CN102818320B - The warm and humid exchange air-conditioning system of a kind of directly evaporation - Google Patents

The warm and humid exchange air-conditioning system of a kind of directly evaporation Download PDF

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Publication number
CN102818320B
CN102818320B CN201110153002.0A CN201110153002A CN102818320B CN 102818320 B CN102818320 B CN 102818320B CN 201110153002 A CN201110153002 A CN 201110153002A CN 102818320 B CN102818320 B CN 102818320B
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China
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air
chamber
conditioning
return
warm
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CN201110153002.0A
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Chinese (zh)
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CN102818320A (en
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李毅
武可成
马利娜
祁崇涛
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马利娜
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Abstract

The warm and humid exchange air-conditioning system of a kind of directly evaporation, comprise by plenum chamber, spray chamber and return air chamber composition air conditioning chamber and by ajutage, air outlet, what backwind tube and return air inlet formed send, air return system, wherein between plenum chamber and spray chamber, pressure fan is installed, in spray chamber, water fender is installed, shower and shower nozzle, clammy air is sent into operation area by the ajutage and air outlet being positioned at top, operation area by plenum chamber, former shower is changed into 2 rows-6 and arranges by the present invention, ground backwind tube is provided with at operation area subsurface, backwind tube on being provided with above operation area, eliminate the return fan in return air chamber and the return air inlet on the body of wall of workshop and disc type screen pack, utilize wind density official post total system natural-circulation operation, can automatically reach humiture dynamic equilibrium.Have rate of ventilation few, water consumption is few, electric energy consumption is low, workshop moisture temperature is moderate, and can make product not static electrification in technological process, the lower machine regain of cashmere reaches the advantage such as 18%.

Description

The warm and humid exchange air-conditioning system of a kind of directly evaporation
Technical field
The present invention relates to the warm and humid exchange air-conditioning system of a kind of directly evaporation, be especially specially adapted to the warm and humid exchange air-conditioning system of evaporation of combing suede workshop.
Background technology
Existing air-conditioning system, particularly be applicable to the warm and humid exchange air-conditioning system of evaporation of combing suede workshop, its formation comprises plenum chamber, spray chamber and return air chamber, wherein between plenum chamber and spray chamber, pressure fan is installed, water fender, shower, shower nozzle and heater have been installed in spray chamber, shower is generally furnished with ten rows, often row has more than 200, shower nozzle (be equivalent to every square metre and have 30-40 shower nozzle), shower is connected by feed pipe and return pipe and cistern, in return air chamber, return fan is installed, between return air chamber and spray chamber, is provided with screen pack.Clammy air is sent into workshop operation area by the ajutage and air outlet being positioned at top, workshop operation area by plenum chamber in addition, and return air chamber collects return air by the return air inlet communicated with return air chamber be positioned on workshop bottomland exhaust duct and workshop body of wall.Above-mentioned air-conditioning system, every day, water consumption was between ten tons to 20 tons, and electrical power is between 90-110kw.And workshop high humidity, be generally greater than 72%, even reach 90%, and the regain of cashmere is lower than 16%, not only work situation condition in workshop is poor, and the cashmere of institute's combing does not reach the standard-required of not static electrification and moisture content.
The theoretical foundation of above-mentioned air-conditioning system is: the equipment cooling load index of cashmere spinning and weaving workshop is generally at 100W-150W/m 2, have up to 300W/m 2.When Air-conditioner design calculates, by the so large total refrigeration duty of equipment and other (light fixtures, personnel, pad) calculation of cooling load, the air quantity drawn is very large, convert by rate of ventilation, all be higher than 15 times per hour, some may up to 20 times per hour, from technological requirement, summer, workshop temperature must lower than 28 degree, humidity should at about 75%HR, Wind Volume, high humility requirement, just make shower nozzle quantity in spray chamber extremely many, blower motor power is very large, for air draft must join large row's (returning) blower fan, even so, also difficulty meets the not static electrification of cashmere and the standard-required of water content, in comb suede process, cashmere dewaters, usual employing is manually sprayed water humidification.
In CN201302256Y, disclose a kind of textile air-conditioner constant temperature and humidity variable air volume control system, its form comprise steam valve, refrigeration machine, humidifier, central control cabinet, breeze fan switch board, exhaust blower switch board, water pump control cabinet, air regulator actuator, Temperature Humidity Sensor and host computer etc., its defect is that above-mentioned control there will be delay phenomenon, humidity and the humidity in workshop can not be regulated and controled within a short period of time very soon, be difficult to the stability ensureing product quality, and power consumption is large.
Summary of the invention
One is the object of the present invention is to provide to overcome the deficiency of above-mentioned prior art, rate of ventilation is few, water consumption is few, electric energy consumption is low, workshop moisture temperature is moderate, and can make product in technological process not under static electrification, cashmere machine regain reach more than 18%, automatically can reach the warm and humid exchange air-conditioning system of direct evaporation of workshop humiture dynamic equilibrium.
Found by observation for many years and research: workshop area is many more than 1000 square metres, height 4 meters, so large space, the time that stable needs are longer, adjust disturbance frequently, very unfavorable to it, the working space height in workshop only 2 meters, the space of more than 2 meters is unimportant to production, air outlet the sending with certain speed of cold wind, density is large, can sink quickly, after heat absorption, temperature raises, density reduces, the nature that lightens rises, ground return air, surface wind is after heat dissipation equipment, air channel is entered by air channel negative pressure, return air temperature is all higher than workshop temperature in a word, Air-conditioner design calculates, generally all calculate return air enthalpy difference by workshop thermometer, by the total calculation of cooling load air quantity in workshop, the accounting temperature of return air and the actual temperature of return air have suitable deviation, this departs from actual heat radiation required airflow with regard to making the wind supply quantity of air-conditioning, the result of Wind Volume makes Great inertia system all the time in transient state, stable or metastable condition cannot be reached.
The warm and humid exchange air-conditioning system of direct evaporation of the present invention, comprise the air conditioning chamber that is made up of plenum chamber, spray chamber and return air chamber and by ajutage, air outlet, backwind tube and return air inlet form give, air return system, wherein between plenum chamber and spray chamber, pressure fan is installed, water fender, shower and shower nozzle are installed in spray chamber, clammy air is sent into operation area by the ajutage and air outlet being positioned at top, operation area by plenum chamber, and improvements of the present invention are: former shower being changed into 2 row-6 rows can control respectively.According to pump pressure, the water yield, FL-3 type shower nozzle can be selected, under the prerequisite ensureing evaporation surface, so just decrease the water smoke sprayed by shower nozzle forms globule probability because mutually colliding; Be provided with ground backwind tube at operation area subsurface, backwind tube on being provided with above operation area, eliminate the return fan in return air chamber and the return air inlet on the body of wall of workshop and disc type screen pack, utilize wind density official post total system to carry out natural-circulation operation.
Above-mentioned ground return air duct can be arranged separately, also the Dustproof air flue under former unit can be doubled as into ground return air channel, and the heat be beneficial to unit produces is taken away by return air duct in time.
On above-mentioned often row shower, mounting spray head every square metre 2-8 is individual, and preferred value is 3 ~ 5 every square metre.
Above-mentioned air outlet is located at the top of the operation area of equipment, for utilizing the heat distributed, stop valve and exhaust valve can be provided with between backwind tube and return air chamber, stop valve can be closed when summer and open exhaust valve, start as required or do not start blower fan and hot-air is got rid of; Exhaust valve can be closed time in the winter time open stop valve and enter return air chamber by hot-air.
Can blower fan be provided with in above-mentioned backwind tube, be beneficial to normally work under megathermal climate.
Above-mentioned return air chamber and spray chamber junction are also provided with adjustable fresh inlet, between return air chamber and spray chamber, be provided with screen pack.
Expansion chamber can be provided with before above-mentioned return air chamber.
Outstanding effect of the present invention and advantage:
According to low-carbon (LC), energy-conservation requirement, simultaneously for improving the quality of products, according to the understanding to Great inertia system feature, Adjustment and reform is carried out to workshop air-conditioning.
By the optimization of above each structure, energy-saving and water-saving Be very effective of the present invention, simultaneously under the environment temperature of-27 DEG C to 38 DEG C, can give full play to the function of each parts, the humiture in quick adjustment workshop, make product reach technological requirement.To 800m 2× 4m equipment electric load 300w/m 2the workshop operation of 18 months, power consumption 10 yuan/day, water consumption 200-1700m 3/ day.
Invention has been following optimization:
1, pump energy consumption is decreased to the preferred arrangement of spray row, reduce the shower nozzle of spray, by original 30-40/m 2be reduced to 2-8/m 2, its object is to the consumption reducing underground water, no longer because water temperature raises discharge hot water, water consumption is kept to 2t/ day by 120t/ day.Equal floor space water saving 98%, economize on electricity 50%, by original 11.5kw, reduces to 5.5kw.
2, reduce fan delivery with frequency conversion adjustment, make electric frequency be adjusted to 18HZ by 50HZ, air quantity reduces to 30% of former air quantity, reduces the interference to system balancing, makes it to be in metastable condition, economizes on electricity simultaneously, and fan shaft power is reduced to 40% of former power.
3, cistern of the present invention adopts recirculated water, changes traditional direct current water, decreases water consumption, water saving 98% (equal floor space, former water consumption: 110t/ days summer, 60t/ days winter, now 200kg/ days winter, summer 2t/ days).
Simultaneously the slope design in pond decreases retaining volume, decreases the waste during end clearly.Blowoff valve is established bottom the gradient of pond, easy to use, ensure that the limpid of water, decrease labour intensity.
4, tradition point comb workshop condition temperature requirement: 25 DEG C ± 2 DEG C humidity: 85 DEG C ± 5 DEG C; Just substantially can meet the moisture regain of cashmere at 15%-17%, and native system can complete temperature: 7 DEG C of-28 DEG C of humidity: under 55%-85% condition the regain of cashmere reach >=more than 18% (object installed an air-conditioner is except the production environment of workman, mainly in order to meet technological requirement, i.e. the index of regain >=17%).
5, expansion chamber decreases garden dish deduster, saves 22kw-37kw energy consumption.Due to the structure of expansion chamber, useless suede is landed, the water of circulatory pool becomes limpid from original muddiness.
6, forced-ventilated (returning) wind is changed for the wind that overflows, reduce air draft to the interference of system, save power consumption, air-conditioning after transformation adjustment, workshop moisture temperature is normal, because reducing shower nozzle quantity, humidity is not reduced, also not because of the minimizing of air quantity, workshop temperature raises, and cashmere dehydrating phenomena is eliminated, and not static electrification.Pressure reduction ground return air, upper and lower air return system decreases exhaust blower, energy-conservation (power consumption) 30kw-45kw.
Side by side return air, upper return air (upper air draft) UTILIZATION OF VESIDUAL HEAT IN decrease heater, joint vapour 100%.
7, because blowdown is smooth, water is clear, shower nozzle can not block up substantially, water fender also can not be dirty, greatly reducing the workload of maintenance (in original system, within 1-2 month, shower nozzle pickling to be pulled down, water fender also wants frequent Scale Removal, and our system removes after 18 months completely in use).
8, manually reduce by 50% (being manually reduced to 8 people by 16 original people) in the workshop of equivalent devices, maintenance cost decreases 90%.
Accompanying drawing explanation
Fig. 1 is supply air system figure
Wherein, 1 is air conditioning chamber, and 2 is ajutage.
Fig. 2 is upper air return system figure
Wherein 1 is air conditioning chamber, and 3 is upper backwind tube, and 5 is blower fan, and 6 is stop valve, and 7 is exhaust valve.
Fig. 3 is ground air return system figure
Wherein 1 is air conditioning chamber, and 4 is ground backwind tube.
Fig. 4 is air conditioning chamber's orthogonal view
Wherein 101 is pressure fan, and 102 is water fender, and 103 is shower, and 104 is low efficient filter, and 105 is ground return air inlet, and 106 is air outlet, and 107 is upper return air inlet, and 111 is plenum chamber, and 112 is spray chamber, and 113 is return air chamber.
Fig. 5 is air conditioning chamber's plane
Wherein 101 is pressure fan, and 102 is water fender, and 103 is shower, and 108 is water circulating pump, and 110 is the new wind entrance of adjustable type, and 111 is plenum chamber, and 112 is spray chamber, and 113 is return air chamber.
Fig. 6 is air-conditioning expansion chamber schematic diagram
Wherein 104 is low efficient filter, and 109 is baffle plate, and 4 is ground backwind tube.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described further.
Embodiment one
With reference to Fig. 1-Fig. 5, the warm and humid exchange air-conditioning system of direct evaporation of the present invention, comprise by plenum chamber 111, the air conditioning chamber 1 that spray chamber 112 and return air chamber 113 form and by ajutage 2, air outlet 106 and upper backwind tube 3, what ground backwind tube 4 and return air inlet 107 formed send, air return system, pressure fan 101 (its air quantity is that rate of ventilation is not more than 8 calculating per hour) is wherein installed between plenum chamber 111 and spray chamber 112, in spray chamber, water fender 102 is installed respectively, controllable 1 group or 2 groups of showers 103, often organize installation 2 ~ 3 and arrange shower nozzle 104, shower nozzle number 3-5/m 2, clammy air is sent into operation area by the ajutage 2 and air outlet 106 being positioned at workshop top by plenum chamber 111, be provided with expansion chamber in return air chamber 113, wind speed, through expansion chamber, first by baffle plate 109, reduces by the hot-air of upper backwind tube 3 and the hot-air of ground backwind tube 4, by the impurity landing in air, then reenters spray chamber 112 after low efficient filter 104 filters, be provided with the new wind entrance 110 of adjustable type at return air chamber 113, between return air chamber 113 and spray chamber 112, be provided with low efficient filter 104, ground backwind tube 4 (backwind tube 4 can arrange separately, also the Dustproof air flue under former unit can be doubled as ground backwind tube 4) is provided with, backwind tube 3 on being provided with above workshop at operation area below ground.
Embodiment two
Between upper backwind tube 3 and return air chamber, be provided with stop valve 6 and exhaust valve 7, stop valve 6 can be closed when summer and open exhaust valve 7 hot-air is got rid of; Can close exhaust valve 7 opening stop valve 6 time in the winter time allows hot-air enter return air chamber 113, to make full use of original waste heat, thus eliminates the heater in traditional air-conditioning system, improves the energy-saving efficiency of air-conditioning system.Be provided with blower fan 5 in ajutage 2 or backwind tube 3, open as required, be beneficial to normally work under megathermal climate.Geomantic omen is than suitable, and recirculated water does not heat up, thus reaches the object of water saving.Air outlet is preferably located at the top of the operation area of equipment, so that clammy air directly carries out warm and humid exchange in operation area.

Claims (6)

1. one kind is applicable to the warm and humid exchange air-conditioning system of direct evaporation of combing suede workshop, comprise by plenum chamber, spray chamber and return air chamber composition air conditioning chamber and by ajutage, air outlet, what backwind tube and return air inlet formed send, air return system, wherein at plenum chamber, and between spray chamber, pressure fan is installed, in spray chamber, water fender is installed, shower and shower nozzle, air outlet is positioned at top, operation area, its characteristic sum is that shower is two to six rows, often arranging shower nozzle density is every square metre of 2-8, ground backwind tube is provided with at operation area below ground, backwind tube on being provided with above operation area.
2. be applicable to the warm and humid exchange air-conditioning system of direct evaporation of combing suede workshop as claimed in claim 1, it is characterized in that shower is four rows, often arranging shower nozzle density is 3 ~ 5 every square metre.
3. be applicable to the warm and humid exchange air-conditioning system of direct evaporation of combing suede workshop as claimed in claim 1, it is characterized in that being provided with the pressure fan being not more than 8 air quantity according to rate of ventilation per hour.
4. being applicable to as described in claim 1 or 2 or 3 combs the warm and humid exchange air-conditioning system of direct evaporation in suede workshop, it is characterized in that air outlet is located at the top of operation area, is provided with stop valve and exhaust valve at backwind tube and return air chamber.
5. be applicable to the warm and humid exchange air-conditioning system of direct evaporation of combing suede workshop as claimed in claim 4, it is characterized in that being provided with blower fan in backwind tube.
6. be applicable to the warm and humid exchange air-conditioning system of direct evaporation of combing suede workshop as claimed in claim 4, it is characterized in that return air chamber is provided with adjustable fresh wind port at the beginning of being connected with spray chamber, between return air chamber and spray chamber, be provided with screen pack, before return air chamber, be provided with expansion chamber.
CN201110153002.0A 2011-06-09 2011-06-09 The warm and humid exchange air-conditioning system of a kind of directly evaporation CN102818320B (en)

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CN102818320B true CN102818320B (en) 2015-10-07

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101029758A (en) * 2006-03-03 2007-09-05 涂前文 Multi-point atomizing central air-conditioner without nozzle
CN201302256Y (en) * 2008-10-31 2009-09-02 马力 Textile air conditioner used constant temperature and humidity variable air volume control system
CN201606974U (en) * 2009-12-25 2010-10-13 石家庄常山恒新纺织有限公司 Air-conditioning system for multiple layers of plants of textile mill
CN102051695A (en) * 2010-12-27 2011-05-11 福建百宏聚纤科技实业有限公司 Melt direct spinning cooling device
CN202546954U (en) * 2011-06-09 2012-11-21 马利娜 Direct-evaporation temperature humidity exchange air-conditioning system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101029758A (en) * 2006-03-03 2007-09-05 涂前文 Multi-point atomizing central air-conditioner without nozzle
CN201302256Y (en) * 2008-10-31 2009-09-02 马力 Textile air conditioner used constant temperature and humidity variable air volume control system
CN201606974U (en) * 2009-12-25 2010-10-13 石家庄常山恒新纺织有限公司 Air-conditioning system for multiple layers of plants of textile mill
CN102051695A (en) * 2010-12-27 2011-05-11 福建百宏聚纤科技实业有限公司 Melt direct spinning cooling device
CN202546954U (en) * 2011-06-09 2012-11-21 马利娜 Direct-evaporation temperature humidity exchange air-conditioning system

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