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id="jy3dfrt" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/Tkdzkj/637272286269599610/3044900.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="637if7b" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/Tkdzkj/637272286269599610/3044900.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="5uwnkbi" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>陜西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>陜西大棚增溫器工作原理,增溫</p><p><span>***更新：</span>2020-11-12 07:15:33</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="laugip8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安同凱電子科技有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>趙經(jīng)理</p><p><span>郵箱: </span>632408386@qq.com</p><p><span>電話: </span>15991693691</p><p><span>傳真: </span>029_88346373</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>029-88346373</p><p><span>地址: </span>西安市高新區(qū)細(xì)柳街辦創(chuàng)業(yè)大道39號(hào)1號(hào)標(biāo)準(zhǔn)廠房10506</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="dhegiuo" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qfc7brt" class="box"><p><p> 在農(nóng)業(yè)發(fā)展方面，在冬季蔬菜的產(chǎn)量受影響還是比較大，由于冬季氣溫較低，加之冰雪、霜凍等自然災(zāi)害的頻繁發(fā)生，陜西大棚增溫器工作原理，將對蔬菜大棚內(nèi)的農(nóng)作物產(chǎn)生不利影響，因此在寒冷的冬季，如何增加蔬菜的產(chǎn)量，溫度方面是重要的因素，那么在建大棚時(shí)或者在日常維護(hù)中，有哪些方式可以為蔬菜大棚增溫呢？ </p> <p> 1、在建大棚時(shí)要選擇下沉式蔬菜大棚施工 </p> <p> 建造蔬菜溫室時(shí)。當(dāng)蔬菜大棚內(nèi)地面下沉半米以上至凍土以下時(shí)，種植的地上作物的土壤溫度將高于水平地面，陜西大棚增溫器工作原理。同時(shí)，由于蔬菜大棚內(nèi)地面下沉，大棚內(nèi)空間會(huì)增加，利于保溫。 </p> <p> 2、在建設(shè)大棚時(shí)選擇透光性好的蔬菜大棚膜 </p> <p> 大棚建造時(shí)大多選用無滴膜，這種大棚膜具有良好的透光性和保溫性能。同時(shí)，應(yīng)每周清洗薄膜表面，陜西大棚增溫器工作原理，保持良好的透光性。大棚增溫塊棚內(nèi)進(jìn)行多層覆蓋。陜西大棚增溫器工作原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西大棚增溫器工作原理,增溫" src="https://tyunfile.71360.com/WaterMark/UploadFile/Tkdzkj/637272286269599610/3044900.png"></div><p> 冬季，我們要經(jīng)常打掃和擦洗棚膜，為什么呢？ </p> <p> 及時(shí)清洗干凈棚膜上面的灰塵、污物、積雪，是為了增加光照，提高棚溫。大棚里的光照和熱量，主要來源于太陽的輻射，保持棚膜干凈就是為了能更好的接受太陽輻射，如果棚面很臟，長時(shí)間不清洗的話，會(huì)影響棚內(nèi)的光照條件。所以我們要經(jīng)常打掃、擦洗棚膜。夏季或者說氣溫比較高時(shí)，用水沖洗的方法比較好，對棚膜的傷害也輕。但如果是冬季，氣溫低，用水沖洗的話容易結(jié)冰，還會(huì)降低棚內(nèi)溫度。所以不能用水沖。也有人會(huì)采用綁小布條的方式擦拭棚膜。采用綁小布條的方式，利用風(fēng)力來回?cái)[動(dòng)布條擦拭棚膜，雖不費(fèi)工，但棚上面和下面總是有小布條擦不到的地方。也有的菜農(nóng)采用拖把擦拭棚膜，雖然擦得比較干凈，但費(fèi)工費(fèi)時(shí)。如今給大家介紹一種棚膜除塵方法：先準(zhǔn)備一根比棚寬稍長一點(diǎn)的繩子，然后在其綁一些布條，綁的布條一定要把繩子表面覆蓋起來，這樣就形成了一根布條繩。然后一個(gè)人拿著繩子一頭站在棚下，另一個(gè)人拿著繩子的另一頭站在棚后坡上，兩個(gè)人把繩子拉緊，來回?cái)[動(dòng)，在棚膜上一片一片地擦拭，很快就能把棚膜擦得干干凈凈。廣東增溫王市場價(jià)大棚增溫塊白天將熱量以液態(tài)方式貯存，來降低高溫。夜間空自動(dòng)將所貯熱量釋放，提高室內(nèi)溫度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西大棚增溫器工作原理,增溫" src="https://tyunfile.71360.com/WaterMark/UploadFile/Tkdzkj/637272286023769532/6184314.png"></div><p> 墻體和后屋面厚度以及墻體材料選擇 </p> <p> 咱們講的這種高效節(jié)能日光溫室對墻體和后屋面的要求是既能隔熱，同時(shí)還要有很好的載熱能力。而墻體和后屋面隔熱、載熱能力的高低既與建造溫室時(shí)所用材料種類及厚度大小有關(guān)，也直接影響到保溫性能的好壞。 </p> <p> 為了增強(qiáng)墻體和后屋面的保溫、蓄熱能力，一是可以采取不同材料構(gòu)造的方法，內(nèi)層要選擇蓄熱大的建筑材料，外層要選擇導(dǎo)熱率低的材料；二是要加大其厚度，并根據(jù)所用建材、冬季外界氣溫和作物生育適溫而定。 </p><p> 隨著經(jīng)濟(jì)的發(fā)展，為了實(shí)現(xiàn)日常生活中對蔬菜等物質(zhì)的需求，溫室可以生產(chǎn)反季節(jié)產(chǎn)品，比如在冬季，溫室應(yīng)采用增溫設(shè)備進(jìn)行升溫，達(dá)到植物正?；ㄑ糠只烷_花。西安同凱電子科技有限公司為大家講解一下連棟溫室大棚加溫采用的方式： </p> <p> 1、進(jìn)行對道加熱，這是一種比較傳統(tǒng)的加熱方法。成本低，適用于面積比較小溫室； </p> <p> 2、對大棚進(jìn)行蒸汽加熱。蒸汽鍋爐產(chǎn)生的蒸汽通過管道輸送到受保護(hù)的設(shè)施，熱量通過散熱器擴(kuò)散到房間。熱分布均勻，溫室的溫度上升快，溫度還容易調(diào)節(jié)，適合大棚花卉生產(chǎn)； </p> <p> 3、對大棚進(jìn)行熱水供暖。蒸汽鍋爐產(chǎn)生的熱水通過管道輸送到保護(hù)區(qū)設(shè)施，熱量通過散熱器擴(kuò)散到房間。與蒸汽加熱相比，該方法的熱利用率高，且能長期、均勻地保持溫度。鍋爐不加熱時(shí)，其余熱量仍能長期保持在室溫下，適合花卉生長發(fā)育。 </p> <p> <br /> 有了大棚增溫塊冬季大棚增溫不費(fèi)力了。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西大棚增溫器工作原理,增溫" src="https://tyunfile.71360.com/WaterMark/UploadFile/Tkdzkj/637272286286435547/5735655.png"></div><p> 在冬季蔬菜大棚增溫的方法： </p> <p> 1、使用大棚增溫塊：增加大棚溫度濕度，增溫同時(shí)釋放二氧化碳?xì)夥?，任何作物任何階段都可以用，，無害，不傷人，不傷蜂，不傷作物。 </p> <p> 2、加厚溫室墻體：溫室大棚后墻厚度由普通日光溫室底寬2.2m、頂寬1.3m，增加到底寬3.2m、頂寬2.2m，側(cè)墻厚度由底寬2.5m、頂寬1.1m，增加到底寬3.5m、頂寬2.0m，采用該項(xiàng)技術(shù)后可提高溫室大棚溫度2～3℃； </p> <p> 3、后屋面采用先進(jìn)保溫材料聚苯板覆蓋：普通溫室大棚后屋面多采用麥草保溫，麥草保溫效果雖好，但容易腐朽，使用年限短。若溫室后屋面用新型保溫材料聚苯板兩層交錯(cuò)鋪設(shè)保溫層，可有效提高保溫效果； </p> <p> 4、采用半地下式建設(shè)：溫室大棚采用地下0.5和地下1.0m兩種形式，經(jīng)觀測地下0.5m可提高溫度l℃，地下1m可提高溫度2℃； </p> <p> 5、增設(shè)防寒溝：溫室大棚在前屋面前腳增設(shè)防寒溝，防寒溝深0.8m，寬0.4m，長度與棚長相同，溝內(nèi)填充8cm厚的新型保溫材料聚苯板，可有效提高溫室前沿溫度3-5℃； </p> <p> 6、增加覆蓋棉簾厚度：普通溫室大棚覆蓋棉簾厚度一般在2-3cm，若將覆蓋棉簾厚度增加到5cm，可有效提高3-5℃；大棚增溫塊燃燒迅速，火苗高度在30-40厘米，要確保燃料塊離棚膜、干燥物料2米以上，確保使用安全。云南增溫王銷售</p><p style="text-indent:25px">在大棚內(nèi)加蓋小拱棚，可使溫度提高2℃—3℃。陜西大棚增溫器工作原理</p><p> 3、電熱溫室 </p> <p> 與其他能源形式相比，電能需要進(jìn)行熱電二次能源轉(zhuǎn)換，具有高的能源等級(jí)和較高的價(jià)格。在熱電轉(zhuǎn)換中，火電發(fā)電效率*為30%左右。因此，雖然電加熱的電熱轉(zhuǎn)換效率較高，但從整體能源利用情況來看，電加熱的能源利用效率很低。在種植蔬菜、水果的溫室內(nèi)使用電加熱既不經(jīng)濟(jì)又不合理。而對于苗木溫室來說，土壤溫度是溫室環(huán)境控制的主要目標(biāo)，它關(guān)系到發(fā)芽率和苗木的正常生長。實(shí)踐證明，采用電加熱法對局部土壤進(jìn)行加熱是可行的。 </p> <p> 4、電熱泵溫室 </p> <p> 所謂熱泵是將熱量從低溫區(qū)轉(zhuǎn)移到高溫區(qū)的設(shè)備的總稱。熱泵的熱原理與制冷機(jī)基本相同，但其用途和功能恰恰相反。電熱泵溫室是以電為動(dòng)力，將相對低溫環(huán)境的熱量傳遞到相對高溫溫室的一種設(shè)備。白天，環(huán)境溫度高，部分太陽能轉(zhuǎn)化為熱量，對溫室起到加熱作用，使煤耗較其他時(shí)候有所下降。因此，溫室所需的大部分熱量在夜間供應(yīng)。陜西大棚增溫器工作原理</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1957544.html</p></div></div></div></div></div><div id="2ld9cnp" class="page-right twoColRt"><div id="9zglxeq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uegv2a7" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 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