55results about How to "Easy to collect and discharge" patented technology

The invention belongs to the technical field of sewage treatment equipment, and in particular relates to a sewage filtering device. The sewage filtering device is composed of a hydraulic rotary filter cylinder system, a back-flushing device, a supporting device and a hydraulic speed regulation device, wherein the hydraulic rotary filter cylinder system is composed of a rotary shaft (7), a sewage inlet tube (9), blades (11), a filter screen (14) and a filter screen frame (25). The sewage filtering device is characterized in that the two ends of the rotary shaft are fixed on a bearing (8), the circular-ring-shaped filter screen frame is arranged on the rotary shaft, a conical-cylinder-shaped filter screen with two opened ends is arranged on the outer surface of the filter screen frame, the diameter of an a end of the filter screen is larger than that of a b end of the filter screen, the blades are uniformly arranged on the inner surface of the filter screen frame at the a end, the sewage inlet tube (9) is arranged in the filter screen frame in a suspending manner, and the opening of the sewage inlet tube (9) is aligned with one of the blades. The sewage filtering device synchronously performs a filter treatment and multi-effect clogging prevention, and rotation and speed regulation are driven by hydraulic power, so that the energy consumption is reduced, the failure rate is low, equipment cost is low, machining is simple and easy to implement, and the operation of the equipment is more stable and reliable.

The invention discloses a vertical type sewage pump. The vertical type sewage pump comprises a pump body and a high-speed motor, wherein a sound insulation cover is arranged at the outer side of the high-speed motor in a covering manner; metal heat absorbing plates are arranged at the two sides of the interior of the sound insulation cover; heat dissipation rods which extend to the exterior of thesound insulation cover are arranged on the metal heat absorbing plates; an output shaft of the high-speed motor is connected to a transmission shaft through a shaft coupling; an impeller is fixed atthe bottom end of the transmission shaft; a water inlet is formed in the bottom end of the outer surface of the pump body; a water outlet is formed in the upper end of the outer surface of the pump body; a filtering net is arranged between the air inlet and the impeller; and vibration motors are arranged on the side walls, located at the two sides of the filtering net, of the pump body, and are connected to the filtering net through a vibration transmission shaft. The vertical type sewage pump is simple in structure and convenient to use, has good sound insulation and noise reduction effects,and can effectively filter out impurities in sewage; and after the vertical type sewage pump is used for a long time, sundries adhered to the filtering net can be shaken off in a vibration manner, andthe removal of impurities on the filtering net is convenient.

The invention discloses a piezoelectric sensor based on a vehicle dynamic weighing array. The piezoelectric sensor comprises a weighing unit, a sensing unit and a remote control unit, wherein the sensing unit comprises a first piezoelectric sensor group, a second piezoelectric sensor group and a transverse pressure sensor group, the weighing unit comprises a foundation pit and a weighing plate, the bottoms of the first piezoelectric sensor group and the second piezoelectric sensor group are fixedly connected with the top of a stabilizing plate, the transverse pressure sensor group comprises afirst pressure sensor positioned on a first mounting plate on the left side of the foundation pit and a second pressure sensor positioned on a first mounting plate on the right side of the foundationpit, the remote control unit receives an electric signal of the first piezoelectric sensor group or the second piezoelectric sensor group as a measurement result value according to a preset first intermediate variable value, and the remote control unit receives an electric signal of the light pressure measuring sensor and / or the heavy pressure measuring sensor as a measurement result value according to a preset second intermediate variable value.

The invention relates to an active carbon adsorption tower. The adsorption tower comprises a tower body and filter assemblies; the bottom of the tower body is mounted on the ground through a bracket,the bottom of the tower body is provided with a slag discharge port, the lower end of the side wall of the tower body is provided with a flue gas inlet, and the upper end of the side wall of the towerbody is provided with a flue gas outlet; each filter assembly comprises an inner-layer filter element and an outer-layer filter cylinder which are separately mounted in the tower body, wherein the inner-layer filter element is of a vertically arranged cylinder structure with an open lower end, and the outer-layer filter cylinder is a cylinder body with an open lower end and sleeves the inner-layer filter element; the side wall of each outer-layer filter cylinder is of a double-layer structure, a filling filter cavity with an open lower end is formed between the side walls of each inner layerand the corresponding outer layer, the upper end of each filling filter cavity is provided with a feeding port, and a switch assembly for opening or closing the corresponding filling filter cavity isarranged at each open lower end; the top of the tower body is provided with holes through which the filter assemblies penetrate. The adsorption tower has the advantages that the structural design is simple and reasonable, the problems can be effectively solved that the adsorption burden of active carbon layers in existing active carbon adsorption towers is large and it is difficult to feed and discharge fillers, and the requirement of flue gas treatment can be met.

The invention provides an integrated method of desulfurization, denitrification and dust removal. The method includes the following steps of bag dust removal, high temperature dust removal, dust blowback, denitrification treatment and desulfurization treatment. The method has the advantages that the integrated method of desulfurization, denitrification and dust removal can filter away particulatematter in flue gas, meets the requirements of the temperature zone required by a desulfurization and denitrification device, catalyst blockage does not occur, and a lot of operation and maintenance costs for operation and maintenance of the enterprise are saved. The upper part of a dust remover is provided with an air bag to blow the particulate matter downward, collection and discharge of the particulate matter are facilitated, and cleaning of a bag filter is achieved.

The invention belongs to the technical field of tea leaf processing equipment, and particularly discloses a tea leaf screening device which comprises a base, a support, a screening bucket, a motor andan ejector rod. The upper portion of the screening bucket is provided with a feed inlet, the upper portion of the support is provided with a discharging hopper, and the discharging hopper is providedwith a discharging outlet right opposite to the feed inlet; multiple layers of screening plates are arranged in the screening bucket from top to bottom, the position, located above each screening plate, of the screening bucket is provided with a discharge outlet, the upper end of an output shaft of the motor is provided with a supporting rod rotationally connected with the output shaft, a pistonhead is arranged on the supporting rod, the piston head is in sliding sealed connection with the inner wall of the screening bucket, the position, located above the piston head, of the screening bucket is provided with a first one-way valve which communicates with the interior of the screening bucket in one way, and the discharge outlet is provided with a second one-way valve which communicates with the exterior o the screening bucket in one way. The tea leaf screening device is mainly used for screening tea leaves, and the problems that size distribution of screened tea leaves is not uniformand the tea leaf separation effect is poor due to the large feeding amount are solved.

The invention discloses a three-dimensional silkworm breeding special device and relates to the technical field of silkworm breeding equipment. The three-dimensional silkworm breeding special device comprises a support and a clean cocoon picking device; the upper end of every layer plate is provided with a breeding device, the inside of every breeding device is provided with a cocooning device, the cocooning device comprises a lower bottom belt and an upper support belt, wherein the support belt is in a continuous V shape; the clean cocoon picking device comprises a slider slidingly matched with a sliding rail; a driving motor is mounted inside a mounting tube, the output end of the driving motor is provided with a reciprocating cylindrical cam; the inside of the mounting tube is slidinglyconnected in a sleeve mode with a driving tube; a support rod is connected in a sleeve mode with a horizontal hairbrush; a brush board is provided with two cocoon picking through slots in a forward-backward direction. The three-dimensional silkworm breeding special device has the advantages of achieving cleaning of breeding grooves and picking cocoons in the cocooning devices, saving support equipment of silkworm breeding, and facilitating and accelerating arrangement of the cocooning devices and subsequent cocoon picking operation.

The invention discloses a centrifugation device for biological extraction. The device comprises a shell, the shell is a cavity structure, a counterweight is arranged at the bottom of the shell, a first cover plate is arranged at the top of the shell, the first cover is fixedly connected with the shell through a hinge, a neck bush is arranged at the inner side of the shell, a guiding sleeve is arranged at the inside bottom of the neck bush, a discharging tube is arranged at one side of the bottom of the guiding sleeve, one end of the discharging tube penetrates through the shell and extends tothe outside of the shell, a control box is arranged at a position, positioned at the inner side of the guiding sleeve, of the inside bottom of the shell, a protection cover is arranged at the top of the control box, a driving motor is arranged at a position, positioned at the inner side of the protection cover, of the top of the control box, a first rotating shaft is arranged at the top of the driving motor, and the top end of the first rotating shaft penetrates through the protection cover and extends to a position above the protection cover. The device greatly improves the production efficiency.

The invention relates to a sewage treatment method adopting an industrial sewage treatment system, which depends on a sewage treatment system. The sewage treatment system comprises a water collection tank, wherein a water inlet pipe is arranged on one side of the water collection tank, and the other side of the water collection tank is connected with the bottom of a vertical sewage treatment device by a pipeline; an ultrasonic probe is arranged in the water collection tank, and is connected with an ultrasonic generator by a connecting component; the vertical sewage treatment device comprises an anaerobic region, an aerobic region and a settling region which are of a combined structure formed by mutual nesting of three sleeves. The sewage treatment method adopting the industrial sewage treatment system has the advantages of low cost, simpleness and effectiveness, high automation degree and suitability for small enterprises.

The invention relates to sand and stone separating equipment. The sand and stone separating equipment comprises a rack, a sand and stone separating tank is arranged on the rack, the sand and stone separating tank is divided into a first separating chamber and a second separating chamber by a vertically-arranged partition plate, an opening is formed in the partition plate, a feed port is formed in the upper end of the first separating chamber, a conveying belt is arranged outside the sand and stone separating tank, one end of the conveying belt is arranged above the feed port, a cross beam which is arranged in an inclined mode is fixed into the sand and stone separating tank, the cross beam penetrates through the opening, a screen plate with filtering holes formed in the surface is placed on the cross beam, the screen plate penetrates through the opening, filtering gaps are formed between one end of the bottom end of the horizontal position of the screen plate and the lateral wall of the second separating chamber, a vibrator is arranged in the first separating chamber, a vibration rod of the vibrator is fixedly connected with the side edge of the screen plate, the axis direction of the vibration rod is the same as the inclination direction of the screen plate, a first discharge port is formed in the lower end of the first separating chamber and a second discharge port is formed in the lower end of the second separating chamber. The sand and stone separating equipment is high in sand and stone separating speed, high in efficiency and suitable for separation of sand and stone which are large in quantity.

The invention discloses a vertical connection structure of a photovoltaic module and a photovoltaic module thereof. The vertical connection structure comprises a corner, which is provided with connecting arms, sawtooth surfaces and stop surfaces; the two connecting arms are vertically connected in an L shape, and each connecting arm is divided into an insertion section and a connection section along the length direction; the sawtooth surfaces are located on the insertion sections; the stop surfaces are located at the boundaries of the insertion sections and the connection sections, and are perpendicular to the length directions of the insertion sections and the connection sections; the insertion sections are in contact connection with the inner cavity of a profile, and the stop surfaces are in contact with the ends of the profile; and the corner guard is provided with a groove having an L-shaped length, the groove is in contact with the inner sides of the connection sections, and whenthe corner guard is assembled with the corner, the cross-sectional contours of the corner guard at the groove and the corner are the same as the cross-sectional contour of the profile. The corner clamps the periphery of the corner guard, the profile clamps the two ends of the corner guard, and the three are fixed tightly, so that the sharpness of the corner of the profile is eliminated, the repairof the profile is avoided and the assembly work of the personnel is reduced.

The invention discloses a purifier. The purifier comprises a first purification shell. A first air inlet, a first air outlet and a first dust outlet are formed in the first purification shell. The first purification shell is used for purifying dusty airflow tangentially entering the first purification shell from the first air inlet, conveying purified airflow to the first air outlet and conveying separated-out dust to the first dust outlet. The purifier has the advantages of being thorough in air purification, simple and reasonable in structure and the like.

The invention provides machining equipment. The machining equipment comprises a worktable, two cutters, two machining tables, two X-axis motors, two drive motors and a work-piece clamping assembly; the work-piece clamping assembly is arranged at one end above the worktable in a centered mode and is connected to the worktable in a sliding mode through a nut and a screw mechanism; the two cutters, the two machining tables, the two X-axis motors and the two drive motors are used in a paired mode and are symmetrically arranged relative to the work-piece clamping assembly; according to the structure on one side, the drive motors drive the cutters to rotate through a belt, the drive motors and the cutters are fixed to the machining tables, and the X-axis motors drive the machining tables to be connected to the worktable in a sliding mode through the nut and the screw mechanism. According to the machining equipment, the symmetrical structure is adopted, the two sides of a work-piece can be machined simultaneously, and therefore the work efficiency is improved; the movement in the X-axis direction and the Y-axis direction can be realized, and therefore the machining range is expanded.

The invention relates to a coating machine, in particular to a coating machine with a replaceable drum. The coating machine with the replaceable drum solves the problem that an existing coating machine can only coat materials with the volume or weight changing within a certain range, and cannot adapt to production when the volume or weight of materials is large in change. Two parallel first guide rails are arranged inside a machine body of the coating machine in the front-back direction, a drum unit is detachably installed in a front door of the machine body, the drum is detachably and rotationally installed on a drum supporting cart, a transmission shaft extending forwards is installed on the rear portion in the machine body and located above the first guide rails, the rear end of the drum is provided with a shaft sleeve extending backwards along the axis of the drum, the shaft sleeve is matched with the transmission shaft, and the distance between the axis of the transmission shaft and the first guide rails corresponds to the distance between the axis of the shaft sleeve and the bottom faces of a plurality of guide wheels. The coating machine is applied to the coating procedure in the pharmaceutical, food and chemical fields.

The invention discloses a split-type modular flat membrane combiner, which comprises flat membrane components, upper collector tubes, lower collector tubes, an outer shell and an overflow plate, wherein the overflow plate is fixedly mounted in the outer shell; the overflow plate divides the outer shell into a water inlet settling chamber and a membrane chamber; a group of the flat membrane components are mounted in the membrane chamber; water outlets at the upper ends of the flat membrane components are all connected with the upper collector tubes; the upper collector tubes are connected withan upper water production port on the outer shell; water outlets at the lower ends of the flat membrane components are all connected with the lower collector tubes; the lower collector tubes are connected with a lower water production port on the outer shell; a water inlet and a water feeding and mud discharging port are formed below the water inlet settling chamber; and a membrane chamber mud discharging port is formed in the bottom of the membrane chamber. The split-type modular flat membrane combiner is used as a miniaturized filtering unit, can be used independently after being piped, canbe externally arranged on a pool body, is convenient for rapid layout, is more convenient to use, has small energy consumption and low cost, and is convenient for popularization and application.

The invention discloses a super large vertical continuous anaerobic fermentation tank which comprises a tank body, a raw material inlet pipe, a pressure protection device, stirring devices, a heat preservation water pipe, a biogas discharge pipe, a biogas residue discharge pipe and a support. The tank body is a sealed steel structure tank comprising a vertical cone top, a circular hollow shell body and a cone bottom. The tank body is divided into four independent feeding and production areas by the four stirring devices, biogas is discharged out by the biogas discharge pipe arranged overhead,biogas residue is discharged out by the biogas residue discharge pipe arranged on the bottom, the tank body is integrally arranged on the ground, and can be thermally insulated by warm water. The beneficial effects are that the amount of raw materials processed per unit time can be increased, intensive production is facilitated, the equipment efficiency can be improved, the continuous and stable production of the biogas can be achieved, and the super large vertical continuous anaerobic fermentation tank can be applied to projects for large scale production of the biogas from biomass.

The invention discloses a mixed reaction tank which comprises a tank body and a stirring device, the lower parts of the front side of the tank body is provided with a water inlet pipe, the lower part of the tank body is provided with a medicament feeding pipe at the left side of the water inlet pipe, a 90 degree angle is between the water inlet pipe and the medicament feeding pipe, the right side surface of the upper part of the tank body is provided with a water outlet pipe, the inner wall of the tank body is provided with an overflow groove at the position of the water outlet pipe, and the bottom of the tank body is provided with a sludge discharge pipe. The mixed reaction tank adopts a motor to drive a three bladed propeller to stir so as to ensure full, uniform and quick mixing of a flocculant and sewage; and the overflow groove is arranged at the position of the water outlet pipe to prevent an unevenly-mixed fluid from flowing out; in addition, the bottom of the tank body is designed into a bucket shape to facilitate collection and discharge of sludge.

The invention relates to the technical field of building roofs, in particular to a construction process of a building ecological roof system. The construction process comprises the following steps of 1, 2, 3, 4 and 5. A keel is arranged at the top of a building body, the keel is in threaded connection with a supporting column, a connecting beam and a supporting column connecting beam are connected at the top of the supporting column through cooperation of a threaded column and a threaded cylinder, the connecting beam and a protective wall are fixed through a connecting plate, and therefore the connecting beam can be rapidly and stably installed; and rainwater can be conveniently collected and discharged by arranging a water collecting groove, a sliding groove in the water collecting groove and a sliding groove in the connecting beam are connected with a connecting shaft through a rolling wheel and a connecting rod, so that when a sun shield is moved, the sun shield can be driven to move and fold when a hinge shaft moves, people can conveniently adjust the sun shield to expose and shield the top of the building body according to different seasons, and the energy consumption of the roof can be reduced through the sun shield.

The invention discloses a conveniently loading and unloading cutting device for latex mattress processing. The device comprises side plates, a bottom plate, supporting legs, a top plate, lifting cutting cylinders, a rectangular ring cutter, a cutter holder, a mounting sleeve, a through hole, a cutting edge, front-back driving mechanisms, a shell, a servo motor, a threaded rod, a fixing seat, nuts,a rotary driving cylinder, a connecting plate, a flat plate, bearing battens, balls, infrared correlation sensors, guide inclined plates, bearing blocks, bearing plates, handles, magnets, concave holes, a rotating shaft, electric push rods, insertion blocks, slots, electric push rods and strip-type straight slots. The two flat plates can be used for containing materials. When the materials on oneflat plate are cut, the materials on the other flat plate can be loaded and unloaded manually. The cutting machining of the whole device is not affected in an operation process without halt to wait,so that the machining efficiency is improved. The infrared correlation sensors can detect whether the materials exist or not and further detect the thickness of the materials, so that cutting is controlled.

The invention discloses an independently disassembled and assembled decorative curtain wall and a component assembly thereof. A building outer wall, a water collecting device and the decorative curtain wall are included, a plurality of groove holes are formed in the building outer wall, the water collecting device is assembled in the groove holes formed in the building outer wall, and the decorative curtain wall is divided into two structures including a mounting assembly and a curtain wall assembly; and the mounting assembly comprises a mounting plate, a fixing plate mounted at the inner side of the mounting plate and a circulating device fixedly arranged at the inner side of the fixing plate. According to the independently disassembled and assembled decorative curtain wall and the component assembly thereof, through the arrangement of the mounting assembly, the influence of external sunlight on the indoor space is reduced through the isolation of the characteristic of larger specific heat capacity of water and the blocking of plants in the water, the harm of light pollution to cities is reduced, the environment is beautified, and a further environment-friendly effect is formed; and a closed cavity is formed by a mounting frame, a limiting strip, a top plate and a clamping plate, and water flow in a fixing cylinder and a first connecting pipe is guided into the closed cavity by arranging a second connecting pipe.

The invention discloses a horizontal filter separator for a gas transmission field. The horizontal filter separator comprises a cavity, a filter element, a blind plate, an upstream flow guide plate and a downstream flow guide plate, one end of the cavity is sealed by the blind plate, a gas outlet is formed in the other end of the cavity, and the upstream flow guide plate and the downstream flow guide plate are sequentially arranged in the cavity from the blind plate end to the gas outlet end; a cavity between the blind plate and the downstream flow guide plate is a filter cavity, the filter element is arranged in the filter cavity, a gas inlet is formed in the top of the filter cavity, a first filter cavity drain outlet, a second filter cavity drain outlet and a third filter cavity drain outlet are formed in the bottom of the filter cavity, and the first filter cavity drain outlet is located below the upstream flow guide plate, the second filter cavity drain outlet is positioned in themiddle of the bottom surface of the filter cavity, and the third filter cavity drain outlet is positioned in the filter cavity close to the downstream flow guide plate. According to the horizontal filter separator for the gas transmission field, dust from the blind plate to the upstream flow guide plate can be discharged, the influence of dust accumulation on the filter element can be reduced, the filter efficiency of the filter element is improved, and the service life of the filter element is prolonged.

The invention relates to a semiconductor refrigeration device. The semiconductor refrigeration device comprises a box body; a flow guide component is arranged in box body; at least one set of semiconductor thermopile is arranged in the flow guide component; an outer air inlet is formed in the upper side of the left end of the box body; an outer air outlet is formed in the lower side of the left end of the box body; an inner air inlet is formed in the upper side of the right end of the box body; an inner air outlet is formed in the lower side of the right end of the box body; the outer air inlet is communicated with the outer air outlet through the flow guide component, so that an outer circulation air duct can be formed; the inner air inlet is communicated with the inner air outlet throughthe flow guide component, so that an inner circulation air duct can be formed; the semiconductor thermopile comprises heat absorption areas and heat release areas which are distributed alternately; the outer circulation air duct passes through the heat release areas; and the inner circulation air duct passes through the heat absorption areas. According to the semiconductor refrigeration device ofthe invention, the outer circulation air duct and the inner circulation air duct are adopted; the semiconductor thermopile is provided with the heat absorption areas and the heat release areas whichare distributed alternately; the outer circulation air duct passes through the heat release areas; the inner circulation air duct passes through the heat absorption areas; and therefore, the cold endand hot end of the semiconductor thermopile do not exchange heat, the loss of cooling capacity is avoided, and refrigerating efficiency is good.

The invention discloses a gas-liquid separator for gas treatment, which comprises a main air inlet pipe, a ring pipe, an air inlet branch pipe, a cyclone, a cooling water tank, a circulating water pump, and a water storage pool. Several air inlet branch pipes are arranged on the upper side of the cyclone ;Several groups of intake branch pipes are connected through ring pipes, and one side of the ring pipes is provided with an intake main pipe; a liquid collecting bucket is provided on the lower side of the cyclone; There is a water inlet pipe on the lower side of the water tank. One end of the water inlet pipe is connected tangentially to the cooling water tank, and the water inlet direction is opposite to the direction of the cyclone. The other end is connected to the circulating water pump. There is a water outlet pipe on the upper side of the cooling water tank. The water tank is connected tangentially, and the other end is inserted into the interior of the water storage tank. In the present invention, a plurality of groups of tangential intake branch pipes are arranged on the cyclone to divide the flow and remove liquid, and a cooling water tank is arranged on the outer wall of the cyclone, and the water inlet direction is opposite to the direction of the cyclone, which enhances the condensation effect of the liquid droplets and thereby enhances the cooling effect of the cyclone. Gas-liquid separation effect.

The invention provides a high-precision high-hardness low-cost crankshaft machining process, and relates to the technical field of crankshaft machining. According to the technical scheme, the method comprises the following steps that (1) a crankshaft blank is forged; (2) fine turning and rough turning are carried out on the crankshaft blank; (3) a crankshaft is polished through a grinding wheel; (4) the crankshaft is straightened; and (5) heat treatment is carried out on a connecting rod journal of the crankshaft through a quenching device. The high-precision high-hardness low-cost crankshaftmachining process is very convenient to master and can avoid the damage to the crankshaft.

The invention discloses a three-dimensional silkworm breeding special device, which relates to the technical field of silkworm breeding equipment. It includes a bracket and a cleaning cocoon-picking device; a culture device is installed on the upper end of each laminate; a cocoon-making device is arranged in each culture device; the cocoon-making device includes a lower bottom belt and an upper support belt; The support belt is in the shape of a continuous V; the cocoon cleaning device includes a sliding block slidingly matched with the slide rail; a drive motor is installed in the installation tube; a reciprocating cylindrical cam is installed at the output end of the drive motor; tube; a horizontal brush is sleeved on the support rod; two cocoon-picking slots in front and rear directions are opened on the brush plate. The beneficial effects of the present invention are: the cleaning cocoon removal device can realize the cleaning of the breeding tank, and can also be used to remove the silkworm cocoons in the cocooning device, reducing the supporting equipment for silkworm breeding, the laying of the cocooning device and the cocoon removal operation in the later stage Faster.

The present invention relates to a processing unit suitable for scattered type rural sewage, and belongs to the field of environmental protection. The processing unit includes an anaerobic area, an aerobic area and a precipitation area; the three areas are in a combination structure formed by mutual nesting of three sleeves, the precipitation area, the aerobic area and the anaerobic area are arranged in turn from outside in, a three-phase separator is arranged on the top of the aerobic area and the anaerobic area, an exhaust pipe is arranged on the three-phase separator; an aeration device is arranged on the lower part of the aerobic area, the aerobic area and the precipitation area bottoms are communicated; the top of the precipitation area is provided with a ring water gathering area, the ring water gathering area is provided with water quality testing equipment, and the precipitation area bottom is a sludge gathering area. The processing unit has the advantages of being low in cost, simple and effective, high in degree of automation, and suitable for small enterprise to use.

The invention relates to the technical field of air handling unit equipment, in particular to a flat water pan. The water pan comprises an upper plate and a lower plate. Side plates are arranged on the peripheries of the upper plate and the lower plate. A rock wool insulating plate is arranged in a cavity defined by the upper plate, the lower plate and the side plates. The included angle ranging from 2 degrees to 5 degrees is formed by the plate face of the upper plate and the horizontal plane. The lower side of the upper plate is connected with a condensation water pipe downwards inclining. The water pan is simple in structure, and condensation water is rapidly gathered and discharged easily.