CN107560035A - External screw thread standpipe dew point indirect evaporative cooling air processor group based on ground source - Google Patents

External screw thread standpipe dew point indirect evaporative cooling air processor group based on ground source Download PDF

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Publication number
CN107560035A
CN107560035A CN201710747068.XA CN201710747068A CN107560035A CN 107560035 A CN107560035 A CN 107560035A CN 201710747068 A CN201710747068 A CN 201710747068A CN 107560035 A CN107560035 A CN 107560035A
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CN
China
Prior art keywords
screw thread
external screw
air
dew point
water
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Pending
Application number
CN201710747068.XA
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Chinese (zh)
Inventor
黄翔
黄凯新
严政
张鸿
安苗苗
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Xian Polytechnic University
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Xian Polytechnic University
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Priority to CN201710747068.XA priority Critical patent/CN107560035A/en
Publication of CN107560035A publication Critical patent/CN107560035A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/40Geothermal heat-pumps

Abstract

External screw thread standpipe dew point indirect evaporative cooling air processor group disclosed by the invention based on ground source, including housing, housing sidewall opposite sides is respectively arranged with air inlet and air outlet, and housing is interior to be disposed with filter, surface cooler, indirect evaporating-cooling section, air baffle, direct evaporating-cooling section, water fender and pressure fan according to air-flow direction;Secondary Air outlet is provided with housing at the top of indirect evaporating-cooling section;Buried pipe is connected with surface cooler.The air-treatment unit of the present invention is by the way that evaporation cooling technique is combined with ground source heat pump technology, summer carries out precooling using the cold of underground storage to fresh air, winter is preheated using the heat of underground storage, air is strengthened by its flow-disturbing during external screw thread heat-exchanging tube bundle, improves the heat exchange efficiency of dew point indirect evaporative cooler.

Description

External screw thread standpipe dew point indirect evaporative cooling air processor group based on ground source
Technical field
The invention belongs to air conditioner technical field, and in particular to a kind of external screw thread standpipe dew point based on ground source steams indirectly Send out cooling air processor group.
Background technology
With the increasingly raising of China's economic level, people pass to the requirement more and more higher for the living environment comfort level that works Although the mechanical refrigeration air-conditioning of system can effectively control indoor thermal environment, ensure the thermal comfort of indoor occupant, its initial cost And operating cost is very high, while the infringement that can not be die out also is caused to environment, such as global warming, depletion of the ozone layer. The life of people is just gradually being come into the appearance of the energy-conservations such as evaporation cooling technique, ground source heat pump technology, low-carbon, environmental-protection refrigeration air conditioner technology It is living, more and more important role is play in field of air conditioning.
Ground source heat pump technology is to measure cold (heat) that is stored in surface soil, by the form of underground pipe through in-pipe flow handle Cold (heat) amount is taken out of, air is cooled down (heating);Evaporation cooling technique is cooled down using the principle of water evaporation heat absorption The Temperature fall mode of air.The combination of two kinds of green technologies will greatly promote the efficiency of air-treatment unit, while greatly Reduce energy consumption.
Most of existing standpipe dew point indirect evaporative cooler using straight tube as heat exchanger tube, air by restrain flow-disturbing compared with Small, heat exchange efficiency is relatively low, the problem of wasting the energy, heat exchange efficiency is low in use be present.
The content of the invention
It is an object of the invention to provide a kind of external screw thread standpipe dew point indirect evaporative cooling air processor based on ground source Group, solving the problems, such as air-treatment unit, energy waste is big in use, heat exchange efficiency is low.
The technical solution adopted in the present invention is the external screw thread standpipe dew point indirect evaporative cooling air processing based on ground source Unit, including housing, housing sidewall opposite sides are respectively arranged with air inlet and air outlet, and housing is interior according to air-flow direction It is disposed with filter, surface cooler, indirect evaporating-cooling section, air baffle, direct evaporating-cooling section, water fender and send Blower fan;Secondary Air outlet is provided with housing at the top of indirect evaporating-cooling section;Buried pipe is connected with surface cooler.
It is of the invention to be further characterized in that,
Indirect evaporating-cooling section includes indirect evaporation cooler, and the top of indirect evaporation cooler is provided with water-locator a, The bottom for connecing devaporizer is provided with cyclic water tank a, and cyclic water tank a passes sequentially through buried pipe and connects water-locator with surface cooler a。
Water circulating pump a is additionally provided with buried pipe.
Indirect evaporation cooler is external screw thread standpipe dew point indirect evaporative cooler, specifically include it is some be vertically arranged it is outer Screw thread standpipe, each external screw thread bottom of vertical are in contact by dividing plate with cyclic water tank a, per two adjacent external screw thread standpipes Top be respectively provided with water conservancy diversion grid;
Primary air passage is respectively formed between the adjacent external screw thread standpipe of each two, two are respectively formed in each external screw thread standpipe Secondary air duct.
Along surface cooler to the direction of air baffle, the vertical length of external screw thread standpipe is stepped to successively decrease successively.
The top of each external screw thread standpipe is provided with outlet, and fluted, groove is connected per between two adjacent outlets Water conservancy diversion grid is formed with the outer wall of two outlets.
Buried pipe is located under earth's surface at 2-4m, and is the coil pipe of continuous " S " shape arrangement.
Secondary Air is provided with overfire air fan in outlet.
Direct evaporating-cooling section includes the filler for the central shaft and central column being mutually socketed, and one end of central shaft is additionally provided with Hydrodynamic(al) shaft coupling, filler top are provided with water-locator b, filler bottom be provided with cyclic water tank b, cyclic water tank b and water-locator b it Between pass sequentially through water pipe G1, hydrodynamic(al) shaft coupling connects water-locator b with water pipe G2.
Water circulating pump b is provided with water pipe G1.
The beneficial effect of air-treatment unit of the present invention is:
1) evaporation cooling technique is combined by air-treatment unit of the present invention with ground source heat pump technology, is embedded in by level Below ground surface 2-4m closure heat exchange pipeline carries out the cold and hot cold for exchanging, shifting underground storage with soil, for air Precooling or preheating are carried out, reduces or improve the temperature of air inlet air, improves set heat exchange efficiency;
2) the indirect evaporating-cooling section of air-treatment unit of the present invention, cooled down using external screw thread standpipe dew point indirect evaporative Device, when a channel air between external screw thread standpipe by when, will be produced under the influence of the screwed pipe of interlaced arrangement larger Disturbance, the heat transfer of primary air and pipe outer wall is enhanced, while also extends the time of contact of primary air and screw thread tube outer surface, Improve heat exchange efficiency;
3) water distribution of screw thread standpipe dew point indirect evaporative cooler in air-treatment unit China and foreign countries of the present invention using spray pipe with The water distribution manner that water conservancy diversion grid combines, recirculated water fall on the groove of water conservancy diversion grid after spray pipe leaching is lower, treated in groove It will be overflowed to after water is full in male-pipe, by patch attaching effect, water can be flowed down along inside pipe wall, formed uniformly in inwall quickly Moisture film;Evenly, efficiency of damp and hot exchanging is higher for which water distribution, and is supplied water only with a water pump, and does not have to nozzle, energy Amount consumption is less;
4) in the external screw thread standpipe dew point indirect evaporative cooler of air-treatment unit of the present invention, primary air sequentially passes through Standpipe;For auxiliary air, the auxiliary air of first row standpipe is a part for primary air, the auxiliary air of second row standpipe It is the primary air and progressive successively after second row processing for primary air, the auxiliary air of the 3rd row after first row processing; Auxiliary air enters in external screw thread standpipe by bottom, and from top to bottom the moisture film with inwall forms adverse current, carries out hot and humid area, by The fiducial temperature of hot and humid area is carried out in recirculated water to be reduced, and thus wet-bulb temperature reaches less than dew-point temperature, and then primary air Dew-point temperature will be approached;
5) the direct evaporating-cooling section of air-treatment unit of the present invention uses Ring-cylindrical roller filler, in water circulating pump b Driving under, water in cyclic water tank b drives its rotation by hydrodynamic(al) shaft coupling, and then drives the rotation of roller filler, finally Water is sprayed by the water-locator b above filler, makes water distribution more uniform, efficiency of damp and hot exchanging is more preferable.
Brief description of the drawings
Fig. 1 is the structural representation of air-treatment unit of the present invention;
Fig. 2 is the top view of external screw thread standpipe in Fig. 1;
Fig. 3 is the stereogram of external screw thread standpipe in Fig. 1;
Fig. 4 is the structural representation of water conservancy diversion grid in air-treatment unit of the present invention;
Fig. 5 is the structural representation that air-treatment unit reclaimed water of the present invention moves shaft coupling.
In figure, 1. air inlets, 2. filters, 3. surface coolers, 4. external screw thread standpipes, 5. water conservancy diversion grids, 6. water-locator a, 7. Secondary Air exports, 8. overfire air fans, 9. air baffles, 10. fillers, 11. water-locator b, 12. hydrodynamic(al) shaft couplings, outside 12a. Shell, 12b. hydrodynamic(al) impellers, 13. water fenders, 14. pressure fan, 15. air outlets, 16. cyclic water tank b, 17. water circulating pump b, 18. ground Pipe laying road, 19. cyclic water tank a, 20. dividing plates, 21. water circulating pump a, 22. outlets, 23. grooves.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
External screw thread standpipe dew point indirect evaporative cooling air processor group of the invention based on ground source, as shown in figure 1, including Housing, housing sidewall opposite sides are respectively arranged with air inlet 1 and air outlet 15, set successively according to air-flow direction in housing It is equipped with filter 2, surface cooler 3, indirect evaporating-cooling section, air baffle 9, direct evaporating-cooling section, water fender 13 and send Blower fan 14;Secondary Air outlet 7 is provided with housing at the top of indirect evaporating-cooling section;Buried pipe 18 is connected with surface cooler 3.
Filter 2 is specially airstrainer.
Indirect evaporating-cooling section includes indirect evaporation cooler, and the top of indirect evaporation cooler is provided with water-locator a6, The bottom of indirect evaporation cooler is provided with cyclic water tank a19, and cyclic water tank a19 passes sequentially through buried pipe 18 and surface cooler 3 Connect water-locator a6;Water circulating pump a21 is additionally provided with buried pipe 18.Water circulating pump a21, which starts, provides power, cyclic water tank Then recirculated water in a19 carries out heat exchange by the precooling or preheating of buried pipe 18 by surface cooler 3 to fresh air, Indirect evaporation cooler is sprayed to by water-locator a6, is finally back to cyclic water tank a19.
Indirect evaporation cooler is external screw thread standpipe dew point indirect evaporative cooler, as shown in Figures 2 and 3, is specifically included Some external screw thread standpipes 4 being vertically arranged, each bottom of external screw thread standpipe 4 are in contact by dividing plate 20 with cyclic water tank a19, Top per two adjacent external screw thread standpipes 4 is respectively provided with water conservancy diversion grid 5;Equal shape between the adjacent external screw thread standpipe 4 of each two Into primary air passage, secondary-air passage is respectively formed in each external screw thread standpipe 4.In indirect evaporating-cooling section, fresh air conduct The primary air outer wall of horizontal swipe external screw thread standpipe 4 successively, heat exchange is carried out with pipe outer wall;Auxiliary air is from male-pipe 4 It is interior, flow through from bottom to top in pipe, hot and humid area is carried out with the moisture film of inside pipe wall.
Along surface cooler 3 to the direction of air baffle 9, the vertical length of external screw thread standpipe 4 is stepped to successively decrease successively, by Heat exchange is carried out with air successively in the horizontal direction in primary air passage, the external screw thread standpipe 4 gradually to successively decrease, which reduces, to be made Use cost.
As shown in figure 4, the top of each external screw thread standpipe 4 is provided with outlet 22, per between two adjacent outlets 22 Fluted 23 are connected, the outer wall that groove 23 and two export 22 forms water conservancy diversion grid 5.Recirculated water is sprayed in water conservancy diversion grid 5, when After ponding spill-over, recirculated water leaves along the inwall of external screw thread standpipe 4, forms uniform moisture film in inside pipe wall, improves heat exchange efficiency.
Buried pipe 18 is located under earth's surface at 2-4m, and is the coil pipe of continuous " S " shape arrangement, increases the contact with ground Area, heat exchange efficiency is improved, saved the energy.
Overfire air fan 8 is provided with Secondary Air outlet 7, overfire air fan 8 increases the air flow speed at Secondary Air outlet 7 Rate.
Direct evaporating-cooling section includes the filler 10 for the central shaft and central column being mutually socketed, and one end of central shaft is also set up There is hydrodynamic(al) shaft coupling 12, the top of filler 10 is provided with water-locator b11, and the bottom of filler 10 is provided with cyclic water tank b16, cyclic water tank Water pipe G1 is passed sequentially through between b16 and water-locator b11, hydrodynamic(al) shaft coupling 12 connects water-locator b11 with water pipe G2.As shown in figure 5, Hydrodynamic(al) shaft coupling 12 is affixed by hydrodynamic(al) impeller 12b and central shaft, is connected by shell 12a and water pipe G1 and water pipe G2.
Hydrodynamic(al) shaft coupling 12 is made up of shell 12a and built-in hydrodynamic(al) impeller 12b.
Water circulating pump b17 is provided with water pipe G1, water circulating pump b17 provides power.
The course of work of air-treatment unit of the present invention:
Fresh air is successively by air inlet 1, the impurity screening of filter 2, surface cooler 3, indirect evaporating-cooling section, air conducting Plate 9, direct evaporating-cooling section, water fender 13, pressure fan 14 and air outlet 15 are got in;
When in indirect evaporating-cooling section, water circulating pump a21, which starts, provides power, the recirculated water in cyclic water tank a19 By the precooling or preheating of buried pipe 18, heat exchange is then carried out by surface cooler 3 and fresh air, sprayed by water-locator a6 Spill to indirect evaporation cooler, be finally back to cyclic water tank a19;Circulation water section falls into water conservancy diversion lattice in indirect evaporation cooler In grid 5, the primary air outer wall of horizontal swipe external screw thread standpipe 4 successively, heat exchange is carried out with pipe outer wall;Auxiliary air is from outer spiral shell In line pipe 4, flow through from bottom to top in pipe, enter inside pipe wall after recirculated water spill-over in water conservancy diversion grid 5, auxiliary air with pipe The moisture film of wall carries out hot and humid area from the outflow of Secondary Air outlet 7, after primary air absorbs the heat of tube wall and recirculated water, under One stage;
Primary air enters direct evaporating-cooling section, and water circulating pump b17 provides power, by the circulation in cyclic water tank b16 Hydrodynamic(al) impeller 12b of the water successively through water pipe G1, driving hydrodynamic(al) shaft coupling 12 rotates, and central shaft rotation is then driven, by water Pipe G2 enters water-locator b11, and recirculated water is sprayed to filler 10 by water-locator b11, after passing sequentially through the progress heat exchange of filler 10 Discharge, recirculated water are fallen after rise to cyclic water tank b16.
A kind of external screw thread standpipe dew point indirect evaporative cooling air processor group based on ground source of the present invention, cools down evaporation Technology is combined with ground source heat pump technology, and summer carries out precooling to fresh air using the cold of underground storage, and winter is stored up using underground The heat deposited is preheated, and air is strengthened by its flow-disturbing during external screw thread heat-exchanging tube bundle, improves dew point indirect evaporative cooler Heat exchange efficiency.

Claims (10)

1. the external screw thread standpipe dew point indirect evaporative cooling air processor group based on ground source, it is characterised in that including housing, shell Body sidewall opposite sides is respectively arranged with air inlet (1) and air outlet (15), is set gradually in housing according to air-flow direction There are filter (2), surface cooler (3), indirect evaporating-cooling section, air baffle (9), direct evaporating-cooling section, water fender And pressure fan (14) (13);Secondary Air outlet (7) is provided with housing at the top of described indirect evaporating-cooling section;Described table Buried pipe (18) is connected with cooler (3).
2. the external screw thread standpipe dew point indirect evaporative cooling air processor group according to claim 1 based on ground source, its It is characterised by, described indirect evaporating-cooling section includes indirect evaporation cooler, and the top of indirect evaporation cooler is provided with cloth Hydrophone a (6), the bottom of indirect evaporation cooler are provided with cyclic water tank a (19), and cyclic water tank a (19) passes sequentially through underground pipe Water-locator a (6) is connected in road (18) with surface cooler (3).
3. the external screw thread standpipe dew point indirect evaporative cooling air processor group according to claim 2 based on ground source, its It is characterised by, water circulating pump a (21) is additionally provided with described buried pipe (18).
4. the external screw thread standpipe dew point indirect evaporative cooling air processor group according to claim 2 based on ground source, its It is characterised by, described indirect evaporation cooler is external screw thread standpipe dew point indirect evaporative cooler, and it is some vertical to specifically include The external screw thread standpipe (4) of arrangement, each external screw thread standpipe (4) bottom are in contact by dividing plate (20) with cyclic water tank a (19), Top per two adjacent external screw thread standpipes (4) is respectively provided with water conservancy diversion grid (5);
Primary air passage is respectively formed between the adjacent external screw thread standpipe (4) of each two, is respectively formed in each external screw thread standpipe (4) Secondary-air passage.
5. the external screw thread standpipe dew point indirect evaporative cooling air processor group according to claim 4 based on ground source, its It is characterised by, along the surface cooler (3) to the direction of air baffle (9), the vertical length of the external screw thread standpipe (4) is in rank Scalariform is successively decreased successively.
6. the external screw thread standpipe dew point indirect evaporative cooling air processor group according to claim 4 based on ground source, its It is characterised by, the top of each external screw thread standpipe (4) is provided with outlet (22), per between two adjacent outlets (22) Connect fluted (23), the outer wall of the groove (23) and two outlets (22) forms water conservancy diversion grid (5).
7. the external screw thread standpipe dew point indirect evaporative cooling air processor group according to claim 1 based on ground source, its It is characterised by, described buried pipe (18) is located under earth's surface at 2-4m, and is the coil pipe of continuous " S " shape arrangement.
8. the external screw thread standpipe dew point indirect evaporative cooling air processor group according to claim 1 based on ground source, its It is characterised by, overfire air fan (8) is provided with described Secondary Air outlet (7).
9. the external screw thread standpipe dew point indirect evaporative cooling air processor group according to claim 1 based on ground source, its It is characterised by, described direct evaporating-cooling section includes the filler (10) for the central shaft and central column being mutually socketed, central shaft One end is additionally provided with hydrodynamic(al) shaft coupling (12), and described filler (10) top is provided with water-locator b (11), and filler (10) bottom is set Cyclic water tank b (16) is equipped with, water pipe G1, hydrodynamic(al) shaft coupling (12) are passed sequentially through between cyclic water tank b (16) and water-locator b (11) Water-locator b (11) is connected with water pipe G2.
10. the external screw thread standpipe dew point indirect evaporative cooling air processor group according to claim 9 based on ground source, its It is characterised by, water circulating pump b (17) is provided with described water pipe G1.
CN201710747068.XA 2017-08-23 2017-08-23 External screw thread standpipe dew point indirect evaporative cooling air processor group based on ground source Pending CN107560035A (en)

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CN110375400A (en) * 2019-07-31 2019-10-25 陈瑞德 A kind of split type aeration device in kitchen
CN113508264A (en) * 2019-01-31 2021-10-15 克莱奥吉尔公司 Hybrid air cooling system and method

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CN113508264A (en) * 2019-01-31 2021-10-15 克莱奥吉尔公司 Hybrid air cooling system and method
CN110375400A (en) * 2019-07-31 2019-10-25 陈瑞德 A kind of split type aeration device in kitchen

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