CN216521907U - Shallow chamber structure of direct-buried heating power pipeline and double shallow chamber structure - Google Patents
Shallow chamber structure of direct-buried heating power pipeline and double shallow chamber structure Download PDFInfo
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- CN216521907U CN216521907U CN202122960777.0U CN202122960777U CN216521907U CN 216521907 U CN216521907 U CN 216521907U CN 202122960777 U CN202122960777 U CN 202122960777U CN 216521907 U CN216521907 U CN 216521907U
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Abstract
The utility model discloses a shallow chamber structure and a double-shallow chamber structure of a direct-buried heat distribution pipeline, which solve the problem that a large inspection well needs to be built in the prior art, have the beneficial effects of facilitating the operation of workers and reducing the construction cost, and have the following specific schemes: the utility model provides a shallow room structure of direct-burried thermodynamic pipeline, including the shallow room body, the shallow room body includes that the multistage connects gradually annular lateral wall, the lateral wall bottom is passed through the bottom plate and is supported, the apron is supported on the top of lateral wall, the apron supports the well lid, the bottom plate is higher than the thermodynamic pipeline, install the valve in the thermodynamic pipeline and have the valve pole, the thermodynamic pipeline still sets up the bypass pipe, the bypass pipe passes the bottom plate setting, set up the bypass valve between the bypass pipe, the bleed valve is installed to each bypass pipe, bypass valve and bleed valve all are located the shallow indoor, bypass valve and valve pole dislocation arrangement.
Description
Technical Field
The utility model relates to the technical field of thermal pipelines, in particular to a shallow chamber structure and a double-shallow chamber structure of a directly-buried thermal pipeline.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In order to meet the requirements of maintenance, flow regulation and accident disconnection safety, the municipal heating power pipe network needs to be provided with a shutoff valve at the starting point of the pipeline and at a certain distance interval. For the valves with DN500 or more, a bypass valve is needed to be arranged so as to conveniently open the valves when the pipe network is started. In addition, in the operation process, a large amount of air enters the pipeline to cause a water hammer phenomenon, and in order to ensure the safety of the pipeline, an air discharging device must be arranged at a local high point of the pipeline.
Valves of the thermal pipeline are mostly arranged in the inspection well at the present stage. The inventor finds that as the diameter of a thermal pipeline is increased, the required covering soil is larger, so that the valve well is deeper and deeper, for example, according to the national standard atlas 17R410, for a DN800 pipeline valve well, the size is 4.5 meters net length, 2.4 meters net width and 3.5 meters net height, and the larger the pipe diameter is, the larger the size of the valve well is, so that the problem of large investment is caused; and when the valve is opened and closed, workers need to go into the well for operation, and the safety of the operators in the well is poor.
In addition, the problem of steam diffusion can appear in case there is ponding in the valve well of current heating power pipeline, and to receiving the steam of thermogenesis in prior art, can't handle the very first time, arouses some safety problems easily.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a shallow chamber structure of a directly-buried heat distribution pipeline, workers do not need to go down a well for operation, investment is saved, and the operation safety is higher.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a shallow room structure of direct-burried thermodynamic pipeline, including the shallow room body, the shallow room body includes that the multistage connects gradually annular lateral wall, the lateral wall bottom is passed through the bottom plate and is supported, the apron is supported on the top of lateral wall, the apron supports the well lid, the bottom plate is higher than the thermodynamic pipeline setting, install the valve pole that has in thermodynamic pipeline's valve, thermodynamic pipeline still sets up the bypass pipe, the bypass pipe passes the bottom plate, set up the bypass valve between the bypass pipe, the gas release pipe is installed at the bypass pipe top, bypass valve and gas release pipe all are located the shallow room, bypass valve and valve pole dislocation arrangement.
According to the shallow chamber structure, the valve rod of the thermal pipeline penetrates through the bottom plate and is positioned in the shallow chamber body, the shallow chamber body supports the well cover through the cover plate, and by opening the well cover, workers can directly operate the valve rod, the bypass valve and the air release pipe in the shallow chamber body on the ground, so that the shallow chamber structure is very convenient, the workers do not need to go down the well, and the safety of the workers is fully ensured; the bypass valve and the valve rod are arranged in a staggered mode, the bypass valve is prevented from influencing the operation of the valve rod, and the valve rod and the bypass valve can be conveniently and respectively operated by workers.
According to the shallow chamber structure of the directly-buried heat distribution pipeline, the upper surface of the cover plate supports the well base, the inner wall of the well base is provided with the steps, the well cover is arranged at the steps, and the well base can effectively support the cover plate through the steps;
the well lid is equipped with a plurality of through-holes, and the setting of through-hole is firstly for the shallow chamber body can deflate, and is secondly that the staff directly passes through the through-hole or passes through opening of through-hole convenience well lid with the help of the member.
In the shallow chamber structure of the directly-buried heat distribution pipeline, the cover plate is provided with the opening or the notch, and the inner diameter or the side length of the notch of the cover plate is smaller than that of the shallow chamber body in consideration of the fact that the cover plate is used for supporting the well cover.
According to the shallow chamber structure of the directly-buried heat distribution pipeline, the handle gear box is mounted at the top end of the valve rod, and a worker can conveniently control the valve through the handle gear box;
the shallow chamber structure of the directly-buried thermal pipeline is characterized in that the bypass pipe is U-shaped and is positioned at the side part of the valve rod;
the bypass valve is arranged higher than the valve rod.
According to the shallow chamber structure of the directly-buried thermal pipeline, the bypass pipe is connected with the bypass pipe conveniently, the top end of the bypass pipe in the shallow chamber body is arranged in a bent mode, the bypass valve is located at the horizontal section of the bypass pipe, and the bypass valve and the valve rod are located in the middle of the shallow chamber body and are convenient for operators to operate.
In the shallow chamber structure of the directly buried heat distribution pipeline, the distance between the top end of the valve rod and the cover plate is less than or equal to 0.7m, so that the operation of workers from the ground is facilitated.
According to the shallow chamber structure of the directly-buried thermal power pipeline, in order to utilize space and facilitate operation, the air release pipe is provided with the air release valve, the air release valve is higher than the top end of the valve rod, and the air release valve is used for releasing air of the air release pipe.
According to the shallow chamber structure of the directly-buried heat distribution pipeline, the bottom plate is provided with the water flowing holes, and once water exists in the shallow chamber, the water mainly flows out through the water flowing holes;
a sand body is filled between the bottom plate and the heat distribution pipeline, and the sand body is arranged to facilitate water leakage in the shallow chamber and reduce the probability of water accumulation;
the shallow chamber body side wall sets up baroceptor, and baroceptor is connected with the controller, and baroceptor is used for monitoring the inside atmospheric pressure size of shallow chamber body, in case atmospheric pressure is greater than the setting value, then sends the signal to the controller, and the controller reports to the police.
In addition, the utility model also provides a double-shallow-chamber structure which comprises two directly-buried heat distribution pipeline shallow-chamber structures, wherein the two directly-buried heat distribution pipeline shallow-chamber structures are respectively arranged at one of the two rows of heat distribution pipelines, and the two directly-buried heat distribution pipeline shallow-chamber structures are arranged in a staggered mode.
The beneficial effects of the utility model are as follows:
1) according to the utility model, through the arrangement of the integral structure, a large-sized valve well is not required to be arranged aiming at the heat distribution pipeline, and by opening the well cover at the shallow chamber, a worker can operate a valve rod, a bypass valve, an air release valve and the like of the heat distribution pipeline on the ground, so that the operation is very convenient, and the safety of the worker is fully ensured.
2) Through the arrangement of the integral structure, only a shallow chamber structure with a set height needs to be built, a large valve body well does not need to be arranged, and investment is saved.
3) The utility model is used for filling water to balance the water pressure in front of and behind the water inlet valve through the arrangement of the bypass valve, and is placed in a shallow chamber structure on the premise of ensuring the use safety of the heat distribution pipeline, thereby being convenient for the operation of workers.
4) According to the utility model, the valve rod is arranged lower than the bypass pipe, and the valve rod and the bypass pipe are arranged in a staggered manner, so that the valve rod and the bypass pipe can be respectively operated by workers on the premise of fully utilizing the internal space of the shallow chamber body.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
Fig. 1 is a cross-sectional view of a shallow chamber structure of a buried thermal conduit in accordance with one or more embodiments of the present invention.
Figure 2 is a cross-sectional view of a shallow chamber structure of a buried thermal conduit suitable for use in a dual-tube thermal conduit in accordance with one or more embodiments of the present invention.
Figure 3 is a top view of a shallow chamber structure of a buried thermal conduit suitable for use in a dual-tube thermal conduit according to one or more embodiments of the present invention.
Fig. 4 is a schematic illustration of a well base and cover plate in a shallow chamber construction of a buried thermal conduit according to one or more embodiments of the present invention.
In the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the schematic is shown only schematically.
Wherein: 1. the well cover comprises a well cover body, a well seat, a cover plate, a vent valve, a bypass pipe, a side wall, a bottom plate, a sand body, a thermal pipeline, a valve, a bypass valve and a valve rod, wherein the well cover body comprises 2 parts of a well seat, 3 parts of a cover plate, 4 parts of a vent valve, 5 parts of a bypass pipe, 6 parts of a side wall, 7 parts of a bottom plate, 8 parts of a sand body, 9 parts of a thermal pipeline, 10 parts of a valve, 11 parts of a bypass valve and 12 parts of a valve rod.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as described in the background of the utility model, the prior art has the problem that the valves of the thermal pipeline are usually arranged in a large valve well, and in order to solve the technical problem, the utility model provides a shallow chamber structure of a direct-buried thermal pipeline.
Example one
In a typical embodiment of the present invention, referring to fig. 1, a directly buried shallow thermal pipeline chamber structure includes a shallow chamber body, the shallow chamber body includes multiple sections of side walls 6 sequentially connected into a ring, the bottom ends of the side walls 6 are supported by a bottom plate 7, the top ends of the side walls 6 support a cover plate 3, the cover plate 3 supports a well lid 1, the bottom plate 7 is disposed higher than the thermal pipeline 9, a valve 10 mounted on the thermal pipeline 9 has a valve rod 12, the thermal pipeline 9 is further provided with bypass pipes 5, the bypass pipes 5 pass through the bottom plate 7, bypass valves are disposed between the bypass pipes 5, each bypass pipe is provided with a vent pipe, the vent pipe is provided with a vent valve, the bypass valve 11, the vent pipe 13 and the vent valve 4 are all located in the shallow chamber, and the bypass valves 11 and the valve rod 12 are arranged in a staggered manner.
Wherein, the length of bottom plate 7 is greater than the distance between the opposite both sides lateral wall, and bottom plate 7 is used for reliably supporting shallow chamber, and the bottom plate is opened has the hole of walking so that ponding flows through the hole of walking.
The shallow chamber body can be square or round; in this embodiment, the external diameter or side length of the chamber body is generally greater than or equal to 1.2 m, and the net height is 0.9-1.2 m.
It will be appreciated that typically the valve stem 12 is located at the vertical central axis of the shallow chamber body and the valve stem 12 is arranged coaxially with the vertical central axis of the well lid 1.
The top end of the valve rod 12 is provided with a handle gear box (in the prior art), and the control of a worker on the valve is facilitated through the handle gear box.
Specifically, the upper surface of a cover plate 3 supports a well seat 2, the inner wall of the well seat 2 is provided with downward steps, a well cover 1 is arranged at the steps, the well seat 2 can effectively support the cover plate 3 through the steps, the whole well seat 2 is a ring-shaped piece, and the minimum inner diameter or the inner side length of the well seat 2 is the same as the inner diameter or the side length of the cover plate; the cover plate supports the well seat, and the outer diameter of the well seat is smaller than that of the cover plate.
In other examples, referring to fig. 4, one side of the longitudinal section of the well base is L-shaped, the cover plate is located on the outer side of the L-shaped well base, the cover plate is specifically poured on the outer side of the well base in the cast-in-place process, and a transverse support ring is arranged on the other side of the well base away from the cover plate to support the well lid.
Further, well lid 1 is equipped with a plurality of through-holes, but the quantity of through-hole be one or more, and the middle part of well lid can be located to the through-hole, and the setting of through-hole is firstly for the shallow chamber body can deflate, and secondly the staff directly passes through the through-hole or passes through opening of through-hole convenience well lid with the help of the member.
It will be readily appreciated that in some examples the well lid 1 is circular in cross-section and both the well base 2 and the cover plate 3 are circular annular members.
Specifically, the cover plate 3 is a concrete cover plate; the side wall and the bottom plate of the shallow chamber body can be bricked or finished products such as cast iron and the like, or cast-in-place reinforced concrete or prefabricated reinforced concrete structures; the prefabrication mode is adopted, so that the construction cost and the engineering time can be greatly saved;
considering that the cover plate 3 is used for supporting the well lid, the cover plate 3 is provided with an opening or a notch, and the side length of the inner diameter or the notch of the opening of the cover plate is smaller than that of the inner diameter or the inner side length of the shallow chamber body.
In consideration of economic problems and convenient operation, the inner diameter or the side length of the cover plate 3 is larger than the distance between the two air release valves, so that the operation of workers is convenient.
In addition, the manhole cover 1 has a set thickness in consideration of the reliable support of the manhole cover by the cover plate 3.
Further, in the present embodiment, the bypass pipe 5 is U-shaped, and the bypass pipe 5 is located at the side of the valve rod;
the horizontal section of the bypass pipe is higher than the top end of the valve rod, and the corresponding bypass valve is higher than the valve rod.
In order to facilitate the connection of the bypass valve 11 to the bypass pipe 5, the bypass valve is located in the middle of the horizontal section of the bypass pipe, so that the bypass valve 11 and the valve rod 12 are located in the middle of the shallow chamber body and are convenient for the operation of workers.
The air release pipe can be arranged at the top of the bypass pipe, the diameter of the air release pipe is smaller than that of the bypass pipe, the air release pipe is provided with an air release valve, in order to utilize space and facilitate operation, the air release valve 4 is arranged above the top end of the valve rod 12 and is used for releasing air to the air release pipe; and a set distance is reserved between the air release valve and the cover plate.
Because the bleed valve, bypass valve all are higher than the setting of valve pole, the distance between the top of valve pole and the apron is less than or equal to 0.7m to the staff operates from ground.
Furthermore, a sand body 8 is filled between the bottom plate and the heat distribution pipeline, the sand body is a yellow sand layer, the sand body has a set thickness, and the arrangement of the sand body is further convenient for the shallow chamber structure to leak water, so that water accumulation is avoided;
the side wall of the shallow chamber body is provided with an existing air pressure sensor, the air pressure sensor is connected with the controller, the air pressure sensor is used for monitoring the air pressure inside the shallow chamber body, once the air pressure is larger than a set value, a signal is sent to the controller, and the controller gives an alarm.
Specifically, the controller is the remote control computer, the computer can be located in a room, the computer has the display screen and can show atmospheric pressure data, and the controller can be connected with the alarm, same room is located with the computer to the alarm, specifically can be buzzer light or alarm lamp, report to the police through the alarm, when producing too much steam because of ponding in shallow indoor body like this, baroceptor sends information for the controller, the controller control alarm reports to the police, so that the staff in time makes a response, reduce the probability of accident.
According to the shallow chamber structure provided by the embodiment, the valve rod of the thermal pipeline penetrates through the bottom plate and is located in the shallow chamber body, the shallow chamber body supports the well cover through the cover plate, and by opening the well cover, workers can directly operate the valve rod, the bypass valve and the air release valve in the shallow chamber body on the ground, so that the shallow chamber structure is very convenient, the workers do not need to go into the well, and the safety of the workers is fully guaranteed; the bypass valve and the valve rod are arranged in a staggered mode, the bypass valve is prevented from influencing the operation of the handle gear box, and the handle gear box and the bypass valve can be conveniently operated by workers respectively.
The construction steps of the shallow chamber structure of the directly buried heat distribution pipeline comprise the following steps:
firstly, excavating a groove for arranging a shallow chamber body, checking a base of the groove, and cleaning and leveling the groove;
installing a thermal pipeline, installing a valve and a bypass pipe at a set position of the thermal pipeline, wherein a valve rod of the valve is upward, and the top end of the valve rod is positioned in the shallow chamber body;
backfilling yellow sand on the peripheral sides of the thermal pipeline and the valve and compacting;
a bottom plate provided with a shallow chamber body;
the top end of the valve rod is provided with a handle gear box;
an air release pipe is arranged at the top of the bypass pipe, and the tail end of the air release pipe faces to a safe place;
the cover plate, the well seat and the well lid of the shallow chamber body are installed, the well lid and the road surface are arranged at the same level under the roadway, the well lid arranged under the sidewalk is 3mm higher than the road surface, and after the well lid arranged under the green belt is 5cm higher than the ground, the space between the side wall and the side wall of the foundation pit is backfilled and compacted.
Example two
The embodiment discloses a double-shallow-chamber structure, which is shown in fig. 2 and fig. 3 and includes a direct-buried thermal pipeline shallow-chamber structure in the first two embodiments, the two direct-buried thermal pipeline shallow-chamber structures are respectively installed at one of two rows of thermal pipelines, the two direct-buried thermal pipeline shallow-chamber structures are arranged in a staggered manner, and a set distance is set between the two direct-buried thermal pipeline shallow-chamber structures.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a shallow room structure of direct-burried thermodynamic pipeline, a serial communication port, including the shallow room body, the shallow room body includes that the multistage connects gradually annular lateral wall, the bottom plate is passed through to the lateral wall bottom and is supported, the apron is supported on the top of lateral wall, the apron supports the well lid, the bottom plate is higher than the thermodynamic pipeline setting, install the valve in the thermodynamic pipeline and have the valve pole, the thermodynamic pipeline still sets up the bypass pipe, the bypass pipe passes the bottom plate, set up the bypass valve between the bypass pipe, the gas release pipe is installed at the bypass pipe top, bypass valve and gas release pipe all are located the shallow room, bypass valve and valve pole dislocation arrangement.
2. The shallow chamber structure of a directly buried thermal pipeline as claimed in claim 1, wherein the upper surface of the cover plate supports the well base, the inner wall of the well base is provided with steps, and the well cover is arranged at the steps;
the well lid is equipped with a plurality of through-holes.
3. A shallow chamber structure of directly buried heat distribution pipeline as claimed in claim 1, wherein said cover plate is provided with an opening or a notch, and the inner diameter or the notch side length of the opening of the cover plate is smaller than the inner diameter or the inner side length of the shallow chamber body.
4. A shallow chamber structure of directly buried thermal pipeline as claimed in claim 1, wherein the top end of said valve rod is installed with a handle gear box.
5. The shallow-chamber structure of a directly-buried thermal pipeline as claimed in claim 1, wherein said bypass pipe is U-shaped, and is located at the side of said valve stem;
the bypass valve is arranged higher than the valve rod.
6. The shallow chamber structure of a directly buried thermal pipeline as claimed in claim 1, wherein the top end of the by-pass pipe in the shallow chamber body is bent, and the by-pass valve is located at the horizontal section of the by-pass pipe.
7. A shallow chamber structure of directly buried thermal pipeline as claimed in claim 1, wherein the distance between the top end of said valve rod and said cover plate is less than or equal to 0.7 m.
8. The shallow chamber structure of directly buried thermal pipeline as claimed in claim 1, wherein said air release pipe is installed with air release valve, which is located higher than the top end of said valve rod.
9. The shallow chamber structure of a directly buried thermal pipeline as claimed in claim 1, wherein said bottom plate is provided with water holes;
a sand body is filled between the bottom plate and the heat distribution pipeline;
and the side wall of the shallow chamber body is provided with an air pressure sensor, and the air pressure sensor is connected with the controller.
10. A double shallow chamber structure comprising two directly buried thermal pipe shallow chamber structures as claimed in any one of claims 1 to 9, each of the two directly buried thermal pipe shallow chamber structures being mounted in one of the two rows of thermal pipes, and the two directly buried thermal pipe shallow chamber structures being offset.
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CN202122960777.0U CN216521907U (en) | 2021-11-29 | 2021-11-29 | Shallow chamber structure of direct-buried heating power pipeline and double shallow chamber structure |
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CN202122960777.0U CN216521907U (en) | 2021-11-29 | 2021-11-29 | Shallow chamber structure of direct-buried heating power pipeline and double shallow chamber structure |
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