CN103088507B - Non-return-air classification dewatering and water-wind sensible heat gradient utilization relaxation heat setting machine - Google Patents
Non-return-air classification dewatering and water-wind sensible heat gradient utilization relaxation heat setting machine Download PDFInfo
- Publication number
- CN103088507B CN103088507B CN201310025514.8A CN201310025514A CN103088507B CN 103088507 B CN103088507 B CN 103088507B CN 201310025514 A CN201310025514 A CN 201310025514A CN 103088507 B CN103088507 B CN 103088507B
- Authority
- CN
- China
- Prior art keywords
- stop valve
- preheating section
- condensed water
- drain valve
- outlet
- 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
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a non-return-air classification dewatering and water-wind sensible heat gradient utilization relaxation heat setting machine. New wind in a new wind preheater sequentially passes through an exhaust preheating section, a low pressure condensate water preheating section, a middle pressure condensate water preheating section and a high pressure condensate water preheating section to enter into an air compensation port of the relaxation heat setting machine, and an exhaust tube is connected into the exhaust preheating section. A total dewatering tube of a heat exchanger is in parallel connection with a high pressure dewatering tube, a middle pressure dewatering tube and a lower pressure dewatering tube which all can be switched. An outlet of a high pressure drain valve is connected into the high pressure condensate water preheating section through a first condensate water reuse tube, an outlet of a middle pressure drain valve is connected into a middle pressure condensate water preheating section through a second condensate water reuse tube, and an outlet of a low pressure drain valve is connected into the low pressure condensate water preheating section through a third condensate water reuse tube. Dewatering of the high pressure condensate water preheating section is also connected into an inlet of the middle pressure condensate water preheating section, and dewatering of the middle condensate water preheating section is also connected into an inlet of the low pressure condensate water preheating section. The setting machine can achieve sufficient utilization of waste heat of air exhaust and condensate water, and is high in heat efficiency.
Description
Technical field
The present invention relates to a kind of loosening heat setting machine, particularly a kind of without return air classification hydrophobic and water wind sensible heat cascade utilization loosening heat setting machine.
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 without return air classification hydrophobic and water wind sensible heat cascade utilization loosening heat setting machine, no matter product use 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, one of the present invention is hydrophobic and water wind sensible heat cascade utilization loosening heat setting machine without return air classification, 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, exhaust outlet is provided with below drying chamber, described exhaust outlet leads to outside casing by exhaust duct, also comprise fresh air preheating device, described fresh air preheating device comprises the air draft preheating section carrying out indirect heat exchange successively with new wind, low pressure condensation water preheat section, middle pressure condensed water preheating section and high pressure condensed water preheating section, new wind enters fresh air preheating device by the new wind entrance of air draft preheating section, go out from the pre-hot blast outlet flow of high pressure condensed water preheating section after flowing through air draft preheating section, low pressure condensation water preheat section, middle pressure condensed water preheating section and high pressure condensed water preheating section successively, the described wind-supplying mouth of described pre-hot-blast outlet access loosening heat setting machine, described exhaust duct accesses the air draft entrance of described air draft preheating section, total drain pipe of described heat exchanger is connected in parallel to the high pressure draining pipe that can switch, middle pressure drain pipe and low pressure drain pipe, described high pressure draining pipe, middle pressure drain pipe and low pressure drain pipe are separately installed with high pressure drain valve, middle pressure drain valve and low pressure drain valve, the outlet of described high pressure drain valve accesses the entrance of described high pressure condensed water preheating section by the first recycling condensing water pipe, the outlet of described middle pressure drain valve accesses the entrance of described middle pressure condensed water preheating section by the second recycling condensing water pipe, the outlet of described low pressure drain valve accesses the entrance of described low pressure condensation water preheat section by the 3rd recycling condensing water pipe.
Relative to prior art, the present invention achieves following beneficial effect: (1) is when Product Process needs high steam, to heat exchanger input high steam, high steam becomes high pressure condensed water discharge latent heat in heat exchanger after, high pressure condensed water enters high pressure condensed water preheating section by the first recycling condensing water pipe after being dredged out by high pressure drain valve and carries out fourth stage preheating to new wind, at high pressure condensed water preheating section, high pressure condensed water is to new wind release sensible heat; (2) when Product Process needs middle pressure steam, to heat exchanger input middle pressure steam, middle pressure steam presses condensed water in becoming discharge latent heat in heat exchanger after, middle pressure condensed water enters middle pressure condensed water preheating section by the second recycling condensing water pipe after being dredged out by middle pressure drain valve and carries out third level preheating to new wind, at middle pressure condensed water preheating section, middle pressure condensed water is to new wind release sensible heat; (3) when Product Process needs low-pressure steam, to heat exchanger input low-pressure steam, low-pressure steam becomes low pressure condensed water discharge latent heat in heat exchanger after, low pressure condensed water enters low pressure condensation water preheat section by the 3rd recycling condensing water pipe after being dredged out by low pressure drain valve and carries out second level preheating to new wind, in low pressure condensation water preheat section, low pressure condensed water is to new wind release sensible heat; (4) the air draft preheating section of the air draft access fresh air preheating device of loosening heat setting machine carries out first order preheating to new wind, and the waste heat in air draft is recovered, and decrease thermal pollution and the heat loss of discharge, new air temperature is able to preliminary raising; New wind continues to be heated at low pressure condensation water preheat section, middle pressure condensed water preheating section and high pressure condensed water preheating section subsequently, is admitted in loosening heat setting machine, reduces the steam consumption of heat exchanger in loosening heat setting machine after temperature improves step by step; The minimum new wind of temperature, first through the air draft preheating that excess temperature is lower, then by the slightly high low pressure condensation water preheat of temperature, presses condensed water preheating, then by the high pressure condensed water preheating that temperature is higher in then high by temperature; 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.(5) 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, the present invention can reclaim high pressure condensed water sensible heat, middle pressure condensed water sensible heat, low pressure condensed water sensible heat and air exhaust waste heat, and the exhaust temperature of condensed water can be reduced to less than 60 DEG C, and heat utilization rate is able to further raising.
As preferred version of the present invention, the outlet of described high pressure condensed water preheating section is provided with the 4th drain valve, and the outlet of described 4th drain valve accesses the entrance of described middle pressure condensed water preheating section by the 4th recycling condensing water pipe; The outlet of described middle pressure condensed water preheating section is provided with the 5th drain valve, and the outlet of described 5th drain valve accesses the entrance of described low pressure condensation water preheat section by the 5th recycling condensing water pipe; The outlet of described low pressure condensation water preheat section is provided with the 6th drain valve, and the outlet of described 6th drain valve is by the 6th condensate pipe access condensate pump.(1) when Product Process needs high steam, to heat exchanger input high steam, high steam becomes high pressure condensed water discharge latent heat in heat exchanger after, high pressure condensed water enters high pressure condensed water preheating section by the first recycling condensing water pipe after being dredged out by high pressure drain valve and carries out fourth stage preheating to new wind, at high pressure condensed water preheating section, high pressure condensed water becomes middle pressure condensed water to pressure drop after new wind release sensible heat; Condensed water is pressed to be dredged out by the 4th drain valve in this, then enter middle pressure condensed water preheating section by the 4th recycling condensing water pipe and third level preheating is carried out to new wind, at middle pressure condensed water preheating section, middle pressure condensed water becomes low pressure condensed water to pressure drop after new wind release sensible heat, this low pressure condensed water is dredged out by the 5th drain valve, then enter low pressure condensation water preheat section by the 5th recycling condensing water pipe and carry out second level preheating to new wind, the first order preheating of new wind is undertaken by air draft; Loosening heat setting machine self just can realize the cascade utilization of air draft and condensation water residual heat.(2) when Product Process needs middle pressure steam, to heat exchanger input middle pressure steam, middle pressure steam presses condensed water in becoming discharge latent heat in heat exchanger after, middle pressure condensed water enters middle pressure condensed water preheating section by the second recycling condensing water pipe after being dredged out by middle pressure drain valve and carries out third level preheating to new wind, at middle pressure condensed water preheating section, middle pressure condensed water becomes low pressure condensed water to pressure drop after new wind release sensible heat, this low pressure condensed water is dredged out by the 5th drain valve, then enter low pressure condensation water preheat section by the 5th recycling condensing water pipe and second level preheating is carried out to new wind, the first order preheating of new wind is undertaken by air draft, loosening heat setting machine self just can realize the cascade utilization of air draft and condensation water residual heat.(3) when Product Process needs low-pressure steam, to heat exchanger input low-pressure steam, low-pressure steam becomes low pressure condensed water discharge latent heat in heat exchanger after, low pressure condensed water enters low pressure condensation water preheat section by the 3rd recycling condensing water pipe after being dredged out by low pressure drain valve and carries out second level preheating to new wind, and the first order preheating of new wind is undertaken by air draft; Loosening heat setting machine self just can realize the cascade utilization of air draft and condensation water residual heat.
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, and described main feed header is connected with the entrance of described heat exchanger; Described high pressure draining pipe is provided with the 4th stop valve, and the rear of described 4th stop valve is in series with described high pressure drain valve; Described middle pressure drain pipe is provided with the 6th stop valve, and the rear of described 6th stop valve is in series with described middle pressure drain valve; Between the entrance of described 4th stop valve and described 6th stop valve, cross-over connection has the 5th stop valve, and between described 6th stop valve and the entrance of described low pressure drain valve, cross-over connection has the 7th stop valve; Described 4th recycling condensing water pipe is provided with the 8th stop valve, described 5th recycling condensing water pipe is provided with the 9th stop valve.(1) when Product Process needs to use high steam, open the first stop valve, the 4th stop valve, the 8th stop valve and the 9th stop valve, close the second stop valve, the 3rd stop valve, the 5th stop valve, the 6th stop valve and the 7th stop valve simultaneously, now heat exchanger uses the high steam of outer confession, the high pressure condensed water that heat exchanger produces is dredged out through the 4th stop valve and high pressure drain valve, the high pressure condensed water preheating section entering fresh air preheating device through the first recycling condensing water pipe carries out fourth stage preheating to new wind, in high pressure condensed water preheating section, the full flashing due to dilatation of high pressure condensed water, condensed water pressure drop, flash steam and new air heat-exchange be rapid condensation after discharging latent heat, non-flash distillation and the condensed water of pressure drop and full flashing vapour condensed water are dredged out from the 4th drain valve after pressing condensed water in becoming continue to discharge sensible heat in high pressure condensed water preheating section after, 4th drain valve presses the flow of condensed water to ensure condensed water and the sufficient exchange heat of new wind in high pressure condensed water preheating section in controlling, middle pressure condensed water enters middle pressure condensed water preheating section by the 4th recycling condensing water pipe after being dredged out by the 4th drain valve and carries out third level preheating to new wind, in middle pressure condensed water preheating section, middle pressure condensed water is secondary flash due to dilatation, condensed water pressure second time declines, secondary flash vapour and new air heat-exchange be rapid condensation after discharging latent heat, become low pressure condensed water and dredge out from the 5th drain valve after the condensed water that non-flash distillation and pressure second time decline and secondary flash vapour condensed water continue to discharge sensible heat in middle pressure condensed water preheating section, the flow that 5th drain valve controls low pressure condensed water presses condensed water and the sufficient exchange heat of new wind in condensed water preheating section in ensureing, low pressure condensed water enters low pressure condensation water preheat section by the 5th recycling condensing water pipe after being dredged out by the 5th drain valve and carries out second level preheating to new wind, in low pressure condensation water preheat section, three times due to the dilatation flash distillations of low pressure condensed water, condensed water pressure third time declines, three flash steams and new air heat-exchange be rapid condensation after discharging latent heat, become cryogenic condensation water and dredge out from the 6th drain valve after the condensed water that non-flash distillation and pressure third time decline and three flash steam condensed waters continue to discharge sensible heat in low pressure condensation water preheat section, 6th drain valve controls the flow of cryogenic condensation water to ensure condensed water and the sufficient exchange heat of new wind in low pressure condensation water preheat section, cryogenic condensation water is by the 6th condensate pipe access condensate pump, the first order preheating of new wind is undertaken by air draft, loosening heat setting machine self just can realize the cascade utilization of air draft and condensation water residual heat.(2) when Product Process needs to use middle pressure steam, open the second stop valve, the 5th stop valve, the 6th stop valve and the 9th stop valve, close the first stop valve, the 3rd stop valve, the 4th stop valve, the 7th stop valve and the 8th stop valve simultaneously, now heat exchanger uses the middle pressure steam of outer confession, the middle pressure condensed water that heat exchanger produces is through the 5th stop valve, 6th stop valve and middle pressure drain valve are dredged out, entering in fresh air preheating device through the second recycling condensing water pipe presses condensed water preheating section to carry out third level preheating to new wind, in middle pressure condensed water preheating section, the full flashing due to dilatation of middle pressure condensed water, condensed water pressure drop, full flashing vapour and new air heat-exchange be rapid condensation after discharging latent heat, non-flash distillation and the condensed water of pressure drop and full flashing vapour condensed water become low pressure condensed water continue to discharge sensible heat in middle pressure condensed water preheating section after dredges out from the 5th drain valve, the flow that 5th drain valve controls low pressure condensed water presses condensed water and the sufficient exchange heat of new wind in condensed water preheating section in ensureing, low pressure condensed water enters low pressure condensation water preheat section by the 5th recycling condensing water pipe after being dredged out by the 5th drain valve and carries out second level preheating to new wind, in low pressure condensation water preheat section, low pressure condensed water is secondary flash due to dilatation, condensed water pressure second time declines, secondary flash vapour and new air heat-exchange be rapid condensation after discharging latent heat, become cryogenic condensation water and dredge out from the 6th drain valve after the condensed water that non-flash distillation and pressure second time decline and secondary flash vapour condensed water continue to discharge sensible heat in low pressure condensation water preheat section, 6th drain valve controls the flow of cryogenic condensation water to ensure condensed water and the sufficient exchange heat of new wind in low pressure condensation water preheat section, cryogenic condensation water is by the 6th condensate pipe access condensate pump, the first order preheating of new wind is undertaken by air draft, loosening heat setting machine self just can realize the cascade utilization of air draft and condensation water residual heat.(3) when Product Process needs to use low-pressure steam, open the 3rd stop valve, the 5th stop valve and the 7th stop valve, close the first stop valve, the second stop valve, the 4th stop valve, the 6th stop valve, the 8th stop valve and the 9th stop valve simultaneously, now heat exchanger uses the low-pressure steam of outer confession, the low pressure condensed water that heat exchanger produces is through the 5th stop valve, 7th stop valve and low pressure drain valve are dredged out, the low pressure condensation water preheat section entering fresh air preheating device through the 3rd recycling condensing water pipe carries out second level preheating to new wind, in low pressure condensation water preheat section, the flash distillation due to dilatation of low pressure condensed water, condensed water pressure drop, flash steam and new air heat-exchange be rapid condensation after discharging latent heat, non-flash distillation and the condensed water of pressure drop and flash steam condensed water become cryogenic condensation water continue to discharge sensible heat in low pressure condensation water preheat section after dredges out from the 6th drain valve, 6th drain valve controls the flow of cryogenic condensation water to ensure condensed water and the sufficient exchange heat of new wind in low pressure condensation water preheat section, cryogenic condensation water is by the 6th condensate pipe access condensate pump, the first order preheating of new wind is undertaken by air draft, loosening heat setting machine self just can realize the cascade utilization of air draft and condensation water residual heat.
As preferred version of the present invention, the front and back of described high pressure drain valve, middle pressure drain valve, low pressure drain valve, the 4th drain valve, the 5th drain valve and the 6th 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, can change drain valve 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 present invention's and water wind sensible heat cascade utilization loosening heat setting machine hydrophobic without return air classification.
In figure: S1. high-pressure steam pipe; S2. middle pressure steam pipe; S3. low pressure steam pipe; S4. main feed header; E1. heat exchanger; E2. fresh air preheating device; W0. total drain pipe; W1. high pressure draining pipe; W2. pressure drain pipe in; W3. low pressure drain pipe; R1. the first recycling condensing water pipe; R2. the second recycling condensing water pipe; R3. the 3rd recycling condensing water pipe; R4. the 4th recycling condensing water pipe; R5. the 5th recycling condensing water pipe; R6. the 6th condensate 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; Vt1. high pressure drain valve; Vt2. pressure drain valve in; Vt3. low pressure drain valve; Vt4. the 4th drain valve; Vt5. the 5th drain valve; Vt6. the 6th drain valve; P1. condensate pump; F1. new wind; F2. pre-hot blast; F4. hot blast; F6. air draft; Fy. blower fan.
Detailed description of the invention
As shown in Figure 1, the present invention is hydrophobic and water wind sensible heat cascade utilization loosening heat setting machine without return air classification, the cabinets cavity of loosening heat setting machine is provided with blower fan Fy, heat exchanger E1 and product is carried out to the drying chamber of shaping and drying, 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 E1 of top, air outlet above heat exchanger E1 enters drying chamber, is provided with exhaust outlet below drying chamber, and exhaust outlet is led to outside casing by exhaust duct.
Be provided with fresh air preheating device E2 outside loosening heat setting machine, fresh air preheating device E2 comprises the air draft preheating section, low pressure condensation water preheat section, middle pressure condensed water preheating section and the high pressure condensed water preheating section that carry out indirect heat exchange successively with new wind F1; New wind F1 enters fresh air preheating device E2 by the new wind entrance of air draft preheating section, go out from the pre-hot blast outlet flow of high pressure condensed water preheating section after flowing through air draft preheating section, low pressure condensation water preheat section, middle pressure condensed water preheating section and high pressure condensed water preheating section successively, the wind-supplying mouth of pre-hot-blast outlet access loosening heat setting machine, the air draft entrance of exhaust duct access air draft preheating section.
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, and main feed header S4 is connected with the entrance of heat exchanger E1.Total drain pipe W0 of heat exchanger E1 is connected in parallel to high pressure draining pipe W1, middle pressure drain pipe W2 and low pressure drain pipe W3, high pressure draining pipe W1 is provided with the 4th stop valve V4, and the rear of the 4th stop valve V4 is in series with high pressure drain valve Vt1; Middle pressure drain pipe W2 is provided with the 6th stop valve V6, and the rear of the 6th stop valve V6 is in series with middle pressure drain valve Vt2; Between the entrance of the 4th stop valve V4 and the 6th stop valve V6, cross-over connection has the 5th stop valve V5, and between the entrance of the 6th stop valve V6 and low pressure drain valve Vt3, cross-over connection has the 7th stop valve V7.
The outlet of high pressure drain valve Vt1 accesses the entrance of high pressure condensed water preheating section by the first recycling condensing water pipe R1, the outlet of middle pressure drain valve Vt2 is by pressing the entrance of condensed water preheating section in the second recycling condensing water pipe R2 access, the outlet of low pressure drain valve Vt3 accesses the entrance of low pressure condensation water preheat section by the 3rd recycling condensing water pipe R3.
The outlet of high pressure condensed water preheating section is provided with the 4th drain valve Vt4, and the outlet of the 4th drain valve Vt4, by pressing the entrance of condensed water preheating section in the 4th recycling condensing water pipe R4 access, the 4th recycling condensing water pipe R4 is provided with the 8th stop valve V8.The outlet of middle pressure condensed water preheating section is provided with the 5th drain valve Vt5, and the outlet of the 5th drain valve Vt5, by the entrance of the 5th recycling condensing water pipe R5 access low pressure condensation water preheat section, the 5th recycling condensing water pipe R5 is provided with the 9th stop valve V9; The outlet of low pressure condensation water preheat section is provided with the 6th drain valve Vt6, and the outlet of the 6th drain valve Vt6 accesses condensate pump P1 by the 6th condensate pipe R6.
The front and back of high pressure drain valve Vt1, middle pressure drain valve Vt2, low pressure drain valve Vt3, the 4th drain valve Vt4, the 5th drain valve Vt5 and the 6th drain valve Vt6 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.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, can change drain valve when not breaks in production; When heat transmission equipment uses condensed water heat exchange, also by regulating the aperture of front stop valve and rear stop valve to control flow.
The moisture of drying interior products is constantly evaporated, and drying chamber relative humidity constantly raises, and humid air is discharged by exhaust duct.The air draft preheating section that air draft F6 enters fresh air preheating device E2 carries out first order preheating to new wind F1, and the waste heat in air draft is recovered, and new air temperature is able to preliminary raising; New wind continues to be heated at the low pressure condensation water preheat section of fresh air preheating device E2, middle pressure condensed water preheating section and high pressure condensed water preheating section subsequently, the wind-supplying mouth that pre-hot blast F2 is admitted to loosening heat setting machine is become after temperature improves step by step, pre-hot blast F2 enters the inlet scoop of blower fan Fy, and the wind that blower fan Fy blows out becomes hot blast F4 and enters drying chamber after heat exchanger E1 heats.
When Product Process needs to use high steam, open the first stop valve V1, the 4th stop valve V4, the 8th stop valve V8 and the 9th stop valve V9, close the second stop valve V2, the 3rd stop valve V3, the 5th stop valve V5, the 6th stop valve V6 and the 7th stop valve V7 simultaneously, now heat exchanger E1 uses the high steam of outer confession, the high pressure condensed water that heat exchanger E1 produces is dredged out through the 4th stop valve V4 and high pressure drain valve Vt1, the high pressure condensed water preheating section entering fresh air preheating device E2 through the first recycling condensing water pipe R1 carries out fourth stage preheating to new wind, at high pressure condensed water preheating section, high pressure condensed water becomes middle pressure condensed water to pressure drop after new wind release sensible heat, condensed water is pressed to be dredged out by the 4th drain valve Vt4 in this, then enter middle pressure condensed water preheating section through the 4th recycling condensing water pipe R4 and the 8th stop valve V8 and third level preheating is carried out to new wind, at middle pressure condensed water preheating section, middle pressure condensed water becomes low pressure condensed water to pressure drop after new wind release sensible heat, this low pressure condensed water is dredged out by the 5th drain valve Vt5, then enter low pressure condensation water preheat section through the 5th recycling condensing water pipe R5 and the 9th stop valve V9 and second level preheating is carried out to new wind, in low pressure condensation water preheat section, low pressure condensed water is to pressure drop after new wind release sensible heat, after dredging out from the 6th drain valve Vt6, condensation water recovery system is sent into by condensate pump P1, the first order preheating of new wind F1 is undertaken by air draft.
When Product Process needs to use middle pressure steam, open the second stop valve V2, the 5th stop valve V5, the 6th stop valve V6 and the 9th stop valve V9, close the first stop valve V1, the 3rd stop valve V3, the 4th stop valve V4, the 7th stop valve V7 and the 8th stop valve V8 simultaneously; Now heat exchanger E1 uses the middle pressure steam of outer confession, the middle pressure condensed water that heat exchanger E1 produces is dredged out through the 5th stop valve V5, the 6th stop valve V6 and middle pressure drain valve Vt2, entering in fresh air preheating device E2 through the second recycling condensing water pipe R2 presses condensed water preheating section to carry out third level preheating to new wind, at middle pressure condensed water preheating section, middle pressure condensed water becomes low pressure condensed water to pressure drop after new wind release sensible heat; This low pressure condensed water is dredged out by the 5th drain valve Vt5, then enter low pressure condensation water preheat section through the 5th recycling condensing water pipe R5 and the 9th stop valve V9 and second level preheating is carried out to new wind, in low pressure condensation water preheat section, low pressure condensed water is to pressure drop after new wind release sensible heat, after dredging out from the 6th drain valve Vt6, send into condensation water recovery system by condensate pump P1, the first order preheating of new wind is undertaken by air draft.
When Product Process needs to use low-pressure steam, open the 3rd stop valve V3, the 5th stop valve V5 and the 7th stop valve V7, close the first stop valve V1, the second stop valve V2, the 4th stop valve V4, the 6th stop valve V6, the 8th stop valve V8 and the 9th stop valve V9 simultaneously; Now heat exchanger E1 uses the low-pressure steam of outer confession, the low pressure condensed water that heat exchanger E1 produces is dredged out through the 5th stop valve V5, the 7th stop valve V7 and low pressure drain valve Vt3, the low pressure condensation water preheat section entering fresh air preheating device E2 through the 3rd recycling condensing water pipe R3 carries out second level preheating to new wind, in low pressure condensation water preheat section, low pressure condensed water is to pressure drop after new wind release sensible heat, after dredging out from the 6th drain valve Vt6, send into condensation water recovery system by condensate pump P1, the first order preheating of new wind is undertaken by air draft; Loosening heat setting machine self just can realize the cascade utilization of air draft and condensation water residual heat.
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. one kind without return air classification hydrophobic and water wind sensible heat cascade utilization 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 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, exhaust outlet is provided with below drying chamber, described exhaust outlet leads to outside casing by exhaust duct, it is characterized in that: also comprise fresh air preheating device, described fresh air preheating device comprises the air draft preheating section carrying out indirect heat exchange successively with new wind, low pressure condensation water preheat section, middle pressure condensed water preheating section and high pressure condensed water preheating section, new wind enters fresh air preheating device by the new wind entrance of air draft preheating section, go out from the pre-hot blast outlet flow of high pressure condensed water preheating section after flowing through air draft preheating section, low pressure condensation water preheat section, middle pressure condensed water preheating section and high pressure condensed water preheating section successively, the described wind-supplying mouth of described pre-hot-blast outlet access loosening heat setting machine, described exhaust duct accesses the air draft entrance of described air draft preheating section, total drain pipe of described heat exchanger is connected in parallel to the high pressure draining pipe that can switch, middle pressure drain pipe and low pressure drain pipe, described high pressure draining pipe, middle pressure drain pipe and low pressure drain pipe are separately installed with high pressure drain valve, middle pressure drain valve and low pressure drain valve, the outlet of described high pressure drain valve accesses the entrance of described high pressure condensed water preheating section by the first recycling condensing water pipe, the outlet of described middle pressure drain valve accesses the entrance of described middle pressure condensed water preheating section by the second recycling condensing water pipe, the outlet of described low pressure drain valve accesses the entrance of described low pressure condensation water preheat section by the 3rd recycling condensing water pipe.
2. according to claim 1 without return air classification hydrophobic and water wind sensible heat cascade utilization loosening heat setting machine, it is characterized in that: the outlet of described high pressure condensed water preheating section is provided with the 4th drain valve, the outlet of described 4th drain valve accesses the entrance of described middle pressure condensed water preheating section by the 4th recycling condensing water pipe; The outlet of described middle pressure condensed water preheating section is provided with the 5th drain valve, and the outlet of described 5th drain valve accesses the entrance of described low pressure condensation water preheat section by the 5th recycling condensing water pipe; The outlet of described low pressure condensation water preheat section is provided with the 6th drain valve, and the outlet of described 6th drain valve is by the 6th condensate pipe access condensate pump.
3. according to claim 2 without return air classification hydrophobic and water wind sensible heat cascade utilization loosening heat setting machine, it 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, and described main feed header is connected with the entrance of described heat exchanger; Described high pressure draining pipe is provided with the 4th stop valve, and the rear of described 4th stop valve is in series with described high pressure drain valve; Described middle pressure drain pipe is provided with the 6th stop valve, and the rear of described 6th stop valve is in series with described middle pressure drain valve; Between the entrance of described 4th stop valve and described 6th stop valve, cross-over connection has the 5th stop valve, and between described 6th stop valve and the entrance of described low pressure drain valve, cross-over connection has the 7th stop valve; Described 4th recycling condensing water pipe is provided with the 8th stop valve, described 5th recycling condensing water pipe is provided with the 9th stop valve.
4. according to any one of claim 1 to 3 without return air classification hydrophobic and water wind sensible heat cascade utilization loosening heat setting machine, 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 |
|---|---|---|---|
| CN201310025514.8A CN103088507B (en) | 2013-01-22 | 2013-01-22 | Non-return-air classification dewatering and water-wind sensible heat gradient utilization relaxation heat setting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025514.8A CN103088507B (en) | 2013-01-22 | 2013-01-22 | Non-return-air classification dewatering and water-wind sensible heat gradient utilization relaxation heat setting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103088507A CN103088507A (en) | 2013-05-08 |
| CN103088507B true CN103088507B (en) | 2015-01-14 |
Family
ID=48201610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310025514.8A Expired - Fee Related CN103088507B (en) | 2013-01-22 | 2013-01-22 | Non-return-air classification dewatering and water-wind sensible heat gradient utilization relaxation heat setting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103088507B (en) |
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 |
| CN203174267U (en) * | 2013-01-22 | 2013-09-04 | 亿恒节能科技江苏有限公司 | Return-air-free slack heat-setting machine capable of achieving graded drainage and gradient utilization of water and air sensible heat |
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 CN201310025514.8A patent/CN103088507B/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 |
| CN203174267U (en) * | 2013-01-22 | 2013-09-04 | 亿恒节能科技江苏有限公司 | Return-air-free slack heat-setting machine capable of achieving graded drainage and gradient utilization of water and air sensible heat |
Non-Patent Citations (1)
| Title |
|---|
| JP平3-502119A 1991.05.16 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103088507A (en) | 2013-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106839494A (en) | Heat pump double caloic coupling humidification dehumidification vapo(u)rization system and methods | |
| CN208222621U (en) | A kind of steam exhaust heat recovery utilization system based on steam jet heat pump | |
| CN103060989B (en) | Constant-humidity relaxation heat setting machine adopting grading heat exchange and water drain and achieving water-air sensible heat gradient utilization | |
| CN205223723U (en) | Condensation water recovery system | |
| CN103088509B (en) | Constant humidity type classification heat exchange dewatering and water sensible heat multistage utilization relaxation heat setting machine | |
| CN109626791A (en) | Sludge drying device and sludge drying method | |
| CN203080169U (en) | Condensate water classifying flash waste heat recovery slack heat forming machine | |
| CN103074719B (en) | Hydrophobic and the condensed water sensible heat cascade utilization loosening heat setting machine of classification | |
| CN206257687U (en) | A kind of combined steam flue gas MGGH systems | |
| CN103088507B (en) | Non-return-air classification dewatering and water-wind sensible heat gradient utilization relaxation heat setting machine | |
| CN203096409U (en) | Relaxation heat setting machine achieving gradient recycling of sensible heat of drained water, exhaust air and condensed water by stages | |
| CN203174267U (en) | Return-air-free slack heat-setting machine capable of achieving graded drainage and gradient utilization of water and air sensible heat | |
| CN203096410U (en) | Relaxation heat setting machine achieving gradient recycling of sensible heat of drained water and condensed water by stages | |
| CN103088506B (en) | Classification is hydrophobic, air draft and condensed water sensible heat cascade utilization loosening heat setting machine | |
| CN203096291U (en) | Hierarchical heat exchanging water draining and water-air sensible heat gradient utilization constant humidity type relaxation heat setting machine | |
| CN204165372U (en) | Combined steam decompression cycles multilevel drying system | |
| CN203080282U (en) | Grade heat exchange draining and water-wind sensible heat gradient utilization return-air-free loosening heat setting machine | |
| CN203128763U (en) | Return-air-free condensate-water grading flash and exhaust air waste heat recovery flabby heat-setting machine | |
| CN103088590B (en) | Non-air return, condensing water flash vaporization and sensitive heat and air exhaust waste heat recovery laxation thermoforming machine | |
| CN103074718B (en) | Relaxation heat setting machine with graded heat-exchange water drainage without air return and water-air sensible-heat gradient utilization | |
| CN103088508B (en) | Constant humidity type classification heat exchange dewatering and water-wind sensible heat multistage utilization 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 | |
| CN103088510B (en) | Non-return-air classification heat exchange dewatering and air exhaust waste heat utilization relaxation heat setting machine | |
| CN203096294U (en) | Hierarchical heat exchanging water draining and water sensible heat multistage utilization constant humidity type relaxation heat setting machine | |
| CN203128762U (en) | Loose heat-setting machine capable of achieving classified heat exchange, dewatering and condensate water sensible heat gradient utilization |
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 |