CN216457232U - Installation structure of fire water pump suction pipe filter in pump house - Google Patents
Installation structure of fire water pump suction pipe filter in pump house Download PDFInfo
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- CN216457232U CN216457232U CN202122892301.8U CN202122892301U CN216457232U CN 216457232 U CN216457232 U CN 216457232U CN 202122892301 U CN202122892301 U CN 202122892301U CN 216457232 U CN216457232 U CN 216457232U
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Abstract
The utility model discloses an installation structure of a fire-fighting water pump suction pipe filter in a pump room, which comprises a filter, wherein the filter comprises a water delivery main pipe and a filter cartridge obliquely communicated with the water delivery main pipe; the other end of the main water delivery pipe of the filter is connected and communicated with a water suction pipe of a water pump which is horizontally arranged, and the axis of a filter cartridge of the filter is positioned in a vertical plane; and a pit for providing a space for assembling and disassembling the filter element is arranged at a position, intersected with the axis of the filter cylinder, in the ground of the pump room, wherein the length between the opening of the filter cylinder and the ground of the pump room in the axis direction of the filter cylinder is smaller than that of the filter element in the filter cylinder, and the length between the opening of the filter cylinder and the pit bottom of the pit in the axis direction of the filter cylinder is larger than that of the filter element in the filter cylinder. The utility model has simple and reasonable structure and design, easy construction and construction, low manufacturing cost and strong practicability.
Description
Technical Field
The utility model relates to a mounting structure of a filter, in particular to a mounting structure of a fire water pump suction pipe filter in a pump room.
Background
The national standard GB50974-2014 specification for fire-fighting water supply and hydrant system technical specification 5.1.12 stipulates: the fire pump adopts self-filling water absorption to ensure that water supply can be started in time when a fire occurs, and the minimum effective water level of a water pool is not lower than a pump top vent hole of a horizontal centrifugal pump and a first-stage pump body of a vertical centrifugal pump when the self-filling water absorption is carried out.
The effective volume of the pool is influenced by the arrangement of the lowest effective water level of the pool, the water level is usually determined by the height of a pump house water pump foundation, an air vent and a pump body structure size of a water pump product, the installation of a pump house water pump and pipeline facilities is shown in figure 1 (a water pump, foundation and pipeline arrangement section view), the height of the water pump foundation above the ground is convenient for the installation of the water pump and is not less than 0.10m, and in the actual installation project, in order to fully benefit the water storage of the pool, the height of the water pump foundation is usually 0.1-0.15 m above the ground.
The requirements of the building water supply and drainage design standard GB50015-2019 are as follows: the connection between the water suction pipe of the water pump and the water inlet of the water pump adopts pipe top butt joint. In order to ensure that the water pump can normally and automatically fill and no air is accumulated in the water suction main pipe in the running process, the normal and continuous running of the water pump is ensured, the top of the water suction main pipe is lower than the starting water level of the water pool, and the connection between the water suction pipe of the water pump and the water pump adopts pipe top butt joint as shown in figure 1.
In the engineering installation, after water pump, the basis installation often appear, discover that the pump absorbs water the installation interval of filter to water pump house ground on the pipe and is difficult to satisfy the filter dismouting (the filter should be installed in order to reach best filter effect down, below needs to have filter screen business turn over length when the filter is dismantled). When the condition occurs, in order to meet the dismounting and mounting requirements of daily cleaning and maintenance of the filter, the filter is mounted to form an included angle with the vertical surface or even be mounted horizontally by a plurality of projects, so that the filtering capacity of the filter is weakened or even lost, and the water quality safety of fire-fighting water supply is difficult to guarantee. The partial project is for satisfying the perpendicular installation downwards of filter, increases the water pump basis height, raises the water pump water sucking mouth height, and the increase water pump absorbs water the pipe apart from the ground height, causes the effective water level in pond to be raised, extravagant effective volume in pond.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to overcome the defects and provides the mounting structure of the fire water pump suction pipe filter in the pump room.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the utility model is as follows:
the utility model relates to an installation structure of a fire water pump suction pipe filter in a pump room, which comprises a filter, wherein the filter comprises a water delivery main pipe and a filter cylinder obliquely communicated with the water delivery main pipe, a filter element is arranged in the filter cylinder, and an opening of the filter cylinder is detachably provided with an end cover; the filter is positioned in the pump room, and one end of the water delivery main pipe of the filter is connected and communicated with a fire pool water outlet pipe which extends out of the self-extinguishing water pool and is horizontally arranged; the other end of the water delivery main pipe of the filter is connected and communicated with a water suction pipe of a water pump arranged horizontally, and the axis of a filter cylinder of the filter is positioned in a vertical plane; the length between the opening of the filter cylinder and the ground of the pump room in the axial direction of the filter cylinder is smaller than that of the filter element in the filter cylinder, and the length between the opening of the filter cylinder and the bottom of the pit in the axial direction of the filter cylinder is larger than that of the filter element in the filter cylinder.
Furthermore, when the pipe diameter of the filter is not more than 150mm, the depth H2 of the concave pit is equal to 0.6m minus the height H1 between the water suction pipe of the water pump and the ground of the pump room; when the pipe diameter of the filter is larger than 150mm and smaller than 300mm, the depth H2 of the concave pit is equal to 0.8m minus the height H1 between the water suction pipe of the water pump and the ground of the pump room.
Furthermore, the length of the pit is equal to twice that of the main water pipe; the width of the pit is equal to three times of the pipe diameter of the filter.
Furthermore, the pit is communicated with one end of a drain pipe, and the other end of the drain pipe is communicated with a pump room sump.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
(1) according to the installation structure of the fire water pump suction pipe filter in the pump room, a pit is built in advance on the ground of the pump room when the pump room is constructed, specifically, the axis of a filter cylinder of the filter is located in a vertical plane, the pit for providing a space for assembling and disassembling a filter element is arranged in the ground of the pump room at the position crossed with the axis of the filter cylinder, wherein the length between the opening of the filter cylinder and the ground of the pump room in the axis direction of the filter cylinder is smaller than that of the filter element in the filter cylinder, the length between the opening of the filter cylinder and the pit bottom of the pit in the axis direction of the filter cylinder is larger than that of the filter element in the filter cylinder, the pit provides a space for assembling and disassembling the filter, the situation that the water pump suction pipe is lifted to meet the assembling and disassembling requirements of the filter, the effective water level of a fire water pool is lifted can be avoided, and the area of the fire water pool can be saved; the filter can be prevented from being obliquely or horizontally installed to meet the requirements of filter disassembly and assembly, and the filtering effect of the filter is reduced or lost;
(2) according to the mounting structure of the fire water pump suction pipe filter in the pump room, the pit is communicated with one end of the drain pipe, the other end of the drain pipe is communicated with the pump room sump, and when the filter is mounted and dismounted, accumulated water in the pit can be drained to the pump room sump through the drain pipe.
Drawings
FIG. 1 is a schematic structural diagram of a self-priming water absorption system of a conventional fire pump;
FIG. 2 is a schematic view of the installation structure of the fire hose filter in the pump room according to the present invention;
fig. 3 is a top view of an installation configuration of a fire hose strainer in a pump house according to the present invention.
The reference numerals in the schematic drawings illustrate: 1. a filter; 2. a pump house; 3. a fire pool; 4. a water outlet pipe of the fire pool; 5. a water suction pipe of the water pump; 6. a pit; 7. a drain pipe; 8. pump house sump pit.
Detailed Description
For a further understanding of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
Referring to fig. 2, the installation structure of the fire hose pump suction pipe filter in the pump room of the present embodiment includes a filter 1, where the filter 1 is a conventional Y-shaped filter; the filter 1 comprises a main water delivery pipe and a filter cylinder obliquely communicated with the main water delivery pipe, a filter element is arranged in the filter cylinder, and an end cover is detachably arranged at an opening of the filter cylinder; the filter 1 is positioned in the pump room 2, and one end of a water delivery main pipe of the filter 1 is connected and communicated with a fire pool water outlet pipe 4 which extends out of the self-extinguishing water pool 3 and is horizontally arranged; the other end of the water delivery main pipe of the filter 1 is connected and communicated with one end of a water suction pipe 5 of a water pump which is horizontally arranged; the other end of the water pump suction pipe 5 is connected and communicated with a water suction port of the fire pump, and a water outlet of the fire pump is connected and communicated with a fire feed pipe;
subsequently, the axis of the filter cartridge of the filter 1 is positioned in a vertical plane; a pit 6 for providing a space for assembling and disassembling the filter element is arranged in the ground of the pump room 2 and at a position crossed with the axis of the filter cylinder, wherein the length between the opening of the filter cylinder and the ground of the pump room 2 in the axis direction of the filter cylinder is less than that of the filter element in the filter cylinder, and the length between the opening of the filter cylinder and the pit bottom of the pit 6 in the axis direction of the filter cylinder is greater than that of the filter element in the filter cylinder; when the pump house is constructed, a pit is constructed on the ground of the pump house in advance to provide space for dismounting and mounting the filter, when the filter element needs to be dismounted, the end cover is firstly opened, then the filter element can be moved into the filter cylinder or moved out of the filter cylinder along the axis direction of the filter cylinder due to the design of the pit, the water suction pipe of the water pump can be prevented from being lifted to meet the dismounting and mounting of the filter, the effective water level of the fire pool is prevented from being lifted, and the area of the fire pool can be saved; the filter can be prevented from being obliquely or horizontally installed to meet the requirements of filter disassembly and assembly, and the filter effect of the filter is prevented from being reduced or lost.
Continuing and combining with the figure 3, the pit 6 is communicated with one end of a drain pipe 7, the other end of the drain pipe 7 is communicated with a pump house sump 8, and when the filter is disassembled and assembled, accumulated water in the pit can be drained to the pump house sump through a drain pipeline; specifically to in this embodiment, be provided with two water pumps in the pump house, the pump house ground that corresponds is provided with two pits, through the drain pipe intercommunication between two pits, and a pit that is close to the sump in two pits passes through drain pipe and sump intercommunication.
In the present embodiment in particular, the length of the pit 6 is equal to twice the length of the main water pipe; the width of the pit 6 is equal to three times of the pipe diameter of the filter 1; when the pipe diameter of the filter is not more than 150mm, the depth H2 of the pit 6 is equal to 0.6m minus the height H1 between the water suction pipe 5 of the water pump and the ground of the pump room 2; when the pipe diameter of the filter is larger than 150mm and smaller than 300mm, the depth H2 of the pit 6 is equal to 0.8m minus the height H1 between the water suction pipe 5 of the water pump and the ground of the pump room 2.
According to the mounting structure of the fire water pump suction pipe filter in the pump room, the pit which can meet the space for mounting and dismounting the filter is arranged on the ground of the pump room, the filter cartridge of the filter can be kept to be mounted downwards on the premise of fully utilizing the effective water level of the fire pool, the space for mounting and dismounting the filter is met, the structural design is simple and reasonable, the construction and the construction are easy, the manufacturing cost is low, and the practicability is high.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.
Claims (4)
1. A fire water pump suction pipe filter is arranged in a pump room, and comprises a filter (1), wherein the filter (1) comprises a water delivery main pipe and a filter cylinder obliquely communicated with the water delivery main pipe, a filter element is arranged in the filter cylinder, and an end cover is detachably arranged at the opening of the filter cylinder; the filter (1) is positioned in the pump room (2), and one end of a water delivery main pipe of the filter (1) is connected and communicated with a fire pool water outlet pipe (4) which extends out of the fire pool (3) and is horizontally arranged; the other end of the water delivery main pipe of the filter (1) is connected and communicated with a water pump water suction pipe (5) which is horizontally arranged, and is characterized in that: the axis of the filter cartridge of the filter (1) is positioned in a vertical plane; a pit (6) for providing a space for assembling and disassembling the filter element is arranged at a position, intersected with the axis of the filter cylinder, in the ground of the pump room (2), wherein the length between the opening of the filter cylinder and the ground of the pump room (2) in the axis direction of the filter cylinder is smaller than the length of the filter element in the filter cylinder, and the length between the opening of the filter cylinder and the bottom of the pit (6) in the axis direction of the filter cylinder is larger than the length of the filter element in the filter cylinder.
2. The installation structure of a fire hose pump suction pipe filter in a pump room according to claim 1, wherein: when the pipe diameter of the filter is not more than 150mm, the depth H2 of the pit (6) is equal to 0.6m minus the height H1 between the water suction pipe (5) of the water pump and the ground of the pump room (2); when the pipe diameter of the filter is larger than 150mm and smaller than 300mm, the depth H2 of the pit (6) is equal to 0.8m minus the height H1 between the water suction pipe (5) of the water pump and the ground of the pump room (2).
3. The installation structure of a fire hose pump suction pipe filter in a pump room according to claim 2, characterized in that: the length of the pit (6) is equal to twice that of the main water pipe; the width of the pit (6) is equal to three times of the pipe diameter of the filter (1).
4. The installation structure of a fire hose pump suction pipe filter in a pump room according to claim 1, wherein: the pit (6) is communicated with one end of a drain pipe (7), and the other end of the drain pipe (7) is communicated with a pump room sump (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122892301.8U CN216457232U (en) | 2021-11-24 | 2021-11-24 | Installation structure of fire water pump suction pipe filter in pump house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122892301.8U CN216457232U (en) | 2021-11-24 | 2021-11-24 | Installation structure of fire water pump suction pipe filter in pump house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216457232U true CN216457232U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122892301.8U Active CN216457232U (en) | 2021-11-24 | 2021-11-24 | Installation structure of fire water pump suction pipe filter in pump house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216457232U (en) |
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2021
- 2021-11-24 CN CN202122892301.8U patent/CN216457232U/en active Active
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