Double-layer interception microfiltration machine

Abstract

The utility model discloses a double-layer interception microstrainer, which belongs to the technical field of aquaculture and comprises a gantry support placed in a water tank, a filtering structure and a cleaning structure are arranged on the gantry support, the filtering structure is used for coarsely filtering impurities in the water tank, the cleaning structure is used for cleaning the filtering structure, and the cleaning structure is arranged above a filter screen. The cleaning structure comprises a mud scraping plate, a spray head and a brush, and a mud collecting groove corresponding to the spray head is formed in the filter screen. The sludge cleaning device has the advantages that sludge and particle impurities attached to the filter screen are brushed through mutual matching of the sludge scraping plate, the spray head and the brush, the filtering effect of the filter screen is kept, the problem that the filter screen is blocked due to incomplete cleaning is avoided, the sludge scraping plate is obliquely arranged at a certain angle, and the sludge scraping plate is convenient to clean. Sludge and particle impurities on the filter screen can be guided to flow to the sludge collecting tank, and the sludge and the particle impurities can be prevented from being accumulated on the filter screen.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the aquaculture technical field more specifically relates to a double -deck intercepts microfiltration machine. BACKGROUND

[0002] In the field of aquaculture, microfiltration machine is more used on the first filtration of raw water, to filter out the large particle silt, suspended algae, particles in water. Or used in the first stage of rough filtration of closed circulation purification. The traditional microfiltration machine structure has a drum -like metal frame, the rotary drum rotates around the horizontal shaft, and the support net and the working net woven by stainless steel wire are attached to it. The filtering effect of this microfiltration machine is poor.

[0003] The national utility model patent with patent No. 201621021206.3 discloses a microfiltration machine, which comprises a support, a motor and a pair of transmission rollers are arranged on the support, a filter screen is sleeved on the pair of transmission rollers, the pair of transmission rollers and the filter screen form a filtering area, a plurality of flow increasing pumps are arranged at the front end of the filtering area, a dirt suction device capable of sucking dirt and impurities on the filter screen is arranged above the filtering area, a filter screen backwashing device is arranged between the pair of transmission rollers, and a support for supporting the filter screen is arranged between the pair of transmission rollers. The above problems are well solved, but the filter screen is prone to incomplete cleaning and blockage during the cleaning process, and the filter screen is prone to slipping during the transmission process. UTILITY MODEL CONTENTS

[0004] To solve the above problems, overcome the deficiencies of the prior art, the utility model provides a double -deck intercepts microfiltration machine;

[0005] The first technical problem solved is that the filter screen is prone to blockage due to incomplete cleaning, which affects the overall filtering effect of the filter screen.

[0006] The second technical problem solved is that the filter screen is prone to slipping during the transmission process.

[0007] The specific technical scheme for solving the above technical problems is that the double -deck intercepts microfiltration machine comprises a gantry support placed in a water tank, a filter structure for rough filtering impurities in the water tank is arranged on the gantry support, and a cleaning structure for cleaning the filter structure is arranged on the gantry support, the filter structure comprises a filter screen and at least two transmission rollers, the filter screen is sleeved between the transmission rollers, and any one transmission roller is connected with a driving structure.

[0008] The cleaning structure is arranged above the filter screen, and comprises a spray support fixedly arranged at both ends of a portal support, a plurality of spray heads arranged on the spray support, and a water tank connected to the spray heads through a water pipe.

[0009] Further, the mud scraping plate is arranged at an angle with respect to the longitudinal axis of the filter screen.

[0010] Further, the transmission roller is provided with three rollers, i.e., a driving roller connected to the driving structure, a steering roller for changing the direction of the filter screen, and a driven roller arranged inside the water tank, and the filter screen is sleeved on the driving roller, the steering roller and the driven roller.

[0011] Further, the transmission roller is made of rubber.

[0012] Further, the surface of the transmission roller is provided with anti-skid lines.

[0013] Further, the driving structure comprises a speed reducer, a driving chain, a driving sprocket and a driven sprocket, the speed reducer is fixedly arranged on the portal support, the driving end of the speed reducer is connected to the driving sprocket through a key, the driving sprocket is in transmission connection with the driven sprocket through the driving chain, and the driven sprocket is in key connection with the transmission roller.

[0014] The utility model discloses the beneficial effect is:

[0015] One advantage of the utility model lies in that the filter structure and the cleaning structure are arranged, the transmission roller drives the filter screen to circulate between the transmission rollers through friction, the particles in the water tank are intercepted and filtered, compared with the filter cartridge type microfilter, the contact area of the filter screen with the sewage is larger in this structure, and the particles in the sewage can be directly deposited on the filter screen when advancing along the water flow, and the filtering efficiency can be improved.

[0016] One advantage of the utility model lies in that the cleaning structure is arranged above the filter screen, the mud and the particles adhered to the filter screen are brushed and washed through the cooperation of the mud scraping plate, the spray head and the brush, the filtering effect of the filter screen is maintained, the problem of filter screen blockage due to incomplete cleaning is avoided, compared with the prior art, the spray head is arranged above the filter screen in the device, the filter screen is sprayed and washed, a suction head is not needed, energy consumption can be saved, and the spray head is not blocked.

[0017] One advantage of the utility model lies in that the mud scraping plate is arranged at an angle, the mud and the particles on the filter screen can flow to the mud collecting groove, and the mud and the particles can be prevented from accumulating on the filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0018] BRIEF DESCRIPTION OF DRAWINGS Figure 1 is the structural schematic diagram of the utility model;

[0019] BRIEF DESCRIPTION OF DRAWINGS Figure 2 is the three-dimensional section schematic diagram of the filtering structure of the utility model;

[0020] BRIEF DESCRIPTION OF DRAWINGS Figure 3 is the three-dimensional section partial schematic diagram of the cleaning structure of the utility model;

[0021] BRIEF DESCRIPTION OF DRAWINGS Figure 4 is the driving structure schematic diagram of the utility model; in the drawings:

[0022] 1.filtering structure;11.filtering screen;12.transmission roller;121.driven roller;122.deflection roller;123.driven roller;124.tensioning roller;2.gantry;3.cleaning structure;31.shower support;311.shower head;32.water tank;33.mud scraping plate;34.brush;4.driving structure;41.speed reducer motor;42.driving chain;43.driving sprocket;44.driven sprocket;5.mud collecting groove. DETAILED DESCRIPTION

[0023] In the description of the utility model, it is understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] The specific embodiment of the utility model: the double-layer intercepting microfilter machine, including the gantry 2 placed in the water tank, the gantry 2 is provided with the filtering structure 1 for rough filtering the particulate impurities in the water tank, and the cleaning structure 3 for cleaning the filtering structure 1;

[0025] As an improvement point of the utility model:

[0026] The filter structure 1 comprises a filter screen 11 and at least two transmission rollers 12, which are rotationally connected with the gantry support 2 on both sides; the filter screen 11 is sleeved between the transmission rollers 12, and any one transmission roller 12 is connected with a driving structure 4; the driving structure 4 comprises a speed reducer motor 41, a driving chain 42, a driving sprocket 43 and a driven sprocket 44; the speed reducer motor 41 is fixedly arranged on the gantry support 2; the driving end of the speed reducer motor 41 is key-connected with the driving sprocket 43; the driving sprocket 43 is drivingly connected with the driven sprocket 44 through the driving chain 42; and the driven sprocket 44 is key-connected with the transmission roller 12.

[0027] As preferred, the transmission roller 12 is provided with three, which are a driving roller 121 connected with the driving structure 4, a steering roller 122 for changing the direction of the filter screen 11, and a driven roller 123 arranged inside the water tank; the filter screen 11 is sleeved on the driving roller 121, the steering roller 122 and the driven roller 123; and a tensioning roller 124 for adjusting the tension of the filter screen 11 is arranged below the filter screen 11.

[0028] As preferred, the transmission roller 12 is made of nitrile rubber material, which has good wear resistance and high friction coefficient, can effectively increase the friction between the filter screen 11 and the transmission roller 12, and reduce the slipping phenomenon. The surface of the transmission roller 12 is provided with anti-skid lines, such as diamond lines, horizontal lines or vertical lines, etc. These lines can damage the smooth contact surface formed between the roller and the filter screen 11, increase the friction between them, improve the stability of transmission, and thus avoid the slipping of the filter screen 11 during transmission.

[0029] As preferred, the cleaning structure 3 is arranged above the filter screen 11; the cleaning structure 3 comprises a spraying support 31, which is vertically arranged above the filter screen 11; the two ends of the spraying support 31 are fixedly arranged on the gantry support 2; a plurality of spray heads 311 are arranged on the spraying support 31; the spray heads 311 are connected with a water tank 32 through a water pipe; a water pump is arranged in the water tank 32 to provide a spraying pressure for the spray heads 311; the water outlet of the water pump is communicated with the water pipe; the water pump can extract the liquid in the water tank 32 and increase the pressure and flow rate thereof, so that the liquid can be sprayed out of the spray heads with sufficient energy to flush the sludge attached to the filter screen 11 through the spraying effect of the spray heads 311.

[0030] The sludge collecting tank 5 is detachably arranged on the gantry support 2 by bolts, and the sludge collecting tank 5 is cleaned by being regularly detached.

[0031] The sludge collecting tank 5 is detachably arranged on the gantry support 2 by bolts, and the sludge collecting tank 5 is cleaned by being regularly detached.

[0032] The sludge collecting tank 5 is detachably arranged on the gantry support 2 by bolts, and the sludge collecting tank 5 is cleaned by being regularly detached.

[0033] It should be noted that the utility model is a double-layer intercepting micro filter, and when working,

[0034] The device is placed in a breeding pool and comprises a filtering system formed by a driving roller 121, a deflection roller 122, a driven roller 123, a tensioning roller 124 and a filter screen 11. The driving roller 121, the deflection roller 122 and the driven roller 123 are circularly driven by friction. The tensioning roller 124 is arranged below the filter screen 11 and is used for adjusting the tension of the filter screen 11 to ensure stable operation.

[0035] The driven roller 123 is arranged inside the pool, the driving roller 121 and the deflection roller 122 are arranged above the pool, and the interception area is formed between the driven roller 123 and the deflection roller 122; compared with the traditional microfiltration machine, the contact area of the filter screen 11 with sewage is larger in the scheme of the embodiment, and the particulate impurities in the sewage can be directly deposited on the filter screen 11 when advancing along the water flow;

[0036] The cleaning area is formed between the driving roller 121 and the deflection roller 122, the mud scraping plate 33 arranged at the front side of the spray head 311 first pretreats the filter screen 11, so that most of the sludge and particulate impurities are scraped off to the sludge collecting tank 5 when the filter screen 11 enters the front of the spray head 311, and the mud scraping plate 33 is arranged in a certain angle and inclined, which can guide the sludge and particulate impurities on the filter screen 11 to flow to the sludge collecting tank 5, and can avoid the sludge and particulate impurities from piling up on the filter screen 11.

[0037] Secondly, the sludge and particulate impurities attached to the filter screen 11 are washed by high-pressure water, and finally the brush 34 arranged at the rear side of the spray head 311 brushes the residual sludge and particulate impurities on the filter screen 11 again; compared with the existing microfiltration machine, the design can enhance the cleaning effect, maintain the filtering effect of the filter screen 11, and avoid the problem that the filter screen 11 is easily blocked due to incomplete cleaning;

[0038] The sludge washed by the spray and the brush falls to the sludge collecting tank 5 under the action of gravity, so that the sludge is collected, and the sludge collecting tank 5 is cleaned regularly by manual operation.

[0039] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A double-layer interception micro-filter machine, comprising a gantry (2) placed in a water pool, a filter structure (1) for coarsely filtering impurities in the water pool and a cleaning structure (3) for cleaning the filter structure (1) being arranged on the gantry (2), the filter structure (1) comprising a filter screen (11) and at least two transmission rollers (12), the filter screen (11) being sleeved between the transmission rollers (12), and any one transmission roller (12) being connected with a driving structure (4); characterized in that: the cleaning structure (3) is arranged above the filter screen (11), the cleaning structure (3) comprising a spraying bracket (31) fixedly arranged at both ends of the gantry (2), a plurality of spray heads (311) being arranged on the spraying bracket (31), and the spray heads (311) being connected with a water tank (32) through a water pipe; a mud collecting groove (5) corresponding to the spray heads (311) is arranged inside the filter screen (11), a mud scraping plate (33) is arranged at the front side of the spraying bracket (31), and a brush (34) is arranged at the rear side of the spraying bracket (31).

2. A double layer intercepting microfilter machine according to claim 1, characterized in that The mud scraping plate (33) is arranged at an angle with respect to the longitudinal axis of the filter screen (11).

3. A double layer intercepting microfilter machine according to claim 1, characterized in that The transmission roller (12) is provided with three rollers, namely a driving roller (121) connected with the driving structure (4), a steering roller (122) for changing the direction of the filter screen (11), and a driven roller (123) arranged inside the water pool, the filter screen (11) being sleeved on the driving roller (121), the steering roller (122) and the driven roller (123); a tensioning roller (124) for adjusting the tension of the filter screen (11) is arranged below the filter screen (11).

4. A double layer intercepting microfilter machine according to claim 3, characterized in that The transmission roller (12) is made of rubber.

5. A double layer intercepting microfilter machine according to claim 4, characterized in that Anti-slip patterns are arranged on the surface of the transmission roller (12).

6. A double layer intercepting microfilter machine according to claim 1, characterized in that The driving structure (4) comprises a speed reduction motor (41), a driving chain (42), a driving sprocket (43) and a driven sprocket (44), the speed reduction motor (41) being fixedly arranged on the gantry (2), the driving end of the speed reduction motor (41) being key-connected with the driving sprocket (43), the driving sprocket (43) being transmission-connected with the driven sprocket (44) through the driving chain (42), and the driven sprocket (44) being key-connected with the transmission roller (12).

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