CN103075172B - A kind of mine return air heat energy based on original retention tower utilizes device - Google Patents
A kind of mine return air heat energy based on original retention tower utilizes device Download PDFInfo
- Publication number
- CN103075172B CN103075172B CN201310005469.XA CN201310005469A CN103075172B CN 103075172 B CN103075172 B CN 103075172B CN 201310005469 A CN201310005469 A CN 201310005469A CN 103075172 B CN103075172 B CN 103075172B
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- Prior art keywords
- return air
- air heat
- retention tower
- reservoir
- pipeline
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- 230000014759 maintenance of location Effects 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000007921 spray Substances 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 6
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 101150006257 rig-4 gene Proteins 0.000 description 11
- 239000003245 coal Substances 0.000 description 6
- 238000005065 mining Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to a kind of mine return air heat energy based on original retention tower and utilize device, it is made up of retention tower, guiding device, return air heat-exchanger rig, reservoir.Bottom retention tower, catch basin is set, catch basin connects reservoir, retention tower top connects guiding device air intake, diversion shell adopts gradual-enlargement type structure, guiding device air outlet connects return air heat-exchanger rig, return air heat-exchanger rig spray main pipeline one end passes heat exchange housing and connects reservoir, and spray branch pipe(tube) is arranged in the parallel connection of the spray main pipeline other end more, forms return air heat exchange circulation line between return air heat-exchanger rig and reservoir; Reservoir connects a source pump evaporator shell by pipeline, and form return air heat exchange secondary cycle pipeline, evaporator heat exchange pipeline is connected condenser shell by compressor with choke valve, forms refrigeration working medium circulation line; Condenser heat-exchange pipes road connects subscriber equipment by pipeline, forms hot water circulating pipeline.The present invention can be used for the recycling of mine return air heat energy.
Description
Technical field
The present invention relates to a kind of heat-energy utilizing device, particularly about a kind of device based on heat energy in the recycling coal mine return air of original retention tower.
Background technology
Energy and environment are the key factors affecting socio-economic development.Coal industry as development of resources type industry, its continuous for Chinese society development the energy is provided while, also consumes certain energy, environment of mining area polluted.At present, China's major part colliery building heating, equipment and worker bathroom domestic hot-water etc. are provide thermal source by traditional coal-burning boiler, this heat-supplying mode not only consumes a large amount of coal, and also can discharge a large amount of poisonous and hazardous gas during coal burning, compromise mining area ecological environment, the health of the harm mining area people.
In order to respond National Sustainable Development Strategies target, coal industry is pushed forward comprehensively and is developed a circular economy, and promote energy-saving and emission-reduction, the recycling of the existing heat sources in colliery becomes important subject.Mine ventilation is the requisite link in pit mining colliery, and mine return air is owing to carrying down-hole rock heat, electromechanical equipment heat release and temperature is higher, and contain a large amount of heat energy, recycling has a high potential.
Also the research that mine return air heat energy is utilized is had in prior art.Some technician install dividing wall type heat exchanger on mine return air main air duct or bypass air channel, this mode mine return air does not directly contact with heat exchanging fluid, by heat exchanger indirect heat exchange, heat exchanger volume is larger, in addition mine return air high humidity, dustiness is comparatively large, easily causes heat exchanger surface laying dust, corrosion, affects heat transfer effect.
In order to adapt to the feature of mine return air, some technician adopt and install single shower on mine return air retention towers, adopt spray heat exchange form, utilize " air-water " to be in direct contact with retention tower inside and carry out interchange of heat.This mode can avoid heat exchanger surface laying dust phenomenon.But, when mine return air wind speed is higher, heat-exchange time is insufficient, and water droplet is very easily taken away to cause by return and is flown water loss, and in order to ensure enough " air-water " heat transfer spaces, often need to design the retention tower matched, some requirement of engineering builds retention tower again, which increases capital investment.Therefore, how on the basis not changing the original form of retention tower, the whole recyclings realizing mine return air heat energy are our problem demanding prompt solutions.
Summary of the invention
For the problems referred to above, the object of this invention is to provide on a kind of basis not changing the original form of retention tower, the mine return air heat energy realizing mine return air heat energy high efficiente callback utilization utilizes device.
For achieving the above object, the present invention takes following technical scheme: a kind of mine return air heat energy based on original retention tower utilizes device, it is made up of the retention tower be connected with mine return air air outlet, guiding device, return air heat-exchanger rig, reservoir, it is characterized in that: bottom retention tower, catch basin is set, catch basin connects reservoir by pipeline, retention tower inside arranges some watertight shutters, and retention tower top connects guiding device and return air heat-exchanger rig successively; Guiding device comprises diversion shell, air intake, air outlet, and diversion shell adopts gradual-enlargement type structure, and air outlet area is greater than described air-admitting surface; Return air heat-exchanger rig comprises heat exchange housing, spray main pipeline, spray branch pipe(tube), spray equipment, baffle device for water, one end of spray main pipeline passes heat exchange housing and connects reservoir, spray branch pipe(tube) is arranged in the other end parallel connection of spray main pipeline more, and spray branch pipe(tube) arranges some spray equipments; Reservoir also connects source pump by pipeline, and source pump connects subscriber equipment simultaneously.
Above-mentioned diversion shell adopts steel plate material, and steel plate thickness is 6-10mm, and diversion shell outside is rock cotton board insulation layer.
Distinguished and admirable Flow Velocity excessively in above-mentioned return air heat-exchanger rig is 2-3m/s.
Above-mentioned retention tower and watertight shutter with bolts.
Above-mentioned retention tower outlet adopts Flange joint with guiding device air intake.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention is provided with guiding device due to supporting between retention tower and return air heat-exchanger rig, guiding device adopts gradual-enlargement type structure, reduce and enter return air heat-exchanger rig mine return air wind speed, extend heat-exchange time, solve on the basis not changing the original form of retention tower, the difficult problem that the high efficiente callback realizing mine return air heat energy utilizes.2, anticorrosion, waterproof, antirust treatment are done in diversion shell inside of the present invention, and outer setting has rock cotton board insulation layer, effectively can reduce mine return air source heat loss.3, retention tower inside of the present invention arranges some watertight shutters, effectively prevents shower water from blowing back into mine return air air outlet, has ensured collecting of shower water simultaneously, safe and reliable.4, the return air heat-exchanger rig in the present invention adopts many row's spray forms, and spray equipment produces high density high-pressure water mist, and baffle device for water is established at top, ensures the abundant heat exchange of spray water mist and mine return air, can be widely used in the heat energy recycle of mine return air.
Accompanying drawing explanation
Fig. 1 is structure and working principle schematic diagram of the present invention
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1, the present invention includes the retention tower 2 be connected with mine return air air outlet 1, the guiding device 3 being arranged on retention tower 2 top and return air heat-exchanger rig 4, reservoir 5.
Catch basin 21 is set bottom retention tower 2, for collect with mine return air heat exchange after shower water, catch basin 21 is connected with reservoir 5 by collecting conduit, and retention tower 2 is inner is provided with some watertight shutters 22 with mine return air air outlet junction, prevents shower water from blowing back into mine return air air outlet 1.
The guiding device 3 being vertically arranged on retention tower 2 top comprises diversion shell 31, be arranged on the air intake 32 bottom diversion shell 31 and be arranged on the air outlet 33 at diversion shell 31 top, air intake 31 and the retention tower 2 of guiding device 3 export and pass through Flange joint, air outlet 33 top of guiding device 3 arranges return air heat-exchanger rig 4, diversion shell 31 adopts gradual-enlargement type structure from bottom to top, the area of air outlet 33 is greater than the area of air intake 32, thus while increasing heat transfer space, reduce the mine return air wind speed entering return air heat-exchanger rig 4, extend heat-exchange time.Diversion shell 31 adopts steel plate to make, and anticorrosion, waterproof, antirust treatment are carried out in inside. and isothermal holding is carried out in outside.
Return air heat-exchanger rig 4 is made up of heat exchange housing 41, spray main pipeline 42, spray branch pipe(tube) 43, spray equipment 44 and baffle device for water 45.Spray main pipeline 42 one end passes heat exchange housing 41 and is connected with reservoir 5, arrange Sprayer Circulation water pump 01 in reservoir 5 water in reservoir 5 to be introduced in the spray main pipeline 41 of return air heat-exchanger rig 4, spray branch pipe(tube) 42 is arranged in the other end parallel connection of spray main pipeline 41 more, spray branch pipe(tube) 42 is provided with some spray equipments 44, spray equipment 44 produces downward high-pressure spraying water smoke, return air heat-exchanger rig 4 top arranges baffle device for water 45 to stop that water smoke is taken out of by return air, be pooled in the catch basin 21 arranged bottom retention tower 3 under the drainage of some watertight shutters 22 arranged at guiding device 3 and retention tower 2 inside with the spray water mist after mine return air contact heat-exchanging, thus between return air heat-exchanger rig 4 and reservoir 5, form return air heat exchange circulation line, realize the extraction of heat energy in mine return air.
The other end of reservoir 5 is also provided with heat-source Cycles water pump 02, heat-source Cycles water pump 02 connects the water inlet end of evaporimeter 61 housing of source pump 6 in the waste heat recycling system of coal mine return air source by thermal source inlet channel, the water side of evaporimeter 61 housing of source pump 6 connects back reservoir 5 by thermal source water return pipeline, forms return air heat exchange secondary cycle pipeline.Evaporimeter 61 heat exchange pipeline of source pump 6 is connected condenser 62 housing by compressor 63 with choke valve 64, forms refrigeration working medium circulation line.The condenser 62 heat exchange pipeline output of source pump 6 is connected subscriber equipment 7 water inlet end by hot-water circulating pump 03 with hot water delivery pipe road, subscriber equipment 7 water side connects condenser 62 heat exchange pipeline input by the defeated return pipe road of hot water, forms hot water circulating pipeline.
In above-described embodiment, can be with bolts between retention tower 2 and watertight shutter 22, so that the installation and removal of watertight shutter 22.
In above-described embodiment, in return air heat-exchanger rig 4, distinguished and admirable Flow Velocity is excessively 2-3m/s.
In above-described embodiment, diversion shell 31 adopts steel plate thickness to be 6-10mm, and diversion shell 31 external insulation layer is rock cotton board.
The present invention can realize the heat energy reclaimed in mine return air and meet subscriber equipment heat demand, and its specific works principle is as follows:
The mine return air that mine return air air outlet 1 is discharged enters retention tower 2 and guiding device 3 successively, because guiding device 3 air outlet 33 area is greater than air intake 32 area, mine return air airflow velocity when guiding device 3 reduces, the steady air flow that mine return air changes low speed into flows in return air heat-exchanger rig 4, with how arrange spray the downward high-pressure fog contact heat-exchanging sprayed of the spray equipment 44 that branch pipe(tube) 43 is arranged after discharge, spray water mist after heat exchange is by baffle device for water 45 choked flow at return air heat-exchanger rig 4 top, in guiding device 5 and retention tower 2 watertight shutter 22 drainage under be pooled in catch basin 21, reservoir 5 is entered into afterwards by collecting conduit, the Sprayer Circulation water of reservoir 5 is constantly pressed in return air heat-exchanger rig 4 by spray main pipeline 41 by Sprayer Circulation water pump 01, with mine return air cycle heat exchange.Shower water after heat-obtaining is sent to evaporimeter 61 in source pump 6 by the heat-source Cycles water pump 02 of reservoir 5 other end, refrigeration working medium heat exchange in shower water in evaporimeter 61 and evaporimeter 61 returns reservoir 5 after lowering the temperature, and in evaporimeter 61 refrigeration working medium heat absorption after, high temperature and high pressure gas is transformed into by compressor 63, enter in condenser 62 and use water heat release to what need to heat, the liquid being transformed into low-temp low-pressure through expansion valve 64 afterwards turns back in evaporimeter 61, continues and the shower water cycle heat exchange entered in evaporimeter 61.From condenser 62 after heat-obtaining with water extraction supply subscriber equipment 7, meet building and heating, wellhead anti-freezing, bath hot water etc. and use heat demand.
The various embodiments described above are only for illustration of the present invention, and wherein the structure, connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (2)
1. one kind utilizes device based on the mine return air heat energy of original retention tower, it is made up of the retention tower be connected with mine return air air outlet, guiding device, return air heat-exchanger rig, reservoir, it is characterized in that: bottom described retention tower, catch basin is set, described catch basin connects described reservoir by pipeline, described retention tower inside arranges some watertight shutters, and described retention tower top connects described guiding device and described return air heat-exchanger rig successively; Described guiding device comprises diversion shell, air intake, air outlet, described diversion shell adopts gradual-enlargement type structure, described air outlet area is greater than described air-admitting surface, described retention tower outlet adopts Flange joint with described guiding device air intake, described diversion shell adopts steel plate material, steel plate thickness is 6-10mm, and described diversion shell outside is rock cotton board insulation layer; Described return air heat-exchanger rig comprises heat exchange housing, spray main pipeline, spray branch pipe(tube), spray equipment, baffle device for water, one end of described spray main pipeline passes described heat exchange housing and connects described reservoir, described spray branch pipe(tube) is arranged in the other end parallel connection of described spray main pipeline more, and described spray branch pipe(tube) arranges some spray equipments; Distinguished and admirable Flow Velocity excessively in described return air heat-exchanger rig is 2-3m/s; Described reservoir also connects source pump by pipeline, and described source pump connects subscriber equipment simultaneously.
2. a kind of mine return air heat energy based on original retention tower utilizes device as claimed in claim 1, it is characterized in that: described retention tower and described watertight shutter with bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005469.XA CN103075172B (en) | 2013-01-08 | 2013-01-08 | A kind of mine return air heat energy based on original retention tower utilizes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005469.XA CN103075172B (en) | 2013-01-08 | 2013-01-08 | A kind of mine return air heat energy based on original retention tower utilizes device |
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| Publication Number | Publication Date |
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| CN103075172A CN103075172A (en) | 2013-05-01 |
| CN103075172B true CN103075172B (en) | 2015-08-12 |
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| CN201310005469.XA Expired - Fee Related CN103075172B (en) | 2013-01-08 | 2013-01-08 | A kind of mine return air heat energy based on original retention tower utilizes device |
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| CN103498692B (en) * | 2013-10-23 | 2015-08-19 | 湖南科技大学 | Resistance spray equipment and method for designing fall in a kind of water saving of mine for air exhaustion heat utilization |
| CN103604212B (en) * | 2013-11-25 | 2016-03-02 | 北京矿大节能科技有限公司 | A kind of large temperature difference well head heater and the method for operation thereof |
| CN105180245A (en) * | 2015-08-12 | 2015-12-23 | 北京矿大节能科技有限公司 | Double-heat-source heat energy utilization system for coal mine and operating mode thereof |
| CN106440056A (en) * | 2016-11-17 | 2017-02-22 | 珠海格力电器股份有限公司 | Air conditioner cabinet |
| CN107830745A (en) * | 2017-12-11 | 2018-03-23 | 山东宜美科节能服务有限责任公司 | A kind of prefabricated multistage mine air-lack heat exchange columns |
| CN108506036A (en) * | 2018-03-16 | 2018-09-07 | 江南大学 | A kind of mine cooling and heating system using mine return air heat energy |
| CN108756993A (en) * | 2018-07-21 | 2018-11-06 | 中环智创（北京）科技有限公司 | A kind of big temperature difference mine return air heat energy recovery system |
| CN109162747B (en) * | 2018-10-19 | 2024-01-26 | 中国恩菲工程技术有限公司 | Mine return air guiding device |
| CN109854291A (en) * | 2019-04-11 | 2019-06-07 | 山东美天能源科技有限公司 | A kind of indirect defroster for mineshaft of high-efficiency mine return air |
| CN113294195A (en) * | 2021-06-28 | 2021-08-24 | 中亘节能科技有限公司 | Ventilation air methane heat taking system and method for coal mine well mouth freeze prevention |
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| KR200169541Y1 (en) * | 1999-08-07 | 2000-02-15 | 서종대 | Pressure spray type crossflow cooling tower |
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| CN201852361U (en) * | 2010-11-09 | 2011-06-01 | 北京矿大节能科技有限公司 | Mine return air source heat pump system |
| CN102410036A (en) * | 2011-09-27 | 2012-04-11 | 北京矿大节能科技有限公司 | High-speed mine return-air heat exchanger and application method thereof |
| CN203022791U (en) * | 2013-01-08 | 2013-06-26 | 北京矿大节能科技有限公司 | Mine return air heat energy utilizing device based on original diffusion tower |
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2013
- 2013-01-08 CN CN201310005469.XA patent/CN103075172B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200169541Y1 (en) * | 1999-08-07 | 2000-02-15 | 서종대 | Pressure spray type crossflow cooling tower |
| KR20020020060A (en) * | 2000-09-07 | 2002-03-14 | 이구택 | Device for recycling of spray water and steam in cooling tower |
| CN201381870Y (en) * | 2009-04-16 | 2010-01-13 | 权犇 | Device for fully recycling return air residual heat in mine |
| CN201771533U (en) * | 2010-05-24 | 2011-03-23 | 北京矿大节能科技有限公司 | Comprehensive mine return air treatment and diffusion tower |
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| CN102410036A (en) * | 2011-09-27 | 2012-04-11 | 北京矿大节能科技有限公司 | High-speed mine return-air heat exchanger and application method thereof |
| CN203022791U (en) * | 2013-01-08 | 2013-06-26 | 北京矿大节能科技有限公司 | Mine return air heat energy utilizing device based on original diffusion tower |
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| CN103075172A (en) | 2013-05-01 |
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Granted publication date: 20150812 Termination date: 20180108 |