CN210340410U

CN210340410U - Environment-friendly sewage deoiling device

Info

Publication number: CN210340410U
Application number: CN201920338491.9U
Authority: CN
Inventors: 刘国田; 史俊瑞; 范北平
Original assignee: Weifang Jinsida Environment Engineering Co ltd
Current assignee: Weifang Jinsida Environment Engineering Co ltd
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-04-17
Anticipated expiration: 2029-03-18

Abstract

The utility model discloses a sewage environment-friendly deoiling device, which comprises a box body, wherein a floating ball floats in the box body, the lower part of the floating ball is connected with a balancing weight, a high oil level detection switch and a low oil level detection switch are arranged on the upper part of the floating ball, an oil inlet channel and an oil outlet channel are arranged in the floating ball, and an intermediate channel is arranged between the oil inlet channel and the oil outlet channel; the oil inlet channel and the oil outlet channel are respectively provided with an oil inlet and an oil outlet which are positioned at the top of the floating ball, the oil outlet is connected with an oil suction hose, and the oil suction hose is connected with an oil suction pump; an oil inlet check device is arranged in the oil inlet channel; the utility model utilizes the balancing weight, the floating ball can not generate obvious shaking, can synchronously lift along with the liquid level, and can not cause the triggering of error signals; the high oil level detection switch and the low oil level detection switch can provide signals when different liquid level differences exist, and the single oil absorption amount and the oil absorption time of the oil absorption pump are prolonged; the oil inlet is an oil suction port with an upward opening, so that self-filling oil suction can be formed, and oil can be prevented from flowing backwards through the oil inlet check device after oil suction is finished.

Description

Environment-friendly sewage deoiling device

Technical Field

The utility model relates to an environmental protection equipment technical field especially relates to a sewage environmental protection deoiling device.

Background

The sewage of occasions such as mill, resident, restaurant often contains the greasy dirt, the greasy dirt can follow sewage and discharge into sewer pipe together, because the adhesion of greasy dirt itself is higher, very easily adhere to and form the oil reservoir on sewer pipe's inner wall, and in long-time sewage transportation process, adsorb more greasy dirt and impurity and form thick oil block, this kind of oil block has reduced sewer pipe's water flowing area, the oil block is very easily adhered to lines, the silk rope, material such as vegetable fibre, make very easily appear blockking up in the sewer pipe, so need one kind can carry out preliminary oil water separation's device to oily sewage and reduce above-mentioned condition and take place.

The invention discloses a technical scheme as the patent application with the application number of '201710689215.2' named as 'an automatic oil absorption sewage environmental protection separation device', and the specific content is as follows: the vertical guide rod is utilized to enable the floating block to fluctuate along with the water level, the top of the floating block is provided with a liquid level switch and an oil suction pipe, and when an oil layer becomes thick and overflows the top of the floating block, the liquid level switch triggers a signal and controls oil suction, so that the aim of deoiling sewage is fulfilled.

The above structure has some problems in use: (1) sewage in the box body is supplied by a water inlet pipeline, water in the box body is in a disordered motion state, the floating block can irregularly rock under the disordered impact of water flow, and the floating block is extremely easy to clamp with the guide rod and cannot smoothly float upwards, so that the liquid level switch sends out an error signal; (2) the oil suction pipe is positioned above the floating block, so that the oil suction pipe is prevented from sucking water when oil is sucked, a certain height difference exists between the oil suction pipe and the liquid level of the water layer, when the oil layer is thin, the oil body in the oil suction pipe is easy to return and becomes an empty pipe, when the oil layer is thickened to be close to the liquid level switch to be triggered, the oil suction pipe only approaches the oil layer at the pipe opening or is just inserted into the oil layer, gas still exists in the pipe, and the oil suction pump can not suck oil smoothly; (3) the liquid level switch triggers when the greasy dirt reaches certain liquid level, and the greasy dirt liquid level descends after the oil absorption, and liquid level switch founds the horse stop signal, and the oil suction pump stops the oil pumping, and this process is very brief, and oil absorption is also less, and this a small amount of oil body of siphoning off can be replenished once more soon, and the oil suction pump is opened and shut down by liquid level switch control very soon again, and the phenomenon that frequently opens and shut down can appear in the oil suction pump like this, seriously influences the life of oil suction pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a reduce oil suction pump and open and stop the number of times, improve oil suction pump life, the oil absorption is smooth and can not the sewage environmental protection deoiling device of error signal appears.

In order to solve the technical problem, the technical scheme of the utility model is that: the environment-friendly sewage deoiling device comprises a box body, wherein the box body is connected with a water inlet pipe, a floating ball floats in the box body, the lower part of the floating ball is connected with a balancing weight, a high oil level detection switch and a low oil level detection switch are installed at the upper part of the floating ball, an oil inlet channel and an oil outlet channel are arranged in the floating ball, and a middle channel is arranged between the oil inlet channel and the oil outlet channel; the oil inlet channel and the oil outlet channel are respectively provided with an oil inlet and an oil outlet which are positioned at the top of the floating ball, the oil outlet is connected with an oil suction hose, the oil suction hose is connected with an oil suction pump, and the high oil level detection switch and the low oil level detection switch control the oil suction pump; an oil inlet check device is arranged between the oil inlet and the middle channel in the oil inlet channel; and an automatic drainage device is arranged on the box body.

As a preferred technical scheme, the oil inlet non-return device comprises a non-return sealing ball installed in the oil inlet channel, a non-return sealing step is arranged in the oil inlet channel close to the oil inlet, and a non-return force application spring driving the non-return sealing ball to move towards the non-return sealing step is installed in the oil inlet channel.

As a preferred technical scheme, the automatic drainage device comprises a drainage pipe arranged at the bottom of the box body, and a drainage valve is arranged on the drainage pipe; and a liquid level detector is arranged in the box body and controls the drain valve.

The inside of the box body is divided into an oil removing chamber and a water discharging chamber by a box clapboard, and the lower part of the box clapboard is provided with a water discharging communication port for communicating the oil removing chamber and the water discharging chamber; the deoiling chamber is connected with the water inlet pipe, the floating ball floats in the deoiling chamber, and the drainage chamber is provided with the automatic drainage device.

As a preferable technical scheme, the high oil level detection switch and the low oil level detection switch are both electronic liquid level switches.

By adopting the technical scheme, the environment-friendly sewage deoiling device comprises a box body, wherein the box body is connected with a water inlet pipe, a floating ball floats in the box body, the lower part of the floating ball is connected with a balancing weight, a high oil level detection switch and a low oil level detection switch are installed at the upper part of the floating ball, an oil inlet channel and an oil outlet channel are arranged in the floating ball, and a middle channel is arranged between the oil inlet channel and the oil outlet channel; the oil inlet channel and the oil outlet channel are respectively provided with an oil inlet and an oil outlet which are positioned at the top of the floating ball, the oil outlet is connected with an oil suction hose, the oil suction hose is connected with an oil suction pump, and the high oil level detection switch and the low oil level detection switch control the oil suction pump; an oil inlet check device is arranged between the oil inlet and the middle channel in the oil inlet channel; the box body is provided with an automatic drainage device; the utility model utilizes the balancing weight at the lower part of the floating ball, when being impacted by water flow, the floating ball can not obviously shake due to the pull-down action of the balancing weight, can synchronously lift along with the liquid level, and can not cause the triggering of error signals; the high oil level detection switch and the low oil level detection switch can provide signals when the liquid level difference is different, the single oil absorption amount and the oil absorption time of the oil suction pump are prolonged, the starting and stopping times of the oil suction pump are reduced, and the service life of the oil suction pump is prolonged; the oil suction hose passes through the oil outlet channel, the middle channel and the oil inlet channel, the oil inlet is an oil suction opening with an upward opening, after the oil layer overflows the floating ball, self-filling oil suction can be formed, oil suction is smooth, after oil suction is finished, oil can be prevented from flowing backwards through the oil inlet check device, oil body connection in the pipe can be smoothly formed when oil suction is performed next time, and oil suction action is very smooth.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

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

fig. 2 is an enlarged schematic structural view of the floating ball of the embodiment of the present invention.

In the figure: 1-a box body; 11-tank baffles; 12-a drain communication port; 13-a drain pipe; 14-a drain valve; 15-a liquid level detector; 16-deoiling chamber; 17-a drainage chamber; 2-water inlet pipe; 3-floating ball; 31-upper hemispherical shell; 311-oil diffusion plane; 32-lower hemispherical shell; 33-an oil inlet channel; 34-a middle channel; 35-an oil outlet channel; 36-high oil level detection switch; 37-low oil level detection switch; 38-oil inlet; 4-a balancing weight; 5-an oil suction hose; 6-oil inlet check device; 61-check sealing ball; 62-a non-return sealing step; 63-reverse stopping force application spring.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, exemplary embodiments of the invention are described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1 and 2, the sewage environment-friendly deoiling device comprises a box body 1, wherein the box body 1 is connected with a water inlet pipe 2, and the water inlet pipe 2 is a pipeline for supplying oily sewage into the box body 1.

The floating ball 3 floats in the box body 1, the lower part of the floating ball 3 is connected with the balancing weight 4, the floating ball 3 is shown to be a hollow floating ball in the embodiment, the material can be plastic with density larger than that of water or corrosion-resistant alloy and the like, and the volume of the inner cavity of the floating ball 3 is designed according to different materials. The balancing weight 4 is used for stabilizing the gravity center of the floating ball 3 and preventing the floating ball 3 from rolling due to water flow impact. The balancing weight 4 can be a corrosion-resistant alloy block welded on the head of the bolt and then installed on the bottom of the floating ball 3 together in a threaded manner, or a fixed-weight stone block connected to the bottom of the floating ball 3 through a rope.

A high oil level detection switch 36 and a low oil level detection switch 37 are installed on the upper portion of the float ball 3, a floating oil level 311 is installed on the top of the float ball 3, the floating oil level 311 is in a horizontal state when the float ball 3 floats on the liquid surface at rest, and the high oil level detection switch 36 and the low oil level detection switch 37 are installed on the floating oil level 311. In this embodiment, the high oil level detection switch 36 and the low oil level detection switch 37 are both electronic liquid level switches, but may also be liquid level switches of other forms, and the difference between the two types of liquid level switches mainly lies in the difference in height, so that liquid levels of different heights can be measured.

An oil inlet channel 33 and an oil outlet channel 35 are arranged in the floating ball 3, and a middle channel 34 is arranged between the oil inlet channel 33 and the oil outlet channel 35. In this embodiment, the floating ball 3 is mainly divided into three parts, the housing of the floating ball 3 is divided into an upper part and a lower part, that is, the floating ball 3 is divided into an upper hemispherical shell 31 and a lower hemispherical shell 32, the mouth parts of the upper hemispherical shell 31 and the lower hemispherical shell 32 are respectively and integrally formed with flanges facing outward, the flanges are correspondingly provided with bolt holes, and the upper hemispherical shell 31 and the lower hemispherical shell 32 are hermetically fixed to the floating ball 3 through fastening bolts, so that the floating ball 3 is made of plastic or corrosion-resistant alloy material with density greater than that of water and can be simultaneously and conveniently integrally formed. The upper half parts of the oil inlet channel 33 and the oil outlet channel 35 and the upper hemispherical shell 31 are integrally formed, the lower half parts of the oil inlet channel 33 and the oil outlet channel 35 and the middle channel 34 are integrally formed, and the integral forming is consistent with that of the upper hemispherical shell 31. The oil inlet channel 33 and the oil outlet channel 35 are respectively integrally formed with flanges at respective butt joints, and the sealing fixation is realized into a whole in the same sealing fixation mode as the floating ball 3. When the floating ball type oil pump is installed, the oil inlet channel 33 and the oil outlet channel 35 are fixed on the upper hemispherical shell 31 into a whole, and then the floating ball 3 is fixed into a whole. Therefore, the whole structure of the floating ball 3 can be realized through three structures which are respectively integrally formed, and the structure is simple.

The oil inlet channel 33 and the oil outlet channel 35 are respectively provided with an oil inlet 38 and an oil outlet which are located at the top of the floating ball 3, and both the oil inlet 38 and the oil outlet are located on the oil diffusion plane 311 in this embodiment. The oil outlet is connected with an oil suction hose 5, the oil suction hose 5 and the oil outlet can be connected by threads or by a hose joint, and the connection modes are the prior art well known to those skilled in the art and are not described herein again.

The oil suction hose 5 is connected with an oil suction pump, and the high oil level detection switch 36 and the low oil level detection switch 37 control the oil suction pump. The present embodiment controls the oil suction pump by the integrated signals of the high oil level detection switch 36 and the low oil level detection switch 37. Of course, a controller is connected between the high oil level detection switch 36 and the low oil level detection switch 37 and the oil suction pump, and the controller and the oil suction pump are well known and commonly used technologies, and are not described in detail and not shown in the drawings.

An oil inlet check device 6 is arranged between the oil inlet 38 and the middle channel 34 in the oil inlet channel 33; the oil inlet non-return device 6 comprises a non-return sealing ball 61 installed in the oil inlet channel 33, a non-return sealing step 62 is arranged in the oil inlet channel 33 close to the oil inlet 38, and a non-return force application spring 63 driving the non-return sealing ball 61 to move towards the non-return sealing step 62 is installed in the oil inlet channel 33. The contrary sealed step 62 that ends is the toper shape of necking down gradually from inside to outside, works as like this the contrary application of force spring 63 will the contrary ball sealer 61 that ends orders about when the sealed step 62 department that ends, and the leakproofness is better. The reverse-stopping sealing ball 61 can isolate the oil inlet passage 33 from an external oil layer under the independent action of the reverse-stopping force application spring 63.

An automatic drainage device is arranged on the box body 1, the automatic drainage device comprises a drainage pipe 13 arranged at the bottom of the box body 1, and a drainage valve 14 is arranged on the drainage pipe 13; a liquid level detector 15 is arranged in the box body 1, and the liquid level detector 15 controls the drain valve 14. The liquid level detector 15 is also a liquid level switch, and when the interior of the box body 1 reaches a certain height, the liquid level detector 15 triggers a signal, and the controller controls the drain valve 14 to drain water. Of course, the liquid level detector 15 may be set to be a high level detector and a low level detector, the high level detector is used for triggering a signal for opening the drain valve 14, and the low level detector is used for triggering a signal for closing the drain valve 14.

In the present embodiment, the inside of the tank body 1 is divided into the oil removing chamber 16 and the water discharging chamber 17 by the tank partition plate 11, and the lower portion of the tank partition plate 11 is provided with the water discharging communication port 12 for communicating the oil removing chamber 16 and the water discharging chamber 17, so that the oil removing chamber 16 and the water discharging chamber 17 form a communicating vessel structure. The degreasing chamber 16 is connected with the water inlet pipe 2, the floating ball 3 floats in the degreasing chamber 16, and the drainage chamber 17 is provided with the automatic drainage device. Since the water is located at the lower part, only the water can be led into the drainage chamber 17, so that the oil body can be locked in the oil removing chamber 16, and the oil body can not be discharged. The sewage discharged from the drain pipe 13 can enter the sewer pipeline.

The working principle of the embodiment is as follows: the water inlet pipe 2 discharges oily sewage into the degreasing chamber 16, oil and water are separated due to the fact that oil and water are insoluble and the density of the oil is smaller than that of water, an oil layer is located at the upper part, a water layer is located at the lower part, water of the water layer simultaneously enters the drainage chamber 17 through the drainage communication port 12, and the liquid levels in the two chambers are synchronously raised; the floating ball 3 floats in the oil removing chamber 16, the balancing weight 4 can ensure that the floating ball 3 cannot roll due to water flow impact, and meanwhile, the floating ball 3 can smoothly lift along with the liquid level without being bound by other acting force, so that false signal triggering cannot be caused; after the continuous oil-containing sewage is supplied, the oil body of the oil layer is increased, the oil layer is thickened and finally overflows the oil overflowing plane 311, the low oil level detection switch 37 triggers a signal first, the oil suction pump does not act, after the oil layer is continuously thickened and the high oil level detection switch 36 triggers the signal again, the oil suction pump is controlled to be started through two signals, and during the period, due to the stabilizing effect of the balancing weight 4, the triggering of the low oil level detection switch 37 and the triggering of the high oil level detection switch 36 are stable, and the condition that an error signal is triggered can not occur; the negative pressure action of the oil suction pump overcomes the spring force of the non-return force application spring 63, so that the non-return sealing ball 61 is separated from the non-return sealing step 62, the oil inlet channel 33 is integrally communicated, and oil passes through the oil inlet 38 on the oil diffusion plane 311 under the self-priming action and the oil suction pump negative pressure action and sequentially passes through the oil inlet 38, the oil inlet channel 33, the middle channel 34, the oil outlet channel 35 and the oil suction hose 5 to be sucked away; the oil layer becomes thinner gradually, the high oil level detection switch 36 and the low oil level detection switch 37 stop outputting signals successively, and after both signals disappear, the controller controls the oil suction pump to stop, so that the oil suction pump can suck the oil layer with a certain thickness at one time, and the starting and stopping times can be reduced; after the oil suction pump is stopped, the negative pressure action disappears, the non-return sealing ball 61 isolates the inside of the oil inlet channel 33 and the outside oil layer again under the action of the non-return force application spring 63, oil bodies cannot flow back, and when the oil suction pump is started next time, the oil bodies stored in the oil inlet channel 33 to the oil suction hose 5 can form more effective negative pressure oil suction immediately, so that the oil suction is very smooth; the liquid level detector 15 can control drainage when the water in the tank body 1 is more, so as to prevent sewage from overflowing the tank body 1.

According to the principle, the floating ball 3 can be preferably immersed into the water layer due to the gravity action of the balancing weight 4, and the average density of the upper hemispherical shell 31 is higher due to more components, so that the average density of the upper hemispherical shell is not less than that of the oil body after reasonable design, and the oil body can normally overflow. The design can be performed by those skilled in the art according to the structural features and the basic technical knowledge in the field, and will not be described in detail herein.

Prior art is compared to this embodiment, has saved the constraint of guide bar, the floater 3 is in can realize under the effect of balancing weight 4 that the body of ball is stable and goes up and down along with the liquid level synchronization, can not cause the false signal to trigger. The oil suction pump is controlled by signals of two oil levels with different heights to increase single oil suction, the starting and stopping times of the oil suction pump are reduced, and the service life of the oil suction pump is prolonged. The oil suction hose 5 can form self-filling water suction by means of the oil inlet 38, the oil inlet check device 6 can be opened under the negative pressure action of the oil suction pump, oil passing is normally realized, the oil suction hose can be isolated and sealed again under the action of spring force when oil suction is stopped, backflow of oil bodies can be effectively prevented, and when oil is sucked again, the oil inlet channel 33 can form more effective negative pressure oil suction immediately after the oil bodies stored in the oil suction hose 5, so that oil suction is very smooth.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Sewage environmental protection deoiling device, including the box, the box is connected with inlet tube, its characterized in that: a floating ball floats in the box body, the lower part of the floating ball is connected with a balancing weight, a high oil level detection switch and a low oil level detection switch are mounted at the upper part of the floating ball, an oil inlet channel and an oil outlet channel are arranged in the floating ball, and a middle channel is arranged between the oil inlet channel and the oil outlet channel; the oil inlet channel and the oil outlet channel are respectively provided with an oil inlet and an oil outlet which are positioned at the top of the floating ball, the oil outlet is connected with an oil suction hose, the oil suction hose is connected with an oil suction pump, and the high oil level detection switch and the low oil level detection switch control the oil suction pump; an oil inlet check device is arranged between the oil inlet and the middle channel in the oil inlet channel; and an automatic drainage device is arranged on the box body.

2. The sewage environment-friendly deoiling device as claimed in claim 1, characterized in that: the oil inlet non-return device comprises a non-return sealing ball arranged in the oil inlet channel, a non-return sealing step is arranged in the oil inlet channel close to the oil inlet, and a non-return force application spring for driving the non-return sealing ball to move towards the non-return sealing step is arranged in the oil inlet channel.

3. The sewage environment-friendly deoiling device as claimed in claim 1, characterized in that: the automatic drainage device comprises a drainage pipe arranged at the bottom of the box body, and a drainage valve is arranged on the drainage pipe; and a liquid level detector is arranged in the box body and controls the drain valve.

4. The sewage environment-friendly deoiling device as claimed in claim 1, characterized in that: the inside of the box body is divided into a degreasing chamber and a drainage chamber by a box clapboard, and the lower part of the box clapboard is provided with a drainage communication port for communicating the degreasing chamber with the drainage chamber; the deoiling chamber is connected with the water inlet pipe, the floating ball floats in the deoiling chamber, and the drainage chamber is provided with the automatic drainage device.

5. The environmentally friendly sewage deoiling unit of any one of claims 1 to 4, further comprising: the high oil level detection switch and the low oil level detection switch are electronic liquid level switches.