CN108360562B

CN108360562B - Comprehensive pipe gallery

Info

Publication number: CN108360562B
Application number: CN201810178151.4A
Authority: CN
Inventors: 张志宏; 刘欢; 于学锋; 马云龙; 朱国青; 陈云龙; 王莉; 姜雅慧; 游贤琨; 何新慧; 杨杏彩
Original assignee: Beris Engineering and Research Corp
Current assignee: Beris Engineering and Research Corp
Priority date: 2018-03-05
Filing date: 2018-03-05
Publication date: 2020-09-11
Anticipated expiration: 2038-03-05
Also published as: CN108360562A

Abstract

The invention discloses a comprehensive pipe gallery which comprises a plurality of cabins, wherein the cabins are arranged side by side along the width direction of the comprehensive pipe gallery, a water collecting pit is respectively arranged in each cabin, communicating holes are formed between the water collecting pits of the adjacent cabins, and the water collecting pits of each cabin are communicated with each other through the corresponding communicating holes. This utility tunnel is through setting up the sump pit in each cabin to communicate the sump pit each other, form the sewage collection pit of a intercommunication between each sump pit, the unified collection of the sewage of being convenient for has increased the effective volume of sump pit, and effective utilization rate. Unified be convenient for the unified laying and the control of dredge pump, detecting element, the stringing of the various pipelines of also being convenient for, the unified management and control of being convenient for has reduced the work load of patrolling and examining personnel when greatly reduced utility tunnel construction cost.

Description

Comprehensive pipe gallery

Technical Field

The invention relates to the technical field of urban infrastructure, in particular to a comprehensive pipe gallery.

Background

The comprehensive pipe gallery is an underground urban pipeline comprehensive corridor, namely a municipal common tunnel is built under an urban road, various municipal engineering pipelines such as electric power, communication, water supply and drainage, heat supply and the like are integrated, and unified planning, unified construction and unified management are carried out so as to comprehensively utilize underground space and share resources.

The utility tunnel is provided with a special access hole, a lifting hole and a monitoring system, and is an important infrastructure and a 'life line' for guaranteeing urban operation. The utility tunnel can effectively avoid the road to excavate repeatedly, and the intensive utilization is ground, the space resource underground, reduces various pipeline corrodes, prolongs the life of pipeline to the pipeline is add, the dilatation is more convenient. The smooth road traffic is ensured, and the safe operation of underground pipelines is ensured.

In the sump pit technique of utility tunnel at present, the ponding in the utility tunnel can not be from arranging. A sump needs to be provided. The water that the sump pit mainly collected mainly derives from the infiltration of piping lane vestibule body, the scattered water leakage of pipeline and various municipal administration pipelines are emptied water in the short time and are cleaned the terrace and sprayed the sewage behind the water. Every cabin body of every utility tunnel all sets up a sump pit, and utility tunnel sets up several cabin bodies promptly, designs the sump pit of the same quantity, all sets up two submersible sewage pumps in every sump pit. All the water collecting pits are arranged at the lowest part in the fireproof subarea of each pipe gallery cabin body or near the fireproof wall in the fireproof subarea. Set up a large amount of sump pits and submersible sewage pump in the pipe gallery of a plurality of fire prevention subregion of utility tunnel, immersible pump quantity reaches dozens or hundreds as much as, increases the degree of difficulty for operation, the maintenance of utility tunnel entire system. And for guaranteeing that the pipe gallery sump pit submersible sewage pump opens and stops the number of times and does not exceed 6, single sump pit volume sets up great, causes great difficulty for the civil engineering construction, increases the pipe gallery investment.

Disclosure of Invention

Therefore, the invention provides the comprehensive pipe rack which greatly reduces the construction cost of the comprehensive pipe rack and reduces the workload of inspection personnel so as to solve the problems in the prior art.

According to the invention, the utility tunnel comprises a plurality of cabins, the cabins are arranged side by side along the width direction of the utility tunnel, a water collecting pit is respectively arranged in each cabin, communication holes are arranged between the water collecting pits of the adjacent cabins, and the water collecting pits of each cabin are communicated with each other through the corresponding communication holes.

Preferably, a sewage pump is provided in the sump in one of the plurality of chambers for discharging sewage in the plurality of chambers.

Preferably, an outdoor drainage inspection well is arranged outside the pipe gallery and communicated with the sewage pump.

Preferably, the water supply device further comprises a water supply pipeline, one end of the water supply pipeline extends into the water collecting pit, and the other end of the water supply pipeline is communicated with an external water supply source.

Preferably, a manual butterfly valve and an electric butterfly valve are respectively arranged on the water replenishing pipeline and used for controlling the on-off of the water replenishing pipeline.

Preferably, an ultrasonic liquid level meter is arranged in the sump provided with the sewage pump, and the ultrasonic liquid level meter is provided with a plurality of alarm interlocking points.

Preferably, the number of the sewage pumps is two.

Preferably, the alarm linkage point sequentially comprises from bottom to top: the device comprises a lowest liquid level alarm linkage point, a water seal lowest liquid level linkage point, a water seal highest liquid level linkage point, a sewage pump automatic stop operation linkage point, a sewage pump start operation linkage point, two sewage pumps start operation linkage points at the same time and a highest liquid level alarm water level linkage point.

Preferably, the height of the linkage point of the lowest liquid level of the water seal is higher than that of the communication hole.

Preferably, a drain gutter is provided at a bottom of each of the cabins, the drain gutter being provided along an extending direction of the cabin, the drain gutter being in communication with the sump.

According to the comprehensive pipe gallery provided by the invention, the water collecting pits are arranged in the cabins and are communicated with each other, and the communicated sewage collecting pits are formed among the water collecting pits, so that the sewage can be uniformly collected, the effective volume of the water collecting pits is increased, and the effective utilization rate is increased. Unified be convenient for the unified laying and the control of dredge pump, detecting element, the stringing of the various pipelines of also being convenient for, the unified management and control of being convenient for has reduced the work load of patrolling and examining personnel when greatly reduced utility tunnel construction cost.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Figure 1 shows a schematic top view of a utility tunnel according to an embodiment of the present invention.

Figure 2 shows a longitudinal cross-sectional view of a utility tunnel according to an embodiment of the present invention.

Figure 3 illustrates a piping diagram of the intake sump of the utility tunnel according to an embodiment of the present invention.

In the figure: the device comprises a comprehensive cabin 1, a strong electric cabin 2, a weak electric cabin 3, a sump 4, a communication hole 5, an outdoor drainage inspection well 6, a drain pipe 7, a water replenishing pipeline 8, an electric valve 91, a manual valve 92 sewage pump 10, an electric butterfly valve 11, an ultrasonic liquid level meter 19, a lowest liquid level alarm interlocking point 18, a water seal lowest liquid level interlocking point 17, a water seal highest liquid level interlocking point 16, a sewage pump automatic stop operation interlocking point 15, a sewage pump start operation interlocking point 14, two sewage pumps start operation interlocking points 13 and a highest liquid level alarm water level interlocking point 12.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 3, the present invention provides a utility tunnel, which comprises a plurality of cabins, wherein the cabins are arranged side by side along the width direction of the utility tunnel, a water collecting pit 4 is respectively arranged in each cabin, communication holes 5 are arranged between the water collecting pits 4 of the adjacent cabins, and the water collecting pits 4 of each cabin are communicated with each other through the corresponding communication holes 5.

And a sewage pump is arranged in the water collecting well in one of the chambers and used for discharging sewage in the chambers.

In this embodiment, the number of the cabins is three, and the cabins are respectively a comprehensive cabin 1, a strong electric cabin 2 and a weak electric cabin 3 which are arranged side by side along the width direction of the comprehensive pipe rack. The sewage pump is arranged in the comprehensive cabin 1, the number of the sewage pumps is two, and the sewage pump is specifically selected to be a submersible sewage pump. The outside of piping lane is equipped with outdoor drainage inspection shaft 6, outdoor drainage inspection shaft 6 with through blow off pipe 7 intercommunication between the dredge pump. The drain pipe 7 is provided with a valve, and the embodiment is respectively provided with an electric valve 91 and a manual valve for manually or electrically controlling the discharge of sewage in the sump 4. The length of sump pit 4 is whole piping lane's inner wall width, and sump pit 4 width is 800mm, and the sump pit 4 degree of depth is 1 m. The sump 4 mainly collects structural seepage water from the pipe gallery, pipe gallery leakage water, pipeline emptying water, ground cleaning water and the like. The upper end of the sump 4 is provided with a steel grating plate, the submersible sewage pump is connected with a sewage discharge pipe 7 line, and the side wall of the sump 4 is provided with a crawling ladder. The bottom of each cabin is equipped with the gutter respectively, the gutter sets up along the extending direction of each cabin separately, and the gutter sets up along each cabin is vertical, and the slope is with each cabin slope of piping lane, the gutter with sump 4 intercommunication.

Further, this utility tunnel still includes moisturizing pipeline 8, moisturizing pipeline 8's one end extends down in the sump pit 4, the other end and outside water supply intercommunication. And a manual butterfly valve (not shown) and an electric butterfly valve 11 are respectively arranged on the water replenishing pipeline 8, and the manual butterfly valve and the electric butterfly valve 11 are connected in series for use and are used for controlling the on-off of the water replenishing pipeline 8 in a manual mode or an electric control mode. When the manual butterfly valve is debugged or the electric butterfly valve 11 is out of line, the manual butterfly valve can be opened on site, and the stability of system operation is ensured.

An ultrasonic liquid level meter 19 is arranged in the sump provided with the sewage pump, and the ultrasonic liquid level meter 19 is provided with a plurality of alarm interlocking points. The alarm linkage point sequentially comprises from bottom to top: a lowest liquid level alarm linkage point 18, a water seal lowest liquid level linkage point 17, a water seal highest liquid level linkage point 16, a sewage pump automatic stop operation linkage point 15, a sewage pump start operation linkage point 14, two sewage pumps simultaneously start operation linkage points 13 and a highest liquid level alarm water level linkage point 12.

The sewage pump, the electric butterfly valve 11, the electric valve 91 and the ultrasonic liquid level meter 19 are respectively in signal transmission with the control room. The electric valve 91 on the blow-off pipe 7 is specifically selected as a butterfly check valve, which can prevent sewage from flowing backwards, and the manual valve is selected as a manual butterfly valve which is in a normally open state, and when the water pump or the butterfly check valve needs to be overhauled, the manual butterfly valve is operated on site.

The ultrasonic liquid level meter 19 transmits the collected signals to the control room, and the control device (such as a control cabinet) in the control room analyzes the signals and outputs control signals to control corresponding actuators, such as a sewage pump, an electric butterfly valve 11 or an electric valve 91. Of course, staff in the control room and inspection personnel in the pipe gallery can also carry out each valve of manual control as required. Each of the above-mentioned linkage points is a critical point for the control room to send out a control signal.

Wherein, the lowest liquid level alarm interlocking point 18 is positioned below the communicating hole 5 and is a lowest water level point control point for sewage discharge of the sewage discharge pump, and when the lowest liquid level alarm interlocking point is lower than the water level, the control room gives an alarm prompt. The water seal minimum liquid level interlocking point 17 is positioned above the communicating hole 5, when the water seal liquid level in the water collecting pit 4 is lower than the liquid level, an external water supply source is started, water is supplemented by the water supply source, so that the liquid seal water level in the water collecting pit 4 is higher than the water seal minimum liquid level interlocking point 17, a water seal is formed, and smoke is prevented from being scattered and flames are prevented from being mixed into adjacent cabins in a firing state. The water seal maximum liquid level interlocking point 16 is a maximum water level mark point for performing liquid seal water level supplement, when water is supplemented to the liquid level, the water supply source is closed, and the liquid seal water supplement is stopped.

The automatic operation stop linkage point 15 of the sewage pump, the starting operation linkage point 14 of one sewage pump and the simultaneous starting operation linkage point 13 of two sewage pumps are all linkage points for controlling the operation state of the sewage pump. Wherein, a dredge pump starts operation interlock point 14 is the critical point that the water level rises to the blowdown requirement in sump 4, and a water pump starts the blowdown at this moment, drops to dredge pump automatic shutdown interlock point 15 until the water level, and this dredge pump of control room control is closed, stops the blowdown. When the sewage level in the sump 4 rises to the point 13 where the two sewage pumps are simultaneously started to operate in a linkage manner in the sewage discharging process, the control room controls the two sewage pumps to be started for discharging the sewage. If the water level continues to rise to the maximum liquid level alarm water level linkage point 12, an alarm signal is sent to the main control room, an operator needs to be prompted to check whether the water pump has a problem or whether the pipeline has a pipe burst problem or not, and a field inspector needs to investigate and analyze the field condition and restore the automatic working state as soon as possible.

The maximum liquid level alarm water level linkage point 12 is used for controlling the maximum liquid level in the water collection pit 4, and when the liquid level in the water collection pit 4 is higher than the maximum liquid level alarm water level linkage point 12, the control room gives an alarm to prompt and reminds related workers to solve problems in time.

The height of the lowest liquid level alarm interlocking point 18 from a bottom plate of a water collection pit 4 is 100mm, the height of a communication hole 5 of the water collection pit 4 is 120mm (higher than the lowest liquid level alarm interlocking point 1820mm) from the bottom plate, the height of the water seal lowest liquid level interlocking point 17 from the bottom plate is 200mm (higher than the height elevation of the communication hole 5 is 80mm), the height of the water seal highest liquid level interlocking point 16 from the bottom plate is 300mm (higher than the water seal lowest water level interlocking point 100mm), the distance of the sewage pump automatic stop operation interlocking point 15 from the bottom plate is 330mm (higher than the water seal highest water level 30mm), the distance of the sewage pump start operation interlocking point 14 from the bottom plate is 800mm (higher than the sewage pump stop pump water level 470mm), the distance of the bottom plate is 900mm (higher than the sewage pump start operation interlocking point 14 liquid level 100mm), and the height of the highest liquid level alarm interlocking point 12 from the bottom plate is 970mm (higher than the liquid level of the two sewage pumps simultaneously start operation interlocking. The height of the whole sump 4 is 1000 mm. All the liquid level information is stored in a remote control room, and the liquid level condition of the sump 4 can be observed at any time.

Utility tunnel in this application is through setting up sump 4 in each cabin to with sump 4 intercommunication each other, form the sewage collection hole of a intercommunication between each sump 4, the unified collection of the sewage of being convenient for has increased the effective volume of sump 4, and effective utilization rate. Unified be convenient for the unified laying and the control of dredge pump, detecting element, the stringing of the various pipelines of also being convenient for, the unified management and control of being convenient for has reduced the work load of patrolling and examining personnel when greatly reduced utility tunnel construction cost.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A utility tunnel is characterized by comprising a plurality of cabins, wherein the cabins are arranged side by side along the width direction of the utility tunnel, a water collecting pit is respectively arranged in each cabin, communication holes are arranged between the water collecting pits of the adjacent cabins, and the water collecting pits of each cabin are communicated with each other through the corresponding communication holes;

a sewage pump is arranged in a sump in one of the cabins and used for discharging sewage in the cabins; the number of the sewage pumps is two, an ultrasonic liquid level meter is arranged in a sump provided with the sewage pumps, and the ultrasonic liquid level meter is provided with a plurality of alarm interlocking points; the alarm linkage point sequentially comprises from bottom to top: a lowest liquid level alarm linkage point, a water seal lowest liquid level linkage point, a water seal highest liquid level linkage point, a sewage pump automatic stop operation linkage point, a sewage pump start operation linkage point, two sewage pumps start operation linkage points simultaneously and a highest liquid level alarm water level linkage point; the starting operation interlocking point of the sewage pump is a critical point when the water level in the sump rises to reach the sewage discharge requirement, and the sewage pump is started to discharge sewage; when the sewage level in the sump rises to a point where the two sewage pumps are started to run and interlock simultaneously, the two sewage pumps are started to discharge the sewage;

and one end of the water replenishing pipeline extends into the water collecting pit, the other end of the water replenishing pipeline is communicated with an external water supply source, and water can be replenished into the water collecting pit and can enable the water level in the water collecting pit to be always higher than the communicating hole.

2. The utility tunnel of claim 1, wherein an outdoor drainage inspection well is provided on the exterior of the tunnel, said outdoor drainage inspection well being in communication with the dredge pump.

3. The utility tunnel according to claim 2, characterized in that the water supply pipeline is respectively provided with a manual butterfly valve and an electric butterfly valve for controlling the on-off of the water supply pipeline.

4. The utility tunnel according to claim 1, characterized in that the water seal minimum liquid level interlocking point is arranged at a height higher than the communication hole.

5. The utility tunnel according to any of claims 1-4, characterized in that the bottom of each of said cabins is provided with a gutter, respectively, said gutter being arranged along the extension of the respective cabin, said gutter communicating with said sump.