CN219810005U - Detachable valve well ventilation device - Google Patents
Detachable valve well ventilation device Download PDFInfo
- Publication number
- CN219810005U CN219810005U CN202223546076.3U CN202223546076U CN219810005U CN 219810005 U CN219810005 U CN 219810005U CN 202223546076 U CN202223546076 U CN 202223546076U CN 219810005 U CN219810005 U CN 219810005U
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- valve well
- fan
- ventilation
- frame
- well
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- 238000009423 ventilation Methods 0.000 title claims abstract description 83
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 206010021143 Hypoxia Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The utility model relates to a detachable valve well ventilation device, which comprises a ventilation pipe, the bottom end of the vertical fixed well head edge is extended into the valve well; the fan frame is arranged on the wellhead of the valve well; the fan is arranged on the fan frame and is positioned above the wellhead of the valve well, the air outlet of the air pipe is detachably connected with the pipe orifice at the top end of the ventilation pipe; the rain cover is fixedly arranged on the fan frame and positioned above the fan to shield the wellhead of the valve well. The fan can ventilate the valve well at any time or at regular time, has good ventilation effect and high ventilation efficiency, can effectively reduce the humidity in the valve well, and ensures that the humidity in the valve well is always kept at a lower level, thereby reducing the rust degree of equipment in the valve well, prolonging the service life of the equipment and reducing the maintenance cost. The utility model has the advantages of high ventilation speed and short time, does not need to spend a great deal of time for underground ventilation before the operation in the well, can effectively save the whole working time of the valve well operation and improve the working efficiency.
Description
Technical Field
The utility model relates to a ventilation device, in particular to a detachable valve well ventilation device.
Background
The valve well is an important underground building for water delivery engineering, a plurality of important electric valves, manual valves, pipelines and related equipment are arranged in the valve well, the depth of the valve well is usually 3-28 m, no vent holes exist, and in the engineering water delivery operation, the equipment in the valve well needs to be periodically inspected, maintained and operated, wherein the operation problems and the safety problems are particularly prominent. The operation problem is mainly that the equipment corrosion speed is high because the depth and the humidity of the valve well are large; the safety problem is mainly that because the space in the valve well is limited, under the condition of poor ventilation, potential safety hazards such as oxygen deficiency exist when workers enter the valve well for operation. Traditional valve well ventilation mode is mainly that the well lid is opened and ventilation is carried out, and this kind of ventilation mode has restricted the ventilation time of valve well, if open the well lid for a long time and ventilate, influences traffic, still has pedestrian or vehicle to drop the risk of well. The well lid is opened for short-time ventilation before workers need to enter the valve well for operation, the underground air quality cannot be guaranteed due to the short ventilation time, potential safety hazards exist in underground operation, the overall working time of the valve well operation is increased, and the underground ventilation time is often longer than the time for workers to enter the well for inspection, maintenance and operation.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the detachable valve well ventilation device which can ventilate the well space of the valve well at any time or at regular time, has good ventilation effect and high efficiency, is convenient to disassemble and assemble, and does not influence the personnel to enter the well for operation.
The technical scheme for achieving the aim of the utility model is as follows: a removable valve well ventilation device comprising:
the vent pipe is vertically and fixedly arranged at the edge of a wellhead of the valve well, and the bottom end of the vent pipe extends into the valve well;
the fan frame is arranged on the wellhead of the valve well;
the fan is arranged on the fan frame and is positioned above the wellhead of the valve well, and an air outlet of the fan is detachably connected with a top end pipe orifice of the ventilation pipe;
and, a step of, in the first embodiment,
the rain cover is fixedly arranged on the fan frame and positioned above the fan to shield the wellhead of the valve well.
Preferably, the detachable connection mode of the air outlet of the fan and the top pipe orifice of the ventilation pipe is splicing, clamp connection or sleeving through a hose.
Preferably, the rain-proof cover is conical or frustum-shaped and is fixedly connected to the fan frame through a bracket.
Preferably, the detachable valve well ventilation device further comprises an annular rain-proof plate, the rain-proof plate is vertically located below the rain-proof cover, the bottom end of the rain-proof plate is fixedly connected to the ground around the wellhead of the valve well, a distance is reserved between the top end of the rain-proof plate and the rain-proof cover, and the outer edge of the rain-proof cover is located on the outer side of the rain-proof plate.
Preferably, a bottom pipe orifice of the ventilation pipe is connected with a ventilator.
Preferably, the ventilation pipe is a bent pipe and comprises a vertical section vertically extending into the valve well and a horizontal section positioned above the wellhead.
Preferably, the air outlet of the fan is coaxial with the horizontal section of the ventilation pipe.
The blower may be slidably coupled to the top surface of the blower frame.
Preferably, a temperature and humidity sensor is arranged in the valve well, and the signal output of the temperature and humidity sensor is connected with the control end of the fan.
Preferably, the fan is a ventilator or a hot air blower.
Preferably, a frame erection foundation is arranged around the wellhead of the valve well, and the fan frame is arranged on the frame erection foundation.
Further, the fan frame is provided with an annular frame base, the outer edge of the fan frame is fixedly connected to the frame base, the frame base is arranged on the frame building foundation, or a groove which is conformal with the outer edge of the fan frame is formed in the top surface of the frame building foundation, and the outer edge of the fan frame is inserted into the groove from top to bottom.
Preferably, the detachable valve well ventilation device further comprises a control box, a fan power supply is arranged in the control box, and the fan is provided with a quick plug for connecting the fan power supply.
A display for displaying the temperature and humidity in the valve well can be arranged in the control box.
The beneficial effects of the utility model are as follows:
(1) Due to the arrangement of the fan, the indoor space of the valve well can be ventilated at any time or at regular time according to the actual condition of the indoor humidity of the valve well, the ventilation effect is good, the ventilation efficiency is high, the indoor humidity of the valve well can be effectively reduced, the indoor humidity of the valve well is always kept at a lower level, the rust degree of equipment (including pipelines, valves and the like) in the valve well is reduced, the service life of the equipment is prolonged, and the maintenance cost is reduced;
(2) Because the fan is adopted to ventilate the space in the valve well, compared with the traditional valve well ventilation mode, the ventilation speed is high, the time is short, a great amount of time is not required to be spent for underground ventilation before workers enter the valve well each time, the whole working time of the valve well operation can be effectively saved, the working efficiency is improved, the ventilation efficiency is high, the ventilation effect is good, the air quality in the valve well can be ensured, and the safety problems of hypoxia and the like in the underground operation are avoided;
(3) Because the fan and the ventilation pipe are in a detachable connection mode, the wellhead of the valve well can be leaked by only detaching the detachable connection between the fan and the ventilation pipe and then moving the rain cover, the fan and the fan frame integrally, and the operation of workers in the well is not influenced;
(4) The rain cover can prevent rainwater from falling into the valve well, so that water accumulation in the well is avoided, and the humidity in the well is reduced;
(5) The setting of flashing can both prevent that rainwater from drifting into the valve well along with wind from the side direction of well head, can stop the surface runoff inflow valve well in again, avoid well internal ponding, reduce well internal humidity.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
Referring to fig. 1, the utility model discloses a detachable valve well ventilation device, which comprises a ventilation pipe 1, a fan frame 2, a fan 3 and a rain cover 4, wherein the ventilation pipe is vertically and fixedly arranged at the edge of a wellhead 5 of a valve well, can be fixedly connected to the inner wall of the wellhead, the bottom end of the ventilation pipe stretches into the valve well, the top end of the ventilation pipe is positioned outside the wellhead of the valve well (above the wellhead) and is used for ventilating an intra-well space of the valve well, the fan frame is arranged on the wellhead of the valve well and is used for supporting the fan and the rain cover, the fan frame can be formed by intersecting and fixedly connecting steel pipes, the support strength can be ensured, the interval or the gap between the steel pipes can be used as a ventilation (ventilation) channel, the fan is arranged on the fan frame and is positioned above the wellhead of the valve well, the air outlet of the fan is detachably connected with the top end pipe orifice of the ventilation pipe, and the rain cover is fixedly arranged on the fan frame and is positioned above the fan and is used for shielding the wellhead of the valve well, so that rainwater or sundries are prevented from falling into the valve well.
In order to facilitate connection between the fan and the ventilation pipe, an air outlet of the fan can be connected with a horizontal air outlet pipe, the ventilation pipe can be a bent pipe, the bent pipe comprises a vertical section vertically extending into a valve well and a horizontal section positioned above a wellhead, a port of the horizontal section is a top pipe orifice of the ventilation pipe, and the horizontal section is coaxial with the air outlet pipe.
The detachable connection mode between the air outlet (the port of the air outlet pipe) of the fan and the top pipe orifice (the port of the horizontal section) of the ventilation pipe can be plug-in connection, clamp connection or sleeve connection through a hose. When the plugging mode is adopted, the outer diameter of the air outlet pipe is matched with the inner diameter of the horizontal section (the outer diameter of the air outlet pipe is slightly smaller than the inner diameter of the horizontal section, a plugging fit clearance is reserved), a sealing ring is fixedly arranged on the outer wall of the air outlet pipe or the inner wall of the horizontal section, and when the fan and the ventilation pipe are required to be connected, the air outlet pipe is inserted into the horizontal section; when the clamp connection mode is adopted, the outer diameter of the air outlet pipe can be the same as the outer diameter of the horizontal section, when the fan and the ventilation pipe are required to be connected, the air outlet pipe is coaxially connected with the horizontal section in a butt joint mode, then the air outlet pipe and the horizontal section are connected through the clamp, a groove matched with the clamp can be formed in the butt joint end of the air outlet pipe and the horizontal section, and sealing gaskets can be arranged on the inner walls of two half hoops of the clamp; when the mode of sleeving the hose is adopted, the hose is fixedly sleeved on one of the air outlet pipe and the horizontal section, and when the fan and the ventilation pipe are required to be connected, the other one of the air outlet pipe and the horizontal section is inserted into the other end of the hose. The detachable connection mode between the air outlet of the fan and the top pipe orifice of the ventilation pipe can also be any detachable connection mode suitable for pipe-to-pipe connection in the prior art.
The fan is preferably slidably connected to the top surface of the fan frame, and the sliding direction is the same as the axial direction of the air outlet pipe (or the air outlet), so that connection and disconnection between the fan and the ventilation pipe can be smoothly achieved, and particularly when a plugging or clamping connection mode is adopted between the fan and the ventilation pipe, the sliding of the fan on the fan frame is particularly necessary. The fan frame can be realized by fixedly arranging a fan mounting seat on the top surface of the fan frame and arranging a matched sliding block and a sliding groove between the fan and the fan mounting seat.
The rain-proof cover can be conical, frustum-shaped or round, preferably conical or frustum-shaped, so that rainwater falling onto the rain-proof cover can flow down along an inclined plane to avoid water accumulation. The rain-proof cover is in through support fixed connection on the fan frame, the support can be vertical branch, and top fixed connection is in on the bottom surface of rain-proof cover, bottom fixed connection is in on the fan frame, the quantity of branch is a plurality of, along same circumference evenly distributed, in order to guarantee to the steady rest of rain-proof cover. The spacing between adjacent struts serves as ventilation channels.
The detachable valve well ventilation device preferably further comprises an annular rain-proof plate 6, wherein the rain-proof plate is vertically arranged below the rain-proof cover, the bottom end of the rain-proof plate is fixedly connected to the ground around the wellhead of the valve well (the wellhead of the valve well, the fan frame and the fan are arranged in the rain-proof plate), a space is reserved between the top end of the valve well and the rain-proof cover, the outer edge of the rain-proof cover is arranged on the outer side of the rain-proof plate, and rainwater flowing down from the rain-proof cover is prevented from falling into the rain-proof plate. The setting of flashing can both prevent that the rainwater from drifting into the valve well along with the wind from the side direction of well head, can stop in the surface runoff inflow valve well again, can also prevent that ground debris from falling into the valve well, the flashing with interval between the rain-proof cover is as ventilation channel.
The bottom pipe orifice of the ventilation pipe is preferably connected with a ventilator (or a ventilation cap) 7, so that wind which is introduced into the valve well through the ventilation pipe can be uniformly blown out along the circumferential direction of the bottom end of the ventilation pipe, ventilation of all parts in the valve well is uniform, and local humidity is prevented from being overlarge due to unsmooth ventilation in a part in the valve well. The bottom end of the ventilation pipe can be connected with any other device suitable for circumferentially uniformly distributing air flow in the prior art, for example, a spherical or cube-shaped air flow uniformly distributing device made of an air flow uniformly distributing plate (punching plate).
The temperature and humidity sensor is preferably arranged in the valve well, the signal output of the temperature and humidity sensor is connected with the control end of the fan, the temperature and the humidity in the valve well can be monitored in real time, the fan can be controlled to start and stop according to the humidity in the valve well, the internal space of the valve well is ventilated, the humidity in the valve well is always maintained in a set range, and the temperature and humidity sensor can be arranged on a well wall in the valve well and can also be arranged on the outer wall of a ventilation pipe in the valve well.
The fan can be a ventilator or a hot air blower (industrial hot air blower) according to the operation condition requirements of equipment in the valve well and the temperature change condition of seasons.
A frame erection foundation 8 can be arranged around the wellhead of the valve well, the fan frame is arranged on the frame erection foundation, and the top surface of the frame erection foundation is preferably a plane. The arrangement is convenient for the fan frame to be erected on the wellhead of the valve well, and the situation that the fan frame is not firmly erected due to uneven ground around the wellhead of the valve well can be avoided.
In order to facilitate the erection of the fan frame on the frame erection basis and improve the stability of the fan frame after the fan frame is erected on the frame erection basis, the fan frame can be provided with an annular frame base 9, the outer edge of the fan frame is fixedly connected to the frame base, the bottom surface of the frame base is a plane, the frame base is arranged on the frame erection basis, and the top surface of the frame erection basis is provided with or not provided with a groove suitable for embedding the frame base; or the top surface of the frame erection foundation is provided with a groove which is conformal with the outer edge of the fan frame, and the outer edge of the fan frame is inserted into the groove from top to bottom.
The detachable valve well ventilation device can further comprise a control box, the control box can be arranged on the ground outside the rain-proof plate and can also be fixedly connected with the outer wall of the rain-proof plate, a fan power supply is arranged in the control box, the fan is provided with a quick plug used for connecting the fan power supply, and when the rain-proof cover, the fan and the fan frame form a whole, the fan is required to be moved from the wellhead of the valve well (when workers need to enter the valve well for operation), the fan is required to be detachably connected with the ventilation pipe and the quick plug of the fan is required to be pulled out from the fan power supply. The fan power supply can be one or more of commercial power, solar power or storage batteries, and when the fan power supply is more than one, the automatic power switching device can be arranged in the control box according to the prior art. A display for displaying the temperature and humidity in the valve well can be arranged in the control box.
The control box can be internally provided with a controller for realizing remote control and timing control of the start and stop of the fan, and the controller can be set according to a mature control technology in the prior art. Because a water delivery project generally comprises a plurality of valve wells, a common upper computer can be arranged for controllers in control boxes of the valve wells, and the upper computer is in wireless two-way communication with each controller, so that the temperature and the humidity in each valve well can be monitored and summarized, and the fans of each valve well can be remotely controlled. The controllers in the control boxes of the valve wells can be provided with independent upper computers, and can also be connected into the existing valve in the valve well, pipeline and related equipment control systems of the water delivery engineering for unified control.
The preferred and optional technical means disclosed in the utility model may be combined arbitrarily to form a plurality of different technical schemes, except for the specific description and the further limitation that one preferred or optional technical means is another technical means.
Claims (10)
1. Detachable valve well ventilation unit, its characterized in that includes:
the vent pipe is vertically and fixedly arranged at the edge of a wellhead of the valve well, and the bottom end of the vent pipe extends into the valve well;
the fan frame is arranged on the wellhead of the valve well;
the fan is arranged on the fan frame and is positioned above the wellhead of the valve well, and an air outlet of the fan is detachably connected with a top end pipe orifice of the ventilation pipe;
and, a step of, in the first embodiment,
a rain cover fixedly arranged on the fan frame and positioned above the fan to shield the wellhead of the valve well,
still include annular flashing, the flashing is vertical to be located the below of rain-proof cover, its bottom fixed connection is subaerial around the well head of valve well, the top with leave the interval between the rain-proof cover.
2. The detachable valve well ventilation device of claim 1, wherein the detachable connection mode of the air outlet of the fan and the top pipe orifice of the ventilation pipe is plug-in connection, clamp connection or sleeve connection through a hose.
3. The removable valve well ventilation device of claim 1, wherein the rain shield is tapered or frustoconical and fixedly attached to the fan frame by a bracket.
4. The removable valve well ventilation unit of claim 1, wherein an outer edge of the rain shield is positioned outside of the flashing.
5. The removable valve well ventilation apparatus of claim 1, wherein a bottom nozzle of the ventilation tube is connected to a ventilator.
6. The removable valve well ventilation device of claim 1, wherein the ventilation tube is a bent tube comprising a vertical section extending vertically into the valve well and a horizontal section located above the wellhead.
7. The detachable valve well ventilation device of claim 1, wherein a temperature and humidity sensor is arranged in the valve well, and a signal output of the temperature and humidity sensor is connected to a control end of the fan.
8. The removable valve well ventilation apparatus of claim 1, wherein the fan is a ventilator or a hot air fan.
9. The removable valve well ventilation apparatus of claim 1, wherein a frame erection foundation is provided around a wellhead of the valve well, the fan frame being erected on the frame erection foundation.
10. The detachable valve well ventilation device of claim 9, wherein the fan frame is provided with an annular frame base, the outer edge of the fan frame is fixedly connected to the frame base, the frame base is arranged on the frame erection foundation, or a groove which is conformal with the outer edge of the fan frame is arranged on the top surface of the frame erection foundation, and the outer edge of the fan frame is inserted into the groove from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223546076.3U CN219810005U (en) | 2022-12-30 | 2022-12-30 | Detachable valve well ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223546076.3U CN219810005U (en) | 2022-12-30 | 2022-12-30 | Detachable valve well ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219810005U true CN219810005U (en) | 2023-10-10 |
Family
ID=88217353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223546076.3U Active CN219810005U (en) | 2022-12-30 | 2022-12-30 | Detachable valve well ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219810005U (en) |
-
2022
- 2022-12-30 CN CN202223546076.3U patent/CN219810005U/en active Active
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