CN219139113U - Underground engineering construction heat damage treatment system - Google Patents
Underground engineering construction heat damage treatment system Download PDFInfo
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- CN219139113U CN219139113U CN202222929466.2U CN202222929466U CN219139113U CN 219139113 U CN219139113 U CN 219139113U CN 202222929466 U CN202222929466 U CN 202222929466U CN 219139113 U CN219139113 U CN 219139113U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model provides a heat damage treatment system for underground engineering construction, wherein a fresh air unit sends outside fresh air to a working surface through a pipeline, a refrigerating unit cools the outside fresh air and sends the cooled outside fresh air into a hole through an air pipe and a fresh air unit air pipe in parallel, so that the function of integral cooling and ventilation of the working surface is realized; the intelligent control unit can intelligently adjust the running state of the ventilation and refrigeration unit according to the detection value of the sensor near the working face by setting the target environmental temperature, remotely adjust, monitor and perform fault early warning at any time, the ventilation and refrigeration are integrated and intelligently adjusted, the environmental parameters are always stabilized near the target value, the real unmanned management is realized, and the system is reliable, high in intelligent degree, low in running energy consumption and simple and convenient in construction organization.
Description
Technical Field
The utility model relates to the technical field of underground engineering construction, in particular to a heat damage treatment system for underground engineering construction.
Background
In the tunnel construction process, high temperature occurs due to active regional plate structures and abundant underground heat sources, and high Wen Chongshui, surrounding rock heat dissipation, mechanical equipment heat dissipation, cement hydration heat, air compression heat, personnel heat dissipation and the like are generated, so that internal high temperature heat injury is caused.
In the existing tunnel standard system, the current improvement main measures are as follows according to the normal condition that the construction environment temperature is lower than 28 ℃: ventilation is enhanced, and fluidity is increased; cooling by ice refrigeration; a cooling room provided with an air conditioner and a dehumidifier; the working surface or a local high-temperature area is excavated, water spraying or ice water spraying cooling and the like can be realized, and the problem of partial low-temperature heat injury can be solved.
The existing cooling technology reduces the air temperature of the working face to a certain extent, but has high energy consumption, complex construction organization and high risk coefficient of personnel operation.
Disclosure of Invention
In order to solve the problems, the embodiment of the utility model provides a heat damage treatment system for underground engineering construction, which comprises a fresh air unit, a refrigerating unit and an intelligent control unit; the fresh air unit comprises a fan and a pipeline, the fan is arranged outside the tunnel hole, and the pipeline is arranged in the tunnel hole and moves forward along with construction, so that external fresh air is sent to a working surface through the pipeline; the refrigerating unit comprises a cooling water circulating device and a refrigerating device; the refrigerating device comprises a refrigerating host, air cooling equipment and boosting equipment; the cooling water circulation device is connected with the refrigerating device and is used for circularly supplying cooling water to the refrigerating device; an air inlet of the refrigerating device is arranged outside the tunnel portal, and an air outlet of the refrigerating device is communicated with a pipeline of the fresh air unit through an air pipe; the intelligent control unit comprises an environment monitoring sensor, a device operation parameter monitoring device and an intelligent control device; the environment monitoring sensor is arranged in the tunnel, the equipment operation parameter monitoring device is connected with the fresh air unit and the refrigerating unit, and the intelligent control device is used for adjusting the operation state of the fresh air unit and the refrigerating unit according to the collected data of the environment monitoring sensor and the equipment operation parameter monitoring device.
Optionally, a first one-way valve is arranged in the pipeline of the fresh air unit, and/or a second one-way valve is arranged in the air pipe of the refrigerating device.
Optionally, the first check valve is disposed upstream of an interface between an air duct of the refrigeration device and a duct of the fresh air unit.
Optionally, the pipeline of the fresh air unit is a heat preservation air pipe.
Optionally, the main refrigerator is used for refrigerating capacity, and outside air is sent into the air cooling device from the air inlet for cooling, and then is pressurized by the pressure boosting device and then is sent into the pipeline of the fresh air unit through the air pipe.
Alternatively, the refrigeration host adopts compression refrigeration, which is in the form of centrifugal, screw or vortex type.
Optionally, the fan of the fresh air unit is a variable frequency fan, and the fan is in the form of an axial flow fan or a centrifugal fan.
Optionally, the cooling water circulation device comprises a cooling tower, a circulating water pump and a circulating water pipeline;
cooling water enters the refrigerating device from the cooling tower through the circulating water pump and the circulating water pipeline, and flows back to the cooling tower through the circulating water pipeline.
Optionally, the refrigeration device operates normally in an environment temperature resistant to 60 ℃ and a humidity resistant to 100%, and/or operates normally in a circulating water condition of less than or equal to 50 ℃.
Optionally, the environment monitoring sensor is a sensor for detecting temperature and humidity and/or air quality.
According to the embodiment of the utility model, the fresh air unit sends external fresh air to the working face through the pipeline, the refrigerating unit cools the external fresh air and then sends the cooled external fresh air into the hole through the air pipe and the fresh air unit air pipe in parallel, so that the whole cooling and ventilation functions of the working face are realized; the intelligent control unit can intelligently adjust the running state of the ventilation and refrigeration unit according to the detection value of the sensor near the working face by setting the target environmental temperature, remotely adjust, monitor and perform fault early warning at any time, the ventilation and refrigeration are integrated and intelligently adjusted, the environmental parameters are always stabilized near the target value, the real unmanned management is realized, and the system is reliable, high in intelligent degree, low in running energy consumption and simple and convenient in construction organization.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a heat damage management system for underground engineering construction according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of another heat damage management system for underground construction according to an embodiment of the present utility model.
Reference numerals illustrate:
1-a fresh air fan; 2-an insulating air pipe; 3-a one-way valve; 4-a cooling tower; 5-a water supplementing port of the cooling tower; 6-a circulating water pump; 7. 9-a circulating water pipe; 8-a refrigerating fan; 10-air cooling equipment; 11-an air outlet; 12-an air inlet; 13-an air pipe; 14-an environmental monitoring sensor; 15-an intelligent control system; 1-3 are fresh air units; 4-13 are refrigeration units; 14-15 are intelligent control units
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The existing cooling technology reduces the air temperature of the working face to a certain extent, but has high energy consumption, complex construction organization and high risk coefficient of personnel operation. Aiming at the heat damage treatment of a long and large tunnel, an intelligent heat damage treatment system with low requirements on ventilation and cooling equipment, low energy consumption and no humanization is needed.
The embodiment of the utility model provides a heat damage treatment system for underground engineering construction, which comprises a fresh air unit, a refrigeration unit and an intelligent control unit.
Wherein, above-mentioned new trend unit includes fan and pipeline, and the fan sets up outside the tunnel hole, and the pipeline sets up in the tunnel hole and takes over the removal forward along with the construction for send the working face with external fresh air through the pipeline. Optionally, the pipeline of the fresh air unit is a heat preservation air pipe, so that energy sources can be saved, and heat loss can be reduced.
The refrigerating unit comprises a cooling water circulating device and a refrigerating device; the refrigerating device comprises a refrigerating host, air cooling equipment and boosting equipment; the cooling water circulation device is connected to the refrigerating device and is used for circularly supplying cooling water to the refrigerating device. The air inlet of the refrigerating device is arranged outside the tunnel portal, and the air outlet is communicated with the pipeline of the fresh air unit through an air pipe. The main refrigerating machine is used for refrigerating capacity, and outside air is sent into the air cooling equipment from the air inlet for cooling, and then is pressurized by the pressure boosting equipment and then is sent into the pipeline of the fresh air unit through the air pipe.
The refrigerating unit is arranged outside the hole, the outside fresh air is cooled and is fed into the hole in parallel through the air pipe and the air pipe of the fresh air unit, the functions of refrigeration and ventilation are realized, the air pipe is arranged in the hole, the air pipe is connected with the forward pipe along with the construction progress and moves, and the fresh air is mixed with the cold air and is continuously fed into the working surface. A part of hot air slowly discharges the heat of the working surface to the external environment of the hole due to the pressure difference between the inside and the outside of the hole; and a part of hot air exchanges heat with cold air, so that the aim of integrally cooling the working surface is fulfilled.
In consideration of preventing reverse flow of wind direction, a first one-way valve is arranged in the pipeline of the fresh air unit and/or a second one-way valve is arranged in the air pipe of the refrigerating device. Optionally, the first one-way valve is disposed upstream of an interface between the air duct of the refrigeration device and the duct of the fresh air unit, so that cold air entering from the refrigeration unit cannot pass through the first one-way valve, but flows in the direction of the working surface. Based on the one-way valve, turbulent flow of the air pipe system can be stopped.
The intelligent control unit comprises an environment monitoring sensor, a device operation parameter monitoring device and an intelligent control device. The environment monitoring sensor is arranged in the tunnel, the equipment operation parameter monitoring device and the intelligent control device are connected with the fresh air unit and the refrigeration unit, and the intelligent control device is used for adjusting the operation states of the fresh air unit and the refrigeration unit according to the collected data of the environment monitoring sensor and the equipment operation parameter monitoring device.
The sensor is arranged near the working surface in the hole, and can detect the temperature and the humidity and/or the air quality for the sensor for detecting the temperature and the humidity and/or the air quality. For example, the device operating parameter monitoring module, the intelligent control module may be integrated in the electronic control of the fan or the refrigeration apparatus.
The equipment of the fresh air unit and the refrigeration unit are digital equipment and are interlocked with the environment monitoring sensor. By setting the target environment temperature, the running state of the ventilation and refrigeration system is intelligently adjusted according to the detection value of the sensor near the working surface, so that unattended operation is realized.
According to the underground engineering construction heat damage treatment system provided by the embodiment of the utility model, the fresh air unit sends outside fresh air to the working surface through the pipeline, the refrigerating unit cools the outside fresh air and then sends the cooled outside fresh air into the hole through the air pipe and the fresh air unit air pipe in parallel, so that the function of integral cooling and ventilation of the working surface is realized; the intelligent control unit can intelligently adjust the running state of the ventilation and refrigeration unit according to the detection value of the sensor near the working face by setting the target environmental temperature, remotely adjust, monitor and perform fault early warning at any time, the ventilation and refrigeration are integrated and intelligently adjusted, the environmental parameters are always stabilized near the target value, the real unmanned management is realized, and the system is reliable, high in intelligent degree, low in running energy consumption and simple and convenient in construction organization.
Fig. 1 shows a schematic diagram of a heat damage management system for underground engineering construction, which is provided by the embodiment of the utility model, and comprises a fresh air unit, a refrigeration unit and an intelligent control unit. The fresh air unit and the refrigeration unit are both digital equipment.
The fresh air unit comprises a fresh air fan 1, a heat preservation air pipe 2 and a one-way valve 3, wherein the fresh air fan 1 sends outside fresh air to a working face through the heat preservation air pipe 2 to provide fresh air.
The fresh air fan 1 of the fresh air unit is a variable frequency fan, is placed outside a hole, and is in the form of an axial flow fan or a centrifugal fan.
The heat-insulating air pipe 2 is arranged along the construction hole and is communicated with the working surface, and can be a heat-insulating air pipe, a hard pipeline or a soft air cylinder.
The refrigerating unit comprises a cooling tower 4, a water supplementing port 5 of the cooling tower and a circulating water pump 6; the air conditioner comprises circulating water pipes 7 and 9, a refrigerating fan 8, air cooling equipment 10, an air outlet 11, an air inlet 12 and an air pipe 13.
The refrigerating unit is arranged outside the hole, the whole skid-mounted unit is used for cooling the outside fresh air and sending the cooled outside fresh air into the hole through the air pipe 13 and the air pipe 2 in parallel, so that the functions of refrigeration and ventilation are realized, the air pipe is arranged in the hole, the air pipe is connected with the forward pipe for moving along with the construction progress, and the fresh air is mixed with the cold air and is continuously sent to the working surface. Alternatively, the refrigeration unit can be moved in a + -15 deg. ramp.
The circulating water pump 6 can be a variable-frequency water pump, can be a single water pump or can be a plurality of water pumps which are arranged in series. The refrigerating capacity of the refrigerating main machine in the refrigerating device is obtained by refrigerating the air entering from the air inlet, the air is cooled in the air cooling equipment, and the air is pressurized by the pressure boosting equipment and is sent to the working surface in the hole through the air outlet connecting air pipe. The main refrigerating machine adopts compression refrigeration, and the form of the main refrigerating machine is centrifugal, screw or vortex type.
The circulating water flow is as follows: cooling tower 4, circulating water pump 6, circulating water pipeline 7, refrigerating fan 8, circulating water pipeline 9 and cooling tower 4, and the heat of working face is returned to 4 cooling towers through 9 circulating water pipelines by circulating water, and the heat is released in the air. And 4, supplementing the evaporation loss of the circulating water by the cooling tower through a water supplementing port of the cooling tower 5.
And the external air is sent into 10-air cooling equipment by an 8 refrigerating fan in the refrigerating unit, and the fresh air and cold air which are sent from a 1 fresh air fan into a tee joint arranged on a pipeline and are merged into a 2 pipeline are sent into a working surface for cooling by an air pipe. The air passing through the one-way valve 3 can not be reversely converged, and the turbulent flow of the air pipe system can be stopped.
The intelligent control unit comprises a sensor 14, a device operation parameter monitoring device, an intelligent control device, a management cloud platform and the like. The fresh air fan 1, the cooling tower 4, the circulating water pump 6 and the refrigerating fan 8 are all digital equipment and are interlocked with the sensor 14. The sensor 14 is disposed near the working surface in the hole to detect temperature and humidity, air quality such as oxygen concentration, dust, CO concentration, TVOC, etc. in real time.
The target value is set manually or according to the standard specified value, the fresh air fan 1 delivers sufficient fresh air and overflowed waste gas to the working surface in the hole according to the air quality detected by the sensor 14 near the working surface, so as to ensure the air quality. The sensor 14 detects the temperature and humidity near the working surface, adjusts the load of the fresh air fan 1, and then adjusts the running states of the refrigerating fan 8, the air cooling device 10 and the circulating water pump 6 in a linkage manner. Comprehensive measures reach the set target or standard specified value, and unattended operation is realized.
The equipment operation parameter monitoring device and the intelligent control device are integrated in an electric control cabinet of the fan or the refrigerating device. The setting of the target environment parameters can be realized through a cloud platform, and can be a mobile phone end and a computer end. The fan is adjusted by taking the environment in the hole as a reference, so that sufficient fresh air in the hole is ensured. The refrigeration unit may be operated with an adjustment to achieve a target value based on the set target ambient temperature.
The refrigeration device, optionally, can operate normally in an environment temperature of 60 ℃ and a humidity of 100%.
The refrigerating device can be operated normally under the condition of circulating water at the temperature of less than or equal to 50 ℃ optionally.
The beneficial effects of the utility model include: (1) The refrigerating mode of fresh air and cold air fed into the cavity is adopted, and the temperature of the outside air is lower than that in the cavity, so that the temperature in the cavity can be reduced in a small range, and the energy is saved compared with the direct feeding of cold air; (2) The fresh air unit and the refrigeration unit are frequency conversion equipment, and parameters can be automatically adjusted according to the environmental conditions of the working face, so that energy conservation and consumption reduction are facilitated; (3) The fresh air unit and the refrigeration unit are digital equipment, and can be remotely adjusted, monitored and fault pre-warned at any time; (4) The ventilation and refrigeration integrated intelligent adjustment is realized, the environmental parameters are always stabilized near the target values, and the real unmanned management is realized.
The embodiment of the utility model can evolve into another ventilation and refrigeration mode according to the outside temperature. When the external environment temperature is higher than the temperature in the hole or the external environment temperature is close to the temperature in the hole, the fresh air fan 1 can be canceled, and the capacity of the refrigerating fan 8 is increased to replace the function of the fresh air fan 1; meanwhile, the heat-preservation air pipe 2 is diverted to directly supply air to the hole for refrigeration, so that the influence of the external high-temperature environment on the temperature in the hole can be greatly reduced, and energy conservation and emission reduction are realized.
FIG. 2 is a schematic diagram of another heat damage management system for underground engineering construction according to an embodiment of the present utility model, in which the fresh air unit in FIG. 1 is eliminated, and the refrigeration unit supplies air to the working surface alone.
Of course, it will be appreciated by those skilled in the art that implementing all or part of the procedures in the above embodiments may be implemented by a computer level to instruct a control device, where the program may be stored in a computer readable storage medium, and the program may include the procedures in the above embodiments when executed, where the storage medium may be a memory, a magnetic disk, an optical disk, or the like.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The underground engineering construction heat damage treatment system is characterized by comprising a fresh air unit, a refrigeration unit and an intelligent control unit;
the fresh air unit comprises a fan and a pipeline, the fan is arranged outside the tunnel hole, and the pipeline is arranged in the tunnel hole and moves forward along with construction, so that external fresh air is sent to a working surface through the pipeline;
the refrigerating unit comprises a cooling water circulating device and a refrigerating device; the refrigerating device comprises a refrigerating host, air cooling equipment and boosting equipment; the cooling water circulation device is connected with the refrigerating device and is used for circularly supplying cooling water to the refrigerating device;
an air inlet of the refrigerating device is arranged outside the tunnel portal, and an air outlet of the refrigerating device is communicated with a pipeline of the fresh air unit through an air pipe;
the intelligent control unit comprises an environment monitoring sensor, a device operation parameter monitoring device and an intelligent control device; the environment monitoring sensor is arranged in the tunnel, the equipment operation parameter monitoring device is connected with the fresh air unit and the refrigerating unit, and the intelligent control device is used for adjusting the operation state of the fresh air unit and the refrigerating unit according to the collected data of the environment monitoring sensor and the equipment operation parameter monitoring device.
2. The underground works construction thermal damage management system of claim 1, wherein a first one-way valve is arranged in the pipeline of the fresh air unit, and/or a second one-way valve is arranged in the air pipe of the refrigerating device.
3. The underground works construction thermal damage management system of claim 2, wherein the first one-way valve is disposed upstream of an interface of the air duct of the refrigeration device and the duct of the fresh air unit.
4. The underground works construction thermal damage management system of claim 1, wherein the pipeline of the fresh air unit is a heat preservation air pipe.
5. The underground works construction thermal damage management system of claim 1, wherein the refrigeration main machine is used for refrigerating capacity, and outside air is sent into the air cooling device from the air inlet for cooling, and then is pressurized by the pressure increasing device and then sent into the pipeline of the fresh air unit through the air pipe.
6. The underground works construction thermal damage management system of claim 1, wherein the refrigeration host adopts compression refrigeration in the form of centrifugal, screw or vortex.
7. The underground works construction thermal damage management system of claim 1, wherein the fan of the fresh air unit is a variable frequency fan in the form of an axial flow fan or a centrifugal fan.
8. The underground works construction heat damage management system of claim 1, wherein the cooling water circulation device comprises a cooling tower, a circulating water pump and a circulating water pipe;
cooling water enters the refrigerating device from the cooling tower through the circulating water pump and the circulating water pipeline, and flows back to the cooling tower through the circulating water pipeline.
9. The underground works construction heat damage management system according to claim 2, wherein the refrigerating device normally operates in an environment temperature resistant to 60 ℃ and a humidity resistant to 100%, and/or normally operates in a circulating water condition of 50 ℃ or less.
10. The underground works construction thermal damage management system of claim 1, wherein the environmental monitoring sensor is a sensor that detects temperature, humidity and/or air quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222929466.2U CN219139113U (en) | 2022-11-01 | 2022-11-01 | Underground engineering construction heat damage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222929466.2U CN219139113U (en) | 2022-11-01 | 2022-11-01 | Underground engineering construction heat damage treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN219139113U true CN219139113U (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222929466.2U Active CN219139113U (en) | 2022-11-01 | 2022-11-01 | Underground engineering construction heat damage treatment system |
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| CN (1) | CN219139113U (en) |
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- 2022-11-01 CN CN202222929466.2U patent/CN219139113U/en active Active
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