CN212383889U

CN212383889U - Horizontal screw centrifuge with function of preventing material sticking on inner wall of housing

Info

Publication number: CN212383889U
Application number: CN202020830506.6U
Authority: CN
Inventors: 顾秋华
Original assignee: SUZHOU UNITED MACHINE CO Ltd
Current assignee: SUZHOU UNITED MACHINE CO Ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-22
Anticipated expiration: 2030-05-18

Abstract

The utility model provides a spiral shell centrifuge crouches with prevent housing inner wall sizing function, housing and rotary drum on centrifuge frame, centrifuge are equipped with the circulation scraper mechanism that is used for cleaing away the sizing on centrifuge between housing and the rotary drum slag notch. The utility model discloses compare in prior art, adopt with centrifuge upper shield shell and the independent circulation of rotary drum looks scrape the material mechanism in time strike off the material totally, prevent that the material from piling up the upper shield shell inner wall, ensure the long-time steady operation of centrifuge. The circulating material scraping mechanism can control the running speed of the circulating material scraping mechanism according to the requirement, and the energy consumption and the material scraping effect are both considered.

Description

Horizontal screw centrifuge with function of preventing material sticking on inner wall of housing

Technical Field

The utility model relates to a centrifuge technical field, concretely relates to spiral shell centrifuge crouches with prevent housing inner wall sizing function.

Background

The horizontal screw centrifuge is a machine for settling and separating solid phase and liquid phase of material. After the material got into spiral shell centrifuge crouches, under the centrifugal force effect of high-speed rotatory rotary drum, liquid phase is discharged from the liquid outlet, the solid phase is thrown away to centrifuge upper shield shell inner wall from the slag notch under the centrifugal force effect on, under the normal condition, the solid phase can drop from the inner wall, from the bottom slag notch, nevertheless viscosity is big a bit, the solid phase that the granule is little can glue on last housing inner wall, can not drop by oneself, it is thicker more long-pending on the housing inner wall, if not in time clear away, after long-time operation, the material can be piled up whole housing cavity, make material and rotary drum excircle produce the friction, influence centrifuge's normal ejection of compact, even lock the rotary drum, make centrifuge unable operation. The solutions adopted today are: firstly, the encloser is opened after the machine is stopped, and manual cleaning is carried out, the method is time-consuming and labor-consuming, and the horizontal screw centrifuge is of a fully-closed structure, so that the accumulation condition of materials cannot be judged and when the materials need to be cleaned; secondly, a scraper is arranged on the outer circle of the rotary drum, the rotary drum scrapes materials while running, and due to the fact that the relative speed between the scraper and the housing is too high, noise and vibration of the machine can be increased, the materials cannot be completely scraped, and the scraper is particularly easy to wear.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a decanter centrifuge with the function of preventing the material sticking of the inner wall of the housing.

In order to achieve the above object, the technical solution of the present invention is:

a horizontal screw centrifuge with the function of preventing the material sticking on the inner wall of a housing comprises a centrifuge frame, an upper housing of the centrifuge and a rotary drum, wherein a circulating material scraping mechanism for clearing the material sticking is arranged between the upper housing of the centrifuge and a slag outlet of the rotary drum.

The utility model discloses compare in prior art, adopt with centrifuge upper shield shell and the independent circulation of rotary drum looks scrape the material mechanism in time strike off the material totally, prevent that the material from piling up the upper shield shell inner wall, ensure the long-time steady operation of centrifuge. The circulating material scraping mechanism can control the running speed of the circulating material scraping mechanism according to the requirement, and the energy consumption and the material scraping effect are both considered.

Further, circulation scraper constructs including conveyer belt mounting panel, conveyer belt actuating mechanism and first scraper, the conveyer belt coiling is in the pivot of conveyer belt mounting panel, conveyer belt actuating mechanism drives conveyer belt cyclic motion, the conveyer belt distributes along the inner wall of centrifuge upper shield shell, first scraper cooperates with the conveyer belt surface that is located the rotary drum below.

Further, the conveying belt driving mechanism is a speed reduction motor.

Adopt above-mentioned preferred scheme, after the stickness material is thrown away from the rotary drum slag notch, on the glutinous conveyer belt in the operation, the material follows the conveyer belt motion, reaches the position of first scraper at last, and first scraper scrapes the material from the conveyer belt and gets off from the slag notch and discharge.

Furthermore, the circulating scraping mechanism comprises a second scraper and a linear reciprocating driving mechanism, the second scraper is in a semi-ring shape matched with the inner wall of the upper housing of the centrifuge, and the linear reciprocating driving mechanism drives the second scraper to axially translate along the rotary drum.

Further, the linear reciprocating driving mechanism is in a manual, hydraulic, pneumatic or electric driving mode.

Adopt above-mentioned preferred scheme, the second scraper excircle is hugged closely in last dustcoat inner wall, and reciprocating linear drive mechanism control second scraper left and right sides reciprocating motion, and the second scraper can strike off the material that glues at centrifuge upper shield totally.

Furthermore, the circulating material scraping mechanism comprises a rotary drum, a third scraper and a rotary drum driving mechanism, blanking ports arranged at intervals are formed in the rotary drum, the third scraper is installed on the periphery of the rotary drum, and the rotary drum driving mechanism drives the rotary drum to rotate.

Further, the drum driving mechanism is a speed reduction motor.

By adopting the preferable scheme, the rotary drum is in a hollow structure. The third scraper is tightly attached to the inner wall of the upper cover shell, the rotary drum drives the third scraper blade to do rotary motion around the circle center, and materials adhered to the inner wall of the upper cover shell are scraped to the hollow blanking port and are discharged.

Drawings

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

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the opening of the upper cover of the centrifuge corresponding to FIG. 2;

FIG. 4 is a partial front view of a hidden centrifuge upper housing corresponding to the embodiment of FIG. 2;

FIG. 5 is a schematic structural diagram of another embodiment of the present invention;

fig. 6 is a schematic structural diagram of another embodiment of the present invention.

Names of corresponding parts represented by numerals and letters in the drawings:

101-a centrifuge housing; 102-centrifuge upper housing; 103-a rotating drum; 104-a drum slag outlet; 105-material; 106-centrifuge slag outlet; 201-conveyor belt mounting plate; 202-a conveyor belt; 203-a conveyor belt drive mechanism; 204-a first scraper; 301-a second scraper; 302-linear reciprocating drive mechanism; 401-a drum; 402-a blanking port; 403-a third scraper; 404-drum drive mechanism.

Detailed Description

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

As shown in fig. 1-6, a horizontal screw centrifuge with the function of preventing the material sticking on the inner wall of the housing comprises a centrifuge frame 101, an upper housing 102 of the centrifuge and a rotary drum 103, wherein the right side of the centrifuge is provided with a centrifuge slag outlet 106, and a circulating scraper mechanism for removing the material sticking is arranged between the upper housing 102 of the centrifuge and the rotary drum slag outlet 104.

The beneficial effect of adopting above-mentioned technical scheme is: adopt with centrifuge upper shield shell and rotary drum mutually independent circulation scraper constructs in time to strike off the material totally, prevent that the material from piling up the upper shield shell inner wall, circulation scraper constructs the functioning speed that can control self according to the demand, compromises energy consumption and scrapes the material effect.

As shown in fig. 1-4, in other embodiments of the present invention, the circulating scraper mechanism includes a conveyer belt mounting plate 201, a conveyer belt 202, a conveyer belt driving mechanism 203 and a first scraper 204, the conveyer belt 202 is wound around the rotating shaft of the conveyer belt mounting plate 201, the conveyer belt driving mechanism 203 drives the conveyer belt 202 to move circularly, the conveyer belt 202 is distributed along the inner wall of the centrifuge upper housing 102, and the first scraper 204 is matched with the surface of the conveyer belt located below the rotating drum. The conveyor belt driving mechanism 203 is a reduction motor. When the viscous material is thrown out of the drum slag outlet 104 and is adhered to the conveyor belt 202 during operation, the material moves along with the conveyor belt 202 and finally reaches the position of the first scraper 204, and the first scraper 204 scrapes the material 105 off the conveyor belt 202 and discharges the material from the centrifuge slag outlet.

As shown in fig. 5, in other embodiments of the present invention, the circulating scraper mechanism includes a second scraper 301 and a linear reciprocating driving mechanism 302, the second scraper 301 is in a semi-ring shape matching with the inner wall of the upper housing 102 of the centrifuge, and the linear reciprocating driving mechanism 302 drives the second scraper 301 to axially translate along the drum. The linear reciprocating drive mechanism 302 is in the form of a manual, hydraulic, pneumatic, or electric drive. The outer circle of the second scraper 301 is along the inner wall of the centrifuge upper housing 102, the linear reciprocating driving mechanism 302 controls the second scraper 301 to reciprocate left and right, and the second scraper 301 can scrape the material adhered to the centrifuge upper housing clean.

As shown in fig. 6, in other embodiments of the present invention, the circulating scraper mechanism includes a rotating drum 401, a third scraper 403 and a rotating drum driving mechanism 404, the rotating drum 401 is provided with blanking ports 402 arranged at intervals, the third scraper 403 is installed at the periphery of the rotating drum 401, and the rotating drum driving mechanism 404 drives the rotating drum 401 to rotate. The drum drive mechanism 404 is a reduction motor. The rotary drum 401 has a hollow structure. The third scraper 403 is tightly attached to the inner wall of the upper housing, and the rotary drum 401 drives the third scraper 403 to make rotary motion around the center of the circle, so as to scrape the material adhered to the inner wall of the upper housing to the hollow blanking opening and discharge the material.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The horizontal screw centrifuge with the function of preventing the sizing of the inner wall of the housing comprises a centrifuge frame, an upper housing of the centrifuge and a rotary drum, and is characterized in that a circulating material scraping mechanism for clearing the sizing is arranged between the upper housing of the centrifuge and a slag outlet of the rotary drum.

2. A horizontal decanter centrifuge with the function of preventing the material sticking on the inner wall of the casing as claimed in claim 1, wherein said circulating scraper mechanism comprises a conveyer belt mounting plate, a conveyer belt wound on a rotating shaft of said conveyer belt mounting plate, a conveyer belt driving mechanism for driving the conveyer belt to circulate, said conveyer belt being distributed along the inner wall of the casing on the centrifuge, and a first scraper engaged with the surface of the conveyer belt located below the rotary drum.

3. A horizontal screw centrifuge having a function of preventing the inner wall of the casing from being stuck as claimed in claim 2, wherein said conveyor belt driving mechanism is a speed reduction motor.

4. A horizontal screw centrifuge with the function of preventing the material sticking on the inner wall of the housing as claimed in claim 1, wherein the circulating scraper mechanism comprises a second scraper and a linear reciprocating driving mechanism, the second scraper is in a semi-annular shape matched with the inner wall of the housing on the centrifuge, and the linear reciprocating driving mechanism drives the second scraper to axially translate along the rotary drum.

5. A horizontal screw centrifuge with the function of preventing the material sticking on the inner wall of the casing as claimed in claim 4, wherein the linear reciprocating driving mechanism is in a manual, hydraulic, pneumatic or electric driving form.

6. A horizontal screw centrifuge with the function of preventing the material sticking on the inner wall of the housing as claimed in claim 1, wherein the circulating scraping mechanism comprises a rotating drum, a third scraper and a drum driving mechanism, the rotating drum is provided with blanking ports arranged at intervals, the third scraper is installed on the periphery of the rotating drum, and the drum driving mechanism drives the rotating drum to rotate.

7. A horizontal screw centrifuge having a function of preventing the inner wall of the casing from being stuck as set forth in claim 6, wherein said bowl driving mechanism is a reduction motor.