CN110486024A - The external circulating water-cooled of shield system but method and its cooling device - Google Patents
The external circulating water-cooled of shield system but method and its cooling device Download PDFInfo
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- CN110486024A CN110486024A CN201910666336.4A CN201910666336A CN110486024A CN 110486024 A CN110486024 A CN 110486024A CN 201910666336 A CN201910666336 A CN 201910666336A CN 110486024 A CN110486024 A CN 110486024A
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- 238000001816 cooling Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 443
- 239000007788 liquid Substances 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
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- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of external circulating water-cooled of shield system but method and its cooling device, the external circulating water-cooled of shield system but method the following steps are included: outer circulation water is imported in circulating water pool using outer circulation water lines；Water temperature in circulating water pool is detected；If detecting, the water temperature in circulating water pool is higher than the first preset temperature, and it is cooling to carry out secondary cycle to the water in circulating water pool using secondary cycle pipeline.The external circulating water-cooled of shield system but method and its cooling device, cooling efficiency is higher, can be timely by heat displacement into air.
Description
Technical field
The present invention relates to circulating water technical fields, and in particular to a kind of external circulating water-cooled of shield system but method and
Its cooling device.
Background technique
In the work progress of urban track traffic, in order to ensure shield system is able to maintain normal operating conditions, benefit is needed
Shield system time is made to be maintained at preset ideal temperature with cooling system.Especially for the high hot weather in south, shield system
Cooling effect quality be the key that shield system can keep work normally.The cooling body of shield system mainly includes interior
Cooling back installation and outer circulation cooling device.The heat generated when being operated shield machine by interior cooling back installation exchange to
On interior recirculated water；Recycle heat exchanger that the outer circulation of heat displacement to outer circulation cooling device is waterborne；Finally by outer circulation
The heat of water is replaced into air and is discharged.The cooling efficiency of traditional external circulating water-cooled but device is lower, can not timely by
Heat is replaced into air.
Summary of the invention
Based on this, the external circulating water-cooled of shield system a kind of but method and its cooling device are proposed, cooling efficiency is higher,
It can be timely by heat displacement into air.
Its technical solution is as follows:
On the one hand, a kind of external circulating water-cooled of shield system but method is provided, comprising the following steps:
Outer circulation water is imported in circulating water pool using outer circulation water lines；
Water temperature in circulating water pool is detected；
If detecting, the water temperature in circulating water pool is higher than the first preset temperature, using secondary cycle pipeline to circulating water pool
It is cooling that interior water carries out secondary cycle.
Technical solution is illustrated further below:
Outer circulation water is imported to described using outer circulation water lines the step in circulating water pool in one of the embodiments,
In rapid, comprising: so that the outer circulation water is passed sequentially through outer circulation main pipeline and outer circulation secondary duct, pass through the outer circulation looped pipeline
The outer circulation water is discharged into the circulating water pool by road, wherein the diameter of the outer circulation main pipeline is greater than the outer circulation
The diameter of secondary duct.
In one of the embodiments, by the liquid outlet on the side wall of the outer circulation secondary duct by the outer circulation water
It is discharged into the circulating water pool.
Secondary cycle is carried out to the water in circulating water pool using secondary cycle pipeline described in one of the embodiments,
In cooling step, comprising: the hydraulic pressure in the outer circulation water lines is detected, it will be described in the water importing in circulating water pool
In secondary cycle pipeline and the hydraulic pressure in the secondary cycle pipeline is made to be greater than or equal to the hydraulic pressure in the outer circulation water lines；
It will be imported in the circulating water pool after water secondary cycle cooling in the secondary cycle pipeline.
It is detected in one of the embodiments, in the hydraulic pressure in the outer circulation water lines, by recirculated water
Water in pond imports in the secondary cycle pipeline and is greater than or equal to the hydraulic pressure in the secondary cycle pipeline outside described and follows
In the step of hydraulic pressure in ring water lines, comprising: detected to the hydraulic pressure in the secondary cycle pipeline, and make described outer follow
The difference of the hydraulic pressure in hydraulic pressure and the secondary cycle pipeline in ring water lines is within the scope of preset pressure.
Institute is imported after in one of the embodiments, described by the water secondary cycle cooling in the secondary cycle pipeline
It states in the step in circulating water pool, comprising: the water in the circulating water pool is made to pass sequentially through secondary cycle main pipeline and outer circulation
Secondary duct is imported the water in the circulating water pool in the circulating water pool by the outer circulation secondary duct, wherein institute again
The diameter for stating secondary cycle main pipeline is greater than the diameter of the outer circulation secondary duct.
Institute is imported after in one of the embodiments, described by the water secondary cycle cooling in the secondary cycle pipeline
After stating the step in circulating water pool, comprising: detected again to the water temperature in circulating water pool；If detecting in circulating water pool
Water temperature and the temperature difference of first preset temperature then reduce the water in the secondary cycle pipeline in the first preset temperature range
Pressure.
The external circulating water-cooled of the shield system of above-described embodiment but method, has at least the following advantages: (1), can be efficient
External recirculated water cooled down, timely the heat of outer circulation water is replaced into air；It (2), can be outside dynamic regulation
The difference of the hydraulic pressure in hydraulic pressure and the secondary cycle pipeline in circulating water line, avoids the occurrence of asking for outer circulation water reverse irrigation
Topic, also can guarantee normally to carry out secondary cycle cooling to the water in circulating water pool；(3), make the water in circulating water pool
Temperature in the normal temperature range, will not the cooling of external recirculated water impact.
On the other hand, a kind of external circulating water-cooled of shield system but device is provided, comprising: circulating water pool；Outer circulation water
Pipeline, the outer circulation water lines are used to import outer circulation water in the circulating water pool；First temperature detecting element, described
One temperature detecting element is for detecting the water temperature in circulating water pool；And secondary cycle pipeline, the secondary cycle pipeline
It is cooling for carrying out secondary cycle to the water in circulating water pool.
The external circulating water-cooled of above-mentioned shield system but device, in use, interior recirculated water replaces heat to after outer circulation water,
Outer circulation water is imported into circulating water pool by outer circulation waterpipe, replaces heat to sky so that outer circulation water energy is enough
Gas, to complete cooling for outer circulation water；Enter in circulating water pool as outer circulation water is lasting, the water in circulating water pool
Temperature can rise, and be measured in real time, guaranteed to recirculated water to the water temperature in circulating water pool using the first temperature detecting element
Water temperature in pond accomplishes that dynamic monitors, and avoids the water temperature over-high in circulating water pool and influences the cooling effect of outer circulation water；Work as inspection
The water temperature over-high in circulating water pool is measured, secondary cycle cooling is carried out to the water in circulating water pool using secondary cycle pipeline, from
And cooling processing is carried out to the water in circulating water pool, guarantee that the water temperature moment in circulating water pool is in normal range (NR) without right
The cooling of outer circulation water impacts, and guarantees that outer circulation water energy is enough and is efficiently cooled down.
The outer circulation water lines include outer circulation main pipeline and outer circulation secondary duct, institute in one of the embodiments,
Stating secondary cycle pipeline includes secondary cycle main pipeline and the outer circulation secondary duct, and the outer circulation secondary duct is set to described
Between outer circulation main pipeline and the secondary cycle main pipeline, the outer circulation main pipeline is connected to by the outer circulation secondary duct
With the secondary cycle main pipeline, and the outer circulation secondary duct be equipped with liquid outlet, the diameter of the outer circulation main pipeline and institute
The diameter for stating secondary cycle main pipeline is all larger than the diameter of the outer circulation secondary duct.
It further includes the first hydraulic pressure detecting element and that the external circulating water-cooled of shield system, which but fills, in one of the embodiments,
One pump housing, the first hydraulic pressure detecting element is for detecting the hydraulic pressure in the outer circulation water lines, first pump
Body by the water in circulating water pool for importing in the secondary cycle pipeline and being greater than the hydraulic pressure in the secondary cycle pipeline
Or equal to the hydraulic pressure in the outer circulation water lines.
Detailed description of the invention
Fig. 1 is the flow chart of the external circulating water-cooled but method of the shield system of one embodiment；
Fig. 2 is the flow chart of the external circulating water-cooled but method of the shield system of another embodiment；
Fig. 3 is the structural schematic diagram of the external circulating water-cooled but device of the shield system of one embodiment.
Description of symbols:
100, circulating water pool, 200, outer circulation water lines, 210, outer circulation main pipeline, 300, secondary cycle pipeline, 310,
Secondary cycle main pipeline, the 400, first temperature detecting element, 500, outer circulation secondary duct, 510, liquid outlet.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only to solve
The present invention is released, and the scope of protection of the present invention is not limited.
It should be noted that it can be directly another when element is referred to as " being set to ", " being fixedly arranged on " another element
On a element or there may also be elements placed in the middle.When element is referred to as " being fixedly arranged on " another element, or with another yuan
Part " is fixedly connected ", and can be the mode of being detachably fixed between them is also possible to non-removable fixed form.When a member
Part is considered as " connection ", " rotation connection " another element, it can be directly to another element or may be same
When there are centering elements.Term as used herein "vertical", "horizontal", "left" and "right", "upper", "lower" and similar
Statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the constraint present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
The similar term such as heretofore described " first ", " second ", " third " does not represent specific quantity and sequence, only
It is the differentiation for title.
As shown in Figures 1 and 2, in one embodiment, a kind of external circulating water-cooled of shield system but method, packet are provided
Include following steps:
S100: outer circulation water is imported in circulating water pool 100 using outer circulation water lines 200.In this way, interior recirculated water will be warm
After amount displacement to outer circulation water, outer circulation water is imported into circulating water pool 100 by outer circulation waterpipe, so that following outside
Ring water energy is enough to replace heat to air, to complete cooling for outer circulation water.
As shown in figure 3, outer circulation water is being imported recirculated water using outer circulation water lines 200 specific in the present embodiment
In step in pond 100, comprising: S110: so that outer circulation water is passed sequentially through outer circulation main pipeline 210 and outer circulation secondary duct 500,
Outer circulation water is discharged into circulating water pool 100 by outer circulation secondary duct 500, wherein the diameter of outer circulation main pipeline 210 is greater than
The diameter of outer circulation secondary duct 500.In this way, outer circulation water is passed sequentially through outer circulation main pipeline 210 and outer circulation secondary duct
500, since the diameter of outer circulation main pipeline 210 is greater than the diameter of outer circulation secondary duct 500, so that outer circulation water enters outer circulation
Flow velocity is accelerated after in secondary duct 500, so that outer circulation water energy is enough faster, preferably to carry out heat exchange with the external world, improves
The cooling efficiency of outer circulation water.
As shown in figure 3, further, outer circulation water is arranged by the liquid outlet 510 on the side wall of outer circulation secondary duct 500
Enter in circulating water pool 100.In this way, flow velocity is accelerated after outer circulation water enters in outer circulation secondary duct 500, then pass through outer circulation looped pipeline
Outer circulation water is sprayed and is entered in circulatory pool by the liquid outlet 510 on the side wall in road 500, so that the distance that outer circulation water sprays becomes
Far, the time that outer circulation water is contacted with air is extended, outer circulation water is more advantageous to and air carries out heat exchange, improve outer follow
The cooling efficiency of ring water.Wherein, the shape of liquid outlet 510 can be set to the shapes such as regular circle, polygon, can also set
It is set to the shapes such as irregular fold-line-shaped；Preferably irregular shape so, it is possible to destroy shape when outer circulation water sprays
State, so that outer circulation water more contacts with air and carries out heat exchange.
S200: the water temperature in circulating water pool 100 is detected.In this way, the entrance recirculated water lasting with outer circulation water
In pond 100, the water temperature in circulating water pool 100 can rise, using the first temperature detecting element 400 to the water in circulating water pool 100
Temperature is measured in real time, and is guaranteed to accomplish the water temperature in circulating water pool 100 dynamic monitors, be avoided in circulating water pool 100
Water temperature over-high and the cooling effect for influencing outer circulation water.Wherein, the first temperature detecting element 400, which can be, is set to circulating water pool
Temperature probe in the temperature sensor of 100 inner walls, or insertion circulating water pool 100, only needing can be in circulating water pool 100
Water temperature detected.
S300: if detecting, the water temperature in circulating water pool 100 is higher than the first preset temperature, utilizes secondary cycle pipeline
It is cooling that water in 300 pairs of circulating water pools 100 carries out secondary cycle.In this way, detect the water temperature over-high in circulating water pool 100, benefit
Secondary cycle cooling is carried out to the water in circulating water pool 100 with secondary cycle pipeline 300, thus to the water in circulating water pool 100
Cooling processing is carried out, guarantees that the water temperature moment in circulating water pool 100 is in the cooling in normal range (NR) without external recirculated water
It impacts, guarantees that outer circulation water energy is enough and efficiently cooled down.Wherein, the first preset temperature can be according to actual use demand
Flexibly adjustment is carried out, such as can be 25 DEG C, 30 DEG C or other temperature.
Specific in the present embodiment, secondary cycle is being carried out to the water in circulating water pool 100 using secondary cycle pipeline 300
In cooling step, comprising: S310: the hydraulic pressure in external circulating water line 200 is detected, by the water in circulating water pool 100
It imports in secondary cycle pipeline 300 and is greater than or equal to the hydraulic pressure in secondary cycle pipeline 300 in outer circulation water lines 200
Hydraulic pressure.In this way, if detecting, the water temperature in circulating water pool 100 is higher than the first preset temperature, first with the first hydraulic pressure detecting element
The hydraulic pressure of external circulating water line 200 is detected, then open first pump housing of secondary cycle pipeline 300 and by circulating water pool
Water in 100 imports in secondary cycle pipeline 300, so that the hydraulic pressure in secondary cycle pipeline 300 rises to more than or equal to outer
Hydraulic pressure in circulating water line 200, so that the water energy in circulating water pool 100 is enough smoothly into secondary cycle pipeline 300
It is interior and to carry out secondary cycle cooling.S320: circulating water pool will be imported after the water secondary cycle cooling in secondary cycle pipeline 300
In 100.In this way, by the water in the higher circulating water pool 100 of temperature after secondary cycle pipeline 300 carries out secondary cycle cooling
It is imported in former circulating water pool 100 again, is not required to additional reservoir, simplifies arragement construction, also save cost.First pump
Body can be hydraulic pump, centrifugal pump or other can extract the pump housing of liquid.
Specific in the present embodiment, the hydraulic pressure in external circulating water line 200 is detected, will be in circulating water pool 100
Water import in secondary cycle pipeline 300 and hydraulic pressure in secondary cycle pipeline 300 made to be greater than or equal to outer circulation water lines 200
In the step of interior hydraulic pressure, comprising: S311: detecting the hydraulic pressure in secondary cycle pipeline 300, and makes outer circulation water lines
The difference of the hydraulic pressure in hydraulic pressure and secondary cycle pipeline 300 in 200 is within the scope of preset pressure.In this way, utilizing the first water
The hydraulic pressure of the pressure external circulating water line 200 of detecting element is detected, using the second hydraulic pressure detecting element to secondary cycle pipeline
Hydraulic pressure in 300 is detected, can be in the hydraulic pressure and secondary cycle pipeline 300 in dynamic regulation outer circulation water lines 200
The difference of hydraulic pressure avoids going out because of the excessive hydraulic pressure being greater than in outer circulation water lines 200 of the hydraulic pressure in secondary cycle pipeline 300
The problem of existing outer circulation water flows backward guarantees that outer circulation water energy is enough and is smoothly discharged and is cooled down.Preset pressure range can root
It needs flexibly to be adjusted according to actual use, need to only meet is not in the problem of outer circulation water flows backward.
In one embodiment, circulating water pool 100 is imported after the water secondary cycle in secondary cycle pipeline 300 is cooling
In interior step, comprising: S321: the water in circulating water pool 100 being made to pass sequentially through secondary cycle main pipeline 310 and outer circulation looped pipeline
Road 500 is imported the water in circulating water pool 100 in circulating water pool 100 by outer circulation secondary duct 500, wherein secondary to follow again
The diameter of ring main pipeline 310 is greater than the diameter of outer circulation secondary duct 500.In this way, the water in circulating water pool 100 is passed sequentially through two
Secondary circulation main pipeline 310 and outer circulation secondary duct 500, since the diameter of secondary cycle main pipeline 310 is greater than outer circulation secondary duct
500 diameter, so that flow velocity is accelerated after the water in circulating water pool 100 enters in outer circulation secondary duct 500, so that recirculated water
Water energy in pond 100 enough faster, preferably carries out heat exchange with the external world, improves the cooling efficiency of the water in circulating water pool 100.
Flow velocity is accelerated after water in circulating water pool 100 enters in outer circulation secondary duct 500, then passes through the side wall of outer circulation secondary duct 500
On liquid outlet 510 water is sprayed and is again introduced into circulatory pool so that the distance that water sprays becomes remote, extend water and connect with air
The time of touching is more advantageous to water and air carries out heat exchange, improves the cooling efficiency of the water in circulating water pool 100.
Further, the step in circulating water pool 100 is imported after the water secondary cycle in secondary cycle pipeline 300 is cooling
After rapid, comprising: S322: detected again to the water temperature in circulating water pool 100.In this way, utilizing the first temperature detecting element 400
Water temperature in circulating water pool 100 is measured in real time, convenient for carrying out corresponding operation according to the water temperature in circulating water pool 100.
S323: if the temperature difference for detecting the water temperature and the first preset temperature in circulating water pool 100 drops in the first preset temperature range
Hydraulic pressure in low secondary cycle pipeline 300.In this way, being carried out using secondary cycle pipeline 300 to the water in circulating water pool 100 secondary
During circulating cooling, water temperature drop in circulating water pool 100, when detecting that the water temperature in circulating water pool 100 is pre- with first
If the temperature difference of temperature within the allowable range when, the hydraulic pressure in secondary cycle pipeline 300 can be adjusted and make secondary cycle pipeline
Hydraulic pressure in 300 slowly declines, and avoids persistently being greater than in outer circulation water lines 200 because of the hydraulic pressure in secondary cycle pipeline 300
Hydraulic pressure and influence outer circulation water lines 200 and import outer circulation water in circulating water pool 100 to cool down with external recirculated water, to two
The reduction of hydraulic pressure in secondary circulation line 300 can continue to until the water temperature in circulating water pool 100 is equal to or less than first in advance
If temperature, secondary cycle pipeline 300 is sent into so as to stop first pump housing for the water in circulating water pool 100；Specifically, it adjusts
Hydraulic pressure in secondary cycle pipeline 300 and the hydraulic pressure in secondary cycle pipeline 300 is slowly declined, avoid by secondary cycle master
The hydraulic pressure for entering the water of outer circulation secondary duct 500 in pipeline 310 be persistently greater than or be excessively greater than by outer circulation main pipeline 210 into
The hydraulic pressure for entering the outer circulation water of outer circulation secondary duct 500 prevents the problem of outer circulation water flows backward, and guarantees that outer circulation water energy is enough
Be continuously obtained cooling, can also make the difference of hydraulic pressure in outer circulation water lines 200 and the hydraulic pressure in secondary cycle pipeline 300 by
Gradual change is small, steps up the flow that outer circulation water enters outer circulation secondary duct 500, guarantees the cooling efficiency of outer circulation water.
It needs to be illustrated, the first hydraulic pressure detecting element can be the pressure for being set to 200 inner wall of outer circulation water lines
Force snesor is also possible to the survey protruded into outer circulation water lines 200 pressure probe, and need to only meet being capable of external circulating water line
Hydraulic pressure in 200 is detected.Second hydraulic pressure detecting element can be the pressure for being set to 300 inner wall of secondary cycle pipeline
Sensor is also possible to the survey protruded into secondary cycle pipeline 300 pressure probe, and need to only meet can be to secondary cycle pipeline 300
Interior hydraulic pressure is detected.
Certainly, during carrying out secondary cycle cooling to the water in circulating water pool 100 using secondary cycle pipeline 300,
Corresponding cooling pipe can also be separately provided, that is, be not required to such as above-described embodiment outer circulation water lines 200 be followed with secondary
Endless tube road 300 shares outer circulation secondary duct 500, and need to only meet can carry out secondary cycle cooling to the water in circulating water pool 100
.
The external circulating water-cooled of the shield system of above-described embodiment but method, has at least the following advantages: (1), can be efficient
External recirculated water cooled down, timely the heat of outer circulation water is replaced into air；It (2), can be outside dynamic regulation
The difference of the hydraulic pressure in hydraulic pressure and secondary cycle pipeline 300 in circulating water line 200, avoids the occurrence of asking for outer circulation water reverse irrigation
Topic, also can guarantee normally to carry out secondary cycle cooling to the water in circulating water pool 100；(3), make circulating water pool 100
Interior water temperature is in normal temperature range, will not externally the cooling of recirculated water be impacted.
As shown in figure 3, in one embodiment, a kind of external circulating water-cooled of shield system but device is additionally provided, comprising:
Circulating water pool 100；Outer circulation water lines 200, outer circulation water lines 200 are used to import outer circulation water in circulating water pool 100；The
One temperature detecting element 400, the first temperature detecting element 400 is for detecting the water temperature in circulating water pool 100；And it is secondary
Circulation line 300, secondary cycle pipeline 300 are used to carry out secondary cycle to the water in circulating water pool 100 cooling.
The external circulating water-cooled of the shield system of above-described embodiment but device, in use, interior recirculated water replaces heat to outer
After recirculated water, outer circulation water is imported into circulating water pool 100 by outer circulation waterpipe, it will so that outer circulation water energy is enough
Heat is replaced to air, to complete cooling for outer circulation water；With the lasting entrance circulating water pool 100 of outer circulation water
Interior, the water temperature in circulating water pool 100 can rise, and be carried out using the first temperature detecting element 400 to the water temperature in circulating water pool 100
Real-time detection guarantees to accomplish the water temperature in circulating water pool 100 dynamic monitors, avoids the water temperature mistake in circulating water pool 100
Cooling effect that is high and influencing outer circulation water；When detecting the water temperature over-high in circulating water pool 100, secondary cycle pipeline is utilized
It is cooling that water in 300 pairs of circulating water pools 100 carries out secondary cycle, to carry out cooling processing to the water in circulating water pool 100, protects
The cooling that the water temperature moment in card circulating water pool 100 is in normal range (NR) without external recirculated water impacts, and guarantees outer
Recirculated water can be cooled down efficiently.
As shown in figure 3, in one embodiment, outer circulation water lines 200 include outer circulation main pipeline 210 and outer circulation pair
Pipeline 500, secondary cycle pipeline 300 include secondary cycle main pipeline 310 and outer circulation secondary duct 500, outer circulation secondary duct 500
It is set between outer circulation main pipeline 210 and secondary cycle main pipeline 310, outer circulation master is connected to by outer circulation secondary duct 500
Pipeline 210 and secondary cycle main pipeline 310, and outer circulation secondary duct 500 is equipped with liquid outlet 510, outer circulation main pipeline 210 it is straight
The diameter of diameter and secondary cycle main pipeline 310 is all larger than the diameter of outer circulation secondary duct 500.It is followed outside in this way, outer circulation water enters
Flow velocity is accelerated after in ring secondary duct 500, then the liquid outlet 510 on the side wall for passing through outer circulation secondary duct 500 sprays outer circulation water
Enter in circulatory pool out, so that the distance that outer circulation water sprays becomes remote, extends the time that outer circulation water is contacted with air, more
Be conducive to outer circulation water and air carries out heat exchange, improves the cooling efficiency of outer circulation water；By the water in circulating water pool 100 according to
It is secondary by secondary cycle main pipeline 310 and outer circulation secondary duct 500, followed outside since the diameter of secondary cycle main pipeline 310 is greater than
The diameter of ring secondary duct 500, so that flow velocity is accelerated after the water in circulating water pool 100 enters in outer circulation secondary duct 500, to make
It obtains the water energy in circulating water pool 100 and enough faster, preferably carries out heat exchange with the external world, improve the water in circulating water pool 100
Cooling efficiency；Meanwhile outer circulation water lines 200 and secondary cycle pipeline 300 share outer circulation secondary duct 500, are also convenient for shield
The pipe arrangement of the external circulating water-cooled of system but device is saved so that but apparatus structure is compact for the external circulating water-cooled of shield system
Space.Along the length direction of outer circulation main pipeline 210 or the length direction of secondary cycle main pipeline 310, it can be set at least two
Outer circulation main pipeline 210 and secondary cycle are responsible for by a outer circulation secondary duct 500 by least two outer circulation secondary ducts 500
Road 310 is connected to, to increase the contact area of water and air, enhances cooling effect.
Further, but device further includes first switch valve (not shown), first switch to the external circulating water-cooled of shield system
Valve is used to control the conducting and cut-off of secondary cycle main pipeline 310.In this way, the water temperature in circulating water pool 100 is default less than first
When temperature, first switch valve ends secondary cycle main pipeline 310, avoids outer circulation water by secondary cycle main pipeline 310
And be directly entered in circulating water pool 100, guarantee the cooling effect of outer circulation water；When the water temperature in circulating water pool 100 is greater than first
Preset temperature and need to carry out the water in circulating water pool 100 secondary cycle it is cooling when, first switch valve makes secondary cycle master
Pipeline 310 is connected, that is, the water in circulating water pool 100 may make smoothly to enter in secondary cycle main pipeline 310 and carry out secondary
Circulating cooling.First switch valve can be set to air pressure valve, hydraulic valve or other can control leading for secondary cycle main pipeline 310
The logical element with cut-off.
Further, but device further includes the first check valve (not shown) to the external circulating water-cooled of shield system, and first is single
It is set in outer circulation main pipeline 210 to valve, the first check valve flows into outer circulation master from outer circulation secondary duct 500 for limiting water
In pipeline 210.In this way, using the circulating direction of the first check valve limitation water, i.e. the first check valve allows outer circulation water to follow from outside
Ring main pipeline 210 is flowed into outer circulation secondary duct 500, and is limited water and flowed into outer circulation main pipeline from outer circulation secondary duct 500
In 210, the reverse irrigation of water can be limited, guarantees that outer circulation water energy is enough and is smoothly discharged and is cooled down.First check valve can be
Spring or gravity type only need to meet and can select the flow direction of liquid.First check valve can be close to outer circulation
The outlet end of main pipeline 210 is arranged, and barriering effect is good.
In one embodiment, but device further includes that the first hydraulic pressure detecting element (does not show to the external circulating water-cooled of shield system
It is detected out) with the first pump housing (not shown), hydraulic pressure of the first hydraulic pressure detecting element in external circulating water line 200,
First pump housing is used to import the water in circulating water pool 100 in secondary cycle pipeline 300 and makes the water in secondary cycle pipeline 300
Pressure is greater than or equal to the hydraulic pressure in outer circulation water lines 200.In this way, if detecting, the water temperature in circulating water pool 100 is higher than first
Preset temperature is detected first with the hydraulic pressure of the external circulating water line 200 of the first hydraulic pressure detecting element, then opens secondary cycle
First pump housing of pipeline 300 and by circulating water pool 100 water import secondary cycle pipeline 300 in so that secondary cycle pipeline
Hydraulic pressure in 300 rises to more than or equal to the hydraulic pressure in outer circulation water lines 200, so that the water in circulating water pool 100
It can smoothly enter in secondary cycle pipeline 300 and carry out secondary cycle cooling.
Further, but device further includes the second hydraulic pressure detecting element (not shown) to the external circulating water-cooled of shield system, the
Two hydraulic pressure detecting elements are for detecting the hydraulic pressure in secondary cycle pipeline 300.In this way, utilizing the first hydraulic pressure detecting element
The hydraulic pressure of external circulating water line 200 is detected, using the second hydraulic pressure detecting element to the hydraulic pressure in secondary cycle pipeline 300
It is detected, is capable of the difference of hydraulic pressure in the hydraulic pressure and secondary cycle pipeline 300 in dynamic regulation outer circulation water lines 200,
It is in the difference of the hydraulic pressure in hydraulic pressure and secondary cycle pipeline 300 in outer circulation water lines 200 within the scope of preset pressure, keeps away
Exempt from outer circulation water occur because of the excessive hydraulic pressure being greater than in outer circulation water lines 200 of the hydraulic pressure in secondary cycle pipeline 300 to fall
The problem of filling, guarantees that outer circulation water energy is enough and is smoothly discharged and is cooled down.
In one embodiment, but device further includes release element (not shown), release to the external circulating water-cooled of shield system
Element is for reducing the hydraulic pressure in secondary cycle pipeline 300.Using secondary cycle pipeline 300 to the water in circulating water pool 100 into
During row secondary cycle is cooling, the water temperature drop in circulating water pool 100, when detect the water temperature in circulating water pool 100 with
The temperature difference of first preset temperature within the allowable range when, the hydraulic pressure in secondary cycle pipeline 300 can be adjusted and make secondary follow
Hydraulic pressure in endless tube road 300 slowly declines, and avoids persistently being greater than outer circulation water lines because of the hydraulic pressure in secondary cycle pipeline 300
Hydraulic pressure in 200 and influence outer circulation water lines 200 outer circulation water is imported in circulating water pool 100 carried out with external recirculated water it is cold
But, the reduction of the hydraulic pressure in secondary cycle pipeline 300 can be continueed to until the water temperature in circulating water pool 100 is equal to or less than
First preset temperature is sent into secondary cycle pipeline 300 so as to stop first pump housing for the water in circulating water pool 100；Specifically
Ground adjusts the hydraulic pressure in secondary cycle pipeline 300 and the hydraulic pressure in secondary cycle pipeline 300 is slowly declined, avoids by two
The hydraulic pressure for the water for entering outer circulation secondary duct 500 in secondary circulation main pipeline 310 is persistently greater than or is excessively greater than to be responsible for by outer circulation
The hydraulic pressure for entering the outer circulation water of outer circulation secondary duct 500 in road 210, prevents the problem of outer circulation water flows backward, and guarantees outer
Recirculated water can be continuously obtained cooling, can also make the water in the hydraulic pressure and secondary cycle pipeline 300 in outer circulation water lines 200
The difference of pressure gradually becomes smaller, and steps up the flow that outer circulation water enters outer circulation secondary duct 500, guarantees the cooling of outer circulation water
Efficiency.Release element can be pressure-relief valve or other can follow the element that hydraulic pressure is unloaded, pressure-relief valve close to secondary
The liquid feeding end on endless tube road 300 is arranged.
Based on any of the above embodiments, outer circulation secondary duct 500 is set as spiral shape or linear.Outer circulation pair
Easy to process when pipeline 500 is set as linear, production cost is low；When outer circulation secondary duct 500 is set as spiral shape, liquid out
Mouthfuls 510 are distributed along spiral course bearing, can further increase the contact area of water and air, extend connecing for water and air
It touches the time, the good cooling results of external recirculated water, the cooling effect of secondary cycle might as well.
Based on any of the above embodiments, but device further includes counter-flushing pipeline to the external circulating water-cooled of shield system
(not shown), counter-flushing pipeline are connected to outer circulation water lines 200 and secondary cycle pipeline 300.In this way, utilizing backwash tube
Road feeds flushing water in outer circulation water lines 200 and secondary cycle pipeline 300 to be rinsed to it, avoids using time mistake
It results in blockage after length.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore it is interpreted as the constraint to patent of invention range.It should be pointed out that for those of ordinary skill in the art, In
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of external circulating water-cooled of shield system but method, which comprises the following steps:
Outer circulation water is imported in circulating water pool using outer circulation water lines；
Water temperature in circulating water pool is detected；
If detecting, the water temperature in circulating water pool is higher than the first preset temperature, using secondary cycle pipeline in circulating water pool
It is cooling that water carries out secondary cycle.
2. the external circulating water-cooled of shield system according to claim 1 but method, which is characterized in that described using following outside
Ring water lines import outer circulation water in the step in circulating water pool, comprising: the outer circulation water is made to pass sequentially through outer circulation master
The outer circulation water is discharged into the circulating water pool by pipeline and outer circulation secondary duct by the outer circulation secondary duct, wherein
The diameter of the outer circulation main pipeline is greater than the diameter of the outer circulation secondary duct.
3. the external circulating water-cooled of shield system according to claim 2 but method, which is characterized in that pass through the outer circulation
The outer circulation water is discharged into the circulating water pool by the liquid outlet on the side wall of secondary duct.
4. the external circulating water-cooled of shield system according to any one of claims 1 to 3 but method, which is characterized in that in institute
It states and the water in circulating water pool is carried out in the cooling step of secondary cycle using secondary cycle pipeline, comprising:
Hydraulic pressure in the outer circulation water lines is detected, the water in circulating water pool is imported in the secondary cycle pipeline
And the hydraulic pressure in the secondary cycle pipeline is made to be greater than or equal to the hydraulic pressure in the outer circulation water lines；
It will be imported in the circulating water pool after water secondary cycle cooling in the secondary cycle pipeline.
5. the external circulating water-cooled of shield system according to claim 4 but method, which is characterized in that described to described outer
Hydraulic pressure in circulating water line is detected, and the water in circulating water pool is imported in the secondary cycle pipeline and made described secondary
In the step of hydraulic pressure in circulation line is greater than or equal to the hydraulic pressure in the outer circulation water lines, comprising:
Hydraulic pressure in the secondary cycle pipeline is detected, and make hydraulic pressure in the outer circulation water lines with it is described secondary
The difference of hydraulic pressure in circulation line is within the scope of preset pressure.
6. the external circulating water-cooled of shield system according to claim 4 but method, which is characterized in that described by described two
It is imported in the step in the circulating water pool after water secondary cycle cooling in secondary circulation line, comprising: make the circulating water pool
Interior water passes sequentially through secondary cycle main pipeline and outer circulation secondary duct, by the outer circulation secondary duct by the circulating water pool
Interior water is imported again in the circulating water pool, wherein the diameter of the secondary cycle main pipeline is greater than the outer circulation looped pipeline
The diameter in road.
7. the external circulating water-cooled of shield system according to claim 6 but method, which is characterized in that described by described two
After importing the step in the circulating water pool after water secondary cycle cooling in secondary circulation line, comprising:
Water temperature in circulating water pool is detected again；
If detecting, the temperature difference of the water temperature and first preset temperature in circulating water pool in the first preset temperature range, drops
Hydraulic pressure in the low secondary cycle pipeline.
8. a kind of external circulating water-cooled of shield system but device characterized by comprising
Circulating water pool；
Outer circulation water lines, the outer circulation water lines are used to import outer circulation water in the circulating water pool；
First temperature detecting element, first temperature detecting element is for detecting the water temperature in circulating water pool；And
Secondary cycle pipeline, the secondary cycle pipeline are used to carry out secondary cycle to the water in circulating water pool cooling.
9. the external circulating water-cooled of shield system according to claim 8 but device, which is characterized in that the outer circulation water pipe
Road includes outer circulation main pipeline and outer circulation secondary duct, and the secondary cycle pipeline includes secondary cycle main pipeline and follows outside described
Ring secondary duct, the outer circulation secondary duct are set between the outer circulation main pipeline and the secondary cycle main pipeline, pass through
The outer circulation secondary duct is connected to the outer circulation main pipeline and the secondary cycle main pipeline, and the outer circulation secondary duct is set
There is a liquid outlet, the diameter of the diameter of the outer circulation main pipeline and the secondary cycle main pipeline is all larger than the outer circulation looped pipeline
The diameter in road.
10. the external circulating water-cooled of shield system according to claim 8 but device, which is characterized in that further include the first water
Detecting element and first pump housing are pressed, the first hydraulic pressure detecting element is for examining the hydraulic pressure in the outer circulation water lines
It surveys, first pump housing is used to import the water in circulating water pool in the secondary cycle pipeline and makes the secondary cycle pipeline
Interior hydraulic pressure is greater than or equal to the hydraulic pressure in the outer circulation water lines.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666336.4A CN110486024A (en) | 2019-07-23 | 2019-07-23 | The external circulating water-cooled of shield system but method and its cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666336.4A CN110486024A (en) | 2019-07-23 | 2019-07-23 | The external circulating water-cooled of shield system but method and its cooling device |
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