CN220696085U

CN220696085U - Cooling water inlet pipeline structure of oil cooler

Info

Publication number: CN220696085U
Application number: CN202322344596.4U
Authority: CN
Inventors: 吴煜; 张英健; 陈磊
Original assignee: Hubei Energy Group Ezhou Power Generation Co ltd
Current assignee: Hubei Energy Group Ezhou Power Generation Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-04-02
Anticipated expiration: 2033-08-30

Abstract

The utility model provides a cooling water inlet pipeline structure of an oil cooler, which comprises a main inlet pipeline, wherein a branch inlet pipeline is communicated with the main inlet pipeline, a filter and two hand gates are arranged on the main inlet pipeline and the branch inlet pipeline, the two hand gates are respectively positioned on the front side and the rear side of the filter, differential pressure gauges positioned between the two hand gates are also arranged on the main inlet pipeline and the branch inlet pipeline, and two input ends of the differential pressure gauges are respectively positioned on the front side and the rear side of the filter. Through add a filter in the entry pipeline of cold oil ware, be convenient for improve filtration efficiency through multiple filtration, through setting up two pipelines in addition, and set up the differential pressure gauge in the filter, be convenient for judge pipeline jam condition through the differential pressure to change the filtration pipeline, thereby clear up the jam pipeline, and keep filtration efficiency.

Description

Cooling water inlet pipeline structure of oil cooler

Technical Field

The utility model relates to the field of pipeline filtration, in particular to a pipeline structure of a cooling water inlet of an oil cooler.

Background

In thermal power enterprises, cooling of the transfer equipment is always a key for maintaining safety and stable operation of the unit. At present, turbine lubricating oil, water supply pump lubricating oil, hydrogen, closed water, generator stator cooling water and vacuum pump cooling water are commonly used in an open circulating water mode, wherein a secondary water supply system with a natural ventilation cooling tower adopts a unit operation mode, circulating water of the cooling tower is pumped into a condenser by a circulating water pump, after the cooling unit is exhausted, the circulating water is discharged to the cooling tower through a water return main pipe and naturally cooled, in the mode, solid impurities in the open water can be filtered by setting an automatic back flushing filter screen in the system, however, in the long-term operation process, the problem that each cooler is frequently blocked still exists, disassembly and cleaning are needed, and besides calcium and magnesium ion scale, a plurality of water creatures (shells and water tanks) and a plurality of fragments of water layers adjacent to the cooling tower are arranged on a heat exchange plate of the cooler, so the cooling water inlet pipeline structure of the oil cooler is provided to solve the problems.

Disclosure of Invention

The utility model mainly aims to provide a cooling water inlet pipeline structure of an oil cooler, which solves the problem that the cooler is frequently blocked and needs to be disassembled and cleaned.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an oil cooler cooling water inlet pipeline structure, includes main inlet pipeline, and the intercommunication has a branch entry pipeline on the main inlet pipeline, all is provided with filter and two hand brake gates on main inlet pipeline and the branch entry pipeline, and two hand brake gates are located the front and back both sides of filter respectively, still are provided with the differential pressure gauge that is located between two hand brake gates on main inlet pipeline and the branch entry pipeline, and two input of differential pressure gauge are located the front and back both sides of filter respectively.

In the preferred scheme, the filter includes that the top is the filter vat of opening form to and peg graft in the filter vat and filter the core, be provided with two business turn over water pipes on the filter vat symmetry, be provided with quick assembly disassembly structure between filter vat and the filter core.

In the preferred scheme, the filter core includes the top cap, sets up at the embedded seat of top cap bottom, sets up the filter screen in embedded seat bottom to and set up the handle at the top cap top, the cross-section of top cap is concave font, suit in the top of filter vat.

In a preferred scheme, the quick assembly disassembly structure comprises a supporting ring arranged outside the filter vat, wherein the supporting ring and the top end of the filter vat form a step shape, a plurality of supporting springs are annularly arranged at the top of the supporting ring, tension interference rings are arranged at the top ends of the supporting springs, two U-shaped clamping grooves are formed in the inner wall surface of the filter vat, one side of the two U-shaped clamping grooves is distributed relatively, the other side of the two U-shaped clamping grooves is distributed along the anticlockwise direction of the filter vat, and locking grooves are formed in one side of the two opposite U-shaped clamping grooves and are positioned in the middle of the side;

the quick assembly disassembly structure also comprises two locking components symmetrically arranged outside the embedded seat and used for being clamped with the locking groove;

when the locking assembly is clamped with the locking groove, a gap is reserved between the inner top wall of the top cover and the top end of the filter vat.

In the preferred scheme, the locking assembly comprises a hollow positioning block, two limiting grooves, a telescopic spring, a locking bolt and two limiting blocks, wherein the hollow positioning block is arranged outside the embedded seat, the other end of the hollow positioning block is in an opening shape, the two limiting grooves are arranged on the opposite inner wall surfaces of the hollow positioning block, the telescopic spring is arranged in the hollow positioning block, the locking bolt is arranged on the end of the telescopic spring, and the limiting blocks are symmetrically arranged outside the locking bolt and are respectively in sliding connection with the two limiting grooves, wherein the width of the hollow positioning block is matched with the groove width of the U-shaped clamping groove;

the bottom of the front end of the locking bolt and the bottom of the locking groove are slope surfaces which are matched.

In the preferred scheme, the top of two U-shaped draw-in grooves opposite side is provided with the direction slope with the adaptation of locking tongue front end bottom.

In the preferred scheme, the bottom outside of embedded seat is provided with first sealing washer.

In the preferred scheme, the outside at filter vat top is provided with the second sealing washer.

The utility model provides a cooling water inlet pipeline structure of an oil cooler, which is convenient for improving the filtering efficiency through multiple filtering by adding a filter in an inlet pipeline of the oil cooler.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic diagram of a pipeline according to the present utility model;

FIG. 2 is a block diagram of a filter of the present utility model;

FIG. 3 is an exploded view of the filter structure of the present utility model;

FIG. 4 is a block diagram of a filter cartridge of the present utility model;

FIG. 5 is an enlarged view of the structure A of FIG. 4 in accordance with the present utility model;

FIG. 6 is a top view of the filter vat construction of the present utility model;

FIG. 7 is a block diagram of a filter element of the present utility model;

FIG. 8 is a top view of the filter element structure of the present utility model;

FIG. 9 is a cross-sectional view of a filter construction of the present utility model;

FIG. 10 is a cross-sectional view of the attachment of the filter cartridge to the filter cartridge of the present utility model;

FIG. 11 is an enlarged view of the structure B of FIG. 10 in accordance with the present utility model;

in the figure: a main inlet duct 1; a branch inlet pipe 2; a hand gate 3; a filter 4; a filter tub 41; a water inlet/outlet pipe 411; a support ring 412; a support spring 413; tension interference ring 414; a second seal ring 415; a U-shaped clamping groove 416; a locking groove 417; a guide ramp 418; a filter element 42; a handle 421; an insert 422; a filter screen 423; a locking assembly 424; a hollow locating block 4240; a limiting groove 4241; a telescopic spring 4242; a locking tongue 4243; a stopper 4244; a first seal ring 425; differential pressure gauge 5.

Detailed Description

Example 1

As shown in fig. 1, an oil cooler cooling water inlet pipeline structure comprises a main inlet pipeline 1, a branch inlet pipeline 2 is communicated with the main inlet pipeline 1, a filter 4 and two hand brake gates 3 are arranged on the main inlet pipeline 1 and the branch inlet pipeline 2, the two hand brake gates 3 are respectively positioned on the front side and the rear side of the filter 4, a differential pressure gauge 5 positioned between the two hand brake gates 3 is further arranged on the main inlet pipeline 1 and the branch inlet pipeline 2, and two input ends of the differential pressure gauge 5 are respectively positioned on the front side and the rear side of the filter 4.

It should be noted that, the filter 4, the hand gate 3 and the differential pressure gauge 5 on the main inlet pipe 1 are located between two ports of the branch inlet pipe 2, and the mesh size of the filter 4 is smaller than that of the automatic back flushing filter in the original pipe system.

When the oil cooler is used, the filter 4 with smaller mesh number is added in the inlet pipeline of the oil cooler, so that multiple filtering is formed by utilizing the filter 4 and an automatic back flushing filter screen, the filtering effect is finer, meanwhile, the branch inlet pipeline 3 is added on the main inlet pipeline 1, the differential pressure gauge 5 is arranged, the condition that the filter 4 of the pipeline is blocked is conveniently judged according to the differential pressure data of the differential pressure gauge 5, and when the blockage is serious, the pipeline can be filtered by controlling the switch of the two hand gates 3, and the blocked pipeline is cleaned.

Example 2

In further explanation with reference to embodiment 1, as shown in fig. 2-11, in order to improve the cleaning efficiency of the filter 4, a filter 4 convenient for quick assembly and disassembly is provided, where the filter 4 includes a filter vat 41 with an open top, and a filter core 42 inserted in the filter vat 41, two water inlet and outlet pipes 411 are symmetrically arranged on the filter vat 41, and a quick assembly and disassembly structure is provided between the filter vat 41 and the filter core 42.

Wherein, the filter element 42 comprises a top cover 420, an embedded seat 422 fixed at the bottom of the top cover 420, a filter screen 423 fixed at the bottom of the embedded seat 422, and a handle 421 fixed at the top of the top cover 420, the section of the top cover 420 is concave, the top of the filter barrel 41 is sleeved with the top of the filter barrel 41, the inner diameter of the top cover 420 is matched with the outer diameter of the top of the filter barrel 41, and the outer part of the embedded seat 422 is matched with the inner diameter of the filter barrel 41.

In a preferred embodiment, the quick assembling and disassembling structure includes a supporting ring 412 fixedly arranged outside the filter vat 41, the supporting ring 412 and the top end of the filter vat 41 form a step shape, a plurality of supporting springs 413 are annularly equidistant on the top of the supporting ring 412, in this embodiment, the number of the supporting springs 413 is ten, a tension supporting ring 414 is fixedly arranged on the top end of the supporting spring 413, two U-shaped clamping grooves 416 are arranged on the inner wall surface of the filter vat 41, one side of the two U-shaped clamping grooves 416 is relatively distributed, the other side of the two U-shaped clamping grooves 416 is relatively distributed along the anticlockwise direction of the filter vat 41, and locking grooves 417 are respectively arranged on one side of the two opposite sides of the two U-shaped clamping grooves 416 and are positioned in the middle of the side;

the quick assembly disassembly structure further comprises two locking assemblies 424 symmetrically fixed outside the embedded seat 422 and used for being clamped with the locking grooves 417;

when the locking assembly 424 is engaged with the locking groove 417, a gap is reserved between the inner top wall of the top cover 420 and the top end of the filter cartridge 41, and the supporting spring 413 ensures a tension state.

In a preferred embodiment, the locking assembly 424 includes a hollow positioning block 4240 disposed outside the inner housing 422 and having an opening at the other end, two limiting grooves 4241 disposed on opposite inner wall surfaces of the hollow positioning block 4240, a telescopic spring 4242 disposed in the hollow positioning block 4240, a locking bolt 4243 disposed on an end of the telescopic spring 4242, and two limiting blocks 4244 symmetrically fixed outside the locking bolt 4243 and respectively slidingly connected with the two limiting grooves 4241, wherein the width of the hollow positioning block 4240 is adapted to the groove width of the U-shaped clamping groove 416;

the bottom of the front end of the locking bolt 4243 and the bottom of the locking groove 417 are matched slope surfaces.

During installation, the two locking assemblies 424 are aligned with the opposite sides of the two U-shaped clamping grooves 416 respectively, and are inserted into the two U-shaped clamping grooves until the locking bolts 4243 are inserted into the locking grooves 417 under the tension of the telescopic springs 4242, so that the installation of the filter element 42 is completed;

when the filter element 42 is disassembled, the tension interference ring 414 and the supporting spring 413 are compressed, and the bottom of the locking bolt 4243 is contracted when being in interference with the bottom of the locking groove 417, so that the filter element 42 is contacted and fixed, the filter element 42 is rotated anticlockwise, the locking assembly 424 is slid to the other side of the U-shaped clamping groove 416, and then the locking assembly is pulled out.

In a preferred embodiment, the top ends of opposite sides of the two U-shaped clamping grooves 416 are provided with guiding slopes 418 adapted to the bottom of the front end of the locking bolt 4243, so that when the locking bolt 4243 is installed, the installation position of the locking assembly 424 can be quickly found, and meanwhile, when the locking bolt 4243 is inserted, the locking bolt is contracted after being collided by the guiding slopes 418.

Preferably, a first sealing ring 425 is disposed outside the bottom end of the embedded seat 422; the second sealing ring 415 is arranged outside the top end of the filter barrel 41, and the double sealing effect can be achieved through the two sealing rings, so that the leakage is avoided.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims

1. The utility model provides an oil cooler cooling water inlet pipeline structure, includes main inlet pipeline (1), characterized by: the main inlet pipeline (1) is communicated with the branch inlet pipeline (2), the main inlet pipeline (1) and the branch inlet pipeline (2) are both provided with a filter (4) and two hand brake gates (3), the two hand brake gates (3) are respectively positioned on the front side and the rear side of the filter (4), the main inlet pipeline (1) and the branch inlet pipeline (2) are also provided with a differential pressure gauge (5) positioned between the two hand brake gates (3), and two input ends of the differential pressure gauge (5) are respectively positioned on the front side and the rear side of the filter (4).

2. The oil cooler cooling water inlet pipeline structure according to claim 1, wherein: the filter (4) comprises a filter vat (41) with an opening-shaped top and a filter core (42) inserted in the filter vat (41), two water inlet and outlet pipes (411) are symmetrically arranged on the filter vat (41), and a quick dismounting structure is arranged between the filter vat (41) and the filter core (42).

3. The oil cooler cooling water inlet pipeline structure according to claim 2, wherein: the filter element (42) comprises a top cover (420), an embedded seat (422) arranged at the bottom of the top cover (420), a filter screen (423) arranged at the bottom of the embedded seat (422) and a handle (421) arranged at the top of the top cover (420), wherein the section of the top cover (420) is concave, and is sleeved at the top end of the filter vat (41).

4. A cold oil cooler cooling water inlet pipe structure according to claim 3, characterized in that: the quick assembly disassembly structure comprises a supporting ring (412) arranged outside a filter vat (41), wherein the supporting ring (412) and the top end of the filter vat (41) form a step shape, a plurality of supporting springs (413) are annularly arranged at the top of the supporting ring (412), tension interference rings (414) are arranged at the top ends of the supporting springs (413), two U-shaped clamping grooves (416) are formed in the inner wall surface of the filter vat (41), one side of the two U-shaped clamping grooves (416) is distributed relatively, the other side of the two U-shaped clamping grooves is distributed along the anticlockwise direction of the filter vat (41), and locking grooves (417) are formed in one side of the two opposite U-shaped clamping grooves (416) and are positioned in the middle of the side;

the quick assembly disassembly structure also comprises two locking assemblies (424) symmetrically arranged outside the embedded seat (422) and used for being clamped with the locking grooves (417);

when the locking component (424) is clamped with the locking groove (417), a gap is reserved between the inner top wall of the top cover (420) and the top end of the filter vat (41).

5. The oil cooler cooling water inlet pipeline structure according to claim 4, wherein: the locking assembly (424) comprises a hollow positioning block (4240) which is arranged outside the embedded seat (422) and is provided with an opening at the other end, two limiting grooves (4241) which are arranged on the opposite inner wall surfaces of the hollow positioning block (4240), a telescopic spring (4242) which is arranged in the hollow positioning block (4240), a locking bolt (4243) which is arranged on the end of the telescopic spring (4242), and two limiting blocks (4244) which are symmetrically arranged outside the locking bolt (4243) and are respectively connected with the two limiting grooves (4241) in a sliding mode, wherein the width of the hollow positioning block (4240) is matched with the groove width of the U-shaped clamping groove (416);

the bottom of the front end of the locking bolt (4243) and the bottom of the locking groove (417) are slope surfaces which are matched.

6. The oil cooler cooling water inlet pipeline structure according to claim 5, wherein: the top ends of the opposite sides of the two U-shaped clamping grooves (416) are provided with guide slopes (418) which are matched with the bottoms of the front ends of the locking bolts (4243).

7. The oil cooler cooling water inlet pipeline structure according to claim 5, wherein: a first sealing ring (425) is arranged outside the bottom end of the embedded seat (422).

8. The oil cooler cooling water inlet pipeline structure according to claim 7, wherein: the outside at filter vat (41) top is provided with second sealing washer (415).