CN108360562A - Pipe gallery - Google Patents

Abstract

The invention discloses a comprehensive pipe gallery, which includes a plurality of cabins, and the multiple cabins are arranged side by side along the width direction of the comprehensive pipe gallery, and sump pits are respectively arranged in each of the cabins. Communication holes are opened between the sumps of the compartments, and the sumps of each compartment communicate with each other through the corresponding communication holes. The comprehensive pipe gallery sets up sumps in each cabin and connects the sumps to each other, forming a connected sewage collection pit between the sumps, which facilitates the unified collection of sewage and increases the effective use of the sumps. volume, and effective utilization. Unification facilitates the unified layout and control of sewage pumps and detection units, as well as the layout of various pipelines, and facilitates unified management and control. While greatly reducing the construction cost of the comprehensive pipe gallery, it also reduces the workload of inspection personnel.

Description

Comprehensive corridor

technical field

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

Background technique

The so-called comprehensive pipe corridor is the "underground urban pipeline comprehensive corridor", that is, to build a municipal shared tunnel under the urban road, integrating various municipal engineering pipelines such as power, communication, water supply and drainage, and heating, and implementing "unified planning, Unified construction and unified management" to achieve comprehensive utilization of underground space and sharing of resources.

The integrated pipe gallery is equipped with special inspection openings, hoisting openings and monitoring systems, which are important infrastructure and "lifelines" to ensure the operation of the city. The comprehensive pipe gallery can effectively avoid repeated excavation of roads, intensively use above-ground and underground space resources, reduce various pipeline corrosion, prolong the service life of pipelines, and it is more convenient to add and expand pipelines. Ensure smooth road traffic and ensure safe operation of underground pipelines.

In the current sump technology of the comprehensive pipe gallery, the accumulated water in the comprehensive pipe gallery cannot be self-drained. A sump is required. The water collected by the sump mainly comes from the water seepage of the pipe gallery, the sporadic water leakage of the pipes, and the sewage after the water is emptied in a short period of time by various municipal pipes and the floor is cleaned and sprayed with water. Each cabin of each integrated utility gallery is equipped with a sump, that is, the integrated utility gallery is equipped with several cabins, and the same number of sumps is designed, and two submersible sewage pumps are installed in each sump. All sumps are set at the lowest point in the fire compartment of each pipe gallery cabin or near the firewall in the fire compartment. A large number of sumps and submersible sewage pumps are installed in the pipe corridors of several fire protection zones in the comprehensive pipe gallery. The number of submersible pumps is as many as dozens or hundreds, which makes the operation and maintenance of the entire system of the comprehensive pipe gallery more difficult. In addition, in order to ensure that the number of starts and stops of the submersible sewage pump in the sump of the pipe gallery does not exceed 6 times, the volume of a single sump is set to be large, which causes great difficulties in the civil construction and increases the investment in the pipe gallery.

Contents of the invention

In view of this, the present invention provides a comprehensive utility gallery which greatly reduces the construction cost of the utility utility gallery and at the same time reduces the workload of inspection personnel, so as to solve the problems existing in the prior art.

According to the present invention, a comprehensive pipe gallery is provided, which includes a plurality of cabins, and the multiple cabins are arranged side by side along the width direction of the comprehensive pipe gallery, and sump pits are respectively arranged in each of the cabins, and the adjacent ones Communication holes are opened between the sumps of the compartments, and the sumps of each compartment communicate with each other through the corresponding communication holes.

Preferably, a sewage pump is provided in a sump in one of the plurality of compartments to discharge the sewage in the plurality of compartments.

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

Preferably, it also includes a water supply pipeline, one end of the water supply pipeline extends down into the sump, and the other end communicates with an external water supply source.

Preferably, the water supply pipeline is provided with a manual butterfly valve and an electric butterfly valve respectively for controlling the on-off of the water supply pipeline.

Preferably, an ultrasonic liquid level gauge is installed in the sump where the sewage pump is installed, and the ultrasonic liquid level gauge is provided with a plurality of alarm chain points.

Preferably, the number of the sewage pumps is two.

Preferably, the alarm interlocking points sequentially include from bottom to top: the lowest liquid level alarm interlocking point, the lowest liquid level interlocking point of the water seal, the highest liquid level interlocking point of the water seal, the interlocking point for automatically stopping the operation of the sewage pump, and a sewage pump Start operation chain point, two sewage pumps start operation chain point at the same time, the highest liquid level alarm water level chain point.

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

Preferably, the bottom of each of the compartments is respectively provided with drainage gutters, the drainage gutters are arranged along the extension direction of the respective compartments, and the drainage gutters communicate with the sump.

The comprehensive pipe gallery provided by the present invention sets sump pits in each cabin and connects the sump pits with each other to form a connected sewage collection pit between the sump pits, which facilitates the unified collection of sewage and increases the water collection capacity. The effective volume of the pit and the effective utilization rate. Unification facilitates the unified layout and control of sewage pumps and detection units, as well as the layout of various pipelines, and facilitates unified management and control. While greatly reducing the construction cost of the comprehensive pipe gallery, it also reduces the workload of inspection personnel.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the specific embodiments or the prior art. Throughout the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, elements or parts are not necessarily drawn in actual scale.

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

Fig. 2 shows a longitudinal sectional view of a comprehensive utility gallery according to an embodiment of the present invention.

Fig. 3 shows the piping system diagram of the water inlet chamber of the comprehensive utility gallery according to the embodiment of the present invention.

In the figure: comprehensive cabin 1, strong electric cabin 2, weak electric cabin 3, sump 4, communication hole 5, outdoor drainage inspection well 6, sewage pipe 7, water supply pipeline 8, electric valve 91, manual valve 92 sewage pump 10 , electric butterfly valve 11, ultrasonic liquid level gauge 19, minimum liquid level alarm chain point 18, water seal minimum liquid level chain point 17, water seal maximum liquid level chain point 16, sewage pump automatic stop operation chain point 15, a sewage pump Start operation chain point 14, two sewage pumps simultaneously start operation chain point 13, maximum liquid level alarm water level chain point 12.

Detailed ways

Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, so they are only examples, and should not be used to limit the protection scope of the present invention.

As shown in Figures 1 to 3, the present invention provides a comprehensive pipe gallery, which includes a plurality of cabins, and the multiple cabins are arranged side by side along the width direction of the comprehensive pipe gallery, and in each of the cabins Water sumps 4 are respectively provided, and communication holes 5 are opened between the sumps 4 of adjacent compartments, and the sumps 4 of each compartment communicate with each other through the corresponding communication holes 5 .

A sewage pump is provided in a sump well in one of the multiple compartments to discharge the sewage in the multiple compartments.

In this embodiment, the number of cabins is three, which are the comprehensive cabin 1, the strong electric cabin 2 and the weak electric cabin 3 arranged side by side along the width direction of the integrated pipe gallery. The sewage pump is arranged in the integrated cabin 1, and its number is two, and the sewage pump is specifically selected as a submersible sewage pump. An outdoor drainage inspection well 6 is provided outside the pipe gallery, and the outdoor drainage inspection well 6 communicates with the sewage pump through a sewage pipe 7 . The sewage pipe 7 is provided with a valve, and in this embodiment, an electric valve 91 and a manual valve are respectively provided for manually or electronically controlling the discharge of sewage in the sump 4 . The length of the sump 4 is the width of the inner wall of the entire pipe gallery, the width of the sump 4 is 800mm, and the depth of the sump 4 is 1m. The sump 4 mainly collects structural water seepage from the pipe gallery, water leakage from the pipe gallery, pipe emptying water, ground cleaning water, etc. The upper end of the sump 4 is provided with a steel grid plate, the submersible sewage pump is connected with a sewage pipe 7, and the side wall of the sump 4 is provided with a ladder. The bottoms of each of the cabins are respectively provided with drain side ditches, the drainage side ditches are arranged along the extension direction of the respective cabins, the drainage side ditches are arranged longitudinally along each cabin, and the slope is the same as that of each cabin in the pipe gallery, and the drainage side ditch and the The sump 4 is connected.

Further, the integrated pipe gallery also includes a water replenishment pipeline 8, one end of which extends down into the sump 4, and the other end communicates with an external water supply source. The water supply pipeline 8 is provided with a manual butterfly valve (not shown in the figure) and an electric butterfly valve 11 respectively. The manual butterfly valve and the electric butterfly valve 11 are used in series to control the on-off of the water supply pipeline 8 manually or electronically. When the manual butterfly valve is being debugged or the electric butterfly valve 11 is out of line, the site can be opened according to the manual butterfly valve to ensure the stable operation of the system.

An ultrasonic liquid level gauge 19 is provided in the sump pit provided with the sewage pump, and the ultrasonic liquid level gauge 19 is provided with multiple alarm chain points. The alarm chain points from bottom to top include: minimum liquid level alarm chain point 18, water seal minimum liquid level chain point 17, water seal maximum liquid level chain point 16, sewage pump automatic stop operation chain point 15, a sewage pump Pump start operation interlock point 14, two sewage pumps simultaneously start operation interlock point 13, maximum liquid level alarm water level interlock point 12.

The sewage pump, the electric butterfly valve 11, the electric valve 91 and the ultrasonic liquid level gauge 19 carry out signal transmission with the control room respectively. The electric valve 91 on the sewage pipe 7 is specifically selected as a butterfly check valve, which can prevent sewage from flowing backwards. The manual valve is selected as a manual butterfly valve, which is normally open. Field operated manual butterfly valve.

The ultrasonic liquid level gauge 19 transmits the collected signal to the control room, and the control device (such as a control cabinet) in the control room makes an analysis and then transmits the control signal to control the corresponding actuators, such as the sewage pump, the electric butterfly valve 11 or the electric valve. Valve 91 moves. Of course, the staff in the control room and the inspection personnel in the pipe gallery can also manually control each valve as needed. The above-mentioned interlocking points are critical points for the control room to send out control signals.

Wherein, the minimum liquid level alarm interlocking point 18 is located below the communicating hole 5, and is the minimum water level control point for sewage pump discharge. When the water level is lower than this level, the control room will give an alarm prompt. The lowest liquid level interlocking point 17 of the water seal is located above the communication hole 5. When the water seal liquid level in the sump 4 is lower than this level, the external water supply source is started, and the water supply source replenishes water, so that the sump pit The water level of the liquid seal in 4 is higher than the minimum liquid level interlocking point 17 of the water seal, thereby forming a water seal, preventing smoke from escaping and flames from being strung into adjacent cabins under the state of being on fire. The highest liquid level interlocking point 16 of the water seal is the highest water level marking point for supplementing the water level of the liquid seal. When replenishing water to this liquid level, the water supply source is closed, and the replenishment of the liquid seal is stopped.

The automatic stop operation interlock point 15 of the sewage pump, the start operation interlock point 14 of one sewage pump, and the simultaneous start operation interlock point 13 of two sewage pumps are all interlock points for controlling the operation state of the sewage pump. Among them, the start-up operation chain point 14 of a sewage pump is the critical point when the water level in the sump 4 rises to the sewage discharge requirement. Control the sewage pump to shut down and stop sewage discharge. When the sewage water level in the sump 4 rises to the point 13 when the two sewage pumps start running at the same time during the sewage discharge process, the control room controls the two sewage pumps to start to discharge the sewage. If the water level continues to rise to the highest level alarm water level chain point 12, an alarm signal will be sent to the main control room, and the operator will be prompted to check whether there is a problem with the water pump or a pipe burst. And analysis, restore the automatic working state as soon as possible.

The highest liquid level alarm water level interlock point 12 is used to control the highest liquid level in the sump 4. When the liquid level in the sump 4 is higher than the highest liquid level alarm water level interlock point 12, the control room will give an alarm prompt to remind relevant Staff resolved issues in a timely manner.

The minimum liquid level alarm interlocking point 18 is 100mm from the bottom plate of the sump 4, the height of the sump 4 communication hole 5 is 120mm from the bottom plate (1820mm higher than the minimum liquid level alarm interlocking point), and the minimum liquid level interlocking point of the water seal is 17 200mm from the bottom plate (80mm higher than the height of the connecting hole 5), the highest liquid level interlocking point of the water seal 16 is 300mm away from the bottom plate (100mm higher than the lowest water level interlocking point of the water seal), the sewage pump automatically stops running and the interlock point 15 is 330mm away from the bottom plate (height The maximum water level of the water seal is 30mm), the start-up and operation interlocking point 14 of one sewage pump is 800mm from the bottom plate (470mm higher than the sewage pump stop water level), and the two sewage pumps start and run at the same time interlock point 13 is 900mm from the bottom plate (higher than one The interlocking point 14 of the first sewage pump starts to run, the liquid level is 100mm), and the interlocking point 12 of the highest liquid level alarm water level is 970mm away from the bottom plate (higher than the interlocking point 13, which is 200mm when two sewage pumps start and run at the same time). The height of the whole sump 4 is 1000mm. All the liquid level information is in the computer in the remote control room, and the liquid level of the sump 4 can be observed at any time.

The comprehensive pipe gallery in this application sets up sump pits 4 in each cabin, and connects sump pits 4 to each other, forming a connected sewage collection pit between each sump pit 4, which facilitates the unified collection of sewage and increases the The effective volume of the sump 4 and the effective utilization rate are determined. Unification facilitates the unified layout and control of sewage pumps and detection units, as well as the layout of various pipelines, and facilitates unified management and control. While greatly reducing the construction cost of the comprehensive pipe gallery, it also reduces the workload of inspection personnel.

It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application shall have the usual meanings understood by those skilled in the art to which the present invention belongs.

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

In this application, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, unless otherwise clearly specified and limited. , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. All of them should be covered by the scope of the claims and description of the present invention. In particular, as long as there is no structural conflict, the technical features mentioned in the various embodiments can be combined in any manner. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (10)

1. A comprehensive pipe gallery, characterized in that it comprises a plurality of cabins, which are arranged side by side along the width direction of the comprehensive pipe gallery, and sump pits are respectively arranged in each of the cabins, and adjacent Communication holes are opened between the sumps of the compartments, and the sumps of each compartment communicate with each other through the corresponding communication holes. 2 . The comprehensive utility gallery according to claim 1 , wherein a sewage pump is provided in a sump in one of the compartments to discharge the sewage in the plurality of compartments. 3 . 3. The integrated utility tunnel according to claim 2, wherein an outdoor drainage inspection well is provided outside the utility tunnel, and the outdoor drainage inspection well communicates with the sewage pump. 4 . The integrated pipe gallery according to claim 1 , further comprising a water supply pipeline, one end of the water supply pipeline extends downward into the sump, and the other end communicates with an external water supply source. 5 . The integrated pipe gallery according to claim 4 , wherein a manual butterfly valve and an electric butterfly valve are respectively provided on the water supply pipeline for controlling the on-off of the water supply pipeline. 6 . 6. The comprehensive pipe gallery according to claim 2, characterized in that an ultrasonic liquid level gauge is provided in the sump pit provided with the sewage pump, and the ultrasonic liquid level gauge is provided with a plurality of alarm chain points. 7. The integrated pipe gallery according to claim 6, wherein the number of said sewage pumps is two. 8. The comprehensive pipe gallery according to claim 7, characterized in that, the alarm chain points sequentially include: the lowest liquid level alarm chain point, the water seal minimum liquid level chain point, and the water seal maximum liquid level chain point from bottom to top. Point, sewage pump automatic stop operation chain point, one sewage pump start operation chain point, two sewage pumps start operation chain point at the same time, maximum liquid level alarm water level chain point. 9. The comprehensive utility gallery according to claim 8, characterized in that the installation height of the minimum liquid level interlocking point of the water seal is higher than the installation height of the communication hole. 10. The comprehensive pipe gallery according to any one of claims 1-9, characterized in that, the bottom of each of the cabins is respectively provided with drainage side ditches, and the drainage side ditches are arranged along the extension direction of the respective cabins. The drainage gutter communicates with the sump.