CN220850053U

CN220850053U - Oil-water separation pump for domestic sewage treatment

Info

Publication number: CN220850053U
Application number: CN202322500063.0U
Authority: CN
Inventors: 钱存依; 王其吉
Original assignee: Ningbo Yonghong Environmental Protection Technology Co ltd
Current assignee: Ningbo Yonghong Environmental Protection Technology Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-26
Anticipated expiration: 2033-09-14

Abstract

The application discloses an oil-water separation pump for domestic sewage treatment, which belongs to the technical field of water pump equipment and is used for providing an oil-water separation pump for domestic sewage which is difficult to block and has better separation effect. The utility model discloses a length of extension pump body lets domestic sewage become long consuming time through the inside process of pump body, fully raise the temperature, makes the grease that contains in the sewage melt, becomes the texture even, greatly reduced the probability that grease blockked up the passageway to grease and quality of water separation's effect has been guaranteed.

Description

Oil-water separation pump for domestic sewage treatment

Technical Field

The application relates to the technical field of water pump equipment, in particular to an oil-water separation pump for domestic sewage treatment.

Background

The grease contained in the domestic sewage treated by the oil-water separation pump is possibly solid or semisolid at normal temperature, the fluidity of the grease is poor, the blockage of the oil outlet of the pump body is easy to cause, although the grease in the solid or semisolid state is melted by the heat generated by the friction between fluid and the impeller after the oil-water separation pump works for a long time, the time for sewage to pass through is relatively short, the temperature of the sewage entering the oil-water separation pump is also relatively low, the liquidization of the grease is not ideal, the temperature of the grease discharged by the separation pump is not high, the grease is solidified again quickly, then a conveying pipeline is blocked, the newly collected grease is difficult to be discharged by the separation pump along with the water quality to be discharged from a water outlet, and the oil-water separation effect is poor.

Disclosure of Invention

The application aims to provide an oil-water separation pump for domestic sewage, which is not easy to block and has better separation effect.

In order to achieve the above purpose, the application provides an oil-water separation pump for domestic sewage treatment, which comprises: the electric heating device comprises a pump body and a motor, wherein the pump body is provided with a long cylindrical shell, a main shaft is rotationally connected to the shell, the end part of the main shaft extends out of the shell and is connected with an output shaft of the motor, one end of the shell is provided with a sewage inlet end, the other end of the shell is provided with a water outlet end and an oil outlet end, a part of the shell between the two ends is provided with an auxiliary heat cover, an electric heating rod is arranged in the auxiliary heat cover, a temperature sensor is arranged on the inner wall of the shell, a processor is arranged outside the shell and is suitable for being electrically connected with the electric heating rod and the temperature sensor, and heating power of the electric heating rod is controlled through temperature feedback.

As one preferable mode, the auxiliary heat cover is made of metal materials, a plurality of configuration holes which are distributed around the shaft at equal intervals are formed in the auxiliary heat cover, and the electric heating rods are arranged in the configuration holes, so that the electric heating rods can be conveniently disassembled, assembled and replaced, and can be protected by the auxiliary heat cover.

As one preferable mode, the heat shield is arranged outside the auxiliary heat shield, the heat shield is made of polyurethane hard foam materials, and the heat shield is provided with arc-shaped cavities which are distributed in multiple layers at equal intervals in the radial direction, so that the heat resistance of the heat shield is further improved.

Preferably, the sewage inlet end is fixedly connected to the side surface of the end part of the shell, which is close to the motor, and the opening of the sewage inlet end faces upwards, so that the life to be treated can conveniently enter the pump body.

Preferably, the oil outlet end is fixedly connected to the end part of the shell, which is far away from the motor, and the water outlet end is fixedly connected to the side surface of the end part of the shell, which is far away from the motor, so that grease and water with different densities can be conveniently discharged from different directions, and the arrangement is easier to distribute pipes.

Preferably, the mounting frame is arranged below the pump body, and comprises a pair of support plates fixedly connected with the housing, and a bridging plate is fixedly connected between the two support plates and used for keeping stability between the two support plates.

Preferably, the auxiliary heat shield and the heat insulation sleeve are positioned between the two supporting plates, and play a role in shielding and further protecting the auxiliary heat shield, so that external objects are less likely to contact the part between the two raised supporting plates.

Preferably, the support plate is fixedly connected with extension plates which are flush with the bottom surface on the opposite side surfaces, and the extension plates are provided with a plurality of counter bores for connecting pieces such as bolts to pass through so as to fix the whole mounting frame and the pump body on the mounting surface.

Compared with the prior art, the application has the beneficial effects that:

(1) By lengthening the length of the pump body, the time consumption of the domestic sewage in the process of passing through the inside of the pump body is prolonged, the temperature is sufficiently increased, the grease contained in the sewage is melted, the texture is uniform, the probability of blocking a channel by the grease is greatly reduced, and the effect of separating the grease from water is ensured;

(2) Through set up auxiliary structure outside the pump body to dispose temperature sensor in the pump body, can let the sewage temperature through the pump body be in a higher within range, even the grease discharge separation pump also can keep the liquid that mobility is good in longer time, further reduced the probability that follow-up oil pipeline was blocked up, improved oil water separation job stabilization nature and reliability.

Drawings

FIG. 1 is a perspective view of the whole construction of an oil-water separation pump for domestic sewage treatment;

FIG. 2 is a perspective view of a pump body of the oil-water separation pump for treating domestic sewage and a matched structure thereof;

FIG. 3 is a configuration diagram of a pump body of the oil-water separation pump for domestic sewage treatment on a mounting frame;

fig. 4 is a schematic perspective view of a pump body of the oil-water separation pump for treating domestic sewage;

FIG. 5 is a perspective cross-sectional view of the auxiliary heat shield and the heat shield sleeve of the oil-water separation pump for treating domestic sewage connected with the mounting frame;

FIG. 6 is a perspective cross-sectional view of the auxiliary heat shield and the heat insulation sleeve of the oil-water separation pump for treating domestic sewage;

fig. 7 is a partial enlarged view of a portion of fig. 6 of the oil-water separation pump for domestic sewage treatment.

In the figure: 1. a motor; 2. a pump body; 201. a housing; 202. a main shaft; 203. a water outlet end; 204. an oil outlet end; 205. a sewage inlet end; 3. an auxiliary heat shield; 301. a hole is arranged; 302. an electric heating rod; 4. a heat insulating sleeve; 401. an arc-shaped cavity; 5. a mounting frame; 501. a bridging plate; 502. a support plate; 503. an extension plate; 504. and (5) countersinking.

Detailed Description

The present application will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present application that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The oil-water separation pump for domestic sewage treatment shown in fig. 1-7 comprises a pump body 2 and a motor 1 which are in transmission connection, wherein the pump body 2 is provided with a long cylindrical shell 201, the shell 201 is obviously longer along the axial direction, the shell 201 is generally horizontally arranged along the axial direction, a main shaft 202 is rotationally connected with the shell 201, the part of the main shaft 202 positioned in the shell 201 is fixedly connected with a coaxial impeller structure for pushing fluid in the shell 201 and generating centrifugal force, the blade inclination angle of the impeller structure is smaller, so that even if the rotating speed is very high, the flow velocity of the fluid in the shell 201 is not too high, the end part of the main shaft 202 extends out of the shell 201 and is connected with the output shaft of the motor 1, the main shaft 202 is driven by the motor 1 to rotate at a high speed, one end of the shell 201 is provided with a sewage inlet end 205, the other end is provided with a water outlet end 203 and an oil outlet end 204, under normal conditions, the sewage inlet end 205 is fixedly connected to the side surface of the end, close to the motor 1, of the shell 201, the opening of the sewage inlet end 205 faces upwards, domestic sewage is conveniently poured into the shell 201, the oil outlet end 204 is fixedly connected to the end, far away from the motor 1, of the shell 201, the water outlet end 203 is fixedly connected to the side surface of the end, far away from the motor 1, of the shell 201, and because grease is less dense than water, fluid rotating at a high speed in the shell 201 can throw water with higher density to the inner wall of the shell 201 under the action of centrifugal force, and the water is discharged from the water outlet end 203 which is also positioned on the side wall; while less dense grease is forced to remain in the space near the axis of the housing 201 and is discharged from the similarly centrally located discharge end 204.

The part of shell 201 between both ends is provided with supplementary heat cover 3, supplementary heat cover 3 is long straight bar cylindric too, along axis direction size obviously bigger, be provided with electric heat stick 302 in the supplementary heat cover 3, be used for producing extra heat, supplementary heat cover 3 adopts metal material to make, be convenient for carry out heat conduction to shell 201, supplementary heat cover 3 has been seted up a plurality of configuration holes 301 of arranging around the axle equidistance, electric heat stick 302 sets up in configuration hole 301, make things convenient for the dismouting, supplementary heat cover 3 is provided with insulating jacket 4 outward, insulating jacket 4 adopts polyurethane rigid foam material to make, it has not only good thermal insulation effect, can also play the efficiency such as fire prevention, waterproof, and the arc cavity 401 that the multilayer equidistance was arranged has still been seted up in radial direction to the insulating jacket 4, the inside position air of arc cavity 401 or encapsulation have carbon dioxide, even if supplementary heat cover 3 and pump body 2 have already very hot, still can direct contact the surface of insulating jacket 4, the work is difficult for being scalded by the oil-water separation pump in the work, the safety in use has been improved effectively.

The below of pump body 2 is provided with mounting bracket 5 for keep the stability of pump body 2, mounting bracket 5 includes a pair of backup pad 502 with shell 201 fixed connection, fixedly connected with bridging plate 501 between two backup pads 502, keep the relative stability of backup pad 502, assist hot cover 3 and insulating sheath 4 to be located between two backup pads 502, bellied backup pad 502 can shelter from and assist hot cover 3 and insulating sheath 4, further reduce the probability of assisting hot cover 3 by the striking, backup pad 502 is in the extension board 503 of the side fixedly connected with of opposite sides and bottom surface parallel and level, a plurality of counter bores 504 have been seted up on the extension board 503, supply connecting pieces such as bolt to pass to fix whole mounting bracket 5 on placing the face, thereby avoid pump body 2 during operation to float on placing the face owing to the vibration.

Working principle: before oil-water separation, firstly, insoluble impurities in domestic sewage are filtered, and then injected into the pump body 2 through the sewage inlet end 205, a temperature sensor is arranged on the inner wall of the shell 201 and used for directly acquiring the temperature of fluid entering the shell 201, a processor is arranged outside the shell 201 and used for being electrically connected with the electric heating rod 302 and the temperature sensor, the processor can acquire temperature data of the temperature sensor, thereby controlling the heating power of the electric heating rod 302, ensuring that solid grease is completely melted, avoiding equipment damage or heat waste caused by overheating of the pump body 2, generally controlling the temperature to be between 50 and 80 ℃, ensuring that the grease in the sewage can keep good fluidity like water, ensuring that a narrow channel is not easy to block, and the main shaft 202 is required to rotate at a high speed under the driving of the motor 1, the inner cavity of the shell 201 is enabled to rotate through the impeller, so that centrifugal force is generated, the inner wall of the water quality shell 201 with higher density is finally discharged through the water outlet end 203, and the grease with lower density is discharged from the oil outlet end 204 close to a rotation axis, thus realizing high-efficiency separation.

The foregoing has outlined the basic principles, features, and advantages of the present application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.

Claims

1. An oil-water separation pump for domestic sewage treatment, which is characterized in that: including pump body (2) and motor (1), pump body (2) have long cylindric shell (201), shell (201) internal rotation is connected with main shaft (202), the tip of main shaft (202) extends to outside shell (201), with the output shaft of motor (1), the one end of shell (201) is provided with sewage entering end (205), the other end is provided with out water end (203) and play oily end (204), the part of shell (201) between both ends is provided with auxiliary heat cover (3), auxiliary heat cover (3) internal configuration has electric heating rod (302), the inner wall of shell (201) is provided with temperature sensor, be suitable for outside shell (201) with electric heating rod (302) and temperature sensor electric connection.

2. An oil-water separation pump for domestic sewage treatment as claimed in claim 1, wherein: the auxiliary heating cover (3) is made of metal materials, a plurality of configuration holes (301) which are distributed around the shaft at equal intervals are formed in the auxiliary heating cover (3), and the electric heating rods (302) are arranged in the configuration holes (301).

3. An oil-water separation pump for domestic sewage treatment according to claim 2, wherein: the auxiliary heat shield (3) is externally provided with a heat insulation sleeve (4), the heat insulation sleeve (4) is made of polyurethane hard foam materials, and the heat insulation sleeve (4) is provided with a plurality of layers of arc-shaped cavities (401) which are distributed at equal intervals in the radial direction.

4. An oil-water separation pump for domestic sewage treatment as claimed in claim 3, wherein: the sewage inlet end (205) is fixedly connected to the side surface of the end part, close to the motor (1), of the shell (201), and the opening of the sewage inlet end (205) faces upwards.

5. An oil-water separation pump for domestic sewage treatment as claimed in claim 4, wherein: the oil outlet end (204) is fixedly connected to the end part, far away from the motor (1), of the shell (201), and the water outlet end (203) is fixedly connected to the side surface, far away from the end part, far away from the motor (1), of the shell (201).

6. An oil-water separation pump for domestic sewage treatment according to any one of claims 1 to 5, wherein: the pump body (2) is provided with mounting bracket (5) below, mounting bracket (5) include a pair of with backup pad (502) of shell (201) fixed connection, two fixedly connected with bridging board (501) between backup pad (502).

7. An oil-water separation pump for domestic sewage treatment as claimed in claim 6, wherein: the auxiliary heat shield (3) and the heat insulation sleeve (4) are positioned between the two support plates (502).

8. An oil-water separation pump for domestic sewage treatment as claimed in claim 7, wherein: the support plate (502) is fixedly connected with an extension plate (503) which is flush with the bottom surface on the opposite side surfaces, and a plurality of counter bores (504) are formed in the extension plate (503).