CN111707797B

CN111707797B - Granular impurity detection device for sewage detection

Info

Publication number: CN111707797B
Application number: CN202010837133.XA
Authority: CN
Inventors: 葛晓燕
Original assignee: Individual
Current assignee: Xu Minjun
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2020-12-01
Anticipated expiration: 2040-08-19
Also published as: CN111707797A

Abstract

The invention discloses a granular impurity detection device for sewage detection, and relates to the technical field of water quality detection equipment. The invention comprises a barrel body and a content working device, wherein the content working device is of a centrifugal suction filtration structure and comprises a centrifugal column, a centrifugal groove is formed in the centrifugal column, a centrifugal tube is installed in the centrifugal groove, and a negative pressure exhaust tube is connected to the surface of the barrel body in an adhesive mode and is connected with an external vacuum pump. According to the invention, the centrifugal suction filtration structure is arranged in the barrel body, and the negative pressure exhaust pipe is matched with the external vacuum pump, so that the vacuum suction filtration effect is increased by centrifugation, and the separation efficiency is improved; the centrifugal column is provided with the centrifugal groove and the electromagnetic valve, so that the centrifugal force applied to the centrifugal tube in the centrifugal process can be used for controlling the work of the vacuum pump, the two processes of centrifugation and suction filtration are carried out simultaneously, the detection time and steps are saved, and the energy is saved; through set up the pellicle in the centrifuging tube, can locate the whole separation of material beyond the granular impurity with the sewage in suction filtration centrifugation process, improve separation efficiency.

Description

Granular impurity detection device for sewage detection

Technical Field

The invention belongs to the technical field of water quality detection equipment, and particularly relates to a granular impurity detection device for sewage detection.

Background

In the current society, with the acceleration of the industrialization process, the negative impact brought by the industrial development is larger and larger, especially to the environment, wherein the most important thing to people is water environment pollution; as water resources are one of the resources on which people live, the monitoring of the water environment pollution is very strict, and the pollution condition is required to be accurately and quickly detected. In order to analyze the water pollution source, the components in the sewage are often detected, and the most easily detected and separated components are granular impurities in the sewage; however, in the sewage detection equipment in the prior art, for the detection of the particulate impurities, a sedimentation method and a centrifugation method are generally adopted to separate the particulate impurities from the sewage, the sedimentation method needs to put an adsorbent into the sewage to adsorb the solid impurities, however, the method is easy to adsorb the non-particulate impurities such as grease and heavy metal ions in the sewage together in the adsorption process to influence the detection result, and the single centrifugation method cannot completely separate the particulate matters on the premise of facing the same problem, so that the particulate impurity detection device for sewage detection is designed to avoid the problem.

Disclosure of Invention

The invention aims to provide a granular impurity detection device for sewage detection, which solves the problems that the existing sewage detection equipment cannot completely separate granular impurities and the detection result is easy to deviate.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a barrel body and a content working device, wherein the barrel body comprises a shell and a sealing cover, the content working device mainly adopts a centrifugal pumping filtration structure, one surface of the shell is connected with the sealing cover in a clamping manner, so that a sealing structure is formed in the barrel body and is in sealing fit with the shell, the shell is connected with the centrifugal pumping filtration structure in a clamping manner, and the shell and the centrifugal pumping filtration structure are in nested fit;

a negative pressure exhaust pipe is connected and communicated with one side surface of the shell in a gluing mode and is connected with an external vacuum pump for suction filtration so as to improve the efficiency of filtration and separation, a liquid discharge pipe is communicated with the bottom surface of the shell in a gluing mode and discharges separated filtrate, an intercepting valve is arranged on the surface of the liquid discharge pipe, the negative pressure exhaust pipe is matched with the liquid discharge pipe, and a blocking ring is adhered to the inner surface of the shell.

Furthermore, the centrifugal suction filtration structure comprises a centrifugal column, a centrifugal shaft and a centrifugal motor, the centrifugal motor is welded with the centrifugal shaft, one surface of the centrifugal shaft is connected with the centrifugal column, the centrifugal column is of a hollow cylinder structure, a ring sliding groove is formed in the peripheral side surface of the centrifugal column, the ring sliding groove is in sliding fit with the blocking ring, and meanwhile, support is provided for rotation of the centrifugal column.

Furthermore, a plurality of centrifugal grooves are formed in the centrifugal column, each centrifugal groove is of a triangular cavity structure, supporting blocks are bonded among the centrifugal grooves, a first telescopic rod is mounted on the surface of each centrifugal groove, a supporting plate is hinged to the surface of each first telescopic rod, the supporting plates are convenient to fold and rotate, a plurality of second telescopic rods are mounted on the peripheral side faces of the supporting blocks, connecting hooks are welded on the surface of each second telescopic rod, and the first telescopic rods and the second telescopic rods are adaptive in quantity and position.

Furthermore, a plurality of control blocks are adhered to the inner surface of the centrifugal column, the control blocks are adaptive to the number and the positions of the centrifugal grooves, electromagnetic valves are mounted on one surface of each control block and are electrically connected with each other, the electromagnetic valves are electrically connected with an external vacuum pump and are used for controlling the opening and closing of the vacuum pump, a plurality of filter holes are formed in the bottom surface of the centrifugal column, and the filter holes are communicated with the centrifugal grooves.

Further, the spacing groove has been seted up on centrifugal groove another surface, centrifugal groove internally mounted has the centrifuging tube, the centrifuging tube suits with the structure and the quantity homogeneous phase of centrifugal groove, the equal adhesion of the relative both sides face of centrifuging tube has the spacing post, spacing post mutually supports with the spacing groove, a centrifuging tube surface clamps the tube cap, and another surface clamps the filter plate, be provided with the pellicle between filter plate and the centrifuging tube, there is the cavity between pellicle and the filter plate.

Furthermore, a branch filter plate is installed on one side face of the filter plate, the branch filter plate is in sliding fit with the filter plate, the branch filter plate extends into the cavity, a plurality of springs are adhered between the branch filter plate and the filter plate, the branch filter plate is adaptive to the electromagnetic valve in position, water permeable holes are formed in the surfaces of the filter plate and the branch filter plate, and the water permeable holes are matched with each other.

Further, centrifugal shaft week side-mounting has water proof cover, water proof cover is the funnel structure, clamp between centrifugal motor bottom surface and the shell and be connected, through spacing groove and spacing post normal running fit between centrifuging tube and the centrifugal groove, a centrifuging tube side adhesion has the go-between, mutually support between go-between and the coupling hook to first telescopic link and second telescopic link cooperation support installation centrifuging tube.

The invention has the following beneficial effects:

according to the centrifugal vacuum filtration device, the centrifugal vacuum filtration structure is arranged in the barrel body, and the negative pressure exhaust pipe is matched with the external vacuum pump, so that the vacuum filtration effect can be improved and the separation efficiency can be improved in the centrifugal process; the centrifugal column is provided with the centrifugal groove and the electromagnetic valve, so that the centrifugal force applied to the centrifugal tube in the centrifugal process can be used for controlling the work of the vacuum pump, the two processes of centrifugation and suction filtration are carried out simultaneously, the detection time and steps are saved, and the energy is saved; in addition, through set up the pellicle in the centrifuging tube, can locate the whole separation of material beyond the granular impurity with the sewage in suction filtration centrifugation process, improve separation efficiency, avoid the influence of other materials to the testing result.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a granular impurity detection apparatus for sewage detection according to the present invention;

FIG. 2 is a schematic view of the structure of the negative pressure exhaust tube of the granular impurity detection apparatus for sewage detection according to the present invention;

FIG. 3 is a schematic structural view of section A-A in FIG. 2;

FIG. 4 is a partial display view of portion B of FIG. 3;

FIG. 5 is a partial view of portion C of FIG. 3;

FIG. 6 is a schematic structural view of section D-D in FIG. 3;

FIG. 7 is a schematic structural view of section E-E in FIG. 3;

fig. 8 is a schematic structural view of a section F-F in fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1-shell, 2-sealing cover, 3-centrifugal filtration structure, 101-negative pressure air exhaust tube, 102-liquid discharge tube, 1021-shutoff valve, 103-blocking ring, 301-centrifugal column, 302-centrifugal shaft, 303-centrifugal motor, 3011-ring chute, 3012-centrifugal groove, 3013-first telescopic rod, 3014-supporting plate, 304-supporting block, 3041-second telescopic rod, 3042-connecting hook, 3015-control block, 3016-electromagnetic valve, 3017-limiting groove, 305-centrifugal tube, 3051-limiting column, 3052-tube cover, 3053-filter plate, 3054-filter plate, 3055-spring, 306-water-isolation cover and 3056-connecting ring.

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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-8, the invention relates to a granular impurity detection device for sewage detection, which comprises a bucket body and a content working device, wherein the bucket body comprises a shell 1 and a sealing cover 2, the content working device mainly comprises a centrifugal pumping filtration structure 3, the shell 1 is clamped and connected with the sealing cover 2 and is in sealing fit with the shell, the shell 1 is clamped and connected with the centrifugal pumping filtration structure 3 and is in nested fit with the centrifugal pumping filtration structure 3;

a negative pressure exhaust tube 101 is connected and communicated with one side surface of the shell 1 in a gluing mode and is connected with an external vacuum pump for suction filtration so as to improve the efficiency of filtration and separation, a liquid discharge tube 102 is connected and communicated with the bottom surface of the shell 1 in a gluing mode and discharges separated filtrate, an intercepting valve 1021 is installed on the surface of the liquid discharge tube 102, the negative pressure exhaust tube 101 is matched with the liquid discharge tube 102, and a blocking ring 103 is adhered to the inner surface of the shell 1.

The centrifugal suction filtration structure 3 comprises a centrifugal column 301, a centrifugal shaft 302 and a centrifugal motor 303, the centrifugal motor 303 is welded with the centrifugal shaft 302, one surface of the centrifugal shaft 302 is connected with the centrifugal column 301, the centrifugal column 301 is a hollow cylinder structure, a ring chute 3011 is arranged on the peripheral side surface of the centrifugal column 301, the ring chute 3011 is in sliding fit with the blocking ring 103, and meanwhile, the centrifugal column 301 is supported for rotation.

Wherein, a plurality of centrifugal grooves 3012 have been seted up to centrifugal post 301 inside, centrifugal groove 3012 is the triangle-shaped cavity structure, the adhesion has supporting shoe 304 between a plurality of centrifugal grooves 3012, a centrifugal groove 3012 surface mounting has first telescopic link 3013, a first telescopic link 3013 surface articulates there is backup pad 3014, the folding rotation of backup pad 3014 of being convenient for, a plurality of second telescopic links 3041 are installed to supporting shoe 304 week side, a surface welding has connecting hook 3042 on second telescopic link 3041, the quantity and the position homogeneous phase adaptation of first telescopic link 3013 and second telescopic link 3041.

The inner surface of the centrifugal column 301 is adhered with a plurality of control blocks 3015, the control blocks 3015 are adapted to the number and positions of the centrifugal slots 3012, electromagnetic valves 3016 are mounted on one surface of the control blocks 3015, the electromagnetic valves 3016 are electrically connected with each other and are electrically connected with an external vacuum pump for controlling the opening and closing of the vacuum pump, a plurality of filter holes are formed in the bottom surface of the centrifugal column 301, and the filter holes are communicated with the centrifugal slots 3012.

Wherein, spacing groove 3017 has been seted up on another surface of centrifugation groove 3012, centrifugation groove 3012 internally mounted has centrifuging tube 305, centrifuging tube 305 suits with the structure and the quantity homogeneous phase of centrifugation groove 3012, the equal adhesion of the relative both sides face of centrifuging tube 305 has spacing post 3051, spacing post 3051 and spacing groove 3017 mutually support, a centrifuging tube 305 surface clamps has tube cap 3052, another surface clamps has filter plate 3053, be provided with the pellicle between filter plate 3053 and the centrifuging tube 305, there is the cavity between pellicle and the filter plate 3053.

Wherein, a branch filter plate 3054 is installed to a side of filter plate 3053, divides sliding fit between filter plate 3054 and the filter plate 3053, divides inside filter plate 3054 extends to the cavity, divides the adhesion between filter plate 3054 and the filter plate 3053 to have a plurality of springs 3055, divides the position of filter plate 3054 and solenoid valve 3016 to adapt to each other, and the hole of permeating water has all been seted up on the surface of filter plate 3053 and branch filter plate 3054, and two holes of permeating water are mutually supported.

Wherein, the water proof cover 306 is installed to the side face around the centrifugal shaft 302, and water proof cover 306 is the funnel structure, clamps between centrifugal motor 303 bottom surface and the shell 1 and is connected, through spacing groove 3017 and spacing post 3051 normal running fit between centrifuging tube 305 and the centrifuge bowl 3012, and a side adhesion of centrifuging tube 305 has a go-between 3056, mutually supports between go-between 3056 and the connecting hook 3042 to first telescopic link 3013 and the cooperation of second telescopic link 3041 support the installation centrifuging tube.

Example 1:

referring to fig. 1-8, it should be further explained that, the centrifugal motor 303 of the present invention is a dc motor with model number ZY77-10-129, the vacuum pump is connected with the negative pressure exhaust tube 101 by glue through a rubber tube, and forms a sealing structure by matching with the inner environment of the barrel body, so as to improve the suction filtration effect; a control circuit of the vacuum pump is connected in parallel among the electromagnetic valves 3016, the position-cutting tact switch structure is adopted, and the electromagnetic valves 3016 are checked, recorded and connected when the centrifugal tube 305 is squeezed after being subjected to centrifugal force; when disengaged, the circuit is open.

Example 2:

referring to fig. 1 to 8, the present embodiment is a working principle of a granular impurity detecting device for sewage detection:

when the detection device provided by the invention operates, after the centrifugal tube 305 is subjected to centrifugal force in a centrifugal process, the centrifugal tube 305 rotates around the limiting column 3051 under the action of the centrifugal force and is thrown to the outer side of the centrifugal groove 3012, at the moment, the bottom of the centrifugal tube 305 is in continuous contact with the electromagnetic valve 3016, and a control circuit of the vacuum pump is conducted, so that when the detection device operates, the vacuum pump performs suction filtration simultaneously, and the separation efficiency can be improved;

meanwhile, in the extrusion process of the centrifugal tube 305, the filter separating plate 3054 extends out of the centrifugal tube 305 under the extrusion of the original spring 3055, and at the moment, the two water permeable holes are staggered and not communicated with each other; after being extruded, the filter plate 3054 slides into the tube, the two water permeable holes are communicated, and the separated sewage is discharged out of the centrifuge tube through the semipermeable membrane and the communicated two water permeable holes under the action of centrifugal suction filtration; after the centrifugal filtration is finished, particle impurities remain on the semipermeable membrane so as to continuously detect other properties at the next stage.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. Granular impurity detection device for sewage detection, including staving and content equipment, wherein, the staving includes shell (1) and sealed lid (2), and content equipment mainly is centrifugal suction filtration structure (3), its characterized in that: one surface of the shell (1) is connected with the sealing cover (2) in a clamping manner and is in sealing fit with the sealing cover, the shell (1) is connected with the centrifugal pumping filtration structure (3) in a clamping manner and is in nested fit with the centrifugal pumping filtration structure, one side surface of the shell (1) is connected and communicated with the negative pressure air exhaust pipe (101) in a gluing manner, the bottom surface of the shell (1) is connected and communicated with the liquid discharge pipe (102) in a gluing manner, the surface of the liquid discharge pipe (102) is provided with the shutoff valve (1021), the negative pressure air exhaust pipe (101) is connected with the external vacuum pump, the negative pressure air exhaust pipe (101) is matched with the liquid discharge pipe (102), the inner surface of the shell (1) is connected with the blocking ring (103) in an adhering manner, the centrifugal pumping filtration structure (3) comprises a centrifugal column (301), a centrifugal shaft (302) and a centrifugal motor (303), the centrifugal motor (303) is welded with the centrifugal shaft (, the centrifugal column (301) is of a hollow cylinder structure, a ring sliding groove (3011) is formed in the peripheral side face of the centrifugal column (301), the ring sliding groove (3011) is in sliding fit with a blocking ring (103), a plurality of centrifugal grooves (3012) are formed in the centrifugal column (301), the centrifugal grooves (3012) are of a triangular cavity structure, supporting blocks (304) are adhered among the centrifugal grooves (3012), a first telescopic rod (3013) is installed on one surface of each centrifugal groove (3012), a supporting plate (3014) is hinged to one surface of each first telescopic rod (3013), a plurality of second telescopic rods (3041) are installed on the peripheral side face of each supporting block (304), a connecting hook (3042) is welded on one surface of each second telescopic rod (3041), the first telescopic rods (3013) are adaptive to the second telescopic rods (3041) in number and position, and a plurality of control blocks (3015) are adhered to the inner surface of the centrifugal column (301), the quantity and the position homogeneous phase of control block (3015) and centrifugal groove (3012) adapt to, a control block (3015) surface mounting has solenoid valve (3016), a plurality of electric connection between solenoid valve (3016), a plurality of filtration pores have been seted up on centrifugal post (301) basal surface, filtration pore and centrifugal groove (3012) communicate each other, spacing groove (3017) have been seted up on another surface of centrifugal groove (3012), centrifugal groove (3012) internally mounted has centrifuging tube (305), centrifuging tube (305) and the structure and the quantity homogeneous phase adaptation of centrifugal groove (3012), centrifuging tube (305) relative both sides face all adheres there is spacing post (3051), spacing post (3051) and spacing groove (3017) mutually support, a surface of centrifuging tube (305) clamps has tube cap (3052), another surface clamps has filter plate (3), be provided with the pellicle between filter plate (3053) and centrifuging tube (305305), there is the cavity between pellicle and filter plate (3053), filter plate (3053) a side is installed and is divided filter plate (3054), divide sliding fit between filter plate (3054) and filter plate (3053), it extends to inside the cavity to divide filter plate (3054), it has a plurality of springs (3055) to divide the adhesion between filter plate (3054) and filter plate (3053), divide the position of filter plate (3054) and solenoid valve (3016) to adapt to each other, the hole of permeating water has all been seted up on the surface of filter plate (3053) and branch filter plate (3054), two it mutually supports to permeate water the hole, water cover (306) is installed to centrifugal shaft (302) week side, water cover (306) are the funnel structure, it is connected to clamp between centrifugal motor (303) basal surface and shell (3011), through spacing groove (3017) and spacing post (3051) rotation fit between centrifuging tube (305) and centrifugal groove (3012), a connecting ring (3056) is adhered to one side surface of the centrifugal tube (305), and the connecting ring (3056) is matched with the connecting hook (3042).