CN102679467B - Air-conditioner ventilating system for pretreatment workshop for dairy product production - Google Patents
Air-conditioner ventilating system for pretreatment workshop for dairy product production Download PDFInfo
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- CN102679467B CN102679467B CN201110060089.7A CN201110060089A CN102679467B CN 102679467 B CN102679467 B CN 102679467B CN 201110060089 A CN201110060089 A CN 201110060089A CN 102679467 B CN102679467 B CN 102679467B
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Abstract
The invention provides an air-conditioner ventilating system for a dairy product pretreatment workshop with higher heat yield. The air-conditioner ventilating system comprises an air supply/exhaust mode of an air conditioner system, an arranging mode of an air inlet and an air outlet at tail end of an air conditioner, and a workshop temperature control system. The air-conditioner ventilating system is characterized in that the air conditioner system adopts an entire fresh air running mode; an air exhaust fan set is independently arranged; and the air supply/exhaust adjustment is performed by the air conditioner system according to the change in indoor temperature. Compared with the prior art, the air-conditioner ventilating system for the pretreatment workshop for the dairy product production provided by the invention has the characteristics of energy-saving running, low initial investment and convenience in running and maintaining, so that the air-conditioner ventilating system has higher popularizing and applying values.
Description
1, technical field
The present invention relates to a kind of air conditioner ventilating system, particularly relate to all fresh air air-conditioning system in the larger workshop of quantity of heat production, this invention is adapted to have certain requirements the large workshop of quantity of heat production to air purity especially.
2, technical background
The workshop that quantity of heat production is large, the design adopting traditional comfort air conditioning system to offset workshop quantity of heat production to the refrigerating capacity that it carries out cooling and using air-condition is irrational.Particularly workshop quantity of heat production is greater than 800w/m
2utilize air conditioner refrigerating amount to offset heat time above and just seem more unreasonable.
The present invention is that a kind of air-conditioning being suitable for such workshop feature proposed after actual verification after model is furtherd investigate send, exhaust system in the dairy products pretreatment workshop larger to quantity of heat production: namely air-conditioning system adopts all-fresh air operating unit----air-conditioner set carries new wind to workshop, workshop by the high temperature air of heating from workshop ceiling nearby directly discharge chamber.
Rational air current composition is set up for making workshop, the quantity of the quantity of the air outlet in workshop and exhaust outlet and position having been carried out to rational design air outlet should be determined according to the size of the quantity of heat production of heating equipment, location of air supply inlet is conducive to the discharge of dirty hot-air. and the direction that namely hot-air rises should be the grain direction of air, the position of exhaust outlet is selected above heating equipment proximal most position as far as possible, is namely arranged in along on the nearest position of hot-air streamline.Facts have proved that this scheme has significant energy saving effect, embodiment confirms that energy-saving effect can reach more than 35%.
The object of this invention is to provide a kind of reasonable in design, energy saving in running, the good all fresh air air-conditioning system of plant personnel workspace air quality.
3, summary of the invention:
The air conditioner ventilating system of Dairy Production pretreatment workshop, comprises air-supply and the air draft of air-conditioning system, it is characterized in that: air-conditioning system adopts all-fresh air to run, and be provided with temperature sensor and differential pressure pickup, air conditioner exhaust system arranges independently air draft unit; The arrangement of air conditioning terminal air outlet device and air outlet device is: air supply duct uses air-supply sandwich wall as supply air duct and arranges along workshop surrounding in workshop, circular air-supply post is set in the middle part of workshop, exhaust outlet is arranged on the top of heating equipment, utilize " heat is light cold heavy " of air, produce natural lift and discharge smoothly; Use be arranged on workshop temperature sensor by sensing workshop temperature and with set compared with the temperature of workshop, when workshop temperature sends command signal lower than during the design temperature of workshop, air supply air-conditioner unit is made to reduce rotating speed, thus minimizing air quantity, otherwise increase air quantity, thus realize workshop temperature constant control; Use differential pressure pickup sensing workshop and extraneous pressure differential, when workshop pressure is higher than setting value, open air draft unit, exhaust fan is closed when workshop pressure reduction is less than set pressure differential, remain that workshop is greater than the pressure value of 5pa relative to outdoor, the exhaust air rate in workshop is less than air output all the time.
(1), according to the position of heating equipment and the size of quantity of heat production, calculate required exhaust air rate, then arrange exhaust outlet according to the technique in workshop and heating equipment, exhaust outlet is preferentially arranged on the top of heating equipment.The air of the discharge of exhaust outlet directly can lead to interlayer, exhaust blower also can be set by row of conduits to outdoor, use exhaust duct to carry out collecting process for the corrosivity toxic and harmful containing Acidity of Aikalinity then to use outside exhaust blower discharge chamber, can directly rely on the malleation in workshop discharged to interlayer for there is no corrosive gas.
(2), according to larger than required air draft about 30% ratio-dependent air output, the position of air outlet is arranged along workshop surrounding as far as possible, as far as possible close to bottom workshop, to make to be formed bottom workshop " cold drop " effect, air outlet attaches the Attaching Effect that ground is beneficial to fluid as far as possible and realizes range far away.The hydromechanical quiet dynamic pressure transfer principle of air quantity uniformity use sent for making air outlet is provided with the strip crevice jet air port with plenum chamber and homogenizing plate.
(3) quality, for improving workshop air reduces maintenance workload simultaneously, air conditioner fresh air entrance arranges new wind expansion chamber, its air output of mode adopting all-fresh air to run due to this air-conditioning is larger, particularly summer, for the dust in filtering air uses bag filter, the feature that tired pocket type air filter tool dust containing capacity is large and windage is little.Because workshop establishes the pressure difference being greater than 10pa for outdoor, namely workshop defines malleation effect, the discharge that this malleation is not only conducive to Indoor Thermal air enters workshop with to position, gap such as the door etc. being also conducive to preventing the dust workshop on ground with the external world, and this measure makes workshop air cleanliness factor be improved.
(4), the temperature controlled enforcement in workshop is the temperature that air force by controlling workshop pressure fan controls workshop, when temperature sensor senses workshop, workshop temperature increases air quantity lower than during setting value, otherwise reduces air quantity.
(5), the control of workshop constant positive pressure implements to be that the exhaust air rate size that differential pressure pickup by being arranged on workshop controls exhaust blower realizes, and when workshop pressure is higher than setting value, the exhaust air rate of increasing exhaust machine, anyway reduce exhaust air rate.
4, accompanying drawing explanation
The air-supply of accompanying drawing 1 workshop and exhaust system schematic perspective view
Accompanying drawing 2 workshop temperature control principle drawing
The new wind expansion chamber schematic diagram of accompanying drawing 3
5, detailed description of the invention
The embodiment of the present invention confirms through the practice of dairy products pretreatment workshop, and energy-saving effect reaches more than 35%, workshop stable temperature control, and pressure reduction precise control, air quality is better.
Below in conjunction with accompanying drawing 1-3, the present embodiment is described further:
Traditional design of air conditioning adopts " top send and pushes up back " (at the uniform exhaust outlet in top, workshop, and in the way of the uniform air outlet in top, workshop, the heat causing heating equipment to produce spreads in workshop, causes heat not discharge smoothly.See Figure
Because air is with the rising of temperature, density diminishes, there is the characteristic of upwards proper motion, after the hot-air risen runs into the cold air of the decline that air outlet is sent, hot-air can be driven again and move downward, to such an extent as to the hot-air risen is contrary with the cold air direction of motion declined, cause air-conditioning air conditioning energy consumption large, weak effect.
(1), according to the position of heating equipment and the size of quantity of heat production, calculate required exhaust air rate, then exhaust outlet (3) is set according to the technique in workshop and heating equipment, exhaust outlet (3) is preferentially arranged on the top of heating equipment. and the air of the discharge of exhaust outlet (3) directly can lead to interlayer (1), exhaust blower (7) also can be set by row of conduits to outdoor, then use exhaust duct to carry out collecting process for the corrosivity toxic and harmful containing Acidity of Aikalinity uses outside exhaust blower (7) discharge chamber, can directly rely on the malleation in workshop discharged to interlayer (1) for there is no corrosive gas.
(2), according to larger than required air draft about 30% ratio-dependent air output, the position of air outlet is arranged along workshop surrounding as far as possible, as far as possible close to bottom workshop, to make to be formed bottom workshop " cold drop " effect, air outlet attaches the Attaching Effect that ground is beneficial to fluid as far as possible and realizes range far away.The hydromechanical quiet dynamic pressure transfer principle of air quantity uniformity use sent for making air outlet is provided with the strip crevice jet air port (4) with plenum chamber and homogenizing plate.
(3) quality, for improving workshop air reduces maintenance workload simultaneously, air conditioner fresh air entrance arranges new wind expansion chamber (11), its air output of mode adopting all-fresh air to run due to this air-conditioning is larger, particularly summer, for the dust in filtering air uses bag filter (9) (10), because of the feature that pocket type air filter (9) (10) tool dust containing capacity is large and windage is little.Because workshop establishes the pressure difference being greater than 10pa for outdoor, namely workshop defines malleation effect, the discharge that this malleation is not only conducive to Indoor Thermal air is also conducive to preventing the dust workshop on ground from entering workshop with extraneous position, gap such as door etc. simultaneously, and this measure makes workshop air cleanliness factor be improved.
(4), the temperature controlled enforcement in workshop is the temperature that air force by controlling workshop pressure fan controls workshop, and when workshop temperature sensor (5) sensing workshop, temperature increases air quantity lower than during setting value, otherwise reduces air quantity.
(5), the control of workshop constant positive pressure is implemented to be that the exhaust air rate size that differential pressure pickup (6) by being arranged on workshop controls exhaust blower realizes, when workshop pressure is higher than setting value, the exhaust air rate of increasing exhaust machine, anyway reduce exhaust air rate.
Claims (6)
1. the air conditioner ventilating system of Dairy Production pretreatment workshop, comprise air-conditioning system and air exhausting device, it is characterized in that: air-conditioning system adopts all-fresh air to run, and be provided with temperature sensor and differential pressure pickup and bag filter, air exhausting device arranges independently air draft unit; The arrangement of air conditioning terminal air outlet device and air outlet device is: air supply duct uses air-supply sandwich wall as supply air duct and arranges along workshop surrounding in workshop, circular air-supply post is set in the middle part of workshop, exhaust outlet is arranged on the top of heating equipment, utilize " heat is light cold heavy " of air, produce natural lift and discharge smoothly; Use be arranged on workshop temperature sensor by sensing workshop temperature and with set compared with the temperature of workshop, when workshop temperature sends command signal lower than during the design temperature of workshop, air supply air-conditioner unit is made to reduce rotating speed, thus minimizing air quantity, otherwise increase air quantity, thus realize workshop temperature constant control; Use differential pressure pickup sensing workshop and extraneous pressure differential, when workshop pressure is higher than setting value, open air draft unit, exhaust fan is closed when workshop pressure reduction is less than set pressure differential, remain that workshop is greater than the pressure value of 5pa relative to outdoor, the exhaust air rate in workshop is less than air output all the time.
2. air conditioner ventilating system according to claim 1, it is characterized in that: air conditioning terminal air outlet device comprises the strip crevice jet air port that air-supply sandwich wall and wall are installed, described strip crevice jet air port is arranged on the type of attachment also adopting bottom wall and can outside discharge.
3. air conditioner ventilating system according to claim 1, is characterized in that: described air conditioning terminal air outlet device is provided with control valve and strip crevice hole.
4. air conditioner ventilating system according to claim 1, is characterized in that: circular air-supply post air outlet is arranged on column bottom, and has support column to carry out load-bearing.
5. air conditioner ventilating system according to claim 3, is characterized in that: described strip crevice jet air port is provided with plenum chamber and homogenizing plate.
6. air conditioner ventilating system according to claim 1, is characterized in that: the air of the discharge of air conditioning terminal exhaust outlet directly leads to interlayer.
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| CN201110060089.7A CN102679467B (en) | 2011-03-14 | 2011-03-14 | Air-conditioner ventilating system for pretreatment workshop for dairy product production |
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| CN201110060089.7A CN102679467B (en) | 2011-03-14 | 2011-03-14 | Air-conditioner ventilating system for pretreatment workshop for dairy product production |
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| CN105066396B (en) * | 2015-05-20 | 2017-09-01 | 西安建筑科技大学 | A kind of square column wall sticking type is blown with back-shaped uiform section current equalizer |
| CN105460034B (en) * | 2015-11-18 | 2018-01-12 | 西安建筑科技大学 | A kind of attached combined type air supply method of double applying and device suitable for train soft sleeper box |
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| CN106020302A (en) * | 2016-07-27 | 2016-10-12 | 南京诺丹工程技术有限公司 | Lab environment monitoring device |
| CN106839243A (en) * | 2017-03-22 | 2017-06-13 | 东旭科技集团有限公司 | Glass furnace ventilation workshop and ventilated control system |
| CN108628370A (en) * | 2018-06-08 | 2018-10-09 | 青岛特利信工业科技有限公司 | Environment control method and system in the case detected in conjunction with micro-positive pressure and SF6 |
| CN109579241A (en) * | 2018-12-14 | 2019-04-05 | 汕头市东方科技有限公司 | A kind of workshop distribution ventilation automatic control system and its control method |
| CN110220262A (en) * | 2019-06-04 | 2019-09-10 | 南京师范大学镇江创新发展研究院 | A kind of fresh air processing method in non-sleeve configuration paper mill workshop |
| CN111023492B (en) * | 2019-11-28 | 2021-04-27 | 合肥通用制冷设备有限公司 | Fresh air temperature and humidity control method |
| CN111594948B (en) * | 2020-05-30 | 2021-09-17 | 石家庄奥祥医药工程有限公司 | Steady-state current-changing medical examination cabin |
| CN112344512A (en) * | 2020-10-27 | 2021-02-09 | 海信（山东）空调有限公司 | Fresh air control method of air conditioner |
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| CN1184877A (en) * | 1996-12-09 | 1998-06-17 | 刘庭驹 | Air convection method for buildings |
| JP2003047457A (en) * | 2001-08-07 | 2003-02-18 | Sanyo Electric Medica Systems Co Ltd | Installation for producing vector and method for producing vector |
| CN1356505A (en) * | 2001-12-20 | 2002-07-03 | 任春严 | Centralized air conditioner with extendible functions for near-distance supply of separated different kinds of air |
| KR100577252B1 (en) * | 2004-06-24 | 2006-05-10 | 엘지전자 주식회사 | Ventilation system with air cleaning |
| CN100361747C (en) * | 2006-06-13 | 2008-01-16 | 中国人民解放军军事医学科学院 | Movable safety biological laboratory |
| CN101021346A (en) * | 2007-03-21 | 2007-08-22 | 劳特斯空调(江苏)有限公司 | Air source heat pump air conditioner heat recovery total-fresh air processing method and the air conditioner system |
| CN100462639C (en) * | 2007-07-24 | 2009-02-18 | 西安交通大学 | Double side wall-attached jet air-supply style |
| CN101482303B (en) * | 2008-10-07 | 2010-08-11 | 郑州宏大纺纱新技术咨询有限公司 | Energy-saving consumption-reducing air conditioning method and unit air conditioner of spinning factory |
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