CN107083985A - A kind of gold mine downhole cooling system - Google Patents
A kind of gold mine downhole cooling system Download PDFInfo
- Publication number
- CN107083985A CN107083985A CN201710393480.6A CN201710393480A CN107083985A CN 107083985 A CN107083985 A CN 107083985A CN 201710393480 A CN201710393480 A CN 201710393480A CN 107083985 A CN107083985 A CN 107083985A
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- CN
- China
- Prior art keywords
- cooling
- water
- cold end
- hot junction
- delivery outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 49
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000010931 gold Substances 0.000 title claims abstract description 14
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000498 cooling water Substances 0.000 claims abstract description 31
- 238000005057 refrigeration Methods 0.000 claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 8
- 238000007710 freezing Methods 0.000 claims abstract description 8
- 230000008014 freezing Effects 0.000 claims abstract description 8
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Abstract
The present invention relates to a kind of gold mine downhole cooling system, including setting cooling tower, pond of cooling tower and refrigeration unit on the ground and being arranged on the underground high-low pressure heat exchanger and air cooler of underground, the refrigeration unit is two of parallel connection in systems, including cooling water input, cooling water output, freezing water output and chilled water water return outlet, the underground high-low pressure heat exchanger includes hot junction input port, hot junction delivery outlet, cold end delivery outlet and cold end input port；The pond of cooling tower is connected through cooling water circulating pump with cooling water input, cooling water output is connected with cooling tower, water output is freezed after one-level chilled water circulating pump, it is connected with the hot junction input port, cold end delivery outlet is connected with several air coolers arranged side by side, it is connected after air cooler circulation, then by two grades of chilled water circulating pumps with the cold end input port, the hot junction delivery outlet is connected after pit shaft or drilling with the chilled water water return outlet.
Description
Technical field
The present invention relates to a kind of gold mine downhole cooling system, belong to refrigeration technology field.
Background technology
Adopt, dig, transporting etc. that each production link mechanization degree is high under mine, having used many power equipment and diesel engine to set
It is standby.According to theoretical calculation and it is actual measure, electrical equipment has 20% energy to translate into heat energy to be dispersed into air in operation
In；The heat energy that diesel engine is dispersed into air is even more reach its output mechanical energy 200%, and High-geotemperature is not only adopted to underground, dug
Working face influence is larger, and in underground, ore in transit, also has heat effect to air intake.
Big for mining depth, overtemperature working face number is more, distributed more widely, the big mine of chilling requirement, general using concentration
Refrigeration cool-down technology.
The key of central refrigerating falling temperature technique be how heat extraction (condensation waste heat).Underground refrigeration, the cooling of underground heat extraction
System is, it is necessary to special condensation heat air draft tunnel；Condensation temperature is high, and energy consumption for cooling is big, and refrigeration machine Energy Efficiency Ratio is usually less than 4；Well
Lower refrigeration, the cooling system of ground heat extraction, refrigeration unit condenser bear pressure height, and equipment needs import, and price is higher, condensation temperature
Degree is high, and energy consumption for cooling is big, and refrigeration machine Energy Efficiency Ratio is usually more than 4.
The content of the invention
The present invention is freezed for above-mentioned the deficiencies in the prior art there is provided a kind of use ground, the gold of ground heat extraction
Mine borehole cooling system, can select large-sized unit, is suitable for the larger type pit cooling system of chilling requirement.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of gold mine downhole cooling system, including cooling tower,
Pond of cooling tower, refrigeration unit, underground high-low pressure heat exchanger and air cooler, the cooling tower, pond of cooling tower and refrigeration unit
Set on ground, the air cooler and underground high-low pressure heat exchanger are arranged under mine, it is defeated that the refrigeration unit includes cooling water
Entrance, cooling water output, freezing water output and chilled water water return outlet, the underground high-low pressure heat exchanger include hot junction and cold
End, the hot junction includes hot junction input port and hot junction delivery outlet, and the cold end includes cold end delivery outlet and cold end input port；
The delivery outlet of the pond of cooling tower is connected through cooling water circulating pump with the cooling water input, the cooling water
Delivery outlet is connected with the cooling tower, it is described freezing water output after one-level chilled water circulating pump, by pit shaft or drilling with
The hot junction input port connection, the cold end delivery outlet is connected with air cooler several described, after being circulated through the air cooler, then
Be connected by two grades of chilled water circulating pumps with the cold end input port, the hot junction delivery outlet after pit shaft or drilling with it is described cold
Freeze the connection of water water return outlet.
Further, the refrigeration unit is two of the system that is connected in parallel on.
Further, the one-level chilled water circulating pump porch connection chilled water constant pressure water compensation apparatus.
Further, the cooling water circulating pump porch connection cooling water constant pressure water compensation apparatus.
Further, the one-level chilled water circulating pump is 3.
Further, two grades of chilled water circulating pumps are 3.
Further, the air cooler is 10.
The beneficial effects of the invention are as follows：Large-sized unit is can select, is suitable for the larger type pit cooling system of chilling requirement；Refrigeration machine
Condensation temperature is low, and energy consumption for cooling is low, and refrigeration machine Energy Efficiency Ratio is usually more than 5；Refrigeration system equipment is without particular/special requirement, home equipment
It disclosure satisfy that requirement.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the invention；
In the accompanying drawings, the list of designations represented by each label is as follows：1st, cooling tower, 2, pond of cooling tower pump, 3, cold
But water-circulating pump, 4, refrigeration unit, 4-1 cooling water inputs, 4-2, cooling water output, 4-3, freezing water output, 4-4,
Chilled water water return outlet, 5, one-level chilled water circulating pump, 6, pit shaft or drilling, 7, underground high-low pressure heat exchanger, 7-1, hot junction input
Mouthful, 7-2, hot junction delivery outlet, 7-3, cold end delivery outlet, 7-4, cold end input port, 8, two grades of chilled water circulating pumps, 9, air cooler.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, a kind of gold mine downhole cooling system, including cooling tower 1, pond of cooling tower 2, refrigeration unit 4, underground
High-low pressure heat exchanger 7 and air cooler 8, the cooling tower 1, pond of cooling tower 2 and refrigeration unit 4 are set on ground, the air cooling
Device 8 and underground high-low pressure heat exchanger 7 are arranged under mine, and the refrigeration unit 4 is two of the system that is connected in parallel on, two systems
The structure of cold group 4 is identical, including cooling water input 4-1, cooling water output 4-1, freezing water output 4-3 and chilled water are returned
Mouth of a river 4-4；The underground high-low pressure heat exchanger 7 includes hot junction and cold end, and the hot junction includes hot junction input port 7-1 and hot junction is defeated
7-2 is exported, the cold end includes cold end delivery outlet 7-3 and cold end input port 7-4；
The pond of cooling tower 2 is arranged on the lower section of the cooling tower 1, and the delivery outlet of the pond of cooling tower 2 is through cooling
Water-circulating pump 3 is connected with described cooling water input 4-1, and the cooling water temperature at the cooling water input 4-1 is 32 DEG C,
The cooling water output 4-2 is connected with the cooling tower 1, and the cooling water temperature at the cooling water output 4-2 is 38 DEG C；
Chilled water temperature at freezing the water output 4-3, the freezing water output 4-3 is 7 DEG C, is freezed through one-level
After water-circulating pump 5, it is connected by pit shaft or drilling 6 with the hot junction input port 7-1, the water temperature at the hot junction input port is 7
DEG C, the cold end delivery outlet 7-3 is connected with 10 air coolers 9 in parallel, and the water temperature at the cold end delivery outlet 7-3 is
2.5 DEG C, it is connected after the air cooler 10 circulation, then by two grades of chilled water circulating pumps 8 with the cold end input port 7-4, institute
It is 18 DEG C to state the water temperature at cold end input port 7-4, and the hot junction delivery outlet 7-2 is returned after pit shaft or drilling 6 with the chilled water
Mouth of a river 4-4 connections, place's water temperature of the chilled water water return outlet 4-4 is 18 DEG C of formation loops.
The porch of one-level chilled water circulating pump 5 connects chilled water constant pressure water compensation apparatus.
The porch of cooling water circulating pump 3 connects cooling water constant pressure water compensation apparatus.
The one-level chilled water circulating pump 5 and two grades of chilled water circulating pumps 8 are 3, wherein 2 in using shape
State, 1 is in stand-by state.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. a kind of gold mine downhole cooling system, it is characterised in that including cooling tower, pond of cooling tower, refrigeration unit, underground height
Heat exchanger and air cooler are pressed, the cooling tower, pond of cooling tower and refrigeration unit are set on ground, the air cooler and underground are high
Low pressure heat exchanger is arranged under mine, and the refrigeration unit includes cooling water input, cooling water output, freezing water output
With chilled water water return outlet, the underground high-low pressure heat exchanger includes hot junction and cold end, and the hot junction includes hot junction input port and heat
Delivery outlet is held, the cold end includes cold end delivery outlet and cold end input port；
The delivery outlet of the pond of cooling tower is connected through cooling water circulating pump with the cooling water input, the cooling water output
Mouthful be connected with the cooling tower, the water output that freezes after one-level chilled water circulating pump, by pit shaft or drilling with it is described
Hot junction input port is connected, and the cold end delivery outlet is connected with air cooler several described, after being circulated through the air cooler, then is passed through
Two grades of chilled water circulating pumps are connected with the cold end input port, the hot junction delivery outlet after pit shaft or drilling with the chilled water
Water return outlet is connected.
2. gold mine downhole cooling system according to claim 1, it is characterised in that the refrigeration unit is to be connected in parallel on system
Two.
3. gold mine downhole cooling system according to claim 1, it is characterised in that the one-level chilled water circulating pump entrance
Place's connection chilled water constant pressure water compensation apparatus.
4. according to the gold mine downhole cooling system described in claim 1, it is characterised in that the cooling water circulating pump porch connection
Cooling water constant pressure water compensation apparatus.
5. gold mine downhole cooling system according to claim 1, it is characterised in that the one-level chilled water circulating pump is 3
It is individual.
6. gold mine downhole cooling system according to claim 1, it is characterised in that two grades of chilled water circulating pumps are 3
It is individual.
7. gold mine downhole cooling system according to claim 1, it is characterised in that the air cooler is 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710393480.6A CN107083985A (en) | 2017-05-27 | 2017-05-27 | A kind of gold mine downhole cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710393480.6A CN107083985A (en) | 2017-05-27 | 2017-05-27 | A kind of gold mine downhole cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107083985A true CN107083985A (en) | 2017-08-22 |
Family
ID=59607640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710393480.6A Pending CN107083985A (en) | 2017-05-27 | 2017-05-27 | A kind of gold mine downhole cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107083985A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209466A (en) * | 2018-11-19 | 2019-01-15 | 中铁二局集团有限公司 | A kind of shield tunnel construction cooling device and cool-down method |
| CN110107335A (en) * | 2019-06-13 | 2019-08-09 | 山东博特瑞节能环保科技有限公司 | The big temperature difference cooling of well up and down Heshui ring type, heating system |
| CN111577370A (en) * | 2020-05-11 | 2020-08-25 | 河南理工大学 | Integrated mine local cooling system based on gradient enthalpy module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3124004A1 (en) * | 1981-06-19 | 1982-12-30 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Method of cooling air quantities in the face area, preferably in the area of the heading to be driven, with discharge of the heated liquid to the debris to be removed |
| CN102116166A (en) * | 2011-02-21 | 2011-07-06 | 武汉星田热环境控制技术有限公司 | Vacuum ice-making, refrigeration and cooling system for mine shaft |
| CN201953395U (en) * | 2011-01-26 | 2011-08-31 | 中青国能低碳技术(北京)有限公司 | Cooling device for mines |
| CN204060764U (en) * | 2014-08-27 | 2014-12-31 | 湖南有色冶金劳动保护研究院 | Refrigeration cooling device under a kind of mine |
| CN204082198U (en) * | 2014-07-09 | 2015-01-07 | 山东新雪矿井降温科技有限公司 | A kind of winter natural cooling source of utilizing carries out the type pit cooling system changed |
-
2017
- 2017-05-27 CN CN201710393480.6A patent/CN107083985A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3124004A1 (en) * | 1981-06-19 | 1982-12-30 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Method of cooling air quantities in the face area, preferably in the area of the heading to be driven, with discharge of the heated liquid to the debris to be removed |
| CN201953395U (en) * | 2011-01-26 | 2011-08-31 | 中青国能低碳技术(北京)有限公司 | Cooling device for mines |
| CN102116166A (en) * | 2011-02-21 | 2011-07-06 | 武汉星田热环境控制技术有限公司 | Vacuum ice-making, refrigeration and cooling system for mine shaft |
| CN204082198U (en) * | 2014-07-09 | 2015-01-07 | 山东新雪矿井降温科技有限公司 | A kind of winter natural cooling source of utilizing carries out the type pit cooling system changed |
| CN204060764U (en) * | 2014-08-27 | 2014-12-31 | 湖南有色冶金劳动保护研究院 | Refrigeration cooling device under a kind of mine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209466A (en) * | 2018-11-19 | 2019-01-15 | 中铁二局集团有限公司 | A kind of shield tunnel construction cooling device and cool-down method |
| CN110107335A (en) * | 2019-06-13 | 2019-08-09 | 山东博特瑞节能环保科技有限公司 | The big temperature difference cooling of well up and down Heshui ring type, heating system |
| CN111577370A (en) * | 2020-05-11 | 2020-08-25 | 河南理工大学 | Integrated mine local cooling system based on gradient enthalpy module |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170822 |
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| RJ01 | Rejection of invention patent application after publication |