CN109707432A - The method of the major-minor fan automatic conversion multi fan station ventilation system in underground - Google Patents
The method of the major-minor fan automatic conversion multi fan station ventilation system in underground Download PDFInfo
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- CN109707432A CN109707432A CN201910151403.9A CN201910151403A CN109707432A CN 109707432 A CN109707432 A CN 109707432A CN 201910151403 A CN201910151403 A CN 201910151403A CN 109707432 A CN109707432 A CN 109707432A
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Abstract
The invention discloses a kind of methods of the major-minor fan automatic conversion multi fan station ventilation system in underground, comprising the following steps: S1, entire production period is divided into ventilation and is easy period, ventilation two stages of hard time in conjunction with mining depth according to mine capacity planning；S2, respectively to mine ventilation be easy period, divulge information hard time ventilation network carry out simulation resolving；S3, divulging information, the period of being easy establishes Ventilation by main and auxiliary fans system；S4, multi fan station ventilation system is established in ventilation hard time.The present invention sufficiently combines Ventilation by main and auxiliary fans management simply and Multi-stage station ventilation the advantages of low energy consumption, the period of being easy of divulging information use underground Ventilation by main and auxiliary fans, and engineering and Fan Equipment are with low investment, without taking over the land for use, facilitate ventilating management；Hard time of divulging information is easy period main fan as II grade of machine station blower using ventilation and carries out relay, and cost of management is low, and energy-saving effect is significant；Overcome the big problem of mine ventilation system front and back phase wind pressure difference.
Description
Technical field
The invention belongs to the major-minor fans of underground metalliferous mine and non-metal mine aeration technology field more particularly to a kind of underground certainly
The method that turn changes multi fan station ventilation system.
Background technique
Underground metalliferous mine and nonmetallic ore exploitation in, with mineral resources exploitation consume, force most of mines by
Superficial part is transferred to deep mining, and mine ventilation system is also transferred to ventilation hard time by the period of being easy of divulging information therewith.When ventilation is difficult
Phase sharply lengthens compared to the period of being easy of divulging information, system into, return air route, and ventilating system wind pressure increased dramatically, and ventilation is caused to be easy
Period and ventilation hard time wind pressure difference are big.
Currently, underground metalliferous mine and nonmetallic ore are all made of single Ventilation by main and auxiliary fans in the entire length of service of mine
System or multi fan station ventilation system.According to single Ventilation by main and auxiliary fans, then main pectinid need to be carried out according to hard time operating condition
The type selecting and setting of machine, cause easy period main fan low efficiency of divulging information, and energy consumption is high；It is logical according to single Multi stages ventilation
Wind, then the machine station blower quantity that will lead to the period of being easy of divulging information is more, and management is difficult, and the machine station blower that the period of being easy of divulging information is installed
It is unable to satisfy ventilation hard time operating condition, can not be continued in hard time, blower needs overlapping investment.
Authorization Notice No. is the Chinese patent of CN203145985U, discloses a kind of ventilation of down-hole multilevel machine station concentration of local
Ventilating system is divided into mutually independent one or more concentration of local air inlet-concentration of local return air by structure, the aeration structure
And/or Topical Dispersion air inlet-concentration of local air return structure, for solving deep mining, Multi-stage station ventilation less effective and lead
The problem of ventilating system of cause distinguished and admirable disorder.But the aeration structure is both needed to setting return fan station, blower number in each tailgate
Amount is more, investment is high, management is difficult, and ventilation is easy period and the wind net processing mode of hard time is identical, is not suitable for ventilation and is easy
Period and the big mine of hard time wind pressure difference of divulging information.
Summary of the invention
The purpose of the present invention is to solve the shortcomings of the prior art place, it is easy by divulging information to provide a kind of mine ventilation system
Period be transferred to ventilation hard time wind pressure difference it is small, ventilation low energy consumption, blower quantity is few, invest it is low, manageable underground is major-minor
The method for fanning automatic conversion multi fan station ventilation system.
The method of the major-minor fan automatic conversion multi fan station ventilation system in this underground provided by the invention, including following step
It is rapid:
S1, entire production period is divided into ventilation and is easy period, ventilation in conjunction with mining depth according to mine capacity planning
Two stages of hard time
Using the middle section back production period for being located at mine superficial part as the period of being easy of divulging information, the middle section back production of mine deep part will be located at
Period is as ventilation hard time；Pass through total windstone gate and returnairshaft and the ventilating shaft of falling section phase positioned at the uppermost middle section of superficial part
It is logical, pass through middle section windstone gate and the ventilating shaft of falling section phase positioned at other middle sections of mine superficial part and positioned at the middle section of mine deep part
It is logical；
S2, respectively to mine ventilation be easy period, divulge information hard time ventilation network carry out simulation resolving
Divulge information the period of being easy, resolved by simulation determine the air quantity of main fan installation point and wind pressure at total windstone gate,
The air quantity of remote auto damper installation point at the windstone gate of middle section；When hard time simulation of divulging information resolves, keeping divulging information
On the basis of easy period main fan duty parameter is constant, I grade of machine station blower dress at the windstone gate of mine deep part middle section is determined
The air quantity and wind pressure of machine point；
S3, divulging information, the period of being easy establishes Ventilation by main and auxiliary fans system
Determining duty parameter is resolved to main fan type selecting according to simulation, and main fan is mounted in total windstone gate
At the installation point of setting；Remote auto damper is mounted at the installation point set in each middle section windstone gate, remotely certainly
Dynamic damper resolves determining duty parameter according to simulation and each middle section air quantity is adjusted, by main fan and it is each it is long-range from
Dynamic damper co-operation constitutes the underground Ventilation by main and auxiliary fans system in the period of being easy of divulging information；
S4, multi fan station ventilation system is established in ventilation hard time
Determining duty parameter is resolved to I grade of machine station Fan Selection, by I grade of machine station assembling in mine depth according to simulation
At the installation point set in the windstone gate of portion middle section, on the basis of keeping mounted main fan operating point constant, it will lead
Ventilating fan carries out co-operation as II grade of machine station blower and I grade of machine station blower, constitutes the down-hole multilevel machine of ventilation hard time
It stands ventilating system.
Further, in above-mentioned steps S2, simulation solution is carried out to ventilation network using mine three-dimensional ventilation simulation system
It calculates.
Compared with prior art, the invention has the following advantages that
1, it divulges information the period of being easy in mine superficial part back production, is transported using main fan and remote auto damper co-operation
The mode of work forms Ventilation by main and auxiliary fans system, is easy period system wind pressure to overcome to divulge information, meets the period of being easy ventilation of divulging information
It is required that；In mine deep part back production ventilation hard time, by the way that I grade of machine station blower is arranged at the windstone gate of deep middle section, simultaneously
Relay is carried out as II grade of machine station blower using the main fan in the period of being easy of divulging information, major-minor fan is automatically converted to Multi stages ventilation
Ventilating system, to overcome ventilation hard time system wind pressure, meet ventilation hard time air-conditioning requirement, thus meet mine by
Ventilation is easy the change of divergence for being transferred to ventilation hard time wind pressure in period.
2, in the period of being easy of divulging information, main fan is only set and remote auto damper forms underground Ventilation by main and auxiliary fans；
In ventilation hard time, I grade of machine station blower is only set at the windstone gate of deep middle section, while being easy period main fan using former divulge information
Blower is automatically converted to Multi stages ventilation as II grade of machine station blower relay, by major-minor fan, equal compared in the entire length of service of mine
Using single multi fan station ventilation system, divulging information, easy period blower quantity is few, and ventilation hard time Fan Equipment is without repeating
Investment, and it is not necessary that machine station blower is arranged in each middle section air return lane in underground, to greatly reduce blower quantity and corresponding cave
Room construction investment, facilitates ventilating management.
3, by the way that main fan, remote auto damper and I grade of machine station blower are located at underground, earth's surface, nothing are not located at
It needs to take over the land for use.
4, ventilation easy period uses the underground Ventilation by main and auxiliary fans to match with operating conditions such as stage system air quantity, the wind pressure,
Compared to the system for being all made of single Ventilation by main and auxiliary fans in the entire length of service of mine, easy period installed power of divulging information is smaller, energy
It consumes lower.
5, all blowers are installed in underground, avoid influence of the fan noise to shaft mouth operation personnel.
The present invention sufficiently combines Ventilation by main and auxiliary fans management simply and Multi-stage station ventilation the advantages of low energy consumption, ventilation are easy
Period uses underground Ventilation by main and auxiliary fans, and engineering and Fan Equipment are with low investment, without expropriation of land, facilitates ventilating management；When ventilation is difficult
Phase carries out relay as II grade of machine station blower using the period of being easy of divulging information main fan, and cost of management is low, and energy-saving effect is significant；Overcome mine
Phase wind pressure difference is big before and after well ventilating system, and single Ventilation by main and auxiliary fans energy consumption is high, and single Multi stages ventilation blower quantity is more, invests
Problem high, management is difficult, especially suitable for being transferred to deep mining by superficial part, the divulge information period of being easy and ventilation hard time leeway
Different big mine ventilation.
Detailed description of the invention
Fig. 1 is that present invention ventilation is easy period ventilating system schematic diagram.
Fig. 2 is present invention ventilation hard time ventilating system schematic diagram.
Label and corresponding component name shown in figure are as follows:
1, downcast；2, superficial part middle section air inlet；3, deep middle section air inlet；4, Chuan Mai；5, stope return air raise；6, on
Disk air return lane；7, middle section windstone gate；8, remote auto damper；9, total windstone gate；10, the ventilating shaft of falling section；11, return air
Well；12, main fan；13, I grade of machine station blower.
Specific embodiment
It can be seen that the side of the major-minor fan automatic conversion multi fan station ventilation system in this underground of the present invention from Fig. 1 and Fig. 2
Method, comprising the following steps:
S1, entire production period is divided into ventilation and is easy period, ventilation in conjunction with mining depth according to mine capacity planning
Two stages of hard time
It is equipped with downcast 1, middle section air inlet in mine, wears arteries and veins 4, stope return air raise 5, upper disk air return lane 6, middle section go back to
The air intake of wind crossdrift 7, total windstone gate 9, the ventilating shaft of falling section 10 and returnairshaft 11, middle section air inlet is connected to downcast 1, upper disk
Air return lane 6 is one-to-one to be arranged above each middle section air inlet, and upper disk air return lane 6 and middle section that arteries and veins 4 is connected to corresponding arrangement are worn
Air inlet, what stope return air raise 5 was connected to neighbouring arrangement wears arteries and veins 4,
Using the one or more middle section back production periods for being located at mine superficial part as the period of being easy of divulging information, ventilation will be located at and be easy
The middle section air inlet in period is as superficial part middle section air inlet 2；The one or more middle section back production periods for being located at mine deep part are made
It is located at mine superficial part using the middle section air inlet for being located at ventilation hard time as deep middle section air inlet 3 for hard time of divulging information
The outlet air end of uppermost superficial part middle section air inlet 2, the outlet air end of the ventilating shaft of falling section 10 pass through total windstone gate 9 and returnairshaft 11
Connection, positioned at mine superficial part other superficial part middle section air inlets 2 and deep middle section air inlet 3 by middle section windstone gate 7 with
The ventilating shaft of falling section 10 communicates；
S2, period, ventilation hard time are easy to mine ventilation respectively using mine three-dimensional ventilation simulation system Ventsim
Ventilation network carry out simulation resolving
S21, it divulges information the period of being easy, main fan installation point is preset in total windstone gate 9, in each middle section windstone gate 7
In preset remote auto damper and install point, using mine three-dimensional ventilation simulation system Ventsim to the period of being easy of divulging information
Ventilation network carries out simulation resolving, determines that the air quantity of main fan installation point and wind pressure, the installation of remote auto damper are put
Air quantity；
S22, ventilation hard time preset I grade of machine station blower installation point in the middle section windstone gate 7 of mine deep part,
On the basis of keeping easy 12 duty parameter of period main fan of ventilation constant, using mine three-dimensional ventilation simulation system
Ventsim carries out simulation resolving to the ventilation network of ventilation hard time, determines the air quantity and wind of I grade of machine station blower installation point
Pressure；
S3, divulging information, the period of being easy establishes Ventilation by main and auxiliary fans system
Determining duty parameter is resolved according to simulation in step S21, type selecting is carried out to main fan 12, by selected master
Ventilating fan 12 is mounted at preset main fan installation point；
Remote auto damper 8 is mounted at preset remote auto damper installation point, remote auto is adjusted
Air door 8 resolves determining duty parameter according to simulation in step S21 and each middle section air quantity is adjusted；
By main fan 12 and each 8 co-operation of remote auto damper, constitutes ventilation as shown in Figure 1 and be easy period
Underground Ventilation by main and auxiliary fans system；
S4, multi fan station ventilation system is established in ventilation hard time
Determining duty parameter is resolved according to simulation in step S22, and type selecting is carried out to I grade of machine station blower 13, it will be selected
I grade of machine station blower 13 is mounted at preset I grade of machine station blower installation point, is keeping mounted 12 operating point of main fan not
On the basis of change, main fan 12 is subjected to co-operation as II grade of machine station blower and I grade of machine station blower 13, constitutes such as Fig. 2
Shown in divulge information hard time down-hole multilevel machine station ventilating system.
In the present invention, remote auto damper 8 can be used such as Zaozhuang and the production of Shunda mechanical & electronic equipment corporation, Ltd
The long-range air door of intelligent no calender control self closing door SZFM or double leaf without the pressure long-range air door of balance air door light-operated intelligent, can also be used as
Authorization Notice No. is a kind of mining automatic control storm door disclosed in CN207393242U, when pedestrian, vehicle pass through, remote auto
Damper 8 can automatic open close, be not necessarily to human attendance, avoid influence of the fan noise to underground operators.
Claims (2)
1. a kind of method of the major-minor fan automatic conversion multi fan station ventilation system in underground, which comprises the following steps:
S1, entire production period is divided into ventilation and is easy period, ventilation difficulty in conjunction with mining depth according to mine capacity planning
Two stages of period
Using the middle section back production period for being located at mine superficial part as the period of being easy of divulging information, the middle section back production period of mine deep part will be located at
As ventilation hard time；Pass through total windstone gate and returnairshaft and the ventilating shaft of falling section phase positioned at the uppermost middle section of mine superficial part
It is logical, pass through middle section windstone gate and the ventilating shaft of falling section phase positioned at other middle sections of mine superficial part and positioned at the middle section of mine deep part
It is logical；
S2, respectively to mine ventilation be easy period, divulge information hard time ventilation network carry out simulation resolving
It divulges information the period of being easy, the air quantity and wind pressure, middle section for determining main fan installation point at total windstone gate is resolved by simulation
The air quantity of remote auto damper installation point at windstone gate；When hard time simulation of divulging information resolves, ventilation is being kept to be easy
On the basis of period main fan duty parameter is constant, I grade of machine station blower installation point at the windstone gate of mine deep part middle section is determined
Air quantity and wind pressure；
S3, divulging information, the period of being easy establishes Ventilation by main and auxiliary fans system
Determining duty parameter is resolved to main fan type selecting according to simulation, and main fan is mounted in total windstone gate and is set
Installation point at；Remote auto damper is mounted at the installation point set in each middle section windstone gate, remote auto tune
Section air door resolves determining duty parameter according to simulation and each middle section air quantity is adjusted, by main fan and each remote auto tune
Air door co-operation is saved, the underground Ventilation by main and auxiliary fans system in the period of being easy of divulging information is constituted；
S4, multi fan station ventilation system is established in ventilation hard time
Determining duty parameter is resolved to I grade of machine station Fan Selection, by I grade of machine station assembling in mine deep part according to simulation
At the installation point set in section windstone gate, on the basis of keeping mounted main fan operating point constant, by main pectinid
Machine carries out co-operation as II grade of machine station blower and I grade of machine station blower, and the down-hole multilevel machine station for constituting ventilation hard time is logical
Wind system.
2. the method for the major-minor fan automatic conversion multi fan station ventilation system in underground according to claim 1, it is characterised in that:
In above-mentioned steps S2, simulation resolving is carried out to ventilation network using mine three-dimensional ventilation simulation system.
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| CN201910151403.9A CN109707432B (en) | 2019-02-28 | 2019-02-28 | Method for automatically converting underground main fan and auxiliary fan into multi-stage machine station ventilation system |
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| CN201910151403.9A CN109707432B (en) | 2019-02-28 | 2019-02-28 | Method for automatically converting underground main fan and auxiliary fan into multi-stage machine station ventilation system |
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| CN109707432B CN109707432B (en) | 2020-09-15 |
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| CN110469358A (en) * | 2019-08-16 | 2019-11-19 | 长沙有色冶金设计研究院有限公司 | Main return remodeling method suitable for underground centralized return air system |
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| CN110469358B (en) * | 2019-08-16 | 2020-08-11 | 长沙有色冶金设计研究院有限公司 | Method for modifying main return air duct suitable for underground centralized return air |
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