阅读说明：本技术 一种具有自清洗功能的环保用废水固液分离装置 (Waste water solid-liquid separation equipment is used to environmental protection with self-cleaning function ) 是由 邵灿辉 于 2019-12-04 设计创作，主要内容包括：本发明公开了一种具有自清洗功能的环保用废水固液分离装置,包括外壳、设置在外壳中的滤筒、设置外壳上用于冲洗滤筒的内腔的内冲洗机构和设置在外壳上用于冲洗滤筒与壳体内壁间的环腔的多个外冲洗机构。本发明的使用过程中污水通过离心分离筒的离心分离作用,使得固体杂质沿着分离筒的内壁滑入到锥形筒的底部,从而减少固定杂质堆积在滤网表面的数量,提高过滤效率、延长滤网的维护间隔时间；通过设置内冲洗机构便于清洗时冲洗滤网的内腔,通过设置多个外冲洗机构,便于清洗时冲洗滤网的外壁和分离筒的内壁。(The invention discloses an environment-friendly wastewater solid-liquid separation device with a self-cleaning function, which comprises a shell, a filter cylinder arranged in the shell, an inner flushing mechanism arranged on the shell and used for flushing an inner cavity of the filter cylinder, and a plurality of outer flushing mechanisms arranged on the shell and used for flushing an annular cavity between the filter cylinder and the inner wall of the shell. In the using process of the invention, the sewage causes solid impurities to slide into the bottom of the conical cylinder along the inner wall of the separating cylinder under the centrifugal separation action of the centrifugal separating cylinder, thereby reducing the quantity of the fixed impurities accumulated on the surface of the filter screen, improving the filtering efficiency and prolonging the maintenance interval time of the filter screen; through setting up the inner chamber that washes the filter screen when washing mechanism is convenient for wash in, through setting up a plurality of outer mechanisms that wash, wash the outer wall of filter screen and the inner wall of separator tube when being convenient for wash.)

1. The utility model provides an environmental protection is with waste water solid-liquid separation equipment with self-cleaning function which characterized in that: the device comprises a shell, a filter cartridge arranged in the shell, an inner flushing mechanism arranged on the shell and used for flushing an inner cavity of the filter cartridge, and a plurality of outer flushing mechanisms arranged on the shell and used for flushing an annular cavity between the filter cartridge and the inner wall of the shell;

the shell comprises a separating cylinder, a cylinder cover and a limiting structure which is arranged between the separating cylinder and the cylinder cover and used for limiting the filter cylinder, wherein one side of the upper part of the separating cylinder is provided with a water inlet pipe tangent to the inner wall of the separating cylinder, the lower part of the separating cylinder is provided with a water outlet pipe communicated with the inner cavity of the filter cylinder, and the lower end of the separating cylinder is provided with a sewage outlet;

the limiting mechanism comprises an upper positioning ring which is arranged at the lower end of the cylinder cover and extends into the inner wall of the filter cylinder and a lower positioning ring which is connected with the lower end of the straight cylinder through a plurality of supporting blocks;

the filter cartridge comprises an inner filter cartridge, an outer filter cartridge and a filter screen arranged between the inner filter cartridge and the outer filter cartridge;

the inner flushing mechanism comprises a water distribution sleeve arranged at the top of the barrel cover, a water distribution shaft rotatably arranged in the water distribution sleeve, a motor arranged at the top of the water distribution sleeve and used for driving the water distribution shaft to rotate, and a detachable inner flushing structure arranged at the lower end of the water distribution shaft;

the outer washing mechanism comprises a water distribution sleeve arranged at the top of the barrel cover, a water distribution shaft rotatably arranged in the water distribution sleeve, a motor arranged at the top of the water distribution sleeve and used for driving the water distribution shaft to rotate, and a detachable outer washing structure arranged at the lower end of the water distribution shaft.

2. The self-cleaning environmental-protection wastewater solid-liquid separation device with the function of self-cleaning according to claim 1, wherein the separation cylinder comprises a straight cylinder, a conical cylinder arranged at the lower end of the straight cylinder and a flange arranged on the outer wall of the upper end of the straight cylinder, and the upper end of the lower positioning ring is provided with a positioning ring groove matched with the outer wall of the filter cylinder.

3. The self-cleaning environmental-friendly wastewater solid-liquid separation device with the function of self-cleaning according to claim 1, wherein a water distribution hole convenient for connecting a water inlet pipe is arranged in the middle of one side of the water distribution sleeve, and a water drainage hole for preventing water from leaking to a motor is arranged in the upper part of the other side of the water distribution sleeve; the inner wall of the water distribution sleeve is provided with a water distribution ring groove communicated with the water distribution hole, the water distribution shaft corresponds to the water distribution ring groove, a water passing hole penetrating through the water distribution shaft is formed in the position of the water distribution ring groove, and the lower end of the water distribution shaft is provided with a connecting hole communicated with the water passing hole and used for connecting the inner flushing structure or the outer flushing structure.

4. The environmental-friendly wastewater solid-liquid separation device with the self-cleaning function according to claim 1, wherein a rolling bearing is arranged between the outer wall of the upper end of the water distribution shaft and the water distribution sleeve, an inner spline hole for facilitating insertion of the output shaft of the motor is arranged at the core part of the top end of the water distribution shaft, and a plurality of sealing ring grooves for preventing sealing rings are arranged on the outer wall of the water distribution shaft.

5. The self-cleaning environmental-protection wastewater solid-liquid separation device of claim 2, wherein a diversion cone is arranged at the lower end of the lower positioning ring.

6. The self-cleaning environmental-friendly wastewater solid-liquid separation device according to claim 1, wherein a first transition ring plate for connecting the water distribution sleeve is provided at the position of the cylinder cover corresponding to the inner flushing mechanism, and a second transition ring plate for connecting the water distribution sleeve is provided at the position of the outer flushing mechanism.

7. The self-cleaning environmental-friendly wastewater solid-liquid separation device with the self-cleaning function according to claim 1, wherein the outer walls of the inner filter cartridge and the outer filter cartridge are provided with a plurality of water passing through holes, the upper end of the water outlet pipe is inserted into the inner cavity of the filter cartridge, and an elastic sealing ring is arranged between the water outlet pipe and the filter cartridge.

8. The self-cleaning environmental-friendly wastewater solid-liquid separation device according to claim 1, wherein the number of the external flushing mechanisms is at least 3, and the external flushing mechanisms are uniformly distributed in an annular array.

9. The self-cleaning environmental-friendly wastewater solid-liquid separation device having the self-cleaning function according to claim 1, wherein the inner flushing structure includes a first branch pipe, a plurality of first branch pipes provided on one side of the first branch pipe, and a shower head provided at an end portion of the first branch pipe, and the outer flushing structure includes a second branch pipe, a plurality of second branch pipes provided on one side of the second branch pipe, and the shower head provided at an end portion of the second branch pipe.

10. The self-cleaning environmental-friendly wastewater solid-liquid separation device according to claim 1, wherein a drain valve is arranged at the drain outlet, and a drain valve is arranged at the water outlet pipe.

Technical Field

The invention relates to the technical field of sewage treatment, in particular to an environment-friendly wastewater solid-liquid separation device with a self-cleaning function.

Background

Along with the development and progress of the industry, more and more industrial wastewater is generated, and the industrial wastewater has a large amount of solid impurities which can hinder the subsequent sewage purification treatment, so that the solid impurities need to be separated from the sewage. Most of the existing separation devices directly filter solid impurities in sewage by using a screen, wherein the solid impurities directly impact the screen, and a large amount of fixed impurities are accumulated on the surface of the screen to influence the filtering efficiency of the screen; regular maintenance of the filter screen is frequent; the filter screen is maintained by manual replacement or cleaning, and the labor intensity of workers is high.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention aims to provide an environment-friendly wastewater solid-liquid separation device with a self-cleaning function, wherein sewage is subjected to the centrifugal separation action of a centrifugal separation cylinder, so that solid impurities slide into the bottom of a conical cylinder along the inner wall of the separation cylinder, the quantity of the fixed impurities accumulated on the surface of a filter screen is reduced, the filtering efficiency is improved, and the maintenance interval time of the filter screen is prolonged; the inner cavity of the filter screen is convenient to wash through the inner washing mechanism, and the outer wall of the filter screen and the inner wall of the separation barrel are convenient to wash through the outer washing mechanisms, so that the labor intensity of workers in maintaining the filter screen is reduced.

(II) technical scheme

In order to achieve the purpose of high practicability, the invention provides the following technical scheme: an environment-friendly wastewater solid-liquid separation device with a self-cleaning function comprises a shell, a filter cartridge arranged in the shell, an inner flushing mechanism arranged on the shell and used for flushing an inner cavity of the filter cartridge, and a plurality of outer flushing mechanisms arranged on the shell and used for flushing an annular cavity between the filter cartridge and the inner wall of the shell;

the shell comprises a separating cylinder, a cylinder cover and a limiting structure which is arranged between the separating cylinder and the cylinder cover and used for limiting the filter cylinder, wherein one side of the upper part of the separating cylinder is provided with a water inlet pipe tangent to the inner wall of the separating cylinder, the lower part of the separating cylinder is provided with a water outlet pipe communicated with the inner cavity of the filter cylinder, and the lower end of the separating cylinder is provided with a sewage outlet;

the limiting mechanism comprises an upper positioning ring which is arranged at the lower end of the cylinder cover and extends into the inner wall of the filter cylinder and a lower positioning ring which is connected with the lower end of the straight cylinder through a plurality of supporting blocks;

the filter cartridge comprises an inner filter cartridge, an outer filter cartridge and a filter screen arranged between the inner filter cartridge and the outer filter cartridge;

the inner flushing mechanism comprises a water distribution sleeve arranged at the top of the barrel cover, a water distribution shaft rotatably arranged in the water distribution sleeve, a motor arranged at the top of the water distribution sleeve and used for driving the water distribution shaft to rotate, and a detachable inner flushing structure arranged at the lower end of the water distribution shaft;

the outer washing mechanism comprises a water distribution sleeve arranged at the top of the barrel cover, a water distribution shaft rotatably arranged in the water distribution sleeve, a motor arranged at the top of the water distribution sleeve and used for driving the water distribution shaft to rotate, and a detachable outer washing structure arranged at the lower end of the water distribution shaft.

Preferably, the separating cylinder comprises a straight cylinder, a conical cylinder and a flange, the straight cylinder is arranged at the lower end of the conical cylinder, the flange is arranged on the outer wall of the upper end of the straight cylinder, and a positioning ring groove matched with the outer wall of the filter cylinder is arranged at the upper end of the lower positioning ring.

Preferably, the middle part of one side of the water distribution sleeve is provided with a water distribution hole which is convenient for connecting a water inlet pipe, and the upper part of the other side of the water distribution sleeve is provided with a water drainage hole which prevents water from leaking to the motor; the inner wall of the water distribution sleeve is provided with a water distribution ring groove communicated with the water distribution hole, the water distribution shaft corresponds to the water distribution ring groove, a water passing hole penetrating through the water distribution shaft is formed in the position of the water distribution ring groove, and the lower end of the water distribution shaft is provided with a connecting hole communicated with the water passing hole and used for connecting the inner flushing structure or the outer flushing structure.

Preferably, the outer wall of the upper end of water distribution shaft with be provided with antifriction bearing between the water distribution cover, the core on the top of water distribution shaft is provided with and is convenient for the output shaft male internal spline hole of motor, the outer wall of water distribution shaft is provided with a plurality of sealed annular grooves that are used for preventing the sealing washer.

Preferably, the lower end of the lower positioning ring is provided with a guide cone.

Preferably, the barrel cover is provided with a first transition annular plate which is convenient for connecting the water distribution sleeve and corresponds to the inner flushing mechanism, and a second transition annular plate which is convenient for connecting the water distribution sleeve and corresponds to the outer flushing mechanism.

Preferably, the outer walls of the inner filter cylinder and the outer filter cylinder are provided with a plurality of water passing through holes, the upper end of the water outlet pipe is inserted into the inner cavity of the filter cylinder, and an elastic sealing ring is arranged between the water outlet pipe and the filter cylinder.

Preferably, the number of the outer washing mechanisms is at least 3 and the outer washing mechanisms are uniformly distributed in an annular array.

Preferably, the inner washing structure comprises a first shunt pipe, a plurality of first branch pipes arranged on one side of the first shunt pipe and spray heads arranged at the end parts of the first branch pipes, and the outer washing structure comprises a second shunt pipe, a plurality of second branch pipes arranged on one side of the second shunt pipe and spray heads arranged at the end parts of the second branch pipes.

Preferably, the sewage draining port is provided with a sewage draining valve, and the water outlet pipe is provided with a water draining valve.

(III) advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

the sewage is subjected to the centrifugal separation action of the centrifugal separation cylinder, so that solid impurities slide into the bottom of the conical cylinder along the inner wall of the separation cylinder, the quantity of the fixed impurities accumulated on the surface of the filter screen is reduced, the filtering efficiency is improved, and the maintenance interval time of the filter screen is prolonged; the inner cavity of the filter screen is convenient to wash through the inner washing mechanism, and the outer wall of the filter screen and the inner wall of the separation barrel are convenient to wash through the outer washing mechanisms, so that the labor intensity of workers in maintaining the filter screen is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a separation cylinder according to the present invention;

FIG. 3 is a schematic structural view of a filter cartridge according to the present invention;

FIG. 4 is a schematic structural view of a water distribution mechanism of the present invention;

fig. 5 is a schematic view of the overall structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a waste water solid-liquid separation device with self-cleaning function for environmental protection comprises a shell 1, a filter cylinder 2 arranged in the shell 1, an inner flushing mechanism 3 arranged on the shell 1 and used for flushing an inner cavity of the filter cylinder 2, and a plurality of outer flushing mechanisms 4 arranged on the shell 1 and used for flushing an annular cavity between the filter cylinder 2 and the inner wall of the shell, wherein the inner cavity of a flushing filter screen 23 is cleaned through the inner flushing mechanism, and the outer wall of the flushing filter screen 23 and the inner wall of a separation cylinder 11 are flushed through the outer flushing mechanisms 4 during cleaning;

the shell 1 comprises a separation cylinder 11, a cylinder cover 12 and a limiting structure which is arranged between the separation cylinder 11 and the cylinder cover 12 and used for limiting the filter cylinder 2, wherein one side of the upper part of the separation cylinder 11 is provided with a water inlet pipe 5 which is tangential to the inner wall of the separation cylinder 11, the lower part of the separation cylinder is provided with a water outlet pipe 6 which is communicated with the inner cavity of the filter cylinder 2, and the lower end of the separation cylinder is provided with a sewage outlet 8;

the limiting mechanism comprises an upper locating ring 13 which is arranged at the lower end of the cylinder cover 12 and extends into the inner wall of the filter cylinder 2 and a lower locating ring 14 which is connected with the lower end of the straight cylinder 111 through a plurality of supporting blocks;

the filter cartridge 2 comprises an inner filter cartridge 22, an outer filter cartridge 22 and a filter screen 23 arranged between the inner filter cartridge 22 and the outer filter cartridge 22;

the inner flushing mechanism 3 comprises a water distribution sleeve 31 arranged at the top of the cylinder cover 12, a water distribution shaft 32 rotatably arranged in the water distribution sleeve 31, a motor 33 arranged at the top of the water distribution sleeve 31 and used for driving the water distribution shaft 32 to rotate, and a detachable inner flushing structure 37 arranged at the lower end of the water distribution shaft 32, wherein the motor drives the inner flushing structure at the lower end of the water distribution shaft to rotate, so that the inner flushing structure rotationally flushes the inner cavity of the flushing filter screen, the flushing range of the inner flushing structure is expanded, and the inner flushing structure can flush the inner cavity of the filter screen in all directions;

outer washing mechanism 4 is including setting up the water distribution cover 31 at the top of cover 12, rotatable setting is at water distribution axle 32 in water distribution cover 31, set up being used for at the top of water distribution cover 31 drive water distribution axle 32 pivoted motor 33 and detachable setting at the outer washing structure 41 of water distribution axle 32 lower extreme, the motor drives the outer washing structure rotation of water distribution axle lower extreme, the outer wall that makes outer washing structure rotationally wash the filter screen and the inner wall of separator, expand the washing scope of outer washing structure, the outer wall that guarantees that outer washing structure can the omnidirectional washes the filter screen and the inner wall of separator.

As a preferred embodiment, the separation cylinder 11 includes a straight cylinder 111, a tapered cylinder 112 disposed at the lower end of the straight cylinder 111, and a flange disposed on the outer wall of the upper end of the straight cylinder 111, and the upper end of the lower positioning ring 14 is provided with a positioning ring groove matched with the outer wall of the filter cartridge 2, so that the upper positioning ring and the lower positioning ring are matched to fix the filter cartridge 2, thereby increasing the stability of the filter cartridge and preventing the filter cartridge from swinging left and right due to sewage impact.

As a preferred embodiment, the middle part of one side of the water distribution sleeve 31 is provided with a water distribution hole 34 convenient for connecting a water inlet pipe, and the upper part of the other side is provided with a water drainage hole for preventing water from leaking to the motor 33; a water distribution ring groove 35 communicated with the water distribution hole 34 is formed in the inner wall of the water distribution sleeve 31, a water passing hole 36 penetrating through the water distribution shaft 32 is formed in the position, corresponding to the water distribution ring groove 35, on the water distribution shaft 32, and a connecting hole communicated with the water passing hole 36 and used for connecting the inner washing structure 34 or the outer washing structure is formed in the lower end of the water distribution shaft; the washing liquid enters from the water distribution hole, passes through the water distribution ring groove and then enters into the water passing hole of the water distribution shaft, and the washing liquid still can enter into the water passing hole when the water distribution shaft rotates due to the arrangement of the water distribution ring groove.

As a preferred embodiment, a rolling bearing is disposed between the outer wall of the upper end of the water distribution shaft 32 and the water distribution sleeve 31, an inner spline hole for inserting the output shaft of the motor 33 is disposed at the core of the top end of the water distribution shaft 32, a plurality of sealing ring grooves for placing sealing rings are disposed on the outer wall of the water distribution shaft 32, the water distribution shaft is driven by the motor to rotate, and the sealing rings can prevent sewage from permeating into the motor.

As a preferred embodiment, the lower end of the lower positioning ring 14 is provided with a diversion cone 7 for guiding the settled solid impurities away from the filter screen, so as to avoid bringing smaller particles of the solid impurities to the filter screen again due to the disturbance of the water flow and accumulating on the surface of the bottom of the filter screen.

As a preferred embodiment, the barrel cover 12 is provided with a first transition ring plate convenient for connecting the water distribution sleeve 31 corresponding to the inner flushing mechanism 3, a second transition ring plate convenient for connecting the water distribution sleeve 31 corresponding to the outer flushing mechanism 4, and the first transition ring plate and the second transition ring plate, so that the barrel cover does not need to be detached in the maintenance process of the flushing mechanism, the labor intensity of workers is reduced, and the maintenance is facilitated.

As a preferred embodiment, the inner and outer filter cartridges function as a framework of the filter screen, so that the rigidity of the filter cartridge is improved, and larger impurities can be blocked outside the outer filter cartridge, the upper end of the water outlet pipe 5 is inserted into the inner cavity of the filter cartridge 2, an elastic sealing ring is arranged between the water outlet pipe 6 and the filter cartridge 2, and the elastic sealing ring is arranged, so that the connection and assembly are facilitated, and fixed particles are prevented from permeating into the filter screen from a gap between the filter cartridge and the water outlet pipe; the outer walls of the inner filter cartridge 22 and the outer filter cartridge 21 are provided with a plurality of water passing through holes.

As a preferred embodiment, the number of the outer washing mechanisms 4 is at least 3 and the outer washing mechanisms are uniformly distributed in an annular array, and the outer walls of the filter screens and the inner walls of the separation cylinders can be guaranteed to be washed in an all-round mode through the plurality of the outer washing mechanisms.

As a preferred embodiment, the inner washing structure 37 includes a first shunt pipe, a plurality of first branch pipes disposed at one side of the first shunt pipe, and a spray head disposed at an end portion of the first branch pipe, and the outer washing structure includes a second shunt pipe, a plurality of second branch pipes disposed at one side of the second shunt pipe, and a spray head disposed at an end portion of the second branch pipe, and the washing liquid in the water distribution shaft flows into each branch pipe after entering the shunt pipe, and is sprayed out through the spray head.

As a preferred embodiment, the sewage draining outlet 8 is provided with a sewage draining valve, the water outlet pipe is provided with a water draining valve, sewage containing solid impurity precipitates is drained through the sewage draining outlet, and purified water is drained through the water outlet pipe.

It is to be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or operations, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus, without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.