CN109209466A - A kind of shield tunnel construction cooling device and cool-down method - Google Patents
A kind of shield tunnel construction cooling device and cool-down method Download PDFInfo
- Publication number
- CN109209466A CN109209466A CN201811377722.3A CN201811377722A CN109209466A CN 109209466 A CN109209466 A CN 109209466A CN 201811377722 A CN201811377722 A CN 201811377722A CN 109209466 A CN109209466 A CN 109209466A
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- cooling
- shield
- refrigeration system
- tunnel
- water
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F3/00—Cooling or drying of air
Abstract
The invention discloses a kind of shield tunnel construction cooling device and cool-down method, cooling device therein includes refrigeration system and air cooling system in tunnel, and the shield circulation outside tunnel；The refrigeration system is connected with air cooling system, for providing cold source for air cooling system；The natural wind that the air cooling system and ground are sent into carry out it is cold and hot exchange, for being cooled down to natural wind；The shield circulation is connected with refrigeration system, for carrying out radiating and cooling to refrigeration system.After the present invention carries out cooling heat processing to the natural wind being sent into tunnel by using the cooling device, improve construction worker's working environment in shield tunnel, it has ensured construction personnel's safety, can also be obviously improved worker's enthusiasm for production, be conducive to improve construction production efficiency.
Description
Technical field
The present invention relates to shield tunnel construction field, in particular to a kind of shield tunnel construction cooling device and cooling side
Method.
Background technique
Now with quickly propelling for China's urbanization, Urban Rail Transit Development is swift and violent, and subway construction is like a raging fire.Shield
Structure machine is the large-scale construction equipment in constructing metro tunnel, and complete machine power is big, and heat source is more, can be generated in the construction process a large amount of
Heat causes shield-tunneling construction regional temperature to be up to 40 DEG C.
Mainly tunnel blower is arranged in well head in country's shield tunnel construction cooling method at present, installs wind in tunnel top
Pipe, natural wind is sent to No. 6 trolleys of shield machine, and the shield blower on No. 5 trolleys of shield machine is recycled to send wind to connecting bridge
Etc. main artificial construction region；But in summer, natural wind inherently at 30 DEG C or more, is directly sent to tunnel by outdoor temperature
The interior effect for not having cooling at all, simultaneously because Suporting structure is bulky, so that wind can not recycle in tunnel, feeling of oppression and heat
It is more serious.
Summary of the invention
Present invention aims at: in shield tunnel construction, people in tunnel is fed directly to using by natural wind at present
The mode that work construction area cools down can have in tunnel that temperature is higher, and the serious problem of feeling of oppression and heat provides a kind of shield tunnel
Construction cooling device in road improves construction worker's work by carrying out cooling heat processing to the wind being sent into tunnel
Environment has ensured construction personnel's safety, can also be obviously improved worker's enthusiasm for production, improves construction production efficiency.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of shield tunnel construction cooling device, including the refrigeration system being set in tunnel and air cooling system, and
Shield circulation outside tunnel；The refrigeration system is connected with air cooling system, for being air cooling system
Cold source is provided；The natural wind that the air cooling system and ground are sent into carry out it is cold and hot exchange, for being cooled down to natural wind
Cooling；The shield circulation is connected with refrigeration system, for carrying out radiating and cooling to refrigeration system.
The present invention provides cold source by the way that refrigeration system is arranged in tunnel for air cooling system, and utilizes air cooling system
The natural wind progress that system is sent into ground is cold and hot to be exchanged, and achievees the purpose that cool down natural wind, while passing through shield
Circulation carries out radiating and cooling to refrigeration system, to guarantee that the equipment of refrigeration system operates normally, by using the device
After carrying out cooling heat processing to the natural wind being sent into tunnel, construction worker's working environment is improved, has ensured construction
Personnel safety can also be obviously improved worker's enthusiasm for production, improve construction production efficiency.
As a preferred solution of the present invention, the refrigeration system include condenser, filter, heating power expansion valve, evaporator,
Compressor and refrigerant；The condenser is used to refrigerant being transformed into liquid by gaseous state；The filter is used for through being subcooled
Liquid refrigerant after solidifying is filtered；The heating power expansion valve is for carrying out temperature adjusting；The evaporator is used for liquid
Refrigerant carries out liquid to gaseous transformation；The compressor is used to carry out compressed action to the refrigerant gas after evaporation to be formed
Higher pressure refrigerant gas.
As a preferred solution of the present invention, the refrigerant is freon.
As a preferred solution of the present invention, the air cooling system includes air cooler, insulated water tank, water pump and interior circulation
Water；For receiving storage through refrigeration system interior recirculated water after cooling, the water pump is used for insulated water tank the insulated water tank
In internal circulation water pump send into air cooler, the return water of the air cooler is connected with refrigeration system.
As a preferred solution of the present invention, the shield circulation includes cooling tower, reservoir, water pump and outer circulation
Water；The outer circulation water used for cooling tower after carrying out radiating and cooling to refrigeration system carries out natural cooling, and the reservoir is used
In receiving outer circulation water of the storage after cooling tower, the water pump, which is used to send the external circulation water pump in reservoir to refrigeration, is
System.
The present invention also provides a kind of shield tunnel construction cool-down methods, comprising the following steps:
A, increase by a section trolley in shield drive end unit to connect with former shield machine trolley；
B, refrigeration system is installed on newly-increased trolley；
C, newly-increased air cooling system is installed between trolley and tunnel top, the air cooling system is located at tunnel wind
Between machine air hose, shield blower air hose；
D, it will be delivered in air cooling system by refrigeration system water after cooling, water to be cooled and tunnel blower air hose
It is back in refrigeration system after the cold and hot exchange of natural wind progress of feeding and cools down again；
E, it will be sent through air cooling system wind after cooling to artificial construction region using shield blower air hose.
Shield tunnel construction cool-down method in the present invention is by increasing a section trolley and former shield machine in shield drive end unit
Trolley connection, for installing the equipment in refrigeration system, installs air cooling system newly-increased between trolley and tunnel top, should
Air cooling system is located between tunnel blower air hose, shield blower air hose, when the natural wind for being sent into tunnel is cooling by air
Heat exchange can be carried out with the cooling water being delivered in air cooling system after system, cooled down to realize to natural wind, benefit
It is sent to artificial construction region and is cooled down with the shield blower air hose wind after cooling that will unite, the cool-down method is simple and practical, can
The environment temperature in artificial construction region in shield tunnel is effectively reduced, improves construction worker's working environment, has ensured and applied
Work personnel safety has reached safety in production effect.
As a preferred solution of the present invention, shield circulation is connected in refrigeration system to radiate to refrigeration equipment
Cooling, to guarantee that the equipment of refrigeration system operates normally.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, the present invention provides cold source by the way that refrigeration system is arranged in tunnel for air cooling system, and cooling using air
The natural wind that system and ground are sent into carry out it is cold and hot exchange, achieve the purpose that cool down natural wind, while passing through shield
Structure circulation carries out radiating and cooling to refrigeration system, to guarantee that the equipment of refrigeration system operates normally, by using the dress
It sets after carrying out cooling heat processing to the natural wind being sent into tunnel, improves construction worker's working environment, ensured and applied
Work personnel safety can also be obviously improved worker's enthusiasm for production, improve construction production efficiency；
2, the shield tunnel construction cool-down method in the present invention is by increasing a section trolley and former shield in shield drive end unit
Machine trolley connection, for installing the equipment in refrigeration system, installs air cooling system newly-increased between trolley and tunnel top,
The air cooling system is located between tunnel blower air hose, shield blower air hose, when the natural wind for being sent into tunnel is cold by air
But heat exchange can be carried out with the cooling water being delivered in air cooling system after system, cooled down to realize to natural wind,
It send to artificial construction region and cools down using the shield blower air hose wind after cooling that will unite, the cool-down method is simple and practical, energy
The environment temperature in artificial construction region in shield tunnel is enough effectively reduced, improves construction worker's working environment, ensures
Construction personnel's safety, has reached safety in production effect.
Detailed description of the invention
Fig. 1 is the shield tunnel construction cooling device schematic diagram in the present invention.
Marked in the figure: 1- condenser, 2- filter, 3- heating power expansion valve, 4- evaporator, 5- compressor, 6- cooling tower, 7-
Reservoir, 8- external circulation water pump, 9- air cooler, 10- insulated water tank, 11- internal circulation water pump.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
The present embodiment provides a kind of shield tunnel construction cooling devices；
Such as Fig. 1, shield tunnel construction cooling device in the present embodiment, including the refrigeration system being set in tunnel and air
Cooling system, and the shield circulation outside tunnel；The refrigeration system is connected with air cooling system, for for
Air cooling system provides cold source；The natural wind that the air cooling system and ground are sent into carry out it is cold and hot exchange, for from
Right wind cools down, and the natural wind after cooling is sent by shield blower to construction area, to reduce construction area temperature；
The shield circulation is connected with refrigeration system, for carrying out radiating and cooling to refrigeration system, it is ensured that refrigeration system is normal
Operating.
The present invention provides cold source by the way that refrigeration system is arranged in tunnel for air cooling system, and utilizes air cooling system
The natural wind progress that system is sent into ground is cold and hot to be exchanged, and achievees the purpose that cool down natural wind, while passing through shield
Circulation carries out radiating and cooling to refrigeration system, to guarantee that the equipment of refrigeration system operates normally, by using the device
After carrying out cooling heat processing to the natural wind being sent into tunnel, construction worker's working environment is improved, has ensured construction
Personnel safety can also be obviously improved worker's enthusiasm for production, improve construction production efficiency.
In the present embodiment, the refrigeration system includes condenser 1, filter 2, heating power expansion valve 3, evaporator 4, compressor
5 and refrigerant, the refrigerant is freon.The refrigeration system is carried equipment by the condenser 1 in refrigeration unit
Freon is transformed into liquid by gaseous state；Liquid freon carries out temperature tune by heating power expansion valve 3 after the filtering of filter 2
Section, until set temperature；The freon for reaching set temperature carries out liquid to gaseous state in evaporator 4 again to be changed, transition process
And cooling down is carried out to the interior recirculated water among cooling water system；Freon in evaporator 4 with interior recirculated water cooling heat exchange
After be back to condenser 1 carry out subsequent cycle temperature-fall period, whole process compressor 5 be used for the Freon gas after evaporation into
Row compression forms high pressure gas, promotes freon accelerated service, shortens cooling cycle.
In the present embodiment, the shield circulation includes cooling tower 6, reservoir 7, external circulation water pump 8 and outer circulation
Water；The shield circulation is connect with the refrigeration system, and refrigeration system device temperature is reduced using shield recirculated water,
Ensure that refrigeration system runs well；The equipment heat of the refrigeration system is mainly derived from condenser 1, and condenser and shield are followed
The connection of ring water system inlet and outlet；Outer circulation water after cooling enters condenser 1 by water inlet and carries out cold and hot exchange
Water temperature increases afterwards, is back to after cooling tower 6 carries out Temperature fall and is stored in reservoir 7 by water outlet, recycles outer circulation
Water pump 8 is delivered to condenser 1 and continues cold and hot exchange, to have the function that reduce refrigeration equipment temperature.
In the present embodiment, the air cooling system includes air cooler 9, insulated water tank 10, internal circulation water pump 11 and interior follows
Ring water；Interior recirculated water by 4 cooling down of refrigeration system evaporator is stored in insulated water tank 10, and passes through internal circulation water pump
11 are delivered in air cooler 9；Condensate film is set on air cooler, increases the contact surface of natural wind and interior recirculated water after cooling
Product enhances cooling effect；Water temperature liter after interior recirculated water carries out cold and hot exchange with the natural wind that tunnel blower is sent into air cooler 9
Height is back to evaporator 4 and continues cycling through cooling.The natural wind (40 DEG C of temperature) in tunnel is delivered to by well head tunnel blower, with
Air cooler carries out cold and hot exchange (air cooler temperature is 11 DEG C), reduces nature air temperature (temperature is 26 DEG C after comprehensive), and benefit
Cold wind is sent to construction area with the shield blower on No. 5 trolleys of shield machine.
Temperature in tunnel construction environment is adjusted by tunnel cooling, improves construction worker's working environment, is ensured
Construction personnel's safety, has reached safety in production effect；Reduce tunnel temperature, hence it is evident that promote worker's enthusiasm for production, improve
Construction production efficiency, effectively shortens procedure connection, reduces the overall duration, reduces construction cost, increases Project Benefit.
Embodiment 2
The present embodiment provides a kind of shield tunnel construction cool-down methods；
Shield tunnel construction cool-down method such as Fig. 1, in the present embodiment, comprising the following steps:
A, according to the cooling system size in refrigeration system and air cooling system, in-site measurement tunnel space, in shield
The trolley that drive end unit increases by a section 10m is connect with former shield machine trolley；
B, refrigeration system is installed on newly-increased trolley, i.e., it is left the refrigeration host computer of 1.2 × 3m of size to be mounted on newly-increased trolley
It sidles on guidance tape, and is connect recirculated water with refrigeration host computer using DN100 water pipe；And the installation heat preservation water at refrigeration host computer water outlet
Case 10 and internal circulation water pump 11；
C, newly-increased air cooling system is installed between trolley and tunnel top, the air cooling system is located at tunnel wind
Between machine air hose, shield blower air hose；Air cooler 9 is installed in the space of newly-increased trolley and tunnel top, air cooler rear end with
The connection of tunnel air supply tube, front end are connect with the shield blower air hose on No. 5 trolleys of shield machine, and air cooler side uses DN100 water
Pipe is connect with water pump；
D, connection power supply starts refrigeration host computer cooling circulating water and is delivered to insulated water tank, will be after cooling by water pump
Recirculated water is delivered in air cooler, and water to be cooled is back to system after carrying out cold and hot exchange with the natural wind that tunnel blower air hose is sent into
It is cooled down again in cooling system；
E, it will be sent through air cooling system wind after cooling to artificial construction region using shield blower air hose；Pass through well head
The natural wind (35 DEG C of temperature) that tunnel blower is delivered to tunnel carries out cold and hot exchange in air cooler, and (aerial cooler can be by temperature
It is reduced to 11 DEG C), nature air temperature (temperature is 26 DEG C after comprehensive) is reduced, and utilize the shield blower on No. 5 trolleys of shield machine
Cold wind is sent to construction area.
Shield tunnel construction cool-down method in the present invention is by increasing a section trolley and former shield machine in shield drive end unit
Trolley connection, for installing the equipment in refrigeration system, installs air cooling system newly-increased between trolley and tunnel top, should
Air cooling system is located between tunnel blower air hose, shield blower air hose, when the natural wind for being sent into tunnel is cooling by air
Heat exchange can be carried out with the cooling water being delivered in air cooling system after system, cooled down to realize to natural wind, benefit
It is sent to artificial construction region and is cooled down with the shield blower air hose wind after cooling that will unite, the cool-down method is simple and practical, can
The environment temperature in artificial construction region in shield tunnel is effectively reduced, improves construction worker's working environment, has ensured and applied
Work personnel safety has reached safety in production effect.
In the present embodiment, shield circulation is connected in refrigeration system, radiating and cooling is carried out to refrigeration equipment, to protect
The equipment for demonstrate,proving refrigeration system operates normally.The shield circulation includes cooling tower 6, reservoir 7,8 and of external circulation water pump
Outer circulation water；The shield circulation is connect with the refrigeration system, is set using shield recirculated water to reduce refrigeration system
Standby temperature, it is ensured that refrigeration system runs well；The equipment heat of the refrigeration system is mainly derived from condenser, by condenser with
The connection of shield circulation inlet and outlet；Outer circulation water after cooling by water inlet enter condenser carry out it is cold and hot
Water temperature increases after exchange, is back to after cooling tower 6 carries out Temperature fall and is stored in reservoir 7 by water outlet, recycles outer
Water circulating pump 8 is delivered to condenser and continues cold and hot exchange, to have the function that reduce refrigeration equipment temperature.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in original of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within reason.
Claims (7)
1. a kind of shield tunnel construction cooling device, which is characterized in that cooling including the refrigeration system being set in tunnel and air
System, and the shield circulation outside tunnel；The refrigeration system is connected with air cooling system, for being air
Cooling system provides cold source；The natural wind that the air cooling system and ground are sent into carry out it is cold and hot exchange, for natural wind
It cools down；The shield circulation is connected with refrigeration system, for carrying out radiating and cooling to refrigeration system.
2. shield tunnel construction cooling device according to claim 1, which is characterized in that the refrigeration system includes condensation
Device, filter, heating power expansion valve, evaporator, compressor and refrigerant；The condenser is for refrigerant to be transformed by gaseous state
Liquid；The filter is used to be filtered to by condensed liquid refrigerant；The heating power expansion valve is for carrying out temperature
Degree is adjusted；The evaporator is used to carry out liquid to gaseous transformation to liquid refrigerant；After the compressor is used for evaporation
Refrigerant gas carry out compressed action formed higher pressure refrigerant gas.
3. shield tunnel construction cooling device according to claim 2, which is characterized in that the refrigerant is freon.
4. shield tunnel construction cooling device according to claim 1, which is characterized in that the air cooling system includes
Air cooler, insulated water tank, water pump and interior recirculated water；The insulated water tank for receive storage through refrigeration system it is after cooling in follow
Ring water, the water pump is for sending the internal circulation water pump in insulated water tank into air cooler, the return water and refrigeration of the air cooler
System is connected.
5. shield tunnel construction cooling device according to claim 1, which is characterized in that the shield circulation packet
Include cooling tower, reservoir, water pump and outer circulation water；The outer circulation used for cooling tower after carrying out radiating and cooling to refrigeration system
Water carries out natural cooling, and the reservoir, which is used to receive, stores the outer circulation water after cooling tower, and the water pump is used for water storage
External circulation water pump in pond is sent to refrigeration system.
6. a kind of shield tunnel construction cool-down method, which comprises the following steps:
A, increase by a section trolley in shield drive end unit to connect with former shield machine trolley；
B, refrigeration system is installed on newly-increased trolley；
C, newly-increased air cooling system is installed between trolley and tunnel top, the air cooling system is located at tunnel blower wind
Between pipe, shield blower air hose；
D, it will be delivered in air cooling system by refrigeration system water after cooling, water to be cooled and tunnel blower air hose are sent into
Natural wind be back in refrigeration system after cold and hot exchange cooling down again；
E, it will be sent through air cooling system wind after cooling to artificial construction region using shield blower air hose.
7. shield tunnel construction cool-down method according to claim 6, which is characterized in that connect shield in refrigeration system
Circulation carries out radiating and cooling to refrigeration equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377722.3A CN109209466A (en) | 2018-11-19 | 2018-11-19 | A kind of shield tunnel construction cooling device and cool-down method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377722.3A CN109209466A (en) | 2018-11-19 | 2018-11-19 | A kind of shield tunnel construction cooling device and cool-down method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109209466A true CN109209466A (en) | 2019-01-15 |
Family
ID=64996132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811377722.3A Pending CN109209466A (en) | 2018-11-19 | 2018-11-19 | A kind of shield tunnel construction cooling device and cool-down method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899082A (en) * | 2019-03-28 | 2019-06-18 | 中铁工程装备集团有限公司 | A kind of TBM dust removal by ventilation refrigeration system |
| CN110159335A (en) * | 2019-06-25 | 2019-08-23 | 中国铁建重工集团股份有限公司 | A kind of tunnel cooling system based on mud circulation |
| CN110195593A (en) * | 2019-05-09 | 2019-09-03 | 中铁十六局集团地铁工程有限公司 | A kind of shield machine external circulating water-cooled but system and method |
| CN110608043A (en) * | 2019-10-29 | 2019-12-24 | 中铁工程服务有限公司 | Cooling and ventilating hybrid system of shield machine |
| CN112096441A (en) * | 2020-10-12 | 2020-12-18 | 中铁十六局集团有限公司 | Tunnel shield construction temperature control device and use method thereof |
| CN113432371A (en) * | 2021-07-08 | 2021-09-24 | 中亘节能科技有限公司 | Whole vehicle thermal management system and method for shield machine |
| CN114877595A (en) * | 2022-05-17 | 2022-08-09 | 中铁工程装备集团有限公司 | Tunnel construction temperature control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109899082A (en) * | 2019-03-28 | 2019-06-18 | 中铁工程装备集团有限公司 | A kind of TBM dust removal by ventilation refrigeration system |
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| CN112096441A (en) * | 2020-10-12 | 2020-12-18 | 中铁十六局集团有限公司 | Tunnel shield construction temperature control device and use method thereof |
| CN113432371A (en) * | 2021-07-08 | 2021-09-24 | 中亘节能科技有限公司 | Whole vehicle thermal management system and method for shield machine |
| CN114877595A (en) * | 2022-05-17 | 2022-08-09 | 中铁工程装备集团有限公司 | Tunnel construction temperature control system |
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Application publication date: 20190115 |