CN201414374Y - Novel cooling unit - Google Patents

Novel cooling unit Download PDF

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Publication number
CN201414374Y
CN201414374Y CN2009200429878U CN200920042987U CN201414374Y CN 201414374 Y CN201414374 Y CN 201414374Y CN 2009200429878 U CN2009200429878 U CN 2009200429878U CN 200920042987 U CN200920042987 U CN 200920042987U CN 201414374 Y CN201414374 Y CN 201414374Y
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CN
China
Prior art keywords
valve
air
heat
outlet
hot
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Expired - Lifetime
Application number
CN2009200429878U
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Chinese (zh)
Inventor
孙卫东
范文海
张文良
张勇军
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Jiangsu Muyang Group Co Ltd
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Jiangsu Muyang Group Co Ltd
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Priority to CN2009200429878U priority Critical patent/CN201414374Y/en
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Publication of CN201414374Y publication Critical patent/CN201414374Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a novel cooling unit in the filed of grain feed stuff machinery, which comprises a cooler, a cyclone dust collector, a fan and a heat-pipe heat exchanger, wherein the heat-pipe heat exchanger comprises a heating medium water heat output segment, a hot air heat output segment, a fresh air heat exchange segment and a cooling water heat absorption segment, wherein a middle air duct zone is arranged in the cooler, the outlet of the fresh air heat exchange segment is respectively connected with a middle air inlet and a lower air inlet, the outlet of the fan is connectedwith a blowoff valve and a hot air utilization valve in parallel, the hot air utilization valve is connected with the inlet of the hot air heat output segment, the cooling water heat absorption segment is closed and the hot medium water output segment, the hot air output segment and the fresh air heat exchange segment are opened in winter, residual heat of hot air and steam condensate water are utilized to improve the temperature of supplementing wind of the cooler, reinforce the dewetting capacity, and lower the water content of end products, the hot medium water output segment and the hot air output segment are closed and the fresh air heat exchange segment and the cooling water heat absorption layer are opened in summer, and cooling water is utilized to cool new wind entering the cooler, thereby improving the cooling effect.

Description

Novel cooling unit
Technical field
The utility model relates to a kind of grain feed processing equipment, particularly a kind of novel cooling unit.
Background technology
Grain feed often will carry out modified moulding of high temperature or heating, drying in process, the material that next is under the condition of high temperature need carry out cooling processing.Present cooling unit, comprise cooler, cyclone dust collectors and blower fan, cooler is provided with the hot blast outlet and the wind discharge device is mended in the bottom, the bottom is mended the wind discharge device and outwards is communicated with by the bottom air inlet, the hot blast outlet is connected with the air inlet of cyclone dust collectors, and the exhaust outlet of cyclone dust collectors is connected with the blower fan import.During work, material enters from the cooler top, discharge from the bottom discharge mouth after being cooled, surrounding air is mended the wind discharge device and is entered cooler from the bottom, carry out becoming hot blast after the wet exchange of heat with material, hot blast is extracted out from the hot blast outlet on cooler top by blower fan, and the cyclone dust collectors dedusting of flowing through is discharged from the blower fan outlet then.
Such cooling unit, the effect of cooling are subjected to the weather condition effect bigger.The winter air temperature is low, takes wet ability, and the moisture that occurs finished feed easily is higher; Summer the air themperature height, it is strong to take wet ability, requires the time of drying short, the time of material cooling also shortens thereupon, makes the finished feed temperature drift.Both of these case finally all can cause the output of finished feed and qualification rate on the low side.In addition, feed cooler will contain the hot blast of uniform temperature and humidity when operation, and through behind the dust collecting process, directly row is to atmosphere, and the waste heat in the hot blast is wasted, but also has caused the thermal pollution to environment; On the other hand, in the feed process, adopt steam that the powder of mixed feed is carried out modifier treatment usually, the hydrophobic trench that directly is discharged into that condenses in the jet chimney, the waste heat of condensate water can not recycled yet.
The utility model content
The utility model provides a kind of novel cooling unit, to solve in the prior art, a little less than the cooler dehumidification ability in winter, summer, cooling effect was poor, the problem that the hot blast of cooler discharging and the waste heat in the steam condensate are wasted, utilize the hot blast of cooler discharging and the waste heat of steam condensation water winter, improve the dehumidification ability of cooler, utilize summer cooling water to strengthen cooling effect.
For solving above technical problem, the technical solution of the utility model is, a kind of novel cooling unit is provided, comprise cooler, cyclone dust collectors and blower fan, cooler is provided with the hot blast outlet and the wind discharge device is mended in the bottom, the wind discharge device is mended by bottom air inlet and external communications in the bottom, the hot blast outlet is connected with the air inlet of cyclone dust collectors, the exhaust outlet of cyclone dust collectors is connected with the blower fan import, this cooling unit also is provided with the multimedia heat exchange of heat pipe, heat exchange of heat pipe is provided with the heat medium water heat release section from bottom to top, the hot blast heat release section, the new air heat-exchange section, the cooling water endotherm section, the import and export of heat medium water heat release section are connected with the steam condensation water pipeline with the hot water outlet valve by the hot water inlet valve respectively, the blower fan outlet is connected in parallel to exhaust-valve and hot blast utilizes valve, hot blast utilizes valve to be connected with the import of hot blast heat release section with hot blast inlet valve series connection back, the outlet of hot blast heat release section communicates with atmosphere by the hot-blast outlet valve, the import of new air heat-exchange section communicates with atmosphere by the fresh inlet valve, the outlet of new air heat-exchange section is connected with the bottom air inlet of cooler by new wind outlet valve, and cooling sea water inlet valve is passed through in the import and export of cooling water endotherm section respectively, cooling sea water outlet valve is connected with cooling water pipeline.
Adopt above structure, when moving in the winter time, close the valve that heat exchange of heat pipe cooling water endotherm section is imported and exported, open the valve of heat medium water heat release section, hot blast heat release section, the import and export of new air heat-exchange section respectively, utilize high-temperature hot-air and the steam hydrophobic waste heat that condenses, improve the benefit wind-warm syndrome degree of cooler, strengthen the dehumidification ability of cooler, thereby reduce finished feed moisture; When summer operation, close the valve of heat medium water heat release section, the import and export of hot blast heat release section, open the valve of new air heat-exchange section, the import and export of cooling water endotherm section, utilize cooling water that the new wind that enters cooler is lowered the temperature, strengthen the cooling ability of cooler.
As improvement of the present utility model, the middle part of cooler is provided with airduct district, middle part, airduct district, middle part is by middle part air inlet and external communications, air inlet place, middle part is connected in parallel to the middle part and mends air-valve and the middle part second benefit air-valve, air inlet place, bottom is connected in parallel to the bottom and mends air-valve and the bottom second benefit air-valve, air-valve is mended at middle part second, bottom second is mended air-valve and communicated with atmosphere respectively, is connected with new wind outlet valve after the middle part is mended air-valve and the air-valve parallel connection is mended in the bottom.Be provided with airduct district, middle part at cooler, feed the higher air of temperature, help drying better, feed the chilling temperature that the lower air of temperature is guaranteed discharging at the bottom air inlet at the middle part air inlet; Be provided with the two-way air intake at each air inlet, the one tunnel is undressed surrounding air, and mixed proportion is regulated as required for the air after handling through heat exchange of heat pipe in another road.
As further improvement of the utility model, hot water inlet valve, hot blast inlet valve, new wind outlet valve, cooling sea water inlet valve are connected the same side of heat exchange of heat pipe, and hot water outlet valve, hot-blast outlet valve, fresh inlet valve, cooling sea water outlet valve are connected the opposite side of heat exchange of heat pipe.When moving so in the winter time, the flow direction of new wind and the flow direction of heat medium water and hot blast are the adverse current state; During summer operation, the flow direction and the cooling-water flow direction of new wind also are the adverse current state, can keep higher heat exchange efficiency.
Improve as another of the present utility model, be provided with first by-passing valve between the outlet of hot blast heat release section and the hot-blast outlet valve, the other end of first by-passing valve is connected in parallel between the import of fresh inlet valve and new air heat-exchange end, hot blast inlet valve and hot blast utilize and are provided with second by-passing valve between the valve, and the other end of second by-passing valve is connected in parallel with the outlet of new wind outlet valve.During summer operation, close hot blast and utilize valve, when opening the valve of new air heat-exchange section import and export, open the valve that first by-passing valve, second by-passing valve and hot blast heat release section are imported and exported, hot blast heat release section and new air heat-exchange section can be in parallel, two heat exchanging segments all carry out heat exchange to new wind, have increased the heat exchange area of new wind in heat exchange of heat pipe, have improved the cooling-down effect of new wind.
As another improvement of the present utility model, the both sides of cooling water endotherm section are respectively equipped with running water inlet valve and running water outlet valve, and running water inlet valve and cooling sea water outlet valve are connected in parallel, and running water outlet valve and cooling sea water inlet valve are connected in parallel.During summer operation, new air heat-exchange section and the work of cooling water endotherm section, close the running water terminal valve this moment, opens the cooling water outlet and inlet valve, strengthens the cooling to new wind; When spring and autumn, moved season, hot blast heat release section and the work of cooling water endotherm section, close cooling sea water inlet valve and cooling sea water outlet valve this moment, opens running water inlet valve and running water outlet valve, running water is taken away the hot blast liberated heat, and water temperature can be used for places such as bathrooms after raising.
Description of drawings
Fig. 1 is the structural representation of the novel cooling unit of the utility model.
Among the figure: 1 cooler, airduct district, 11 middle part, 12 charging apertures, 13 discharging openings, 14 bottom air inlets, 15 middle part air inlets, 16 hot blast outlets, 2 cyclone dust collectors, 3 blower fans, 4 heat exchange of heat pipes, 41 heat medium water heat release section, 42 hot blast heat release section, 43 new air heat-exchange sections, 44 cooling water endotherm sections, air-valve is mended in 101 bottoms, air-valve is mended in 102 bottoms second, air-valve is mended at 103 middle parts, air-valve is mended at 104 middle parts second, 201 cyclone dust collectors inlet valves, 202 cyclone dust collectors outlet valves, 203 powder outlets, 301 exhaust-valves, 302 hot blasts utilize valve, 401 hot water inlet valves, 402 hot water outlet valves, 403 hot blast inlet valves, 404 hot-blast outlet valves, 405 first by-passing valves, 406 second by-passing valves, 407 fresh inlet valves, 408 new wind outlet valves, 409 cooling sea water inlet valves, 410 cooling sea water outlet valves, 411 running water inlet valves, 412 running water outlet valves.
The specific embodiment
As shown in Figure 1, novel cooling unit of the present utility model, comprise cooler 1, cyclone dust collectors 2, blower fan 3 and heat exchange of heat pipe 4, cooler 1 is provided with airduct district, middle part 11, charging aperture 12, discharging opening 13, middle part air inlet 15, bottom air inlet 14 and hot blast outlet 16, middle part air inlet 15 is connected in parallel to the middle part and mends air-valve 103 and the middle part second benefit air-valve 104, bottom air inlet 14 is connected in parallel to the bottom and mends air-valve 101 and the bottom second benefit air-valve 102, air-valve 102 is mended in bottom second, middle part second is mended air-valve 104 and is all communicated with atmosphere, and middle part air inlet 15 is connected with middle part airduct district 11.The hot blast outlet 16 of cooler 1 is connected by the air inlet of cyclone dust collectors inlet valve 201 with cyclone dust collectors 2, and the exhaust outlet of cyclone dust collectors 2 is connected with the blower fan import by cyclone dust collectors outlet valve 202.
Heat exchange of heat pipe 4 is provided with heat medium water heat release section 41, hot blast heat release section 42, new air heat-exchange section 43, cooling water endotherm section 44 from bottom to top, heat pipe vertical array in the heat exchange of heat pipe, the initial liquid level of inside heat pipe medium is positioned at the middle part of new air heat-exchange section 43, and the vacuum of inside heat pipe is generally 10 -3~10 -5Pa, the evaporation start-up temperature of medium is about 0 ℃.
The import and export of heat medium water heat release section 41 are connected with the steam condensation water pipeline with hot water outlet valve 402 by hot water inlet valve 401 respectively;
The blower fan outlet is connected in parallel to exhaust-valve 301 and hot blast utilizes valve 302, and hot blast utilizes valve 302 to be connected with the import of hot blast heat release section 42 with hot blast inlet valve 403 series connection backs, and the outlet of hot blast heat release section 42 communicates with atmosphere by hot-blast outlet valve 404; Be provided with first by-passing valve 405 between the outlet of hot blast heat release section 42 and the hot-blast outlet valve 404, the other end of first by-passing valve 405 is connected in parallel between the import of fresh inlet valve 407 and new air heat-exchange end, hot blast inlet valve 403 and hot blast utilize the other end that is provided with second by-passing valve, 406, the second by-passing valves 406 between the valve 302 to be connected in parallel with the outlet of wind outlet valve 408 newly.
The import of new air heat-exchange section 43 communicates with atmosphere by fresh inlet valve 407, and the outlet of new wind outlet valve 408 mends air-valve 101 with the bottom respectively and middle part benefit air-valve 103 is connected;
The import and export of cooling water endotherm section 44 are connected with cooling water pipeline by cooling sea water inlet valve 409, cooling sea water outlet valve 410 respectively; Running water inlet valve 411 is connected in parallel with cooling sea water outlet valve 410, and running water outlet valve 412 is connected in parallel with cooling sea water inlet valve 409.
Hot water inlet valve 401, hot blast inlet valve 403, new wind outlet valve 408, cooling sea water inlet valve 409 are connected the same side of heat exchange of heat pipe 4, hot water outlet valve 402, hot-blast outlet valve 404, fresh inlet valve 407, cooling sea water outlet valve 410 are connected the opposite side of heat exchange of heat pipe 4, make the medium that carries out heat exchange mutually all be in the adverse current state.
In the work, material enters cooler 1 from the charging aperture 12 at top, blower fan 3, cyclone dust collectors 2, heat exchange of heat pipe 4 are started working synchronously, material flows from top to bottom, discharging opening 13 discharges of back from the bottom are cooled, air enters cooler 1 from middle part air inlet 15 and bottom air inlet 14 respectively, carry out the wet exchange of heat back temperature rising with material and become hot blast, hot blast is extracted out from the hot blast outlet 16 on cooler 1 top by blower fan, cyclone dust collectors 2 dedustings of flowing through, discharge from the blower fan outlet then, the dust in the hot blast is discharged from the powder outlet 203 of cyclone dust collectors 2.
When moving in the winter time, close the valve that heat exchange of heat pipe cooling water endotherm section 44 is imported and exported, this section is not worked; Open hot water inlet valve 401, hot water outlet valve 402, hot blast inlet valve 403, hot-blast outlet valve 404, fresh inlet valve 407, new wind outlet valve 408 respectively, heat medium water heat release section 41, hot blast heat release section 42, new air heat-exchange section 43 are put into operation; Close exhaust-valve 301, open hot blast and utilize valve 302, utilize the condense waste heat of high-temperature hot-air in hydrophobic waste heat and the hot blast heat release section 42 of steam in the heat medium water heat release section 41, the air that flows through new air heat-exchange section 43 is heated; Close that air-valve 101 is mended in the bottom, air-valve 104 is mended at middle part second, open that air-valve 103 is mended at the middle part, air-valve 102 is mended in bottom second, promptly only inserts new wind after heating up, the effect of drying of assurance cooler the first half material at middle part air inlet 15; Only insert surrounding air at cooler bottom air inlet 14, guarantee the cooling effect of the latter half material.The benefit wind-warm syndrome degree at cooler 1 middle part is higher than environment temperature, makes that the dehumidification ability of cooler 1 is strengthened, thereby reduces the moisture content of finished feed in winter.During winter operation, the flow direction of new wind and the flow direction of heat medium water and hot blast are the adverse current state, keep higher heat exchange efficiency.
When summer operation, open exhaust-valve 301, close hot blast and utilize valve 302, hot water inlet valve 401, hot water outlet valve 402, hot blast inlet valve 403, hot-blast outlet valve 404, make heat medium water heat release section 41, hot blast heat release section 42 not work; Open fresh inlet valve 407, new wind outlet valve 408, cooling sea water inlet valve 409, cooling sea water outlet valve 410, make new air heat-exchange section 43, cooling water endotherm section 44 put into operation, running water inlet valve 411, running water outlet valve 412 are in closed condition at this moment, can adopt phreatic water as cooling water, take away and flow through new air heat-exchange section 43 airborne heats; Close bottom second and mend air-valve 102, open the bottom and mend air-valve 101, and open the middle part simultaneously and mend air-valve 103, the middle part second benefit air-valve 104, promptly middle part air inlet 15 insert simultaneously the cooling after new wind and surrounding air, regulate ratio as required, guarantee the effect of drying of cooler the first half material; New wind after cooler bottom air inlet 14 only inserts cooling, the cooling effect of assurance the latter half material.During summer operation, the flow direction and the cooling-water flow direction of new wind are the adverse current state, keep higher heat exchange efficiency.
During summer operation, also can close hot blast in maintenance utilizes under the state of valve 302, open first by-passing valve 405, second by-passing valve 406, hot blast inlet valve 403, hot-blast outlet valve 404, with hot blast heat release section 42 and 43 uses in parallel of new air heat-exchange section, these two sections are all cooled off new wind, enlarge the heat exchange area of new wind, improved the cooling-down effect of new wind.
In other season, according to the difference of environment temperature, this cooling unit can also have other operational mode.As close that air-valve 103 is mended at the middle part, air-valve 101 is mended in the bottom, open that air-valve 104 is mended at middle part second, air-valve 102 is mended in bottom second, this moment cooler the equal supplement ambient air of middle part air inlet 15, bottom air inlet 14; In addition, close hot water inlet valve 401, hot water outlet valve 402, make heat medium water heat release section 41 not work; Close fresh inlet valve 407, open first by-passing valve 405, second by-passing valve 406, hot blast inlet valve 403, hot-blast outlet valve 404, new wind outlet valve 408,, make hot blast heat release section 42,43 parallel connections of new air heat-exchange section use, these two sections all provide hot blast to carry out heat release; Close cooling sea water inlet valve 409, cooling sea water outlet valve 410 this moment, open running water inlet valve 411, running water outlet valve 412, the flow direction of running water and the flow direction of hot blast are the adverse current state, take away the high-temperature hot-air liberated heat, after water temperature raises, use for the bathroom, or as other domestic water.
This cooling unit can also be taked the combined running pattern, utilizes the energy of hot blast as part.Close hot water inlet valve 401, hot water outlet valve 402, cooling sea water inlet valve 409, cooling sea water outlet valve 410, running water inlet valve 411, running water outlet valve 412, make heat medium water heat release section 41, cooling water endotherm section 44 not work.Open exhaust-valve 301 simultaneously, hot blast utilizes valve 302, a part of hot blast enters 42 heat releases of hot blast heat release section, another part hot blast directly discharges; Open fresh inlet valve 407, new wind outlet valve 408, new distinguished and admirablely slightly raise through new air heat-exchange section 43 temperature; Open the bottom simultaneously and mend air-valve 101, the bottom second benefit air-valve 102, middle part benefit air-valve 103, the middle part second benefit air-valve 104, regulate each valve opening, make the new wind after the intensification carry out cooling dehumidification with the 15 pairs of materials of bottom air inlet 14, middle part air inlet that enter cooler after surrounding air mixes.
This cooling unit can also partly adopt cooling water, closes hot water inlet valve 401, hot water outlet valve 402, makes heat medium water heat release section 41 not work; Open exhaust-valve 301, close hot blast and utilize valve 302, make hot blast directly discharge; Open fresh inlet valve 407, new wind outlet valve 408, cooling sea water inlet valve 409, cooling sea water outlet valve 410, new wind is cooled off by phreatic water; Open the bottom simultaneously and mend air-valve 101, the bottom second benefit air-valve 102, middle part benefit air-valve 103, the middle part second benefit air-valve 104, controlling opening of valve, cooled new wind mix the back material are cooled off with surrounding air.On this basis, can open hot blast inlet valve 403, hot-blast outlet valve 404, first by-passing valve 405, second by-passing valve 406 simultaneously, make hot blast heat release section 42 in parallel with new air heat-exchange section 43, these two sections are all cooled off new wind, enlarge the heat exchange area of new wind, improved the cooling-down effect of new wind.
This cools off unit, can satisfy in the feed industry production needs of Related product throughout the year, particularly to the feed processing in winter of northern frore area and southern area, and the feed processing in summer of southern area, excellent adaptability is arranged.Can prevent material Quench in winter, moisture content height, summer phenomenon such as dump temperature height.

Claims (5)

1. novel cooling unit, comprise cooler, cyclone dust collectors and blower fan, cooler is provided with the hot blast outlet and the wind discharge device is mended in the bottom, the wind discharge device is mended by bottom air inlet and external communications in the bottom, the hot blast outlet is connected with the air inlet of cyclone dust collectors, the exhaust outlet of cyclone dust collectors is connected with the blower fan import, it is characterized in that, this cooling unit also is provided with the multimedia heat exchange of heat pipe, heat exchange of heat pipe is provided with the heat medium water heat release section from bottom to top, the hot blast heat release section, the new air heat-exchange section, the cooling water endotherm section, the import and export of heat medium water heat release section are connected with the steam condensation water pipeline with the hot water outlet valve by the hot water inlet valve respectively, the blower fan outlet is connected in parallel to exhaust-valve and hot blast utilizes valve, hot blast utilizes valve to be connected with the import of hot blast heat release section with hot blast inlet valve series connection back, the outlet of hot blast heat release section communicates with atmosphere by the hot-blast outlet valve, the import of new air heat-exchange section communicates with atmosphere by the fresh inlet valve, the outlet of new air heat-exchange section is connected with the bottom air inlet of cooler by new wind outlet valve, and cooling sea water inlet valve is passed through in the import and export of cooling water endotherm section respectively, cooling sea water outlet valve is connected with cooling water pipeline.
2. novel cooling unit according to claim 1, it is characterized in that, the middle part of cooler is provided with airduct district, middle part, airduct district, middle part is by middle part air inlet and external communications, air inlet place, middle part is connected in parallel to the middle part and mends air-valve and the middle part second benefit air-valve, air inlet place, bottom is connected in parallel to bottom benefit air-valve and air-valve is mended in bottom second, and air-valve is mended at middle part second, bottom second is mended air-valve and communicated with atmosphere respectively, and the middle part is connected with new wind outlet valve after mending air-valve and bottom benefit air-valve parallel connection.
3. novel cooling unit according to claim 1 and 2, it is characterized in that, described hot water inlet valve, hot blast inlet valve, new wind outlet valve, cooling sea water inlet valve are connected the same side of heat exchange of heat pipe, and hot water outlet valve, hot-blast outlet valve, fresh inlet valve, cooling sea water outlet valve are connected the opposite side of heat exchange of heat pipe.
4. novel cooling unit according to claim 3, it is characterized in that, be provided with first by-passing valve between the outlet of hot blast heat release section and the hot-blast outlet valve, the other end of first by-passing valve is connected in parallel between the import of fresh inlet valve and new air heat-exchange end, hot blast inlet valve and hot blast utilize and are provided with second by-passing valve between the valve, and the other end of second by-passing valve is connected in parallel with the outlet of new wind outlet valve.
5. novel cooling unit according to claim 3, it is characterized in that, the both sides of cooling water endotherm section are respectively equipped with running water inlet valve and running water outlet valve, and running water inlet valve and cooling sea water outlet valve are connected in parallel, and running water outlet valve and cooling sea water inlet valve are connected in parallel.
CN2009200429878U 2009-06-30 2009-06-30 Novel cooling unit Expired - Lifetime CN201414374Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200429878U CN201414374Y (en) 2009-06-30 2009-06-30 Novel cooling unit

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Application Number Priority Date Filing Date Title
CN2009200429878U CN201414374Y (en) 2009-06-30 2009-06-30 Novel cooling unit

Publications (1)

Publication Number Publication Date
CN201414374Y true CN201414374Y (en) 2010-03-03

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Application Number Title Priority Date Filing Date
CN2009200429878U Expired - Lifetime CN201414374Y (en) 2009-06-30 2009-06-30 Novel cooling unit

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101692849A (en) * 2009-06-30 2010-04-14 江苏牧羊集团有限公司 Strong dewetting temperature-adjusting type cooling unit
CN107242598A (en) * 2017-07-03 2017-10-13 秦成亮 A kind of feed cooling tower

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101692849A (en) * 2009-06-30 2010-04-14 江苏牧羊集团有限公司 Strong dewetting temperature-adjusting type cooling unit
CN101692849B (en) * 2009-06-30 2012-12-26 江苏牧羊集团有限公司 Strong dewetting temperature-adjusting type cooling unit
CN107242598A (en) * 2017-07-03 2017-10-13 秦成亮 A kind of feed cooling tower

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