CN201120198Y

CN201120198Y - Three-core twin-tub parallel type diesel oil prefilter

Info

Publication number: CN201120198Y
Application number: CNU2007201263419U
Authority: CN
Inventors: 张钢柱; 任相文
Original assignee: Xian Tianhou Filter Technology Co Ltd
Current assignee: Xian Tianhou Filter Technology Co Ltd
Priority date: 2007-11-12
Filing date: 2007-11-12
Publication date: 2008-09-24
Anticipated expiration: 2017-11-12

Abstract

The utility model discloses a three-core twin-barrel parallel-type diesel oil pre-filtering device, which comprises two diesel oil pre-filtering devices which are mutually-independent and are arranged in parallel, wherein each of the pre-filtering devices comprises a barrel body, a barrel cover, a pure oil cavity which is arranged in the cavity, a filter cavity and three two-stage filtering filter elements, and an oil inlet, an oil outlet and a sewage outlet which are arranged on the barrel body, wherein the two-stage filtering filter elements are positioned on the upper portion of the pure oil cavity and are installed on the filtering element mounting seats, the cavities of the two-stage filtering filter elements are communicated with the pure oil cavity through the filtering element mounting seats, an air outlet and the oil inlet are communicated with the filter cavity, the oil outlet is communicated with the pure oil cavity, and the sewage outlet and the filtering element mounting seats are arranged in parallel, and the oil inlets of the two diesel oil pre-filtering devices are communicated and the outlets of the two diesel oil pre-filtering devices are communicated. The three-core twin-barrel parallel-type diesel oil pre-filtering device has the advantages of simple structure and convenient assembly, not only has high filtering accuracy and strong flow capacity, but also has the automatic alarm function or the indicated pressure function, and can effectively solve problems of cleaning and filtering diesel oil and continuous filtering and continuous oil supply.

Description

The parallel diesel oil pre-filtrating equipment of a kind of three core twin-tubs

Technical field

The utility model relates to technical field of fuel filtration, especially relates to the parallel diesel oil pre-filtrating equipment of a kind of three core twin-tubs.

Background technology

The residual colloid of meeting, asphalitine etc. in the production process of diesel oil itself, and in its transportation, storage process, some pollution problems can appear inevitably, be easy to sneak into many such as impurity such as ashes, metal fragments.This type of diesel oil is when using as used for diesel engine is oily, because atomizing effect is poor, burning back emission smoke intensity value is higher, causes air pollution easily, when wasting energy diesel engine is also caused damage to a certain extent.At present, in the prior art field, exist some to adopt filtration gauze type, that carry out simple coarse filtration on the market, it in fact just utilizes gauze that the big slightly solid impurity of some particle diameter is stopped simply, can not clean filtration effectively to diesel oil.Though also occurred some diesel oil prefilters in the market, its volume is little, and inner filter core diameter is little, and the gauze structure that is adopted also just stops bigger solid impurity simply, can not effectively solve the cleaning filtration problem of diesel oil.

The utility model content

Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, provide a kind of three core twin-tubs parallel diesel oil pre-filtrating equipment, this filter apparatus configuration is simple, easy for installation, have automatic warning function, the cleaning that can effectively solve diesel oil is filtered, is continued to filter and the continuous oil supply problem.

For solving the problems of the technologies described above, the technical solution of the utility model is: the parallel diesel oil pre-filtrating equipment of a kind of three core twin-tubs, compose in parallel by two separate diesel oil pre-filtrating equipments, its each diesel oil pre-filtrating equipment includes staving 2, bung 10, be arranged on the absolute oil chamber 11 of staving 2 inside, filter chamber 12 and three double-stage filtering filter cores 1 that are laid in staving 2 inside symmetrically, and be arranged on oil-in 3 on the staving 2, oil-out 4 and sewage draining exit 5, wherein 12 of absolute oil chamber 11 and filter chambers are the boundary with dividing plate 8, absolute oil chamber 11 is positioned at filter chamber 12 bottoms, double-stage filtering filter core 1 is positioned at 11 tops, absolute oil chamber and is installed on each self-corresponding filter core mount pad 7, filter core mount pad 7 is installed in construction opening place corresponding on the dividing plate 8, and the inner chamber of double-stage filtering filter core 1 communicates with absolute oil chamber 11 by filter core mount pad 7; Bung 10 is provided with the exhaust outlet 6 that communicates with filter chamber 12, and oil-in 3 is positioned at staving 2 middle and upper parts and communicates with filter chamber 12, and oil-out 4 communicates with absolute oil chamber 11, and sewage draining exit 5 be arranged in parallel with filter core mount pad 7; Between the oil-in 3 of two diesel oil pre-filtrating equipments, oil-out 4 is communicated with mutually.

As a kind of preferred version of the present utility model, the bung 10 usefulness bolts 15 of described staving 2 are fixedly mounted on the staving 2, are useful on mobile suspension ring 13 in bung 10 outer setting, and staving 2 bottom outside are provided with bracing frame 14.

As another kind of preferred version of the present utility model, described staving 2 is provided with differential pressure transmitter device 9 or has the pressure indicator 16 of positive and negative deixis.

To sum up, adopt the parallel diesel oil pre-filtrating equipment of the utility model three core twin-tubs, have the following advantages: 1, simple and reasonable, easy for installation; 2, filtering accuracy height can play good filter effect to diameter at impurity more than 15 microns etc.; 3, filter efficiency height, the filter efficiency of this filter can reach more than 90%; 4, flow is bigger, and the flow that filters back diesel oil can reach about 120 liters of per minutes; 5, water environment capacity is strong, and has higher drainage function; 6, can continue, carry out incessantly the supply of clean diesel continuing to carry out more renew cartridge under the situation of filtering; 7, have automatic warning function or pressure deixis, can in time remind the user that filter core is changed, guarantee that pre-filtrating equipment can continue operate as normal.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Description of drawings

Fig. 1 is the structural representation of the utility model first preferred implementation.

Fig. 2 is the structural representation that Fig. 1 analyses and observe along the A-A face.

Fig. 3 is the structural representation of the utility model second preferred implementation.

Description of reference numerals:

1-double-stage filtering filter core; The 2-staving; The 3-oil-in;

The 4-oil-out; The 5-sewage draining exit; The 6-exhaust outlet;

7-filter core mount pad; The 8-dividing plate; The 9-differential pressure transmitter device;

The 10-bung; 11-absolute oil chamber; The 12-filter chamber;

The 13-suspension ring; The 14-bracing frame; The 15-bolt;

The 16-pressure indicator.

The specific embodiment

First preferred implementation, as Fig. 1, shown in Figure 2, the parallel diesel oil pre-filtrating equipment of described three core twin-tubs, diesel oil pre-filtrating equipment by two separate work composes in parallel, its each diesel oil pre-filtrating equipment includes staving 2, bung 10, be arranged on the absolute oil chamber 11 of staving 2 inside, filter chamber 12 and three double-stage filtering filter cores 1 that are laid in staving 2 inside symmetrically, and be arranged on staving 2 shells, all with the oil-in 3 of valve, oil-out 4 and sewage draining exit 5, wherein double-stage filtering filter core 1 adopts the double medium filtration structure, and 12 of absolute oil chamber 11 and filter chambers are the boundary with dividing plate 8, and absolute oil chamber 11 is positioned at filter chamber 12 bottoms.Staving 2 is cylindrical staving, bung 10 usefulness bolts 15 are fixedly mounted on the staving 2, be useful on mobile suspension ring 13 in bung 10 outer setting, these suspension ring 13 make that also operation is lighter when opening bung 10 on the other hand, be provided with bracing frame 14 in staving 2 bottom outside in addition, make the integral filter device place more firm, more convenient operation.

Absolute oil chamber 11 is positioned at the bottom of staving 2, three double-stage filtering filter cores 1 are positioned at 11 tops, absolute oil chamber and are installed on each self-corresponding filter core mount pad 6, filter core mount pad 7 is installed in construction opening place corresponding on 11 upper baffle plates 8 of absolute oil chamber, and the inner chamber of double-stage filtering filter core 1 communicates with absolute oil chamber 11 by filter core mount pad 7.Bung 10 is provided with the exhaust outlet 6 that communicates with filter chamber 12 in addition, and oil-in 3 is positioned at staving 2 middle and upper parts and communicates with filter chamber 12, and oil-out 4 communicates with absolute oil chamber 11, and sewage draining exit 5 be arranged in parallel with filter core mount pad 7.Be interconnected between the oil-in 3 of two diesel oil pre-filtrating equipments simultaneously, be interconnected between the oil-out 4, and on staving 2, also be provided with differential pressure transmitter device 9.

The course of work of the parallel diesel oil pre-filtrating equipment of these three core twin-tubs is: for each diesel oil pre-filtrating equipment, when at first restarting work at its first task or after changing inner filter core, open oil-in 3 and oil-out 4, close sewage draining exit 5, open on the bung 10 exhaust outlet 6 that is provided with simultaneously, the gas of original existence in staving 2 inside and oil-out 4 pipelines all discharged gradually, treat that internal gas is all discharged after, close exhaust outlet 6, this moment, this pre-filtrating equipment began operate as normal.Diesel oil is after oil-in 3 flows into staving 2 inside, behind the ectonexine double-filtration through double-stage filtering filter core 1, enter double-stage filtering filter core 1 inside, and the dividing plate 8 that is provided with between double-stage filtering filter core 1 bottom and filter core mount pad 6 flows into absolute oil chambeies 11, the most after filtration, the diesel oil after purifying discharges and the input diesel engine is that it is used through oil-out 4.

In the whole process that the parallel diesel oil pre-filtrating equipment of these three core twin-tubs filters, be arranged on the pressure of 9 pairs of absolute oil chambeies of differential pressure transmitter device 11 and filter chamber 12 inner diesel oil on the staving 2, be unfiltered diesel oil and filter after the pressure of diesel oil detect and analyze pressure reduction between the two in real time, when the pressure reduction between the two reaches the alarming value of setting, differential pressure transmitter device 9 in time gives the alarm, and illustrates that this moment, double-stage filtering filter core 1 blocked need were in time changed.At this moment, close oil-in 3, open bung 10, take out inner blocked double-stage filtering filter core 1 and, open sewage draining exit 5 simultaneously, in time discharge being deposited in impurity around dividing plate 8 tops, the filter core mount pad 7, moisture etc. with its replacing.Two diesel oil pre-filtrating equipments can work alone separately, also can work simultaneously.When one of them diesel oil pre-filtrating equipment is changed double-stage filtering filter core 1, another diesel oil pre-filtrating equipment can continue operate as normal, thereby be implemented under the situation that continues to filter and change double-stage filtering filter core 1, guarantee to continue, filter incessantly and fuel feeding.

Second preferred implementation, as shown in Figure 3, differential pressure transmitter device 9 on the staving 2 of the parallel diesel oil pre-filtrating equipment of described three core twin-tubs in corresponding first preferred implementation, be provided with the pressure indicator 16 with positive and negative deixis, other part-structures, the course of work are identical with first preferred implementation.This pressure indicator 16 detects the pressure of filter chamber 12 with absolute oil chamber 11 inner diesel oil respectively, and shows the pressure reduction between the two.When double-stage filtering filter core 1 does not stop up, the pressure reduction during its normal filtration between filter chamber 12 and the absolute oil chamber 11 be on the occasion of, this moment pressure indicator 16 indicated value be on the occasion of; Blocked and can't normal filtration the time when double-stage filtering filter core 1, because filter chamber 12 is a negative value with pressure reduction between the absolute oil chamber 11, the indicated value of pressure indicator 16 be a negative value at this moment.In the whole process that the parallel diesel oil pre-filtrating equipment of this three core twin-tubs filters,, illustrate that double-stage filtering filter core 1 blocked need in time change if when the indicated value of pressure indicator 16 is negative value.At this moment, close oil-in 3, open bung 10, take out inner blocked double-stage filtering filter core 1 and, open sewage draining exit 5 simultaneously, in time discharge being deposited in impurity around dividing plate 8 tops, the filter core mount pad 7, moisture etc. with its replacing.

The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.

Claims

1. parallel diesel oil pre-filtrating equipment of core twin-tub, it is characterized in that: compose in parallel by two separate diesel oil pre-filtrating equipments, its each diesel oil pre-filtrating equipment includes staving (2), bung (10), be arranged on the inner absolute oil chamber (11) of staving (2), filter chamber (12) and three double-stage filtering filter cores (1) that are laid in staving (2) inside symmetrically, and be arranged on oil-in (3) on the staving (2), oil-out (4) and sewage draining exit (5), be the boundary with dividing plate (8) between absolute oil chamber (11) and filter chamber (12) wherein, absolute oil chamber (11) is positioned at filter chamber (12) bottom, double-stage filtering filter core (1) is positioned at (11) top, absolute oil chamber and is installed on each self-corresponding filter core mount pad (7), filter core mount pad (7) is installed in dividing plate (8) and goes up corresponding construction opening place, and the inner chamber of double-stage filtering filter core (1) communicates with absolute oil chamber (11) by filter core mount pad (7); Bung (10) is provided with the exhaust outlet (6) that communicates with filter chamber (12), oil-in (3) is positioned at staving (2) middle and upper part and communicates with filter chamber (12), oil-out (4) communicates with absolute oil chamber (11), and sewage draining exit (5) be arranged in parallel with filter core mount pad (7); Between the oil-in of two diesel oil pre-filtrating equipments (3), oil-out (4) is communicated with mutually.

2. according to the parallel diesel oil pre-filtrating equipment of the described a kind of three core twin-tubs of claim 1, it is characterized in that: the bung (10) of described staving (2) is fixedly mounted on the staving (2) with bolt (15), be useful on mobile suspension ring (13) in bung (10) outer setting, staving (2) bottom outside is provided with bracing frame (14).

3. according to claim 1 or the parallel diesel oil pre-filtrating equipment of 2 described a kind of three core twin-tubs, it is characterized in that: described staving (2) is provided with differential pressure transmitter device (9) or has the pressure indicator (16) of positive and negative deixis.