Cage frame convenient for online cleaning of filter bag of bag type dust collector

Abstract

The utility model discloses a cage frame convenient for on-line cleaning of a filter bag of a bag type dust collector, which comprises a cage frame upper section and a cage frame lower section, the cage frame upper section and the cage frame lower section are mutually buckled and connected through a buckle mechanism, a bottom cap is arranged at the bottom of the cage frame lower section, and the upper end face of the bottom cap is an arc convex surface. According to the utility model, the bottom cap at the bottom of the cage frame adopts the convex surface design, and small holes for draining water are omitted, so that compressed air cannot impact the bottom of the filter bag during reverse blowing during online cleaning, and the filter bag is protected from being damaged; meanwhile, during online cleaning, cleaning liquid can smoothly flow out from the upper surface of the bottom cap at the bottom, so that the problem of accumulation of the cleaning liquid is effectively solved; the cage frame has the advantages of long service life, difficulty in damaging the filter bag and cost saving, the downtime is reduced, and the productivity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to food drying equipment technical field especially relates to a filter bag dust catcher cage. BACKGROUND

[0002] At present, in the field of food spray drying, a cleanable bag type dust collector needs to be configured, and there are dozens to hundreds of cage frames supporting filter bags inside the dust collector. Due to the limited building height, the cage frame is usually processed into two sections and installed and fixed through a screw buckle, but the two-section cage frame connected through a screw buckle is prone to falling off after a period of operation, and once it falls off, the filter bag will be damaged, the filter bag is damaged, and the dust will leak, which will cause the dust to accumulate in the filter bag and produce a Maillard reaction, thereby causing a burning and explosion accident.

[0003] In order to prevent dust from accumulating in the filter bag, the filter bag needs to be cleaned online. In order to facilitate drainage, the existing cage frame has a hole about 10mm in diameter at the bottom of the cage frame, and when the filter bag is blown back with compressed air, the compressed air will pass through the hole at the bottom of the cage frame and impact the bottom of the filter bag, which will cause the filter bag to be damaged after a period of time, thereby causing the same consequences as the filter bag being damaged. SUMMARY

[0004] The utility model aims at providing a cage frame for cleaning the filter bag of a bag type dust collector online, to solve the technical problems of the cage frame being prone to falling off and causing the filter bag to be damaged and the filter bag being prone to damage during cleaning.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] The utility model relates to a cage frame for cleaning the filter bag of a bag type dust collector online, which comprises an upper section and a lower section, the upper section and the lower section are connected through a buckle mechanism, the bottom of the lower section is provided with a bottom cap, and the upper end face of the bottom cap is a circular arc convex surface.

[0007] Further improvement lies in that the upper cage section comprises a top frame, a first main section surrounded by a plurality of steel bars in parallel outside the support ring, the upper end of the first main section being connected with the top frame, the tail ends of the steel bars at the lower end of the first main section extending in the radial direction and being bent into V-shaped structure at the middle of the extending end, so that the lower ends of the steel bars at the lower end of the first main section form a first fastening ring groove; the lower cage section comprises a bottom cap, a second main section surrounded by a plurality of steel bars in parallel outside the support ring, the lower end of the second main section being connected with the lower end surface of the bottom cap, the head ends of the steel bars at the upper end of the second main section extending in the radial direction and being bent into V-shaped structure at the middle of the extending end, so that the upper ends of the steel bars at the upper end of the second main section form a second fastening ring groove; the steel bars at the lower end of the first main section and the steel bars at the upper end of the second main section are alternately connected, so that the first fastening ring groove is fastened to the inner side of the support ring at the end of the first main section, and the second fastening ring groove is fastened to the inner side of the support ring at the front end of the second main section.

[0008] Further improvement lies in that the first main section and the second main section are uniformly provided with at least two safety buckles in the circumferential direction at the fastening position, one end of the safety buckle being a hinged end, and the other end being a locking end, the hinged end being hinged to the support ring at the end of the first main section or the support ring at the front end of the second main section, the locking end being inwardly bent into a hook shape to form a locking hook, the locking hook being fastened to the outer side of the support ring at the front end of the second main section or the outer side of the support ring at the end of the first main section.

[0009] Further improvement lies in that the clamping joint is formed by bending the steel bar.

[0010] Further improvement lies in that the steel bar and the support ring are connected by welding.

[0011] Further improvement lies in that the lower end surface of the bottom cap is connected with the steel bar by welding.

[0012] The utility model discloses the following beneficial effects are realized by adopting the above technical scheme:

[0013] 1、 the cage of the utility model is the plug-in type split connection structure, and is locked mutually, and is tightly locked by setting safety buckle, can effectively guarantee that the cage is not easy to come off when operating, effectively solve the problem that filter bag is damaged due to cage coming off.

[0014] 2, the bottom cap of the cage bottom adopts convex surface design, cancels the small hole for drainage, when online cleaning reverse blowing, compressed air just does not impact the filter bag bottom, so as to protect the filter bag from being damaged; at the same time, when online cleaning, the cleaning liquid can flow out from the bottom cap upper surface, thereby effectively solving the problem of cleaning liquid accumulation; the cage has the advantages of long service time, the filter bag is not easy to be damaged, and cost saving, so as to reduce downtime and improve productivity. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the cage convenient for online cleaning filter bag of bag type dust collector of the utility model;

[0016] Figure 2 It is a structure schematic view of the buckle mechanism in the utility model;

[0017] Figure 3 It is a structure schematic view of the bottom cap in the utility model;

[0018] Figure 4 It is a cross section structure schematic view of the cage in the utility model;

[0019] Figure 5 It is a structure schematic view of the top frame in the utility model;

[0020] Figure 6 It is a structure schematic view of the safety buckle in the utility model. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] As shown in Figures 1 to 6 The utility model provides a cage convenient for online cleaning filter bag of bag type dust collector, including cage upper segment 1, cage lower segment 2, the cage upper segment 1 with the cage lower segment 2 between through buckle mechanism 3 is mutually buckled and is connected, the bottom of cage lower segment 2 is provided with bottom cap 4, and the upper end surface of bottom cap 4 is arc convex surface.

[0023] The upper cage section 1 comprises a top frame 11, a first main section surrounded by a plurality of steel bars 12 in parallel outside a support ring 13, the upper end of the first main section is connected and fixed with the top frame 11 by welding, the tail end of the steel bars 12 at the lower end of the first main section extends in the radial direction and is bent into a V-shaped structure at the middle of the extending end, so that the lower end of the plurality of steel bars 12 at the lower end of the first main section forms a first fastening ring groove 31; the structure of the lower cage section 2 is similar to that of the upper cage section 1, specifically, the lower cage section 2 comprises a bottom cap 4, a second main section surrounded by a plurality of steel bars in parallel outside a support ring, the lower end of the second main section is connected with the lower end surface of the bottom cap, the leading end of the steel bars at the upper end of the second main section extends in the radial direction and is bent into a V-shaped structure at the middle of the extending end, so that the plurality of steel bars at the upper end of the second main section forms a second fastening ring groove 32 at the upper end thereof, the first fastening ring groove 31 and the second fastening ring groove 32 and the support rings at the end of the upper cage section and the lower cage section form a fastening mechanism 3; specifically, the steel bars at the lower end of the first main section are spaced and staggered with the steel bars at the upper end of the second main section, so that the first fastening ring groove 31 is fastened inside the support ring 13 at the end of the first main section, and the second fastening ring groove 32 is fastened inside the support ring at the front end of the second main section.

[0024] Preferably, the first main section and the second main section are uniformly provided with at least two safety buckles 5 at the fastening position in the circumferential direction, one end of the safety buckle 5 is a hinged end 51, the other end is a locking end 52, the hinged end 51 is hinged on the support ring 13 at the end of the first main section or the support ring at the front end of the second main section, the locking end 52 is bent inwardly to form a hook-shaped locking hook, the locking hook is fastened outside the support ring at the front end of the second main section or the support ring at the end of the first main section; in actual application, the safety buckle 5 is formed by bending the steel bar; the steel bar is connected and fixed with the outside of the support ring by welding; the lower end surface of the bottom cap 4 is connected with the steel bar by welding.

[0025] It should be understood that the orientation words are established in connection with the daily operation habits of the operators and users and the drawings of the specification, and their appearance should not affect the protection scope of the utility model.

[0026] The cage frame adopts the plug-in type split connecting structure, is locked with each other, and is tightly locked by the safety buckle, so that the cage frame is not easy to be loosened during operation, and the problem that the filter bag is damaged due to loosening of the cage frame is effectively solved; the bottom cap of the bottom of the cage frame adopts the convex surface design, the small holes for drainage are cancelled, the compressed air does not impact the bottom of the filter bag during online cleaning reverse blowing, so that the filter bag is protected from being damaged; meanwhile, the cleaning liquid can flow out from the upper surface of the bottom cap of the bottom during online cleaning, so that the problem of cleaning liquid accumulation is effectively solved; the cage frame has the advantages of long service time, difficulty in damage of the filter bag and cost saving, so that the downtime is reduced, and the productivity is improved.

[0027] The utility model is described in detail above in combination with the embodiment of the drawings, and the person skilled in the art can make various change examples to the utility model according to the above description. Thus, certain details in the embodiment should not constitute the limitation of the utility model, and the protection scope of the utility model will be defined as the range of the attached claims.

Claims

1. A cage for facilitating online cleaning of filter bags of a baghouse, characterized in that, The cage upper section and the cage lower section are connected by a buckle mechanism, and the bottom of the cage lower section is provided with a bottom cap.

2. Cage according to claim 1, characterized in that The cage upper section includes a top frame, a first main section surrounded by steel bars outside the support ring, and the first main section is connected to the top frame, and the tail end of the steel bars at the lower end of the first main section extends inward in the radial direction, and is bent into a V-shaped structure at the middle of the extension end, so that the lower end of the steel bars at the lower end of the first main section forms a first fastening ring groove; the cage lower section includes a bottom cap, a second main section surrounded by steel bars outside the support ring, and the lower end of the second main section is connected to the lower end of the bottom cap, and the leading end of the steel bars at the upper end of the second main section extends inward in the radial direction, and is bent into a V-shaped structure at the middle of the extension end, so that the upper end of the steel bars at the upper end of the second main section forms a second fastening ring groove; the steel bars at the lower end of the first main section and the steel bars at the upper end of the second main section are staggered and connected, so that the first fastening ring groove is fastened to the inner side of the support ring at the end of the first main section, and the second fastening ring groove is fastened to the inner side of the support ring at the front end of the second main section.

3. Cage according to claim 2, characterized in that The first main section and the second main section are uniformly provided with at least two safety buckles in the circumferential direction at the fastening position, one end of the safety buckle is a hinged end, and the other end is a locking end, the hinged end is hinged to the support ring at the end of the first main section or the support ring at the front end of the second main section, the locking end is inwardly bent to form a hook-shaped locking hook, and the locking hook is fastened to the outer side of the support ring at the front end of the second main section or the outer side of the support ring at the end of the first main section.

4. Cage according to claim 3, characterized in that The safety buckle is formed by bending the steel bar.

5. Cage according to claim 4, characterized in that The steel bar and the support ring outside are connected by welding.

6. The cage of claim 2, wherein, The lower end of the bottom cap is connected to the steel bar by welding.

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