CN212253033U - Pipe gallery ventilation system of non-gas pipeline cabin - Google Patents
Pipe gallery ventilation system of non-gas pipeline cabin Download PDFInfo
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- CN212253033U CN212253033U CN202021573969.5U CN202021573969U CN212253033U CN 212253033 U CN212253033 U CN 212253033U CN 202021573969 U CN202021573969 U CN 202021573969U CN 212253033 U CN212253033 U CN 212253033U
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Abstract
The utility model discloses a pipe gallery ventilation system of a non-gas pipeline cabin, which comprises a ground opening part, a pipe gallery ventilator room and a pipe gallery main body; the ground opening part comprises a ground exhaust pavilion and a ground air supply pavilion; the pipe rack machine room comprises a ventilator machine room, a fan feeding room, a fan exhausting room and an electric fire damper machine room; an accident rear ventilator access port is arranged at the ground exhaust pavilion; a movable exhaust fan is arranged at the inlet of the ventilator after an accident; an accident rear ventilator access port is arranged at the ground air delivery pavilion; and a movable air feeder is arranged at the inlet of the ventilator after an accident. When a fire disaster happens, the fixed exhaust fan, the fixed air feeder and the electric fire valve are closed, the movable exhaust fan and the movable air feeder are respectively arranged at the fan access port after the accident and the fan access port after the accident to be ready, and after the oxygen deficiency in the pipe gallery stops burning, the ventilation after the accident is carried out, and the residual smoke and heat are removed. The utility model discloses the pipe gallery ventilation system technique in non-gas pipeline cabin is reliable, can realize ventilation and post accident back ventilation in the pipe gallery.
Description
Technical Field
The utility model relates to an underground pipe gallery ventilation technical field, in particular to pipe gallery ventilation system in non-gas pipeline cabin.
Background
The utility model relates to a comprehensive pipe gallery (Japan called 'common ditch', Taiwan called 'common pipeline'), namely an underground city pipeline comprehensive corridor, namely, a tunnel space is built underground, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility model is an important infrastructure and a 'lifeline' for guaranteeing city operation.
The ventilation system in the city piping lane needs to satisfy: 1, can maintain the basic air quality of operational environment in the passageway during normal operating mode, get rid of peculiar smell, waste heat, surplus humidity, poisonous and harmful gas 2 in the piping lane, when confirming that the conflagration has been extinguished in the piping lane, start corresponding air supply, exhaust fan and fire prevention valve and carry out the post-disaster accident ventilation to the district section of crossing a fire, get rid of remaining flue gas and heat, create a qualified maintenance operational environment for the cabin after the disaster.
In the prior art, including Tianjin in projects such as city pipe galleries including house fort golden melt zone underground pipe gallery, Shanghai Lingang New City North island West way comprehensive pipe gallery, Hangzhou City moral Sheng way pipe gallery, the main design thinking is mostly to set up fan room on pipe gallery side or upper portion to through the ventilation in the form burden pipe gallery of connecting the tuber pipe. This kind of fan room's the mode that sets up either increases the civil engineering scope of engineering, or occupies certain quantity commercial area in the adjacent landmass, and ventilation system independent setting respectively behind the accident of each pipe gallery cabin ventilation system and after the fire disaster, must influence the fan room area of pipe gallery like this, has increased the construction cost, has also increased very big ground cost for the operation in later stage, and the loaded down with trivial details of system has also brought very big difficulty for the management.
Therefore, how to satisfy city piping lane's ventilation and behind the fire incident ventilation demand, can rationally optimize the usage space who utilizes pipe gallery fan room again moreover, the ventilation system that can also reduce construction, operation administrative cost becomes the technical problem that technical personnel in this field need solve urgently.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model provides a piping lane ventilation system in non-gas pipeline cabin, the purpose of realization not only can effectively get rid of peculiar smell, waste heat, surplus wet, poisonous and harmful gas in the piping lane, moreover after the conflagration, can also get rid of fast and remain flue gas and heat, can the at utmost reduce the construction cost of implementation phase and the daily operation expense of operation phase.
In order to achieve the above object, the utility model discloses a pipe gallery ventilation system in non-gas pipeline cabin, including ground oral area, pipe gallery fan room and pipe gallery main part.
Wherein the ground mouth part comprises a ground exhaust pavilion and a ground air supply pavilion;
the pipe rack machine room comprises a ventilator machine room, a fan feeding room, a fan exhausting room and an electric fire damper machine room; the air feeder room is provided with a fixed air feeder; the exhaust fan room is provided with a fixed exhaust fan; the electric fire damper machine room is provided with a manual fire damper;
an electric fire damper is arranged on a partition wall or a middle plate between each pipe gallery machine room and the pipe gallery main body;
the pipe rack main body at least comprises a first non-gas pipeline cabin and a second non-gas pipeline cabin;
an accident rear ventilator access port is arranged at the ground exhaust pavilion; a movable exhaust fan is arranged at the inlet of the ventilator after the accident;
an accident rear ventilator access port is arranged at the ground air delivery pavilion; and a movable air feeder is arranged at the inlet of the ventilator after the accident.
Preferably, the distance between the bottom edge of the louver of the ground air delivery pavilion and the bottom edge of the access opening is not less than the flooding-proof height.
The utility model has the advantages that:
the utility model discloses the piping lane ventilation system technique of non-gas pipeline cabin is reliable, can realize ventilation and post-fire accident back ventilation in the piping lane, and space in the rational utilization piping lane can save construction cost and operation administrative cost, has general suitability to city piping lane, conveniently promotes in the similar engineering.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 shows a schematic view of a ventilation system of a piping lane main body in an embodiment of the present invention.
Fig. 2 shows a schematic layout of a blower room according to an embodiment of the present invention.
Fig. 3 is a schematic diagram illustrating an exhaust fan room according to an embodiment of the present invention.
Fig. 4 shows a schematic cross-sectional view of an embodiment of the invention.
Detailed Description
Examples
As shown in fig. 1 to 4, the pipe rack ventilation system of the non-gas line cabin includes a floor opening, a pipe rack ventilator room, and a pipe rack main body.
Wherein the ground opening part comprises a ground exhaust pavilion 1-1 and a ground air supply pavilion 1-2;
the pipe rack machine room comprises a ventilator machine room, a fan feeding room, a fan exhausting room and an electric fire damper machine room; the blower room is provided with fixed blowers 1-6; the exhaust fan room is provided with fixed exhaust fans 1-5; the electric fire damper machine room is provided with manual fire dampers 1-7;
a partition wall or a middle plate between each pipe gallery machine room and the pipe gallery main body is provided with an electric fire damper 1-8;
the pipe rack main body at least comprises a first non-gas pipeline cabin 2-1 and a second non-gas pipeline cabin 2-2;
an accident rear ventilator access port 1-3 is arranged at the ground exhaust pavilion 1-1; a movable exhaust fan 2-4 is arranged at the fan inlet 1-3 after the accident;
an accident ventilator access port 1-4 is arranged at the ground air delivery pavilion 1-2; the inlet 1-4 of the ventilator after the accident is provided with a movable blower 2-5.
The principle of the utility model is as follows:
according to 7.2.2 of "urban comprehensive pipe gallery engineering technical Specification" GB 50838-2015: the normal ventilation frequency is not less than 2 times/h, and the accident ventilation frequency is not less than 6 times/h.
In the prior art, 3 air blowers and exhaust fans with 2 times of ventilation times or 2 air blowers and exhaust fans with 3 times of ventilation times are often adopted respectively to be used for ventilation during ordinary operation of a one-section pipe gallery ventilation zone pipe gallery. In the daily use of piping lane operator, often only have the condition of opening a fan, the condition of ventilation takes place for a short time after the accident.
Moreover, the ventilation behind the piping lane accident is for getting rid of waste gas convenient for maintenance after the inside oxygen deficiency of piping lane section of catching fire arrests, and required real-time when not the fire disaster fire control in the traditional meaning discharges fume, so required fan of ventilation behind the relevant accident can adopt the portable fan of non-fixed mounting, ventilates the section of catching fire through inserting the civil engineering access opening department of reserving behind the piping lane fire disaster. The reduction of the number of the fixed fans by 66.66 percent can reduce the installed electric capacity and the installed area of required equipment by 66.66 percent, thereby achieving the effect of reducing the construction security fee of a machine room in the implementation period and the electric charge in the operation period.
The comprehensive pipe gallery is usually constructed in the prior art in a way that multiple cabins extend in parallel, so on the basis that the accident ventilation fan is used as a movable fan, a concept that multiple non-gas cabin pipe gallery ventilation sections can share the same ordinary ventilation system is additionally provided, the maximum value of the required ordinary ventilation quantity is used as the calculated value of the multi-cabin ordinary ventilation system, and compared with the prior art, the total electric installation capacity and the required equipment installation area are reduced again on the basis that 66.66% of the electric installation capacity is reduced according to the increase of the number of the pipe gallery cabins of the ordinary ventilation system, so that the effects of reducing the machine room construction safety fee in the implementation period and the electricity fee in the operation period are enhanced.
In some embodiments, the height of the bottom edge of the louver of the ground air delivery kiosk 1-2 from the bottom edge of the access opening is not less than the flood-proof height.
The utility model discloses still provide the application method of the piping lane ventilation system in non-gas pipeline cabin, the step is as follows:
when normal ventilation is performed, 1-1 parts of ground exhaust pavilions, 1-3 parts of fan access ports after accidents, 1-5 parts of fixed exhaust fans, 1-6 parts of fixed blowers, 1-7 parts of manual fire valves and 1-8 parts of electric fire valves are operated in a combined mode, and ventilation requirements of a first non-gas pipeline cabin 2-1, a second non-gas pipeline cabin 2-2 and other non-gas pipeline cabins are met by adjusting the opening and closing of the electric fire valves 1-8;
when a fire disaster happens, the fixed exhaust fans 1-5, the fixed blowers 1-6 and the electric fire valves 1-8 are closed, the movable exhaust fans 2-4 and the movable blowers 2-5 are respectively standby at the fan inlets 1-3 and 1-4 after the accident, and after the oxygen deficiency and the fire stopping in the pipe gallery, the post-accident ventilation is carried out to remove residual smoke and heat;
after an accident occurs after a fire disaster, during ventilation, the ground air delivery pavilion 1-2, the ventilator access port 1-4 after the accident, the manual fire damper 1-7, the electric fire damper 1-8, the movable exhaust fan 2-4 and the movable air feeder 2-5 run in a combined mode, and therefore ventilation and smoke exhaust requirements of blocking or fire working conditions are met.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (2)
1. The pipe gallery ventilation system of the non-gas pipeline cabin comprises a ground opening part, a pipe gallery ventilation machine room and a pipe gallery main body; the ground ventilation system is characterized in that the ground opening part comprises a ground ventilation pavilion (1-1) and a ground ventilation pavilion (1-2);
the pipe rack machine room comprises a ventilator machine room, a fan feeding room, a fan exhausting room and an electric fire damper machine room; the air blower room is provided with a fixed air blower (1-6); the exhaust fan room is provided with a fixed exhaust fan (1-5); the electric fire damper machine room is provided with a manual fire damper (1-7);
an electric fire damper (1-8) is arranged on a partition wall or a middle plate between each pipe gallery machine room and the pipe gallery main body;
the pipe rack body at least comprises a first non-gas pipeline cabin (2-1) and a second non-gas pipeline cabin (2-2);
an accident rear ventilator access port (1-3) is arranged at the ground exhaust pavilion (1-1); the fan inlet (1-3) after the accident is provided with a movable exhaust fan (2-4);
an accident rear ventilator access port (1-4) is arranged at the ground air delivery pavilion (1-2); and the inlet (1-4) of the ventilator after the accident is provided with a movable blower (2-5).
2. The pipe rack ventilation system for non-gas line cabins according to claim 1, characterized in that the height of the bottom of the louver of the ground air box (1-2) from the bottom of the access opening is no less than the flood-proof height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573969.5U CN212253033U (en) | 2020-08-03 | 2020-08-03 | Pipe gallery ventilation system of non-gas pipeline cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573969.5U CN212253033U (en) | 2020-08-03 | 2020-08-03 | Pipe gallery ventilation system of non-gas pipeline cabin |
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| CN212253033U true CN212253033U (en) | 2020-12-29 |
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| CN202021573969.5U Active CN212253033U (en) | 2020-08-03 | 2020-08-03 | Pipe gallery ventilation system of non-gas pipeline cabin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878954A (en) * | 2020-08-03 | 2020-11-03 | 上海市城市建设设计研究总院（集团）有限公司 | Pipe gallery ventilation system of non-gas pipeline cabin and using method thereof |
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2020
- 2020-08-03 CN CN202021573969.5U patent/CN212253033U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878954A (en) * | 2020-08-03 | 2020-11-03 | 上海市城市建设设计研究总院（集团）有限公司 | Pipe gallery ventilation system of non-gas pipeline cabin and using method thereof |
| CN111878954B (en) * | 2020-08-03 | 2024-04-09 | 上海市城市建设设计研究总院（集团）有限公司 | Use method of pipe gallery ventilation system of non-gas pipeline cabin |
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