CN201304272Y - Full-automatic back flush fuel oil filter - Google Patents
Full-automatic back flush fuel oil filter Download PDFInfo
- Publication number
- CN201304272Y CN201304272Y CNU200820139307XU CN200820139307U CN201304272Y CN 201304272 Y CN201304272 Y CN 201304272Y CN U200820139307X U CNU200820139307X U CN U200820139307XU CN 200820139307 U CN200820139307 U CN 200820139307U CN 201304272 Y CN201304272 Y CN 201304272Y
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- oil
- filter
- screen pack
- lining
- hydraulic fluid
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Abstract
The utility model relates to a device which can filter the engine fuel oil of boat, in particular to a full-automatic back flush fuel oil filter suitable for filtering heavy oil. The filter comprises a casing, a bushing, a distributing shaft, a lower filter screen and an upper filter screen, wherein, the bushing is arranged in the casing; the lower filter screen and the upper filter screen are sheathed on the bushing. A distributing shaft is inserted in the bushing. The inner cavity of the casing is divided into two parts of an upper inner cavity and a lower inner cavity by an intermediate disk. The lower filter screen and the upper filter screen are formed by the overlapping of a plurality of filter sheets. The casing is provided with an oil inlet, an oil outlet, an oil return port and a waste oil port. The top end of the distributing shaft is connected with an electric motor through an intermediate shaft. The filter can filter the fuel oil, and at the same time can automatically and continuously back flush the filter screen. The filter is easy to be installed and is convenient to be used. The system operating pressure is stable, and the service life of the equipment can be prolonged. The maintenance repair cost of the boat can be greatly reduced, and the target of unmanned engine room management can be realized.
Description
Technical field
The utility model relates to a kind of device that the engine of boat and ship fuel oil is filtered, particularly a kind of full-automatic back washing fuel oil filter that heavy oil is filtered that is applicable to, this filter utilizes the pressure of fuel oil itself, automatic fitration fuel oil, and automatically that the harmful solid impurity that filters out in the fuel oil is regular, timing discharge filter.
Background technology
In order to make full use of resource and cutting operating costs, the comparatively abominable heavy oil of the equal using character of the present most of boats and ships oil that acts as a fuel can operate as normal in order to ensure engine of boat and ship, and therefore the filtration for objectionable impurities in the heavy oil oil just seems particularly important.So fuel oil filter just becomes the requisite key equipment of shipbuilding industry, commonly used have manual filter and an automatic filter.
Manually filter can effectively filter by convection cell, its material for core has uniform demarcation aperture, can the filtering impurity bigger than orifice size, but because of dirt accumulates on the cartridge surface, therefore be easy to get clogged, this kind filter cleaning and filtering layer that can not recoil automatically, impurity dirt after the filtration can not discharge strainer, in use need termination of pumping constantly regularly to clean, and after using a period of time, the filter course of also will having to change causes that life cycle is short, efficient reduces, and increases use cost.
The automatic filter complex structure, though can carry out backwash, major defect is that the impurity that filters out can not be discharged automatically, still needs manual the discharging, makes troubles for the unmanned management of watercraft cabinet equipment.
Summary of the invention
The purpose of this utility model be for solve manual filter can not the backwash filter core and the automatic filter complex structure can not discharge the defective of objectionable impurities automatically, invent a kind of full-automatic back washing fuel oil filter, this filter not only can be realized full-automatic back washing screen pack filter body, and the solid objectionable impurities that filters out can be excreted automatically, whole filtration and backwash process, starting working from filter promptly continues to carry out, and satisfies the job requirement of unmanned machinery space's management.
The purpose of this utility model is to realize by following technical scheme:
Described full-automatic back washing fuel oil filter comprises housing, lining, distributing shaft, following screen pack, goes up screen pack;
Be provided with down chuck, telophragma and last chuck in the housing, lining is arranged in down in chuck, telophragma and the last chuck, and distributing shaft is inserted in the lining, and telophragma is divided into inner chamber, two parts of lower inner cavity with the inner chamber of housing;
Telophragma is provided with lower chuck and upper chuck, and following screen pack is located at down between chuck and the lower chuck, and last screen pack is located between chuck and the upper chuck;
The axial plane of distributing shaft is formed filter chamber, absolute oil passage, dirty oily passage and conversion chamber by milling, distributing shaft is not offered dirty oil groove and absolute oil groove on the axial plane of milling, and dirty oil groove communicates with dirty oily passage, and the absolute oil groove communicates with the absolute oil passage;
Offer many outages on the lining, several outages that are positioned at the first half communicate with the conversion chamber, the first middle outage communicates with dirty oily passage and last inner chamber, and the second middle outage communicates with absolute oil passage and lower inner cavity, and several outages that are positioned at Lower Half communicate with filter chamber;
Following filtration net cover is located at the Lower Half of lining, and the interior hydraulic fluid port of following screen pack side communicates with the oilhole of lining Lower Half, and last filtration net cover is located at the first half of lining, and the interior hydraulic fluid port of last screen pack side communicates with the oilhole of the lining first half;
Be not pressed in vertical delegation's oilhole of the lining first half and the first half on the distributing shaft, communicate by last several and absolute oil groove in this row oilhole by the axial plane of milling, by under several and dirty oil groove communicate;
The top of distributing shaft is connected with motor by jackshaft, and the motor drives distributing shaft rotates, and vertical delegation's oilhole of not pushed down by the axial plane of milling on the distributing shaft is constantly replaced;
Housing is provided with oil-in, oil-out, returns hydraulic fluid port and sump oil mouth, and oil-in communicates with filter chamber, and oil-out communicates with lower inner cavity, returns hydraulic fluid port and communicates with the conversion chamber, and the sump oil mouth communicates with last inner chamber.
Described screen pack down and last screen pack are formed by stacking by a plurality of filters respectively, and filter is flat ring-type, and the hollow part of ring-type can be enclosed within on the lining just; Filter is connected to form by a plurality of fan-shaped barriers, be provided with a plurality of grids in each fan-shaped barrier, all be provided with screen pack on each grid, have inner oil sump on the inner arc limit of fan-shaped barrier, have outer oil sump on the outer arc limit of fan-shaped barrier, the degree of depth of inside and outside oil groove all is not more than half of fan-shaped barrier thickness, and the opening of inside and outside oil groove lays respectively at the both sides of screen pack; When the stack of a plurality of filters, the fan-shaped barrier on two adjacent filters will connect airtight and constitute a filtration cavity that is equipped with screen pack up and down together; This filtration cavity comprises two states, first kind of state is that two inner oil sumps connect and constitute interior hydraulic fluid port, second kind of state is that two outer oil sumps connect and constitute outer hydraulic fluid port, and when a plurality of filters stack, the filtration cavity of described two states is staggered.
Described screen pack down is formed by stacking by 24 filters, and last screen pack is formed by stacking by 12 filters.
Described filter is provided with installing hole, when a plurality of filters superpose, is fixed in one by installing hole with nut.
Fan-shaped barrier on the described filter disc is eight, and each fan-shaped barrier is provided with an inner oil sump and two outer oil sumps, and the filtration cavity that is constituted during two filter stacks perhaps has an interior hydraulic fluid port, and two outer hydraulic fluid ports are perhaps arranged.
Not by the axial plane of milling, be oblique from vertical direction on the described distributing shaft, the dirty oil groove on it also is oblique.
Good effect of the present utility model is as follows: this filter finish fuel oil filtered in, the automatic backwash that realization continues screen pack, and the solid objectionable impurities that filters out is excreted automatically, do not need additionaling power again, do not need too many maintenance, install simple, easy to use, system's operation pressure stabilization has prolonged service life of equipment, significantly reduce the day-to-day maintenance of boats and ships, reached the purpose of unmanned machinery space's management.
Description of drawings
Fig. 1 is the utility model structure chart
Fig. 2 is bush structure figure
Fig. 3 is the filter structure chart
Fig. 4 is interior hydraulic fluid port structure chart
Fig. 5 is outer hydraulic fluid port structure chart
Among the figure: 1 housing, 2 linings, 3 distributing shafts
6 times chucks of screen pack on 4 times screen packs 5
Inner chamber on the chuck 9 on 7 telophragmas 8
10 lower inner cavities, 11 lower chucks, 12 upper chucks
13 filter chambers, 14 absolute oil passages, 15 dirty oily passages
16 conversion chambeies, 17 dirty oil groove 18 absolute oil grooves
22 motor, 23 oil-ins, 24 oil-outs
25 return hydraulic fluid port 26 sump oil mouths 27 filters
28 screen packs, 29 inner oil sumps, 30 outer oil sumps
31 outer hydraulic fluid port 32 installing holes
The specific embodiment
Described full-automatic back washing fuel oil filter comprises housing 1, lining 2, distributing shaft 3, following screen pack 4, goes up screen pack 5;
Be provided with down chuck 6, telophragma 7 and last chuck 8 in the housing 1, lining 2 is arranged in down in chuck 6, telophragma 7 and the last chuck 8, and distributing shaft 3 is inserted in the lining 2, and telophragma 7 is divided into inner chamber 9,10 two parts of lower inner cavity with the inner chamber of housing 1;
Telophragma 7 is provided with lower chuck 11 and upper chuck 12, and following screen pack 4 is located at down between chuck 6 and the lower chuck 11, and last screen pack 5 is located between chuck 8 and the upper chuck 12;
The axial plane of distributing shaft 3 is formed filter chamber 13, absolute oil passage 14, dirty oily passage 15 and conversion chamber 16 by milling, distributing shaft 3 is not offered dirty oil groove 17 and absolute oil groove 18 on the axial plane of milling, dirty oil groove 17 communicates with dirty oily passage 15, and absolute oil groove 18 communicates with absolute oil passage 14;
Offer many outage 19 (see figure 2)s on the lining 2, several outages that are positioned at the first half communicate with conversion chamber 16, the first middle outage communicates with dirty oily passage 15 and last inner chamber 9, the second middle outage communicates with absolute oil passage 14 and lower inner cavity 10, and several outages that are positioned at Lower Half communicate with filter chamber 13;
Following screen pack 4 is set in the Lower Half of lining 2, interior hydraulic fluid port 20 (see figure 4)s of following screen pack 4 sides communicate with the oilhole 19 of lining 2 Lower Halves, last screen pack 5 is set in the first half of lining 2, and the interior hydraulic fluid port 20 of last screen pack 5 sides communicates with the oilhole 19 of lining 2 first halves;
Be not pressed in vertical delegation's oilhole 19 of lining 2 first halves and the first half on the distributing shaft 3, communicate by last several and absolute oil groove 18 in this row oilhole 19 by the axial plane of milling, by under several and dirty oil groove 17 communicate;
The top of distributing shaft 3 is connected with motor 22 by jackshaft 21, and motor 22 drives distributing shaft 3 and rotates, and vertical delegation's oilhole 19 of not pushed down by the axial plane of milling on the distributing shaft 3 is constantly replaced;
Described screen pack 4 down and last screen pack 5 are formed by stacking by a plurality of filters 27 respectively, and filter 27 is flat ring-type, and the hollow part of ring-type can be enclosed within on the lining 2 just; Filter 27 is connected to form by a plurality of fan-shaped barriers, be provided with a plurality of grids in each fan-shaped barrier, all be provided with screen pack 28 on each grid, have inner oil sump 29 on the inner arc limit of fan-shaped barrier, have outer oil sump 30 on the outer arc limit of fan-shaped barrier, the degree of depth of inside and outside oil groove all is not more than half of fan-shaped barrier thickness, and the opening of inside and outside oil groove lays respectively at the both sides (see figure 3) of screen pack 28; When 27 stacks of a plurality of filters, the fan-shaped barrier on two adjacent filters 27 will connect airtight and constitute a filtration cavity that is equipped with screen pack 28 up and down together; This filtration cavity comprises two states, first kind of state be two inner oil sumps 29 connect and constitute in hydraulic fluid port 20, (see figure 4), second kind of state is that two outer oil sumps 30 connect and constitute outer hydraulic fluid port 31 (see figure 5)s, when a plurality of filters 27 superposeed, the filtration cavity of described two states was staggered.
Described screen pack down is formed by stacking by 24 filters 27, and last screen pack is formed by stacking by 12 filters 27.
Described filter 27 is provided with installing hole 32 (see figure 3)s, when a plurality of filters 27 superpose, is fixed in one by installing hole 32 usefulness nuts.
Fan-shaped barrier on the described filter disc 27 is eight, each fan-shaped barrier is provided with an inner oil sump 29 and two outer oil sumps 30, the filtration cavity that two filters folded 27 are constituted when superposeing perhaps has interior hydraulic fluid port 20 (see figure 4)s, and two outer hydraulic fluid port 31 (see figure 5)s are perhaps arranged.
Not by the axial plane of milling, be oblique from vertical direction on the described distributing shaft 3, the dirty oil groove 17 on it also is oblique (see figure 1).
The operation of oil circuit is as follows: heavy oil enters into filter chamber 13 from oil-in 23, interior hydraulic fluid port 20 from following screen pack 4 inboards flows into the filtration cavitys again, flowing into the heavy oil that filters cavity filters above the cavity and the filtration of following screen pack 28 through this, enter into top and following filtration cavity after becoming absolute oil, flow into lower inner cavity 10 from outer hydraulic fluid port 31 again, impurity is then stayed on the screen pack 28, the absolute oil that flows into lower inner cavity 10 divides three the tunnel: a road main absolute oil flows to engine from oil-out 24, another path absolute oil hydraulic fluid port 31 outside some returns the filtration cavity and (is not blocked by the axial plane of milling because the interior hydraulic fluid port 20 of this filtration cavity is assigned with axle 3, and the interior hydraulic fluid port 20 that is blocked communicates with dirty oil groove 17, so absolute oil just can return), absolute oil returns when filtering cavity screen pack 28 recoiled and impurity taken away and becomes dirty oil, dirty oil flows into dirty oil groove 17 by the hydraulic fluid port 20 that is positioned at top and following filtration cavity, flow into from dirty oily passage 15 again and go up inner chamber 9, the dirty oil of inner chamber 9 flows into the filtration cavity by the outer hydraulic fluid port 31 of last screen pack 5 in the inflow, flow into conversion chambeies 16 from interior hydraulic fluid port 20 after filtering, flow to and return in the fuel tank from returning hydraulic fluid port 25 again; A path absolute oil flows to absolute oil groove 18 from absolute oil passage 14 again, entering the filtration cavity by hydraulic fluid port 20 in some again (is not blocked by the axial plane of milling because the interior hydraulic fluid port 20 of this filtration cavity is assigned with axle 3, and the interior hydraulic fluid port 20 that is blocked communicates with absolute oil groove 18, so absolute oil could flow into from absolute oil groove 18 and filter cavity), enter the absolute oil that filters cavity and screen pack 28 is recoiled impurity taken away and become dirtier oil and flow out and enter inner chamber 9, flow away from 26 sump oil mouths again from outer hydraulic fluid port 31.
Claims (6)
1. full-automatic back washing fuel oil filter is characterized in that: described full-automatic back washing fuel oil filter, comprise housing, lining, distributing shaft, down screen pack, go up screen pack;
Be provided with down chuck, telophragma and last chuck in the housing, lining is arranged in down in chuck, telophragma and the last chuck, and distributing shaft is inserted in the lining, and telophragma is divided into inner chamber, two parts of lower inner cavity with the inner chamber of housing;
Telophragma is provided with lower chuck and upper chuck, and following screen pack is located at down between chuck and the lower chuck, and last screen pack is located between chuck and the upper chuck;
The axial plane of distributing shaft is formed filter chamber, absolute oil passage, dirty oily passage and conversion chamber by milling, distributing shaft is not offered dirty oil groove and absolute oil groove on the axial plane of milling, and dirty oil groove communicates with dirty oily passage, and the absolute oil groove communicates with the absolute oil passage;
Offer many outages on the lining, several outages that are positioned at the first half communicate with the conversion chamber, the first middle outage communicates with dirty oily passage and last inner chamber, and the second middle outage communicates with absolute oil passage and lower inner cavity, and several outages that are positioned at Lower Half communicate with filter chamber;
Following filtration net cover is located at the Lower Half of lining, and the interior hydraulic fluid port of following screen pack side communicates with the oilhole of lining Lower Half, and last filtration net cover is located at the first half of lining, and the interior hydraulic fluid port of last screen pack side communicates with the oilhole of the lining first half;
Be not pressed in vertical delegation's oilhole of the lining first half and the first half on the distributing shaft, communicate by last several and absolute oil groove in this row oilhole by the axial plane of milling, by under several and dirty oil groove communicate;
The top of distributing shaft is connected with motor by jackshaft, and the motor drives distributing shaft rotates, and vertical delegation's oilhole of not pushed down by the axial plane of milling on the distributing shaft is constantly replaced;
Housing is provided with oil-in, oil-out, returns hydraulic fluid port and sump oil mouth, and oil-in communicates with filter chamber, and oil-out communicates with lower inner cavity, returns hydraulic fluid port and communicates with the conversion chamber, and the sump oil mouth communicates with last inner chamber.
2. full-automatic back washing fuel oil filter according to claim 1 is characterized in that: described screen pack down and last screen pack are formed by stacking by a plurality of filters respectively, and filter is flat ring-type, and the hollow part of ring-type can be enclosed within on the lining just; Filter is connected to form by a plurality of fan-shaped barriers, be provided with a plurality of grids in each fan-shaped barrier, all be provided with screen pack on each grid, have inner oil sump on the inner arc limit of fan-shaped barrier, have outer oil sump on the outer arc limit of fan-shaped barrier, the degree of depth of inside and outside oil groove all is not more than half of fan-shaped barrier thickness, and the opening of inside and outside oil groove lays respectively at the both sides of screen pack; When the stack of a plurality of filters, the fan-shaped barrier on two adjacent filters will connect airtight and constitute a filtration cavity that is equipped with screen pack up and down together; This filtration cavity comprises two states, first kind of state is that two inner oil sumps connect and constitute interior hydraulic fluid port, second kind of state is that two outer oil sumps connect and constitute outer hydraulic fluid port, and when a plurality of filters stack, the filtration cavity of described two states is staggered.
3. full-automatic back washing fuel oil filter according to claim 1 is characterized in that: described screen pack down is formed by stacking by 24 filters, and last screen pack is formed by stacking by 12 filters.
4. according to claim 2 and 3 described full-automatic back washing fuel oil filters, it is characterized in that: described filter is provided with installing hole, when a plurality of filters superpose, is fixed in one by installing hole with nut.
5. full-automatic back washing fuel oil filter according to claim 2, it is characterized in that: the fan-shaped barrier on the described filter disc is eight, each fan-shaped barrier is provided with an inner oil sump and two outer oil sumps, the filtration cavity that is constituted during two filter stacks, an interior hydraulic fluid port is perhaps arranged, two outer hydraulic fluid ports are perhaps arranged.
6. full-automatic back washing fuel oil filter according to claim 1 is characterized in that: not by the axial plane of milling, be oblique from vertical direction on the described distributing shaft, the dirty oil groove on it also is oblique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820139307XU CN201304272Y (en) | 2008-10-28 | 2008-10-28 | Full-automatic back flush fuel oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820139307XU CN201304272Y (en) | 2008-10-28 | 2008-10-28 | Full-automatic back flush fuel oil filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201304272Y true CN201304272Y (en) | 2009-09-09 |
Family
ID=41096734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820139307XU Expired - Fee Related CN201304272Y (en) | 2008-10-28 | 2008-10-28 | Full-automatic back flush fuel oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201304272Y (en) |
-
2008
- 2008-10-28 CN CNU200820139307XU patent/CN201304272Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20101028 |