CN203532243U - Self-lubricating system of sea water pump - Google Patents
Self-lubricating system of sea water pump Download PDFInfo
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- CN203532243U CN203532243U CN201320609038.XU CN201320609038U CN203532243U CN 203532243 U CN203532243 U CN 203532243U CN 201320609038 U CN201320609038 U CN 201320609038U CN 203532243 U CN203532243 U CN 203532243U
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- water
- water pump
- main line
- way valve
- filter
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Abstract
The utility model discloses a self-lubricating system of a sea water pump. The self-lubricating system of the sea water pump comprises a main pipe, an external connection water pipe and two backwashing pipes. A first sluice valve, a supercharging water pump, a second sluice valve, a two-position two-way valve, a pressure transmitter and a flow switch are sequentially installed on the main pipe, and a two-position two-way valve is installed on the external connection water pipe; one end of one backwashing pipe is connected with a pollution discharging pipe, and the other end of the backwashing pipe is connected with one two-position three-way valve; one end of the other backwashing pipe is communicated with the main pipe, and the other end of the backwashing pipe is connected with the other two-position three-way valve. According to the self-lubricating system, seawater is taken from a discharging port of a pump set to serve as a lubricating water source, the water source is filtered through a filter, a large part of the water source is used as lubricating water of the pump set, a small part of the water source is used as a backwashing water source, fresh water resources are saved, energy conservation and environmental protection are achieved, and the long-term safe and stable operation of the sea water pump is guaranteed.
Description
Technical field
The utility model belongs to fluid machinery technical field, is specially a kind of sea water pump self lubricating system.
Background technique
Existing sea water pump lubricates water system, as shown in Figure 4, has following drawback:
1. water intaking form is in the majority with external lubricated water, causes precious freshwater resources waste, has run counter to country and during " 12 ", has delivered the call of energy-saving and emission-reduction.
2. adopt the filter of selflubricating form in the majority with y-type filter 15, y-type filter 15 ubiquity pollutant holding capabilities are little, be subject to that dirt stops up, cleaning is complicated and can affect the defects such as pump group work in cleaning process.
3. the backwash mode of existing filter is the backwash of external source press water, need whole process that clean external source press water is provided, cause the wasting of resources, and if external source press water go wrong (as unstable in the water yield, water source is contaminated etc.), filter backwash can lose efficacy, and produces potential safety hazard.
Model utility content
The problems referred to above for prior art, the utility model aims to provide a kind of sea water pump self lubricating system, this self lubricating system is taken from body seawater from pump group discharge opening and is done lubricated water source, after water source filters by filter, most of for the lubricated water of pump group, fraction serves as backwash water source, fresh-water-saving resource, energy-conserving and environment-protective, guarantee the stable operation of sea water pump long-term safety.
To achieve these goals, the technological scheme that the utility model adopts is: a kind of sea water pump self lubricating system, comprise that one end connects the pump main line that the mouth of a river, the other end be connected with pump group water intake that spues, the external water pipe road that one end is connected with main line, the other end is communicated with main line; Its structural feature is also to comprise two backwash pipelines; The first gate valve, booster water pump, the second gate valve, 2/2-way valve, pressure transmitter and flow switch are housed on described main line in turn, wherein between booster water pump and the first gate valve, by three main line arms in parallel, be connected, in three main line arms, on a main line arm, differential pressure switch is housed, on another two main line arms, filter is housed, at water intake and the water outlet of each filter, two-position three-way valve is all housed; Described external water pipe is equipped with 2/2-way valve on road; One end of a backwash pipeline in described two backwash pipelines is connected with drain pipe, and the other end is connected with the two-position three-way valve near the first gate valve; One end of another root backwash pipeline is communicated with the main line between booster water pump and the first gate valve, and the other end is connected with the two-position three-way valve near booster water pump.
Be below the technological scheme of further improvement of the utility model:
In order to control more easily each valve, described 2/2-way valve and two-position three-way valve are solenoid valve.
In order to improve filtering effect, described filter is laminated filter.
The method of utilizing the above-mentioned sea water pump self lubricating system of the utility model to carry out selflubricating comprises the steps:
1), before pump group starts, open the 2/2-way valve on external water pipe road, close the 2/2-way valve on main line, external water pipe road provides pump group to lubricate water;
2), start pump group, when pump group operates steadily, close the 2/2-way valve on external water pipe road, open the 2/2-way valve on main line, then open booster water pump, the press water of pump group discharge opening enters main line as the lubricated water of pump group;
3), from the diversion of pump group discharge opening, keep the first gate valve and the second gate valve to open, four groups of two-position three-way valves before and after two set filters are opened, pump group self water imports respectively in two set filters in parallel, clean water after filtration flows to booster water pump again, is delivered to pump group and needs water lubrication and cooling parts after booster water pump supercharging.
When in two set filters, the water intake of the first set filter and the pressure reduction of water outlet reach setting value, close two two-position three-way valves of the first set filter intake-outlet, now, two backwash pipelines are all communicated with the first set filter, the filter core of guiding filter of clean water after the interior supercharging of main line 10 in backwash pipeline, then by another root backwash pipeline, sewage is discharged by drain pipe.
By said structure, from pump group discharge opening, take from body seawater and do lubricated water source, suspended matter and the laminated filter that impurity rejection effect is good, dismounting is easy to maintenance, overall plastic material has the advantages such as outstanding resist chemical, the backwash mode of filter is endogenous backwash: after water source filters by filter, clean water after lubricated water pump supercharging, supercharging is most of for the lubricated water of pump group again, and fraction serves as backwash water source.
Compared with prior art, the beneficial effects of the utility model are:
1, utilize self water backwash, save external water resources, backwash water, by lubricated water pump supercharging, has good backwash effect;
2, laminated filter filters large, the difficult obstruction of pollutant holding capability, and manually unpicks and washes conveniently;
3, the flow through water source of booster water pump, is the clean water after filtering, and is beneficial to the long-term stability operation of booster water pump;
4, through the lubricated water of the filtration of booster water pump, due to increasing of pressure, can stop that medium seawater is reverse to be entered and pollute guide bearing, thereby guarantee the clean of guide bearing, extend the working life of guide bearing, and then make sea water pump long-time running stable;
5, backwash mode is controlled the switch of solenoid valve by differential pressure switch, two set filters successively carry out backwash process (first group of complete carrying out after normal filtration work of backwash automatically, second group is just carried out backwash process), have all the time a set filter that the backwash for lubricated and another set filter of sea water pump of enough clean water is provided, automaticity is high and safe and reliable.
Below in conjunction with drawings and Examples, the utility model is further elaborated.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment's of the utility model schematic diagram and normal filtration state logic figure.
Fig. 2 is the system logic figure of the first set filter backwash working state of the present utility model.
Fig. 3 is the system logic figure of the second set filter backwash working state of the present utility model.
Fig. 4 is the lubricated water system logic diagram of existing sea water pump.
In the drawings
1-the first gate valve; 2-two-bit triplet solenoid valve; 3-laminated filter;
4-differential pressure switch; 5-booster water pump; 6-2/2-way solenoid valve (often opening);
7-2/2-way solenoid valve (normally closed); 8-pressure transmitter; 9-flow switch;
10-main line; 11-backwash pipeline; 12-external water pipe road; 13-the 3rd gate valve;
14-the second gate valve; 15-Y type filter; .
Embodiment
A sea water pump self lubricating system, as shown in Figure 1, this system comprises gate valve 1, two-bit triplet solenoid valve 2, laminated filter 3, differential pressure switch 4, booster water pump 5,2/2- way solenoid valve 6,7, pressure transmitter 8, flow switch 9 and each pipeline;
A sea water pump selflubricating integrated device embodiment, this device is divided into three pipelines: main line 10, backwash pipeline 11; External water pipe road 12;
As shown in Figure 1, being connected of each pipeline and each parts following (with water (flow) direction for backward sequentially):
Main line is connected with pump group discharge opening, above connects gate valve; The laminated filter of two groups of parallel connections is housed on the main line after gate valve, before and after every group of laminated filter, on pipeline, a two-bit triplet solenoid valve is housed; Differential pressure switch and two groups of in parallel being connected on main line of laminated filter; Suction booster is connected on two groups of main lines after laminated filter, connects with two groups of laminated filters; After suction booster, main line joins with sea water pump after successively connecting gate valve, 2/2-way solenoid valve, pressure transmitter, flow switch; Main line between backwash pipeline first paragraph connection suction booster and the second gate valve 14 and the two-bit triplet solenoid valve of two groups of laminated filter left ends, second segment is connected with the two-bit triplet solenoid valve of two groups of laminated filter right-hand members as drain pipe; External water pipe road and the main line between 2/2-way solenoid valve and pressure transmitter join, and above connect a 2/2-way solenoid valve.
The method of utilizing self lubricating system of the present utility model to carry out selflubricating to sea water pump comprises the steps:
1, before pump group starts, open the 2/2-way solenoid valve on external water pipe road, close the 2/2-way solenoid valve on main line, now external water pipe road provides pump group to lubricate water lubricating pilot bearings, to guarantee the clean boot of pump;
2, after pump group starts and reaches operating point and operate steadily to pump, close the 2/2-way solenoid valve on external water pipe road, open the 2/2-way solenoid valve on main line, open booster water pump, now discharge opening press water enters main line, provides pump group to lubricate water;
3, from the diversion of pump group discharge opening, 2 gate valves are in opening state, four groups of two-bit triplet solenoid valve open and-shut modes before and after two groups of laminated filters as shown in Figure 1, pump group self water imports respectively two groups of laminated filters in parallel, clean water after filtration flows to booster water pump again, is transported to pump group and needs water lubrication and cooling parts after booster water pump supercharging;
4, during device normal filtration, pressure transmitter, flow switch, differential pressure switch are monitored in real time to the hydraulic parameters in pipeline, and with long-range output alarm function, urgency linkage is shut down;
5, the water inlet and outlet pressure reduction before and after filter reaches setting value---when excessively being stopped up the hydraulic pressure making after filtration, laminated filter is low to moderate certain value, by the backwash mode of automatic opening filter.Work-based logic is as Fig. 2 and Fig. 3: former and later two two-bit triplet solenoid valves of first laminated filter will cut out in mode as shown in Figure 2, be that backwash pipeline and first group of laminated filter are connected, clean water after supercharging is guided filter element of lamination type filter into by backwash pipeline, and the sewage rinsing out is discharged by drain pipe again; When first group of laminated filter of backwash, another group laminated filter in working order in, water source there will not be cutout, can guarantee the completing of normal lubricated and cooling and first group of laminated filter work of backwash of sea water pump; After first laminated filter backwash is clean, first group of former and later two two-bit triplet filter of laminated filter mode as shown in Fig. 3 opens and closes, carry out normal filtration work, then former and later two two-bit triplet solenoid valves of second laminated filter as shown in Figure 3 mode open and close, be that backwash pipeline and second group of laminated filter are connected, clean water after supercharging is guided filter element of lamination type filter into by backwash pipeline, and its backwash process is identical with first group of laminated filter; After second laminated filter backwash is clean, recover as the normal filtration state of Fig. 1.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the utility model, and be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
Claims (3)
1. a sea water pump self lubricating system, comprises that one end connects the pump main line (10) that the mouth of a river, the other end be connected with pump group water intake that spues, the external water pipe road (12) that one end is connected with main line (10), the other end is communicated with main line (10); It is characterized in that, also comprise two backwash pipelines (11); The first gate valve (1), booster water pump (5), the second gate valve (15), 2/2-way valve (6), pressure transmitter (8) and flow switch (9) are housed on described main line (10) in turn, wherein between booster water pump (5) and the first gate valve (1), by three main line arms in parallel, be connected, in three main line arms, differential pressure switch (4) is housed on a main line arm, on another two main line arms, filter (3) is housed, at water intake and the water outlet of each filter (3), two-position three-way valve (2) is all housed; 2/2-way valve (7) is housed on described external water pipe road (12); One end of a backwash pipeline (11) in described two backwash pipelines (11) is connected with drain pipe, and the other end is connected with the two-position three-way valve (2) near the first gate valve (1); One end of another root backwash pipeline (11) is communicated with the main line (10) being positioned between booster water pump (5) and the first gate valve (15), and the other end is connected with the two-position three-way valve (2) near booster water pump (5).
2. sea water pump self lubricating system according to claim 1, is characterized in that, described 2/2-way valve (6,7) and two-position three-way valve (2) are solenoid valve.
3. sea water pump self lubricating system according to claim 1, is characterized in that, described filter (3) is laminated filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320609038.XU CN203532243U (en) | 2013-09-30 | 2013-09-30 | Self-lubricating system of sea water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320609038.XU CN203532243U (en) | 2013-09-30 | 2013-09-30 | Self-lubricating system of sea water pump |
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| Publication Number | Publication Date |
|---|---|
| CN203532243U true CN203532243U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320609038.XU Expired - Lifetime CN203532243U (en) | 2013-09-30 | 2013-09-30 | Self-lubricating system of sea water pump |
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| CN (1) | CN203532243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486021A (en) * | 2013-09-30 | 2014-01-01 | 湖南耐普泵业有限公司 | Self-lubricating system and method of sea water pump |
-
2013
- 2013-09-30 CN CN201320609038.XU patent/CN203532243U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486021A (en) * | 2013-09-30 | 2014-01-01 | 湖南耐普泵业有限公司 | Self-lubricating system and method of sea water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUNAN NEPTUNE PUMP CO., LTD. Free format text: FORMER NAME: HUNAN NEPTUNE PUMP INDUSTRY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 410100 Hunan province Changsha Panpan Changsha economic and Technological Development Zone, Road No. 26 Patentee after: HUNAN NEPTUNE PUMP Co.,Ltd. Address before: 410100 Hunan province Changsha City, national economic and Technological Development Zone (Xingsha) Panpan Road No. 26 Patentee before: HUNAN NEPTUNE PUMP Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of sea water pump self lubricating system and self-lubricating method Effective date of registration: 20161227 Granted publication date: 20140409 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: HUNAN NEPTUNE PUMP Co.,Ltd. Registration number: 2016430000067 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190322 Granted publication date: 20140409 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: HUNAN NEPTUNE PUMP Co.,Ltd. Registration number: 2016430000067 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |