CN104005423B - A kind of normal pressure underground work well security protection work system and method to set up thereof - Google Patents
A kind of normal pressure underground work well security protection work system and method to set up thereof Download PDFInfo
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- CN104005423B CN104005423B CN201410219945.2A CN201410219945A CN104005423B CN 104005423 B CN104005423 B CN 104005423B CN 201410219945 A CN201410219945 A CN 201410219945A CN 104005423 B CN104005423 B CN 104005423B
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Abstract
The present invention relates to a kind of normal pressure underground work well security protection work system and method to set up thereof, comprise air single loop system in combined type little space builder's temporary shed, normal pressure work well, the explosion-proof moistureproof shadow-free illumination system of Multifunctional non contact, toxic and harmful monitoring and warning system and work well internal water accumulation collection and use system.The present invention includes can air single cycle work system, toxic and harmful monitoring and report to the police and exhaust system, the explosion-proof moistureproof shadow-free illumination system of Multifunctional non contact, work well internal water accumulation collection and use system etc. in the normal pressure work well of rapid-assembling, the working environment of staff in work well can well be ensured, thus effectively ensure the safety of underground operators.
Description
Technical field
The invention belongs to field of electricity construction, relate to the builder's temporary shed that people adopts when restricted clearance works, especially a kind of normal pressure underground work well security protection work system and method to set up thereof.
Background technology
Current most urban public power system, communication system, pipe network system, substantially achieve underground and laid.So this generates a large amount of facility maintenance work wells.These work wells belong to airtight working space.Import and export narrow and small, sluggish in air circulation.Because the organic decomposition reaction in pipeline and work well ponding can produce a large amount of toxic and harmfuls, especially city gas transmission pipeline net work and drainage system, they or itself be the flammable gas of conveying directly; Or can decompose and produce a large amount of toxic and harmfuls.Due to various pipe network cloth continuing to increase high-volume; So we are faced with the operation danger continued to increase.This comprises work well itself because the toxic and harmful that in ponding, organic decomposition produces; Also the toxic and harmful that other pipe networks are fled is comprised.These toxic and harmfuls form the physical safety of the operating personnel that needs to go into the well and threaten greatly.Summer in 2013, Tianjin just there occurs two work well operations personnel intoxication accidents, dead 4 people.
Cable repairing often has very strong urgency, but often there is many pollutants in work well at this time, what cable pipeline also may continue flees into some poisonous and harmfuls or imflammable gas, and according to the safety operation specification that country is relevant, this time is well operations under not permission personnel.And to fix a breakdown as soon as possible be the duty-bound of repair personnel.For power cable and communication cable maintenance, also exist above-mentioned under the disadvantageous condition of repairing work, Gong Jing working site needs fire operation (needing to use blowtorch to carry out sealing operation for cable) toward contact, this is again in this confined space of work well of underground, the exhaust gases after combustion that the generation continued is a large amount of.For the various toxic and harmfuls having existed and produced in working above-mentioned in work well, us are needed to take effective monitoring, emission measure, with the improvement of the safety and operating environment that ensure underground operators.In the winter time during underground work, because the temperature of working environment is low, so bring larger difficulty (needing thawing cable sheath that is softening and part) to blowtorch sealing operation; During underground work in summer, the temperature in the work well of relative closure is very high.In this relative closure and narrow work well, often humidity is very big, is sometimes simply full of water in work well.There is provided the operating illumination of highly effective and safe to be very important to this adverse circumstances, we know, in such a case, need to adopt explosion-proof, moistureproof light fixture, but explosion-proof moistureproof light fixture are in the market very heavy, in work well, lay difficulty.
Through preliminary search, find following publication file.
A kind of Combined protective shed frame and construction method (CN102425123B) thereof, it is characterized in that: the load-carrying members being positioned at bridge end face are set, load-bearing longeron in described load-carrying members is with the end face of bridge for load-bearing basis, across the load bearing cross beam above bridge by bearing longitudinal beam support; Arrange the steel structure frame be positioned at bottom bridge, the frame rails in steel structure frame is suspended in the below of load bearing cross beam by suspension rod, is positioned at the both sides of bridge; Cruciform bracing in steel structure frame is suspended in the bottom of frame rails.The overall load-bearing of combining structure of the present invention is on bridge floor, do not need on construction basis, existing railway line both sides, considerably reduce the site operation amount at existing railway line, reduce construction risk, eliminate safe hidden trouble, effectively reduce the interference to existing railway line normal operation.
A kind of great power LED factory canopy lamp (CN202580943U); Great power LED factory canopy lamp contains housing, LED light source plate and power supply, LED light source plate is located in housing, power supply is located at outside housing, the power line of LED light source plate is connected with power supply, housing contains upper cover and lower cover, the profile of upper cover is the assembly of cylinder and Rotary-table, the top of upper cover is Rotary-table, the bottom of upper cover is cylinder, lower cover is circular lid, and lower cover mates with the bottom of upper cover and is connected, and is provided with borrow light in the middle part of the bottom surface of lower cover, LED light source plate is located at the top of borrow light, upper cover and under cover be equipped with heat elimination hole and heat radiation seam; The soffit of LED light source plate is provided with a reflector, and reflector is provided with LED hole, and the LED on LED light source plate soffit is stretched out downwards from LED hole; The invention provides that a kind of structure is simple, the great power LED factory canopy lamp of perfect heat-dissipating.
Comparative analysis, all there is larger difference in application and technology contents in above patent and present patent application, does not find the akin public technology with present patent application in patent and technical literature.
Summary of the invention
Object of the present invention is exactly attempt by adopting a series of new method and apparatus, overcome the various hidden danger talked about above, still one can be provided to continue safety, relative comfort, high efficiency working environment for underground operators even if (certain amount can not be exceeded) under the condition that toxic and harmful constantly produces, prevent the generation of various security incident.The present invention solves its technical problem and takes following technical scheme to realize:
A kind of normal pressure underground work well security protection work system, comprise air single loop system in combined type little space builder's temporary shed, normal pressure work well, the explosion-proof moistureproof shadow-free illumination system of Multifunctional non contact, toxic and harmful monitoring and warning system and work well internal water accumulation collection and use system, be specially: the main body frame of combined type little space builder's temporary shed is modular cube frame structure, the top of combined type little space builder's temporary shed, bottom, wall are made up of independent fireproof cloth material respectively, and four limits of fireproof cloth material are all formed a whole by bonding slide fastener; Air single loop system in normal pressure work well is provided with in builder's temporary shed, builder's temporary shed inside is provided with multiple air outlet, the plurality of air outlet is all communicated with air inlet duct, the air intake of this air inlet duct is connected to the blast fan being arranged on more than ground, arranges one group of implicit form builder's temporary shed top vent hole at the top of combined type little space builder's temporary shed; The explosion-proof moistureproof shadow-free illumination system of Multifunctional non contact forms by organizing multi-function exciter lamp more; Install poisonous monitoring harmful gases and warning system in the builder's temporary shed of combined type little space, the monitoring of this toxic and harmful is communicated with air single loop system in normal pressure work well with warning system.
And, described multi-function exciter lamp adopts explosion-proof moistureproof design, the LED lamp band of many components is arranged within poly-carbon resin Multi-functional Lighting light tube jacket, all seal with seal plug in the pipe box at LED lamp band two ends, one group of multi-function exciter lamp is respectively set inside the two ends of Multi-functional Lighting light tube jacket and fixes jackscrew nut and multi-function exciter lamp fixes jackscrew, jackscrew nut fixed by multifunctional rotary illuminating lamp, multi-function exciter lamp is fixed on position suitable in well by outer the moving of being fixed jackscrew by illuminating lamp, in the upside of the outside, two ends of Multi-functional Lighting light tube jacket, a builder's temporary shed top supporting rod fixing hole is respectively set.
And the concrete method to set up of native system is:
(1) blast fan, scalable water tank, generator, main control computer and gas detecting instrument are set on ground, in the lower air port of blast fan, a refrigerating circuit heat-absorbing exchanger is set, this refrigerating circuit heat-absorbing exchanger and refrigeration pump, refrigerating circuit heat-rejecting exchanger form closed circuit circulatory system, this refrigeration pump and refrigerating circuit heat-rejecting exchanger are placed in scalable water tank, and also arrange a set of giant system in this scalable water tank simultaneously;
(2) one group of air inlet duct is set in the below of refrigerating circuit heat-absorbing exchanger, the air outlet of this air inlet duct is located at the foot of the combined type little space builder's temporary shed in work well, in well, arrange multi-function exciter lamp, combined type little space builder's temporary shed, the multiple detection of gas heads on gas detecting instrument are placed in well and in the builder's temporary shed of combined type little space respectively;
(3) play scalable water tank in ground supports, open generator, open work well and import and export, drainage pump is put into work well and by gutter to scalable water tank water filling, after filling water, remaining water is directly discharged into outside work well; Meanwhile, start blast fan, blow in work well, the air in displacement work well;
(4) after the water in work well racks up, bottom often deposits some dirts, gas detecting instrument is opened, detection of gas head is put into work well, detection of gas head divides other to be arranged in work well and within the builder's temporary shed of combined type little space, after determining the safety of the air in the builder's temporary shed of combined type little space, staff enters within builder's temporary shed;
(5) after staff enters in work well, open giant system, utilize the water in scalable water tank, impact the dirt in work well, the dirt of having rushed is discharged outside well by drainage pump;
(6) staff enters after work well cleared up dirt, the support of little for combined type space builder's temporary shed locking device and fastening devices are assembled, above install and fixed Combination formula little space builder's temporary shed locking device, thus in work well formation a relative closure working space; And, multi-function exciter lamp in the builder's temporary shed of little for combined type space is fixed jackscrew nut by multi-function exciter lamp by staff, multi-function exciter lamp fixes the top that jackscrew is fixed on work well, by builder's temporary shed fixing hole while fixing multi-function exciter lamp, the wall part in the builder's temporary shed of little for combined type space is fixed; After said process completes, builder's temporary shed top supporting rod is screwed in and is positioned on the builder's temporary shed top supporting rod fixing hole at multi-function exciter lamp two ends;
(7) after above-mentioned work completes, whole combined type little space builder's temporary shed is bonded into an entirety, this time, air outlet is in the bottom in the builder's temporary shed of combined type little space, staff enters within the builder's temporary shed builder's temporary shed of combined type little space by bonded type builder's temporary shed door, and cable is bored a hole by scalable cable or bonded slide fastener and enters within the builder's temporary shed of combined type little space;
(8) start refrigeration pump, by the associated working of refrigerating circuit heat-rejecting exchanger, refrigerating circuit heat-absorbing exchanger, blast fan, for injecting cool air in well, when winter, the course of work of refrigerating circuit heat-rejecting exchanger, refrigerating circuit heat-absorbing exchanger is put upside down, thus is inject warm air in well.
And (3) whether described step have in work well water should detect in prior work is maked an inspection tour, if anhydrous, save step (3) in drainage procedure; For the work well be full of water, support scalable pond on Gong Jing limit, drainage pump is put the top of artificial well internal water accumulation, ponding relatively limpid in work well is entered scalable pond, meanwhile, starts blast fan, blow in work well, the air in displacement work well.
Advantage of the present invention and good effect are:
1, builder's temporary shed of the present invention can in multiple restricted clearance rapid-assembling shaping, effectively can overcome the various hidden danger that cannot exist in the underground work well of emptying poisonous and harmful object at short notice, even if still one can be provided to continue safety, relative comfort, high efficiency working environment for underground operators under the condition that toxic and harmful constantly produces, prevent the generation of various security incident.
2, present system arranges the combined type little space builder's temporary shed of a relative closure in the work well of underground, outer for well pure and fresh air is directly transported in builder's temporary shed by blower system, make air pressure in builder's temporary shed higher than work gas well gas pressure, the air pressure of work well higher than the outer air pressure of well, thus forms the olderly flowage of air.
3, the present invention comprises malicious monitoring harmful gases and warning and exhaust system, in the construction synchronous air quality detected in builder's temporary shed simultaneously, once pernicious gas index exceeding standard be detected, staff in timely alert notice canopy, and startup increasing air blast and exhaust velocity exhale pernicious gases automatically.
4, the present invention comprises the moistureproof shadow-free illumination system of multifunctional anti-explosion, and its Multi-functional Lighting lamp system adopts explosion-proof moistureproof design, uses the shadowless lighting of many group led illuminating lamp bands; Self-strength is high, can meet the safety requirements of the strictest closed container intraoral illumination, can provide safe, reliable, efficient, safe illumination for closed, narrow and small, inflammable and explosive, moist working site.
5, the present invention includes work well internal water accumulation collection and use system, in summer, refrigerant compression pump, cold-producing medium heat release circulation line are arranged in scalable pond, water in millpond is refrigerant compression pump and refrigerant cools, circulation line part of being absorbed heat by cold-producing medium is placed on the lower air port of blast fan, so just high efficiencyly can carry cold air in work well, this is because specific heat of water holds very large, be a kind of fabulous heat exchange medium, can cooling fan be saved compared with common air-conditioning; Comfortable working environment, compared with severe working environment, can improve operating efficiency and the work quality of staff greatly; The generated output power of working site configuration is constant often, even if do not have effective workload, its power output often can not be fallen yet.
6, the present invention includes can air single cycle work system, toxic and harmful monitoring and report to the police and exhaust system, the explosion-proof moistureproof shadow-free illumination system of Multifunctional non contact, work well internal water accumulation collection and use system etc. in the normal pressure work well of rapid-assembling, the working environment of staff in work well can well be ensured, thus effectively ensure the safety of underground operators.
Accompanying drawing explanation
Accompanying drawing 1 is transverse integral structural representation of the present invention;
Accompanying drawing 2 is longitudinal overall structure schematic diagrames of the present invention.
Mark representative in figure: drainage pump (1), gutter (2), giant system (3), work well imports and exports (4), air inlet duct (5), air outlet (6), refrigeration pump (7), refrigerating circuit heat-rejecting exchanger (8), refrigerating circuit heat-absorbing exchanger (9), blast fan (10), scalable water tank (11), scalable tank bracket (12), generator (13), main control computer (14), gas detecting instrument (15), detection of gas head (16), work staircase (17), multi-function exciter lamp (18), combined type little space builder's temporary shed (19), steam vent (20), builder's temporary shed top supporting rod fixing hole (21), builder's temporary shed top supporting rod (22), builder's temporary shed fixing hole (23), jackscrew nut (24), jackscrew (25), illuminating lamp pipe box (26), seal plug (27), LED lamp band (28), bonded type builder's temporary shed door (29), cable (30), scalable cable perforation (31), bonding slide fastener (32).
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of normal pressure underground work well security protection work system, comprises air single loop system in combined type little space builder's temporary shed 19, normal pressure work well, the explosion-proof moistureproof shadow-free illumination system of Multifunctional non contact, toxic and harmful monitoring and warning system and work well internal water accumulation collection and use system.
The main body frame of combined type little space builder's temporary shed 19 is modular cube frame structure, the top of combined type little space builder's temporary shed, bottom, wall are made up of independent fireproof cloth material respectively, four limits of fireproof cloth material are all formed a whole by bonding slide fastener, like this can very easily in working site assembly and disassembly, builder's temporary shed inside forms the separate space of a relative closure, and constructor carries out operation in this separate space.
In order to ensure that builder's temporary shed inner ventilation is taken a breath, air single loop system in normal pressure work well is provided with in builder's temporary shed, builder's temporary shed lower portion is provided with multiple air outlet 6, the plurality of air outlet is all communicated with air inlet duct 5, the air intake of this air inlet duct is connected to the blast fan 10 being arranged on more than ground, at the top of combined type little space builder's temporary shed 19, one group of implicit form builder's temporary shed top vent hole 20 is set, when builder's temporary shed inner and outer air pressure is identical, steam vent is in natural enclosing state, during blast fan work, in builder's temporary shed, pressure height is outer forces down, and the air in builder's temporary shed can be flowed out by this steam vent; Air inlet duct can also provide suitable support for combined type little space builder's temporary shed while completing air blowing function.
The explosion-proof moistureproof shadow-free illumination system of Multifunctional non contact forms by organizing multi-function exciter lamp 18 more, this multi-function exciter lamp adopts explosion-proof moistureproof design, the LED lamp band 28 of many components is arranged within poly-carbon resin Multi-functional Lighting light tube jacket 26, all seal with seal plug 27 in the pipe box at LED lamp band two ends, one group of multi-function exciter lamp is respectively set inside the two ends of Multi-functional Lighting light tube jacket 26 and fixes jackscrew nut 24 and multi-function exciter lamp fixes jackscrew 25, jackscrew nut 24 fixed by multifunctional rotary illuminating lamp, multi-function exciter lamp 18 just can be fixed on position suitable in well by outer the moving of being fixed jackscrew 25 by illuminating lamp very easily, in the upside of the outside, two ends of Multi-functional Lighting light tube jacket 26, a builder's temporary shed top supporting rod fixing hole 21 is respectively set, builder's temporary shed top supporting rod 22 is fixed on here, so that provide support for the top of builder's temporary shed 19 in spliced well.
Work well is the working space of a limited space, relative closure, and for the maintenance work well of electric power cable, the wide and height of its standard is about 2 meters.In the working space that this is closed, lamp system needs to adopt explosion-proof moistureproof design; Safe operating voltage, can powered battery; The safety requirements of the strictest closed container intraoral illumination can be met.The structure of this lamp is: be arranged on by the LED lamp band of many components within poly-carbon resin Multi-functional Lighting light tube jacket, two ends seal plug seals, inside the two ends of Multi-functional Lighting light tube jacket, one group of multi-function exciter lamp is respectively set and fixes jackscrew nut and multi-function exciter lamp fixes jackscrew, jackscrew nut fixed by multifunctional rotary illuminating lamp, and multi-function exciter lamp just can be fixed on position suitable in well by outer the moving of being fixed jackscrew by illuminating lamp very easily.At Multi-functional Lighting light tube jacket) the upside of outside, two ends, a builder's temporary shed top supporting rod fixing hole is respectively set, builder's temporary shed top supporting rod is fixed on here, so that provide support for the top of builder's temporary shed in spliced well.If this illuminator be arranged within the combined type little space builder's temporary shed locking device in work well, it is while fixing self, can also be fixed the canvas device forming this enclosure space.
And, multi-function exciter lamp in builder's temporary shed is monitored with toxic and harmful and is connected with warning system, when the air quality of working environment declines, for staff provides the flicker of different frequency to report to the police, remind staff to take the corresponding precautionary measures until the illumination of the environment that quits work, quit work to force staff in well; Meanwhile, the monitoring of this toxic and harmful is communicated with air single loop system in normal pressure work well with warning system, once detect that the pernicious gas system that exceeds standard strengthens intake velocity and air quantity automatically, discharges the toxic and harmful in builder's temporary shed fast.
This combined type little space builder's temporary shed is also connected and installed with work well internal water accumulation collection and use system, extracts waste water in work well.
And, in the working space of this relative closure, the relatively clean air brought of blast fan supports pipeline by air inlet duct and part builder's temporary shed, enter from bottom within the builder's temporary shed locking device of combined type little space, when working in this enclosure space, need fire operation, the work waste gas of generation has very high heat, so these waste gas can move to top, and discharge from top.
Because the air pressure in this space is greater than the air pressure outside this space; So the air of (in work well) can not enter within this space outside this space, and the air pressure in work well is greater than the air pressure outside work well, this just can well ensure the working environment of staff in work well, as long as the air clean for conveying in the builder's temporary shed of combined type little space that blast fan can continue, even if there is certain (fleeing or self generation) toxic and harmful in work well, also can ensure the safety of underground operators, this is to very important when needing to carry out rush repair operation.
The concrete method to set up of native system is:
(1) blast fan 10, scalable water tank 11, generator 13, main control computer 14 and gas detecting instrument 15 are set on ground, in the lower air port of blast fan, a refrigerating circuit heat-absorbing exchanger 9 is set, this refrigerating circuit heat-absorbing exchanger and refrigeration pump 7, refrigerating circuit heat-rejecting exchanger 8 form closed circuit circulatory system, this refrigeration pump and refrigerating circuit heat-rejecting exchanger are placed in scalable water tank, and also arrange a set of giant system 3 in this scalable water tank simultaneously;
(2) one group of air inlet duct 5 is set in the below of refrigerating circuit heat-absorbing exchanger, the air outlet 6 of this air inlet duct is located at the foot of the combined type little space builder's temporary shed 19 in work well, in well, arrange multi-function exciter lamp 18, combined type little space builder's temporary shed, the multiple detection of gas heads 16 on gas detecting instrument 15 are placed in well and in the builder's temporary shed of combined type little space respectively.
(3) play scalable water tank in ground supports, open generator 13, open work well and import and export 4, drainage pump 1 is put into work well and by gutter 2 to scalable water tank water filling, after filling water, remaining water can directly be discharged into work well outward as at present; Meanwhile, start blast fan 10, blow in work well, the air in displacement work well.
Whether there is water can detect in prior work is maked an inspection tour in work well, if anhydrous, this process can be save or carry with scalable water tank; Actually to detect, be full of water inside the work well of the overwhelming majority, scalable pond is supported on Gong Jing limit, drainage pump is put the top of artificial well internal water accumulation, ponding relatively limpid in work well is entered scalable pond, meanwhile, starts blast fan, blow in work well, the air in displacement work well.
(4) after the water in work well racks up, bottom often deposits some dirts, main control computer 14, gas detecting instrument 15 are opened, detection of gas head 16 is put into work well, detection of gas head divides other to be arranged in work well and within combined type little space builder's temporary shed 19, if desired, after determining the safety of the air in combined type little space builder's temporary shed 19, staff can enter within builder's temporary shed.
(5), after staff enters in work well, open giant system, utilize the water in scalable water tank, impact the dirt in work well, the dirt of having rushed is discharged outside well by drainage pump 1;
(6) staff enters after work well cleared up dirt, the support of little for combined type space builder's temporary shed locking device and fastening devices are assembled, above install and fixed Combination formula little space builder's temporary shed locking device, thus in work well formation a relative closure working space.
And, multi-function exciter lamp 18 in little for combined type space builder's temporary shed 19 is fixed jackscrew nut 24 by multi-function exciter lamp by staff, multi-function exciter lamp fixes the top that jackscrew 25 is fixed on work well, by builder's temporary shed fixing hole 23 while fixing multi-function exciter lamp, the wall part in little for combined type space builder's temporary shed 19 is fixed.After said process completes, builder's temporary shed top supporting rod 22 is screwed in and is positioned on the builder's temporary shed top supporting rod fixing hole 21 at multi-function exciter lamp 18 two ends.
(7) after above-mentioned work completes, whole combined type little space builder's temporary shed is bonded into an entirety, this time, air outlet 6 is in the bottom in combined type little space builder's temporary shed 19, staff enters within builder's temporary shed 19 builder's temporary shed of combined type little space by bonded type builder's temporary shed door 29, and cable 30 is entered within combined type little space builder's temporary shed 19 by scalable cable perforation 31, bonding slide fastener 32 etc.
(8) start refrigeration pump 7, by the associated working of refrigerating circuit heat-rejecting exchanger 8, refrigerating circuit heat-absorbing exchanger 9, blast fan 10, for injecting cool air in well, when winter, the course of work of refrigerating circuit heat-rejecting exchanger 8, refrigerating circuit heat-absorbing exchanger 9 can be put upside down, thus be inject warm air in well.Such course of work can ensure air pressure in spliced well in builder's temporary shed 19 pressure all the time in, work well outer higher than builder's temporary shed, and pressure in work well all the time higher than the pressure outside work well, under blast fan 10 can be carry the condition of fresh air in work well, we can ensure the safety of underground work personnel substantially.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (4)
1. a normal pressure underground work well security protection work system, comprise air single loop system in combined type little space builder's temporary shed, normal pressure work well, the explosion-proof moistureproof shadow-free illumination system of Multifunctional non contact, toxic and harmful monitoring and warning system and work well internal water accumulation collection and use system, be specially:
The main body frame of combined type little space builder's temporary shed is modular cube frame structure, and the top of combined type little space builder's temporary shed, bottom, wall are made up of independent fireproof cloth material respectively, and four limits of fireproof cloth material are all formed a whole by bonding slide fastener; Air single loop system in normal pressure work well is provided with in builder's temporary shed, builder's temporary shed inside is provided with multiple air outlet, the plurality of air outlet is all communicated with air inlet duct, the air intake of this air inlet duct is connected to the blast fan being arranged on more than ground, arranges one group of implicit form builder's temporary shed top vent hole at the top of combined type little space builder's temporary shed; The explosion-proof moistureproof shadow-free illumination system of Multifunctional non contact forms by organizing multi-function exciter lamp more; Install poisonous monitoring harmful gases and warning system in the builder's temporary shed of combined type little space, the monitoring of this toxic and harmful is communicated with air single loop system in normal pressure work well with warning system.
2. work well security protection work system in normal pressure underground according to claim 1, it is characterized in that: described multi-function exciter lamp adopts explosion-proof moistureproof design, the LED lamp band of many components is arranged within poly-carbon resin Multi-functional Lighting light tube jacket, all seal with seal plug in the pipe box at LED lamp band two ends, one group of multi-function exciter lamp is respectively set inside the two ends of Multi-functional Lighting light tube jacket and fixes jackscrew nut and multi-function exciter lamp fixes jackscrew, jackscrew nut fixed by multifunctional rotary illuminating lamp, multi-function exciter lamp is fixed on position suitable in well by outer the moving of being fixed jackscrew by illuminating lamp, in the upside of the outside, two ends of Multi-functional Lighting light tube jacket, a builder's temporary shed top supporting rod fixing hole is respectively set.
3. a kind of normal pressure underground work well security protection work system according to claim 1, is characterized in that: the concrete method to set up of native system is:
(1) blast fan, scalable water tank, generator, main control computer and gas detecting instrument are set on ground, in the lower air port of blast fan, a refrigerating circuit heat-absorbing exchanger is set, this refrigerating circuit heat-absorbing exchanger and refrigeration pump, refrigerating circuit heat-rejecting exchanger form closed circuit circulatory system, this refrigeration pump and refrigerating circuit heat-rejecting exchanger are placed in scalable water tank, and also arrange a set of giant system in this scalable water tank simultaneously;
(2) one group of air inlet duct is set in the below of refrigerating circuit heat-absorbing exchanger, the air outlet of this air inlet duct is located at the foot of the combined type little space builder's temporary shed in work well, in well, arrange multi-function exciter lamp, combined type little space builder's temporary shed, the multiple detection of gas heads on gas detecting instrument are placed in well and in the builder's temporary shed of combined type little space respectively;
(3) play scalable water tank in ground supports, open generator, open work well and import and export, drainage pump is put into work well and by gutter to scalable water tank water filling, after filling water, remaining water is directly discharged into outside work well; Meanwhile, start blast fan, blow in work well, the air in displacement work well;
(4) after the water in work well racks up, bottom often deposits some dirts, gas detecting instrument is opened, detection of gas head is put into work well, detection of gas head divides other to be arranged in work well and within the builder's temporary shed of combined type little space, after determining the safety of the air in the builder's temporary shed of combined type little space, staff enters within builder's temporary shed;
(5) after staff enters in work well, open giant system, utilize the water in scalable water tank, impact the dirt in work well, the dirt of having rushed is discharged outside well by drainage pump;
(6) staff enters after work well cleared up dirt, the support of little for combined type space builder's temporary shed locking device and fastening devices are assembled, above install and fixed Combination formula little space builder's temporary shed locking device, thus in work well formation a relative closure working space; And, multi-function exciter lamp in the builder's temporary shed of little for combined type space is fixed jackscrew nut by multi-function exciter lamp by staff, multi-function exciter lamp fixes the top that jackscrew is fixed on work well, by builder's temporary shed fixing hole while fixing multi-function exciter lamp, the wall part in the builder's temporary shed of little for combined type space is fixed; After said process completes, builder's temporary shed top supporting rod is screwed in and is positioned on the builder's temporary shed top supporting rod fixing hole at multi-function exciter lamp two ends;
(7) after above-mentioned work completes, whole combined type little space builder's temporary shed is bonded into an entirety, this time, air outlet is in the bottom in the builder's temporary shed of combined type little space, staff enters within the builder's temporary shed builder's temporary shed of combined type little space by bonded type builder's temporary shed door, and cable is bored a hole by scalable cable or bonded slide fastener and enters within the builder's temporary shed of combined type little space;
(8) start refrigeration pump, by the associated working of refrigerating circuit heat-rejecting exchanger, refrigerating circuit heat-absorbing exchanger, blast fan, for injecting cool air in well, when winter, the course of work of refrigerating circuit heat-rejecting exchanger, refrigerating circuit heat-absorbing exchanger is put upside down, thus is inject warm air in well.
4. a kind of normal pressure underground work well security protection work system according to claim 3, is characterized in that: (3) whether described step have in work well water should detect in prior work is maked an inspection tour, if anhydrous, save step (3) in drainage procedure; For the work well be full of water, support scalable pond on Gong Jing limit, drainage pump is put the top of artificial well internal water accumulation, ponding relatively limpid in work well is entered scalable pond, meanwhile, starts blast fan, blow in work well, the air in displacement work well.
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| CN106958789B (en) * | 2017-05-08 | 2024-03-29 | 国网上海市电力公司 | Underground safety lamp for power cable work well |
| CN111919626B (en) * | 2020-08-18 | 2022-04-12 | 中铁二院工程集团有限责任公司 | Ecological utility tunnel |
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| CN102425123A (en) * | 2011-09-14 | 2012-04-25 | 中铁四局集团第一工程有限公司 | Combined type protection shed frame and construction method thereof |
| KR101165618B1 (en) * | 2011-12-05 | 2012-07-19 | 주식회사 일흥산전 | Monitoring system for inside of the manhole |
| CN202394075U (en) * | 2011-12-14 | 2012-08-22 | 河南汉威电子股份有限公司 | Well-cover type gas monitoring device |
| CN203475472U (en) * | 2013-09-11 | 2014-03-12 | 中铁第四勘察设计院集团有限公司 | Power cable trough hand hole well |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425123A (en) * | 2011-09-14 | 2012-04-25 | 中铁四局集团第一工程有限公司 | Combined type protection shed frame and construction method thereof |
| KR101165618B1 (en) * | 2011-12-05 | 2012-07-19 | 주식회사 일흥산전 | Monitoring system for inside of the manhole |
| CN202394075U (en) * | 2011-12-14 | 2012-08-22 | 河南汉威电子股份有限公司 | Well-cover type gas monitoring device |
| CN203475472U (en) * | 2013-09-11 | 2014-03-12 | 中铁第四勘察设计院集团有限公司 | Power cable trough hand hole well |
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Address after: 300010 Tianjin city Hebei District Wujing Road No. 39 Applicant after: State Grid Corporation of China Applicant after: State Grid Tianjin Electric Power Company Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: State Grid Tianjin Electric Power Company |
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