CN101692849B - Strong dewetting temperature-adjusting type cooling unit - Google Patents
Strong dewetting temperature-adjusting type cooling unit Download PDFInfo
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- CN101692849B CN101692849B CN2009100326768A CN200910032676A CN101692849B CN 101692849 B CN101692849 B CN 101692849B CN 2009100326768 A CN2009100326768 A CN 2009100326768A CN 200910032676 A CN200910032676 A CN 200910032676A CN 101692849 B CN101692849 B CN 101692849B
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Abstract
The invention discloses a strong dewetting temperature-adjusting type cooling unit in the field of grain and feed machinery, comprising a cooler, a cyclone dust separator, a fan and a heat pipe exchanger, wherein the heat pipe exchanger is provided with a heating medium water heat-releasing section, a hot air heat-releasing section, a fresh air heat-exchanging section and a cooling water heat-absorbing section; the cooler is provided with a middle air pipe region; an outlet of the fresh air heat-exchanging section is respectively connected with a middle air inlet and a lower air inlet; and an outlet of the fan is connected in parallel with an exhaust-valve and a hot air utilization valve which is connected with an inlet of the hot air heat-releasing section. For the cooling unit, in winter, the cooling water heat-absorbing section is closed and the heating medium water heat-releasing section, the hot air heat-releasing section and the fresh air heat-exchanging section are opened, thus the air supplement temperature of the cooler is improved by utilizing the afterheat of hot air and steam condensed water, the dewetting capacity is enhanced and the water content of a finished product is lowered; and in summer, the heating medium water heat-releasing section and the hot air heat-releasing section are closed, the fresh air heat-exchanging section and the cooling water heat-absorbing section are opened, and the temperature of fresh air entering into the cooler is lowered by cooling water, thereby the cooling effect is improved.
Description
Technical field
The present invention relates to a kind of grain feed processing equipment, particularly a kind of temperature-adjusting type cooling unit that dries by force.
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 through the bottom air inlet, and 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 gets into from the cooler top, and discharge from the bottom discharge mouth back that is cooled, and surrounding air is mended the wind discharge device and got into 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 receive 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, air themperature was high, and it is strong to take wet ability, required the time of drying short, and the time of material cooling also shortens thereupon, made 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 can not recycled yet.
Summary of the invention
The present invention provides a kind of temperature-adjusting type cooling unit that dries by force; 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, technical scheme of the present invention is that a kind of temperature-adjusting type cooling unit that dries by force 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, and the wind discharge device is mended through 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, is provided with airduct district, middle part at the middle part of cooler; Airduct district, middle part is through middle part air inlet and external communications; Air inlet place, middle part is provided with the middle part and mends air-valve, and air inlet place in bottom is provided with the bottom and mends air-valve, and this cooling unit also is provided with the multimedia heat exchange of heat pipe; Heat exchange of heat pipe is provided with heat medium water heat release section, hot blast heat release section, new air heat-exchange section, cooling water endotherm section from bottom to top; 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 through the hot water inlet valve respectively, and the blower fan outlet is connected in parallel to exhaust-valve and hot blast utilizes valve, and 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 is through hot-blast outlet valve and atmosphere; The import of new air heat-exchange section is through fresh inlet valve and atmosphere, and the outlet of new air heat-exchange section is mended air-valve and is connected with middle part benefit air-valve, the bottom of cooler respectively through new wind outlet valve, and the import and export of cooling water endotherm section are connected with cooling water pipeline through cooling sea water inlet valve, cooling sea water outlet valve respectively.
Adopt above structure, be provided with airduct district, middle part at cooler, air inlet feeds the higher air of temperature at the middle part, helps drying better, and air inlet feeds the chilling temperature that the lower air of temperature is guaranteed discharging in the bottom; 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 that heat medium water heat release section, hot blast heat release section, new air heat-exchange section are imported and exported respectively, utilize high-temperature hot-air and the steam hydrophobic waste heat that condenses, the benefit wind-warm syndrome degree of raising 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 gets into cooler is lowered the temperature, strengthen the cooling ability of cooler.
As improvement of the present invention; The middle part air inlet of cooler and bottom air inlet are respectively equipped with the middle part second of atmosphere and mend air-valve, air-valve is mended in bottom second; Air-valve is mended at middle part second and middle part benefit air-valve is connected in parallel, and bottom second mends air-valve and bottom benefit air-valve is connected in parallel.Through such structure, be provided with the two-way air intake at each air inlet, the one tunnel is undressed surrounding air, 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 present invention; 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 invention; 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; Can hot blast heat release section and new air heat-exchange section 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 invention, 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, can supply place uses such as bathroom after water temperature raises.
Description of drawings
Fig. 1 is dry the by force structural representation of temperature-adjusting type cooling unit of the present invention.
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; The temperature-adjusting type cooling unit that dries by force of the present invention; 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, and middle part air inlet 15 is connected in parallel to middle part benefit air-valve 103 and mends air-valve 104 with middle part second, and 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, air-valve 104 equal and atmosphere are mended at middle part second, and middle part air inlet 15 is connected with middle part airduct district 11.The hot blast outlet 16 of cooler 1 is connected through 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 through 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 through 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 is through hot-blast outlet valve 404 and atmosphere; 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 is through fresh inlet valve 407 and atmosphere, 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 through 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 each other all be in the adverse current state.
In the work, material gets into cooler 1 from the charging aperture 12 at top, and blower fan 3, cyclone dust collectors 2, heat exchange of heat pipe 4 are started working synchronously; Material flows from top to bottom; Discharge from the discharging opening of bottom 13 back that is cooled, and air inlet 15 gets into coolers 1 with bottom air inlet 14 to air from the middle part respectively, carries out the wet exchange of heat back temperature rising with material and becomes 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 are discharged from the blower fan outlet then, and 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 the bottom and mend air-valve 101, the middle part second benefit air-valve 104, open the middle part and mend air-valve 103, the bottom second benefit air-valve 102, promptly only insert the new wind after heating up, the effect of drying of assurance cooler the first half material at middle part air inlet 15; Air inlet 14 only inserts surrounding air in the cooler bottom, guarantees 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 the dehumidification ability of cooler 1 be able to strengthen, 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 new wind and the surrounding air after middle part air inlet 15 inserts cooling simultaneously regulated ratio as required, guarantees 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 utilize under the state of valve 302 at the hot blast that keeps shut; 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 the 43 parallelly connected uses 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; The confession bathroom uses, or as other domestic water.
This cooling unit can also be taked the combined running pattern, utilizes the energy of hot blast like 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 gets into 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 new wind after the intensification mix 15 pairs of materials of bottom air inlet 14, middle part air inlet that the back gets into cooler with surrounding air and carry out cooling dehumidification.
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 through 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 parallelly connected 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 that material Quench in winter, moisture content are high, summer phenomenon such as dump temperature height.
Claims (4)
1. the temperature-adjusting type that dries by force cools off 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, and the wind discharge device is mended through 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, is provided with airduct district, middle part at the middle part of cooler; Airduct district, middle part is through middle part air inlet and external communications; Air inlet place, middle part is provided with the middle part and mends air-valve, and air inlet place in bottom is provided with the bottom and mends air-valve, and this cooling unit also is provided with the multimedia heat exchange of heat pipe; Heat exchange of heat pipe is provided with heat medium water heat release section, hot blast heat release section, new air heat-exchange section, cooling water endotherm section from bottom to top; 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 through the hot water inlet valve respectively, and the blower fan outlet is connected in parallel to exhaust-valve and hot blast utilizes valve, and 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 is through hot-blast outlet valve and atmosphere; The import of new air heat-exchange section is through fresh inlet valve and atmosphere, and the outlet of new air heat-exchange section is mended air-valve and is connected with middle part benefit air-valve, the bottom of cooler respectively through new wind outlet valve, and the import and export of cooling water endotherm section are connected with cooling water pipeline through cooling sea water inlet valve, cooling sea water outlet valve respectively; The middle part air inlet of cooler and bottom air inlet are respectively equipped with the middle part second of atmosphere and mend air-valve, air-valve is mended in bottom second, and air-valve is mended at middle part second and middle part benefit air-valve is connected in parallel, and bottom second benefit air-valve and bottom are mended air-valve and be connected in parallel.
2. the temperature-adjusting type cooling unit that dries by force according to claim 1; It is characterized in that; Said 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.
3. the temperature-adjusting type cooling unit that dries by force according to claim 2; 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, and hot blast inlet valve and hot blast utilize and be 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.
4. the temperature-adjusting type cooling unit that dries by force according to claim 2; 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.
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|---|---|---|---|
| CN2009100326768A CN101692849B (en) | 2009-06-30 | 2009-06-30 | Strong dewetting temperature-adjusting type cooling unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100326768A CN101692849B (en) | 2009-06-30 | 2009-06-30 | Strong dewetting temperature-adjusting type cooling unit |
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| CN101692849A CN101692849A (en) | 2010-04-14 |
| CN101692849B true CN101692849B (en) | 2012-12-26 |
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| CN201414374Y (en) * | 2009-06-30 | 2010-03-03 | 江苏牧羊集团有限公司 | Novel cooling unit |
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| CN101307990A (en) * | 2007-05-14 | 2008-11-19 | 上海理工大学 | Middle part air intake all adverse current closed type cooling column |
| CN201081563Y (en) * | 2007-09-07 | 2008-07-02 | 山东天力干燥设备有限公司 | Cooler with built-in buried tube heat exchanger |
| CN201191059Y (en) * | 2008-03-13 | 2009-02-04 | 江苏牧羊集团有限公司 | Circulating air cooler |
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