CN211518595U - Solid-liquid separation device for water treatment - Google Patents

Abstract

The utility model provides a solid-liquid separation device for water treatment, which comprises a rotary drum and a squeezing screw rod arranged in the rotary drum, wherein the squeezing screw rod is provided with an inner cavity, the inner cavity is provided with a feeding pipe used for conveying a solid-liquid mixture to be separated to the inner cavity, two ends of the rotary drum are respectively provided with a liquid outlet and a solid slag discharging port, the liquid outlet is arranged at a material input end, and the solid slag discharging port is arranged at a material discharge end; the differential mechanism is used for providing rotating force for the rotary drum and the pressing screw rod so as to enable the rotary drum and the pressing screw rod to rotate in the same direction at high speed. Above-mentioned solid-liquid separation equipment for water treatment has realized the online automation of filtering the material and has filtered the operation, simple structure, and the appearance is compact, occupation space not, the simple operation, and filtration efficiency is high, and is effectual, low in production cost.

Description

Solid-liquid separation device for water treatment

Technical Field

The utility model relates to a solid-liquid separation technical field, more specifically say, relate to a solid-liquid separation equipment for water treatment.

Background

It is known that when industrial or domestic media are subjected to solid-liquid separation, solid components or liquid components in a filter medium need to be filtered out, so that the effect of solid-liquid separation is achieved. For example, in the sewage treatment process of a sewage plant, sediment and water need to be separated by adopting a sedimentation or filter pressing mode, so as to realize sludge dewatering and concentration.

At present, filtration separation is mostly realized for large-scale equipment such as a sedimentation system or a filter press on the market, the external dimension is large, the occupied installation space is large, the equipment cost is high, the efficiency is low, and the large-scale application cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a solid-liquid separation equipment for water treatment has realized water treatment facilities's miniaturization, has improved work efficiency, has reduced manufacturing cost.

The utility model provides a solid-liquid separation device for water treatment, which comprises a rotary drum and a squeezing screw rod arranged inside the rotary drum, wherein the squeezing screw rod is provided with an inner cavity, the squeezing screw rod is provided with a discharge hole, the inner cavity is provided with a feed pipe used for conveying a solid-liquid mixture to be separated to the inner cavity, two ends of the rotary drum are respectively provided with a liquid discharge port and a solid slag discharge port, the liquid discharge port is arranged at a material input end, and the solid slag discharge port is arranged at a discharge end; the differential mechanism is used for providing rotating force for the rotary drum and the pressing screw rod so as to enable the rotary drum and the pressing screw rod to rotate in the same direction at high speed.

Preferably, the drum and the press screw are made of 304 stainless steel, 316 stainless steel, duplex stainless steel or ceramic composite material.

Preferably, the outer peripheral surfaces of the rotary drum and the pressing screw rod are plated with wear-resistant layers.

Preferably, a scraping plate for scraping off the attachments on the inner wall of the rotary drum is mounted on the spiral blade of each of the pressing spiral rods.

Preferably, the slag scraping plate and the helical blade are detachably mounted through bolts.

Preferably, the rotary drum is provided with a cleaning hole, and a dustproof cover is arranged at the cleaning hole.

Preferably, the rotary drum is provided with an observation window.

The utility model provides a solid-liquid separation equipment for water treatment, include the rotary drum and locate the inside hob of squeezing of rotary drum, it is equipped with the inner chamber to squeeze the hob, install the inlet pipe in the inner chamber, treat the outside and filter the material and carry to squeezing the hob inner chamber through the inlet pipe in, get into in the rotary drum after accelerating, under the effect of high-speed centrifugal force, on the one hand, the solid matter deposit among the filtration material forms the sediment layer on the rotary drum inner wall, squeeze the hob in carrying out the screw motion, constantly propelling movement to the rotary drum front end forward with the solid-state material of deposit, finally discharge by row's cinder notch, on the other hand, liquid among the filtration material then constitutes the liquid ring of inlayer, discharge by the terminal flowing back department of rotary drum, the solid-liquid separation who filters the material has been. Compare in the settling equipment or the filter pressing equipment among the prior art, the solid-liquid separation equipment for water treatment that this application provided, simple structure is compact, and appearance structure is small and exquisite, does not occupy installation space, and easy operation is convenient, can realize the automatic continuous filtration operation of filtering the material, and filtration efficiency is high, and is effectual, and low in production cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a solid-liquid separation device for water treatment provided by the utility model.

Wherein, 1-rotary drum, 2-squeezing screw rod, 3-feeding pipe, 4-differential mechanism;

11-a liquid discharge port, 12-a solid slag discharge port and 21-a discharge hole.

Detailed Description

The core of the utility model is to provide a solid-liquid separation equipment for water treatment, its simple structure, the appearance is compact, occupation space not, the simple operation, filtration efficiency is high, and is effectual, low in production cost has realized the online automation of filtering the material and has filtered the operation.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a solid-liquid separation device for water treatment according to the present invention.

The utility model provides a solid-liquid separation equipment for water treatment, mainly used water treatment, liquid phase clarification and mud separation, including rotary drum 1, squeeze hob 2, inlet pipe 3 and differential mechanism 4. Wherein, rotary drum 1 is the tubbiness structure, squeeze hob 2 and locate inside rotary drum 1, its outer wall welding helical blade, rotary drum 1 and squeeze hob 2 are connected respectively to differential mechanism 4's two power motor, provide the syntropy turning force to rotary drum 1 and squeeze hob 2 respectively, so that rotary drum 1 with squeeze hob 2 syntropy and rotate, 1 rotational speed of rotary drum is greater than and squeezes 2 rotational speeds of hob, squeeze 2 inside circular cross section inner chambers that are equipped with of hob, inlet pipe 3 is installed to the inner chamber, realize sealing through the sealing member between the discharge end of inlet pipe 3 and the inner chamber wall of squeezing hob 2, in order to avoid solid-liquid mixture to get into the dead zone between inlet pipe 3 and the 2 inner chambers of squeezing hob, and then improve the filter effect.

The side wall of the squeezing screw rod 2 is also provided with discharge holes 21, the number of the discharge holes 21 can be one, two or more, the discharge hole 21 is communicated with the inner cavity of the pressing screw rod 2 and the cavity of the rotary drum 1, the solid-liquid mixture input by the feed pipe 3 is accelerated by the pressing screw rod 2 and then discharged from the discharge hole 21 to the inside of the cavity of the rotary drum 1, the front end and the rear end of the rotary drum 1 are respectively provided with a liquid discharge port 11 and a solid slag discharge port 12, the liquid discharge port 11 is arranged at the material input end of the rotary drum 1 (namely the front end of the rotary drum 1), the solid slag discharge port 12 is arranged at the rear end of the rotary drum 1, in the high-speed rotation of the rotary drum 1, the heavier solid matters are deposited on the inner wall of the rotary drum 1 to form a slag settling layer, the solid matters are continuously pushed forward by the helical blades on the pressing screw rod 2, and finally the solid matters are discharged from the solid slag discharging port 12 to the outside of the rotary drum 1, so that the discharge of the solid matters is realized; the lighter liquid forms an inner liquid ring and is discharged from a liquid discharge port 11 at the tail end of the rotary drum 1, so that the liquid is discharged. The solid-liquid separation is realized through the process, and the separation effect can be ensured by controlling the rotating speed.

The utility model discloses a differential mechanism 4 realizes rotary drum 1 and the differential syntropy rotation of squeezing hob 2, realizes solid-liquid separation in rotatory and helical blade's promotion, compact structure, and the appearance is small and exquisite, and is efficient, and it is complicated to have solved traditional water treatment facilities structure, and appearance structure is huge, the problem of inefficiency, has reduced the water treatment cost.

It is understood that in order to prevent the drum 1 and the press screw 2 from being rusted due to the long-term immersion in water, the drum 1 and the press screw 2 may be made of 304 stainless steel, 316 stainless steel, duplex stainless steel, or a ceramic composite material.

Further, a wear-resistant layer may be plated on the outer circumferential surfaces of the drum 1 and the press screw 2, thereby increasing the wear resistance of the drum 1 and the press screw 2 and prolonging the service life thereof.

On the basis of the above-described embodiment, in order to avoid the adhesion of the solid matter on the inner wall of the rotary drum 1, a scraper, preferably in a plate-like structure, may be installed on the spiral blade of the press screw 2, and the scraping surface thereof is disposed parallel to the inner wall of the rotary drum 1, and the adhered matter on the inner wall of the rotary drum 1 is scraped off as the axis of the press screw 2 advances.

In order to facilitate the installation and the disassembly of the scraper, the scraper and the helical blade are detachably installed through the bolts, so that when the scraper cannot be continuously used due to abrasion or breakage failure, the scraper can be detached and replaced through the disassembly bolts, and other parts can still be continuously used, so that the production cost is saved.

In addition, for convenient washing to 1 inside of rotary drum, can set up the purge hole on 1 outer wall of rotary drum to install the shield additional in purge hole department, so, the staff can be followed the outside through opening the shield and cleaned and maintain 1 insidely of rotary drum, make to clean the maintenance more convenient.

Furthermore, an observation port can be formed in the rotary drum 1, an observation window is arranged at the observation port, the observation window is well sealed with the rotary drum 1, and workers can observe the operation and solid-liquid separation conditions of the squeezing screw rod 2 through the observation window, so that abnormal conditions can be eliminated in time.

The solid-liquid separation device for water treatment provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (7)

1. The solid-liquid separation device for water treatment is characterized by comprising a rotary drum (1) and a squeezing screw rod (2) arranged in the rotary drum (1), wherein the squeezing screw rod (2) is provided with an inner cavity, the squeezing screw rod (2) is provided with a discharge hole (21), the inner cavity is provided with a feeding pipe (3) for conveying a solid-liquid mixture to be separated to the inner cavity, two ends of the rotary drum (1) are respectively provided with a liquid discharge port (11) and a solid slag discharge port (12), the liquid discharge port (11) is arranged at a material input end, and the solid slag discharge port (12) is arranged at a discharge end; and the differential mechanism (4) is used for providing rotating force for the rotary drum (1) and the press screw rod (2) so as to enable the rotary drum (1) and the press screw rod (2) to rotate in the same direction at high speed.

2. The solid-liquid separation device for water treatment according to claim 1, wherein the rotary drum (1) and the press screw (2) are each made of 304 stainless steel, 316 stainless steel, duplex stainless steel, or a ceramic composite material.

3. The solid-liquid separation device for water treatment according to claim 2, wherein outer peripheral surfaces of the drum (1) and the press screw (2) are coated with an abrasion resistant layer.

4. The solid-liquid separation device for water treatment according to any one of claims 1 to 3, wherein a scraper for scraping off deposits on the inner wall of the rotary drum (1) is attached to the screw blade of each of the pressing screw rods (2).

5. The solid-liquid separation device for water treatment according to claim 4, wherein the scraper and the helical blade are detachably attached by bolts.

6. The solid-liquid separation device for water treatment as claimed in claim 5, wherein the rotary drum (1) is provided with a cleaning hole, and a dust cover is installed at the cleaning hole.

7. A solid-liquid separation device for water treatment according to claim 6, characterized in that an observation window is installed on the rotary drum (1).

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