CN103290633A - Solar dyeing machine system with function of gradient use of heat - Google Patents
Solar dyeing machine system with function of gradient use of heat Download PDFInfo
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Abstract
The invention discloses a solar dyeing machine system with a function of gradient use of heat. At present, waste water discharged in the production processes of desizing, scouring, dyeing and the like is at the temperature of more than 80 DEG C, direct discharging of the waste water causes energy waste, discharging the waste water into a waste water treatment tank makes all waste water to be at the temperature of more than 46 DEG C, and aerobic biochemical treatment is severely influenced. The solar dyeing machine system comprises a solar heating system, a waste heat recovery system, a high-temperature heat supply and compensation system, a dyeing machine system and a cooling system. The solar heating system form two-loop circulation, one loop is a water circulation loop formed by a plurality of serially connected solar vacuum tubes for heating water, a cold water pipeline and a hot water pipeline, and the other loop is an oil circulation loop formed by a plurality of serially connected solar vacuum tubes and an oil pipeline. The solar dyeing machine system has the advantages that temperature segmented recovery of heat is realized, the problem of surplus low-temperature heat in the existing waste heat recovery device is solved, and the solar dyeing machine system is applicable to various fiber dyeing processes and is more than 50% in comprehensive energy saving.
Description
Technical field
The present invention relates to solar energy and residual heat integrative utilizes the field, specifically a kind of solar energy dyeing machine system of cascade utilization heat energy.
Background technology
Dyeing is an energy consumption rich and influential family, and electricity, coal, oil, vapour equal energy source consume height in the dyeing process, account for more than 30% of processing cost, and 0.86 ton of standard coal of ten thousand yuan of output value comprehensive energy consumption average out tos exceeds more than one times than the average 0.42 ton of standard coal of other industry.Energy-saving and emission-reduction have become the management objectives of governments at all levels and industry.Assessment to resource consumption in " the dyeing entry criteria " of revised edition in 2010 requires: newly-built or reorganization and expansion printing and dyeing project, and cotton, fiber crops, chemical fibre and mixed machine fabric comprehensive energy consumption are brought up to per hundred meters≤35 kilograms standard coals by original " dyeing entry criteria (2008 editions) " per hundred meters≤38 kilograms standard coals; Existing printing and dyeing enterprise cotton, fiber crops, chemical fibre and mixed machine fabric comprehensive energy consumption are brought up to per hundred meters≤42 kilograms standard coals by per hundred meters≤54 kilograms standard coals.
Show according to dyeing association statistics in 2010, the big factory of a dyeing and finishing year comprehensive energy consumption can reach 50,000 tons with the subscript coal, a large amount of hot waste gas, direct discharging of waste water have caused energy waste, compare with the external same industry, the dyeing and printing products energy resource consumption of China is higher 3 times than developed country (U.S., Japan etc.).For example, in production processes such as destarch, kiering, dyeing, institute's effluent temperature reaches more than 80 ℃, and directly discharging not only wastes energy, and enters purification tank for liquid waste, and the temperature of all waste water is reached more than 46 ℃, has a strong impact on aerobic biochemical and handles; The heat energy of these losses if can reasonably recycle, can reduce the specific energy consumption of dyeing and printing products greatly.On the other hand, China's solar energy resources is extremely abundant, and can unrestrictedly gratuitously utilize, and solar water heating system is economical and practical, energy-efficient, safety, health, pollution-free, wide popularization and application has been in daily life, but also is in the starting stage in industrial application.
Summary of the invention
Technical problem to be solved by this invention provides a kind of solar energy dyeing machine system of cascade utilization heat energy, it takes full advantage of the free resource of solar energy, according to heat balance principle, adopt the sectional type energy recovery, realize recovery and the utilization of different temperatures heat energy, be unlikely to cause the low temperature heat energy surplus, reclaim the heat energy that is fit to the dyeing and printing process characteristics to greatest extent, reach purpose of energy saving.
For this reason, the present invention adopts following technical scheme: a kind of solar energy dyeing machine system of cascade utilization heat energy comprises solar energy heat distribution system, residual neat recovering system, high-temperature heat supply bucking-out system, dyeing machine system and cooling system;
Described solar energy heat distribution system forms the two-way circulation, one the tunnel is the water circulation of being made up of the solar energy vacuum tube, cold water pipes and the hot water pipeline that are used for the water heating of some series connection, and another road is circulating for the solar energy vacuum tube of heat-conducting oil heating and the oil that oil-piping is formed by some series connection;
Described dyeing machine system comprises that a batch (-type) dye vat and is used for the switch board of control batch (-type) dye vat work; Described high-temperature heat supply bucking-out system comprises and can carry out the jet chimney of thermal compensation and the electric heating tube that can carry out thermal compensation to conduction oil to the water in the batch (-type) dye vat; On the batch (-type) dye vat temperature-sensing element is housed, described batch (-type) dye vat has chuck, and conduction oil and described electric heating tube are housed in this chuck, and electric heating tube places conduction oil, electric heating tube is controlled by switch board, and temperature-sensing element is used for the temperature that records is passed to switch board;
Described residual neat recovering system comprises a thermal wastewater temporary storage box that can be communicated with the batch (-type) dye vat by pipeline, one heat exchanger and a warm water temporary storage box, the thermal wastewater temporary storage box is by pipeline and described heat exchanger in series, this heat exchanger also is connected with the warm water temporary storage box with cold water pipes respectively, thermal wastewater after the batch (-type) dye vat uses enters the thermal wastewater temporary storage box, the cold water that the thermal wastewater that the thermal wastewater temporary storage box comes out and cold water pipes come out carries out heat exchange by heat exchanger, described warm water temporary storage box forms two not connected storage chambers, be low-temperature storage chamber and middle temperature storage chamber, the warm water that obtains after the heat exchange enters corresponding storage chamber according to water temperature;
Described cooling system comprises a thermal conductance deep fat temporary storage box and one and but device of thermal conductance deep fat temporary storage box series-wound oil cooling, and described chuck inserts in the described oil circulation, makes conduction oil in the chuck by the solar energy vacuum tube heating that circulates; Chuck is also connected with thermal conductance deep fat temporary storage box and oil cooler, oil cooler is connected with the warm water temporary storage box with cold water pipes respectively, the delivery port of this warm water temporary storage box is connected with a warm water pipeline, the cold water that conduction oil and cold water pipes come out carries out heat exchange by oil cooler, conduction oil is back in the chuck after cooling, and the warm water that obtains after the heat exchange enters corresponding storage chamber according to water temperature;
The hot water inlet of described batch (-type) dye vat is connected with a thermostat by pipeline, and this thermostat also is connected with the warm water pipeline with hot water pipeline respectively.
The present invention had both taken full advantage of solar energy, again fully reuse waste heat, heat energy is recycled to greatest extent, realize the cascade utilization of heat energy, reached the purpose of energy-saving and emission-reduction.
Further, have waste outlet on the described heat exchanger, the waste water of no value is discharged through waste outlet.
Further, in the described thermal wastewater temporary storage box filter is housed, makes the thermal wastewater substantially free of impurities that enters in the heat exchanger, guarantee heat exchanger effectiveness.
Further, described low-temperature storage chamber is used for storing 30-50 ℃ warm water, and middle temperature storage chamber is used for storing 50-100 ℃ warm water.
Further, when the batch (-type) dye vat is in the beginning when dying state, feed the warm water in the low-temperature storage chamber in the warm water pipeline, when the batch (-type) dye vat is in dyeing insulation and washing state, the warm water in feeding in the warm water pipeline in the warm storage chamber; When being lower than batch (-type) dye vat design temperature as the water temperature after thermostat is regulated, adopt jet chimney or/and electric heating tube adds thermal compensation.
Compared with prior art, the beneficial effect that the present invention has is: 1. the temperature section formula that realizes heat energy reclaims, and has solved the problem of existing waste-heat recovery device low temperature heat energy surplus.2. each heat supply system of native system can be used separately, even at the cloudy day, can reclaim by thermal wastewater waste heat and cooling, still can save a large amount of heat energy.3. native system can be applied to multiple stock-dye technology, can be according to the dyeing requirement, and intelligence is regulated optimum power save mode, and synthesis energy saving is more than 50%.4. owing to the characteristic that readily conducts heat of conduction oil, the conduction oil cooling velocity is fast, can shorten cool time, improves dyeing efficient.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is existing cotton stocking yarn reactive dyeing technology.
Fig. 3 is existing woollen sweater ready-made clothes acid dyeing technology.
Fig. 4 is the artwork of existing pigment dyeing.
Among the figure, 1, the solar energy vacuum tube that is used for the water heating, 2, hot water pipeline, 3, thermostat, 4, through cooled conduction oil entrance, 5, the warm water pipeline, 6, cold water pipes, 7, the warm water temporary storage box, 8, the solar energy vacuum tube that is used for heat-conducting oil heating, 9, oil cooler, 10, thermal conductance deep fat temporary storage box, 11, waste outlet, 12, heat exchanger, 13, the cold water water inlet, 14, the thermal conductance hot oil outlet, 15, the thermal wastewater outlet, 16, the thermal wastewater import, 17, the thermal wastewater temporary storage box, 18, the thermal conductance hot oil outlet, 19, thermal conductance deep fat entrance, 20, the hot water inlet, 21, the thermal wastewater entrance, 22, the warm water water inlet, 23, the clearance-type dye vat, the 24-chuck.
The specific embodiment
The present invention is further elaborated below in conjunction with specification drawings and specific embodiments.
Embodiment
Solar energy dyeing machine system as shown in Figure 1, it is made up of solar energy heat distribution system, residual neat recovering system, high-temperature heat supply bucking-out system, dyeing machine system and cooling system.
Described solar energy heat distribution system forms the two-way circulation, one the tunnel is the water circulation of being made up of the solar energy vacuum tube 1, cold water pipes 6 and the hot water pipeline 2 that are used for the water heating of some series connection, and another road is circulating for the solar energy vacuum tube 8 of heat-conducting oil heating and the oil that oil-piping is formed by some series connection.Described dyeing machine system is made up of batch (-type) dye vat 23 and the switch board that is used for the work of control batch (-type) dye vat.Described high-temperature heat supply bucking-out system is by carrying out the jet chimney of thermal compensation and can form the electric heating tube that conduction oil carries out thermal compensation the water in the batch (-type) dye vat.
On the batch (-type) dye vat 23 temperature-sensing element is housed, described batch (-type) dye vat has chuck 24, and conduction oil and described electric heating tube are housed in this chuck, and electric heating tube places conduction oil, electric heating tube is controlled by switch board, and temperature-sensing element is used for the temperature that records is passed to switch board.The hot water inlet 20 of batch (-type) dye vat is connected with thermostat 3 by pipeline, and this thermostat also is connected with warm water pipeline 5 with hot water pipeline 2 respectively.
Described residual neat recovering system is made up of the thermal wastewater temporary storage box 17 that can be communicated with the batch (-type) dye vat by pipeline, heat exchanger 12 and warm water temporary storage box 7, in the described thermal wastewater temporary storage box filter is housed.Thermal wastewater temporary storage box 17 is connected with described heat exchanger 12 by pipeline, this heat exchanger 12 also is connected with warm water temporary storage box 7 with cold water pipes 6 respectively, thermal wastewater after the batch (-type) dye vat uses enters the thermal wastewater temporary storage box, the cold water that the thermal wastewater that the thermal wastewater temporary storage box comes out and cold water pipes come out carries out heat exchange by heat exchanger, has waste outlet 11 on the described heat exchanger 12.Described warm water temporary storage box 7 forms two not connected storage chambers, is low-temperature storage chamber and middle temperature storage chamber, and the warm water that obtains after the heat exchange enters corresponding storage chamber according to water temperature.The low-temperature storage chamber is used for storing 30-50 ℃ warm water, and middle temperature storage chamber is used for storing 50-100 ℃ warm water.
Described cooling system by thermal conductance deep fat temporary storage box 10 and with thermal conductance deep fat temporary storage box series-wound oil cooling but device 9 form, described chuck 24 inserts in the described oil circulation, makes conduction oil in the chuck by the solar energy vacuum tube heating that circulates; Chuck 24 is also connected with thermal conductance deep fat temporary storage box 10 and oil cooler 11, oil cooler 11 is connected with warm water temporary storage box 7 with cold water pipes 6 respectively, the delivery port of this warm water temporary storage box 7 is connected with warm water pipeline 5, the cold water that conduction oil and cold water pipes come out carries out heat exchange by oil cooler, conduction oil is back in the chuck after cooling, and the warm water that obtains after the heat exchange enters corresponding storage chamber according to water temperature.
When the batch (-type) dye vat is in the beginning when dying state, feed the warm water in the low-temperature storage chamber in the warm water pipeline, when the batch (-type) dye vat is in dyeing insulation and washing state, the warm water in feeding in the warm water pipeline in the warm storage chamber; When being lower than batch (-type) dye vat design temperature as the water temperature after thermostat is regulated, adopt jet chimney or/and electric heating tube adds thermal compensation.
General work flow process of the present invention is (be example with the cotton stocking yarn reactive dyeing technology of Fig. 2):
One, the storage temperature of warm water temporary storage box is set, and the low-temperature storage chamber is arranged for and stores 50 ℃ warm water, and middle temperature storage chamber is arranged for and stores 70 ℃ warm water.Regulating 40 ℃ of left and right sides hot water that obtain through thermostat 3 enters in the batch (-type) dye vat from hot water inlet 20,50 degrees centigrade of deep fats on last stage enter insulated oil tank from thermal conductance deep fat temporary storage box 10 through cooled conduction oil entrance 4, and this temperature stage insulation is guaranteed by the steam heater in electric auxiliary heating device in the chuck and the batch (-type) dye vat.
Two, high temperature supplemental stages is warming up to 98 degrees centigrade of stages.The higher circulating heat conduction oil of temperature enters chuck from solar energy vacuum tube 8 through thermal conductance deep fat entrance 19, the conduction oil that temperature is lower enters solar energy vacuum tube 8 through the thermal conductance hot oil outlet, conduction oil in chuck and the solar energy vacuum tube is in recurrent state (if install owing to reason temperature such as various weather do not reach 98 ℃ this moment, then close circulation, use electric auxiliary heating device and the interior steam heater of batch (-type) dye vat in the chuck to heat synchronously), when temperature reaches 98 degrees centigrade, device insulation (insulation can be selected to close recurrent state and be used electric auxiliary heating device and steam heater insulation or circulating heat conduction oil circulation insulation, decides on the circulating heat conduction oil temperature).
Three, the waste heat recovery stage, 85 ℃ of stages of cooling degree.
Oil circuit: the interior circulating heat conduction oil of chuck this moment enters in the thermal conductance deep fat temporary storage box 10 through thermal conductance hot oil outlet 14, and then the circulating heat conduction oil in the thermal conductance deep fat temporary storage box enters oil cooler 9 and the cold water that enters oil cooler 9 from cold water pipes 6 through the row heat exchange, the circulating heat conduction oil that after the exchange is 85 ℃ enters in the chuck from conduction oil entrance 4, and the warm water that the process heat exchange obtains enters the middle temperature storage chamber of warm water temporary storage box through warm water water inlet 22.
The water route: with reference to the operation principle of thermal wastewater temporary storage box 17, after the step heat exchange, the waste water of no value is through waste outlet 11 dischargings.
Four, secondary waste heat recovery stage is to 50 ℃ of stages.
Oil circuit is referring to three stage oil circuits,
50 ℃ of circulating heat conductions oil whereabouts after this stage finishes in the chuck are looked subsequent handling time length and are determined, if there are not other operations in the follow-up batch (-type) dye vat, beginning operation for the second time, then 50 ℃ of circulating heat conduction oil need not to introduce in the thermal conductance deep fat temporary storage box in the chuck, can directly utilize, if in the follow-up batch (-type) dye vat other operation operations are arranged, then 50 degrees centigrade of circulating heat conduction oil are introduced into thermal conductance deep fat temporary storage box to storing.
The water route is referring to three stage water routes
This moment, a workflow finished.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Application examples 1: be applied to cotton stocking yarn reactive dyeing.
Process and process conditions are seen Fig. 2, and the cascade utilization scheme is (the low-temperature storage chamber arranges 50 ℃ of temperature, and middle temperature storage chamber arranges 70 ℃ of temperature), operation principle such as general work flow process of the present invention.
This example is example according to normal dyeing engine dyeing look (with 1 ton of processing capacity, bath raio 1:20, water temperature is 15 ℃ from the beginning), if all by steam heating need 90 ℃ of water 20t(to contain 60 ℃ of water 20t), 95 ℃ of water 20t(contain 70 ℃ of water 20t), 50 ℃ of water 20t.
Therefore 4.2 * 103 J/kg ℃ * [(90-15) ℃ * 20t+(95-15) ℃ * 20t+(50-15) ℃ * 20t]=1.5960 * 107kJ, enthalpy 2760 kJ/kg by steam are converted into quantity of steam, then need steam consumption 5.78t, by 220 yuan of calculating of steam per ton, need 1271.6 yuan of steam expenses.
Use native system, warm storage chamber, low-temperature storage chamber are respectively 70 ℃ and 50 ℃ in arranging, the hot water mixing cold water that 60 ℃ of beginnings are dyed hot water has hot-water line to say provides, 70 ℃ and 50 ℃ of water are directly provided by middle temperature storage chamber, low-temperature storage chamber, therefore additional heat energy is 60 ℃ and rises to 90 ℃, therefore 70 ℃ rise to 95 ℃, and needing outside heat supply is 4.2 * 103 J/kg ℃ * [(90-60) ℃ * 20t+(95-70) ℃ * 20t]=4.62 * 106kJ, and amounting to needs steam consumption 1.67t.
Application examples 2: be applied to the ready-made clothes acid dyeing example of woollen sweater,
Process and process conditions are seen Fig. 3, and its cascade utilization scheme is (the low-temperature storage chamber arranges 40 ℃ of temperature, and middle temperature storage chamber arranges 80 ℃ of temperature), operation principle such as general work flow process of the present invention.
Present case is example according to normal dyeing engine dyeing look (equally with 1 ton of processing capacity, bath raio 1:20, water temperature is 15 ℃ from the beginning), if all by steam heating need 60 ℃ of water 20t(to contain 40 ℃ of water 20t), 98 ℃ of water 20t.
Therefore 4.2 * 103 J/kg ℃ * [(60-15) ℃ * 20t+(98-15) ℃ * 20t]=1.0752 * 107kJ, enthalpy 2760 kJ/kg by steam are converted into quantity of steam, then need steam consumption 3.89t, by 220 yuan of calculating of steam per ton, need 857 yuan of steam expenses.
Use native system, warm storage chamber, low-temperature storage chamber are respectively 80 ℃ and 40 ℃ in arranging, the hot water mixing cold water that 40 ℃ of beginnings are dyed hot water has hot-water line to say provides, 40 ℃ of water are directly provided by the low-temperature storage chamber, therefore replenishing heat energy is that 40 degree rise to 98 ℃, therefore need outside heat supply be 4.2 * 103 J/kg ℃ * (98-40) ℃ * 20t=4.872 * 106kJ, amounting to needs steam consumption 1.76t.
Application examples 3: be applied to multicomponent textile coating dyeing example
Process and process conditions are seen Fig. 4, and its cascade utilization scheme is (the low-temperature storage chamber arranges 40 ℃ of temperature, and middle temperature storage chamber arranges 80 ℃ of temperature), operation principle such as general work flow process of the present invention.
This example is example according to normal dyeing engine dyeing look (equally with 1 ton of processing capacity, bath raio 1:20, water temperature is 15 ℃ from the beginning), if all by steam heating need 85 ℃ of water 20t(to contain 40 ℃ of water 20t).
Therefore 4.2 * 103 J/kg ℃ * (85-15) ℃ * 20t=5.88 * 106kJ, be converted into quantity of steam by enthalpy 2760 kJ/kg of steam, then need steam consumption 2.13t, by 220 yuan of calculating of steam per ton, need 468.6 yuan of steam expenses.
Use native system, warm storage chamber, low-temperature storage cavity temperature are respectively 80 ℃ and 40 ℃ in arranging, 40 ℃ of water directly provide half by the low-temperature storage chamber, add 80 ℃ half can elevate the temperature to 60 ℃, therefore need outside heat supply be 4.2 * 103 J/kg ℃ * (85-60) ℃ * 20t=2.10 * 106kJ, amounting to needs steam consumption 0.76t.
Claims (5)
1. the solar energy dyeing machine system of a cascade utilization heat energy comprises solar energy heat distribution system, residual neat recovering system, high-temperature heat supply bucking-out system, dyeing machine system and cooling system;
Described solar energy heat distribution system forms the two-way circulation, one the tunnel is the water circulation of being made up of the solar energy vacuum tube (1), cold water pipes (6) and the hot water pipeline (2) that are used for the water heating of some series connection, and another road is circulating for the solar energy vacuum tube (8) of heat-conducting oil heating and the oil that oil-piping is formed by some series connection;
Described dyeing machine system comprises that a batch (-type) dye vat (23) and is used for the switch board of control batch (-type) dye vat work; Described high-temperature heat supply bucking-out system comprises and can carry out the jet chimney of thermal compensation and the electric heating tube that can carry out thermal compensation to conduction oil to the water in the batch (-type) dye vat; On the batch (-type) dye vat temperature-sensing element is housed, described batch (-type) dye vat has chuck (24), and conduction oil and described electric heating tube are housed in this chuck, and electric heating tube places conduction oil, electric heating tube is controlled by switch board, and temperature-sensing element is used for the temperature that records is passed to switch board;
Described residual neat recovering system comprises a thermal wastewater temporary storage box (17) that can be communicated with the batch (-type) dye vat by pipeline, one heat exchanger (12) and a warm water temporary storage box (7), thermal wastewater temporary storage box (17) is connected with described heat exchanger (12) by pipeline, this heat exchanger (12) also is connected with warm water temporary storage box (7) with cold water pipes (6) respectively, thermal wastewater after the batch (-type) dye vat uses enters the thermal wastewater temporary storage box, the cold water that the thermal wastewater that the thermal wastewater temporary storage box comes out and cold water pipes come out carries out heat exchange by heat exchanger, described warm water temporary storage box forms two not connected storage chambers, be low-temperature storage chamber and middle temperature storage chamber, the warm water that obtains after the heat exchange enters corresponding storage chamber according to water temperature;
Described cooling system comprises a thermal conductance deep fat temporary storage box (10) and one and but device (9) of thermal conductance deep fat temporary storage box series-wound oil cooling, and described chuck (24) inserts in the described oil circulation, makes conduction oil in the chuck by the solar energy vacuum tube heating that circulates; Chuck (24) is also connected with thermal conductance deep fat temporary storage box (10) and oil cooler (11), oil cooler (11) is connected with warm water temporary storage box (7) with cold water pipes (6) respectively, the delivery port of this warm water temporary storage box (7) is connected with a warm water pipeline (5), the cold water that conduction oil and cold water pipes come out carries out heat exchange by oil cooler, conduction oil is back in the chuck after cooling, and the warm water that obtains after the heat exchange enters corresponding storage chamber according to water temperature;
The hot water inlet of described batch (-type) dye vat (20) is connected with a thermostat (3) by pipeline, and this thermostat also is connected with warm water pipeline (5) with hot water pipeline (2) respectively.
2. the solar energy dyeing machine system of cascade utilization heat energy according to claim 1 is characterized in that, has waste outlet on the described heat exchanger.
3. the solar energy dyeing machine system of cascade utilization heat energy according to claim 1 is characterized in that, in the described thermal wastewater temporary storage box filter is housed.
4. the solar energy dyeing machine system of cascade utilization heat energy according to claim 1 is characterized in that, described low-temperature storage chamber is used for storing 30-50 ℃ warm water, and middle temperature storage chamber is used for storing 50-100 ℃ warm water.
5. according to the solar energy dyeing machine system of each described cascade utilization heat energy of claim 1-4, it is characterized in that, when the batch (-type) dye vat is in the beginning when dying state, feed the warm water in the low-temperature storage chamber in the warm water pipeline, when the batch (-type) dye vat is in dyeing insulation and washing state, the warm water in feeding in the warm water pipeline in the warm storage chamber; When being lower than batch (-type) dye vat design temperature as the water temperature after thermostat is regulated, adopt jet chimney or/and electric heating tube adds thermal compensation.
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| CN103290633B (en) | 2015-01-21 |
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