Micro-filter with backwashing function

Abstract

The utility model discloses a micro-filter with a backwashing function, which comprises a micro-filter assembly, a frame, a micro-filter cartridge arranged in the frame, a washing pipe arranged in the frame and a backwashing spray head communicated with the washing pipe, the fixing rings are arranged on the outer sides of the two ends of the microfiltration cylinder in a sleeving manner, and clamping plates are arranged in the fixing rings; the blocking assembly comprises a blocking plate matched with the outer surface of the microfiltration cylinder; when the micro-filtration cylinder 12 with a certain gradient is washed by water flow, unpowered centrifugal rolling can be realized, the effect of centrifugally rolling and filtering impurities in the filtered water flow is achieved, a cooling design for reducing the damage of high-temperature water to a filter material of the filter cylinder is arranged on the micro-filtration machine, and a barrier plate can temporarily block heated washing water sprayed by a back-washing spray head, so that the water-saving effect is achieved. The micro-filtration cylinder can be prevented from being continuously washed by heated water, the cooling fan conveys cooling gas, the cooling gas sprayed out of the cooling gas nozzle can cool the micro-filtration cylinder and the blocking plate on the micro-filtration cylinder, and the cooling effect of the micro-filtration cylinder is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of sewage filtering treatment equipment of microfilter, specifically relates to a microfilter with backflushing. BACKGROUND

[0002] There are various types of sewage screen filter equipment, and the microfilter is one kind of high-efficiency sewage screen filter for intercepting small suspended solids, the authorized patent document with the application number CN202221364782.3 discloses an automatic backflushing inner water inlet microfilter, the microfilter with the backflushing function is a conventional water treatment filter equipment, and the working principle of the microfilter is that wastewater enters the microfilter drum in the axial direction, then flows out in the radial radiation mode through the screen, in the process, impurities (such as small suspended solids, fibers, paper pulp and the like) in the water are intercepted on the inner surface of the filter screen of the microfilter drum, and when the impurities are brought to the upper part of the microfilter by the rotary drum, they are backflushed to the slag discharge groove by the pressure washing water and flow out.

[0003] When the microfilter filters impurities in sewage, oil stains and impurities adhere to the filter cartridge and are not easy to be washed away, generally, the oil stains and impurities on the surface of the filter cartridge are washed away by heating high-temperature water, but the high-temperature water is easy to cause damage to the filter material of the filter cartridge, and the temperature heat on the surface of the filter cartridge is reduced relatively slowly by the natural cooling method.

[0004] The existing microfilter has no cooling design for reducing damage of high-temperature water to the filter material of the filter cartridge when the high-temperature water is used to wash the oil stains and impurities on the surface of the filter cartridge, and therefore the microfilter with backflushing is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a microfilter with backflushing to solve the problem of no cooling design for reducing damage of high-temperature water to the filter material of the filter cartridge in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a microfilter with backflushing, comprising

[0007] The microfilter assembly comprises a frame, a microfilter cartridge installed in the interior of the frame, a washing pipe installed in the frame, and a backflushing nozzle connected with the washing pipe.

[0008] The fixed ring is sleeved on the outer side of both ends of the microfilter cartridge, and the inner part of the fixed ring is provided with a clamping plate.

[0009] The blocking assembly comprises a blocking plate matched with the outer surface of the microfilter cartridge and a connecting plate penetrating through the blocking plate and connected with the fixed ring at both ends.

[0010] Cooling assembly, including fixed box installed on the frame, cooling fan installed in the fixed box, with the cooling fan access to the centralized cover, with the centralized cover access to the shunt pipe installed in the frame inside wall, with the shunt pipe access to the cooling jet nozzle.

[0011] Preferably, the blocking plate is a right triangle of the three-dimensional strip structure, and the slope of the blocking plate is a curved shape.

[0012] Preferably, the slope of the blocking plate is provided with a through hole.

[0013] Preferably, the fixed ring is provided with a mounting groove c, the clamping plate is located inside the mounting groove c, and the end of the connecting plate is embedded in the mounting groove c.

[0014] Preferably, the cross section of the connecting plate at both ends is an isosceles trapezoidal shape, the two ends of the connecting plate are consistent with the curved surface of the micro filter cartridge, and the micro filter cartridge is a tapered shape with a certain slope, and the slope between the two ends of the micro filter cartridge is H.

[0015] Preferably, the clamping plate is a "L" shaped bending shape, and the end of the clamping plate away from the fixed ring is consistent with the waist surface d of the connecting plate.

[0016] Preferably, the centralized cover is a funnel shape with one end wide and one end narrow, the cooling jet nozzle is in an inclined state at an angle of 45 degrees with the surface of the shunt pipe, and the shunt pipe is a square rod structure with a hollow inside.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] In the utility model, the micro filter cartridge 12 with a certain slope can realize unpowered centrifugal tumbling when the water flow is washed, the effect that the impurities in the water flow are centrifugally tumbled and filtered out is achieved, the cooling design of the micro filter machine reduces the damage of high-temperature water to the filter material of the filter cartridge, the blocking plate can temporarily block the heated washing water sprayed by the backwashing nozzle, the micro filter cartridge can be prevented from being continuously washed by the heated water, the cooling fan delivers cooling gas, the cooling gas sprayed by the cooling jet nozzle can cool the micro filter cartridge and the blocking plate thereon, and the cooling effect of the micro filter cartridge is accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a sectional view of the frame of the utility model;

[0021] Figure 3 It is a sectional view of the frame of the utility model; Figure 2 It is an enlarged structural schematic view of A part;

[0022] Figure 4The sectional view structural schematic diagram of the fixed ring of the utility model is shown in the figure.

[0023] Figure 5 The sectional view structural schematic diagram of the fixed ring of the utility model is shown in the figure. Figure 4 The sectional view structural schematic diagram of the fixed ring of the utility model is shown in the figure.

[0024] Figure 6 The sectional view structural schematic diagram of the fixed ring of the utility model is shown in the figure.

[0025] In the figure: 2, fixed ring; 11, frame; 12, micro filter cartridge; 13, flushing pipe; 14, backwashing nozzle; 21, clamping plate; 31, connecting plate; 32, blocking plate; 41, fixed box; 42, cooling fan; 43, concentrating cover; 44, shunt pipe; 45, cooling air jet; 321, through hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] EMBODIMENT

[0028] Please refer to Figures 1 to 6The utility model provides a technical scheme: a kind of microfilter with backflushing, including microfilter assembly, including frame 11, the microfilter cartridge 12 of being installed in frame 11 inside, flush pipe 13 being installed in frame 11, backflushing nozzle 14 being connected with flush pipe 13, sewage enters the inside of microfilter cartridge 12, microfilter cartridge 12 rotates after filtering the impurity of sewage, after the cleaning water of external heating enters flush pipe 13 and is sprayed from backflushing nozzle 14, reach the effect of backflushing oil dirt impurities adhered to the surface of microfilter cartridge 12, the principle that microfilter carries out filtration is conventional technical means, the present application is not described in detail;Fixed ring 2 is sleeved in the outside of both ends of microfilter cartridge 12, the inside of this fixed ring 2 is equipped with clamping plate 21, fixed ring 2 is connected with microfilter cartridge 12 by screwing, clamping plate 21 is connected with fixed ring 2 by welding, when connecting plate 31 and baffle 32 are installed in microfilter cartridge 12, baffle 32 is consistent with the surface of microfilter cartridge 12, the end of connecting plate 31 is inserted into the inside of fixed ring 2, clamping plate 21 clamps connecting plate 31, also can be further reinforced connecting plate 31 and fixed ring 2 by the method of conventional screwing connection;Baffle assembly, including baffle 32 being consistent with the outer surface of microfilter cartridge 12, connecting plate 31 being penetrated baffle 32 and being connected with fixed ring 2 at both ends, connecting plate 31 is connected with baffle 32 by screwing, baffle 32 is supported by high thermal conductivity metal material, such as copper material, when backflushing nozzle 14 sprays heated flush water, baffle 32 can temporarily block heated flush water, can avoid that microfilter cartridge 12 is continuously washed by heated water, in addition, baffle 32 can reflect flush water, can pass through the filter hole on microfilter cartridge 12, and the inner surface is backflushed to a certain extent, in addition, under the principle of heat conduction, the effect that heat on microfilter cartridge 12 is conducted to baffle 32 is reached;Cooling assembly, including fixed box 41 being installed on frame 11, cooling fan 42 being installed in fixed box 41, centralized cover 43 being connected with cooling fan 42, shunt pipe 44 being installed on the inner wall of frame 11 and being connected with centralized cover 43, cooling jet nozzle 45 being connected with shunt pipe 44, fixed box 41 is connected with frame 11 and cooling fan 42 by screwing, centralized cover 43 is connected with shunt pipe 44 and cooling fan 42 by screwing, cooling fan 42 operates, cooling fan 42 discharges cooling gas, cooling enters centralized cover 43, then enters shunt pipe 44 and is sprayed from cooling jet nozzle 45, can heat dissipation cooling microfilter cartridge 12 and baffle 32 on it, accelerate the heat dissipation cooling effect of microfilter cartridge 12.

[0029] In the embodiment, baffle 32 is the strip structure of right triangle three-dimensional, the slope of baffle 32 is curved shape, the slope of baffle 32 is equipped with through-hole 321, baffle 32 can pass through flush water, flush water passes through through-hole 321 and then passes through the filter hole on microfilter cartridge 12, and the inner surface is backflushed to a certain extent.

[0030] In the embodiment, the fixing ring 2 is provided with a mounting groove c, the clamping plate 21 is located inside the mounting groove c, the end of the connecting plate 31 is embedded in the mounting groove c, the positioning and installation of the clamping plate 21 are facilitated, the cross section of the two ends of the connecting plate 31 is isosceles trapezoidal, the two end portions of the connecting plate 31 are consistent with the curved surface of the micro filter cartridge 12, the micro filter cartridge 12 is conical with a certain slope, the slope between the two ends of the micro filter cartridge 12 is H, the size of the slope H is within the range of 0 to 6 degrees, the micro filter cartridge 12 can be provided with a suitable slope according to actual requirements, the micro filter cartridge 12 with a certain slope can realize unpowered centrifugal tumbling when being washed by water flow, and the effect that impurities in the water flow are centrifugally tumbled and filtered out is achieved, the connecting plate 31 comprises a circular rod portion at the center position and trapezoidal portions at the two end portions, the trapezoidal portions are inserted into the mounting groove c, and the circular rod portion penetrates one end of the blocking plate 32, the clamping plate 21 is in the shape of an L-shaped bend, the end of the clamping plate 21 away from the fixing ring 2 is consistent with the waist surface d of the connecting plate 31, and the clamping plate 21 clamps the trapezoidal portions at the two ends of the connecting plate 31.

[0031] In the embodiment, the concentrating cover 43 is funnel-shaped with one end wide and the other end narrow, the cooling jet nozzle 45 is in an inclined state at an angle of 45 degrees with the surface of the shunt pipe 44, the shunt pipe 44 is a square rod structure with an internal cavity, the cooling jet nozzle 45 is opposite to the micro filter cartridge 12, and the cooling jet nozzle 45 can spray cooling gas on the micro filter cartridge 12 and the blocking plate 32, so that the effect of cooling is achieved.

[0032] The working principle and use process of the utility model are as follows:

[0033] Sewage enters the inside of the micro filter cartridge 12, the micro filter cartridge 12 filters impurities in the sewage after rotating, then the washing water heated outside enters the flushing pipe 13 and is sprayed out from the backwashing nozzle 14, and the effect that oil stains and impurities adhered to the surface of the micro filter cartridge 12 are backwashed is achieved.

[0034] The micro filter cartridge 12 is provided with a suitable slope, and the micro filter cartridge 12 with a certain slope can realize unpowered centrifugal tumbling when being washed by water flow, and the effect that impurities in the water flow are centrifugally tumbled and filtered out is achieved.

[0035] When the connecting plate 31 and the blocking plate 32 are installed on the micro filter cartridge 12, the blocking plate 32 is consistent with the surface of the micro filter cartridge 12, the end of the connecting plate 31 is inserted into the inside of the fixing ring 2, and the clamping plate 21 clamps the connecting plate 31.

[0036] When the backwashing nozzle 14 sprays the heated washing water, the blocking plate 32 can temporarily block the heated washing water, and the micro filter cartridge 12 can be prevented from being continuously washed by the heated water.

[0037] In addition, the blocking plate 32 can reflect the washing water, and can be permeated by the filter hole on the micro filter cartridge 12 to perform a certain degree of back flushing on the inner surface of the micro filter cartridge 12, and in addition, heat on the micro filter cartridge 12 is conducted to the blocking plate 32 under the principle of heat conduction;

[0038] The cooling fan 42 is operated to discharge cooling gas, which enters the collecting cover 43, then enters the shunt pipe 44 and is sprayed from the cooling air nozzle 45 to cool and heat the micro filter cartridge 12 and the blocking plate 32 thereon, and to accelerate the cooling effect of the micro filter cartridge 12;

[0039] In summary, the micro filter machine has a cooling design to reduce the damage of high-temperature water to the filter cartridge filter material, the blocking plate 32 can temporarily block the heated washing water sprayed by the back flushing nozzle 14, and the micro filter cartridge 12 can be prevented from being continuously washed by the heated water, the cooling fan 42 delivers cooling gas, and the cooling gas sprayed from the cooling air nozzle 45 can cool and heat the micro filter cartridge 12 and the blocking plate 32 thereon, and accelerate the cooling effect of the micro filter cartridge 12.

[0040] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A microfilter with backflushing, characterized in that: The utility model provides a microfiltration machine unit, which comprises a frame (11), a microfiltration cartridge (12) installed inside the frame (11), a flushing pipe (13) installed in the frame (11), and backflushing nozzles (14) connected with the flushing pipe (13). A fixed ring (2) is sleeved outside both ends of the microfiltration cartridge (12), and the inside of the fixed ring (2) is provided with a clamping plate (21). A blocking assembly comprises a blocking plate (32) matched with the outer surface of the microfiltration cartridge (12) and a connecting plate (31) penetrating through the blocking plate (32) and connected with the fixed ring (2) at both ends. A cooling assembly comprises a fixed box (41) installed on the frame (11), a cooling fan (42) installed in the fixed box (41), a concentrating cover (43) connected with the cooling fan (42), a shunt pipe (44) installed on the inner side wall of the frame (11) and connected with the concentrating cover (43), and a cooling air jet nozzle (45) connected with the shunt pipe (44). The blocking plate (32) is a straight triangular three-dimensional strip structure, and the inclined surface of the blocking plate (32) is curved.

2. A microfilter with backflush according to claim 1, characterized in that: The inclined surface of the blocking plate (32) is provided with a through hole (321).

3. A microfilter with backflush according to claim 1, characterized in that: The fixed ring (2) is provided with a mounting groove c, the clamping plate (21) is located inside the mounting groove c, and the end portion of the connecting plate (31) is embedded in the mounting groove c.

4. A microfilter with backflush according to claim 1, characterized in that: The cross section of the connecting plate (31) at both ends is isosceles trapezoidal, the two end portions of the connecting plate (31) are matched with the curved surface of the microfiltration cartridge (12), the microfiltration cartridge (12) is a conical structure with a certain slope, and the slope between both ends of the microfiltration cartridge (12) is H.

5. A microfilter with backflush according to claim 1, characterized in that: The clamping plate (21) is a "L"-shaped bending structure, and the end, away from the fixed ring (2), of the clamping plate (21) is matched with the waist surface d of the connecting plate (31).

6. A microfilter with backflush according to claim 1, characterized in that: The concentrating cover (43) is a funnel-shaped structure with one wide end and one narrow end, the cooling air jet nozzle (45) is in an inclined state at an angle of 45 degrees with the surface of the shunt pipe (44), and the shunt pipe (44) is a square rod structure with a hollow interior.

7. A microfilter with backflush according to claim 1, characterized in that: ​

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