Main transformer combined foundation of fire pool of transformer substation
By placing the fire water tank underground and building the prefabricated foundation of the main transformer on top of it, the problems of land occupation and high cost caused by traditional separate construction are solved, achieving land saving and improving the level of green building, while reducing the occurrence of accidents.
Patent Information
- Application Number
- CN202520136176.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The traditional practice of constructing fire-fighting water tanks and main transformer foundations separately in substations results in problems such as large land area, high construction costs, and long construction periods.
The fire water tank is located underground, and the prefabricated strip foundation of the main transformer is placed on top of the fire water tank. The underground space is utilized through the connection of embedded parts, and the leakage of oil is absorbed by the tramp unit and pebbles, thereby improving stability and safety.
It saves on land area and foundation concrete work, reduces investment by about 40%, saves about 200 square meters of land, improves the green construction level of the substation, and reduces the occurrence of accidents.
Smart Images
Figure CN223780917U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of substation fire pool, specifically is a kind of substation fire pool main transformer joint foundation. BACKGROUND
[0002] As a crucial component in power system, substation undertakes the heavy responsibility of power conversion, distribution and transmission. In the construction process of substation, fire pool and main transformer are two core elements. Fire pool is an important facility to ensure the safety of substation, used to store fire water to deal with possible fire accidents. And main transformer is the core equipment of substation, responsible for converting high-voltage power into low-voltage power, or vice versa.
[0003] In the civil engineering of substation, the foundation of fire pool and main transformer of substation is constructed separately. With the increasing tension of land resources and the requirement of compact overall layout of substation in power system, the traditional separate construction method gradually exposes the limitations of large land occupation, high construction cost and long construction period. CONTENT OF UTILITY MODEL
[0004] In view of the deficiencies in the above background technology, the utility model provides a kind of substation fire pool main transformer joint foundation, which solves the problem of large land occupation, high construction cost and long construction period caused by separate construction of fire pool and main transformer foundation.
[0005] The technical scheme of the present application is as follows:
[0006] A kind of substation fire pool main transformer joint foundation, including the fire pool arranged in underground, the top of the fire pool is flush with the ground, the top of the fire pool is connected by embedded part and prefabricated main transformer strip foundation, main transformer is arranged in the upper of the prefabricated main transformer strip foundation, the top of the fire pool is provided with the treading unit for walking. The fire pool is arranged in underground, which can make full use of underground space, and the prefabricated main transformer strip foundation of main transformer is arranged on the fire pool, which further saves the land occupation and foundation concrete quantity. Compared with the fire pool and main transformer foundation built independently in the prior art, the investment is saved by about 40%, the land is saved by about 200 square meters, and the green construction level of substation is effectively improved.
[0007] Further, the embedded part includes a steel plate embedded in the top of the fire pool, and a steel bar embedded in the prefabricated main transformer strip foundation, the bottom of the steel bar is flush with the bottom of the prefabricated main transformer strip foundation, and the steel bar is welded with the steel plate.
[0008] Further, the steel bar is in the shape of 7.
[0009] Further, a plurality of steel bars are arranged between the prefabricated main transformer strip foundation and the steel plate.
[0010] Further, a U-shaped support plate for supporting the main transformer is arranged on the top of the prefabricated main transformer strip foundation, the inner surface of the U-shaped support plate is attached to the outer surface of the prefabricated main transformer strip foundation, and the stepping unit is connected to the U-shaped support plate.
[0011] Further, a plurality of prefabricated main transformer strip foundations are arranged at intervals, the volume of the main transformer is large, and the stability of the transformer substation fire-fighting pool main transformer combined foundation is strengthened by the support of the plurality of prefabricated main transformer strip foundations.
[0012] Further, a plurality of partition walls are arranged in parallel in the fire-fighting pool, the central axis of the prefabricated main transformer strip foundation coincides with the central axis of the partition wall, the weight of the prefabricated main transformer strip foundation is evenly transmitted to the partition wall, the stress is balanced, and the prefabricated main transformer strip foundation is not easy to tilt or collapse, and the stability is high.
[0013] Further, a coping is arranged on the top of the fire-fighting pool, the height of the coping is greater than the height of the prefabricated main transformer strip foundation, the stepping unit is connected to the top of the coping, and the upper surface of the stepping unit is flush with the upper surface of the support plate.
[0014] Further, the stepping unit comprises a first grating plate and a second grating plate arranged at intervals, pebbles for absorbing leaked oil of the main transformer are arranged between the first grating plate and the second grating plate, so that the oil can flow back to the accident oil pool, and the occurrence of accidents is reduced.
[0015] Further, a sloping layer is arranged on the top of the fire-fighting pool, and the insulating oil of the main transformer can flow to the oil discharge inspection well by gravity during oil discharge.
[0016] The specific beneficial effects of the utility model include:
[0017] 1. The fire-fighting pool is arranged underground, the underground space can be fully utilized, the prefabricated main transformer strip foundation of the main transformer is arranged on the fire-fighting pool, and the land occupation and the foundation concrete quantity are further saved, compared with the fire-fighting pool and the main transformer foundation independently constructed in the prior art, the investment is saved by about 40%, the land saving is about 200 square meters, and the green construction level of the transformer substation is effectively improved.
[0018] 2. The stepping unit is arranged, the worker can conveniently overhaul the main transformer, the pebbles in the stepping unit absorb the leaked oil of the main transformer, the oil can flow back to the accident oil pool, and the occurrence of accidents is reduced. DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the present application, the drawings needed in the following embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0020] Figure 1 It is a use state schematic diagram of the present application.
[0021] Figure 2 It is a sectional view of the fire pool and the prefabricated main transformer strip foundation in the present application.
[0022] Figure 3 It is a sectional view of the present application.
[0023] Figure 4 It is Figure 3 It is an enlarged view of A in the present application.
[0024] Explanation of the drawings:
[0025] 1, fire pool; 3, prefabricated main transformer strip foundation;
[0026] 4, main transformer; 5, stepping unit;
[0027] 11, partition wall; 12, parapet; 13, screed layer;
[0028] 21, steel plate; 22, steel bar; 23, support plate;
[0029] 51, grating plate one; 52, grating plate two. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0031] A transformer substation fire pool main transformer combined foundation, comprising a fire pool 1 arranged underground, the top of the fire pool 1 is flush with the ground, the top of the fire pool 1 is connected with a prefabricated main transformer strip foundation 3 through a pre-embedded part, a main transformer 4 is arranged above the prefabricated main transformer strip foundation 3, and the top of the fire pool 1 is provided with a stepping unit 5 for people to walk.
[0032] On the basis of the above-mentioned embodiment, as a preferred embodiment, the embedded part comprises a steel plate 21 embedded on the top of the fire pool 1, and a reinforcing bar 22 embedded in the prefabricated main transformer strip foundation 3, the bottom of the reinforcing bar 22 is flush with the bottom of the prefabricated main transformer strip foundation 3, and the reinforcing bar 22 is welded with the steel plate 21. The fire pool 1 is arranged underground, so that the underground space can be fully utilized. Then, the prefabricated main transformer strip foundation 3 of the main transformer 4 is arranged on the fire pool 1, thereby further saving the land occupation and the amount of foundation concrete. Compared with the fire pool and the main transformer foundation independently constructed in the prior art, the investment is saved by about 40%, the land saving is about 200 square meters, and the green construction level of the transformer substation is effectively improved.
[0033] On the basis of the above-mentioned embodiment, as a preferred embodiment, the reinforcing bar 22 is in a 7-shaped type, and a plurality of reinforcing bars 22 are arranged between the prefabricated main transformer strip foundation 3 and the steel plate 21.
[0034] Specifically, the 7-shaped reinforcing bar 22 is embedded in the prefabricated main transformer strip foundation 3, the bottom of the reinforcing bar 22 is flush with the bottom of the prefabricated main transformer strip foundation 3, and the reinforcing bar 22 is welded with the steel plate 21.
[0035] Specifically, the reinforcing bars 22 are symmetrically arranged in two rows, and a plurality of reinforcing bars 22 are equally spaced in each row. The bottom of the 7-shaped reinforcing bar 22 is welded with the steel plate 21, so that the prefabricated main transformer strip foundation 3 is connected with the fire pool 1.
[0036] On the basis of the above-mentioned embodiment, as a preferred embodiment, the top of the prefabricated main transformer strip foundation 3 is provided with a U-shaped support plate 23 for supporting the main transformer 4, the inner surface of the U-shaped support plate 23 is attached to the outer surface of the prefabricated main transformer strip foundation 3, the support plate 23 is wrapped around the top and side wall of the prefabricated main transformer strip foundation 3, thereby strengthening the firmness of the prefabricated main transformer strip foundation 3, improving the support performance of the prefabricated main transformer strip foundation 3 to the main transformer 4, and the stepping unit 5 is connected with the U-shaped support plate 23, thereby strengthening the stability of the stepping unit 5.
[0037] On the basis of the above-mentioned embodiment, as a preferred embodiment, a plurality of prefabricated main transformer strip foundations 3 are arranged at intervals, the volume of the main transformer 4 is large, and the stability of the transformer substation fire pool main transformer combined foundation is strengthened by the support of the plurality of prefabricated main transformer strip foundations 3.
[0038] On the basis of the above embodiment, as a preferred embodiment, a plurality of partition walls 11 are arranged in parallel in the fire pool 1, the fire pool 1 is divided into a plurality of separate spaces for different needs by the partition walls 11, the central axis of the prefabricated main transformer strip foundation 3 coincides with the central axis of the partition wall 11, the weight of the prefabricated main transformer strip foundation 3 is evenly transmitted to the partition wall 11, the stress is balanced, and inclination or collapse is not prone to occur, and the stability is high.
[0039] On the basis of the above embodiment, as a preferred embodiment, as shown in Figure 3 The top of the fire pool 1 is provided with a parapet 12, the height of the parapet 12 is greater than the height of the prefabricated main transformer strip foundation 3, the stepping unit 5 is connected with the top of the parapet 12, and the upper surface of the stepping unit 5 is flush with the upper surface of the support plate 23, so that workers can walk on the stepping unit 5 to maintain the main transformer 4.
[0040] On the basis of the above embodiment, as a preferred embodiment, the stepping unit 5 comprises spaced-apart grating plate one 51 and grating plate two 52, and pebbles 53 for absorbing leaked oil of the main transformer 4 are arranged between the grating plate one 51 and the grating plate two 52, so that the oil can flow back to the accident oil pool, and the occurrence of accidents is reduced.
[0041] On the basis of the above embodiment, as a preferred embodiment, the top of the fire pool 1 is provided with a slope layer 13, and the insulating oil of the main transformer 4 can flow to the oil discharge inspection well by gravity when the oil is discharged in an accident.
[0042] Specifically, the slope layer 13 is formed by pouring cement mortar.
[0043] The details of the utility model not described are conventional technical means known to those skilled in the art.
[0044] The above shows and describes the basic principles, main features and beneficial effects of the utility model. The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A substation fire reservoir main transformer combined foundation, characterized in that: The utility model provides a kind of fire pool (1) including being arranged in the ground, the top of the fire pool (1) is flush with ground, the top of the fire pool (1) is connected by embedded part and prefabricated main transformer strip foundation (3), main transformer (4) is arranged in the above of the prefabricated main transformer strip foundation (3), the top of the fire pool (1) is provided with the treading unit (5) for walking.
2. The substation fire reservoir main transformer combined foundation of claim 1, wherein: The embedded part includes steel plate (21) embedded in the top of the fire pool (1), reinforcing steel bar (22) embedded in the prefabricated main transformer strip foundation (3), the bottom of the reinforcing steel bar (22) is flush with the bottom of the prefabricated main transformer strip foundation (3), the reinforcing steel bar (22) is welded with the steel plate (21).
3. The substation fire reservoir main transformer combined foundation of claim 2, wherein: The reinforcing steel bar (22) is in 7 type.
4. The substation fire reservoir main transformer combined foundation of claim 2, wherein: A plurality of reinforcing steel bars (22) are arranged between the prefabricated main transformer strip foundation (3) and the steel plate (21).
5. The substation fire reservoir main transformer combined foundation according to any one of claims 1-4, characterized in that: The top of the prefabricated main transformer strip foundation (3) is provided with a U-shaped support plate (23) for supporting the main transformer (4), the inner surface of the U-shaped support plate (23) is attached to the outer surface of the prefabricated main transformer strip foundation (3), and the treading unit (5) is connected to the U-shaped support plate (23).
6. The substation fire reservoir main transformer combined foundation according to any one of claims 1-4, characterized in that: The prefabricated main transformer strip foundation (3) is arranged at intervals.
7. The substation fire reservoir main transformer combined foundation according to any one of claims 1-4, characterized in that: A plurality of partition walls (11) are arranged in parallel in the fire pool (1), and the central axis of the prefabricated main transformer strip foundation (3) coincides with the central axis of the partition wall (11).
8. The substation fire reservoir main transformer combined foundation of claim 5, wherein: The top of the fire pool (1) is provided with a parapet (12), the height of the parapet (12) is greater than the height of the prefabricated main transformer strip foundation (3), the treading unit (5) is connected to the top of the parapet (12), and the upper surface of the treading unit (5) is flush with the upper surface of the support plate (23).
9. The substation fire reservoir main transformer combined foundation according to any of claims 1-4, 8, characterized in that: The treading unit (5) includes a plurality of grating plates (51) and (52) arranged at intervals, and pebbles (53) are arranged between the grating plates (51) and (52) for absorbing leaked oil from the main transformer (4).
10. The substation fire reservoir main transformer combined foundation according to any of claims 1-4, 8, characterized in that: The top of the fire pool (1) is provided with a slope layer (13).