CN103088509B - Constant humidity type classification heat exchange dewatering and water sensible heat multistage utilization relaxation heat setting machine - Google Patents
Constant humidity type classification heat exchange dewatering and water sensible heat multistage utilization relaxation heat setting machine Download PDFInfo
- Publication number
- CN103088509B CN103088509B CN201310025572.0A CN201310025572A CN103088509B CN 103088509 B CN103088509 B CN 103088509B CN 201310025572 A CN201310025572 A CN 201310025572A CN 103088509 B CN103088509 B CN 103088509B
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- stop valve
- outlet
- heat
- low pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention relates to a constant humidity type classification heat exchange dewatering and water sensible heat multistage utilization relaxation heat setting machine. A return air inlet and an exhaust outlet are formed in the lower portion of a drying chamber, the exhaust outlet is communicated to the outside of a box body through an exhaust tube, the return air inlet and an air compensation port in the box body are both communicated with a suction outlet of a fan, an air outlet of the fan is aligned to heat exchangers above the fan, the air outlet above the heat exchangers enters into the drying chamber, an inlet of a high pressure heat exchanger is connected with a steam supply main tube, an outlet of the high pressure heat exchanger is connected with an inlet of a middle pressure heat exchanger through a high pressure drain valve, an outlet of the middle pressure heat exchanger is connected into an inlet of a lower pressure heat exchanger through a middle pressure drain valve, an outlet of the low pressure heat exchanger is connected into a condensate pump through a low pressure drain valve, an outlet of the condensate pump is connected into a new wind preheater, a preheating air outlet of the new wind preheater is connected into the air compensation port of the relaxation setting machine, and low pressure condensate water of the relaxation setting machine is connected into the new wind preheater to achieve indirect heat exchange with new wind. The setting machine can achieve sufficient utilization of waste heat of the exhaust and the condensate water, and is high in heat efficiency.
Description
Technical field
The present invention relates to a kind of loosening heat setting machine, particularly hydrophobic the and water sensible heat Multi-class propagation loosening heat setting machine of a kind of constant humidity type classification heat exchange.
Background technology
The post processing of polyester staple fiber often uses loosening heat setting machine, the cabinets cavity of loosening heat setting machine is provided with blower fan, heat exchanger and product is carried out to the drying chamber of shaping and drying, the inlet scoop of blower fan communicates with the wind-supplying mouth on casing, the air outlet of blower fan aims at the heat exchanger of top, air outlet above heat exchanger enters drying chamber, return air inlet and exhaust outlet is provided with below drying chamber, exhaust outlet leads to outside casing by exhaust duct, exhaust duct is provided with hand control valve, and return air inlet also communicates with the inlet scoop of blower fan.Heat exchanger is blowed to through blower fan after the new wind entered in casing from wind-supplying mouth mixes with return air, heat exchanger is heated becomes hot blast, hot blast enters drying chamber and shapes to product and dry, and then a part of wind enters exhaust outlet by air draft, and a part of wind is by return air inlet reuse.High-pressure steam pipe, middle pressure steam pipe are connected with main feed header respectively by stop valve with low pressure steam pipe, and main feed header is connected with the entrance of heat exchanger, and the outlet conduit of heat exchanger is provided with drain valve.
The weak point of this loosening heat setting machine is: (1) is different according to product, Three Estate is had with steam pressure, but only a drain valve is installed, drain valve normally can only work under some pressure, when non-design pressure state, can not maintain the pressure reduction needed for normal work, or discharge capacity is inadequate, or steam leakage is serious.(2) drain valve arrange condensed water waste heat need external user to be used, when without suitable user, be inevitably drained waste.(3) pollutant that return air carries very easily deposits at heat exchanger, worsens heat exchange efficiency.(4) even if condensation water residual heat is flashed utilization, the condensate temperature of discharge still has 130 DEG C ~ 150 DEG C, and waste heat loss measures greatly.(5) high temperature air exhaust waste heat does not utilize, exhaust air rate Non-follow control, and discharge capacity randomness is large.
Summary of the invention
The object of the invention is to, overcome problems of the prior art, there is provided a kind of constant humidity type classification heat exchange hydrophobic and water sensible heat Multi-class propagation loosening heat setting machine, no matter product uses high pressure, middle pressure or low-pressure steam, loosening heat setting machine self all can realize waste heat step, make full use of.
For solving above technical problem, hydrophobic and the water sensible heat Multi-class propagation loosening heat setting machine of a kind of constant humidity type classification heat exchange of the present invention, the cabinets cavity of loosening heat setting machine is provided with blower fan, heat exchanger and product is carried out to the drying chamber of shaping and drying, the inlet scoop of described blower fan communicates with the wind-supplying mouth on casing, the air outlet of blower fan aims at the heat exchanger of top, air outlet above described heat exchanger enters described drying chamber, return air inlet and exhaust outlet is provided with below drying chamber, described exhaust outlet leads to outside casing by exhaust duct, described return air inlet also communicates with the inlet scoop of blower fan, also comprise fresh air preheating device, the below of described fresh air preheating device is provided with new wind entrance, the top of fresh air preheating device is provided with pre-hot-blast outlet, described heat exchanger comprises high pressure heat exchanger stacked successively from top to bottom, middle pressure heat exchanger and low pressure heat exchanger, the entrance of described high pressure heat exchanger is connected with main feed header, the outlet access high pressure drain valve of described high pressure heat exchanger, the outlet of described high pressure drain valve accesses the entrance of described middle pressure heat exchanger by the first recycling condensing water pipe, drain valve is pressed in the outlet access of middle pressure heat exchanger, the outlet of middle pressure drain valve accesses the entrance of described low pressure heat exchanger by the second recycling condensing water pipe, low pressure heat exchanger exit is by the entrance of low pressure drain valve access condensate pump, condensed water delivery side of pump accesses described fresh air preheating device makes low pressure condensed water and new wind carry out indirect heat exchange, the described wind-supplying mouth of the pre-hot-blast outlet access loosening heat setting machine of described fresh air preheating device.
Relative to prior art, the present invention achieves following beneficial effect: low pressure condensed water and the new wind of the discharge of (1) low pressure heat exchanger exist the larger temperature difference, fresh air preheating device is sent into by condensate pump, preheating is carried out to new wind, sensible heat in low pressure condensed water is recovered, new air temperature is improved in rear feeding loosening heat setting machine, reduces the steam consumption of heat exchanger in loosening heat setting machine, (2) traditional single heat exchanger is divided into high pressure heat exchanger stacked successively from top to bottom, middle pressure heat exchanger and low pressure heat exchanger, when Product Process needs high steam, only need to high pressure heat exchanger steam supply wherein, high steam becomes high pressure condensed water discharge latent heat in high pressure heat exchanger after, high pressure condensed water enters middle pressure heat exchanger after being dredged out by high pressure drain valve, in the flash distillation due to dilatation of middle pressure heat exchanger mesohigh condensed water, condensed water pressure drop, flash steam and air heat-exchange be rapid condensation after discharging latent heat, non-flash distillation and the condensed water of the condensed water of pressure drop and time condensation presses condensed water therefrom to press drain valve to dredge out in becoming continue to discharge sensible heat in middle pressure heat exchanger after, middle pressure drain valve presses the flow of condensed water to ensure condensed water and to mix the sufficient exchange heat of wind in controlling, middle pressure condensed water is dredged out by middle pressure drain valve and is entered low pressure heat exchanger, in low pressure heat exchanger, the flash distillation again due to dilatation of middle pressure condensed water, condensed water pressure declines further, flash steam and air heat-exchange be rapid condensation after discharging latent heat, become low pressure condensed water after the condensed water of the condensed water that non-flash distillation and pressure decline further and three condensations continues to discharge sensible heat in low pressure heat exchanger to dredge out from low pressure drain valve, low pressure drain valve controls the flow of low pressure condensed water to ensure condensed water and to mix the sufficient exchange heat of wind, low pressure condensed water is sent into fresh air preheating device by condensate pump again and is continued release sensible heat, the condensate temperature that loosening heat setting machine finally discharges is very low, waste heat is fully reclaimed, (3) when Product Process needs to use middle pressure steam, high pressure heat exchanger and middle pressure heat exchanger all use the middle pressure steam of outer confession, drain valve is pressed to enter low pressure heat exchanger in the middle pressure condensed water warp that high pressure heat exchanger and middle pressure heat exchanger produce, in low pressure heat exchanger, the flash distillation due to dilatation of middle pressure condensed water, condensed water pressure drop, condensation rapidly after flash steam release latent heat, non-flash distillation and the condensed water of the condensed water of pressure drop and time condensation becomes low pressure condensed water continue to discharge sensible heat in low pressure heat exchanger after dredges out from low pressure drain valve, low pressure drain valve controls the flow of low pressure condensed water to ensure condensed water and to mix the sufficient exchange heat of wind, low pressure condensed water is sent into fresh air preheating device by condensate pump again and is continued release sensible heat.(4) when Product Process needs to use low-pressure steam, high pressure heat exchanger, middle pressure heat exchanger and low pressure heat exchanger all use the low-pressure steam of outer confession, the condensed water that high pressure heat exchanger, middle pressure heat exchanger and low pressure heat exchanger produce all enters condensate pump through low pressure drain valve, then sends into fresh air preheating device continuation release sensible heat by condensate pump.(5) when Product Process needs high steam, middle pressure heat exchanger and low pressure heat exchanger are without the need to using outer steam supply, the high pressure condensed water that high pressure heat exchanger produces and the middle pressure condensed water that middle pressure heat exchanger produces use without the need to relying on external user, namely loosening heat setting machine self achieves the cascade utilization of condensation water residual heat, avoids the discharge waste of condensation water residual heat.In like manner, when Product Process needs middle pressure steam, low pressure heat exchanger is without the need to using outer steam supply, the middle pressure condensed water that high pressure heat exchanger and middle pressure heat exchanger produce uses without the need to relying on external user, namely loosening heat setting machine self achieves making full use of of condensation water residual heat, avoids the discharge waste of condensation water residual heat.(6) when using high steam, new wind, first by the low pressure condensation water preheat that temperature is slightly high, is then heated by the low pressure heat exchanger that temperature is higher, presses heat exchanger heat, finally by the high pressure heat exchanger heating that temperature is the highest in then high by temperature; When using middle pressure steam, new wind, first by the low pressure condensation water preheat that temperature is slightly high, is then heated by the low pressure heat exchanger that temperature is higher, presses heat exchanger and high pressure heat exchanger heating in then high by temperature; When using low-pressure steam, new wind, first by the low pressure condensation water preheat that temperature is slightly high, is then heated by low pressure heat exchanger, middle pressure heat exchanger and high pressure heat exchanger that temperature is higher; In the process, the temperature of new wind improves step by step, and be also increase gradually to the temperature of the medium of its heating, the mode of this countercurrent flow totally maintains very high heat exchange efficiency.(7) the present invention is without the need to using flash tank, level pressure overflow valve and front pressure control valve, reduces cost, saves installing space, decrease floor space, avoids laxation shaping machine too bulky complex, is more conducive to arrange application in factory building.The pressure and temperature of saturated vapor and saturated condensed water is one to one, flash distillation utilizes waste heat just to reclaim difference between the sensible heat of condensed water under original pressure and the sensible heat under flashing pressure, and flashing pressure is lower, flash steam mobilization dynamic is lower, flash steam utilizes more difficult, therefore is difficult to condensed water to be reduced to less than 100 DEG C; Compared with reclaiming condensation water residual heat with flash distillation, middle pressure heat exchanger of the present invention reclaims high pressure condensed water sensible heat, low pressure heat exchanger and presses condensed water sensible heat, fresh air preheating device to reclaim low pressure condensed water sensible heat in reclaiming, the exhaust temperature of condensed water can be reduced to less than 70 DEG C, and heat utilization rate is able to further raising.
As preferred version of the present invention, high-pressure steam pipe, middle pressure steam pipe are connected with main feed header with the 3rd stop valve respectively by the first stop valve, the second stop valve with low pressure steam pipe; Described main feed header is directly connected with the entrance of described high pressure heat exchanger, be connected with the entrance of described middle pressure heat exchanger by the 4th stop valve, be connected by the entrance of the 5th stop valve with described low pressure heat exchanger; Described first recycling condensing water pipe is provided with the 6th stop valve, and the outlet of described 6th stop valve is also connected with the entrance of described middle pressure heat exchanger; Described second recycling condensing water pipe is provided with the 7th stop valve, and the outlet of described 7th stop valve is also connected with the entrance of described low pressure heat exchanger; The outlet of described high pressure heat exchanger is provided with the 8th stop valve, and the rear of described 8th stop valve is in series with described high pressure drain valve; The outlet of described middle pressure heat exchanger is provided with the tenth stop valve, and the rear of described tenth stop valve is in series with described middle pressure drain valve; Between the entrance of described 8th stop valve and described tenth stop valve, cross-over connection has the 9th stop valve, and between described tenth stop valve and the entrance of described low pressure drain valve, cross-over connection has the 11 stop valve.(1) when Product Process needs to use high steam, open the first stop valve, the 6th stop valve, the 7th stop valve, the 8th stop valve and the tenth stop valve, close the second stop valve, the 3rd stop valve, the 4th stop valve, the 5th stop valve, the 9th stop valve and the 11 stop valve simultaneously; Now high pressure heat exchanger uses the high steam of outer confession, the condensed water of high pressure heat exchanger enters middle pressure heat exchanger through the 8th stop valve and high pressure drain valve, the condensed water of middle pressure heat exchanger enters low pressure heat exchanger through the tenth stop valve and middle pressure drain valve, and the condensed water that low pressure heat exchanger produces enters condensate pump through low pressure drain valve.(2) when Product Process needs to use middle pressure steam, open the second stop valve, 4th stop valve, 7th stop valve, 9th stop valve and the tenth stop valve, close the first stop valve simultaneously, 3rd stop valve, 5th stop valve, 6th stop valve, 8th stop valve and the 11 stop valve, now high pressure heat exchanger and middle pressure heat exchanger all use the middle pressure steam of outer confession, the condensed water that high pressure heat exchanger produces is through the 9th stop valve, tenth stop valve and middle pressure drain valve enter low pressure heat exchanger, the condensed water that middle pressure heat exchanger produces enters low pressure heat exchanger through the tenth stop valve and middle pressure drain valve, the condensed water that low pressure heat exchanger produces enters condensate pump through low pressure drain valve.(3) when Product Process needs to use low-pressure steam, open the 3rd stop valve, 4th stop valve, 5th stop valve, 9th stop valve and the 11 stop valve, close the first stop valve simultaneously, second stop valve, 6th stop valve, 7th stop valve, 8th stop valve and the tenth stop valve, now high pressure heat exchanger, middle pressure heat exchanger and low pressure heat exchanger all use the low-pressure steam of outer confession, the condensed water that high pressure heat exchanger produces is through the 9th stop valve, 11 stop valve and low pressure drain valve enter condensate pump, the condensed water that middle pressure heat exchanger produces enters condensate pump through the 11 stop valve and low pressure drain valve, the condensed water that low pressure heat exchanger produces directly enters condensate pump through low pressure drain valve.By the switching of valve, no matter Product Process needs high pressure, middle pressure or low-pressure steam, and heat exchanger is gross area use, drain valve all in design conditions work, and loosening heat setting machine self just can realize the cascade utilization of condensation water residual heat.
As preferred version of the present invention, the exhaust duct of described loosening heat setting machine is provided with the air draft control valve being controlled by PLC, described drying chamber is provided with humidity sensor, the holding wire of described humidity sensor accesses described PLC, and described PLC regulates the aperture of air draft control valve according to the moisture signal that described humidity sensor provides.The moisture of drying interior products is constantly evaporated, drying chamber relative humidity constantly raises, too high humidity will hinder the continuation evaporation of moisture on product, humid air must be discharged outside casing by means of air draft, the too large heat then with air draft loss of aperture of air draft control valve is too much, the aperture of air draft control valve is too little, humidity then in drying chamber does not reach requirement, the humidity of the drying chamber provided by humidity sensor by PLC adjusts the aperture of air draft control valve, accurate control can be realized, both ensure product quality, reduce again air exhaust heat loss.
As preferred version of the present invention, the front and back of described high pressure drain valve, middle pressure drain valve and low pressure drain valve are in series with front stop valve and rear stop valve respectively, are parallel with bypass cutoff valve between the entrance of described front stop valve and the outlet of rear stop valve.Front stop valve and rear stop valve are normally in opening, when drain valve occurs that damage needs to change, close front stop valve and rear stop valve, open bypass cutoff valve, drain valve can be changed when not breaks in production, when heat exchanger uses condensed water heat exchange, also by regulating the aperture of front stop valve and rear stop valve to control flow.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, and accompanying drawing only provides reference and explanation use, is not used to limit the present invention.
Fig. 1 is the schematic diagram of the hydrophobic and water sensible heat Multi-class propagation loosening heat setting machine of constant humidity type classification heat exchange of the present invention.
In figure: S1. high-pressure steam pipe; S2. middle pressure steam pipe; S3. low pressure steam pipe; S4. main feed header; E1. high pressure heat exchanger; E2. pressure heat exchanger in; E3. low pressure heat exchanger; E4. fresh air preheating device; W1. high pressure draining pipe; W2. pressure drain pipe in; W3. low pressure drain pipe; W4. the first recycling condensing water pipe; W5. the second recycling condensing water pipe; W6. cryogenic condensation water pipe; V1. the first stop valve; V2. the second stop valve; V3. the 3rd stop valve; V4. the 4th stop valve; V5. the 5th stop valve; V6. the 6th stop valve; V7. the 7th stop valve; V8. the 8th stop valve; V9. the 9th stop valve; V10. the tenth stop valve; V11. the 11 stop valve; Vk. air draft control valve; Vt1. high pressure drain valve; Vt2. pressure drain valve in; Vt3. low pressure drain valve; P1. condensate pump; F1. new wind; F2. pre-hot blast; F3. wind is mixed; F4. hot blast; F5. return air; F6. air draft; Fy. blower fan; H1. humidity sensor.
Detailed description of the invention
As shown in Figure 1, hydrophobic and the water sensible heat Multi-class propagation loosening heat setting machine of constant humidity type classification heat exchange of the present invention, the cabinets cavity of loosening heat setting machine is provided with blower fan Fy, drying chamber and heat exchanger, fresh air preheating device E4 is provided with outside casing, the inlet scoop of blower fan Fy communicates with the wind-supplying mouth on casing, the air outlet of blower fan Fy aims at the heat exchanger of top, air outlet above heat exchanger enters drying chamber, return air inlet and exhaust outlet is provided with below drying chamber, exhaust outlet is led to outside casing by exhaust duct, and return air inlet also communicates with the inlet scoop of blower fan Fy.
The exhaust duct of loosening heat setting machine is provided with the air draft control valve Vk being controlled by PLC, drying chamber is provided with humidity sensor H1, the holding wire access PLC of humidity sensor H1, PLC regulates the aperture of air draft control valve Vk according to the moisture signal that humidity sensor H1 provides.The outlet access fresh air preheating device E4 of condensate pump P1 makes low pressure condensed water and new wind carry out further indirect heat exchange, the below of fresh air preheating device E4 is provided with new wind entrance, the top of fresh air preheating device E4 is provided with pre-hot-blast outlet, the wind-supplying mouth of pre-hot-blast outlet access loosening heat setting machine.
The low pressure condensed water sent here from condensate pump P1 carries out preheating to new wind to be made it to become pre-hot blast F2, and discharged by cryogenic condensation water pipe W6 after the sensible heat in low pressure condensed water is recovered, new air temperature is improved the wind-supplying mouth of rear feeding loosening heat setting machine.The pre-hot blast F2 entered from wind-supplying mouth and the return air F5 of drying chamber enters the inlet scoop of blower fan Fy jointly, the wind that blower fan Fy blows out becomes hot blast F4 and enters drying chamber after heat exchanger heating, a humid air part in drying chamber is discharged by exhaust duct as air draft, and another part participates in circulation as return air F5.
Heat exchanger comprises high pressure heat exchanger E1 stacked successively from top to bottom, middle pressure heat exchanger E2 and low pressure heat exchanger E3.Mixing wind F3 is blown out by blower fan Fy, and when Product Process needs to use high steam, mixing wind F3 first heats through the low pressure heat exchanger E3 that excess temperature is higher, presses heat exchanger E2 to heat, finally heated by the high pressure heat exchanger E1 that temperature is the highest in then high by temperature; When Product Process needs to use middle pressure steam, mixing wind F3 first heats through the low pressure heat exchanger E3 that excess temperature is higher, presses heat exchanger E2 and high pressure heat exchanger E1 to heat in then high by temperature.In the process, the temperature of air improves step by step, is also increase gradually to the vapor (steam) temperature of its heating.
High-pressure steam pipe S1, middle pressure steam pipe S2 are connected with main feed header S4 with the 3rd stop valve V3 respectively by the first stop valve V1, the second stop valve V2 with low pressure steam pipe S3.Main feed header S4 is directly connected with the entrance of high pressure heat exchanger E1, be connected with the entrance of middle pressure heat exchanger E2 by the 4th stop valve V4, be connected with the entrance of low pressure heat exchanger E3 by the 5th stop valve V5.
The high pressure draining pipe W1 that high pressure heat exchanger E1 exports is in series with the 8th stop valve V8 and high pressure drain valve Vt1 successively, and the outlet of high pressure drain valve Vt1 is by pressing the entrance of heat exchanger E2 in the first recycling condensing water pipe W4 and the 6th stop valve V6 access.
The middle pressure drain pipe W2 that middle pressure heat exchanger E2 exports is in series with the tenth stop valve V10 and middle pressure drain valve Vt2 successively, and the outlet of middle pressure drain valve Vt2 accesses the entrance of low pressure heat exchanger E3 by the second recycling condensing water pipe W5 and the 7th stop valve V7.
The low pressure drain pipe W3 that low pressure heat exchanger E3 exports is provided with low pressure drain valve Vt3, the entrance of the outlet access condensate pump P1 of low pressure drain valve Vt3.Between the entrance of the 8th stop valve V8 and the tenth stop valve V10, cross-over connection has the 9th stop valve V9, and between the entrance of the tenth stop valve V10 and low pressure drain valve Vt3, cross-over connection has the 11 stop valve V11.
The front and back of high pressure drain valve Vt1, middle pressure drain valve Vt2 and low pressure drain valve Vt3 are in series with front stop valve and rear stop valve respectively, are parallel with bypass cutoff valve between the entrance of front stop valve and the outlet of rear stop valve.
When Product Process needs to use high steam, open the first stop valve V1, the 6th stop valve V6, the 7th stop valve V7, the 8th stop valve V8 and the tenth stop valve V10, close the second stop valve V2, the 3rd stop valve V3, the 4th stop valve V4, the 5th stop valve V5, the 9th stop valve V9 and the 11 stop valve V11 simultaneously; Now high pressure heat exchanger E1 uses the high steam of outer confession, and the high pressure condensed water of high pressure heat exchanger E1 is dredged out through the 8th stop valve V8 and high pressure drain valve Vt1, then enters middle pressure heat exchanger E2 through the first recycling condensing water pipe W4 and the 6th stop valve V6.In the flash distillation due to dilatation of middle pressure heat exchanger E2 mesohigh condensed water, condensed water pressure drop, flash steam and air heat-exchange be rapid condensation after discharging latent heat, non-flash distillation and the condensed water of the condensed water of pressure drop and time condensation presses condensed water in becoming continue to discharge sensible heat in middle pressure heat exchanger E2 after, middle pressure condensed water is dredged out through the tenth stop valve V10 and middle pressure drain valve Vt2, low pressure heat exchanger E3 is entered again through the second recycling condensing water pipe W5 and the 7th stop valve V7, middle pressure drain valve Vt2 presses the flow of condensed water to ensure condensed water and to mix the sufficient exchange heat of wind in controlling.In low pressure heat exchanger E3, the flash distillation again due to dilatation of middle pressure condensed water, condensed water pressure declines further, flash steam and air heat-exchange be rapid condensation after discharging latent heat, become low pressure condensed water after the condensed water of the condensed water that non-flash distillation and pressure decline further and three condensations continues to discharge sensible heat in low pressure heat exchanger E3 to dredge out from low pressure drain valve Vt3, low pressure drain valve Vt3 controls the flow of low pressure condensed water to ensure condensed water and to mix the sufficient exchange heat of wind, low pressure condensed water is sent into fresh air preheating device E4 by condensate pump P1 and is continued release sensible heat, the condensate temperature that loosening heat setting machine finally discharges is very low, waste heat is fully reclaimed.
When Product Process needs to use middle pressure steam, open the second stop valve V2, the 4th stop valve V4, the 7th stop valve V7, the 9th stop valve V9 and the tenth stop valve V10, close the first stop valve V1, the 3rd stop valve V3, the 5th stop valve V5, the 6th stop valve V6, the 8th stop valve V8 and the 11 stop valve V11, now high pressure heat exchanger E1 and middle pressure heat exchanger E2 all uses the middle pressure steam of outer confession simultaneously.The middle pressure condensed water that high pressure heat exchanger E1 produces is after the 9th stop valve V9 discharges, condensed water is pressed jointly to dredge out through the tenth stop valve V10 and middle pressure drain valve Vt2 in producing with middle pressure heat exchanger E2, middle pressure condensed water enters low pressure heat exchanger E3 through the second recycling condensing water pipe W5 and the 7th stop valve V7 again, in low pressure heat exchanger E3, the flash distillation due to dilatation of middle pressure condensed water, condensed water pressure drop, flash steam and air heat-exchange be rapid condensation after discharging latent heat, non-flash distillation and the condensed water of the condensed water of pressure drop and time condensation becomes low pressure condensed water continue to discharge sensible heat in low pressure heat exchanger E3 after dredge out from low pressure drain valve Vt3, low pressure drain valve Vt3 controls the flow of low pressure condensed water to ensure condensed water and to mix the sufficient exchange heat of wind, low pressure condensed water is sent into fresh air preheating device E4 by condensate pump P1 and is continued release sensible heat.
When Product Process needs to use low-pressure steam, open the 3rd stop valve V3, the 4th stop valve V4, the 5th stop valve V5, the 9th stop valve V9 and the 11 stop valve V11, close the first stop valve V1, the second stop valve V2, the 6th stop valve V6, the 7th stop valve V7, the 8th stop valve V8 and the tenth stop valve V10, now high pressure heat exchanger E1, middle pressure heat exchanger E2 and low pressure heat exchanger E3 all use the low-pressure steam of outer confession simultaneously.The low pressure condensed water that high pressure heat exchanger E1 produces is dredged out through the 9th stop valve V9, the 11 stop valve V11 and low pressure drain valve Vt3, the low pressure condensed water that middle pressure heat exchanger E2 produces is dredged out through the 11 stop valve V11 and low pressure drain valve Vt3, the low pressure condensed water that low pressure heat exchanger E3 produces directly is dredged out through low pressure drain valve Vt3, low pressure condensed water is discharged by cryogenic condensation water pipe W6 after sending into fresh air preheating device E4 continuation release sensible heat by condensate pump P1.
The foregoing is only the better possible embodiments of the present invention, non-ly therefore limit to scope of patent protection of the present invention.In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (4)
1. the hydrophobic and water sensible heat Multi-class propagation loosening heat setting machine of a constant humidity type classification heat exchange, the cabinets cavity of loosening heat setting machine is provided with blower fan, heat exchanger and product is carried out to the drying chamber of shaping and drying, the inlet scoop of described blower fan communicates with the wind-supplying mouth on casing, the air outlet of blower fan aims at the heat exchanger of top, air outlet above described heat exchanger enters described drying chamber, return air inlet and exhaust outlet is provided with below drying chamber, described exhaust outlet leads to outside casing by exhaust duct, described return air inlet also communicates with the inlet scoop of blower fan, it is characterized in that: also comprise fresh air preheating device, the below of described fresh air preheating device is provided with new wind entrance, the top of fresh air preheating device is provided with pre-hot-blast outlet, described heat exchanger comprises high pressure heat exchanger stacked successively from top to bottom, middle pressure heat exchanger and low pressure heat exchanger, the entrance of described high pressure heat exchanger is connected with main feed header, the outlet access high pressure drain valve of described high pressure heat exchanger, the outlet of described high pressure drain valve accesses the entrance of described middle pressure heat exchanger by the first recycling condensing water pipe, drain valve is pressed in the outlet access of middle pressure heat exchanger, the outlet of middle pressure drain valve accesses the entrance of described low pressure heat exchanger by the second recycling condensing water pipe, low pressure heat exchanger exit is by the entrance of low pressure drain valve access condensate pump, condensed water delivery side of pump accesses described fresh air preheating device makes low pressure condensed water and new wind carry out indirect heat exchange, the described wind-supplying mouth of the pre-hot-blast outlet access loosening heat setting machine of described fresh air preheating device.
2. the hydrophobic and water sensible heat Multi-class propagation loosening heat setting machine of constant humidity type classification heat exchange according to claim 1, is characterized in that: high-pressure steam pipe, middle pressure steam pipe are connected with main feed header with the 3rd stop valve respectively by the first stop valve, the second stop valve with low pressure steam pipe; Described main feed header is directly connected with the entrance of described high pressure heat exchanger, be connected with the entrance of described middle pressure heat exchanger by the 4th stop valve, be connected by the entrance of the 5th stop valve with described low pressure heat exchanger; Described first recycling condensing water pipe is provided with the 6th stop valve, and the outlet of described 6th stop valve is also connected with the entrance of described middle pressure heat exchanger; Described second recycling condensing water pipe is provided with the 7th stop valve, and the outlet of described 7th stop valve is also connected with the entrance of described low pressure heat exchanger; The outlet of described high pressure heat exchanger is provided with the 8th stop valve, and the rear of described 8th stop valve is in series with described high pressure drain valve; The outlet of described middle pressure heat exchanger is provided with the tenth stop valve, and the rear of described tenth stop valve is in series with described middle pressure drain valve; Between the entrance of described 8th stop valve and described tenth stop valve, cross-over connection has the 9th stop valve, and between described tenth stop valve and the entrance of described low pressure drain valve, cross-over connection has the 11 stop valve.
3. the hydrophobic and water sensible heat Multi-class propagation loosening heat setting machine of constant humidity type classification heat exchange according to claim 1, it is characterized in that: the exhaust duct of described loosening heat setting machine is provided with the air draft control valve being controlled by PLC, described drying chamber is provided with humidity sensor, the holding wire of described humidity sensor accesses described PLC, and described PLC regulates the aperture of air draft control valve according to the moisture signal that described humidity sensor provides.
4. the hydrophobic and water sensible heat Multi-class propagation loosening heat setting machine of constant humidity type classification heat exchange according to any one of claim 1 to 3, it is characterized in that: the front and back of described high pressure drain valve, middle pressure drain valve and low pressure drain valve are in series with front stop valve and rear stop valve respectively, are parallel with bypass cutoff valve between the entrance of described front stop valve and the outlet of rear stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025572.0A CN103088509B (en) | 2013-01-22 | 2013-01-22 | Constant humidity type classification heat exchange dewatering and water sensible heat multistage utilization relaxation heat setting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025572.0A CN103088509B (en) | 2013-01-22 | 2013-01-22 | Constant humidity type classification heat exchange dewatering and water sensible heat multistage utilization relaxation heat setting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103088509A CN103088509A (en) | 2013-05-08 |
| CN103088509B true CN103088509B (en) | 2015-01-14 |
Family
ID=48201612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310025572.0A Expired - Fee Related CN103088509B (en) | 2013-01-22 | 2013-01-22 | Constant humidity type classification heat exchange dewatering and water sensible heat multistage utilization relaxation heat setting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103088509B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088110B (en) * | 2014-07-18 | 2016-04-27 | 苏州市宏达集团有限公司 | A kind of steam forming machine |
| CN106839749A (en) * | 2017-03-16 | 2017-06-13 | 郑州纺机工程技术有限公司 | One kind is used for Reuse of Condensate from Drying Cylinder apparatus for reusing residual heat |
| CN108507102B (en) * | 2018-05-21 | 2024-01-23 | 龙感湖非凡纺织有限公司 | A spraying humidification system for weaving workshop |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2630853A1 (en) * | 1976-06-15 | 1977-12-22 | Escher Wyss Gmbh | DRYING DEVICE |
| CN2127480Y (en) * | 1992-07-08 | 1993-02-24 | 李连群 | Air heater of drying tower |
| CN2342342Y (en) * | 1998-05-27 | 1999-10-06 | 薛翔 | Steam ejecting graded heat supply device |
| CN201731732U (en) * | 2010-07-09 | 2011-02-02 | 中钢集团洛阳耐火材料研究院有限公司 | Energy-saving fiber drying kiln |
| CN102268796A (en) * | 2011-05-24 | 2011-12-07 | 桐乡市好阳光能源科技有限公司 | Waste gas treating and waste heat recycling device and method |
| CN202304507U (en) * | 2011-11-01 | 2012-07-04 | 华汇工程设计集团股份有限公司 | Heat exchange device for waste heat recovery of setting machine in textile printing and dyeing mill |
| CN202403571U (en) * | 2011-12-16 | 2012-08-29 | 亿恒节能科技江苏有限公司 | Condensate water waste heat multiple-effect flash evaporation utilizing device for air heating coil stack |
| CN102878547A (en) * | 2012-10-17 | 2013-01-16 | 亿恒节能科技江苏有限公司 | Outer drying steam triple-effect heat exchange system |
| CN203096294U (en) * | 2013-01-22 | 2013-07-31 | 亿恒节能科技江苏有限公司 | Hierarchical heat exchanging water draining and water sensible heat multistage utilization constant humidity type relaxation heat setting machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3837133C1 (en) * | 1988-11-02 | 1990-04-12 | Tch Thermo-Consulting-Heidelberg Gmbh, 6900 Heidelberg, De |
-
2013
- 2013-01-22 CN CN201310025572.0A patent/CN103088509B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2630853A1 (en) * | 1976-06-15 | 1977-12-22 | Escher Wyss Gmbh | DRYING DEVICE |
| CN2127480Y (en) * | 1992-07-08 | 1993-02-24 | 李连群 | Air heater of drying tower |
| CN2342342Y (en) * | 1998-05-27 | 1999-10-06 | 薛翔 | Steam ejecting graded heat supply device |
| CN201731732U (en) * | 2010-07-09 | 2011-02-02 | 中钢集团洛阳耐火材料研究院有限公司 | Energy-saving fiber drying kiln |
| CN102268796A (en) * | 2011-05-24 | 2011-12-07 | 桐乡市好阳光能源科技有限公司 | Waste gas treating and waste heat recycling device and method |
| CN202304507U (en) * | 2011-11-01 | 2012-07-04 | 华汇工程设计集团股份有限公司 | Heat exchange device for waste heat recovery of setting machine in textile printing and dyeing mill |
| CN202403571U (en) * | 2011-12-16 | 2012-08-29 | 亿恒节能科技江苏有限公司 | Condensate water waste heat multiple-effect flash evaporation utilizing device for air heating coil stack |
| CN102878547A (en) * | 2012-10-17 | 2013-01-16 | 亿恒节能科技江苏有限公司 | Outer drying steam triple-effect heat exchange system |
| CN203096294U (en) * | 2013-01-22 | 2013-07-31 | 亿恒节能科技江苏有限公司 | Hierarchical heat exchanging water draining and water sensible heat multistage utilization constant humidity type relaxation heat setting machine |
Non-Patent Citations (1)
| Title |
|---|
| JP平3-502119A 1991.05.16 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103088509A (en) | 2013-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103060989B (en) | Constant-humidity relaxation heat setting machine adopting grading heat exchange and water drain and achieving water-air sensible heat gradient utilization | |
| CN103088509B (en) | Constant humidity type classification heat exchange dewatering and water sensible heat multistage utilization relaxation heat setting machine | |
| CN203080169U (en) | Condensate water classifying flash waste heat recovery slack heat forming machine | |
| CN103088508B (en) | Constant humidity type classification heat exchange dewatering and water-wind sensible heat multistage utilization relaxation heat setting machine | |
| CN203096291U (en) | Hierarchical heat exchanging water draining and water-air sensible heat gradient utilization constant humidity type relaxation heat setting machine | |
| CN101957125A (en) | Multiple-effect vacuum continuous drying equipment | |
| CN203080282U (en) | Grade heat exchange draining and water-wind sensible heat gradient utilization return-air-free loosening heat setting machine | |
| CN203096294U (en) | Hierarchical heat exchanging water draining and water sensible heat multistage utilization constant humidity type relaxation heat setting machine | |
| CN203096293U (en) | Hierarchical heat exchanging water draining and water-air sensible heat multistage utilization constant humidity type relaxation heat setting machine | |
| CN103074718B (en) | Relaxation heat setting machine with graded heat-exchange water drainage without air return and water-air sensible-heat gradient utilization | |
| CN103088590B (en) | Non-air return, condensing water flash vaporization and sensitive heat and air exhaust waste heat recovery laxation thermoforming machine | |
| CN204165372U (en) | Combined steam decompression cycles multilevel drying system | |
| CN203080168U (en) | Constant humidity condensate water hierarchical flash evaporation and low-temperature sensible heat recovery slack heat-setting machine | |
| CN103088510B (en) | Non-return-air classification heat exchange dewatering and air exhaust waste heat utilization relaxation heat setting machine | |
| CN103074719B (en) | Hydrophobic and the condensed water sensible heat cascade utilization loosening heat setting machine of classification | |
| CN203174268U (en) | Return-air-free relaxation heat-setting machine for flash and sensible heat of condensate water and waste heat recovery of exhaust air | |
| CN203096292U (en) | Hierarchical heat exchanging water draining and discharged air waste heat utilization non-return-air relaxation heat setting machine | |
| CN203128763U (en) | Return-air-free condensate-water grading flash and exhaust air waste heat recovery flabby heat-setting machine | |
| CN207871570U (en) | A kind of device of rapidly pre-warming MVR vapo(u)rization systems | |
| CN203096410U (en) | Relaxation heat setting machine achieving gradient recycling of sensible heat of drained water and condensed water by stages | |
| CN203080167U (en) | Constant humidity slack heat forming machine for condensate water latent heat and sensible heat and air exhaust waste heat recovery | |
| CN203096409U (en) | Relaxation heat setting machine achieving gradient recycling of sensible heat of drained water, exhaust air and condensed water by stages | |
| CN203128762U (en) | Loose heat-setting machine capable of achieving classified heat exchange, dewatering and condensate water sensible heat gradient utilization | |
| CN103060990B (en) | Constant-humidity relaxation heat setting machine for condensate water flashing and sensible heat and exhaust afterheat recovering | |
| CN203096290U (en) | Constant-humidity classified heat transfer dewatering relaxation heat setting machine achieving gradient utilization of sensible heat of condensate water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20180122 |