CN219558869U - Solid-liquid separation device for decolorized grease - Google Patents

Abstract

The utility model relates to the technical field of grease separation, and discloses a solid-liquid separation device for decolorized grease, which comprises an oil storage barrel, a filter barrel and a pump body, wherein a separation filter element is arranged in the filter barrel, a feeding and inflating pipeline is arranged above the oil storage barrel, a discharge end of the oil storage barrel is connected with the pump body through a connecting pipe, an oil inlet pipe is connected with the upper ends of the discharge end and the separation filter element of the pump body, and an oil discharge pipe is arranged at the bottom of the filter barrel. The utility model has the following advantages and effects: the oil is pumped from the oil storage barrel to the filter barrel through the pump body, and the whole process is protected through nitrogen stamping, so that the novel oil storage barrel has the effects of convenience in use and full nitrogen filling, and can keep the oil fresh.

Description

Solid-liquid separation device for decolorized grease

Technical Field

The utility model relates to the technical field of grease separation, in particular to a solid-liquid separation device for decolorized grease.

Background

In the refining process of DHA and ARA grease, in order to ensure the quality of the grease, the grease is decolorized, various impurities and harmful substances in the grease are removed to ensure that the grease can meet the national standard requirements, and various grease decolorization methods include a membrane decolorization method, a light energy decolorization method, an ultrasonic assisted decolorization method, a thermal decolorization method, an adsorption decolorization method and the like, wherein the adsorption decolorization method is most widely applied in the production process, and clay or activated carbon is generally adopted for decolorization.

The Chinese patent of the utility model with the publication number of CN215939179U discloses a grease solid-liquid separation device, which comprises a closed cover, a separation box and a collection box, wherein the top of the collection box is in threaded connection with the bottom of the separation box, an extrusion assembly is arranged below the closed cover, a plurality of filtering holes are circumferentially distributed on the bottom wall of the separation box, the filtering holes penetrate through the bottom wall of the whole separation box, a rotating motor is arranged in the bottom wall of the separation box, the output end of the rotating motor is connected with a rotating rod, a scraper is fixedly arranged on the lower surface of the rotating rod, a straight groove is further formed in the bottom wall of the separation box in a penetrating manner, a sliding plate is slidably arranged in the straight groove, a sealing plate is connected to the port of the sliding plate close to the side wall of the separation box, the sealing plate is matched with a sealing groove formed in the outer side wall of the separation box, and an oil residue barrel is arranged at the corresponding position of the collection box and the straight groove, so that the device can be conveniently cleaned and grease can be collected.

Although the above-mentioned solid-liquid separation device for oil and fat can effectively separate oil from oil residue in oil and fat, it is necessary to provide a new filtering device for solving the above-mentioned problems because of the fact that the oil and fat are not fresh due to the long filtering time in the prior art.

Disclosure of Invention

The utility model aims to provide a solid-liquid separation device for decolorized grease, which has the effects of convenience in use and full nitrogen charging protection.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a be used for decoloration grease solid-liquid separation device, includes oil storage bucket, filter vat and the pump body, be provided with the separation filter core in the filter vat, oil storage bucket top is provided with feeding and inflation line, oil storage bucket's discharge end passes through connecting pipe and pump body coupling, pump body discharge end is connected with the oil feed pipe with separation filter core upper end, the bottom of filter vat is provided with oil drain pipe.

Through adopting above-mentioned technical scheme, when using, firstly take out negative pressure and be close-0.9 MPa, make the air in the oil storage barrel be replaced, and be convenient for grease more quick injection in the oil storage barrel, grease impact when avoiding the filling is to be strikeed the foam, feed and inflation line through oil storage barrel top, fill the oil storage barrel with grease, then the nitrogen charging pressure boost 3-5kg, make the oxygen in the grease be replaced, nitrogen gas forms nitrogen seal in the headspace of oil storage barrel, the contact of separation oxygen and grease has reached the effect of protecting grease, prevent grease oxidation, take out the grease to the filter vat through the pump body, be equipped with the separation filter core in the filter vat, separate out active carbon or the carclazyte in the grease, finally flow through the oil drain pipe, the grease is filtered, continue keeping nitrogen charging pressure 5kg and blow for a period at feed and inflation line, make the grease that remains in each pipeline fully discharge, take out the grease that filters, decolorize to one process down, accomplish the solid-liquid separation of grease.

The utility model is further provided with: the upper end of the filtering separation filter element is also provided with a return pipe, and the height of the return pipe is lower than that of the oil inlet pipe.

Through adopting above-mentioned technical scheme, through the pump body with grease take out to filtering separation filter core, because the height of back flow is less than the height of advance oil pipe, when the grease in the filter vat fills up, there is the grease in the back flow to spill over, stops the pressure boost of the pump body this moment, the grease condition in the monitoring filter vat of being convenient for.

The utility model is further provided with: the pump body is a nitrogen booster pump.

By adopting the technical scheme, the nitrogen booster pump is easy to adjust, can automatically maintain pressure and keeps the pressure of the loop constant.

The utility model is further provided with: the oil drain pipe is positioned at the bottom of the filter vat.

Through adopting above-mentioned technical scheme, arrange oil pipe and be located the filter vat bottom, the grease in the filter vat of being convenient for flows more fully, and the tubular outflow is convenient for measure.

The beneficial effects of the utility model are as follows:

1. when the oil storage tank is used, negative pressure is pumped to be close to minus 0.9MPa, so that air in the oil storage tank is replaced, grease is conveniently and rapidly injected into the oil storage tank, foam generated by grease impact during filling is avoided, grease is filled into the oil storage tank through a feeding and inflating pipeline above the oil storage tank, then nitrogen is inflated to pressurize 3-5kg, oxygen in the grease is replaced, nitrogen forms nitrogen seal at the top space part of the oil storage tank, contact between the oxygen and the grease is blocked, the effect of protecting the grease and preventing grease from oxidization is achieved, the grease is pumped to a filter tank through a pump body, a separation filter element is arranged in the filter tank, activated carbon or clay in the grease is separated out, finally, grease filtering is completed through an oil discharging pipe, the residual grease in each pipeline is fully discharged after the nitrogen inflation pressure is kept for 5kg continuously in the feeding and inflating pipeline, the filtered grease is pumped to the next procedure, and solid-liquid separation of decolorized grease is completed.

2. The grease is pumped out to the filtering and separating filter core through the pump body, and because the height of the return pipe is lower than that of the oil inlet pipe, when the grease in the filtering barrel is full, the grease in the return pipe overflows, and the pressurization of the pump body is stopped at the moment, so that the grease condition in the filtering barrel is conveniently monitored.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a cross-sectional view of an elevational structure of the present utility model.

Fig. 2 is a schematic view of the structure of the present utility model with the top of the oil storage tank and the filter tank removed.

In the figure, 1, an oil storage barrel; 2. a filter vat; 3. a pump body; 4. a feed and aeration conduit; 5. separating the filter element; 6. an oil inlet pipe; 7. a return pipe; 8. and an oil discharge pipe.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

As shown in fig. 1 and 2, the solid-liquid separation device for decolorizing grease comprises an oil storage barrel 1, a filter vat 2 and a pump body 3, wherein the pump body 3 is a nitrogen booster pump, a feeding and inflating pipeline 4 is arranged above the oil storage barrel 1, the feeding and inflating pipeline 4 is made of stainless steel, and the material is introduced and then is used for nitrogen filling.

The filter vat 2 is internally provided with a separation filter element 5, the separation filter element 5 can rapidly filter solid adsorbent, the bottom discharge end of the oil storage vat 1 is connected with a nitrogen booster pump through a connecting pipe, the discharge end of the nitrogen booster pump is connected with the upper end of the separation filter element 5, the upper end of the separation filter element 5 is also provided with a return pipe 7, the height of the return pipe 7 is lower than that of the oil inlet pipe 6, grease is pumped away to the separation filter element 5 through the pump body 3, when the grease in the filter vat 2 is full, grease overflows in the return pipe 7, the pressurization of the pump body 3 is stopped at the moment, the grease condition in the filter vat 2 is conveniently monitored, the bottom of the filter vat 2 is provided with an oil discharge pipe 8, the oil discharge pipe 8 is positioned at the bottom of the filter vat 2, the grease in the filter vat 2 is conveniently and more fully discharged, and the tubular outflow is conveniently metered.

The feeding and inflating pipeline 4, the oil inlet pipe 6, the return pipe 7 and the oil discharge pipe 8 are all provided with switch devices.

When the oil storage tank is used, negative pressure is pumped to be close to minus 0.9MPa, so that air in the oil storage tank 1 is replaced, grease is conveniently and rapidly injected into the oil storage tank 1, foam generated by grease impact during filling is avoided, grease is filled into the oil storage tank 1 through the feeding and inflating pipeline 4 above the oil storage tank 1, then nitrogen is inflated to pressurize 3-5kg, oxygen in the grease is replaced, nitrogen forms nitrogen seal at the headspace of the oil storage tank 1, contact between the oxygen and the grease is blocked, the effect of protecting the grease from oxidization is achieved, the grease is pumped to the filter tank 2 through the nitrogen booster pump, the separation filter element 5 is arranged in the filter tank 2, active carbon or clay in the grease is separated out, finally, the grease is filtered through the oil discharge pipe 8, the nitrogen inflation pressure is kept for 5kg continuously for blowing for a period of time in the feeding and inflating pipeline 4, the grease remaining in each pipeline is fully discharged, the filtered grease is pumped to the next procedure, and solid-liquid separation of decolorized grease is completed.

Claims (4)

1. A be used for decoloration grease solid-liquid separation equipment which characterized in that: including oil storage bucket (1), filter vat (2) and pump body (3), be provided with separation filter core (5) in filter vat (2), oil storage bucket (1) top is provided with feeding and inflation line (4), the discharge end of oil storage bucket (1) is connected with pump body (3) through the connecting pipe, pump body (3) discharge end is connected with oil feed pipe (6) with separation filter core (5) upper end, the bottom of filter vat (2) is provided with oil drain pipe (8).

2. The solid-liquid separation device for decolorized grease according to claim 1, wherein: the upper end of the separation filter element (5) is also provided with a return pipe (7), and the height of the return pipe (7) is lower than that of the oil inlet pipe (6).

3. The solid-liquid separation device for decolorized grease according to claim 1, wherein: the pump body (3) is a nitrogen-driven booster pump.

4. The solid-liquid separation device for decolorized grease according to claim 1, wherein: the oil drain pipe (8) is positioned at the bottom of the filter vat (2).