CN219865295U

CN219865295U - Diesel filter

Info

Publication number: CN219865295U
Application number: CN202320582801.8U
Authority: CN
Inventors: 马盛文; 杜宜斌; 谢斌; 拓瑜; 代祥中; 廖上凯
Original assignee: Sinohydro Bureau 7 Co Ltd
Current assignee: Sinohydro Bureau 7 Co Ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-10-20
Anticipated expiration: 2033-03-22

Abstract

The diesel filter comprises a shell, a filtering device, a decompression valve, a pressure gauge and a support, wherein the shell is provided with a sealed inner cavity, the filtering device is arranged in the inner cavity of the shell, the bottom of the shell is fixedly arranged on the support, and the support is fixedly arranged on the ground; the filtering device comprises a filtering material and a belt Kong Lvtong, a filter cartridge with holes is arranged in the shell, a certain gap is formed between the bottom and the shell of the belt Kong Lvtong, and the filtering material is arranged in the filter cartridge with holes; the pressure gauge comprises an outer pressure gauge and an inner pressure gauge; the top of the shell is provided with a decompression valve, and the side face of the shell is provided with an external pressure gauge; an oil inlet hole is formed above the shell and is connected with a diesel pump through an oil inlet pipe; the bottom of the shell is provided with an oil outlet, and the oil outlet is connected with an oil meter through the oil outlet. The filter can filter out harmful impurities in a fuel system, protect the normal operation of an engine, prolong the service life of the engine, protect a nozzle, a cylinder sleeve and a piston ring of an oil pump, greatly reduce abrasion and avoid blockage.

Description

Diesel filter

Technical field:

the utility model belongs to the technical field of hydraulic and hydroelectric engineering construction, particularly relates to the technical field of engine power fuel systems, and particularly relates to a diesel filter.

The background technology is as follows:

when the dam of the hydropower station is excavated, an oil storage warehouse needs to be built nearby the dam, diesel oil is supplied to power equipment, the solid content in the diesel oil in the oil tank and the place where the hydropower station is located is high, and an engine of mechanical equipment, a nipple of an oil pump, a cylinder sleeve, a piston ring and the like are damaged, so that the diesel oil needs to be filtered.

The existing diesel filter has the following defects:

1. the low rated flow causes long-term overload work of the diesel filter, and the service life is shortened;

2. the filter paper has large pore diameter, poor uniformity and low filtering efficiency, and can cause early abrasion of a common rail system;

3. the adhesive is oil-resistant and weak in adhesion, so that the filter element is short-circuited, impurities cannot be filtered, and the service life of a common rail system is shortened;

4. rubber parts such as an internal sealing ring of the diesel filter are not oil-resistant, the sealing is invalid, short circuit is formed, impurities cannot be filtered, and the common rail system is worn early.

In the prior art, the diesel filter has wide application, but has a wide variety of commonalities, and for this reason, the existing diesel filter needs to be improved.

The utility model comprises the following steps:

aiming at the defects in the prior art, the utility model provides a diesel filter which can filter harmful impurities in a fuel system, protect the normal operation of an engine and improve the service life of the engine.

The utility model adopts the following technical scheme to realize the aim:

the utility model provides a diesel filter, which comprises a shell, a filtering device, a decompression valve, a pressure gauge and a bracket, wherein the shell is provided with a sealed inner cavity; the filtering device comprises a filtering material and a belt Kong Lvtong, a filter cartridge with holes is arranged in the shell, a certain gap is formed between the bottom and the shell of the belt Kong Lvtong, and the filtering material is arranged in the filter cartridge with holes; the pressure gauge comprises an outer pressure gauge and an inner pressure gauge; the top of the shell is provided with a decompression valve, and the side face of the shell is provided with an external pressure gauge; an oil inlet hole is formed above the shell and is connected with a diesel pump through an oil inlet pipe; the bottom of the shell is provided with an oil outlet, and the oil outlet is connected with an oil meter through the oil outlet.

The filtering material is in the form of an inverted cone sleeve and is made of PP polypropylene, and the top of the filtering material is connected with the top of the filter cylinder with the holes.

The oil inlet pipes and the oil outlet pipes are connected through flanges.

The filter may be sized to accommodate site specific flow requirements.

The shell and the filter cylinder with the holes are cylindrical and coaxially arranged.

The top of the filter cylinder with the hole is lower than the oil inlet hole on the shell.

The top of the filter cylinder with the hole is fixed on the inner wall of the shell.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model effectively improves the filtering capability of solid impurities in diesel oil.

2. The utility model has simple structure and low manufacturing cost, and the direct economic cost is less than 1.0 ten thousand yuan/table.

3. The PP polypropylene filter material adopted by the utility model is easy to purchase, manufacture and replace.

4. The utility model can effectively change the problem of insufficient rated flow,

in summary, the utility model is mainly used for filtering diesel oil provided by power equipment for the dam excavation construction of a hydropower station, can also be used for filtering diesel oil used in other places, can filter harmful impurities in a fuel system, protects the normal operation of an engine, prolongs the service life of the engine, and filters solid impurities (ferric oxide and dust) contained in fuel oil, thereby protecting a nozzle tip, a cylinder sleeve and a piston ring of an oil pump, greatly reducing abrasion and avoiding blockage.

Description of the drawings:

fig. 1 is a schematic structural view of the present utility model.

Reference numerals in the drawings:

1-oil inlet pipe, 2-flange, 3-oil pump, 4-relief valve, 5-outer manometer, 6-internal manometer, 7-filter material, 8-filter cartridge with holes, 9-casing, 10-oil meter, 11-oil outlet pipe, 12-support, 13-ground.

The specific embodiment is as follows:

the present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.

Referring to fig. 1, the utility model provides a diesel filter arranged near an oil reservoir built near a hydroelectric dam, comprising a housing 9, a filtering device, a decompression valve 4, a pressure gauge and a bracket 12. The shell 9 is cylindrical and is provided with a sealed inner cavity, the filtering device is arranged in the inner cavity of the shell 9, the bottom of the shell 9 is fixedly arranged on the bracket 12, and the bracket 12 is fixedly arranged on the ground 13. The filtering device comprises a filtering material 7 and a filtering cylinder 8 with holes, wherein the filtering cylinder 8 is cylindrical and is coaxially arranged with a shell 9, the filtering cylinder 8 with holes is arranged in the shell 9, the top of the filtering cylinder 8 is fixed on the inner wall of the shell 9, a certain gap is reserved between the cylinder body and the bottom of the belt Kong Lvtong and the shell 9, the filtering material 7 is arranged in the filtering cylinder 8 with holes, and the top of the filtering material 7 is connected with the top of the filtering cylinder 8 with holes. The filter material 7 is made of PP polypropylene material, and the filter material 7 has the following characteristics: the PP polypropylene is a milky wax, is nontoxic, odorless and odorless, and can be used as a green environment-friendly material; good wear resistance, high hardness, good high-temperature impact resistance (but drastically decreases below-5 ℃ and the local minimum air temperature is-1 ℃), and good repeated folding resistance; the chemical stability is good, and the strong oxidizing acid (such as fuming sulfuric acid and nitric acid) has a corrosion effect on the chemical agent, and does not react with most chemicals; the electrical insulation performance is excellent, and the withstand voltage and arc resistance are good. The filter material 7 is made into a sleeve shape and is of an inverted cone structure, so that the filter material is simple and easy to manufacture and easy to replace. The pressure gauge comprises an outer pressure gauge 5 and an inner pressure gauge 6. The decompression valve 4 is arranged at the top of the shell 9, the outer pressure gauge 5 is arranged on the side face of the shell, when the internal pressure of the shell 9 is too high, the pressure is released timely, the inner pressure gauge 6 is arranged at the top of the inner side of the filter cylinder 8 with holes, whether the filter is smooth or not is mainly detected, and if the filter is blocked, the pressure can rise and needs to be cleaned or replaced in time. An oil inlet is arranged above the shell 9, the top of the filter cylinder 8 with the hole is lower than the oil inlet on the shell 9, the oil inlet is connected with the diesel pump 3 through the oil inlet pipe 1 to provide power for circulating and discharging diesel oil in the filter, and the diesel oil directly enters the filter device for filtering after entering the shell 9. The bottom of the shell 9 is provided with an oil outlet, and the oil outlet is connected with an oil meter 10 through an oil outlet pipe 11 to monitor the oil output. The oil inlet pipes 1 and the oil outlet pipes 11 are connected through flanges 2. The filter has the advantages of simple and reasonable structure, easy operation and strong universality, and can change the size according to the specific flow demand on site, so that the problem of insufficient rated flow can be effectively changed.

Claims

1. A diesel fuel filter, characterized by: the filter comprises a shell (9), a filtering device, a decompression valve (4), a pressure gauge and a support (12), wherein the shell (9) is provided with a sealed inner cavity, the filtering device is arranged in the inner cavity of the shell (9), the bottom of the shell (9) is fixedly arranged on the support (12), and the support (12) is fixedly arranged on the ground (13); the filtering device comprises a filtering material (7) and a belt Kong Lvtong (8), wherein the belt Kong Lvtong (8) is arranged in the shell (9), a certain gap is formed between the barrel body and the bottom of the belt Kong Lvtong (8) and the shell (9), and the filtering material (7) is arranged in the belt Kong Lvtong (8); the pressure gauge comprises an outer pressure gauge (5) and an inner pressure gauge (6); the top of the shell (9) is provided with a decompression valve (4), and the side surface is provided with an external pressure gauge (5); an oil inlet hole is arranged above the shell (9) and is connected with a diesel pump (3) through an oil inlet pipe (1); the bottom of the shell (9) is provided with an oil outlet, and the oil outlet is connected with an oil meter (10) through an oil outlet pipe (11).

2. A diesel fuel filter according to claim 1, characterized in that: the filter material (7) is in the form of an inverted cone sleeve and is made of PP polypropylene, and the top of the filter material (7) is connected with the top of the belt Kong Lvtong (8).

3. A diesel fuel filter according to claim 1, characterized in that: the oil inlet pipes (1) and the oil outlet pipes (11) are connected through flanges (2).

4. A diesel fuel filter according to claim 1, characterized in that: the filter may be sized to accommodate site specific flow requirements.

5. A diesel fuel filter according to claim 1, characterized in that: the shell (9) and the strap Kong Lvtong (8) are cylindrical and are coaxially arranged.

6. A diesel fuel filter according to claim 1, characterized in that: the top of the belt Kong Lvtong (8) is lower than the oil inlet hole on the shell (9).

7. A diesel fuel filter according to claim 1, characterized in that: the top of the strap Kong Lvtong (8) is fixed on the inner wall of the shell (9).