Air distribution structure of bag type dust collector
By setting up a baffle plate and air distribution plate at the entrance of the small bag dust collector, the problem of uneven flue gas distribution is solved, and the uniform distribution of flue gas is achieved, the resistance and dust removal frequency of the dust collector are reduced, and the stability of the dust collector is improved.
Patent Information
- Application Number
- CN202322883008.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-26
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2033-10-26
AI Technical Summary
Due to the small internal space and compact structure of small bag dust collectors, it is prone to uneven distribution of flue gas, resulting in increased resistance to the dust collector, increased dust removal frequency and reduced dust removal efficiency.
The baffle plate and air-distribution plate are arranged at the entrance of the dust collector box. The baffle plate is composed of multiple inclined plates. The spacing between the two adjacent inclined plates is 100-120mm, the air-distribution plate is T-shaped, and the gap between the two adjacent T-shaped plates is 60-80mm. The angle and width of the inclined plates and air-distribution plates decrease and increase in turn.
Through the design of baffle plate and air distribution plate, the flue gas distribution is evenly distributed, the flue gas resistance of the dust collector is reduced, the dust cleaning frequency is reduced, and the stability of the dust collector is improved.
Smart Images

Figure CN222585867U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of bag dust collectors, in particular to an air distribution structure of a bag dust collector. Background Art
[0002] Small bag dust collectors are small in internal space and compact in structure, so they are prone to uneven smoke distribution during use, which leads to increased resistance, increased cleaning frequency, and reduced dust removal efficiency. Common small bag dust collectors are equipped with simple partitions inside the box to guide the airflow, but in actual use, they are found to have little effect. Utility Model Content
[0003] The utility model aims to provide an air distribution structure of a bag dust collector to solve the problems in the prior art.
[0004] To achieve the above object, the utility model provides an air distribution structure of a bag dust collector, comprising a dust collector box, a baffle, an air distribution plate and a cavity composed of the air distribution plate, wherein the baffle is arranged at the entrance of the dust collector box, and the baffle comprises a plurality of inclined plates, and the distance between two adjacent inclined plates is 100 to 120 mm.
[0005] The air distribution plate is plugged into the dust collector box, the air distribution plate is T-shaped, and the gap between two adjacent T-shaped plates is 60-80 mm.
[0006] The inclined plate has a fold angle and is inclined downward, the fold angle of the upper inclined plate is 170-175 degrees, the fold angle of the lower inclined plate is 135-145 degrees, and the fold angle of the middle inclined plate increases uniformly from top to bottom.
[0007] The width of the air distribution plates increases successively at the inlet of the dust collector box.
[0008] There are four inclined plates, the upper inclined plate has a folding angle of 170°, the second inclined plate has a folding angle of 160°, the third inclined plate has a folding angle of 150°, and the lower inclined plate has a folding angle of 140°.
[0009] The width of the air distribution plate at the entrance of the dust collector box is 60mm, the width of the second plate is 75mm, the width of the third plate is 90mm, the width of the third plate is 105mm, the width of the fourth plate is 120mm, the width of the fifth plate is 135mm, the width of the sixth plate is 150mm, the width of the seventh plate is 165mm, and the width of the eighth plate is 180mm.
[0010] There are four inclined plates, the upper inclined plate has a folding angle of 170°, the second inclined plate has a folding angle of 160°, the third inclined plate has a folding angle of 150°, and the lower inclined plate has a folding angle of 140°;
[0011] The width of the air distribution plate at the entrance of the dust collector box is 60mm, the width of the second plate is 75mm, the width of the third plate is 90mm, the width of the third plate is 105mm, the width of the fourth plate is 120mm, the width of the fifth plate is 135mm, the width of the sixth plate is 150mm, the width of the seventh plate is 165mm, and the width of the eighth plate is 180mm.
[0012] The beneficial effects of the utility model are:
[0013] The utility model is simple and reasonable in structure. A baffle is arranged at the inlet of the dust collector box. Four baffles are arranged, and the angles of the baffles decrease successively. A plurality of air distribution plates are also arranged. The air distribution plates are arranged in a T-shaped structure, and the widths of the air distribution plates increase successively. Through comparative tests, it is verified that the utility model can make the filtered flue gas evenly distributed through the baffles and the air distribution plates, reduce the flue gas resistance of the dust collector, reduce the cleaning frequency, and make the flue gas pass through the filter bag evenly inside the dust collector, thereby improving the stability of the dust collector. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is an overall schematic diagram of the air distribution structure of a bag filter;
[0015] Figure 2 A schematic diagram of a baffle structure of an air distribution structure of a bag filter;
[0016] Figure 3 The present invention is a schematic diagram of the air distribution plate structure of an air distribution structure of a bag-type dust collector.
[0017] In the figure: 1, baffle, 2, air distribution plate, 3, cavity, 4, upper inclined plate, 5, second inclined plate, 6, third inclined plate, 7, lower inclined plate. DETAILED DESCRIPTION
[0018] The technical solution of the utility model is further described in detail below in conjunction with the accompanying drawings:
[0019] Example:
[0020] like Figure 1 As shown, an air distribution structure of a bag dust collector comprises a dust collector housing, a baffle (1), an air distribution plate (2) and a cavity (3) formed by the air distribution plate.
[0021] The baffle plate (1) is arranged at the inlet of the dust collector box, and the baffle plate (1) comprises a plurality of inclined plates, and the distance between two adjacent inclined plates is 100 to 120 mm.
[0022] The air distribution plate (2) is plugged into the dust collector housing. Figure 3 As shown, the air distribution plate (2) is T-shaped, and the gap between two adjacent T-shaped plates is 60 to 80 mm.
[0023] The inclined plate has a folding angle and is inclined downward, the folding angle of the upper inclined plate is 170-175 degrees, the folding angle of the lower inclined plate is 135-145 degrees, and the folding angle of the middle inclined plate increases uniformly from top to bottom.
[0024] The width of the air distribution plate (2) increases gradually at the entrance of the dust collector box.
[0025] like Figure 2 As shown, there are four inclined plates, the upper inclined plate has a folding angle of 170°, the second inclined plate has a folding angle of 160°, the third inclined plate has a folding angle of 150°, and the lower inclined plate has a folding angle of 140°.
[0026] The width of the air distribution plate (2) at the entrance of the dust collector box is 60 mm, the width of the second plate is 75 mm, the width of the third plate is 90 mm, the width of the third plate is 105 mm, the width of the fourth plate is 120 mm, the width of the fifth plate is 135 mm, the width of the sixth plate is 150 mm, the width of the seventh plate is 165 mm, and the width of the eighth plate is 180 mm.
[0027] There are 4 inclined plates, the upper inclined plate has a folding angle of 170°, the second inclined plate has a folding angle of 160°, the third inclined plate has a folding angle of 150°, and the lower inclined plate has a folding angle of 140°;
[0028] The width of the air distribution plate (2) at the entrance of the dust collector box is 60 mm, the width of the second plate is 75 mm, the width of the third plate is 90 mm, the width of the third plate is 105 mm, the width of the fourth plate is 120 mm, the width of the fifth plate is 135 mm, the width of the sixth plate is 150 mm, the width of the seventh plate is 165 mm, and the width of the eighth plate is 180 mm.
[0029] Embodiment 1:
[0030] A small online dust collector with a processing air volume of 5000m 3 / h, flue gas temperature is 200℃, initial dust concentration is 3g / Nm 3 The dust collector consists of an upper box and a lower box, separated by a flower plate. The size of the upper box is 1900×1700×250mm, and the size of the lower box is 2100×1700×2200mm. A drawer structure is used to collect dust.
[0031] The dust collector does not have the air distribution structure of the present invention, and the interior of the dust collector is only separated by a partition, and the smoke flows at the bottom of the partition.
[0032] Embodiment 2:
[0033] A small online dust collector with a processing air volume of 5000m 3 / h, flue gas temperature is 200℃, initial dust concentration is 3g / Nm 3 The dust collector consists of an upper box and a lower box, separated by a flower plate. The size of the upper box is 1900×1700×250mm, and the size of the lower box is 2100×1700×2200mm. A drawer structure is used to collect dust.
[0034] The air distribution structure of the dust collector is composed of a baffle plate 1 at the dust collector inlet, an air distribution plate 2 inside the box body, and a cavity 3 formed by the air distribution plate.
[0035] The dust collector inlet size is 200×500mm, with 4 inclined plates evenly arranged and inclined downward, the top inclined plate 4 has a folding angle of 170°, the second inclined plate 5 has a folding angle of 160°, the third inclined plate 6 has a folding angle of 150°, and the bottom inclined plate 7 has a folding angle of 140°.
[0036] There are 8 air distribution plates inside the dust collector. The air distribution plates are of "T"-shaped structure, and there is a 60mm gap between two adjacent "T"-shaped plates. The width of the "T"-shaped plate cavity side increases from the dust collector inlet: the plate width at the inlet is 60mm, the second plate width is 75mm, the third plate width is 90mm, the third plate width is 105mm, the fourth plate width is 120mm, the fifth plate width is 135mm, the sixth plate width is 150mm, the seventh plate width is 165mm, and the eighth plate width is 180mm.
[0037] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above specific embodiments. The above specific embodiments and the description in the specification are only for further illustrating the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the claims and their equivalents.
Claims
1. An air distribution structure of a bag filter, characterized in that: It comprises a dust collector housing, a baffle plate (1), an air distribution plate (2) and a cavity (3) formed by the air distribution plate. The baffle plate (1) is arranged at the inlet of the dust collector housing, and the baffle plate (1) comprises a plurality of inclined plates, and the distance between two adjacent inclined plates is 100 to 120 mm. The air distribution plate (2) is plugged into the dust collector housing; the air distribution plate (2) is T-shaped, and the gap between two adjacent T-shaped plates is 60 to 80 mm.
2. The air distribution structure of a bag filter according to claim 1 is characterized in that: The inclined plate has a fold angle and is inclined downward, the fold angle of the upper inclined plate is 170-175 degrees, the fold angle of the lower inclined plate is 135-145 degrees, and the fold angle of the middle inclined plate increases uniformly from top to bottom.
3. The air distribution structure of a bag filter according to claim 1 is characterized in that: The width of the air distribution plate (2) increases gradually at the inlet of the dust collector box.
4. The air distribution structure of a bag filter according to claim 1 is characterized in that: There are four inclined plates, the upper inclined plate has a folding angle of 170°, the second inclined plate has a folding angle of 160°, the third inclined plate has a folding angle of 150°, and the lower inclined plate has a folding angle of 140°.
5. The air distribution structure of a bag filter according to claim 1, characterized in that: The width of the air distribution plate (2) at the entrance of the dust collector box is 60 mm, the width of the second plate is 75 mm, the width of the third plate is 90 mm, the width of the third plate is 105 mm, the width of the fourth plate is 120 mm, the width of the fifth plate is 135 mm, the width of the sixth plate is 150 mm, the width of the seventh plate is 15565 mm, and the width of the eighth plate is 180 mm.
6. The air distribution structure of a bag filter according to claim 1, characterized in that: There are four inclined plates, the upper inclined plate has a folding angle of 170°, the second inclined plate has a folding angle of 160°, the third inclined plate has a folding angle of 150°, and the lower inclined plate has a folding angle of 140°; The width of the air distribution plate (2) at the entrance of the dust collector box is 60 mm, the width of the second plate is 75 mm, the width of the third plate is 90 mm, the width of the third plate is 105 mm, the width of the fourth plate is 120 mm, the width of the fifth plate is 135 mm, the width of the sixth plate is 150 mm, the width of the seventh plate is 165 mm, and the width of the eighth plate is 180 mm.
Citation Information
Cited By
Air distribution structure of bag type dust collector
CN117463066A