CN2568277Y

CN2568277Y - Filtering element of oils purifier

Info

Publication number: CN2568277Y
Application number: CN 02253376
Authority: CN
Inventors: 孙克祯; 孙毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-09-11
Filing date: 2002-09-11
Publication date: 2003-08-27
Anticipated expiration: 2012-09-11

Abstract

The utility model relates to a filtering element of an oil purifier, which comprises at least one hollow cylindrical filtering element body. The oil enters and passes through the filtering element body through the outer surface of the filtering body and is filtered and led out from an inner hole. The utility model is characterized in that the filtering element body is mixed by plant fibres and grinding granulated plant material, the weight ratio of the plant fibres and wood dust is from 0.5 to 1.5: 15 to 25, and the inner part of the filtering element body is provided with at least one rigid supporter. The utility model can be favorable for reducing the amount of the plant fibres up to the hilt and the filtering flow resistance of the filtering element and increasing the filtering efficiency, the utility model can be combined into the filtering elements with different specifications conveniently according to the using requirement, and the specification of moulds can be reduced when the manufacturing process of the filtering element is simplified.

Description

Oil purifier filter core

Affiliated field

The utility model relates to a kind of filtering material, especially for the filter core of various oil purifiers.

Background technology

At present the processing method to vapour, diesel lubrication oil generally is to adopt 200 order copper mesh to add the filter core that filter paper is made, also have adopt nonmetal filter core as corrugated paper and high molecular filter element etc.In order to prolong the service life of lubricating oil, people are provided with a kind of bypass type lubricating oil filter made from corrugated paper on diesel engine, because lubricating oil is easily oxidation under hot conditions, get back to through the lubricating oil after the corrugated paper bypass in the oil sump of machine, thereby the secondary oxidation time that has increased lubricating oil causes rotten too early.Above-mentioned metal filtering core and nonmetal filter core all are the impurity (comprising organic impurities and inorganic impurity) in the filtering lubricant oil merely, fineness after it filters is more than 10 μ, operation a period of time (or kilometer) back is because of the physical and chemical index more oil change that descends still, otherwise can influence the service life of engine.

In view of above-mentioned weak point of the prior art, the inventor once proposed the patent of invention that a key name is called " oil purifier filter core and manufacture method thereof ", (Granted publication number: CN1021200C).This patent disclosure a kind of filter core for whole flow depth purifier of lubricating oil that is used for petrol and diesel oil machine lube oil purification, it is made by wood chip, string and auxiliary material thereof.

The moulding mechanism of this patent is, a plant material such as wood chip are as primary raw material, utilize wood chip to absorb volumetric expansion behind the moisture content and shrink this principle after the drying, it is fully made required shape after the water saturation, drying makes after the water evaporates and then has many spaces between wood chip, constitutes the filtering bodies of porous.And should invent another primary raw material string, it can be that wood-fibred also can be a cotton fiber, as wood chip " adhesive ", because these countless crisscross fibers exist the logical wood chips that make to form a fixed shape.The intensity of this solid shape object depends on the length and the quantity of string.Since this patent be only with string as " adhesive " that be wood chip, so wherein the content of string up to the 67-70% of wood chip.

Just because of this, machine oil filter core that is made of technique scheme and manufacture method thereof have following unsurmountable defective and be: the weight ratio of string and wood chip is low excessively; The weight ratio of wood chip and string is 100 in this patent: 67-70.Yet the inventor is through a large amount of evidences, this weight ratio is not obviously handled filer element strength well and is filtered the contradiction of flow resistance, though guaranteed the intensity that filter core is enough, but because string quantity is too many, cause filter core too fine and close, thereby increased the filtration flow resistance, filter efficiency is extremely low, this is the present the most basic existing defective of the prior art just, and it has influenced the normal use of this filter core widely.

In addition, filter core of the prior art is one-shot forming and going out in mould, therefore must produce not mould according to the filter core of different size, and it is tired many to make that like this manufacturing of filter core adds man-hour required mould specification kind, and therefore increases manufacturing cost.

Summary of the invention

The purpose of this utility model is to provide a kind of oil purifier filter core, can help reducing to greatest extent the quantity of string, reduces the filtration flow resistance of filter core, improves filter efficiency.

A purpose more of the present utility model is to adopt the combined type supporting way, rather than the support of string that place one's entire reliance upon as filter body, the filter body that to be made by granular plant material and string is by the specification preparation of standard, utilize rigid support that it is combined again, make it be combined into the different size filter core easily according to user demand, can reduce the specification of mould in the manufacturing process that simplifies filter core greatly.

Order of the present invention is to realize like this, a kind of oil purifier filter core, at least include a hollow columnar filtering core, described oil passing filter external surface enters and passes filter body and filters, derive by endoporus, described filtering core is mixed with granular plant material by string and constitutes, and the weight ratio of described string and granular plant material is 0.5～1.5: 15～25, is provided with a rigid support in the filtering core at least.Described granular plant material can be pulverized by wood chip or by wooden, stalk, straw or shrub and form, and the granularity of pulverizing is 8～20 orders.

Described rigid support can be located in the filtering core endoporus.Described rigid support can wrap is located at filtering core.Described rigid support can be anti-rotten material and makes.Described hollow columnar filtering core outer surface can be coated with nonwoven.Described hollow columnar filtering core endoporus top layer can be coated with spins cloth.Described rigid support can be made of the tubular stainless (steel) wire, or can be made of the ring-type nylon wire.

Described filtering core can be two or be more than two.Described filtering core can be two or be more than two, and this plural filtering core rigid support is stacked forming up and down.Described filtering core can be two or be more than two, and the assembly group forms about this plural filtering core rigid support.

Effect of the present invention is significant:

1, the utility model is equipped with rigid support in filter core, and this rigid support constitutes the combined type supporting construction with string, more helps reducing to greatest extent the quantity of string, reduces the filtration flow resistance of filter core, improves filter efficiency.

2, because the utility model adopts the combined type supporting way, rather than the support of string that place one's entire reliance upon as filter body, the utility model can be with the specification preparation by standard of the filter body made by granular plant material and string, utilize rigid support that it is combined again, can reduce the specification of mould in the manufacturing process that simplifies filter core greatly like this.

Description of drawings

Fig. 1 is the structural representation of the utility model filter core.

Fig. 2 is the structural representation of first kind of embodiment of the utility model filter core.

Fig. 3 is the structural representation of second kind of embodiment of the utility model filter core.

Fig. 4 is the structural representation of the third embodiment of the utility model filter core.

The specific embodiment mode

Embodiment 1

See also shown in Figure 1, the utility model is a kind of oil purifier filter core, at least include one and constitute hollow columnar filtering core 1 by granular plant material, string, expect that oil passing filter external surface 11 enters and passes filter body and filters, derive by endoporus 12, the utility model is mixed with granular plant material by string and constitutes, and the weight ratio of string and granular plant material rises to 0.5～1.5: 15～25.Preferred embodiment of the present utility model is 1: 18～22.

In the present embodiment, granular plant material can be pulverized by wood chip or by wooden, stalk, straw or shrub and form, and the granularity of pulverizing is 8～20 orders.The utility model utilizes granular plant material to absorb volumetric expansion behind the moisture content and shrinks this principle after the drying, it is fully made required shape after the water saturation, drying makes after the water evaporates and then has many spaces between granular plant material, constitutes the filtering core 1 of porous.So the flow resistance of this filtering bodies and the size that flow is mainly got granular plant material particle.Too hour its flow resistance is too big when a material, does not satisfy the minimum fuel delivery of engine; Its gap is too big when particle is too big, does not guarantee the fineness of filtrate residual impurity.Thereby select the granular plant material of 8～20 purposes proper.

Another primary raw material of the utility model is a string, and it can be that wood-fibred also can be a cotton fiber.Still,, these countless crisscross fibers make granular plant material form a fixed shape because existing to lead to " adhesive " for granular plant material.The intensity of this solid shape object depends on the length and the quantity of string, when string long and quantity for a long time, the object intensity height of its formation; But string is oversize and quantity is too many, can make object too densification cause flow resistance too big.Thereby select string length at 8～18 millimeters.

The utility model is equipped with rigid support 2 in filter core, as shown in Figure 1, this rigid support is made of permeable structures, as netted or cavernous structure.Specifically in the present embodiment, this rigid support 2 is to constitute by being the tubular stainless (steel) wire, and is arranged at endoporus 12 places of filtering core 1.Rigid support 2 of the present utility model also can be made of other anticorrosive material, as nylon rack or the like.Because the utility model is not the supporting construction of string as filter body that place one's entire reliance upon, but constituting combined type with string, supports rigid support 2, promptly strengthened the withstand voltage properties of filtering core 1, help reducing to greatest extent the quantity of string simultaneously, reduce the filtration flow resistance of filter core.Evidence, although the content of the string that the utility model significantly reduces, its compression strength still is higher than 35Mpa.

In the present embodiment, described filtering core 1 can be made of an integral body, also can be as shown in Figure 2, constitute by two or more filtering core 1, these two or more filtering core stacked forming about in the of 1, its endoporus 12 wears a rigid support 2.This knockdown filtering core 1 can be combined into the filtering core 1 of different specifications easily, to be adapted to the clarifier of different size.In addition, this combined type has filtering core 1 can also significantly reduce the kind that filtering core adds required mould in man-hour, thereby reduces its manufacturing cost widely.

In the utility model, filtering core 1 outer surface 11 can be coated with thin nonwoven 3, and improving its filtration must.The surface of endoporus 12 can be coated with spins cloth 4, and this spins cloth can also have impact resistance in filter body 1 marginal portion.After coating nonwoven, described rigid support 2 is arranged in the endoporus 12, promptly finish the support of supporter.

Evidence, the utility model pollutant holding capability is big, can adsorb mechanical admixture in large quantities, and the fineness of guaranteeing to filter the back residual impurity plays extraordinary catharsis to oil plant below 5 μ.In addition, filter core compressive resistance of the present invention is big, can reach more than the 35MPa.And the utility model circulating resistance is little, the filter efficiency height.

Embodiment 2

See also shown in Figure 3ly, in the present embodiment, the structure of described filter core is identical with embodiment 1, and its effect and principle are identical with embodiment 1, no longer repeat at this.

In the present embodiment, for realizing that filter core in catharsis, can also carry out necessary processing to the physical and chemical index of oil plant, make it standard up to specification, thereby prolong the life-span of oil plant.For this reason in the present embodiment, at least include one and constitute hollow columnar filtering core 1 by granular plant material, string, described oil passing filter external surface 11 enters and passes filter body and filters, derive by endoporus, wherein, the weight ratio of described string and granular plant material is 0.5～1.5: 15～25, and has dosed auxiliary material in this filtering bodies.Make it purifying on the basis up to standard, oil plant cannot be handled, make its physical and chemical index reach requirement, thereby prolong the service life of oil plant.

The filtering material here mainly is to play a supportive role and have the plant material of gap micropore, and wooden, stalk material is as straw of wood chip, pulverizing etc.In the present embodiment, can select wood chip is raw material.

The difference of present embodiment and the foregoing description is, as shown in Figure 3, described filtering core 1 can be two or be more than two, and this plural filtering core 1 is along rigid support stacked forming about in the of 2.When moulding, but the radial end face straight forming of described filtering core 1 has convex-concave structure 13, when it is stacked up and down, but two filtering core convex-concave phase embedding combinations up and down, this structure can strengthen the bonding strength of two interlayer filtering cores up and down.

The another kind of embodiment of present embodiment as shown in Figure 4, in the present embodiment, described filtering core can be two or be more than two, this plural filtering core 1 is divided into two or more parts vertically, the axial end of each several part forms convex-concave structure 13, when about it during the assembly group, but about two filtering cores 1 can convex-concave phase embedding combination, the filter core of hollow tube-shape, be coated with in endoporus again after the combination and spun cloth, be coated with and more netted rigid support be sheathed on the filter core outside behind the nonwoven.The separate case application of preparation method of the present utility model and moulding mechanism.

Claims

1, a kind of oil purifier filter core, at least include a hollow columnar filtering core, described oil passing filter external surface enters and passes filter body and filters, derive by endoporus, it is characterized in that, described filtering core by string be ground into granular plant material and mix and constitute, the weight ratio of described string and wood chip is 0.5～1.5: 15～25, is provided with a rigid support in the filtering core at least.

2, oil purifier filter core as claimed in claim 1 is characterized in that, described granular plant material can be pulverized by wood chip or by wooden, stalk, straw or shrub and form, and the granularity of pulverizing is 8～20 orders.

3, oil purifier filter core as claimed in claim 1 is characterized in that, described rigid support can be located in the filtering core endoporus or bag is located at filtering core.

4, oil purifier filter core as claimed in claim 3 is characterized in that, described rigid support can be anti-rotten material and makes.

5, oil purifier filter core as claimed in claim 1 is characterized in that, described hollow columnar filtering core outer surface can be coated with nonwoven.

As claim 1 or 5 described oil purifier filter cores, it is characterized in that 6, described hollow columnar filtering core endoporus top layer can be coated with spins cloth.

7, oil purifier filter core as claimed in claim 3 is characterized in that, described rigid support can be made of the tubular stainless (steel) wire, or can be made of the ring-type nylon wire.

8, oil purifier filter core as claimed in claim 3 is characterized in that, described filtering core can be two or be more than two.

9, oil purifier filter core as claimed in claim 8 is characterized in that, described filtering core can be two or be more than two, and this plural filtering core rigid support makes up up and down.

10, oil purifier filter core as claimed in claim 8 is characterized in that, described filtering core can be two or be more than two, and the assembly group forms about this plural filtering core rigid support.