CN104033170B - A kind of mine pneumatic refrigeration plant temperature control system - Google Patents
A kind of mine pneumatic refrigeration plant temperature control system Download PDFInfo
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- CN104033170B CN104033170B CN201410255136.7A CN201410255136A CN104033170B CN 104033170 B CN104033170 B CN 104033170B CN 201410255136 A CN201410255136 A CN 201410255136A CN 104033170 B CN104033170 B CN 104033170B
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Abstract
Mine pneumatic refrigeration plant temperature control system; comprise ice-storage box, gas source, three linked piece, two-bit triplet reversing valve, pressure valve, refrigeration compressor gas motor, water pump gas motor, fan gas motor; when the temperature of secondary refrigerant solution in described ice-storage box is higher than design temperature; pressure valve is opened; gas circuit is connected, unit operation refrigeration; when the temperature of secondary refrigerant solution in ice-storage box is lower than design temperature, pressure valve is closed, and gas circuit is cut off, compressor emergency shutdown saves the energy.
Description
Technical field
The present invention relates to the temperature control system of a kind of mine pneumatic refrigeration plant, can be used for underground refuge chamber or the temperature control of pneumatic storage ice unit cooler that mining life-saving capsule uses, belong to mining safety and HVAC refrigerating field.
Background technology
The coal mine refuge chamber cool-down method used at present mainly contains electric air conditioner cooling, the cooling of electronic ice storage air conditioner, liquid carbon dioxide cooling, phase change material temperature lowering and ventilation cooling etc. five kinds.
Wherein electric air conditioner cooling and the cooling of electronic ice storage air conditioner all use driven by power vapour compression refrigeration, advantage is that refrigeration work consumption is big, efficiency height, shortcoming is in the particular surroundings of down-hole particularly refuge chamber, use electric power to bring the problem of capacitance of storage on the one hand, in anti-explosion safety, there is hidden danger on the one hand. Liquid carbon dioxide cooling, phase change material temperature lowering and the cooling three kinds of method refrigeration work consumptions that ventilate are significantly less than vapour compression refrigeration, wherein there is potential safety hazard owing to storage pressure is higher in liquid carbon dioxide cooling, chamber temperature is had strict requirement and the coefficient of heat transfer very low by phase change material temperature lowering, and cooling of ventilating needs to ensure that pressure air pipe line normally uses under disaster scenarios it.
If adopting pneumatic ice-storage air-conditioning system as the conditioning unit of refuge chamber, then using pneumatic refrigeration plant that ice-storage box carries out storage ice at ordinary times, when occurring in order to disaster, using the cold saved in ice-storage box that refuge chamber is carried out cool-down dehumidification.
For save energy, usually give mine pneumatic refrigeration plant function of temperature control, automatically according to the temperature start and stop in ice-storage box. Such as, when in ice-storage box, secondary refrigerant solution temperature is higher than-5 DEG C, mine pneumatic refrigeration plant running refrigerating of automatically starting shooting reduces the temperature of secondary refrigerant solution in ice-storage box; When in ice-storage box, secondary refrigerant solution temperature is lower than-10 DEG C, mine pneumatic refrigeration plant auto stop is with save energy.
But, in prior art, there is complex structure in mine pneumatic refrigeration plant temperature control system, control stiffness is poor, reacts blunt, the problems such as the rate that reports an error is undesirable.
Summary of the invention
It is an object of the invention to provide a kind of structure simple, control is stable, mine pneumatic refrigeration plant temperature control system accurately and rapidly.
Mine pneumatic refrigeration plant temperature control system provided by the invention, it is characterized in that, comprise ice-storage box, gas source, three linked piece, two-bit triplet reversing valve, pressure valve, refrigeration compressor gas motor, water pump gas motor, fan gas motor, wherein, pressurized air is provided by described gas source, pressurized air is successively through described three linked piece, described two-bit triplet reversing valve, after described pressure valve, for described refrigeration compressor gas motor, described water pump gas motor, described fan gas motor air feed, when the temperature of secondary refrigerant solution in described ice-storage box is higher than design temperature, pressure valve is opened, gas circuit is connected, unit operation freezes, when the temperature of secondary refrigerant solution in ice-storage box is lower than design temperature, pressure valve is closed, gas circuit is cut off, compressor emergency shutdown.
According to above-mentioned mine pneumatic refrigeration plant temperature control system; it is characterized in that; when the temperature of secondary refrigerant solution in described ice-storage box is higher than-5 DEG C; pressure valve is opened; gas circuit is connected, unit operation refrigeration; when the temperature of secondary refrigerant solution in ice-storage box is lower than-10 DEG C, pressure valve is closed, and gas circuit is cut off, compressor emergency shutdown.
According to above-mentioned mine pneumatic refrigeration plant temperature control system, it is characterised in that, throttling valve installed by described water pump gas motor, in order to regulate the rotating speed of described water pump gas motor.
According to above-mentioned mine pneumatic refrigeration plant temperature control system, it is characterised in that, throttling valve installed by described fan gas motor, in order to regulate the rotating speed of described fan gas motor.
According to above-mentioned mine pneumatic refrigeration plant temperature control system, it is characterised in that, described refrigeration compressor gas motor, water pump gas motor, fan gas motor are connected in parallel.
Concrete, the mine pneumatic refrigeration plant temperature control system of the present invention comprises ice-storage box 1, gas source 2, three linked piece 3, two-bit triplet reversing valve 4, pressure valve 5, refrigeration compressor gas motor 6, water pump gas motor 7, first throttle valve 8, fan gas motor 9, second throttle 10 etc.
The mine pneumatic refrigeration plant temperature control system of the present invention, pressurized air is provided by gas source 2, pressurized air filters after decompression adds mist of oil through three linked piece 3, through two-bit triplet reversing valve 4, pressure valve 5, for refrigeration compressor gas motor 6, water pump gas motor 7, fan gas motor 9 air feed, wherein first throttle valve 8 is in order to regulate the rotating speed of water pump gas motor 7, and second throttle 10 is in order to regulate the rotating speed of fan gas motor 9.
Described three linked piece 3 is the filtration of pressurized air, decompression and mist of oil assembly, and described two-bit triplet reversing valve 4 is in order to the break-make of Non-follow control pipeline compressed air between pressure valve 5 by gas source 2.
The thermo-bulb of pressure valve 5 is arranged in ice-storage box 1, and when the temperature of secondary refrigerant solution in ice-storage box is higher than-5 DEG C, pressure valve 5 is opened, and gas circuit is connected, unit operation refrigeration; When the temperature of secondary refrigerant solution in ice-storage box is lower than-10 DEG C, pressure valve 5 is closed, and gas circuit is cut off, compressor emergency shutdown saves the energy.
Technique effect:
Mine pneumatic refrigeration plant temperature control system according to the present invention, is automatically detected the temperature of the secondary refrigerant solution in ice-storage box, and controls the break-make of gas circuit by pressure valve 5, it is achieved the temperature control of mine pneumatic refrigeration plant.
According to mine pneumatic refrigeration plant temperature control system of the present invention, structure is simple, precise control, speed of response are fast, has practicality widely.
Accompanying drawing explanation
Fig. 1 is the exemplary construction schematic diagram of the present invention.
In figure: 1-ice-storage box; 2-gas source; 3-three linked piece; 4-two-bit triplet reversing valve; 5-pressure valve; 6-refrigeration compressor gas motor; 7-water pump gas motor; 8-first throttle valve; 9-fan gas motor; 10-second throttle.
Embodiment
The present invention is described in further details with reference to the accompanying drawings in conjunction with the embodiments.
As shown in Figure 1, the mine pneumatic refrigeration plant temperature control system of the present invention comprises ice-storage box 1, gas source 2, three linked piece 3, two-bit triplet reversing valve 4, pressure valve 5, refrigeration compressor gas motor 6, water pump gas motor 7, first throttle valve 8, fan gas motor 9, second throttle 10 etc.
Described gas source 2 provides pressurized air, pressurized air is after three linked piece 3 filtration under diminished pressure adds mist of oil, through two-bit triplet reversing valve 4, pressure valve 5, for refrigeration compressor gas motor 6, water pump gas motor 7, fan gas motor 9 air feed, wherein first throttle valve 8 is in order to regulate the rotating speed of water pump gas motor 7, and second throttle 10 is in order to regulate the rotating speed of fan gas motor 9.
Described three linked piece 3 is the filtration of pressurized air, decompression and mist of oil assembly, and described two-bit triplet reversing valve 4 is in order to the break-make of Non-follow control pipeline compressed air between pressure valve 5 by gas source 2.
Described refrigeration compressor gas motor 6, water pump gas motor 7, fan gas motor 9 are connected in parallel.
The thermo-bulb of described pressure valve 5 is arranged in ice-storage box 1, and when the temperature of secondary refrigerant solution in ice-storage box is higher than-5 DEG C, pressure valve 5 is opened, and gas circuit is connected, unit operation refrigeration; When the temperature of secondary refrigerant solution in ice-storage box is lower than-10 DEG C, pressure valve 5 is closed, and gas circuit is cut off, compressor emergency shutdown saves the energy.
According to embodiment, the present invention made detailed description above, but, described description is exemplary, the present invention is not limited only in embodiment, it can be made replacement or the change of various form by those skilled in the art completely according to the present invention's instruction, under the prerequisite not departing from objective of the present invention and spirit, every various change of the present invention being made and modify the content being all considered as the present invention and containing, all falls within the scope of claims.
Claims (3)
1. mine pneumatic refrigeration plant temperature control system, it is characterised in that, comprise ice-storage box, gas source, three linked piece, two-bit triplet reversing valve, pressure valve, refrigeration compressor gas motor, water pump gas motor, first throttle valve, fan gas motor, second throttle, wherein, provides pressurized air by described gas source, and pressurized air is successively after the filtration decompression of described three linked piece adds mist of oil, through described two-bit triplet reversing valve, after described pressure valve, it it is described refrigeration compressor gas motor, described water pump gas motor, described fan gas motor air feed, described three linked piece is the filtration of pressurized air, decompression and mist of oil assembly, described two-bit triplet reversing valve is in order to the break-make of Non-follow control pipeline compressed air between described pressure valve by described gas source, the thermo-bulb of described pressure valve is arranged in described ice-storage box, described pressure valve detects the temperature of the secondary refrigerant solution in described ice-storage box automatically, when the temperature of secondary refrigerant solution in described ice-storage box is higher than design temperature, pressure valve is opened, and gas circuit is connected, unit operation freezes, and when the temperature of secondary refrigerant solution in ice-storage box is lower than design temperature, pressure valve is closed, and gas circuit is cut off, compressor emergency shutdown, wherein, installs described first throttle valve on described water pump gas motor, in order to regulate the rotating speed of described water pump gas motor, installs described second throttle on described fan gas motor, in order to regulate the rotating speed of described fan gas motor.
2. mine pneumatic refrigeration plant temperature control system as claimed in claim 1; it is characterized in that; when the temperature of secondary refrigerant solution in described ice-storage box is higher than-5 DEG C; pressure valve is opened; gas circuit is connected, unit operation refrigeration; when the temperature of secondary refrigerant solution in ice-storage box is lower than-10 DEG C, pressure valve is closed, and gas circuit is cut off, compressor emergency shutdown.
3. mine pneumatic refrigeration plant temperature control system as claimed in claim 1, it is characterised in that, described refrigeration compressor gas motor, water pump gas motor, fan gas motor are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255136.7A CN104033170B (en) | 2014-06-10 | 2014-06-10 | A kind of mine pneumatic refrigeration plant temperature control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410255136.7A CN104033170B (en) | 2014-06-10 | 2014-06-10 | A kind of mine pneumatic refrigeration plant temperature control system |
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| CN104033170A CN104033170A (en) | 2014-09-10 |
| CN104033170B true CN104033170B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410255136.7A Active CN104033170B (en) | 2014-06-10 | 2014-06-10 | A kind of mine pneumatic refrigeration plant temperature control system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107782023A (en) * | 2017-10-13 | 2018-03-09 | 平顶山市安泰华矿用安全设备制造有限公司 | A kind of mine pneumatic refrigerating plant |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1143161A1 (en) * | 1981-12-11 | 1990-11-23 | Институт технической теплофизики АН УССР | Apparatus for air-conditioning at deep mine levels |
| SU1352078A1 (en) * | 1986-01-06 | 1987-11-15 | Днепропетровский Государственный Проектный Институт "Днепрогипрошахт" | Mine air-contitioning unit |
| CN100464127C (en) * | 2006-11-15 | 2009-02-25 | 珠海格力电器股份有限公司 | Cold accumulation control method for ice cold accumulation machine set |
| CN202152688U (en) * | 2011-07-04 | 2012-02-29 | 阿尔西制冷工程技术（北京）有限公司 | Cool storage system for escape capsule |
| CN103161489B (en) * | 2011-12-15 | 2015-09-23 | 北京新立机械有限责任公司 | Down-hole rescue capsule nonelectric ice storage radiating and cooling device |
| CN202926370U (en) * | 2012-10-31 | 2013-05-08 | 南京玖壹环境科技有限公司 | Combined refrigeration rescue capsule refrigerating system for mine |
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