Efficient dust removal device in limited space

Abstract

The invention discloses an efficient dust removal device in a limited space. The efficient dust removal device comprises a main machine shell, and the lower portion of the main machine shell is tangentially connected with an air inlet pipe; a supporting pipe frame is arranged in the main machine shell, a spraying main pipe is arranged in the supporting pipe frame, a plurality of spraying branch pipes are connected to the spraying main pipe, and atomizing nozzles are arranged on the spraying branch pipes; and a spirally upward flow guide device is arranged between the main machine shell and the supporting pipe frame. The efficient dust removal device in the limited space has the advantages of being small in equipment size, high in reliability, good in dust removal effect and low in use and maintenance cost.

Description

Technical Field

[0001] The invention relates to the field of dust removal equipment, and in particular to a high-efficiency dust removal device in a confined space. Background Art

[0002] The dust removal device in the confined space is a gas dust removal device used in confined spaces such as cabins. According to the different dust removal principles, the dust removal device can be divided into electrostatic dust removal and bag dust removal. The electrostatic dust removal device has problems such as large efficiency fluctuations and high equipment costs; while the dust removal effect of the bag dust removal device is greatly affected by the type of filter material and the dust layer peeling effect, and the filter material often needs to be replaced frequently, the use and maintenance costs are high, and the equipment is large in size, which is not suitable for operations in confined spaces. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a high-efficiency dust removal device in a confined space, which has high dust removal efficiency, simple structure, small size and low use and maintenance cost.

[0004] The present invention is achieved by adopting the following technical solutions.

[0005] A high-efficiency dust removal device in a confined space comprises a main body shell, the lower part of which is tangentially connected to an air inlet pipe; a supporting pipe rack is provided in the main body shell, a spray main pipe is provided in the supporting pipe rack, a plurality of spray branch pipes are connected to the spray main pipe, and an atomizing nozzle is provided on the spray branch pipe; a spiral upward flow guide device is provided between the main body shell and the supporting pipe rack.

[0006] Furthermore, the guide device includes an air induction plate, a dust removal plate and a drying plate which are arranged in sequence from bottom to top.

[0007] Furthermore, the air induced plate is a double-layer spiral structure, and the air inlet pipe is located between the air induced plate and the dust removal plate.

[0008] Furthermore, in the spiral direction, a discharge port is provided between the air induced plate and the dust removal plate.

[0009] Furthermore, the dust removal plate is a multi-layer spiral structure, and a diversion port is provided on each layer of the spiral structure of the dust removal plate.

[0010] Furthermore, spray branches are provided between two adjacent layers of spiral structures of the dust removal plate.

[0011] Furthermore, an air duct is provided on the top of the main housing, and an air duct fan is provided on the top of the air duct.

[0012] Furthermore, a drain outlet is provided at the bottom of the main body shell.

[0013] Furthermore, the host housing is arranged on the host base, and the host base adopts a three-point support structure.

[0014] Furthermore, the atomizing nozzles are evenly distributed on the spray branch pipes in a clockwise direction when viewed from above.

[0015] This application has the following beneficial effects.

[0016] The confined space high-efficiency dust removal device of the present invention has a simple structure, a small equipment volume, high dust removal efficiency and stable effect, low equipment cost, convenient use and maintenance, high safety and reliability, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a half-section view of the present invention;

[0018] Figure 2 is a side view of the present invention;

[0019] Figure 3 It is a perspective view of the present invention.

[0020] Among them, 1. induced draft fan, 2. induced draft duct, 3. main unit housing, 4. main unit base, 5. spray main pipe, 6. flow guide device, 7. spray branch pipe, 8. supporting pipe rack, 9. atomizing nozzle, 10. drain outlet, 11. discharge outlet, 12. induced draft plate, 13. air inlet duct, 14. dust removal plate, 15. diversion outlet, 16. drying plate. DETAILED DESCRIPTION

[0021] The present patent application is further described below in conjunction with embodiments.

[0022] like Figure 1-3 As shown, a high-efficiency dust removal device in a confined space includes a main body shell 3 arranged on a main body base 4. The main body base 4 adopts three-point support and has a more stable structure. The upper part of the main body shell 3 is a cylindrical structure, and the lower part is an inverted conical structure, which mainly serves to isolate the inside and the outside. A drain port 10 is provided at the bottom of the main body shell 3 for discharging sewage.

[0023] A support pipe rack 8 of a hollow cylindrical structure is arranged inside the main housing 3, which mainly plays a supporting role. A spray main pipe 5 is arranged inside the support pipe rack 8, and a spray branch pipe 7 is arranged on the spray main pipe 5. Atomizing nozzles 9 are distributed on the spray branch pipe 7. The spray main pipe 5, the spray branch pipe 7 and the atomizing nozzles 9 mainly play the role of introducing dust removal liquid and generating dust removal spray. Specifically, the spray main pipe 5 is introduced from the outside through the reserved holes on the main housing 3 and the support pipe rack 8, passes upward through the internal space of the support pipe rack 8, and is connected to the spray branch pipe 7 through the reserved holes on the support pipe rack 8. The spray branch pipe 7 is distributed on one side of the spray main pipe 5, and is parallel to each other and evenly distributed on the spray main pipe 5. The atomizing nozzles 9 are evenly distributed on the spray branch pipe 7, and the direction is clockwise when viewed from above.

[0024] A spiral upward flow guide device 6 is provided between the support pipe frame 8 and the main body housing 3. Specifically, the flow guide device 6 includes an air induction plate 12, a dust removal plate 14 and a drying plate 16 arranged in sequence from bottom to top. The air induction plate 12 is a double-layer spiral structure, located in the lowest space of the cylindrical section of the main body housing 3, and mainly plays the role of guiding the movement of the dust-laden airflow. The main body housing 3 is provided with an air inlet pipe 13 at a position between the air induction plate 12 and the dust removal plate 14. The dust-laden gas enters from the tangential direction of the air inlet pipe 13, and the air induction plate 12 causes the gas to flow upward in a spiral. Above the induced draft plate 12 is the dust removal plate 14. In the spiral direction, a discharge port 11 is provided between the induced draft plate 12 and the dust removal plate 14, which is used to discharge the sewage flowing down from the upper layer to the bottom of the device. The dust removal plate 14 is a multi-layer spiral structure, and each layer is provided with a diversion port 15, which is used to divert the sewage accumulated in each layer downward to form a water curtain to increase the dust removal effect. A spray branch pipe 7 is provided between two adjacent layers of the spiral structure of the dust removal plate 14. The direction of the atomizing nozzle 9 on the spray branch pipe 7 is opposite to the gas flow direction, and is used to perform dust removal operations on the dust-containing gas spiraling upward. The upper layer of the dust removal plate 14 is a drying plate 16, which is used to extend the air duct to achieve the effect of drying the air.

[0025] An induced draft duct 2 is disposed on the top of the main housing 3, and an induced draft fan 1 is disposed on the top of the induced draft duct 2 for drawing out gas to generate negative pressure, thereby driving the dust-laden gas to continuously flow upward in a spiral.

[0026] The present invention adopts reverse spray dust removal. The dust-containing gas enters from the lower air inlet pipe 13, flows upward along the spiral air induced draft plate 12, passes through the dust removal plate 14 and the spray system, enters the drying plate 16, and is finally discharged from the top draft fan 1 through the air induced draft pipe 2. The water mist generated by the spray system flows downward along the spiral multi-layer dust removal plate 14, and forms a water curtain at the diversion port 15 of each layer of dust removal plate 14, thereby enhancing the dust removal effect. The discharge port 11 between the air induced draft plate 12 and the dust removal plate 14 is used to drain the upper layer of water to the bottom and discharge it from the bottom drain port 10 to avoid affecting the introduction of the dust-containing gas. The discharged water can also be recycled.

[0027] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An efficient dust removal device in a confined space, comprising a main body housing (3), characterized in that: The lower part of the main unit housing (3) is tangentially connected to an air inlet pipe (13); a support pipe rack (8) is provided in the main unit housing (3); a spray main pipe (5) is provided in the support pipe rack (8); a plurality of spray branch pipes (7) are connected to the spray main pipe (5); and an atomizing nozzle (9) is provided on the spray branch pipe (7); a spiral upward flow guide device (6) is provided between the main unit housing (3) and the support pipe rack (8).

2. The high-efficiency dust removal device in a confined space according to claim 1, characterized in that: The flow guide device (6) comprises an air induction plate (12), a dust removal plate (14) and a drying plate (16) which are arranged in sequence from bottom to top.

3. The high-efficiency dust removal device in a confined space according to claim 2, characterized in that: The air induction plate (12) is a double-layer spiral structure, and the air inlet pipe (13) is located between the air induction plate (12) and the dust removal plate (14).

4. The high-efficiency dust removal device in a confined space according to claim 2, characterized in that: In the spiral direction, a discharge port (11) is provided between the air induction plate (12) and the dust removal plate (14).

5. The high-efficiency dust removal device in a confined space according to claim 2, characterized in that: The dust removal plate (14) is a multi-layer spiral structure, and a diversion port (15) is provided on each layer of the spiral structure of the dust removal plate (14).

6. The high-efficiency dust removal device in a confined space according to claim 2, characterized in that: A spray branch pipe (7) is provided between two adjacent layers of the spiral structure of the dust removal plate (14).

7. The high-efficiency dust removal device in a confined space according to claim 1, characterized in that: An induced draft duct (2) is arranged on the top of the main engine housing (3), and an induced draft fan (1) is arranged on the top of the induced draft duct (2).

8. The high-efficiency dust removal device in a confined space according to claim 1, characterized in that: A drainage outlet (10) is provided at the bottom of the main housing (3).

9. The high-efficiency dust removal device in a confined space according to claim 1, characterized in that: The host housing (3) is arranged on a host base (4), and the host base (4) adopts a three-point support structure.

10. The high-efficiency dust removal device in a confined space according to claim 1, characterized in that: The atomizing nozzles (9) are evenly distributed on the spray branch pipe (7) in a clockwise direction when viewed from above.

Images