CN211935983U - Large central efficient air filter - Google Patents
Large central efficient air filter Download PDFInfo
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- CN211935983U CN211935983U CN202020275865.XU CN202020275865U CN211935983U CN 211935983 U CN211935983 U CN 211935983U CN 202020275865 U CN202020275865 U CN 202020275865U CN 211935983 U CN211935983 U CN 211935983U
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Abstract
The utility model belongs to clean workshop dust removal field, especially a high-efficient air cleaner of large-scale central authorities, including the toper air inlet, the rectangle shell, the export of toper net gas, set up a m fillter in the rectangle shell, be first fillter respectively, second fillter … … m-1 fillter, the m fillter, wherein 2 is more than or equal to m and is less than or equal to 10, set up a n filter core at every fillter, wherein 8 is more than or equal to n and is less than or equal to 160, the right-hand member and the rectangle shell fixed connection of first fillter, set up A between the left end of first fillter and rectangle shell1An air inlet passage between the right end of the m-th filtering section and the rectangular shellSet up Bm‑1Clean passageway, the left end and the rectangle shell fixed connection of mth filter stage, separate mutually through S type baffle respectively between the m filter stages and form filtering area and gas purification district. The utility model discloses filter core is changed and can not pollute pipeline and clean workshop, saves a large amount of consumptive materials, and occupation space is little.
Description
Technical Field
The utility model belongs to clean workshop dust removal field, especially a high-efficient air cleaner of large-scale central authorities.
Background
Traditional high-efficient air cleaner generally is located clean workshop air conditioner terminal supply-air outlet, air conditioner terminal supply-air outlet generally is located the workshop ceiling, every workshop can dispose a plurality of air conditioner terminal supply-air outlets according to the area size, 1 air filter of general configuration of every air conditioner terminal supply-air outlet and fixing device thereof, 2 to 4 filtration core and fixing device of the parallelly connected combination of extremely individual terminal supply-air outlet configuration, a unit high-efficient air cleaner is constituteed to every air filter and fixing device thereof, a plurality of unit high-efficient air cleaner form a large-scale traditional high-efficient air cleaner through the parallelly connected combination of air supply pipeline.
The problems of the traditional high-efficiency air filter are as follows: 1. the high-efficiency air filter is positioned at the end of the air supply outlet of the pipeline, no isolation measure is provided between the high-efficiency air filter and a clean workshop, and the pollution in the process of disassembling, assembling and disassembling the filter element during replacement cannot be controlled absolutely, so that the clean workshop is always polluted. 2. The high-efficiency air filter is positioned at the end of the air supply outlet of the pipeline, and the air supply pipeline cannot reach the level of a clean level and always has secondary pollution. 3. In a small and dispersed unit filtering mode, the negative pressure value of the high-efficiency air filter of each unit cannot be ensured to be balanced, so that air supply at an air supply outlet is unbalanced, and the air supply balance of a workshop is influenced. 4. In a small and dispersed filtering mode, the negative pressure value of each unit efficient air filter is difficult to detect, and the use condition cannot be controlled, so that the whole service life of the filter element can only be calculated by adopting a shortest service life method, namely the service life of the filter element individual body of the plurality of unit efficient air filters, wherein the negative pressure value of which reaches the saturation value at the earliest, is used as the service life of all the filter elements, namely the traditional method for regularly replacing the service life of the filter element, and therefore, huge waste of consumables is often caused. 5. The small and scattered unit filtering modes cannot be controlled by using working conditions, the management is inconvenient, and the occupied space is large.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a large-scale central high-efficiency air filter, which can easily and effectively control the process pollution generated by the disassembly, disassembly and assembly of the filter element during the replacement, and can not pollute pipelines and clean workshops; in the centralized filtering mode, when the negative pressure value of each filter element is unbalanced, the high-efficiency air filter can automatically balance to ensure that the air supply of each air supply outlet is balanced; the occupied space is small. The utility model discloses the technical problem that solve is realized through following technical scheme:
a large-scale central efficient air filter comprises a conical air inlet, a rectangular shell and a conical purified air outlet, wherein m filter sections are arranged in the rectangular shell, namely a first filter section, a second filter section … … (m-1) filter section and an m filter section, wherein m is more than or equal to 2 and less than or equal to 10, n filter elements are arranged in each filter section, n is more than or equal to 8 and less than or equal to 160, the upper end and the lower end of each filter section are fixedly connected with the rectangular shell respectively, the right end of the first filter section is fixedly connected with the rectangular shell, A is arranged between the left end of the first filter section and the rectangular shell1An air inlet passage, a B is arranged between the right end of the m-1 filter segment and the rectangular shellm-2A clean channel, wherein A is arranged between the left end of the m-1 th filtering section and the rectangular shellm-1An air inlet passage, a B is arranged between the right end of the m-th filtering section and the rectangular shellm-1Clean passageway, the left end and the rectangle shell fixed connection of mth filter stage, separate mutually through S type baffle respectively between the m filter stages and form filtering area and gas purification district.
Furthermore, the filter section is composed of a set vertical face, the set vertical face comprises x rows and y columns of square fixing frames, wherein x is more than or equal to 24 and is more than or equal to 2, y is more than or equal to 24 and is more than or equal to 2, when x is equal to 2 or 3, y is more than or equal to 4, when y is equal to 2 or 3, x is more than or equal to 4, and a filter element is correspondingly arranged in each square fixing frame.
Specifically, the square fixing frame is formed by cross welding channel steel according to the inner width specification of the filter element by 90 degrees, the front face of the channel steel is a windward face, the groove face of the channel steel is a leeward face, four corners of the windward face of the square fixing frame are respectively provided with a fixing angle steel and a guide angle steel according to the outer width specification of the filter element for placing the filter element, and a fastening device is respectively arranged between every two guide angle steels for locking the filter element; the fixed angle steel is arranged on the outer side of the guide angle steel, the length of the fixed angle steel is smaller than that of the guide angle steel, the guide angle steel is fixedly welded with the fixed angle steel, the fixed angle steel is fixedly welded with the front face of the channel steel, and a gap of 2mm-5mm is reserved between the guide angle steel and the channel steel.
Specifically, the fastening device comprises a positioning plate, a fixing screw and a central asymmetric plate, the left end and the right end of the positioning plate are fixedly connected with the guide angle steel respectively, the fixing screw is arranged at any end of the upper end face of the positioning plate, the upper end face of the positioning plate is fixedly connected with the fixing screw, the central asymmetric plate is provided with a screw hole matched with the fixing screw, and the central asymmetric plate and the fixing screw are matched to play a role in locking the filter element.
Specifically, when the fastening device is arranged at the position close to the edge, one end of the positioning plate is fixedly connected with the guide angle steel, the other end of the positioning plate is fixedly connected with the support angle steel, and the support angle steel is fixedly welded with the front face of the channel steel.
Specifically, the square fixing frame is formed by cross welding of a flat through according to the outer width specification of the filter element by 90 degrees, an angle steel frame is arranged on the inner side of the flat through, one right-angle side of the angle steel frame is fixedly connected with the inner side of the flat through, and the other right-angle side of the angle steel frame forms a filter element base for placing the filter element; and fastening devices are respectively arranged at four corners of the windward side close to the square fixing frame.
Specifically, the fastening device comprises a fixing screw and a central asymmetric plate, the fixing screw is welded on the windward side of the flat-through, the central asymmetric plate is provided with a screw hole matched with the fixing screw, and the central asymmetric plate and the fixing screw are matched to play a role in locking the filter element; when the fastening device is arranged at the position close to the edge, the wind-resistant flat-through structure further comprises a support angle steel, and the support angle steel is fixed on the windward side of the flat-through structure.
Particularly, a filter element is arranged in each square fixing frame, an outer frame on the back of the filter element is in sealing connection with the square fixing frame through a sealing strip, and the front of the filter element is locked and fixed through four fastening devices; the filter element front faces the windward side, and the filter element windward side faces the direction of the conical air inlet.
Preferably, A1The width of the air inlet channel is more than Am-1Width of air intake passage, Bm-2Width of clean channel < Bm-1The width of the clean tunnel.
Preferably, the S-shaped partition plates are respectively formed by fixedly connecting three partition plates.
The utility model has the advantages of it is following:
(1) the invention is positioned at the front end of the air supply pipeline, and the pollution in the process of disassembling, disassembling and assembling the filter element during replacement can be easily and effectively controlled, and the pipeline and a clean workshop can not be polluted.
(2) The air supply pipeline is always kept clean, and secondary pollution is avoided.
(3) And in a centralized filtering mode, when the negative pressure value of each filter element is unbalanced, the high-efficiency air filter can automatically balance to ensure that air supply of each air supply outlet is balanced.
(4) The negative pressure value of the high-efficiency air filter is extremely easy to detect, the using working condition is clear at a glance, and the management is convenient and efficient; the service life of the filter element can completely adopt a longest service life calculation method, namely, the whole negative pressure value of the large-scale central efficient air filter reaches a saturation value, the replacement time of the filter element is determined, and a large amount of consumables are saved.
(5) The occupied space is small.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic diagram of a structure of a collection facade;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic view of the cartridge of FIG. 4 with the cartridge removed;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic view of the structure of the fastening device disposed alongside;
FIG. 9 is another schematic structural view of a square fixing frame;
FIG. 10 is a top view of FIG. 9;
fig. 11 is a schematic structural view of an S-shaped separator.
Detailed Description
Fig. 1 is a schematic structural view of the present invention; fig. 2 is a top view of fig. 1. As shown in figures 1 and 2, a large-scale central high-efficiency air filter comprises a conical air inlet, a rectangular shell and a conical purified air outlet, wherein m filter sections are arranged in the rectangular shell and respectively comprise a first filter section, a second filter section … …, a m-1 filter section and a m-th filter section, wherein m is more than or equal to 2 and less than or equal to 10, n filter elements are arranged in each filter section, n is more than or equal to 8 and less than or equal to 160, the upper end and the lower end of each filter section are respectively fixedly connected with the rectangular shell, the right end of the first filter section is fixedly connected with the rectangular shell, A is arranged between the left end of the first filter section and the rectangular shell1An air inlet passage, a B is arranged between the right end of the m-1 filter segment and the rectangular shellm-2A clean channel, wherein A is arranged between the left end of the m-1 th filtering section and the rectangular shellm-1An air inlet passage, a B is arranged between the right end of the m-th filtering section and the rectangular shellm-1The left end of the mth filtering section is fixedly connected with the rectangular shell, and the m filtering sections are separated by S-shaped clapboards to form a filtering area and a gas purifying area; the filter section consists of a set vertical face, the set vertical face comprises x rows and y columns of square fixing frames, wherein x is more than or equal to 24 and is more than or equal to 2, y is more than or equal to 24 and is more than or equal to 2, when x is equal to 2 or 3, y is more than or equal to 4, and when y is equal to 2 or 3, x is more than or equal to 4.
4 including toper air inlet 1, rectangle shell 2, first fillter section 3, second fillter section 4, third fillter section 5, fourth fillter section 6 and toper gas outlet 7, first fillter section 3, second fillter section 4, third fillter section 5, the upper and lower end of fourth fillter section 6 respectively with rectangle shell 2 fixed connection, the right-hand member and the 2 fixed connection of rectangle shell of first fillter section 3, set up A between the left end of first fillter section 3 and rectangle shell 21An air inlet channel 20, B is arranged between the right end of the second filter segment 4 and the rectangular shell 21A clean channel 23, A is arranged between the left end of the second filter section 4 and the rectangular shell 22An air inlet channel 21, B is arranged between the right end of the third filter segment 5 and the rectangular shell 22A clean channel 24, A is arranged between the left end of the third filter segment 5 and the rectangular shell 23An air inlet passage 22 at the right end of the fourth filter stage 6B is arranged between the rectangular shell 2 and the3 Clean passageway 25, the left end and the rectangle shell 2 fixed connection of fourth filter stage 6, separate through S type baffle 8 respectively between first filter stage 3, second filter stage 4, third filter stage 5, the fourth filter stage 6 and form filtering area and net gas district mutually.
Fig. 11 is a schematic structural view of an S-shaped partition, as shown in fig. 10, the S-shaped partition 8 is formed by fixedly connecting a first partition 8.1, a second partition 8.2 and a third partition 8.3, and access doors 9 are respectively disposed on the left and right sides of the rectangular housing 2; a. the1The width of the intake passage 20 > A2The width of the air inlet channel 21 is more than A3Width of the intake passage 22, B1Width of clean channel 23 < B2Width of clean channel 24 < B3The width of the clean tunnel 25, thereby achieving ventilation balance.
Fig. 3 is a schematic structural diagram of a collection vertical surface, and as shown in fig. 3, the first filtering section 3, the second filtering section 4, the third filtering section 5, and the fourth filtering section 6 are respectively composed of a collection vertical surface 10, the collection vertical surface 10 of the first filtering section 3 and the fourth filtering section 6 in this embodiment includes x rows and y columns of square fixing frames 11, the collection vertical surface 10 of the second filtering section 4 and the third filtering section 5 includes x rows and y-1 columns of square fixing frames 11, and one filter element 12 is correspondingly disposed in each square fixing frame 11.
FIG. 4 is an enlarged view of portion A of FIG. 3; FIG. 5 is a top view of FIG. 4; FIG. 6 is a schematic view of the cartridge of FIG. 4 with the cartridge removed; FIG. 7 is a top view of FIG. 6; referring to fig. 4 to 7, the square fixing frame 11 of the present embodiment is formed by cross-welding 8# channel steel 11.1 according to the inner width specification of the filter element 12 by 90 °, the front surface of the 8# channel steel 11.1 is a windward surface, the groove surface is a leeward surface, according to the external width specification of the filter element 12, fixing angle steel 11.2 and guide angle steel 11.3 are respectively arranged on the inner sides of four corners of the windward side of the square fixing frame 11, the windward side of the square fixing frame 11 is the front side of the 8# channel steel 11.1, the filter element fixing frame consisting of the fixing angle steel 11.2 and the guide angle steel 11.3 is used for placing the filter element 12, the front side of the 8# channel steel 11.1 surrounded by the four guide angle steel 11.3 forms a filter element base, fastening devices are respectively arranged between every two guide angle steels 11.3 and used for locking the filter element 12, the fastening devices are also arranged at the guide angle steels 11.3 arranged close to the edges, namely, fastening devices are respectively arranged at the leftmost guide angle steel and the rightmost guide angle steel; the fixed angle steel 11.2 is arranged on the outer side of the guide angle steel 11.3, the length of the fixed angle steel 11.2 is smaller than that of the guide angle steel 11.3, the guide angle steel 11.3 is fixedly welded with the fixed angle steel 11.2, the fixed angle steel 11.2 is fixedly welded with the front face of the 8# channel steel 11.1, and a gap of 2mm-5mm is reserved between the guide angle steel 11.3 and the 8# channel steel 11.1; the filter element 12 of the present embodiment has an inner width of 614mm × 614mm × 80mm, and the fixed angle steel 11.2 is outside the guide angle steel 11.3, and is short, and is perpendicular to the 8# channel steel 11.1 and welded and fixed, and the guide angle steel 11.3 is inside the fixed angle steel 11.2, and is long, and is welded and fixed with the fixed angle steel 11.2.
Referring to fig. 6, the fastening device includes a positioning plate 11.4, a fixing screw 11.5, and a central asymmetric plate 11.6, the left and right ends of the positioning plate 11.4 are respectively fixedly connected with guide angle steels 11.3, that is, the positioning plate 11.4 is supported and fixed by two guide angle steels 11.3, the fixing screw 11.5 is arranged at any end of the upper end surface of the positioning plate 11.4, the upper end surface of the positioning plate 11.4 is fixedly connected with the fixing screw 11.5, the central asymmetric plate 11.6 is provided with a screw hole matched with the fixing screw 11.5, and the central asymmetric plate and the fixing screw are matched to play a role of locking the filter element; the screw hole is located the non-centre of gravity department of central asymmetric board 11.6, the purpose that sets up like this makes central asymmetric board 11.6 not by under the fixed state of nut, remains vertically downwards all the time under the effect of gravity, makes things convenient for filter core 12 to impel direction angle steel 11.3, and can not blockked by central asymmetric board 11.6, after filter core 12 impeld direction angle steel 11.3, place central asymmetric board 11.6 rotation for the level, tighten up the nut, central asymmetric board 11.6 just compresses tightly the surface of filter core 12, makes it fixed.
Fig. 8 is a schematic structural diagram of the fastening device arranged close to the edge, and as shown in fig. 8, when the fastening device is arranged close to the edge, that is, when the fastening device is arranged at the leftmost side or the rightmost side, one end of the positioning plate 11.4 is fixedly connected with the guide angle steel 11.3, and the other end of the positioning plate 11.4 is fixedly connected with the support angle steel 11.7, that is, the positioning plate 11.4 is fixed by the guide angle steel 11.3 and the support angle steel 11.7; support angle steel 11.7 of here has two effects, first is fixed positioning plate 11.4, second is the central asymmetric board 11.6 when being used for supporting the locking, because central asymmetric board 11.6 one end compresses tightly filter core 12 when being in the edge, the other end just can be unsettled, just can not realize locking, consequently, support angle steel 11.7 plays the effect of the central asymmetric board 11.6 other end of support, and support angle steel 11.7 sets up on the same horizontal plane with filter core 12, thereby guarantee that the both ends of central asymmetric board 11.6 can steadily lock, support angle steel 11.7 and 8# channel-section steel 11.1's front welded fastening.
A filter element 12 is correspondingly arranged in each square fixing frame 11, four corners of the filter element 12 are matched with four guide angle steels 11.3 of the square fixing frame 11, an outer frame on the back of the filter element 12 is in sealing connection with the windward side of the square fixing frame 11 through a sealing strip 12.1, namely, the outer frame on the back of the filter element 12 is in sealing connection with a filter element base formed on the front of an 8# channel steel 11.1 enclosed by the four guide angle steels 11.3 through the sealing strip 12.1, and the front of the filter element 12 is locked and fixed through four fastening devices; the front surface of the filter element 12 faces the windward side, and the windward side of the filter element 12 faces the direction of the conical air inlet 1.
FIG. 9 is another schematic structural view of a square fixing frame; FIG. 10 is a top view of FIG. 9; as shown in fig. 8 and 9, the square fixing frame 11 of the present invention may also be formed by 90 ° cross welding of the flat tube 11.10 according to the outer width specification of the filter element 12, the narrow side of the flat tube 11.10 is windward side and leeward side, the wide side of the flat tube 11.10 is in the depth direction, the inside of the flat tube 11.10 is provided with an angle steel frame 11.11, a right-angle side of the angle steel frame 11.11 is fixedly connected with the inside of the flat tube 11.10, and the other right-angle side of the angle steel frame 11.11 forms a filter element base 11.12 for placing the filter element; fastening devices are respectively arranged at four corners of the windward side close to the square fixing frame 11, the windward side of the square fixing frame 11 is a narrow side of the flat tube 11.10, and the filter element base 11.12 is arranged on the leeward side of the square fixing frame 11.
Corresponding to a square fixing frame 11 consisting of a flat tube 11.10, the fastening device comprises a fixing screw rod 11.5 and a central asymmetric plate 11.6, the fixing screw rod 11.5 is welded on the central line of the windward side of the flat tube 11.10, the central asymmetric plate 11.6 is provided with a screw hole matched with the fixing screw rod 11.5, and the central asymmetric plate 11.6 is matched with the fixing screw rod 11.5 to play a role of locking the filter element 12; the screw hole is located the non-centre of gravity department of central asymmetric board 11.6, and the purpose that sets up like this makes central asymmetric board 11.6 not under the fixed state of nut, remains vertically downwards all the time under the effect of gravity, makes things convenient for filter core 12 to impel flat expert 11.10 inboard, and can not blockked by central asymmetric board 11.6, after filter core 12 impeld flat expert 11.10 inboard, places central asymmetric board 11.6 rotation for the level, tightens up the nut, just can fix filter core 12.
When the fastening device is arranged at the position close to the side, namely the fastening device is arranged at the leftmost side or the rightmost side, the wind-proof structure further comprises support angle steel 11.7, the support angle steel 11.7 is fixed on the windward side of the flat through 11.10, the support angle steel 11.7 plays a role of supporting the other end of the central asymmetric plate 11.6, and the support angle steel 11.7 is arranged on the same horizontal plane with the filter element 12, so that the two ends of the central asymmetric plate 11.6 can be stably locked.
The four corners of the filter element 12 of this structure coincide with the four corners of the flat 11.10 inboard side, and the frame at the back of filter element 12 passes through another right-angle side sealing connection of sealing strip 12.1 and angle steel frame 11.11, promptly with the filter element base 11.12 sealing connection who forms, and the front of filter element 12 is fixed through four fastener locking.
In this embodiment, x is 4, y is 8, that is, the set vertical surface 10 of the first filter segment 3 and the fourth filter segment 6 includes 4 rows and 8 columns of square fixing frames 11, and the set vertical surface 10 of the second filter segment 4 and the third filter segment 5 includes 4 rows and 7 columns of square fixing frames 11, so that the number of the filter elements 12 of the first filter segment 3 is n1, 4 × 8 is 32, the number of the filter elements 12 of the second filter segment 4 is n2, 4 × 7 is 28, the number of the filter elements 12 of the third filter segment 5 is n3, 4 × 7 is 28, the number of the filter elements 12 of the fourth filter segment 6 is n4, 4 × 8 is 32, and the number of the filter elements included in the whole large central efficient air filter is 32+28+28+32, 120.
The filter element 12 can be a square body or a rectangular body, the thickness can be different, and when the filter element 12 is rectangular, the corresponding square fixing frame 11 is also rectangular; when the filter element 12 needs to be replaced, the side of the collection vertical face 10 close to the conical purified gas outlet 3 is sealed by using the fixing plate and the sealant, each square fixing frame 11 of the collection vertical face 10 is cleaned before an old filter element is taken down and a new filter element is installed, the fixing plate and the sealant are removed after the new filter element is installed, and the problems of leakage and pollution can be strictly controlled in the whole filter element replacing process.
In a word, the utility model has the following advantages:
(1) the invention is positioned at the front end of the air supply pipeline, and the pollution in the process of disassembling, disassembling and assembling the filter element during replacement can be easily and effectively controlled, and the pipeline and a clean workshop can not be polluted.
(2) The air supply pipeline is always kept clean, and secondary pollution is avoided.
(3) And in a centralized filtering mode, when the negative pressure value of each filter element is unbalanced, the high-efficiency air filter can automatically balance to ensure that air supply of each air supply outlet is balanced.
(4) The negative pressure value of the high-efficiency air filter is extremely easy to detect, the using working condition is clear at a glance, and the management is convenient and efficient; the service life of the filter element can completely adopt a longest service life calculation method, namely, the whole negative pressure value of the large-scale central efficient air filter reaches a saturation value, the replacement time of the filter element is determined, and a large amount of consumables are saved.
(5) The occupied space is small.
Claims (10)
1. The utility model provides a large-scale high-efficient air cleaner of central authorities, characterized by includes toper air inlet, rectangle shell, toper net gas export set up m fillter sections in the rectangle shell, be first fillter section, second fillter section … … m-1 fillter section, mth fillter section respectively, wherein 2 is no less than m is no less than 10, sets up n filter cores at every fillter section, wherein 8 is no less than n is no less than 160, the upper and lower end of every fillter section respectively with rectangle shell fixed connection, the right-hand member and the rectangle shell fixed connection of first fillter section set up A between the left end of first fillter section and the rectangle shell1An air inlet channel, wherein a B is arranged between the right end of the m-1 filter section and the rectangular shellm-2A clean channel, wherein A is arranged between the left end of the m-1 th filtering section and the rectangular shellm-1An air inlet channel, wherein a B is arranged between the right end of the m-th filtering section and the rectangular shellm-1Clean passageway, the left end and the rectangle shell fixed connection of mth filter stage, separate mutually through S type baffle respectively between m filter stages and form filtering area and gas purification district.
2. The large central high-efficiency air filter according to claim 1, wherein the filter section is composed of a collection vertical surface, the collection vertical surface comprises x rows and y columns of square fixing frames, wherein 24 is more than or equal to x and more than or equal to 2, 24 is more than or equal to y and more than or equal to 2, y is more than or equal to 4 when x is more than or equal to 2 or 3, and x is more than or equal to 4 when y is more than or equal to 2 or 3, and a filter element is correspondingly arranged in each square fixing frame.
3. The large-scale central high-efficiency air filter as claimed in claim 2, wherein the square fixing frame is formed by cross welding channel steel according to the inner width specification of the filter element by 90 degrees, the front surface of the channel steel is a windward surface, the groove surface of the channel steel is a leeward surface, and fixing angle steel and guide angle steel are respectively arranged at four corners of the windward surface of the square fixing frame according to the outer width specification of the filter element for placing the filter element; the fixed angle steel is arranged on the outer side of the guide angle steel, the length of the fixed angle steel is smaller than that of the guide angle steel, the guide angle steel is fixedly welded with the fixed angle steel, the fixed angle steel is fixedly welded with the front face of the channel steel, and a gap of 2mm-5mm is reserved between the guide angle steel and the channel steel.
4. The large central high-efficiency air filter according to claim 3, wherein the fastening device comprises a positioning plate, a fixing screw and a central asymmetric plate, the left end and the right end of the positioning plate are fixedly connected with the guide angle steel respectively, the fixing screw is arranged at any end of the upper end surface of the positioning plate, the upper end surface of the positioning plate is fixedly connected with the fixing screw, the central asymmetric plate is provided with a screw hole matched with the fixing screw, and the central asymmetric plate and the fixing screw are matched to play a role in locking the filter element.
5. The large central high-efficiency air filter according to claim 4, wherein when the fastening device is arranged at the position close to the edge, one end of the positioning plate is fixedly connected with the guide angle steel, the other end of the positioning plate is fixedly connected with the support angle steel, and the support angle steel is fixedly welded with the front face of the channel steel.
6. The large central high-efficiency air filter as claimed in claim 2, wherein the square fixing frame is formed by cross welding of a flat through according to the outer width specification of the filter element by 90 degrees, an angle steel frame is arranged at the inner side of the flat through, one right-angle side of the angle steel frame is fixedly connected with the inner side of the flat through, and the other right-angle side of the angle steel frame forms a filter element base for placing the filter element; and fastening devices are respectively arranged at four corners close to the windward side of the square fixing frame.
7. The large central high-efficiency air filter according to claim 6, wherein the fastening device comprises a fixing screw rod and a central asymmetric plate, the fixing screw rod is welded on the windward side of the flat-through, the central asymmetric plate is provided with a screw hole matched with the fixing screw rod, and the central asymmetric plate and the fixing screw rod are matched to play a role in locking the filter element; when the fastening device is arranged at the position close to the side, the wind-resistant flat-through wind-facing device further comprises a support angle steel, and the support angle steel is fixed on the flat-through wind-facing surface.
8. The large-scale central high-efficiency air filter according to claim 3 or 6, wherein a filter element is arranged in each square fixing frame, an outer frame on the back of the filter element is hermetically connected with the square fixing frame through a sealing strip, and the front of the filter element is locked and fixed through four fastening devices; the filter element is arranged on the air inlet side of the air inlet, and the filter element is arranged on the air inlet side of the air inlet.
9. The large central air cleaner of claim 1, wherein a is greater than a1Width of air intake passageAm-1Width of air intake passage, Bm-2Width of clean channel < Bm-1The width of the clean tunnel.
10. The large central air cleaner according to claim 1, wherein the S-shaped partition plates are each formed by fixedly connecting three partition plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275865.XU CN211935983U (en) | 2020-03-09 | 2020-03-09 | Large central efficient air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275865.XU CN211935983U (en) | 2020-03-09 | 2020-03-09 | Large central efficient air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211935983U true CN211935983U (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020275865.XU Active CN211935983U (en) | 2020-03-09 | 2020-03-09 | Large central efficient air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211935983U (en) |
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2020
- 2020-03-09 CN CN202020275865.XU patent/CN211935983U/en active Active
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