CN107288582A - A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method - Google Patents
A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method Download PDFInfo
- Publication number
- CN107288582A CN107288582A CN201710678149.9A CN201710678149A CN107288582A CN 107288582 A CN107288582 A CN 107288582A CN 201710678149 A CN201710678149 A CN 201710678149A CN 107288582 A CN107288582 A CN 107288582A
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- Prior art keywords
- pit shaft
- cabinet type
- mine water
- water
- wind disk
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Links
- 238000009413 insulation Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 154
- 238000009790 rate-determining step (RDS) Methods 0.000 claims abstract description 14
- 230000002528 anti-freeze Effects 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000007710 freezing Methods 0.000 claims abstract description 5
- 230000008014 freezing Effects 0.000 claims abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/003—Insulating arrangements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of pit shaft heat-insulation system, including mine water storage tank, mine water drainage pipeline, mine water suction pump, pit shaft insulation water supply line, wind disk, pit shaft insulation water return pipeline；At least one wind disk is set outside pit shaft room, wind disk is used to carry out air-supply heating to the pit shaft in pit shaft room, wind Pan Shui side entrances are incubated water supply line by pit shaft and are connected with mine water storage tank, pit shaft insulation water supply line is provided with mine water suction pump, and wind disk water side outlet is incubated water return pipeline by pit shaft and is connected with mine water drainage pipeline.Present invention also offers system anti-frost protection rate-determining steps under a kind of pit shaft thermal-insulation control method, including pit shaft wind pushing temperature rate-determining steps, the cabinet type antifreeze rate-determining steps of wind disk, power-off condition.The present invention utilizes mine water, realizes that mine water residual heat is incubated for pit shaft, realizes the accurate control of pit shaft wind pushing temperature, realize cabinet type wind disk anti-frost protection, realizes that power-off condition well-sinking heat-insulation system water flows, prevents pipeline, equipment from freezing.
Description
Technical field
The invention belongs to mine energy conservation technical field, and in particular to a kind of pit shaft heat-insulation system and pit shaft preservation and controlling side
Method.
Background technology
Mine shaft is incubated, and is that mine Winter safety produces indispensable link.
At present, pit shaft insulation is general all provides thermal source using coal-burning boiler.By national environmental protection policy implication, mine shaft is protected
The small scall coal-fired boiler of temperature configuration, which faces, closes down.Therefore, the abundant colliery of mine water, mine water residual heat resource turns into pit shaft winter
It is incubated high-quality thermal source.
But, limited by the structure of hot water-wind heat exchanger-finned heat exchanger, and heat pump, water pump system stop, powered off
Influence, the pit shaft being incubated using mine water residual heat is often subtracted because of heat exchanger hot water side, cut off the water supply, causes finned tube to freeze, break
Split, trigger accident.
The content of the invention
, can the invention provides one kind for the good colliery of mine water water quality in order to make up the defect of prior art
Accurate control pit shaft wind pushing temperature, and prevent pit shaft heat-insulation system and pit shaft preservation and controlling side that finned heat exchanger freezes
Method.
The present invention is achieved through the following technical solutions：
A kind of pit shaft heat-insulation system, including the insulation of mine water storage tank, mine water drainage pipeline, mine water suction pump, pit shaft are supplied
Waterpipe, wind disk, pit shaft insulation water return pipeline；At least one wind disk is set in pit shaft room, and wind disk, which is used to blow to pit shaft, to be carried out
Heating, wind Pan Shui side entrances are incubated water supply line by pit shaft and are connected with mine water storage tank, are set on pit shaft insulation water supply line
There is mine water suction pump, wind disk water side outlet is incubated water return pipeline by pit shaft and is connected with mine water drainage pipeline.
As a further improvement on the present invention, the wind disk is six.
The pit shaft heat-insulation system also includes mine pond (preferably mine water clear water reserviors), and mine pond passes through mine water
Draining pump is connected with mine water storage tank.
Mine pond also passes sequentially through mine water draining pump, by-passing valve and mine water drainage pipeline and connected.
Mine water storage tank is also directly connected with mine water drainage pipeline.
The pit shaft heat-insulation system also includes Emergency water supply pipeline, and Emergency water supply pipeline one end connects mine water storage tank,
The Emergency water supply pipeline other end is incubated water supply line by pit shaft and connects wind disk, and Emergency water supply pipeline is provided with non-return valve.
Pit shaft is incubated water return pipeline and connects draining trench by emergency drainage pipeline, and emergency drainage pipeline is provided with electronic
Valve.
The mine water storage tank is higher than draining trench.
Pit shaft room is externally provided with outdoor temperature sensor.
Temperature in wellbore sensor is set around pit shaft.
Wind Pan Shui side entrances are equipped with flow switch.
The side-entrance of wind disk wind is equipped with air-valve.
The pit shaft heat-insulation system also includes the switch board for being used to monitor power conditions, and supply emergency protection action electricity
The ups power of power.
The wind disk is cabinet type wind disk（Finned heat exchanger）.
Present invention also offers a kind of pit shaft thermal-insulation control method, including pit shaft wind pushing temperature rate-determining steps, cabinet type wind disk
System anti-frost protection rate-determining steps under antifreeze rate-determining steps, power-off condition.
The pit shaft wind pushing temperature rate-determining steps, detect outdoor temperature sensor temperature, as 5 DEG C of outdoor temperature ＜, close
By-passing valve is closed, is supplied water to mine water storage tank；As 3 DEG C of outdoor temperature ＜, start mine water suction pump；As outdoor temperature ＜ 2
DEG C, cabinet type wind disk entrance air-valve is opened, heating realizes that pit shaft is blown；When outdoor temperature >=3 DEG C, close cabinet type wind disk and enter one's intention as revealed in what one says
Valve；When outdoor temperature >=5 DEG C, stop mine water suction pump.
Temperature in wellbore sensor temperature signals are detected, 4 temperature signals control to carry out the cabinet type wind disk of wind direction arrangement respectively：
A sensors control the cabinet type wind disks of a, d two, the B sensors control cabinet type wind disks of b, the C sensors control cabinet type wind disks of c, f two, D
Sensor controls the cabinet type wind disks of e.According to sensor temperature signals size, the running frequency of the cabinet type wind disk blower fan of control correspondence：When
During temperature sensor temperature signal >=2 DEG C, frequency is reduced, as 2 DEG C of temperature sensor temperature signal ＜, increases frequency.Work as room
Outer 2 DEG C of temperature ＜, pit shaft wind pushing temperature >=3 DEG C, blower fan continue to run more than 10 minutes in low-limit frequency, then close down blower fan, directly
It is again started up during to 2 DEG C of pit shaft wind pushing temperature ＜.
The cabinet type antifreeze rate-determining steps of wind disk, when heat-transfer pipe water side freezes in cabinet type wind disk, touch flow switch and move
Make.The actuating range of flow switch is set as the 50 ~ 70% of cabinet type wind disk metered flow：When flow is less than the 50% of metered flow,
Flow switch is closed, and cabinet type wind disk blower fan is out of service, if flow switch closed state continues 10 minutes, cabinet type wind disk entrance
Air-valve is closed；After flow switch closure, treat that actual flow is raised to more than the 70% of metered flow, flow switch is opened, if flow
Switch open state continues 90 seconds, starts cabinet type wind disk blower fan.
System anti-frost protection rate-determining steps under power-off condition, if there is system blackout under the conditions of 0 DEG C of outdoor temperature ＜,
Then：Close cabinet type wind disk entrance air-valve, close cabinet type wind disk blower fan, open motor-driven valve, by mine water storage tank and draining
Difference in height between ditch, realizes the flowing of mine water in pit shaft thermo-insulating pipe line, prevents pipeline, cabinet type wind disk from freezing.
The beneficial effects of the invention are as follows using the preferable mine water of water quality, realize that mine water residual heat is directly used in pit shaft guarantor
Temperature.The system can control cabinet type wind disk, realize the essence of pit shaft wind pushing temperature according to the temperature sensor on pit shaft derrick
Really control；The system realizes cabinet type wind disk anti-frost protection by setting flow switch and air-valve on cabinet type wind disk；The system is led to
Ups power emergency service, and Emergency water supply pipeline, emergency drainage pipeline and its subsidiary non-return valve, electronic valve events are crossed, are realized
Power-off condition well-sinking heat-insulation system water flows, and prevents pipeline, equipment from freezing.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the invention.
Fig. 2 is sensing and controlling system schematic diagram of the invention.
In figure, 1, mine water clear water reserviors, 2, mine water draining pump, 3, by-passing valve, 4, mine water storage tank, 5, mine water row
Waterpipe, 6, mine water suction pump, 7, pit shaft insulation water supply line, 8, Emergency water supply pipeline, 9, non-return valve, 10, air-valve, 11,
Pit shaft room, 12, pit shaft, 13, cabinet type wind disk, 14, pit shaft insulation water return pipeline, 15, emergency drainage pipeline, 16, motor-driven valve, 17,
Draining trench, 18, outdoor temperature sensor, 19, temperature in wellbore sensor, 20, flow switch, 21, ups power, 22, control
Cabinet.
Embodiment
As Figure 1-Figure 2, a kind of pit shaft heat-insulation system, including：Mine water clear water reserviors 1, mine water draining pump 2, bypass
Valve 3, mine water storage tank 4, mine water drainage pipeline 5, mine water suction pump 6, pit shaft insulation water supply line 7, Emergency water supply pipe
Road 8, non-return valve 9, air-valve 10, pit shaft room 11, pit shaft 12, cabinet type wind disk 13, pit shaft insulation water return pipeline 14, emergency drainage pipeline
15, motor-driven valve 16, draining trench 17, outdoor temperature sensor 18, temperature in wellbore sensor 19, flow switch 20, ups power
21, switch board 22.
The external symmetry of pit shaft room 11 sets six cabinet type wind disks 13, and cabinet type wind disk 13 is used to enter the pit shaft 12 in pit shaft room 11
Row air-supply heating, the cabinet type water side entrance of wind disk 13 is incubated water supply line 7 by pit shaft and is connected with mine water storage tank 4, and pit shaft is protected
Warm water supply line 7 is provided with mine water suction pump 6, and the cabinet type water side outlet of wind disk 13 is incubated water return pipeline 14 and mine by pit shaft
Water drainage pipeline 5 is connected.
Mine water clear water reserviors 1 are connected by mine water draining pump 2 with mine water storage tank 4, and mine water clear water reserviors 1 are also successively
It is connected by mine water draining pump 2, by-passing valve 3 with mine water drainage pipeline 5, mine water storage tank 4 is also directly arranged with mine water
Waterpipe 5 is connected.
The one end of Emergency water supply pipeline 8 connection mine water storage tank 4, the other end of Emergency water supply pipeline 8 is incubated by pit shaft and supplied
Waterpipe 7 connects cabinet type wind disk 13, and Emergency water supply pipeline 8 is provided with non-return valve 9.
Pit shaft insulation water return pipeline 14 is connected by emergency drainage pipeline 15 to be set on draining trench 17, emergency drainage pipeline 15
There is motor-driven valve 16.
The cabinet type water side entrance of wind disk 13 is equipped with flow switch 20.
The cabinet type wind side-entrance of wind disk 13 is equipped with air-valve 10.
Outdoor temperature sensor 18 is provided with the external sunshade of pit shaft room 11.
The derrick surrounding of pit shaft 12 sets temperature in wellbore sensor 19, and temperature in wellbore sensor 19 is four, respectively A,
B, C and D, from the ground at 300mm.
Switch board 22 is used to monitor power conditions, and ups power 21, the power supply for switch board after power-off 22 is supplied, realized
Air-valve, electronic valve events are powered.
Mine water storage tank 4 is elevated tank, is built on ground, higher than 1 ~ 2 meter of 11 ground of pit shaft room.
When the present embodiment carries out pit shaft insulation in the winter time, by-passing valve 3 is closed, realizes that mine water draining pump 2 is stored up to mine water
Water tank 4 supplies water.Then start mine water suction pump 6, by pit shaft be incubated water supply line 7 to pit shaft room 11 each cabinet type wind disk 13
Supply water.Each the cabinet type backwater of wind disk 13 of pit shaft room 11, then be pooled to pit shaft insulation water return pipeline 14, then pass through mine water draining
Outside pipeline 5, discharge system.
The cabinet type wind disk 13, pit shaft insulation water supply line 7, pit shaft insulation water return pipeline 14 constitute same journey pipe network system,
Six cabinet type water sides of wind disk 13 are used to be arranged with journey, i.e.,：Mine water flows through each cabinet type wind disk since mine water suction pump 6
13, mine water drainage pipeline 5 is returned to, all path lengths are all identical.
The present embodiment additionally provides the control method of pit shaft heat-insulation system, control process comprising the control of pit shaft wind pushing temperature,
System anti-frost protection under the cabinet type antifreeze control of wind disk 13, power-off condition.
Pit shaft wind pushing temperature is controlled.
1 outdoor temperature sensor 18 is disposed at the external sunshade of pit shaft room 11.Outdoor temperature sensor temperature signal is detected,
As 5 DEG C of outdoor temperature ＜, by-passing valve 3 is closed, is supplied water to mine water storage tank 4；As 3 DEG C of outdoor temperature ＜, start mine
Water suction pump 6；As 2 DEG C of outdoor temperature ＜, cabinet type wind disk entrance air-valve is opened, heating realizes that pit shaft is blown；When outdoor temperature >=3
DEG C when, close cabinet type wind disk entrance air-valve；When outdoor temperature >=5 DEG C, stop mine water suction pump 6.
The pit shaft derrick surrounding at away from ground 300mm, is arranged symmetrically 4 temperature in wellbore sensors 19, detects temperature in wellbore
Sensor temperature signals.4 temperature signals control to carry out the cabinet type wind disk of wind direction arrangement respectively：A sensors control a, d two is cabinet type
Wind disk, the B sensors control cabinet type wind disks of b, the C sensors control cabinet type wind disks of c, f two, the D sensors control cabinet type wind disks of e.Root
According to sensor temperature signals size, the running frequency of the cabinet type wind disk blower fan of control correspondence：When temperature sensor temperature signal >=2 DEG C
When, frequency is suitably reduced, as 2 DEG C of temperature sensor temperature signal ＜, suitably increases frequency.When 2 DEG C of outdoor temperature ＜, pit shaft
Wind pushing temperature >=3 DEG C, blower fan continue to run more than 10 minutes in low-limit frequency, then close down blower fan, until pit shaft wind pushing temperature ＜ 2
DEG C when be again started up.
The cabinet type antifreeze control of wind disk 13.
Each cabinet type feed water inlet of wind disk 13 is equipped with flow switch 20.When heat-transfer pipe water side freezes in cabinet type wind disk 13
When, because ice occupies part circulation area, therefore the water-carrying capacity of cabinet type wind disk 13 can be reduced, and be moved so that flow switch 20 can be touched
Make.
The actuating range of flow switch 20 is set as the 50 ~ 70% of the cabinet type metered flow of wind disk 13：Flow is less than metered flow
50% when, flow switch 20 is closed, and cabinet type wind disk blower fan is out of service, if the closed state of flow switch 20 continues 10 minutes,
Cabinet type wind disk entrance air-valve is closed；After flow switch 20 is closed, treat that actual flow is raised to more than the 70% of metered flow, flow is opened
Close 20 to open, if the open state of flow switch 20 continues 90 seconds, start cabinet type wind disk blower fan.
System anti-frost protection is controlled under power-off condition.
Switch board 22 monitors power conditions.If there is system blackout under the conditions of 0 DEG C of outdoor temperature ＜,：Close cabinet type
Wind disk entrance air-valve, closes cabinet type wind disk blower fan, motor-driven valve 16 is opened, by between mine water storage tank 4 and draining trench 17
Difference in height, realize the flowing of mine water in pit shaft thermo-insulating pipe line, prevent pipeline, cabinet type wind disk from freezing.Control system is emergent to protect
Shield action electric power is supplied from ups power 21.
The present invention is not limited to the above-described embodiments, anyone should learn the present invention enlightenment under make with the present invention
With same or like technical scheme, each fall within protection scope of the present invention.
The technology of the invention not being described in detail, shape, construction part are known technology.
Claims (10)
1. a kind of pit shaft heat-insulation system, it is characterized in that, including mine water storage tank, mine water drainage pipeline, mine water suction pump,
Pit shaft insulation water supply line, wind disk, pit shaft insulation water return pipeline；At least one wind disk is set outside pit shaft room, and wind disk is used for well
Pit shaft in cylinder room carries out air-supply heating, and wind Pan Shui side entrances are incubated water supply line by pit shaft and are connected with mine water storage tank,
Pit shaft insulation water supply line is provided with mine water suction pump, and wind disk water side outlet is incubated water return pipeline by pit shaft and arranged with mine water
Waterpipe is connected.
2. pit shaft heat-insulation system as claimed in claim 1, it is characterized in that, the pit shaft heat-insulation system also includes mine pond,
Mine pond is connected by mine water draining pump with mine water storage tank.
3. pit shaft heat-insulation system as claimed in claim 2, it is characterized in that, mine pond also pass sequentially through mine water draining pump,
By-passing valve is connected with mine water drainage pipeline.
4. pit shaft heat-insulation system as claimed in claim 1, it is characterized in that, the pit shaft heat-insulation system also includes Emergency water supply pipe
Road, Emergency water supply pipeline one end connection mine water storage tank, the Emergency water supply pipeline other end is incubated water supply line by pit shaft and connected
Give a dinner for a visitor from afar disk, Emergency water supply pipeline is provided with non-return valve.
5. pit shaft heat-insulation system as claimed in claim 1, it is characterized in that, pit shaft insulation water return pipeline passes through emergency drainage pipeline
Draining trench is connected, emergency drainage pipeline is provided with motor-driven valve.
6. pit shaft heat-insulation system as claimed in claim 1, it is characterized in that, the mine water storage tank is higher than draining trench.
7. pit shaft heat-insulation system as claimed in claim 1, it is characterized in that, pit shaft room is externally provided with outdoor temperature sensor.
8. pit shaft heat-insulation system as claimed in claim 1, it is characterized in that, temperature in wellbore sensor is set around pit shaft.
9. pit shaft heat-insulation system as claimed in claim 1, it is characterized in that, wind Pan Shui side entrances are equipped with flow switch, wind disk wind
Side-entrance is equipped with air-valve.
10. a kind of pit shaft thermal-insulation control method, it is characterized in that, including pit shaft wind pushing temperature rate-determining steps, the antifreeze control of cabinet type wind disk
System anti-frost protection rate-determining steps under step processed, power-off condition；
The pit shaft wind pushing temperature rate-determining steps, detect outdoor temperature sensor temperature, as 5 DEG C of outdoor temperature ＜, close other
Port valve, supplies water to mine water storage tank；As 3 DEG C of outdoor temperature ＜, start mine water suction pump；As 2 DEG C of outdoor temperature ＜, beat
Cabinet type wind disk entrance air-valve is driven, heating realizes that pit shaft is blown；When outdoor temperature >=3 DEG C, cabinet type wind disk entrance air-valve is closed；When
During outdoor temperature >=5 DEG C, stop mine water suction pump；
Temperature in wellbore sensor temperature signals are detected, 4 temperature signals control to carry out the cabinet type wind disk of wind direction arrangement respectively：A is passed
Sensor controls the cabinet type wind disks of a, d two, the B sensors control cabinet type wind disks of b, the C sensors control cabinet type wind disks of c, f two, D sensings
Device controls the cabinet type wind disks of e；According to sensor temperature signals size, the running frequency of the cabinet type wind disk blower fan of control correspondence：Work as temperature
During sensor temperature signals >=2 DEG C, frequency is reduced, as 2 DEG C of temperature sensor temperature signal ＜, increases frequency；Work as outdoor temp
2 DEG C of ＜ of degree, pit shaft wind pushing temperature >=3 DEG C, blower fan continue to run more than 10 minutes in low-limit frequency, then close down blower fan, until well
It is again started up during 2 DEG C of cylinder wind pushing temperature ＜；
The cabinet type antifreeze rate-determining steps of wind disk, when heat-transfer pipe water side freezes in cabinet type wind disk, touch flow switch action；If
The actuating range of constant flow switch is the 50 ~ 70% of cabinet type wind disk metered flow：When flow is less than the 50% of metered flow, flow is opened
Close and close, cabinet type wind disk blower fan is out of service, if flow switch closed state continues 10 minutes, cabinet type wind disk entrance air-valve is closed
Close；After flow switch closure, treat that actual flow is raised to more than the 70% of metered flow, flow switch is opened, if flow switch is opened
State continues 90 seconds, starts cabinet type wind disk blower fan；
System anti-frost protection rate-determining steps under power-off condition, if there is system blackout under the conditions of 0 DEG C of outdoor temperature ＜,：Close
Cabinet type wind disk entrance air-valve is closed, cabinet type wind disk blower fan is closed, motor-driven valve is opened, by between mine water storage tank and draining trench
Difference in height, realize the flowing of mine water in pit shaft thermo-insulating pipe line, prevent pipeline, cabinet type wind disk from freezing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710678149.9A CN107288582A (en) | 2017-08-10 | 2017-08-10 | A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710678149.9A CN107288582A (en) | 2017-08-10 | 2017-08-10 | A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107288582A true CN107288582A (en) | 2017-10-24 |
Family
ID=60104856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710678149.9A Pending CN107288582A (en) | 2017-08-10 | 2017-08-10 | A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107288582A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194052A (en) * | 2017-12-14 | 2018-06-22 | 山东宜美科节能服务有限责任公司 | A kind of mine water residual heat direct heating system |
| CN110331945A (en) * | 2019-03-27 | 2019-10-15 | 中国石油大学(华东) | Polar region drilling platforms derrick Heat preservation experimental provision and experimental method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105577U (en) * | 1991-11-12 | 1992-05-27 | 苏振扬 | Wind driving impeller submerged pump |
| CN201460813U (en) * | 2009-05-13 | 2010-05-12 | 鹿松年 | Wellhead anti-freezing heating system by using mine water residual heat to supply heat |
| CN101845945A (en) * | 2010-04-01 | 2010-09-29 | 芬雷选煤工程技术(北京)有限公司 | Well head heater taking heat pump as heat source |
| CN103147783A (en) * | 2013-02-20 | 2013-06-12 | 武汉星田热环境控制技术有限公司 | Mining winter cooling and mine heat utilization system |
| CN106196663A (en) * | 2016-08-31 | 2016-12-07 | 中矿金业股份有限公司 | Extract underground hydro-thermal insulation wellbore system and pit shaft heat preserving method |
| CN207004482U (en) * | 2017-08-10 | 2018-02-13 | 山东诺德能源科技有限公司 | A kind of pit shaft heat-insulation system |
-
2017
- 2017-08-10 CN CN201710678149.9A patent/CN107288582A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105577U (en) * | 1991-11-12 | 1992-05-27 | 苏振扬 | Wind driving impeller submerged pump |
| CN201460813U (en) * | 2009-05-13 | 2010-05-12 | 鹿松年 | Wellhead anti-freezing heating system by using mine water residual heat to supply heat |
| CN101845945A (en) * | 2010-04-01 | 2010-09-29 | 芬雷选煤工程技术(北京)有限公司 | Well head heater taking heat pump as heat source |
| CN103147783A (en) * | 2013-02-20 | 2013-06-12 | 武汉星田热环境控制技术有限公司 | Mining winter cooling and mine heat utilization system |
| CN106196663A (en) * | 2016-08-31 | 2016-12-07 | 中矿金业股份有限公司 | Extract underground hydro-thermal insulation wellbore system and pit shaft heat preserving method |
| CN207004482U (en) * | 2017-08-10 | 2018-02-13 | 山东诺德能源科技有限公司 | A kind of pit shaft heat-insulation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194052A (en) * | 2017-12-14 | 2018-06-22 | 山东宜美科节能服务有限责任公司 | A kind of mine water residual heat direct heating system |
| CN110331945A (en) * | 2019-03-27 | 2019-10-15 | 中国石油大学(华东) | Polar region drilling platforms derrick Heat preservation experimental provision and experimental method |
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