CN107477639B - A kind of fixed device of flue groove type - Google Patents
A kind of fixed device of flue groove type Download PDFInfo
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- CN107477639B CN107477639B CN201710829201.6A CN201710829201A CN107477639B CN 107477639 B CN107477639 B CN 107477639B CN 201710829201 A CN201710829201 A CN 201710829201A CN 107477639 B CN107477639 B CN 107477639B
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- 239000007789 gas Substances 0.000 claims abstract description 23
- 239000003517 fume Substances 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 13
- 239000002912 waste gas Substances 0.000 abstract description 8
- 238000010411 cooking Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000003915 air pollution Methods 0.000 abstract description 3
- 239000004071 soot Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 11
- 239000003921 oil Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 235000021190 leftovers Nutrition 0.000 description 4
- 239000000779 smoke Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000003905 indoor air pollution Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000010742 number 1 fuel oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
- Ventilation (AREA)
Abstract
本发明公开了一种烟道凹槽型固定装置，包括直角弯头、总烟道固定部、分烟道固定部，其特征在于，所述直角弯头内侧的拐角处具有两个凹槽，还公开了一种采用该烟道凹槽型固定装置进行烟道固定的多灶具油烟废气收集装置。本发明可以将各个燃气灶的抽油烟机抽出的油烟废气集中收集处理后在排放如大气中，这样大大提高了排放效率并大大降低了空气污染；同时便于烟道的维修、清洁和可靠固定；能够防止分烟道固定部从直角弯头中脱出或脱落，还方便直角弯头采用钣金件加工成型，并避免浪费过多的边角料。
The invention discloses a flue groove type fixing device, which includes a right-angle elbow, a main flue fixing part, and a sub-flue fixing part, and is characterized in that there are two grooves at the inner corner of the right-angle elbow, Also disclosed is a multi-cooker cooking fume waste gas collection device which adopts the flue groove type fixing device to fix the flue. The present invention can centrally collect and treat the soot waste gas extracted from the range hoods of each gas stove, and then discharge it into the atmosphere, which greatly improves the emission efficiency and greatly reduces air pollution; meanwhile, it is convenient for the maintenance, cleaning and reliable fixing of the flue; It can prevent the fixing part of the flue branch from coming out or falling off from the right-angle elbow, and it is also convenient for the right-angle elbow to be processed and formed by sheet metal parts, and avoiding excessive waste of leftover materials.
Description
技术领域technical field
本发明涉及一种燃气灶油烟废气收集装置的烟道，尤其是一种多灶具油烟废气收集装置的烟道凹槽型固定装置。The invention relates to a flue of a gas stove oil fume waste gas collection device, in particular to a flue flue groove type fixing device of a multi-cooker oil fume waste gas collection device.
背景技术Background technique
近几年，随着人们生活水平的提高，家用灶具数量得到迅速增加，并且还在以每年大约7％的速度增加。目前市场上出现的家用燃气灶种类居多，让人们目不暇接。而这些燃气灶虽然有着美观大方符合整体厨房观念的优点，但是也有着热效率普遍不高，烟气中有害气体含量较高等缺点。为此人们发明了抽油烟机，但抽油烟机对烟气的排出通常直接通过软管排到大气中，没有经过进一步的处理，从而对大气产生了一定的污染。In recent years, with the improvement of people's living standards, the number of household stoves has increased rapidly, and is still increasing at a rate of about 7% per year. There are many types of household gas stoves on the market at present, which makes people dizzy. Although these gas stoves have the advantages of being elegant in appearance and conforming to the overall kitchen concept, they also have the disadvantages of generally low thermal efficiency and high harmful gas content in the flue gas. People have invented range hoods for this reason, but range hoods are usually directly discharged into the atmosphere through hoses to the discharge of flue gas without further treatment, thereby causing certain pollution to the atmosphere.
厨房是住宅的基本组成部分，是人们进行炊事活动的主要场所。由于各种民用燃料燃烧、烹调油烟及生活垃圾等使厨房成为住宅的“重灾区”，厨房也成为民居室内空气污染的重要来源之一。厨房废气是厨房中最主要的污染气体，它包括两种：一是燃料燃烧过程释放的废气，二是食物及油脂在高温下进行一系列物理化学变化所产生的物质。两种物质在空间混合并迅速扩散，危害人的身心健康。而在饭店或食堂中，由于就餐人数较多，通常需要同时对多个燃气灶进行操作，为此产生的油烟和烟气更多，而产生的油烟和烟气通常仅有一台抽油烟机进行抽吸后就直接排入到大气当中，造成了对大气的污染，同时还严重损害了操作人员的身体健康。The kitchen is a basic part of the house and the main place for people to cook. Due to the burning of various civil fuels, cooking fume and domestic garbage, the kitchen has become the "hardest hit area" of the residence, and the kitchen has also become one of the important sources of indoor air pollution in residential buildings. Kitchen exhaust gas is the main polluting gas in the kitchen. It includes two types: one is the exhaust gas released during the fuel combustion process, and the other is the substances produced by a series of physical and chemical changes of food and oil at high temperature. The two substances mix and spread rapidly in space, endangering people's physical and mental health. However, in restaurants or canteens, due to the large number of people eating, it is usually necessary to operate multiple gas stoves at the same time, which produces more oil fume and smoke, and usually only one range hood is used for the oil fume and smoke produced. After suction, it is directly discharged into the atmosphere, causing pollution to the atmosphere and seriously damaging the health of the operators.
目前现有技术中还没有将各家各户的厨房烟道或各个燃气灶的烟道集中在一起，而且在集成烟道的安装过程中，现有技术通常仅仅通过焊接或插接的简单连接手段将各个烟道拼装在一起，这种固定方式虽然简单但没有考虑到烟道之间的密封和牢靠问题，同时由于拼装部分的角度通常为直角，这样在烟道的拼装中若采用焊接等不可拆卸连接方式进行固定，则在维修、和烟道清洁过程中必然不存在不方便的问题，而若采用简单拼装或拼插的方式，则有会存在不能可靠固定的问题。At present, the kitchen flue of each household or the flue of each gas stove has not been integrated together in the prior art, and in the installation process of the integrated flue, the prior art usually only connects through simple welding or plugging. Assembling each flue together by means, although this fixing method is simple, it does not take into account the sealing and firmness of the flue, and because the angle of the assembled part is usually a right angle, if welding, etc. are used in the assembly of the flue If it is fixed by non-detachable connection, there will be no inconvenience in the process of maintenance and flue cleaning, but if simple assembly or plug-in is used, there will be problems that cannot be fixed reliably.
为此，图1所示是之前曾提出一种多灶具油烟废气收集装置的烟道固定装置整体结构图，包括直角弯头23、总烟道固定部24、分烟道固定部25，所述直角弯头23包括竖直卡槽26和水平卡槽27，所述竖直卡槽26和水平卡槽27可采用一体方式成型(如钣金)也可采用分体拼装(如焊接)连接，所述竖直卡槽26上设有第一安装孔28，所述第一安装孔28上设置第一垫圈29和第一螺钉30(也可采用螺栓或膨胀螺栓)，所述第一螺钉30穿过所述第一垫圈29和第一安装孔28后将所述竖直卡槽26与所述总烟道固定部24可拆卸地连接在一起并将两者固定在厨房的墙壁上；所述水平卡槽27上第二安装孔31，所述第二安装孔31上设置第二垫圈32和第二螺钉33，所述第二螺钉33穿过所述第二垫圈32和第二安装孔31后将所述水平卡槽27和所述分烟道固定部25可拆卸地连接在一起；所述总烟道固定部24包括总烟道固定部第一侧面34，总烟道固定部第二侧面35，总烟道固定部第三侧面36，所述总烟道固定部第一侧面34、总烟道固定部第二侧面35、总烟道固定部第三侧面36可采用一体方式成型(如钣金)也可采用分体拼装(如焊接)连接，所述总烟道固定部第一侧面34远离所述总烟道固定部第二侧面35的端面具有向内弯折的总烟道固定部第一卡边37，所述总烟道固定部第三侧面36远离所述总烟道固定部第二侧面35的端面具有向内弯折的总烟道固定部第二卡边38，所述总烟道固定部第一卡边37和所述总烟道固定部第二卡边38呈对称布置，所述总烟道固定部24通过所述总烟道固定部第一卡边37和所述总烟道固定部第二卡边38可拆卸的安装在所述直角弯头23的竖直卡槽26上，所述总烟道可拆卸的固定在所述总烟道固定部24的卡槽中(图中未示出，但本领域技术人员可以明了)；所述分烟道固定部25包括分烟道固定部第一侧面39，分烟道固定部第二侧面40，分烟道固定部第三侧面41，所述分烟道固定部第一侧面39、分烟道固定部第二侧面40、分烟道固定部第三侧面41可采用一体方式成型(如钣金)也可采用分体拼装(如焊接)连接，所述分烟道固定部第一侧面39远离所述分烟道固定部第二侧面40的端面具有向内弯折的分烟道固定部第一卡边42，所述分烟道固定部第三侧面41远离所述分烟道固定部第二侧面40的端面具有向内弯折的分烟道固定部第二卡边43，所述分烟道固定部第一卡边42和所述分烟道固定部第二卡边43呈对称布置，所述分烟道固定部25通过所述分烟道固定部第一卡边42和所述分烟道固定部第二卡边43可拆卸的安装在所述直角弯头23的水平卡槽27上，所述分烟道可拆卸的固定在所述分烟道固定部25的卡槽中(图中未示出，但本领域技术人员可以明了)。For this reason, Fig. 1 shows the overall structural diagram of the flue fixing device of a multi-cooker oil fume and waste gas collection device previously proposed, including a right-angle elbow 23, a main flue fixing part 24, and a sub-flue fixing part 25. Right-angle elbow 23 comprises vertical draw-in groove 26 and horizontal draw-in groove 27, and described vertical draw-in groove 26 and horizontal draw-in groove 27 can adopt integrated mode forming (as sheet metal) also can adopt split assembly (as welding) to connect, The first mounting hole 28 is provided on the vertical draw-in groove 26, and the first washer 29 and the first screw 30 (bolts or expansion bolts can also be used) are arranged on the first mounting hole 28, and the first screw 30 After passing through the first washer 29 and the first installation hole 28, the vertical slot 26 and the general flue fixing part 24 are detachably connected together and fixed on the wall of the kitchen; The second mounting hole 31 on the horizontal slot 27, the second mounting hole 31 is provided with a second washer 32 and a second screw 33, and the second screw 33 passes through the second washer 32 and the second mounting hole 31, the horizontal slot 27 and the sub-flue fixing part 25 are detachably connected together; the total flue fixing part 24 includes the first side 34 of the total flue fixing part, and the second Two side surfaces 35, the third side 36 of the total flue fixing part, the first side 34 of the total flue fixing part, the second side 35 of the total flue fixing part, and the third side 36 of the total flue fixing part can be integrally formed (such as sheet metal) can also be connected by split assembly (such as welding). The first card edge 37 of the channel fixing part, and the end surface of the third side 36 of the total gas channel fixing part away from the second side 35 of the total channel fixing part has a second card edge 38 of the total channel fixing part bent inward , the first card edge 37 of the general flue fixing part and the second card edge 38 of the total flue fixing part are symmetrically arranged, and the total flue fixing part 24 passes through the first card edge of the general flue fixing part 37 and the second card edge 38 of the main flue fixing part are detachably installed on the vertical slot 26 of the right angle elbow 23, and the main flue is detachably fixed on the main flue fixing part 24 in the draw-in groove (not shown in the figure, but those skilled in the art can be clear); Described branch flue fixing part 25 comprises branch flue fixing part first side 39, divides flue fixing part second side 40, The third side 41 of the sub-flue fixing part, the first side 39 of the sub-flue fixing part, the second side 40 of the sub-flue fixing part, and the third side 41 of the sub-flue fixing part can be integrally formed (such as sheet metal ) can also be connected by separate assembly (such as welding), and the end surface of the first side 39 of the sub-flue fixing part away from the second side 40 of the sub-flue fixing part has a first side of the sub-flue fixing part bent inward. A card edge 42, the end surface of the third side 41 of the sub-channel fixing part away from the second side 40 of the part-channel fixing part has a second card edge 43 bent inwardly, the part-channel fixing part The first card edge 42 of the flue fixing part and the second card edge 43 of the sub-flue fixing part are arranged symmetrically, so The sub-flue fixing part 25 is detachably mounted on the horizontal slot 27 of the right-angle elbow 23 through the first card edge 42 of the sub-flue fixing part and the second card edge 43 of the sub-flue fixing part. , the sub-flue is detachably fixed in the slot of the sub-flue fixing part 25 (not shown in the figure, but those skilled in the art can understand).
这一烟道固定装置能够较好的解决维修拆卸和可靠固定的问题，但在实际安装过程中发现，该烟道固定装置的分烟道固定部25和直角弯头23仅仅靠螺钉33固定，一旦螺钉安装的不够结实，就会在一定程度上造成分烟道固定部25和直角弯头23容易脱出的问题，从而影响了安装和使用效果；而且直角弯头在加工过程中还存在着较为浪费材料的问题。This flue fixing device can better solve the problems of maintenance, disassembly and reliable fixing, but it is found in the actual installation process that the sub-flue fixing part 25 and the right angle elbow 23 of the flue fixing device are only fixed by screws 33, Once the screws are not installed firmly enough, it will cause the problem that the sub-flue fixing part 25 and the right-angle elbow 23 are easy to come out to a certain extent, thereby affecting the installation and use effect; The problem of wasting material.
发明内容Contents of the invention
本发明根据多年研究，创造性的对燃气灶的烟道的结构做出改进，为此针对现有技术的不足，在抽烟机上方设置烟道，并将各家各户的厨房烟道或各个燃气灶的烟道通过一根沿着厨房墙壁竖直安装的管道集中在一起，而后进行集中处理后排出。Based on many years of research, the present invention creatively improves the structure of the flue of the gas stove. For this purpose, a flue is set above the range hood to address the deficiencies of the prior art, and the kitchen flue of each household or each gas The flue of the stove is gathered together through a pipe installed vertically along the kitchen wall, and then discharged after centralized treatment.
进一步地，本发明的另一发明目的还在于提供了一种烟道凹槽型固定装置，能够可靠、方便的对烟道进行固定，并便于烟道的拆卸、维修和清洁等后续工作。Furthermore, another object of the present invention is to provide a flue groove-type fixing device, which can reliably and conveniently fix the flue, and facilitate follow-up work such as disassembly, maintenance and cleaning of the flue.
进一步地，本发明的再一发明目的还在于提供了一种烟道凹槽型固定装置，其能够防止分烟道固定部从直角弯头中脱出或脱落的问题。Further, another object of the present invention is to provide a flue groove-type fixing device, which can prevent the problem that the fixing part of the flue branch is detached or falls off from the right-angle elbow.
进一步地，本发明的再一发明目的还在于提供了一种烟道凹槽型固定装置，其能够方便直角弯头采用钣金件加工成型，并避免浪费过多的边角料。Furthermore, another object of the present invention is to provide a flue groove-type fixing device, which can facilitate the right-angle elbow to be formed by sheet metal parts, and avoid wasting too much leftover material.
为实现该技术目的，本发明采用的技术方案是：一种多灶具油烟废气收集装置1，包括总烟道2、第一转接头3、分烟道4、第二转接头5、集风壳6、软管7、抽油烟机8、抽油烟机安装板9、分隔板10；所述抽油烟机为偶数个，分别布置在所述分隔板10的两侧，所述分隔板10可以为实体墙或钣金或金属板或防火材质的板件；所述每一个抽油烟机8分别安装在各自对应的抽油烟机安装板9上，所述抽油烟机安装板9下方开设有抽油烟吸风口(图中未示出，但本领域技术人员可以明了)，所述抽油烟机出风口与所述软管7的一端连接，所述软管7的另一端与所述集风壳6连接，所述集风壳6的出风口通过第二转接头5连接在所述分烟道4上，所述分烟道4的出风口端通过第一转接头3连接在所述总烟道2上。In order to achieve this technical purpose, the technical solution adopted by the present invention is: a multi-cooker cooking fume exhaust gas collection device 1, including a main flue 2, a first adapter 3, a branch flue 4, a second adapter 5, and an air collecting shell 6. Hose 7, range hood 8, range hood mounting plate 9, partition plate 10; the range hood is an even number, arranged on both sides of the partition plate 10, the partition plate 10 can be a solid wall or a sheet metal or metal plate or a plate made of fireproof material; each of the range hoods 8 is installed on the corresponding range hood mounting plate 9 respectively, and the range hood mounting plate 9 is provided below There is a range hood air outlet (not shown in the figure, but those skilled in the art can understand), the range hood air outlet is connected with one end of the flexible pipe 7, and the other end of the flexible pipe 7 is connected with the collector. The wind shell 6 is connected, and the air outlet of the air collecting shell 6 is connected to the branch flue 4 through the second adapter 5, and the air outlet end of the branch flue 4 is connected to the air outlet through the first adapter 3. Main flue 2 on.
所述总烟道2的出风端设置有吸附装置(图中未示出)，油烟废气经过吸附装置吸附处理后排入大气中。The air outlet end of the total flue 2 is provided with an adsorption device (not shown in the figure), and the oil fume waste gas is discharged into the atmosphere after being adsorbed by the adsorption device.
所述抽油烟机8的出风部分设置过滤吸附装置21，所述过滤吸附装置21内装有吸附材料(本领域技术人员能够明了)，所述过滤吸附装置设有开口并与所述软管7的一端连接；所述软管7的另一端设有第三转接头19，所述第三转接头19内部设置有第三转接头风扇18，所述第三转接头19通过第三转接头安装板20固定在所述集风壳6的第三转接头安装孔17上，所述集风壳6还开设有过滤孔12，所述过滤孔内侧设置过滤材料(如无纺布)，所述集风壳6与所述第二转接头5连接，所述第二转接头5通过第二转接头安装孔15安装在所述分烟道4上，所述第二转接头5内部设有第二转接头风扇16，所述第二转接头风扇16通过第二转接头风扇安装部22安装在所述第二转接头5内部；所述第一转接头3通过第一转接头左侧安装孔13和第一转接头右侧安装孔14将所述分烟道4与所述总烟道2连接在一起，所述第一转接头3内部还设有第一转接头风扇12，所述总烟道2固定安装在墙壁上。The air outlet part of the range hood 8 is provided with a filter adsorption device 21, the filter adsorption device 21 is equipped with an adsorption material (those skilled in the art can understand), the filter adsorption device is provided with an opening and is connected to the flexible pipe 7 The other end of the hose 7 is provided with a third adapter 19, the third adapter 19 is provided with a third adapter fan 18, and the third adapter 19 is installed through the third adapter The plate 20 is fixed on the third adapter mounting hole 17 of the wind collecting shell 6, and the wind collecting shell 6 is also provided with a filter hole 12, and a filter material (such as non-woven fabric) is arranged inside the filter hole, and the The air collecting case 6 is connected with the second adapter 5, the second adapter 5 is installed on the branch flue 4 through the second adapter mounting hole 15, and the second adapter 5 is provided with a second Two adapter fans 16, the second adapter fan 16 is installed inside the second adapter fan 5 through the second adapter fan installation part 22; the first adapter 3 passes through the left mounting hole of the first adapter 13 and the right mounting hole 14 of the first adapter connect the branch flue 4 with the main flue 2, and the first adapter fan 12 is also arranged inside the first adapter 3, and the main flue The flue 2 is fixedly installed on the wall.
本发明还提供了一种烟道凹槽型固定装置，包括直角弯头、总烟道固定部、分烟道固定部，所述直角弯头内侧的拐角处具有两个凹槽；The present invention also provides a flue groove-type fixing device, which includes a right-angle elbow, a main flue fixing part, and a sub-flue fixing part, and two grooves are provided at the inner corner of the right-angle elbow;
进一步地，一种烟道凹槽型固定装置，包括直角弯头44、总烟道固定部(图中未示出，但本领域技术人员可以明了)、分烟道固定部45，所述直角弯头44包括竖直卡槽和水平卡槽，所述竖直卡槽和水平卡槽可采用一体方式成型(如钣金)也可采用分体拼装(如焊接)连接，所述竖直卡槽上设有第一安装孔46，所述第一安装孔46上设置第一垫圈和第一螺钉(也可采用螺栓或膨胀螺栓，图中未示出，但本领域技术人员可以明了)，所述第一螺钉穿过所述第一垫圈和第一安装孔后将所述竖直卡槽与所述总烟道固定部可拆卸地连接在一起并将两者固定在厨房的墙壁上；所述水平卡槽上第二安装孔47，所述第二安装孔47上设置第二垫圈和第二螺钉(图中未示出，但本领域技术人员可以明了)，所述第二螺钉穿过所述第二垫圈和第二安装孔后将所述水平卡槽和所述分烟道固定部可拆卸地连接在一起；Further, a flue groove type fixing device includes a right-angled elbow 44, a total flue fixing part (not shown in the figure, but those skilled in the art can understand it), and a branch flue fixing part 45. The right angle Elbow 44 comprises vertical draw-in groove and horizontal draw-in groove, described vertical draw-in groove and horizontal draw-in groove can adopt integrated mode molding (as sheet metal) also can adopt split assembly (as welding) to connect, described vertical draw-in groove A first installation hole 46 is provided on the groove, and a first washer and a first screw are arranged on the first installation hole 46 (bolts or expansion bolts can also be used, not shown in the figure, but those skilled in the art can understand), After passing through the first washer and the first installation hole, the first screw detachably connects the vertical slot and the general flue fixing part together and fixes both on the wall of the kitchen; A second mounting hole 47 is provided on the horizontal draw-in groove, and a second washer and a second screw (not shown in the figure, but can be understood by those skilled in the art) are arranged on the second mounting hole 47, and the second screw penetrates After passing through the second washer and the second installation hole, the horizontal card slot and the fixed part of the branch flue are detachably connected together;
所述直角弯头44包括直角弯头第一侧面48，直角弯头第二侧面49，直角弯头第三侧面50，水平卡槽盖板51，所述直角弯头第一侧面48具有第一凹槽53，所述直角弯头第三侧面50具有第二凹槽54，所述第一凹槽53和所述第二凹槽54关于所述直角弯头第二侧面49的中心线呈对称设置，所述第一凹槽53和所述第二凹槽54设置在所述竖直卡槽和水平卡槽交界处；The right-angle elbow 44 includes a first side 48 of the right-angle elbow, a second side 49 of the right-angle elbow, a third side 50 of the right-angle elbow, and a horizontal slot cover 51. The first side 48 of the right-angle elbow has a first Groove 53, the third side 50 of the right-angle elbow has a second groove 54, the first groove 53 and the second groove 54 are symmetrical about the center line of the second side 49 of the right-angle elbow Setting, the first groove 53 and the second groove 54 are arranged at the junction of the vertical groove and the horizontal groove;
所述分烟道固定部45包括分烟道固定部第一侧面55，分烟道固定部第二侧面56，分烟道固定部第三侧面57，所述分烟道固定部第一侧面55、分烟道固定部第二侧面56、分烟道固定部第三侧面57可采用一体方式成型(如钣金)也可采用分体拼装(如焊接)连接，所述分烟道固定部第一侧面55远离所述分烟道固定部第二侧面56的端面具有向内弯折的分烟道固定部第一卡边58，所述分烟道固定部第三侧面57远离所述分烟道固定部第二侧面56的端面具有向内弯折的分烟道固定部第二卡边59，所述分烟道固定部第一卡边58和所述分烟道固定部第二卡边59呈对称布置，所述分烟道固定部45通过所述分烟道固定部第一卡边58和所述分烟道固定部第二卡边59可拆卸的安装在所述直角弯头的水平卡槽上，所述分烟道可拆卸的固定在所述分烟道固定部的卡槽中(图中未示出，但本领域技术人员可以明了)；The sub-flue fixing part 45 includes the first side 55 of the sub-flue fixing part, the second side 56 of the sub-flue fixing part, the third side 57 of the sub-flue fixing part, and the first side 55 of the sub-flue fixing part. , the second side 56 of the sub-flue fixing part, and the third side 57 of the sub-flue fixing part can be integrally formed (such as sheet metal) or can be connected by split assembly (such as welding). The end surface of one side 55 away from the second side 56 of the sub-channel fixing part has a first card edge 58 of the sub-channel fixing part bent inward, and the third side 57 of the sub-channel fixing part is far away from the sub-channel fixing part. The end surface of the second side surface 56 of the channel fixing part has a second card edge 59 of the sub-channel fixing part bent inward, and the first card edge 58 of the channel fixing part and the second card edge of the channel fixing part 59 are arranged symmetrically, and the fixed part of the flue branch 45 is detachably installed on the right-angle elbow through the first edge 58 of the fixed part of the flue branch and the second card edge 59 of the fixed part of the flue branch. On the horizontal slot, the sub-flue is detachably fixed in the slot of the fixing part of the sub-flue (not shown in the figure, but those skilled in the art can understand);
尤其是，其中所述分烟道固定部45的分烟道固定部第二侧面56靠近所述总烟道固定部的一端具有向外的弯折60，所述弯折60形成卡接部61，所述弯折60恰好能够容纳在所述第一凹槽53和所述第二凹槽54形成的空间中，所述卡接部61形成的角度恰好卡接住所述水平卡槽盖板51靠近所述竖直卡槽的端部。In particular, the second side surface 56 of the sub-channel fixing part 45 of the sub-channel fixing part 45 has an outward bend 60 at an end close to the main flue fixing part, and the bend 60 forms a snap-in part 61 , the bend 60 can just be accommodated in the space formed by the first groove 53 and the second groove 54, and the angle formed by the engaging part 61 is just enough to catch the horizontal groove cover 51 is close to the end of the vertical slot.
所述总烟道固定部包括总烟道固定部第一侧面，总烟道固定部第二侧面，总烟道固定部第三侧面，所述总烟道固定部第一侧面、总烟道固定部第二侧面、总烟道固定部第三侧面可采用一体方式成型(如钣金)也可采用分体拼装(如焊接)连接，所述总烟道固定部第一侧面远离所述总烟道固定部第二侧面的端面具有向内弯折的总烟道固定部第一卡边，所述总烟道固定部第三侧面远离所述总烟道固定部第二侧面的端面具有向内弯折的总烟道固定部第二卡边，所述总烟道固定部第一卡边和所述总烟道固定部第二卡边呈对称布置，所述总烟道固定部通过所述总烟道固定部第一卡边和所述总烟道固定部第二卡边可拆卸的安装在所述直角弯头的竖直卡槽上，所述总烟道可拆卸的固定在所述总烟道固定部的卡槽中(图中未示出，但本领域技术人员可以明了)；The total flue fixing part includes the first side of the total flue fixing part, the second side of the total flue fixing part, the third side of the total flue fixing part, the first side of the total flue fixing part, the fixing of the total flue The second side of the main flue fixing part and the third side of the main flue fixing part can be integrally formed (such as sheet metal) or connected by split assembly (such as welding). The first side of the main flue fixing part is far away from the main flue The end surface of the second side of the channel fixing part has a first card edge of the total flue fixing part bent inward, and the end surface of the third side of the total flue fixing part far away from the second side of the total flue fixing part has an inward The bent second card edge of the total flue fixing part, the first card edge of the total flue fixing part and the second card edge of the total flue fixing part are symmetrically arranged, and the total flue fixing part passes through the The first card edge of the total flue fixing part and the second card edge of the total flue fixing part are detachably installed on the vertical slot of the right-angle elbow, and the total flue is detachably fixed on the In the card slot of the total flue fixing part (not shown in the figure, but those skilled in the art can understand);
与现有技术相比，本发明的有益效果是：可以将各个燃气灶的抽油烟机抽出的油烟废气集中收集处理后在排放如大气中，这样大大提高了排放效率并大大降低了空气污染；便于烟道的维修、清洁和可靠固定；能够防止分烟道固定部从直角弯头中脱出或脱落，还方便直角弯头采用钣金件加工成型，并避免浪费过多的边角料。Compared with the prior art, the beneficial effect of the present invention is that the exhaust fumes extracted from the range hoods of each gas stove can be collected and processed in a centralized manner and discharged into the atmosphere, which greatly improves the emission efficiency and greatly reduces air pollution; It is convenient for the maintenance, cleaning and reliable fixing of the flue; it can prevent the fixed part of the flue from coming out or falling off from the right-angle elbow, and it is also convenient for the right-angle elbow to be formed by sheet metal parts, and avoid wasting too much leftover material.
附图说明Description of drawings
图1为背景技术中的烟道固定装置整体结构图；Fig. 1 is the overall structural diagram of the flue fixing device in the background technology;
图2为本发明的多灶具油烟废气收集装置整体结构图；Fig. 2 is an overall structural diagram of the multi-cooker cooking fume exhaust gas collection device of the present invention;
图3为本发明的多灶具油烟废气收集装置俯视剖面图；Fig. 3 is a top sectional view of the multi-cooker cooking fume exhaust gas collection device of the present invention;
图4是图2中的圆形所圈出的本发明的烟道凹槽型固定装置整体结构图；Fig. 4 is the overall structural diagram of the flue groove type fixing device of the present invention circled by the circle in Fig. 2;
图5是本发明的烟道凹槽型固定装置的直角弯头的结构图；Fig. 5 is a structural diagram of a right-angle elbow of the flue groove type fixing device of the present invention;
图6是本发明的烟道凹槽型固定装置的直角弯头的分烟道固定部的结构示意图。Fig. 6 is a structural schematic diagram of the flue-divided fixing part of the right-angle elbow of the flue groove type fixing device of the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
需要注意的是，本发明中提及的各安装方式、通信协议及各技术术语，都是所属技术领域中早已明确知晓的技术用语，故不再做过多解释。It should be noted that the various installation methods, communication protocols, and various technical terms mentioned in the present invention are all technical terms that have already been clearly known in the technical field, so they will not be explained too much.
实施例一：Embodiment one:
如图2所示，一种多灶具油烟废气收集装置1，包括总烟道2、第一转接头3、分烟道4、第二转接头5、集风壳6、软管7、抽油烟机8、抽油烟机安装板9、分隔板10；所述抽油烟机为偶数个，分别布置在所述分隔板10的两侧，所述分隔板10可以为实体墙或钣金或金属板或防火材质的板件；所述每一个抽油烟机8分别安装在各自对应的抽油烟机安装板9上，所述抽油烟机安装板9下方开设有抽油烟吸风口(图中未示出，但本领域技术人员可以明了)，所述抽油烟机出风口与所述软管7的一端连接，所述软管7的另一端与所述集风壳6连接，所述集风壳6的出风口通过第二转接头5连接在所述分烟道4上，所述分烟道4的出风口端通过第一转接头3连接在所述总烟道2上。As shown in Figure 2, a multi-cooker cooking fume exhaust gas collection device 1 includes a main flue 2, a first adapter 3, a branch flue 4, a second adapter 5, an air collecting shell 6, a hose 7, and a range fume 8, range hood mounting plate 9, partition plate 10; the range hood is an even number, respectively arranged on both sides of the partition plate 10, the partition plate 10 can be a solid wall or sheet metal Or a metal plate or a plate made of fireproof material; each of the range hoods 8 is installed on the corresponding range hood mounting plate 9 respectively, and a range hood suction port is provided below the range hood mounting plate 9 (in the figure not shown, but those skilled in the art can understand), the air outlet of the range hood is connected with one end of the flexible pipe 7, and the other end of the flexible pipe 7 is connected with the air collecting shell 6, and the collecting The air outlet of the air casing 6 is connected to the branch flue 4 through the second adapter 5 , and the air outlet end of the branch flue 4 is connected to the main flue 2 through the first adapter 3 .
所述总烟道2的出风端设置有吸附装置(图中未示出)，油烟废气经过吸附装置吸附处理后排入大气中。The air outlet end of the total flue 2 is provided with an adsorption device (not shown in the figure), and the oil fume waste gas is discharged into the atmosphere after being adsorbed by the adsorption device.
如图3所示，所述抽油烟机8的出风部分设置过滤吸附装置21，所述过滤吸附装置21内装有吸附材料(本领域技术人员能够明了)，所述过滤吸附装置设有开口并与所述软管7的一端连接；所述软管7的另一端设有第三转接头19，所述第三转接头19内部设置有第三转接头风扇18，所述第三转接头19通过第三转接头安装板20固定在所述集风壳6的第三转接头安装孔17上，所述集风壳6还开设有过滤孔12，所述过滤孔内侧设置过滤材料(如无纺布)，所述集风壳6与所述第二转接头5连接，所述第二转接头5通过第二转接头安装孔15安装在所述分烟道4上，所述第二转接头5内部设有第二转接头风扇16，所述第二转接头风扇16通过第二转接头风扇安装部22安装在所述第二转接头5内部；所述第一转接头3通过第一转接头左侧安装孔13和第一转接头右侧安装孔14将所述分烟道4与所述总烟道2连接在一起，所述第一转接头3内部还设有第一转接头风扇12，所述总烟道2固定安装在墙壁上。As shown in Figure 3, the air outlet part of the range hood 8 is provided with a filter and adsorption device 21, and the filter and adsorption device 21 is equipped with an adsorption material (those skilled in the art can understand), and the filter and adsorption device is provided with an opening and It is connected with one end of the hose 7; the other end of the hose 7 is provided with a third adapter 19, and the third adapter fan 18 is arranged inside the third adapter 19, and the third adapter 19 The third adapter mounting plate 20 is fixed on the third adapter mounting hole 17 of the wind-collecting case 6, and the wind-collecting case 6 is also provided with a filter hole 12, and filter material (such as no filter hole) is set inside the filter hole. woven fabric), the wind collecting shell 6 is connected to the second adapter 5, the second adapter 5 is installed on the branch flue 4 through the second adapter installation hole 15, and the second adapter The inside of the joint 5 is provided with a second adapter fan 16, and the second adapter fan 16 is installed inside the second adapter 5 through the second adapter fan installation part 22; the first adapter 3 passes through the first The mounting hole 13 on the left side of the adapter and the mounting hole 14 on the right side of the first adapter connect the branch flue 4 with the main flue 2, and the first adapter 3 is also provided with a first adapter Fan 12, said total flue 2 is fixedly installed on the wall.
抽油烟机的油烟废气经过抽吸汇总后汇入总烟道中，但还有部分气体可能逃逸，为此在集风壳6上开设滤孔12，所述过滤孔内侧设置过滤材料(如无纺布)，并通过各个风扇的抽吸排风作用进一步将厨房内的油烟烟气进行排出，这一结构创造性的优化和强化了排风效果。The fume waste gas of the range hood is collected in the general flue after being sucked and collected, but some gas may escape, so a filter hole 12 is provided on the air collecting shell 6 for this reason, and a filter material (such as a non-woven fabric) is arranged inside the filter hole. Cloth), and through the suction and exhaust function of each fan to further discharge the fume and smoke in the kitchen, this structure creatively optimizes and strengthens the exhaust effect.
参阅图4-6，一种烟道凹槽型固定装置，包括直角弯头44、总烟道固定部(图中未示出，但本领域技术人员可以明了)、分烟道固定部45，所述直角弯头44包括竖直卡槽和水平卡槽，所述竖直卡槽和水平卡槽可采用一体方式成型(如钣金)也可采用分体拼装(如焊接)连接，所述竖直卡槽上设有第一安装孔46，所述第一安装孔46上设置第一垫圈和第一螺钉(也可采用螺栓或膨胀螺栓，图中未示出，但本领域技术人员可以明了)，所述第一螺钉穿过所述第一垫圈和第一安装孔后将所述竖直卡槽与所述总烟道固定部可拆卸地连接在一起并将两者固定在厨房的墙壁上；所述水平卡槽上第二安装孔47，所述第二安装孔47上设置第二垫圈和第二螺钉(图中未示出，但本领域技术人员可以明了)，所述第二螺钉穿过所述第二垫圈和第二安装孔后将所述水平卡槽和所述分烟道固定部可拆卸地连接在一起；Referring to Figures 4-6, a flue groove-type fixing device includes a right-angle elbow 44, a total flue fixing part (not shown in the figure, but those skilled in the art can understand), a branch flue fixing part 45, Described right-angle elbow 44 comprises vertical draw-in groove and horizontal draw-in groove, and described vertical draw-in groove and horizontal draw-in groove can adopt integrated way forming (such as sheet metal) also can adopt split assembly (such as welding) to connect, described The vertical draw-in slot is provided with a first mounting hole 46, and a first washer and a first screw are arranged on the first mounting hole 46 (bolts or expansion bolts can also be used, not shown in the figure, but those skilled in the art can clear), the first screw passes through the first washer and the first installation hole to detachably connect the vertical slot and the general flue fixing part and fix the two on the kitchen On the wall; on the second mounting hole 47 on the horizontal draw-in groove, a second washer and a second screw are arranged on the second mounting hole 47 (not shown in the figure, but those skilled in the art can understand), the first Two screws pass through the second washer and the second mounting hole to detachably connect the horizontal slot and the fixed part of the flue;
所述直角弯头44包括直角弯头第一侧面48，直角弯头第二侧面49，直角弯头第三侧面50，水平卡槽盖板51，所述直角弯头第一侧面48具有第一凹槽53，所述直角弯头第三侧面50具有第二凹槽54，所述第一凹槽53和所述第二凹槽54关于所述直角弯头第二侧面49的中心线呈对称设置，所述第一凹槽53和所述第二凹槽54设置在所述竖直卡槽和水平卡槽交界处；The right-angle elbow 44 includes a first side 48 of the right-angle elbow, a second side 49 of the right-angle elbow, a third side 50 of the right-angle elbow, and a horizontal slot cover 51. The first side 48 of the right-angle elbow has a first Groove 53, the third side 50 of the right-angle elbow has a second groove 54, the first groove 53 and the second groove 54 are symmetrical about the center line of the second side 49 of the right-angle elbow Setting, the first groove 53 and the second groove 54 are arranged at the junction of the vertical groove and the horizontal groove;
所述分烟道固定部45包括分烟道固定部第一侧面55，分烟道固定部第二侧面56，分烟道固定部第三侧面57，所述分烟道固定部第一侧面55、分烟道固定部第二侧面56、分烟道固定部第三侧面57可采用一体方式成型(如钣金)也可采用分体拼装(如焊接)连接，所述分烟道固定部第一侧面55远离所述分烟道固定部第二侧面56的端面具有向内弯折的分烟道固定部第一卡边58，所述分烟道固定部第三侧面57远离所述分烟道固定部第二侧面56的端面具有向内弯折的分烟道固定部第二卡边59，所述分烟道固定部第一卡边58和所述分烟道固定部第二卡边59呈对称布置，所述分烟道固定部45通过所述分烟道固定部第一卡边58和所述分烟道固定部第二卡边59可拆卸的安装在所述直角弯头的水平卡槽上，所述分烟道可拆卸的固定在所述分烟道固定部的卡槽中(图中未示出，但本领域技术人员可以明了)；The sub-flue fixing part 45 includes the first side 55 of the sub-flue fixing part, the second side 56 of the sub-flue fixing part, the third side 57 of the sub-flue fixing part, and the first side 55 of the sub-flue fixing part. , the second side 56 of the sub-flue fixing part, and the third side 57 of the sub-flue fixing part can be integrally formed (such as sheet metal) or can be connected by split assembly (such as welding). The end surface of one side 55 away from the second side 56 of the sub-channel fixing part has a first card edge 58 of the sub-channel fixing part bent inward, and the third side 57 of the sub-channel fixing part is far away from the sub-channel fixing part. The end surface of the second side surface 56 of the channel fixing part has a second card edge 59 of the sub-channel fixing part bent inward, and the first card edge 58 of the channel fixing part and the second card edge of the channel fixing part 59 are arranged symmetrically, and the fixed part of the flue branch 45 is detachably installed on the right-angle elbow through the first edge 58 of the fixed part of the flue branch and the second card edge 59 of the fixed part of the flue branch. On the horizontal slot, the sub-flue is detachably fixed in the slot of the fixing part of the sub-flue (not shown in the figure, but those skilled in the art can understand);
尤其是，其中所述分烟道固定部45的分烟道固定部第二侧面56靠近所述总烟道固定部的一端具有向外的弯折60，所述弯折60形成卡接部61，所述弯折60恰好能够容纳在所述第一凹槽53和所述第二凹槽54形成的空间中，所述卡接部61形成的角度恰好卡接住所述水平卡槽盖板51靠近所述竖直卡槽的端部。In particular, the second side surface 56 of the sub-channel fixing part 45 of the sub-channel fixing part 45 has an outward bend 60 at an end close to the main flue fixing part, and the bend 60 forms a snap-in part 61 , the bend 60 can just be accommodated in the space formed by the first groove 53 and the second groove 54, and the angle formed by the engaging part 61 is just enough to catch the horizontal groove cover 51 is close to the end of the vertical slot.
所述总烟道固定部包括总烟道固定部第一侧面，总烟道固定部第二侧面，总烟道固定部第三侧面，所述总烟道固定部第一侧面、总烟道固定部第二侧面、总烟道固定部第三侧面可采用一体方式成型(如钣金)也可采用分体拼装(如焊接)连接，所述总烟道固定部第一侧面远离所述总烟道固定部第二侧面的端面具有向内弯折的总烟道固定部第一卡边，所述总烟道固定部第三侧面远离所述总烟道固定部第二侧面的端面具有向内弯折的总烟道固定部第二卡边，所述总烟道固定部第一卡边和所述总烟道固定部第二卡边呈对称布置，所述总烟道固定部通过所述总烟道固定部第一卡边和所述总烟道固定部第二卡边可拆卸的安装在所述直角弯头的竖直卡槽上，所述总烟道可拆卸的固定在所述总烟道固定部的卡槽中(图中未示出，但本领域技术人员可以明了)；The total flue fixing part includes the first side of the total flue fixing part, the second side of the total flue fixing part, the third side of the total flue fixing part, the first side of the total flue fixing part, the fixing of the total flue The second side of the main flue fixing part and the third side of the main flue fixing part can be integrally formed (such as sheet metal) or connected by split assembly (such as welding). The first side of the main flue fixing part is far away from the main flue The end surface of the second side of the channel fixing part has a first card edge of the total flue fixing part bent inward, and the end surface of the third side of the total flue fixing part far away from the second side of the total flue fixing part has an inward The bent second card edge of the total flue fixing part, the first card edge of the total flue fixing part and the second card edge of the total flue fixing part are symmetrically arranged, and the total flue fixing part passes through the The first card edge of the total flue fixing part and the second card edge of the total flue fixing part are detachably installed on the vertical slot of the right-angle elbow, and the total flue is detachably fixed on the In the card slot of the total flue fixing part (not shown in the figure, but those skilled in the art can understand);
直角弯头44可采用一体的钣金件加工成型，所述两个凹槽的设置，能够保证加工过程中的顺利弯折避免干涉，还能够最大程度的保证材料的利用率避免了边角料的浪费。The right-angle elbow 44 can be processed and formed by an integrated sheet metal part. The setting of the two grooves can ensure smooth bending and avoid interference during the processing process, and can also ensure the utilization rate of materials to the greatest extent and avoid the waste of leftover materials. .
通过本发明这样的方式，可以将各个燃气灶的抽油烟机抽出的油烟废气集中收集处理后在排放如大气中，这样大大提高了排放效率并大大降低了空气污染；同时采用与之配套的烟道固定装置，便于烟道的维修、清洁和可靠固定；此外，还能够防止分烟道固定部从直角弯头中脱出或脱落，还方便直角弯头采用钣金件加工成型，并避免浪费过多的边角料。Through such a method of the present invention, the soot exhaust gas extracted from the range hoods of each gas stove can be collected and processed in a centralized manner and then discharged into the atmosphere, which greatly improves the emission efficiency and greatly reduces air pollution; The channel fixing device is convenient for the maintenance, cleaning and reliable fixing of the flue; in addition, it can also prevent the fixed part of the flue from coming out or falling off from the right-angle elbow, and it is also convenient for the right-angle elbow to be formed by sheet metal parts, and avoid wasting too much Lots of leftovers.
对于本领域技术人员而言，本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其它的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。For those skilled in the art, the present invention is not limited to the details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.
以上所述，仅为本发明的较佳实施例，并不用以限制本发明，凡是依据本发明的技术实质对以上实施例所作的任何细微修改、等同替换和改进，均应包含在本发明技术方案的保护范围之内。The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Any minor modifications, equivalent replacements and improvements made to the above embodiments according to the technical essence of the present invention shall be included in the technical aspects of the present invention. within the scope of protection of the program.
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| CN2276112Y (en) * | 1996-10-23 | 1998-03-11 | 北京兴达波纹管制造厂 | Combined chimney or flue with lining and its connecting piece |
| CN2286780Y (en) * | 1996-12-06 | 1998-07-29 | 冷涛 | Decorative plate piece for indoor pipeline |
| KR20050099263A (en) * | 2004-04-09 | 2005-10-13 | 이은종 | Ventilating system for kitchen |
| CN103868122A (en) * | 2014-04-02 | 2014-06-18 | 徐国安 | Energy-saving lifting suction type range hood |
| CN203869068U (en) * | 2014-04-28 | 2014-10-08 | 中国能源建设集团广东省电力设计研究院 | Smoke and air flue device and reducing elbow thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276112Y (en) * | 1996-10-23 | 1998-03-11 | 北京兴达波纹管制造厂 | Combined chimney or flue with lining and its connecting piece |
| CN2286780Y (en) * | 1996-12-06 | 1998-07-29 | 冷涛 | Decorative plate piece for indoor pipeline |
| KR20050099263A (en) * | 2004-04-09 | 2005-10-13 | 이은종 | Ventilating system for kitchen |
| CN103868122A (en) * | 2014-04-02 | 2014-06-18 | 徐国安 | Energy-saving lifting suction type range hood |
| CN203869068U (en) * | 2014-04-28 | 2014-10-08 | 中国能源建设集团广东省电力设计研究院 | Smoke and air flue device and reducing elbow thereof |
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