CN207004482U - A kind of pit shaft heat-insulation system - Google Patents
A kind of pit shaft heat-insulation system Download PDFInfo
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- CN207004482U CN207004482U CN201720993359.2U CN201720993359U CN207004482U CN 207004482 U CN207004482 U CN 207004482U CN 201720993359 U CN201720993359 U CN 201720993359U CN 207004482 U CN207004482 U CN 207004482U
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- pit shaft
- water
- mine
- mine water
- insulation system
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Abstract
The utility model 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.The utility model utilizes the preferable mine water of water quality; realize that mine water residual heat is directly used in pit shaft insulation, realize the accurate control of pit shaft wind pushing temperature, realize cabinet type wind disk anti-frost protection; realize that power-off condition well-sinking heat-insulation system water flows, prevent pipeline, equipment from freezing.
Description
Technical field
The utility model belongs to mine energy conservation technical field, and in particular to a kind of pit shaft heat-insulation system.
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 turn 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, often because heat exchanger hot water side subtracts, cuts off the water supply, cause finned tube to freeze, break
Split, trigger accident.
Utility model content
The defects of in order to make up prior art, for the good colliery of mine water water quality, the utility model provides one kind
Pit shaft wind pushing temperature can be accurately controlled, and the pit shaft heat-insulation system for preventing finned heat exchanger from freezing.
The utility model is achieved by the following technical solution：
A kind of pit shaft heat-insulation system, including mine water storage tank, mine water drainage pipeline, mine water suction pump, pit shaft are protected
Warm water supply line, wind disk, pit shaft insulation water return pipeline；At least one wind disk is set in pit shaft room, and wind disk is used to blow to pit shaft
Heated, 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
Mine water suction pump is provided with, wind disk water side outlet is incubated water return pipeline by pit shaft and is connected with mine water drainage pipeline.
As further improvement of the utility model, 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 being used for the switch board for monitoring power conditions, and supply emergency protection action electricity
The ups power of power.
The wind disk is cabinet type wind disk（Finned heat exchanger）.The beneficial effects of the utility model are, preferable using water quality
Mine water, realize mine water residual heat be directly used in pit shaft insulation.The system can pass according to the temperature on pit shaft derrick
Sensor, cabinet type wind disk is controlled, realize the accurate control of pit shaft wind pushing temperature；The system on cabinet type wind disk by setting flow to open
Pass and air-valve, realize cabinet type wind disk anti-frost protection；The system passes through ups power emergency service, and Emergency water supply pipeline, emergent row
Waterpipe and its subsidiary non-return valve, electronic valve events, realize power-off condition well-sinking heat-insulation system water flow, prevent pipeline,
Equipment is freezed.
Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sensing and controlling system schematic diagram of the present utility model.
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 are incubated water supply line 7 by pit shaft and are 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 connects.
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 connects.
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 is incubated water return pipeline 14 and connects draining trench 17 by emergency drainage pipeline 15, is set on 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, ups power 21, and the power supply for switch board after power-off 22 is supplied, realized
Air-valve, the power supply of electronic valve events.
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 stores up to mine water
Water tank 4 supplies water.Then start mine water suction pump 6, water supply line 7 is incubated to each cabinet type wind disk 13 in pit shaft room 11 by pit shaft
Supply water.The each cabinet type backwater of wind disk 13 in pit shaft room 11, then pit shaft insulation water return pipeline 14 is pooled to, then passes through mine water draining
Pipeline 5, outside discharge system.
The cabinet type wind disk 13, pit shaft insulation water supply line 7, pit shaft insulation water return pipeline 14 form same journey pipe network system,
Six cabinet type water sides of wind disk 13 use journey arrangement, 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 include the control of pit shaft wind pushing temperature,
System anti-frost protection under the antifreeze control of cabinet type wind disk 13, power-off condition.
Pit shaft wind pushing temperature controls.
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, 4 temperature in wellbore sensors 19 are arranged symmetrically, detect temperature in wellbore
Sensor temperature signals.4 temperature signals control respectively carrys out the cabinet type wind disk of wind direction arrangement：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 corresponding cabinet type wind disk blower fan of control：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.
Cabinet type 13 antifreeze control of wind disk.
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, dynamic so as to touch flow switch 20
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 closes, 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 closes, 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 controls 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, cabinet type wind disk blower fan is closed, 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 supplies from ups power 21.
The utility model is not limited to above-mentioned embodiment, and anyone should learn what is made under enlightenment of the present utility model
There is same or like technical scheme with the utility model, each fall within the scope of protection of the utility model.
Technology that the utility model is not 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 connects.
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 are 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.
10. pit shaft heat-insulation system as claimed in claim 1, it is characterized in that, the side-entrance of wind disk wind is equipped with air-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993359.2U CN207004482U (en) | 2017-08-10 | 2017-08-10 | A kind of pit shaft heat-insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993359.2U CN207004482U (en) | 2017-08-10 | 2017-08-10 | A kind of pit shaft heat-insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207004482U true CN207004482U (en) | 2018-02-13 |
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ID=61458997
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720993359.2U Active CN207004482U (en) | 2017-08-10 | 2017-08-10 | A kind of pit shaft heat-insulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288582A (en) * | 2017-08-10 | 2017-10-24 | 山东诺德能源科技有限公司 | A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method |
-
2017
- 2017-08-10 CN CN201720993359.2U patent/CN207004482U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288582A (en) * | 2017-08-10 | 2017-10-24 | 山东诺德能源科技有限公司 | A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method |
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