CN203114323U - Mining water storage precooling evaporative cooling air conditioning unit - Google Patents

Abstract

The water storage pre-cooling evaporative cooling air conditioning unit for mines disclosed by the utility model includes an organic unit casing, fresh air outlets and air supply outlets are respectively arranged on the opposite side walls of the unit casing, and the inside of the unit casing is sequentially arranged according to the incoming direction of fresh air. Primary filter, condensed water coil, standpipe indirect evaporative cooler, hydrodynamic water spray chamber, water baffle and blower, condensed water storage tank is set outside the unit shell, and condensed water coil passes through the pipe network Connected to the condensate reservoir. The water storage pre-cooling evaporative cooling air conditioning unit for mines of the utility model organically combines the standpipe type indirect evaporative cooler and the fluid power spray room, and also adopts the form of condensed water coil to pre-cool the fresh air, fully exerting the The leading role of evaporative cooling can not only send low-temperature air into the mine work area, effectively reduce the ambient temperature of the mine work area, but also the structure of the air-conditioning unit is compact, and the air-conditioning unit also has the advantages of environmental protection, high efficiency and energy saving.

Description

Water storage precooling evaporative cooling air conditioning unit for mine

technical field

The utility model belongs to the technical field of air conditioning equipment, and relates to a mine water storage precooling evaporative cooling air conditioning unit, in particular to a mine equipped with a condensed water coil, a standpipe type indirect evaporative cooler and a hydrodynamic water spray chamber Pre-cooling evaporatively cooled air conditioning units with water storage.

Background technique

With the development of our country's economy and social progress, under the background of the national grand strategy of energy saving and emission reduction, people urgently need a method that can effectively purify, cool down, and operate efficiently in mine air while effectively reducing air pollution. The new energy-saving ventilation and cooling device for mines with system electricity can improve the working environment of mines.

Combining condensate coils, standpipe indirect evaporative coolers and hydrodynamic water spray chambers to form water storage precooling evaporative cooling air conditioning units for mines. Moreover, the condensed water on the wall of the mine is well used to cool the air, which is an energy-saving and environment-friendly air-conditioning device.

Contents of the invention

The purpose of the utility model is to provide a mine water storage precooling evaporative cooling air conditioning unit, which can not only send low-temperature air into the mine work area, effectively reduce the ambient temperature of the mine work area, but also has a compact structure.

The technical solution adopted by the utility model is that the water storage pre-cooling evaporative cooling air conditioning unit for mines includes an organic unit casing, and fresh air outlets and air supply outlets are respectively arranged on the opposite side walls of the unit casing. In the direction of entry, there are primary filter, condensate coil, standpipe indirect evaporative cooler, hydrodynamic water spray chamber, water baffle and air blower in sequence. The coil is connected to the condensate storage tank through the pipe network.

The utility model is also characterized in that,

The pipe network structure connecting the condensate coil to the condensate storage tank is as follows: the outlet end of the condensate coil is connected to the condensate storage tank through the outlet pipe, and the water inlet end of the condensate coil is connected to the condensate storage tank through the water inlet pipe. The pool is connected, and a water pump is arranged on the water inlet pipe.

The vertical tube type indirect evaporative cooler includes a vertical heat exchange tube group, the upper part of the vertical heat exchange tube group is provided with a nozzle, the upper part of the nozzle is provided with an exhaust fan, and the corresponding exhaust fan is provided on the top wall of the unit shell. The air outlet, the lower part of the vertical heat exchange tube group is provided with a water collection box a, and the side walls of the unit shell corresponding to the opposite side walls of the water collection box a are provided with secondary air outlets, and the water collection box a is provided with a water filter a, the water filter a is connected to the nozzle through a water pipe, and a circulating water pump a is arranged on the water pipe.

The hydrodynamic water spray chamber includes a target impact flow nozzle, a water collection tank b is arranged at the lower part of the target impact flow nozzle, and a water filter b is arranged in the water collection tank b, and the water filter b passes through the water supply standpipe and the target type The impinging flow nozzle is connected, and the water supply vertical pipe in the water collection tank b is also provided with a circulating water pump b.

The layout of the target impinging flow nozzles is two rows of opposite jets.

The beneficial effect of the utility model is that,

1. After the fresh air is filtered by the primary filter, it enters the condensate coil device. After being pre-cooled by the condensate coil, it enters the standpipe indirect evaporative cooler for iso-humid cooling, which can obtain lower temperature air. The fluid power spray room is equal to enthalpy humidification and cooling, and then sent to the mine working area.

2. The condensed water passed through the condensed water coil comes from the condensed water storage tank, and the condensed water in the condensed water storage tank comes from the condensed water on the wall surface of the well. To cool the air, the condensed water in the condensed water coil and the air outside the condensed water coil adopt a counter-flow type, that is, the air flows from left to right, and the condensed water flows from right to left.

3. The standpipe type indirect evaporative cooler adopted in the mine water storage pre-cooling evaporative cooling air conditioning unit of the utility model makes the structure of the whole air conditioning unit compact and saves space; at the same time, the primary air flows from the condensed water coil Skimming: On the one hand, due to gravity, it is difficult for some residual dust in the air to accumulate outside the condensate coil; on the other hand, it is easier to clean the accumulated impurities.

4. The nozzles in the hydrodynamic water spray chamber adopt target-type impinging flow nozzles, which have a good anti-clogging effect when applied to mines. The impinging flow nozzles themselves have a water film atomization angle of up to 180°, and the coverage is wide and The characteristics of uniform dispersion can improve the effect of direct evaporative cooling, and the hydrodynamic water spray chamber can also purify the mine air to a certain extent.

Description of drawings

Fig. 1 is the structural diagram of the mine water storage precooling evaporative cooling air conditioning unit of the present utility model;

Fig. 2 is the front structural view of the condensate coil device in the water storage precooling evaporative cooling air conditioning unit of the utility model;

Fig. 3 is a front structural view of the hydrodynamic water spray chamber in the water storage precooling evaporative cooling air conditioning unit for mines of the utility model.

In the figure, 1. Fresh air outlet, 2. Primary filter, 3. Condensate coil, 4. Standpipe indirect evaporative cooler, 5. Water filter a, 6. Circulating water pump a, 7. Nozzle, 8 .Fluid power spray chamber, 9. Water filter b, 10. Circulating water pump b, 11. Target impact flow nozzle, 12. Water baffle, 13. Fan, 14. Air supply port, 15. Secondary air port, 16. Exhaust fan, 17. Air outlet, 18. Condensed water storage tank, 19. Water collection tank a, 20. Water collection tank b, 21. Water pump.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The water storage pre-cooling evaporative cooling air conditioning unit for mines of the utility model has a structure as shown in Figure 1, including an organic unit housing, and fresh air outlets 1 and air supply outlets 14 are respectively arranged on the opposite side walls of the unit housing. According to the incoming direction of the fresh air, there are primary filter 2, condensed water coil 3, standpipe indirect evaporative cooler 4, fluid power spray chamber 8, water baffle 12 and air blower 13 arranged in the shell in sequence. A condensed water storage tank 18 is provided, and the condensed water coil 3 is connected to the condensed water storage tank 18 through a pipe network.

The condensed water coil 3 is connected to the condensed water storage tank 18 through a pipe network. The pipe network structure is as shown in FIG. The water inlet end of the water coil 3 is connected to the condensed water storage tank 18 through a water inlet pipe, and a water pump 21 is arranged on the water inlet pipe.

The vertical tube type indirect evaporative cooler 4 includes a vertical heat exchange tube group, the upper part of the vertical heat exchange tube group is provided with a nozzle 7, and the upper part of the nozzle 7 is provided with an exhaust fan 16, and the unit shell corresponding to the exhaust fan 16 The top wall is provided with an air outlet 17, the lower part of the vertical heat exchange tube group is provided with a water collection tank a19, and the side walls of the unit shell corresponding to the opposite side walls of the water collection tank a19 are provided with secondary air outlets 15, and the water collection box A19 is provided with a water filter a5, and the water filter a5 is connected to the nozzle 7 through a water pipe, and a circulating water pump a6 is arranged on the water pipe.

The hydrodynamic water spray chamber 8 has a structure as shown in Figure 3, and includes a target impact flow nozzle 11, the bottom of the target impact flow nozzle 11 is provided with a water collection box b20, and a water filter b9 is arranged in the water collection box b20. The water filter b9 is connected to the target impinging flow nozzle 11 through a water supply standpipe, and a circulating water pump b10 is also arranged on the water supply standpipe in the water collection tank b20.

The arrangement of the target impinging flow nozzles 11 in the hydrodynamic water spray chamber 8 is two rows of opposing sprays.

The water storage precooling evaporative cooling air conditioning unit for mines of the utility model is composed of a condensed water coil, a standpipe type indirect evaporative cooler and a hydrodynamic water spray chamber. The low-temperature air processed by the air conditioning unit is sent to the mine working area.

The fresh air first enters the condensate coil 3 through the fresh air outlet 1 and the primary filter 2. After being pre-cooled by the condensate coil 3, it enters the vertical pipe indirect evaporative cooler 4. The water in the condensate coil 3 comes from the condensate Water storage tank 18, the water in the condensed water storage tank 18 is the condensed water on the wall of the mine, the right end of the condensed water coil 3 is the water inlet, and the left end is the water outlet, which is in the form of countercurrent flow with the air, which maximizes the impact on the air. cooling effect.

The primary filter 2 and the condensed water coil 3 constitute the condensed water coil, which is the first-stage air treatment process.

Heat exchange tube group, nozzle 7, exhaust fan 16, air outlet 17, secondary air outlet 15, water collection tank a19 circulating water pump a6, water filter a5 and water pipes form a standpipe type indirect evaporative cooler as the second stage air treatment process .

The target type impinging flow nozzle 11, the water collecting tank b20, the water filter b9, the circulating water pump b10, and the water supply standpipe form a hydrodynamic water spray chamber, which is the third stage air treatment process.

The primary effect filter 2 can purify the air, which improves the heat and mass exchange efficiency between the air and the condensed water coil 3 , the standpipe type indirect evaporative cooler 4 and the water spray chamber 8 of the fluid power chamber.

In the hydrodynamic water spray chamber 8, the arrangement of the target impingement flow nozzles 11 is double-row opposite spraying, which can better improve the heat and mass exchange efficiency between air and water. The nozzles 11 are connected, and the impinging flow nozzle 11 itself has a water film atomization angle of up to 180°, wide coverage and uniform dispersion, which can improve the effect of direct evaporative cooling and have a certain purification effect on mine air.

The water in the water collecting tank a19 and the water collecting tank b20 all will be processed through respective water filters, so as to prevent the circulating water pump in the respective water tanks and the water outlet of the water supply pipeline from clogging.

The water baffle 12 is to separate the water in the air passing through the hydrodynamic water spray chamber 8, so as to reduce the amount of water taken away in the treated air.

The working process of the utility model water storage precooling evaporative cooling air conditioning unit for mines:

The fresh air enters through the fresh air outlet 1, and after the dust is filtered by the primary filter 2, it enters the condensate coil 3 for pre-cooling. The right end of the condensate coil 3 is water inlet, and the left end is water outlet; The air enters the vertical pipe type indirect evaporative cooler 4, and the water purified by the water filter a5 is pressurized by the circulating water pump a6, and is supplied to the nozzle 7 through the water pipe, and the water droplets are poured into the tube of the vertical heat exchange tube group by the nozzle 7 wall, heat and moisture exchange with the secondary air coming in from the secondary air outlet 15, so that the primary air outside the vertical heat exchange tube group is isohumidally cooled, and the air that has been further cooled enters the hydrodynamic spray chamber 8, It exchanges heat and mass with the water that is pressurized by the circulating water pump b10 and sprayed out by the target impingement flow nozzle 11. After the isenthalpy cooling and humidification treatment, the low-temperature air is sent into the Mine work area.

Claims (5)

1. mine is with retaining precooling Evaporative Cooling Air Conditioning unit, it is characterized in that, include machine unit shell, machine unit shell is respectively arranged with fresh wind port (1) and air outlet (14) on the relative two side, be disposed with roughing efficiency air filter (2) by new wind approach axis in the described machine unit shell, condensate water coil pipe (3), vertical pipe type indirect evaporation cooler (4), hydrokinetic type spray chamber (8), watertight shutter (12) and ventilator (13), described machine unit shell outer setting has condensate water reservoir (18), and described condensate water coil pipe (3) is connected with described condensate water reservoir (18) by pipe network.

2. mine according to claim 1 is with retaining precooling Evaporative Cooling Air Conditioning unit, it is characterized in that, described condensate water coil pipe (3) with the pipe network structure that condensate water reservoir (18) is connected is: the water side of described condensate water coil pipe (3) is connected with described condensate water reservoir (18) by outlet pipe, the water inlet end of described condensate water coil pipe (3) is connected with described condensate water reservoir (18) by water inlet pipe, and described water inlet pipe is provided with water pump (21).

3. mine according to claim 1 and 2 is with retaining precooling Evaporative Cooling Air Conditioning unit, it is characterized in that, described vertical pipe type indirect evaporation cooler (4), include vertical set of heat exchange tubes, the top of vertical set of heat exchange tubes is provided with nozzle (7), the top of described nozzle (7) is provided with exhaust blower (16), the corresponding machine unit shell roof of exhaust blower (16) is provided with air outlet (17), the bottom of described vertical set of heat exchange tubes is provided with header tank a(19), described header tank a(19) all is provided with overfiren air port (15) on the corresponding machine unit shell sidewall of two lateral walls, described header tank a(19) is provided with water filter a(5 in), described water filter a(5) be connected with described nozzle (7) by water pipe, described water pipe is provided with circulating water pump a(6).

4. mine according to claim 1 is with retaining precooling Evaporative Cooling Air Conditioning unit, it is characterized in that, described hydrokinetic type spray chamber (8), include target formula impinging stream nozzle (11), the bottom of described target formula impinging stream nozzle (11) is provided with header tank b(20), described header tank b(20) is provided with water filter b(9 in), described water filter b(9) be connected described header tank b(20 with described target formula impinging stream nozzle (11) by the water supply standpipe) in the water supply standpipe on also be provided with circulating water pump b(10).

5. mine according to claim 4 is characterized in that with retaining precooling Evaporative Cooling Air Conditioning unit, and the arrangement of described target formula impinging stream nozzle (11) is that two rows are to spray.

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