{"id":8598,"date":"2022-05-18T09:16:09","date_gmt":"2022-05-18T07:16:09","guid":{"rendered":"https:\/\/valco.de\/hall-extraction\/"},"modified":"2023-10-09T15:28:05","modified_gmt":"2023-10-09T13:28:05","slug":"hall-extraction","status":"publish","type":"post","link":"https:\/\/valco.de\/en\/hall-extraction\/","title":{"rendered":"Hall extraction"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; header_text_color=&#8221;#003da5&#8243; header_3_font_size=&#8221;23px&#8221; background_layout=&#8221;light&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h1>Hall extraction<\/h1>\n<h3>Air pollution control in production halls<\/h3>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; text_orientation=&#8221;left&#8221; background_layout=&#8221;light&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]Depending on the requirements, a hall extraction system can serve as the primary air pollution control measure in the factory or as a supporting measure to point extraction.<\/p>\n<p>In any case, layer ventilation has proven to be a superior method of hall air purification compared to other methods. This corresponds to the current state of the art. This corresponds to the current state of the art.<\/p>\n<p>Fresh air is supplied via source outlets in the lower area of the hall and rising warm and contaminated air is extracted from above (usually from the hall ceiling). This is particularly illustrated by the experiment conducted by the IFA (formerly BIA &#8211; Berufsgenossenschaftliches Institut f\u00fcr Arbeitsschutz), the video of which you can see below the text.<\/p>\n<p>A positive side effect is that by extracting the warm air and returning it to the room after it has been cleaned in the filter, an even temperature distribution can be achieved in the hall.[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; module_alignment=&#8221;center&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<iframe loading=\"lazy\" width=\"800\" height=\"600\" src=\"https:\/\/www.youtube.com\/embed\/JNeFJ8Ra7Wg\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; text_orientation=&#8221;left&#8221; background_layout=&#8221;light&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h2>Better efficiency through central hall extraction<\/h2>\n<p>Furthermore, the air collection and the air supply should be systematically distributed over the entire hall space with the help of pipelines in order to be fed into a central extraction and filter system and to be returned from there, cleaned. In the vast majority of cases, a central extraction system is the most effective alternative for hall air purification and is far superior to a decentralised solution.<\/p>\n<p>Our wide range of filter systems in combination with our powerful and at the same time quiet centrifugal fans efficiently extract the contaminated air, clean it and &#8211; depending on the circumstances &#8211; it can also be returned to the room. If air recirculation is not desired and heat loss is to be avoided, a heat recovery system can be implemented as part of our holistic system.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/valco.de\/wp-content\/uploads\/Schichtlueftung-scaled.jpg&#8221; alt=&#8221;MAPAS in use&#8221; title_text=&#8221;workshop&#8221; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; background_image=&#8221;https:\/\/valco.de\/wp-content\/uploads\/Hallenabsaugung-scaled.jpg&#8221; parallax=&#8221;on&#8221; width=&#8221;85%&#8221; width_tablet=&#8221;85%&#8221; width_phone=&#8221;85%&#8221; width_last_edited=&#8221;on|desktop&#8221; module_alignment=&#8221;center&#8221; custom_margin=&#8221;|5px||5px|false|true&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; prev_background_color=&#8221;#ffffff&#8221; next_background_color=&#8221;#ffffff&#8221; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#003da5&#8243; custom_padding=&#8221;92px||92px||true|false&#8221; top_divider_style=&#8221;arrow3&#8243; top_divider_height=&#8221;75px&#8221; bottom_divider_style=&#8221;arrow3&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; header_2_text_color=&#8221;#ffffff&#8221; text_orientation=&#8221;left&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h2>Hall extraction at a glance:<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#003da5&#8243; width_tablet=&#8221;&#8221; width_phone=&#8221;100%&#8221; width_last_edited=&#8221;on|phone&#8221; custom_padding=&#8221;|30px||30px|false|true&#8221; border_radii=&#8221;off|||2px|2px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_blurb title=&#8221;Hall extraction works best with layered ventilation&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#x4e;||divi||400&#8243; icon_color=&#8221;#ffffff&#8221; icon_placement=&#8221;left&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; background_layout=&#8221;dark&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_blurb][et_pb_blurb title=&#8221;Effective and efficient hall extraction with VALCO extraction and filter systems&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#x4e;||divi||400&#8243; icon_color=&#8221;#ffffff&#8221; icon_placement=&#8221;left&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; background_layout=&#8221;dark&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_blurb][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_blurb title=&#8221;Centralised systems are far better than decentralised systems&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#x4e;||divi||400&#8243; icon_color=&#8221;#ffffff&#8221; icon_placement=&#8221;left&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; background_layout=&#8221;dark&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_blurb][et_pb_blurb title=&#8221;Use of heat recovery systems or recirculation operation possible&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#x4e;||divi||400&#8243; icon_color=&#8221;#ffffff&#8221; icon_placement=&#8221;left&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; background_layout=&#8221;dark&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_blurb][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_gallery gallery_ids=&#8221;6327,6332,6333,6336&#8243; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_gallery][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_accordion _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_accordion_item title=&#8221;Why is stratified ventilation better suited for hall air purification than other methods?&#8221; open=&#8221;on&#8221; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p>Contaminated hall air naturally rises due to the waste heat from machines. Therefore, the extraction of a layer ventilation from above and the simultaneous supply of fresh air to the lower area of the hall is better suited to support this dynamic. Extraction and fresh air supply from above would disrupt this dynamic.<\/p>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Why is central hall air cleaning more effective than decentralised systems?&#8221; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; open=&#8221;off&#8221;]<\/p>\n<p>Even if decentralised, autonomous plug &amp; play extraction towers give rise to promising hopes, their effectiveness is to be regarded as very low. In most cases, they can be connected to the mains and switched on immediately without any complex planning or pipe installation. However, this quickly brings one to the limits of the physical framework conditions. The further the air collection point is from the contaminated air, the weaker the extraction effect. A much better result is achieved with targeted air routing by means of ducting.<\/p>\n<p>In order to achieve effective hall air purification, there is no way around guiding the process air distributed at several points via a pipe system with the help of a central extraction and filter system. Ideally with layered ventilation.<\/p>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;When can a welding fume extraction system be operated in recirculation mode?&#8221; _builder_version=&#8221;4.17.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; open=&#8221;off&#8221;]<\/p>\n<p>An effective welding fume extraction system, such as VALCO welding fume extraction and filter systems, can also be operated in recirculation mode due to the high degree of separation and the adapted design of the systems. If the welding fumes contain potentially carcinogenic substances, this is only possible with mobile systems with W3 approval. Stationary units must blow out the cleaned air to the outside. To minimise the resulting heat losses, the use of a heat recovery system is recommended.<\/p>\n<p>[\/et_pb_accordion_item][\/et_pb_accordion][et_pb_code _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<script><!-- [et_pb_line_break_holder] -->\tfunction utmtagurl(text) <!-- [et_pb_line_break_holder] -->\t{<!-- [et_pb_line_break_holder] -->\t\t\/* Code for UTM tracking within Google Analytics *\/<!-- [et_pb_line_break_holder] -->\t\tvar urlRegex = \/href=['\"]?([^'\" >]+)\/g;<!-- [et_pb_line_break_holder] -->\t\tvar newtext = text.replace(urlRegex, function(url) {<!-- [et_pb_line_break_holder] -->\t\t\treturn url + '?utm_source=google&utm_medium=organic&utm_campaign=faq';<!-- [et_pb_line_break_holder] -->\t\t});<!-- [et_pb_line_break_holder] -->\t\treturn newtext;<!-- [et_pb_line_break_holder] -->\t}<!-- [et_pb_line_break_holder] -->\tvar count = 0;<!-- [et_pb_line_break_holder] -->\tvar first = '{ \"@context\": \"https:\/\/schema.org\",\"@type\": \"FAQPage\", \"mainEntity\": [';<!-- [et_pb_line_break_holder] -->\tvar last = ']}';<!-- [et_pb_line_break_holder] -->\tvar middle = \"\";<!-- [et_pb_line_break_holder] -->\tvar faqtoggles = document.getElementsByClassName(\"et_pb_toggle\");<!-- [et_pb_line_break_holder] -->\tfor (var faqtoggle in faqtoggles) {<!-- [et_pb_line_break_holder] -->\t\tvar faq = faqtoggles[faqtoggle];<!-- [et_pb_line_break_holder] -->\t\ttry {<!-- [et_pb_line_break_holder] -->\t\t\tvar title = faq.getElementsByClassName(\"et_pb_toggle_title\")[0].innerText;<!-- [et_pb_line_break_holder] -->\t\t\tvar content = utmtagurl(faq.getElementsByClassName(\"et_pb_toggle_content\")[0].getElementsByTagName(\"p\")[0].innerHTML);<!-- [et_pb_line_break_holder] -->\t\t\tif(count == 0){<!-- [et_pb_line_break_holder] -->\t\t\t\tvar obj = '{\"@type\": \"Question\",\"name\": '+JSON.stringify(title)+',\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": '+JSON.stringify(content)+'}}';<!-- [et_pb_line_break_holder] -->\t\t\t}<!-- [et_pb_line_break_holder] -->\t\t\telse{<!-- [et_pb_line_break_holder] -->\t\t\t\tvar obj = ',{\"@type\": \"Question\",\"name\": '+JSON.stringify(title)+',\"acceptedAnswer\": {\"@type\": \"Answer\",\"text\": '+JSON.stringify(content)+'}}';<!-- [et_pb_line_break_holder] -->\t\t\t}<!-- [et_pb_line_break_holder] -->\t\t\tvar middle = middle+obj;<!-- [et_pb_line_break_holder] -->\t\t\tvar count = count + 1;<!-- [et_pb_line_break_holder] -->\t\t}<!-- [et_pb_line_break_holder] -->\t\tcatch (e) <!-- [et_pb_line_break_holder] -->\t\t{<!-- [et_pb_line_break_holder] -->\t\t\t\/* do nothing *\/<!-- [et_pb_line_break_holder] -->\t\t\t\/* console.error(e); 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custom_margin_phone=&#8221;&#8221; custom_margin_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; header_text_color=&#8221;#003da5&#8243; header_font_size=&#8221;39px&#8221; header_4_text_color=&#8221;#333333&#8243; text_orientation=&#8221;left&#8221; background_layout=&#8221;light&#8221; header_font_size_last_edited=&#8221;off|desktop&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h2>Engineering of complete plants<\/h2>\n<h4>Tailored to your specific requirements<\/h4>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; admin_label=&#8221;ENG module&#8221; 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