CN113532142A - Bleaching and dyeing industry cloth forming machine smoke temperature purification and latent heat and sensible heat recovery system thereof - Google Patents
Bleaching and dyeing industry cloth forming machine smoke temperature purification and latent heat and sensible heat recovery system thereof Download PDFInfo
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- CN113532142A CN113532142A CN202110491520.7A CN202110491520A CN113532142A CN 113532142 A CN113532142 A CN 113532142A CN 202110491520 A CN202110491520 A CN 202110491520A CN 113532142 A CN113532142 A CN 113532142A
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- 238000004061 bleaching Methods 0.000 title claims abstract description 21
- 238000004043 dyeing Methods 0.000 title claims abstract description 21
- 239000000779 smoke Substances 0.000 title claims abstract description 21
- 239000004744 fabric Substances 0.000 title claims abstract description 20
- 238000011084 recovery Methods 0.000 title claims description 4
- 238000000746 purification Methods 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 118
- 239000010865 sewage Substances 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 19
- 230000003020 moisturizing effect Effects 0.000 claims 4
- 239000007788 liquid Substances 0.000 description 18
- 238000005507 spraying Methods 0.000 description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 239000004519 grease Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010025 steaming Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 208000028659 discharge Diseases 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 244000144992 flock Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention provides a system for purifying the smoke temperature of a cloth setting machine in the bleaching and dyeing industry and recovering latent heat and sensible heat of the cloth setting machine, and belongs to the technical field of setting machines.
Description
Technical Field
The invention belongs to the technical field of cloth setting machines, and particularly relates to a smoke temperature purification and latent heat and sensible heat recovery system of a cloth setting machine in the bleaching and dyeing industry.
Background
At present, with the rapid development of social economy, more and more people begin to pay attention to dress and dress up, various clothes enter our lives, and the mass production of clothes also pays attention to the rapid development of the textile industry. Because the cloth has single color, is generally white, has limited application range and needs bleaching and dyeing. In the bleaching and dyeing apparatus, in order to improve the coloring effect, a bubbling device is generally provided in the dye vat to increase the coloring rate. The setting machine has the function of leading dye in color paste to be transferred to the inside of fiber through steaming to achieve the color fixing effect, and the effect of the setting machine directly influences the color and the vividness of printed fabric. The main technological parameters influencing the effect of the setting machine are temperature, humidity and steaming time which change with different fibers and dyes to a certain extent, and the looping of the fabric in the steaming technological process is the safe and reliable guarantee of the steaming time, quality and process.
The forming machine carries out work through heating device's heat supply, and wherein heating device among the prior art all heats the conduction oil through the mode heating boiler of coal, through the indirect heating air of the high temperature conduction oil in oil pipe, radiator or the coil, realizes rising temperature and carries out work, but the abandonment cigarette temperature that the forming machine produced does not handle, can cause the influence to the environment on every side, influences staff's health, causes unnecessary production expenditure.
Disclosure of Invention
The invention aims to provide a system for purifying the smoke temperature of a cloth setting machine in the bleaching and dyeing industry and recovering latent heat and sensible heat of the cloth setting machine, and aims to solve the problem that the setting machine in the prior art works by supplying heat through a heat supply device, wherein the heat supply device in the prior art heats heat transfer oil in a mode of heating a boiler by coal, and indirectly heats air through high-temperature heat transfer oil in an oil pipe, a radiator or a coil pipe to realize heating and work, but the waste smoke temperature generated by the setting machine is not treated, so that the influence on the surrounding environment is caused.
In order to achieve the purpose, the invention provides the following technical scheme:
the system comprises a tower, wherein the left end of the tower is provided with an air inlet, an air inlet pipe is fixedly connected at the notch of the air inlet, the left side of the air inlet pipe is provided with a setting machine, a plurality of spray heads are fixedly connected between the left inner wall and the right inner wall of the tower, the left inner wall and the right inner wall of the tower are respectively and fixedly connected with an A water tank and a B water tank, the spray heads are uniformly distributed at the upper sides of the A water tank and the B water tank, the upper parts of the left inner wall and the right inner wall of the tower are fixedly connected with a heat exchanger, the lower part of the left end of the tower is fixedly provided with a second water replenishing pipe, two spray pipes are fixedly connected between the spray heads, the other ends of the two spray pipes penetrate through the surface of the tower and are fixedly connected with a heat pump host, the upper side of the heat pump host is provided with an evaporator, the heat pump is provided with a condenser, and the lower end of the condenser is fixed with the plate heat exchanger through a first connecting pipe, the lower extreme fixedly connected with filter screen of tower, the rear end fixedly connected with two filters of filter screen, two the filter passes through second connecting pipe fixedly connected with plate heat exchanger, plate heat exchanger passes through fixed connection between third connecting pipe and the heat pump host computer.
As a preferable aspect of the present invention, a normally closed solenoid valve C is installed in the second water replenishing pipe, a first manual valve is fixedly installed in the filtering pipe, and a first water pump B and a first water pump a are respectively and fixedly installed in the first connecting pipe and the third connecting pipe.
As a preferable scheme of the invention, the lower inner wall of the tower is fixedly connected with a liquid level sensor, and a filter screen is fixedly connected between the front inner wall and the rear inner wall of the tower.
As a preferred scheme of the invention, a first water replenishing pipe is fixedly installed at the lower end of the tower, a high-temperature pipe is fixedly connected to the left end of the heat pump host, the high-temperature pipe and the first water replenishing pipe are connected, a floating cylinder is arranged at the other end of the high-temperature pipe, a normally closed electromagnetic valve B and a normally open electromagnetic valve a are fixedly installed in the first water replenishing pipe and the high-temperature pipe respectively, and a second manual valve is fixedly connected to the left part of the high-temperature pipe.
As a preferable scheme of the invention, a PLC controller is arranged on the left side of the tower and is in signal connection with the liquid level sensor, the water tank A and the water tank B.
As a preferable scheme of the invention, the upper end of the tower is fixedly connected with a fin tube surface cooler, and the fin tube surface cooler and the heat pump host are in signal connection with the PLC controller.
As a preferable scheme of the invention, the lower part of the circumferential surface of the tower is fixedly connected with a sewage pump through a sewage suction pipe.
In a preferred embodiment of the present invention, the dirt suction port of the dirt suction pipe is located above the filter screen.
Compared with the prior art, the invention has the beneficial effects that:
1. the system starts in this scheme, first water pump A, normally open battery valve A closes and normally closed solenoid valve B opens simultaneously, when spray column below liquid level reaches the setting value (adjustable), normally closed solenoid valve B closes, first water pump A stops the machine, first water pump B starts, begin to spray in the tower, when the temperature reaches setting value (adjustable), first water pump A starts, the heat pump host computer starts after 10 seconds of time delay, the fin pipe surface cooler starts, 100 ℃ of flue gas in the forming machine gets into in the tower after, at first through the water curtain spray come separation 90% grease and short wadding, the temperature after spraying is 40-50 ℃ and forms oil/moisture interface at the bottom of the tower, the dredge pump is regularly started and is discharged short wadding and grease. After passing through a filter, the cleaner water body at 50 ℃ is subjected to heat exchange with heat exchange water of a heat exchanger at 30 ℃ in a plate heat exchanger, then the temperature is reduced to 38 ℃, the water body enters an evaporator, is subjected to heat exchange with a refrigerant and then is reduced to 30-35 ℃ and enters the tower again for spraying and heat absorption. The normal temperature water with the temperature of 20 ℃ is subjected to heat exchange with the sprayed residual temperature gas in a tower top heat exchanger, the temperature is raised to 5 ℃, and meanwhile, the flue gas is further purified. After absorbing the sensible heat of the spray water in the evaporator, the heat pump host machine is manufactured into high-temperature wages through the compressor to heat the medium-temperature water at 38 ℃ exchanged by the plate heat exchanger to medium-temperature water at 50-60 ℃ for use in the floating cylinder.
2. In the scheme, every 48-hour noon is 12: and (3) once operation is performed at 00 (the sewage disposal time can be freely set according to the actual operation condition), the sewage disposal pump is started, the normally closed electromagnetic valve C is closed after being opened to introduce compressed air for 15 seconds, when the liquid level in the tower is reduced to a set value, the normally closed electromagnetic valve B is opened to supply water, and the sewage disposal pump is stopped after being started for 30 seconds.
3. When the temperature is lower than a set value (adjustable), the heat pump main machine and the first water pump A are stopped/the finned tube surface cooler is stopped. And on the contrary, when the water temperature is higher than the set value, the finned tube surface cooler and the main machine are started after the water pump A is started for 5 seconds. To avoid frequent start-stops, the temperature set point should be considered to have a wide range, such as 45 ℃ + -2 ℃ - -35 ℃ + -2 ℃.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a block diagram of a column according to the invention;
FIG. 3 is a plan view of a tower of the present invention;
fig. 4 is a flow chart of the system of the present invention.
In the figure: 1. a heat pump host; 2. a first water pump A; 3. a first water pump B; 4. a first manual valve; 5. a normally closed solenoid valve C; 6. a finned tube surface cooler; 7. a liquid level sensor; 8. a first water replenishing pipe; 9. a sewage pump; 10. a second manual valve; 11. a normally open solenoid valve A; 12. a normally closed solenoid valve B; 13. an evaporator; 19. an air inlet pipe; 21. a floating cylinder; 23. a heat exchanger; 24. An air inlet; 25. a second water replenishing pipe; 26. setting machine; 27. b, a water tank; 28. a, a water tank; 31. a filter; 32. a plate heat exchanger; 34. and (4) a tower.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions:
a system for purifying the smoke temperature and recovering the latent heat and sensible heat of a cloth setting machine in the bleaching and dyeing industry,
comprises a tower 34, an air inlet 24 is arranged at the left end of the tower 34, an air inlet pipe 19 is fixedly connected at the notch of the air inlet 24, a setting machine 26 is arranged at the left side of the air inlet pipe 19, a plurality of spray heads are fixedly connected between the left inner wall and the right inner wall of the tower 34, the left inner wall and the right inner wall of the tower 34 are respectively fixedly connected with an A water tank 28 and a B water tank 27, the plurality of spray heads are uniformly distributed at the upper sides of the A water tank 28 and the B water tank 27, a heat exchanger 23 is fixedly connected at the upper part of the left inner wall and the right inner wall of the tower 34, a second water replenishing pipe 25 is fixedly arranged at the lower part of the left end of the tower 34, two water spray pipes are fixedly connected between the plurality of spray heads, the other ends of the two water spray pipes penetrate through the surface of the tower 34 and are fixedly connected with a heat pump host 1, an evaporator 13 is arranged at the upper side of the heat pump host 1, a heat pump condenser is provided with the lower end of the condenser and fixed with a plate type heat exchanger 32 through a first connecting pipe, a filter screen is fixedly connected at the lower end of the tower 34, the rear end fixedly connected with two filters 31 of filter screen, two filters 31 are through second connecting pipe fixedly connected with plate heat exchanger 32, and plate heat exchanger 32 is through fixed connection between third connecting pipe and heat pump host computer 1.
In the embodiment of the present invention, all the pipes are galvanized or otherwise treated to prevent corrosion and rust, so as to prolong the service life of the device, and the filter 31 can filter the used water, so that the water can be reused, and the water is recycled at 12 noon every 48 hours: the operation can be adjusted once at the time of 00 hours, the sewage pump 9 is automatically started to enter a sewage discharging program, the liquid level in the tower 34 goes low at the moment, the liquid level sensor 7 detects that the liquid level is lower than a set value, then the normally open electromagnetic valve A11 is closed, the normally closed electromagnetic valve B12 is opened, the water source purified water after heat exchange enters the tower 34 to complete liquid level water supplement, the normally open electromagnetic valve A11 and the normally closed electromagnetic valve B12 are reset after the water supplement reaches the liquid level, hot water is continuously conveyed to the bleaching and dyeing tank for use, after 100 ℃ flue gas in the setting machine 26 enters the tower 34, the first water pump B3 is started, spraying in the tower 34 is started, when the temperature reaches the set value and can be adjusted, the first water pump A2 is started, after 10 seconds of delay, the heat pump main machine 1 is started, the fin tube surface cooler 6 is firstly separated from 90% of grease and short-time by water curtain spraying, the water temperature after spraying is 40-50 ℃, and an oil/water interface is formed at the bottom of the tower 34, the sewage pump 9 is started at regular time to discharge the short flocs and the grease. The cleaner 50 ℃ water body passes through the filter 31 and then exchanges heat with the heat exchanger 23 with the temperature of 30 ℃ in the plate heat exchanger 32, then the temperature is reduced to 38 ℃ and enters the evaporator 13, after exchanging heat with the refrigerant, the temperature is reduced to 30-35 ℃ and then enters the tower 34 again for spraying and absorbing heat, the 20 ℃ water source enters the finned tube surface cooler 6, exchanges heat with the cleaner 50 ℃ flue gas after spraying to form 40 ℃ warm water which enters the plate heat exchanger 32, meanwhile, the 50 ℃ flue gas is condensed into water by the finned tube surface cooler 6 and enters the tower 34, the rest clean air is discharged into the atmosphere, the warm water enters the heat pump condenser after passing through the plate heat exchanger 32, exchanges heat with the high-temperature and high-pressure medium discharged by the compressor of the heat pump main machine 1 to form 60 ℃ warm water which is often opened by the electromagnetic valve A11 and the second manual valve 10 and then is conveyed to the bleaching and dyeing tank for use, on the other hand, the water body sprayed in the tower 34 absorbs the temperature of the smoke and suppresses the flock to be 40 ℃ collected at the bottom of the tower 34, the device is called as 'recycled water', the recycled water passes through a 100-mesh filter screen, then enters a second filter 31 through a drop, enters a plate heat exchanger 32 and then is pumped into a heat pump evaporator 13 through a first water pump B3, the medium subjected to heat exchange with the medium throttled by a heat pump expansion valve is cooled to 35 ℃ and is continuously pumped into a tower 34 to be sprayed and absorb waste heat of the smoke temperature again, and the waste heat is continuously recycled, so that the device can treat the smoke temperature generated by bleaching and dyeing, recycle waste heat and filtered water, reduce the use cost and prevent resource waste, and prevent the influence of the smoke temperature on the surrounding environment, prevent the influence of the long-term suction of plant staff on the body, and the inside needs to explain that: the heat pump host 1, the first water pump a2, the sewage pump 9, the PLC controller and the like of which types are specifically used are selected by the relevant technical personnel familiar with the field, and the heat pump host 1, the first water pump a2, the sewage pump 9, the PLC controller and the like all belong to the prior art, and the details are not repeated in the scheme.
Specifically, referring to fig. 1, a normally closed solenoid valve C5 is installed in the second water replenishing pipe 25, a first manual valve 4 is fixedly installed in the filter pipe, and a first water pump B3 and a first water pump a2 are respectively and fixedly installed in the first connecting pipe and the third connecting pipe.
In this embodiment: the normally closed electromagnetic valve C5, the first manual valve 4, the first water pump B3 and the first water pump A2 enable the device to be higher in controllability and convenient to use.
Specifically referring to fig. 1, a liquid level sensor 7 is fixedly connected to the lower inner wall of the tower 34, and a filter screen is fixedly connected between the front and rear inner walls of the tower 34.
In this embodiment: the liquid level sensor 7 can measure the water volume in the A water tank 28 and the B water tank 27, can timely monitor and timely replenish water in the A water tank 28 and the B water tank 27, and the filter screen can filter impurities, so that the impurities are prevented from entering the next procedure through a pipeline and causing damage to other parts.
Referring to fig. 1 specifically, a first water replenishing pipe 8 is fixedly installed at the lower end of a tower 34, a high-temperature pipe is fixedly connected to the left end of a heat pump host 1, the high-temperature pipe is connected with the first water replenishing pipe 8, a floating cylinder 21 is arranged at the other end of the high-temperature pipe, a normally closed electromagnetic valve B12 and a normally open electromagnetic valve a11 are fixedly installed in the first water replenishing pipe 8 and the high-temperature pipe respectively, and a second manual valve 10 is fixedly connected to the left portion of the high-temperature pipe.
In this embodiment: the first replenishing water pipe 8 and the high temperature pipe are connected to the float bath 21 so that water can be circulated.
Specifically referring to fig. 1, a PLC controller is disposed on the left side of the tower 34, and the PLC controller is in signal connection with the liquid level sensor 7, the a water tank 28 and the B water tank 27.
In this embodiment: the PLC controller makes the device better controlled and more convenient and intelligent to use.
Specifically referring to fig. 3, the upper end of the tower 34 is fixedly connected with a fin surface cooler 6, and the fin surface cooler 6 and the heat pump host 1 are in signal connection with the PLC controller.
In this embodiment: the PLC controls the finned surface cooler 6 and the heat pump host 1 to be started at intervals of ten seconds, and when the temperature is lower than a set value and is adjustable, the heat pump host 1 and the first water pump A2 are stopped/the finned surface cooler 6 is stopped. On the contrary, when the temperature is higher than the set value, the first water pump a2 is started for 5 seconds, the finned-tube surface cooler 6 and the heat pump main unit 1 are started, the device enters a sewage discharge stage, and in order to avoid frequent start and stop, the temperature set value needs to be considered to have a wide range, such as 45 ℃ +/-2 ℃ < - > - - - - - - - -35 ℃ +/-2 ℃.
Specifically referring to fig. 4, the lower portion of the circumferential surface of the tower 34 is fixedly connected to a sewage pump 9 through a sewage suction pipe.
In this embodiment: when the content of the impurity, short floc and grease in the water body reaches a certain value, the automatic opening time is controlled to enter a pollution discharge program, the liquid level in the tower 34 is lowered, the liquid level sensor 7 detects that the liquid level is lower than a set value, then the normally open electromagnetic valve A11 is closed, the normally closed electromagnetic valve B12 is opened, and the water source purified water after heat exchange enters the tower 34 again to complete liquid level water supplement. After the water is supplemented to the liquid level, the normally open electromagnetic valve A11 and the normally closed electromagnetic valve B12 are reset, and the hot water is continuously conveyed to the bleaching and dyeing vat for use.
Specifically, referring to fig. 1, the dirt suction port of the dirt suction pipe is located on the upper side of the filter screen.
In this embodiment: the dirt on the filter screen is cleared up by the dredge pump 9, so that the filter screen is prevented from being blocked, the next step of process is influenced, and the service life of the device is prolonged.
The working principle and the using process of the invention are as follows: after 100 ℃ flue gas in the forming machine 26 enters the tower 34, the first water pump B3 is started, spraying is started in the tower 34, when the temperature reaches a set value and is adjustable, the first water pump A2 is started, the heat pump main machine 1 is started after 10 seconds of delay, the finned tube surface air cooler 6 is started, 90% of grease and short wadding are separated by water curtain spraying, the temperature of the sprayed water is 40-50 ℃, an oil/water interface is formed at the bottom of the tower 34, and the sewage pump 9 is started at regular time to discharge the short wadding and the grease. The cleaner 50 ℃ water body passes through the filter 31 and then exchanges heat with the heat exchanger 23 with the temperature of 30 ℃ in the plate heat exchanger 32, then the temperature is reduced to 38 ℃ and enters the evaporator 13, after exchanging heat with the refrigerant, the temperature is reduced to 30-35 ℃ and then enters the tower 34 again for spraying and absorbing heat, the 20 ℃ water source enters the finned tube surface cooler 6, exchanges heat with the cleaner 50 ℃ flue gas after spraying to form 40 ℃ warm water which enters the plate heat exchanger 32, meanwhile, the 50 ℃ flue gas is condensed into water by the finned tube surface cooler 6 and enters the tower 34, the rest clean air is discharged into the atmosphere, the warm water enters the heat pump condenser after passing through the plate heat exchanger 32, exchanges heat with the high-temperature and high-pressure medium discharged by the compressor of the heat pump main machine 1 to form 60 ℃ warm water which is often opened by the electromagnetic valve A11 and the second manual valve 10 and then is conveyed to the bleaching and dyeing tank for use, on the other hand, the water body sprayed in the tower 34 absorbs the temperature of the smoke and suppresses the flock to be 40 ℃ collected at the bottom of the tower 34, the recycled water enters the second filter 31 through a 100-mesh filter screen and then through a drop, enters the plate heat exchanger 32 and then is pumped into the heat pump evaporator 13 through the first water pump B3, and is subjected to heat exchange with a medium throttled by the heat pump expansion valve to reduce the temperature to 35 ℃ and then is continuously pumped into the tower 34 to be sprayed and absorb the waste heat of the smoke temperature again, so that the recycling is repeated continuously.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Bleaching and dyeing trade cloth forming machine smoke temperature purifies and latent heat and sensible heat recovery system, its characterized in that: comprises a tower (34), an air inlet (24) is arranged at the left end of the tower (34), an air inlet pipe (19) is fixedly connected to the notch of the air inlet (24), a setting machine (26) is arranged on the left side of the air inlet pipe (19), a plurality of spray heads are fixedly connected between the left inner wall and the right inner wall of the tower (34), the left inner wall and the right inner wall of the tower (34) are respectively and fixedly connected with an A water tank (28) and a B water tank (27), the spray heads are uniformly distributed on the upper sides of the A water tank (28) and the B water tank (27), a heat exchanger (23) is fixedly connected to the upper parts of the left inner wall and the right inner wall of the tower (34), a second water replenishing pipe (25) is fixedly mounted on the lower part of the left end of the tower (34), two water spray pipes are fixedly connected between the spray heads, the other ends of the two water spray pipes penetrate through the surface of the tower (34) and are fixedly connected with a heat pump host (1), the upside of heat pump host computer (1) is provided with evaporimeter (13), the heat pump is furnished with the condenser, it is fixed through first connecting pipe between the lower extreme of condenser and plate heat exchanger (32), the lower extreme fixedly connected with filter screen of tower (34), two filters (31) of the rear end fixedly connected with of filter screen, two filter (31) are through second connecting pipe fixedly connected with plate heat exchanger (32), plate heat exchanger (32) are through fixed connection between third connecting pipe and heat pump host computer (1).
2. The system for purifying the smoke temperature and recovering the latent heat and sensible heat of the cloth setting machine in the bleaching and dyeing industry according to claim 1, is characterized in that: install normally closed solenoid valve C (5) in second moisturizing pipe (25), filter tube internal fixed mounting has first manual valve (4), in first connecting pipe and the third connecting pipe respectively fixed mounting have first water pump B (3) and first water pump A (2).
3. The system for purifying the smoke temperature and recovering the latent heat and sensible heat of the cloth setting machine in the bleaching and dyeing industry according to claim 2, is characterized in that: the lower inner wall of tower (34) fixedly connected with level sensor (7), fixedly connected with filter screen between the front and back inner wall of tower (34).
4. The system for purifying the smoke temperature and recovering the latent heat and sensible heat of the cloth setting machine in the bleaching and dyeing industry according to claim 3, is characterized in that: the lower extreme fixed mounting of tower (34) has first moisturizing pipe (8), the left end fixedly connected with high temperature tube of heat pump host (1), connect between high temperature tube and first moisturizing pipe (8), the other end of high temperature tube is provided with floats jar (21), there are normally closed solenoid valve B (12) and normally open solenoid valve A (11) in first moisturizing pipe (8) and the high temperature tube respectively fixed mounting, manual valve (10) of left part fixedly connected with second of high temperature tube.
5. The system for purifying the smoke temperature and recovering the latent heat and the sensible heat of the system for cloth setting machine in the bleaching and dyeing industry according to claim 4, is characterized in that: the left side of tower (34) is provided with the PLC controller, signal connection between PLC controller and level sensor (7), A water tank (28) and B water tank (27).
6. The system for purifying the smoke temperature and recovering the latent heat and sensible heat of the cloth setting machine in the bleaching and dyeing industry according to claim 5, is characterized in that: the upper end of the tower (34) is fixedly connected with a finned tube surface cooler (6), and the finned tube surface cooler (6) and the heat pump host (1) are in signal connection with a PLC controller.
7. The system for purifying the smoke temperature and recovering the latent heat and the sensible heat of the cloth setting machine in the bleaching and dyeing industry according to claim 6, is characterized in that: the lower part of the circumferential surface of the tower (34) is fixedly connected with a sewage pump (9) through a sewage suction pipe.
8. The system for purifying the smoke temperature and recovering the latent heat and the sensible heat of the cloth setting machine in the bleaching and dyeing industry according to claim 7 is characterized in that: and a sewage suction port of the sewage suction pipe is positioned on the upper side of the filter screen.
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| CN202110491520.7A CN113532142A (en) | 2021-05-06 | 2021-05-06 | Bleaching and dyeing industry cloth forming machine smoke temperature purification and latent heat and sensible heat recovery system thereof |
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| CN202110491520.7A CN113532142A (en) | 2021-05-06 | 2021-05-06 | Bleaching and dyeing industry cloth forming machine smoke temperature purification and latent heat and sensible heat recovery system thereof |
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| CN113532142A true CN113532142A (en) | 2021-10-22 |
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| CN202110491520.7A Pending CN113532142A (en) | 2021-05-06 | 2021-05-06 | Bleaching and dyeing industry cloth forming machine smoke temperature purification and latent heat and sensible heat recovery system thereof |
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