CN209837172U - Underground double-layer fire pool for building engineering - Google Patents
Underground double-layer fire pool for building engineering Download PDFInfo
- Publication number
- CN209837172U CN209837172U CN201920057160.8U CN201920057160U CN209837172U CN 209837172 U CN209837172 U CN 209837172U CN 201920057160 U CN201920057160 U CN 201920057160U CN 209837172 U CN209837172 U CN 209837172U
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- pool
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 286
- 239000007788 liquid Substances 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 16
- 238000012937 correction Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 25
- 238000012423 maintenance Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model belongs to the field of building fire fighting, and relates to an underground double-layer fire pool for building engineering, which comprises a fire pool below the ground surface, a fire pump room and a pump room sump pit; the fire-fighting water pools are an upper fire-fighting water pool and a lower fire-fighting water pool which are arranged in the upper and lower directions, the upper fire-fighting water pool is used for storing outdoor fire-fighting water, and the lower fire-fighting water pool is used for storing indoor fire-fighting water; the lower part of the upper fire pool is provided with the lowest effective water level, and the position of the lowest effective water level is connected with a fire truck water intake pipe. The minimum effective water level of the upper-layer fire pool meets the requirement that the water absorption height is not more than the maximum water absorption height after altitude correction, and the minimum effective water level of the lower-layer fire pool meets the requirement that the water absorption height is within 10m below the ground. The lower fire pool can make full use of the space of the basement of the building, and the investment is saved. The fire pump room is concentrated and is set up double-deck fire water pool next door, and double-deck fire water pool wash-out pipe and overflow pipe can connect to in the fire pump room sump pit for drain pump quantity reduces, saves the investment.
Description
Technical Field
The utility model belongs to the technical field of the building fire engineering, specifically speaking is a be used for double-deck fire pond in building engineering underground.
Background
The fire pool is a water storage facility which is artificially built and used for a fixed or movable fire pump to absorb water. The fire pool has the main function of storing fire-fighting water to extinguish fire and the auxiliary function of facilitating water suction of the water pump. The fire pool for storing outdoor fire-fighting water or supplying fire truck to take water should be provided with a water intake (well), and the water absorption height should not be more than 6 m. "should not be greater than 6 m" is not to be understood simply as 6 m: the maximum water absorption height of a water intake of the fire engine can be taken as 6m when the local atmospheric pressure exceeds 10m of water column; the local atmospheric pressure is less than 10m water column, the maximum water absorption height of the water intake of the fire engine can be determined by calculation, and the table can also be directly looked up by 1, which can not be defined as 6m in a general way. The fire pool for the fire truck to take water should ensure that the height between the lowest water level and the central line of the suction pipe of the fire pump in the fire truck is not more than the maximum water suction height of the place where the fire pump is located. For the area with the altitude of 300m, the pump shaft height of the fire engine is 1m, the bottom elevation of the water taking port cannot be 5m lower than the ground where the fire engine stops, and the heights of different altitude areas can be different.
As the altitudes of a plurality of cities in China exceed 300m, the maximum water absorption height of the fire pump is correspondingly reduced according to the table 1. The height of the basement of the building is generally more than 5 meters, and the pipeline interlayer is arranged at the upper part of the basement, so that the height of the basement is generally more than 8 meters. To the area that the height above sea level surpasses 300m, if set up the individual layer fire pond, will lead to setting up in the fire pond area increase of building basement, and the unable effective utilization of fire pond lower floor space causes the waste to the building space.
Disclosure of Invention
To the equal outdoor fire-fighting water of storage in a large number of high altitude area fire-fighting water ponds at present, cause the extravagant problem of building space, the utility model aims to provide a be used for double-deck fire-fighting water pond in building engineering underground, this double-deck fire-fighting water pond can reduce the building space extravagant.
In order to realize the purpose, the utility model discloses a technical scheme be: a double-layer fire pool used for underground of building engineering comprises a fire pool below the ground surface, a fire pump room and a pump room sump pit; the method is characterized in that: the fire-fighting water pools are an upper fire-fighting water pool and a lower fire-fighting water pool which are arranged in the upper and lower directions, the upper fire-fighting water pool is used for storing outdoor fire-fighting water, and the lower fire-fighting water pool is used for storing indoor fire-fighting water; the lower part of the upper fire pool is provided with the lowest effective water level, and the position of the lowest effective water level is connected with a fire truck water intake pipe.
The upper-layer fire pool is used for storing outdoor fire-fighting water, the lowest effective water level is above the maximum water absorption height after altitude correction, and a fire pool water taking pipe is led out below the lowest effective water level to ensure that the water absorption height is not more than the maximum water absorption height after altitude correction; the lower fire pool is used for storing indoor fire-fighting water, including water for indoor fire hydrant, spraying and the like; can satisfy the utilization to lower floor's space, avoid causing the building space extravagant.
The outdoor fire pump and the indoor fire pump are arranged in the same fire pump room, and the fire pump room is arranged beside the double-layer fire pool.
The utility model provides a double-deck fire pond is the fire pond of setting at the indoor, outer fire control water of the apotheca of building basement. The minimum effective water level of the upper-layer fire pool meets the requirement that the water absorption height is not more than the maximum water absorption height after altitude correction, and the minimum effective water level of the lower-layer fire pool meets the requirement that the water absorption height is within 10m below the ground. The lower fire pool can make full use of the space of the basement of the building, and the investment is saved. The fire pump room can concentrate and set up double-deck fire-fighting water pond next door, and double-deck fire-fighting water pond wash-out pipe and overflow pipe can connect to in the fire pump room sump pit for drain pump quantity reduces, saves the investment. The utility model discloses have very strong practicality, can popularize and apply on a large scale.
Drawings
FIG. 1 is a schematic view showing the structural relationship between an upper fire pool and an outdoor fire pump;
FIG. 2 is a schematic view showing the structural relationship between the lower fire-fighting water pool and the indoor fire-fighting water pump;
FIG. 3 is a schematic diagram showing the structural relationship between the double-deck fire-fighting pool and the water supply system.
In the figure: 1-upper fire-fighting water pool, 2-upper fire-fighting water pool liquid level signal device, 3-upper fire-fighting water pool overflow water level, 4-upper fire-fighting water pool maximum effective water level, 5-upper fire-fighting water pool minimum effective water level, 6-anti-cyclone, 7-outdoor fire-fighting water pump, 8-outdoor fire-fighting water pump check valve, 9-outdoor fire-fighting water pump manual gate valve, 10-water hammer suction device, 11-outdoor fire-fighting water pump relief valve, 12-outdoor fire-fighting water pump water test valve, 13-outdoor fire-fighting water pump direct-reading flowmeter, 14-outdoor fire-fighting water pump pressure relief pipe, 15-outdoor fire-fighting water pump pressure switch, 16-outdoor fire-fighting water pump outlet pipe, 17-fire truck water intake pipe, 18-upper fire-fighting water pool maintenance port, 19-lower fire-fighting water pool, 20-lower fire-fighting water pool liquid level signal device, 21-lower fire-fighting water pool overflow water level, 22-, 23-lowest effective water level of a lower fire-fighting pool, 24-bell mouth of a water suction pipe, 25-indoor fire-fighting water pump, 26-indoor fire-fighting water pump check valve, 27-indoor fire-fighting water pump manual gate valve, 28-indoor fire-fighting water pump relief valve, 29-indoor fire-fighting water pump water test valve, 30-indoor fire-fighting water pump direct-reading flow meter, 31-indoor fire-fighting water pump relief pipe, 32-indoor fire-fighting water pump pressure switch, 33-indoor fire-fighting water pump water outlet pipe, 34-lower fire-fighting pool access opening, 35-fire-fighting pool water inlet pipe, 36-upper fire-fighting pool remote control ball float valve, 37-lower fire-fighting pool remote control ball float valve, 38-upper fire-fighting pool overflow pipe, 39-upper fire-fighting pool water drain pipe, 40-lower fire-fighting pool overflow pipe, 41-lower fire-fighting water pool water drain pipe, 42-pump room water collection pit, 43-fire, 45-ground surface, 46-water escape valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. As shown in fig. 1: a double-deck fire-fighting water pond used for underground of the building engineering, including locating at the fire-fighting water pond under the ground surface 45, fire-fighting water pump house 43 and pump house sump 42; the fire-fighting water pools are an upper fire-fighting water pool 1 and a lower fire-fighting water pool 19 which are arranged in the upper and lower directions, the upper fire-fighting water pool 1 is used for storing outdoor fire-fighting water, the lower fire-fighting water pool 19 is used for storing indoor fire-fighting water, and the indoor fire-fighting water comprises indoor fire hydrants, spray water and the like; the lower part of the upper fire pool 1 is provided with the lowest effective water level 5 of the upper fire pool, and the position of the lowest effective water level 5 of the upper fire pool is connected with a fire truck water intake pipe 17. The minimum effective water level 5 of the upper-layer fire pool is above the maximum water absorption height after altitude correction, and the requirement that the water absorption height is not more than the maximum water absorption height after altitude correction is met.
The fire-fighting water pump room 43 is provided with an outdoor fire-fighting water pump 7 and an indoor fire-fighting water pump 25, namely the outdoor fire-fighting water pump 7 and the indoor fire-fighting water pump 25 are arranged in the same fire-fighting water pump room 43, and the fire-fighting water pump room 43 is arranged beside the upper fire-fighting water pool 1 and the lower fire-fighting water pool 19; saving space and investment.
A cyclone prevention device 6 is arranged in the upper fire pool 1, a water inlet pipe of the outdoor fire pump 7 is connected with the cyclone prevention device 6, and a manual gate valve and a pressure gauge (not shown in the figure) are arranged on the water inlet pipe of the outdoor fire pump 7; the outdoor fire pump 7 sucks water from the upper fire pool 1 by preventing the cyclone 6.
The water outlet end of the water outlet pipe 16 of the outdoor fire pump is connected to an outdoor fire pipe network, and the water outlet pipe 16 of the outdoor fire pump is provided with an outdoor fire pump check valve 8, an outdoor fire pump manual gate valve 9 and an outdoor fire pump pressure switch 15. In order to prevent the damage of the water hammer, the water hammer catcher 10 is arranged on the water outlet pipe 16 of the outdoor fire pump.
When the fire-fighting water pool water inlet valve can not be normally closed, the water which is prevented from continuously entering enables the water level of the fire-fighting water pool to continuously rise, the bearing capacity of the wall of the water pool is exceeded, the structure safety of the fire-fighting water pool is damaged, the upper fire-fighting water pool 1 is provided with the upper fire-fighting water pool highest effective water level 4 and the upper fire-fighting water pool overflow water level 3, and the upper fire-fighting water pool overflow water level 3 is located above the upper fire-fighting water pool highest effective water level 4.
When the abnormal condition happens and leads to the fire-fighting pipe network pressure too high, in order to prevent the damage of fire-fighting pipeline and valve, be equipped with two outdoor fire-fighting water pump pressure release pipes 14 on the outdoor fire-fighting water pump outlet pipe 16, an outdoor fire-fighting water pump pressure release pipe 14 is equipped with outdoor fire-fighting water pump relief valve 11, another outdoor fire-fighting water pump pressure release pipe 14 is equipped with outdoor fire-fighting water pump water test valve 12 and the direct-reading flowmeter 13 of outdoor fire-fighting water pump that supplies system test to use, two outdoor fire-fighting water pump pressure release pipes 14 share a pressure release export, the pressure release export is located the upper space of upper fire-fighting water pond overflow.
An upper fire-fighting water pool liquid level signal device 2 is arranged in the upper fire-fighting water pool 1; used for monitoring the water level of the upper fire-fighting water pool 1, and the upper fire-fighting water pool liquid level signal device 2 has the functions of on-site water level display and water level display in a fire control center or a duty room.
As shown in fig. 2: the lower part of the lower-layer fire pool 19 is provided with a lower-layer fire pool minimum effective water level 23, and the lower-layer fire pool minimum effective water level meets the requirement within 10m below the ground.
The bottom of the lower-layer fire-fighting water pool 19 is provided with a concave water collecting pool, the water suction end of the water inlet pipe of the indoor fire-fighting water pump 25 is provided with a water suction pipe bell mouth 24, and the water suction pipe bell mouth 24 is positioned in the concave water collecting pool. The indoor fire pump 25 sucks water from the lower fire pool 19 through the suction pipe bell 24.
The water outlet end of the indoor fire pump water outlet pipe 33 is connected to an indoor fire pipe network, and the indoor fire pump water outlet pipe 33 is provided with an indoor fire pump check valve 26, an indoor fire pump manual gate valve 27 and an indoor fire pump pressure switch 32. To prevent the water hammer from being damaged, the indoor fire hose outlet pipe 33 is provided with a second water hammer receiver 44.
When the abnormal condition takes place and leads to fire-fighting pipe network pressure too high, in order to prevent the damage of fire-fighting pipeline and valve, lower floor's fire-fighting basin 19 is equipped with the most effective water level 22 of lower floor's fire-fighting basin and lower floor's fire-fighting basin overflow water level 21, and lower floor's fire-fighting basin overflow water level 21 is located the top of the most effective water level 22 of lower floor's fire-fighting basin.
When the abnormal condition happens and leads to the fire-fighting pipe network pressure too high, in order to prevent the damage of fire-fighting pipeline and valve, be equipped with two indoor fire-fighting water pump pressure release pipes 31 on the indoor fire-fighting water pump outlet pipe 33, an indoor fire-fighting water pump pressure release pipe 31 is equipped with indoor fire-fighting water pump relief valve 28, another indoor fire-fighting water pump pressure release pipe 31 is equipped with indoor fire-fighting water pump test water valve 29 and the indoor fire-fighting water pump direct-reading flowmeter 30 that supplies system test to use, two indoor fire-fighting water pump pressure release pipes 14 share a pressure release outlet, the pressure release outlet is located the space above lower floor's fire-fighting. Therefore, the building space at the lower part of the upper fire pool can be fully utilized, and the space and the investment are saved.
A lower fire pool liquid level signal device 20 is arranged in the lower fire pool 19; for monitoring the water level in the lower fire pool 19, the lower fire pool level signal device 20 has the functions of on-site water level display and water level display in the fire control center or on-duty room.
Referring to fig. 3: the upper fire pool 1 and the lower fire pool 19 share the fire pool water inlet pipe 35, the upper fire pool 1 and the lower fire pool 19 are correspondingly provided with an upper fire pool remote control ball float valve 36 and a lower fire pool remote control ball float valve 37, floating balls of the two remote control ball float valves are respectively positioned at the liquid level of the upper fire pool and the lower fire pool, and the remote control ball float valves are used for controlling the water level of the fire pool. The fire pump room 43 is provided with a pump room sump 42, the upper fire pool 1 is provided with an upper fire pool overflow pipe 38 and an upper fire pool drain pipe 39, the water inlet of the upper fire pool overflow pipe 38 is flush with the upper fire pool overflow water level 3, and the water inlet of the upper fire pool drain pipe 39 is positioned below the lowest effective water level 5 of the upper fire pool; the lower-layer fire pool 19 is provided with a lower-layer fire pool overflow pipe 40 and a lower-layer fire pool water drain pipe 41, the water inlet of the lower-layer fire pool overflow pipe 40 is flush with the overflow water level 21 of the lower-layer fire pool, and the water inlet of the lower-layer fire pool water drain pipe 41 is positioned below the lowest effective water level 23 of the lower-layer fire pool; the outlets of the upper fire pool overflow pipe 38, the upper fire pool drain pipe 39, the lower fire pool overflow pipe 40 and the lower fire pool drain pipe 41 are all communicated with a pump house sump 42. The common sump saves space and investment. The upper fire pool drain pipe 39 and the lower fire pool drain pipe 41 are respectively provided with a drain valve 46.
The upper layer fire pool 1 and the lower layer fire pool 19 are of a closed structure; in order to facilitate the maintenance, the upper layer fire pool 1 is provided with an upper layer fire pool maintenance opening 18, and the lower layer fire pool 19 is provided with a lower layer fire pool maintenance opening 34; the upper fire pool access opening 18 and the lower fire pool access opening 34 open into the fire pump room 43, so that the fire pump room can enter the pool for access.
Claims (10)
1. A double-layer fire pool used for underground of building engineering comprises a fire pool, a fire pump room and a pump room sump which are positioned below a ground surface 45; the method is characterized in that: the fire-fighting water pool comprises an upper fire-fighting water pool (1) and a lower fire-fighting water pool (19) which are arranged in the upper and lower directions, the upper fire-fighting water pool (1) is used for storing outdoor fire-fighting water, the lower fire-fighting water pool (19) is used for storing indoor fire-fighting water, and the indoor fire-fighting water comprises indoor fire hydrants and spray; the lower part of the upper fire pool (1) is provided with the lowest effective water level (5) of the upper fire pool, and the position of the lowest effective water level (5) of the upper fire pool is connected with a fire truck water intake pipe (17).
2. The underground double-deck fire-fighting water pool for constructional engineering as claimed in claim 1, wherein: the fire-fighting water pump room (43) is provided with an outdoor fire-fighting water pump (7) and an indoor fire-fighting water pump (25), and the fire-fighting water pump room (43) is arranged beside the upper fire-fighting water pool (1) and the lower fire-fighting water pool (19).
3. The underground double-deck fire pool for constructional engineering as claimed in claim 2, wherein: a cyclone (6) is prevented from being arranged in the upper-layer fire-fighting water pool (1), a water inlet pipe of the outdoor fire-fighting water pump (7) is connected with the cyclone (6), and a chamber manual gate valve and a pressure gauge are arranged on the water inlet pipe of the outdoor fire-fighting water pump (7); the water outlet end of the water outlet pipe (16) of the outdoor fire pump is connected to an outdoor fire-fighting pipe network.
4. The underground double-deck fire-fighting water pool for constructional engineering as claimed in claim 3, wherein: an outdoor fire pump check valve (8), an outdoor fire pump manual gate valve (9) and an outdoor fire pump pressure switch (15) are arranged on the outdoor fire pump water outlet pipe (16); the water hammer absorbing device (10) is arranged on the water outlet pipe (16) of the outdoor fire pump.
5. The underground double-deck fire-fighting water pool for constructional engineering as claimed in claim 4, wherein: the water level meter is characterized in that two outdoor fire pump pressure relief pipes (14) are arranged on an outdoor fire pump water outlet pipe (16), one outdoor fire pump pressure relief pipe (14) is provided with an outdoor fire pump pressure relief valve (11), the other outdoor fire pump pressure relief pipe (14) is provided with an outdoor fire pump water test valve (12) and an outdoor fire pump direct-reading type flowmeter (13), the two outdoor fire pump pressure relief pipes (14) share one pressure relief outlet, and the pressure relief outlet is located in the upper space of the upper fire pool overflow water level (3) of the upper fire pool (1).
6. The underground double-deck fire-fighting water pool for constructional engineering as claimed in claim 5, wherein: the water outlet end of the water outlet pipe (33) of the indoor fire pump is connected to an indoor fire pipe network, and the water outlet pipe (33) of the indoor fire pump is provided with an indoor fire pump check valve (26), an indoor fire pump manual gate valve (27) and an indoor fire pump pressure switch (32); the water outlet pipe (33) of the indoor fire pump is provided with a second water hammer absorber (44).
7. The underground double-deck fire-fighting water pool for constructional engineering as claimed in any one of claims 1 to 6, wherein: be equipped with two indoor fire pump pressure release pipes (31) on indoor fire pump outlet pipe (33), an indoor fire pump pressure release pipe (31) is equipped with indoor fire pump relief valve (28), another indoor fire pump pressure release pipe (31) is equipped with indoor fire pump water test valve (29) and indoor fire pump direct-reading flowmeter (30), a pressure release export is shared to two indoor fire pump pressure release pipes (31), the pressure release export is located the top space of lower floor's fire pond overflow water level (21) of lower floor's fire pond (19).
8. The underground double-deck fire-fighting water pool for constructional engineering as claimed in claim 7, wherein: the upper fire pool (1) and the lower fire pool (19) share the water inlet pipe (35) of the fire pool, the water inlet branch pipes of the upper fire pool (1) and the lower fire pool (19) are correspondingly provided with an upper fire pool remote control ball float valve (36) and a lower fire pool remote control ball float valve (37), and floating balls of the two remote control ball float valves are respectively positioned on the liquid level of the upper fire pool and the lower fire pool.
9. The underground double-deck fire-fighting water pool for constructional engineering as claimed in claim 8, wherein: the fire pump room (43) is provided with a pump room sump (42), the upper fire pool (1) is provided with an upper fire pool overflow pipe (38) and an upper fire pool drain pipe (39), the water inlet of the upper fire pool overflow pipe (38) is flush with the upper fire pool overflow water level (3), and the water inlet of the upper fire pool drain pipe (39) is positioned below the lowest effective water level (5) of the upper fire pool; the lower-layer fire pool (19) is provided with a lower-layer fire pool overflow pipe (40) and a lower-layer fire pool drain pipe (41), the water inlet of the lower-layer fire pool overflow pipe (40) is flush with the overflow water level (21) of the lower-layer fire pool, and the water inlet of the lower-layer fire pool drain pipe (41) is positioned below the lowest effective water level (23) of the lower-layer fire pool; the water outlets of the upper layer fire pool overflow pipe (38), the upper layer fire pool drain pipe (39), the lower layer fire pool overflow pipe (40) and the lower layer fire pool drain pipe (41) are all communicated with a pump house sump (42).
10. The underground double-deck fire-fighting water pool for constructional engineering as claimed in claim 9, wherein: an upper fire pool liquid level signal device (2) is arranged in the upper fire pool (1); a lower fire pool liquid level signal device (20) is arranged in the lower fire pool (19); the upper layer fire pool (1) and the lower layer fire pool (19) are of closed structures; the upper layer fire pool (1) is provided with an upper layer fire pool access hole (18), and the lower layer fire pool (19) is provided with a lower layer fire pool access hole (34); the upper layer fire pool access hole (18) and the lower layer fire pool access hole (34) are opened to a fire pump room (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057160.8U CN209837172U (en) | 2019-01-14 | 2019-01-14 | Underground double-layer fire pool for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057160.8U CN209837172U (en) | 2019-01-14 | 2019-01-14 | Underground double-layer fire pool for building engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209837172U true CN209837172U (en) | 2019-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920057160.8U Withdrawn - After Issue CN209837172U (en) | 2019-01-14 | 2019-01-14 | Underground double-layer fire pool for building engineering |
Country Status (1)
| Country | Link |
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| CN (1) | CN209837172U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555192A (en) * | 2019-01-14 | 2019-04-02 | 中国市政工程西北设计研究院有限公司 | One kind being used for architectural engineering underground bilayer fire cistern |
| CN112012326A (en) * | 2020-08-18 | 2020-12-01 | 天津市市政工程设计研究院 | Intensive double-deck drainage pump station of ground saving |
| CN115845304A (en) * | 2022-11-25 | 2023-03-28 | 浙江青坤建筑规划设计有限公司 | High-rise residential pressurization fire extinguishing system in high-altitude area |
| CN109555192B (en) * | 2019-01-14 | 2024-06-21 | 中国市政工程西北设计研究院有限公司 | Underground double-layer fire-fighting pool for constructional engineering |
-
2019
- 2019-01-14 CN CN201920057160.8U patent/CN209837172U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555192A (en) * | 2019-01-14 | 2019-04-02 | 中国市政工程西北设计研究院有限公司 | One kind being used for architectural engineering underground bilayer fire cistern |
| CN109555192B (en) * | 2019-01-14 | 2024-06-21 | 中国市政工程西北设计研究院有限公司 | Underground double-layer fire-fighting pool for constructional engineering |
| CN112012326A (en) * | 2020-08-18 | 2020-12-01 | 天津市市政工程设计研究院 | Intensive double-deck drainage pump station of ground saving |
| CN115845304A (en) * | 2022-11-25 | 2023-03-28 | 浙江青坤建筑规划设计有限公司 | High-rise residential pressurization fire extinguishing system in high-altitude area |
| CN115845304B (en) * | 2022-11-25 | 2023-08-15 | 浙江青坤建筑规划设计有限公司 | High-rise residential pressurization fire extinguishing system in high-altitude area |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191224 Effective date of abandoning: 20240621 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191224 Effective date of abandoning: 20240621 |