Balanced negative pressure dust collector

Abstract

The utility model provides a negative pressure balancing dust collector which comprises a box body, and an air inlet and an air outlet are formed in the two ends of the top of the box body respectively. A control area and a working area are arranged in the box body; a fan assembly is arranged in the control area, the fan assembly is communicated with the working area, and the fan assembly works to enable negative pressure to be formed in the working area; the air inlet is communicated with the working area, and the air outlet is communicated with the fan assembly; a filtering assembly is arranged in the working area, and gas is exhausted through the gas inlet, the working area, the fan assembly and the gas outlet in sequence; and the filtering assembly is used for filtering dust in the gas. According to the utility model, the large-scale dust collection operation in the industry can be completed, the filter element can be reversely blown, and the service life of the filter element is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial dust collector field especially, it relates to a balanced negative pressure dust collector. BACKGROUND

[0002] When carrying out dust collection in industrial field, in order to adapt to the dust collection of larger range, the conventional small dust collector cannot reach better dust collection effect, in order to reach better dust collection effect, can increase filter core and carry out filtration to dust, but filter core is covered with dust after working for a period of time, but the replacement of filter core of industrial dust collector is more complex, and it is very inconvenient, so how to complete the treatment of filter core dust is an urgent problem to be solved. CONTENT OF UTILITY MODEL

[0003] Therefore, the utility model aims at providing a balanced negative pressure dust collector, which can complete the dust collection of large range in industry and also achieve backflushing of filter core to prolong the service life of filter core.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] A balanced negative pressure dust collector, comprising a box body, air inlets and air outlets are arranged at the top of the box body respectively;

[0006] The box body is internally provided with a control area and a working area; a fan assembly is arranged in the control area, the fan assembly is communicated with the working area, and the fan assembly forms negative pressure in the working area when working; the air inlet is communicated with the working area, and the air outlet is communicated with the fan assembly;

[0007] A filter assembly is arranged in the working area, and gas is discharged in sequence through the air inlet, the working area, the fan assembly and the air outlet; the filter assembly filters dust in the gas.

[0008] Further, the working area is formed with an installation area, an air inlet area and an air outlet area through a plurality of partitions, the filter assembly is installed to the installation area, the air inlet area is communicated with the air inlet, and the air outlet area is communicated with the air outlet;

[0009] A through hole is arranged below the side close to the air inlet area of the installation area, and the installation area and the air inlet area are communicated through the through hole; a plurality of filter ports are uniformly arranged on the top of the installation area, and the installation area is communicated with the air outlet area through the filter ports to form a passage.

[0010] Further, the filter assembly is composed of a plurality of filter cores, and the plurality of filter cores are one-to-one installed to the filter ports on the top of the installation area.

[0011] Further, the fan assembly comprises a fan body, an impeller body and an impeller bin; the fan body is installed to the working area through the impeller bin and communicated with the air outlet area;

[0012] The impeller body is mounted to the inside of the impeller bin and connected with the output end of the fan body;

[0013] The upper portion of the impeller bin is provided with a flexible connecting pipeline, which is communicated with the air outlet.

[0014] Further, the box is further provided with a pulse back flushing assembly, which comprises a back flushing gas bag, a back flushing main pipe and back flushing branch pipes;

[0015] The back flushing gas bag is mounted to the control area, and the back flushing branch pipes are mounted above the mounting area, each of the back flushing branch pipes is provided with a plurality of air holes corresponding to the filtering openings;

[0016] The back flushing branch pipes are communicated to the back flushing gas bag through the back flushing main pipe;

[0017] The back flushing gas bag works, and the back flushing gas realizes back flushing to the filter core through the air holes, thereby realizing the removal of the dust of the filter core.

[0018] Further, the bottom plate of the working area is provided with a discharging hole, and a collecting hopper is arranged below the working area, which is used for collecting the dust of the filter core.

[0019] Further, the bottom of the discharging hole is provided with a guide rail, and the collecting hopper is provided with a clamping groove corresponding to the guide rail, so as to realize the clamping connection between the collecting hopper and the bottom plate of the working area, thereby improving the sealing performance.

[0020] Compared with the prior art, the balanced negative pressure dust collector has the following advantages:

[0021] (1) The balanced negative pressure dust collector is used in work, is suitable for large-scale dust collection operation, has strong and efficient performance, and has good dust collection effect.

[0022] (2) The balanced negative pressure dust collector realizes the cleaning of the filter core by arranging the pulse back flushing assembly, prolongs the service life of the filter core, and saves the use cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application and are incorporated herein for illustrative purposes. The embodiments of the application described herein are described in terms of technical features. The description of the embodiments of the application is not intended to limit the application, but to explain the application. In the drawings:

[0024] Figure 1 It is a schematic view of the balanced negative pressure dust collector according to the embodiments of the application;

[0025] Figure 2 It is an exploded schematic view of the balanced negative pressure dust collector according to the embodiments of the application;

[0026] Figure 3 An internal schematic diagram of the balanced negative pressure dust collector according to the embodiments of the present application is shown in the figure.

[0027] Figure 4 A schematic diagram of the fan assembly according to the embodiments of the present application is shown in the figure.

[0028] Figure 5 A schematic diagram of the pulse back-blowing assembly according to the embodiments of the present application is shown in the figure.

[0029] Explanation of reference signs:

[0030] 1, box; 11, air inlet; 12, air outlet; 13, control area; 14, working area; 141, mounting area; 142, air inlet area; 143, air outlet area; 144, via hole; 145, filter port; 2, fan assembly; 21, fan body; 22, impeller body; 23, impeller compartment; 24, flexible connecting pipeline; 3, filter assembly; 4, pulse back-blowing assembly; 41, back-blowing gas bag; 42, back-blowing main pipe; 43, back-blowing branch pipe; 44, air hole; 5, collecting hopper. DETAILED DESCRIPTION

[0031] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0032] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0034] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0035] A type of balanced negative pressure vacuum cleaner, such as Figures 1-5 As shown, it includes a housing 1, and the top two ends of the housing 1 are respectively provided with an air inlet 11 and an air outlet 12;

[0036] The housing 1 is provided with a control area 13 and a working area 14; the control area 13 is provided with a fan assembly 2, which is connected to the working area 14. The operation of the fan assembly 2 creates a negative pressure in the working area 14; the air inlet 11 is connected to the working area 14, and the air outlet 12 is connected to the fan assembly 2.

[0037] The working area 14 is equipped with a filter assembly 3. The gas passes through the air inlet 11, the working area 14, the fan assembly 2, and the air outlet 12 in sequence before being discharged. The filter assembly 3 filters the dust in the gas.

[0038] Preferably, the working area 14 is divided into an installation area 141, an air inlet area 142 and an air outlet area 143 by several partitions. The filter assembly 3 is installed in the installation area 141, the air inlet area 142 is connected to the air inlet 11, and the air outlet area 143 is connected to the air outlet 12.

[0039] The mounting area 141 is provided with a through hole 144 on the side below the air intake area 142, and the mounting area 141 and the air intake area 142 are connected through the through hole 144; the top of the mounting area 141 is provided with several evenly distributed filter ports 145, and the mounting area 141 is connected to the air outlet area 143 through the filter ports 145 to form a passage.

[0040] Preferably, the filter assembly 3 is composed of several filter elements, and the filter elements are installed one-to-one with the filter port 145 at the top of the installation area 141.

[0041] Preferably, the fan assembly 2 includes a fan body 21, an impeller body 22, and an impeller chamber 23; the fan body 21 is installed in the working area 14 through the impeller chamber 23 and is connected to the air outlet area 143.

[0042] The impeller body 22 is installed inside the impeller compartment 23 and connected to the output end of the fan body 21;

[0043] The upper portion of the impeller bin 23 is provided with a flexible connecting pipeline 24, which is communicated with the air outlet 12.

[0044] Preferably, the box 1 is further provided with a pulse back-blowing assembly 4, which comprises a back-blowing gas bag 41, a back-blowing main pipe 42 and a plurality of back-blowing branch pipes 43.

[0045] The back-blowing gas bag 41 is installed to the control area 13, and the back-blowing branch pipes 43 are installed above the installation area 141, each of which is provided with a plurality of air holes 44 corresponding to the filtering openings 145.

[0046] The back-blowing branch pipes 43 are communicated to the back-blowing gas bag 41 through the back-blowing main pipe 42.

[0047] When the back-blowing gas bag 41 works, the back-blowing gas realizes back-blowing to the filter core through the air holes 44, thereby removing the dust on the filter core.

[0048] Preferably, the bottom plate of the working area 14 is provided with a discharging hole, and the collecting hopper 5 is arranged below the working area 14, which is used for collecting the dust of the filter core.

[0049] Preferably, the bottom of the discharging hole is provided with a guide rail, and the collecting hopper 5 is provided with a clamping groove corresponding to the guide rail, so as to realize the clamping cooperation between the collecting hopper 5 and the bottom plate of the working area 14, thereby improving the sealing performance; this is an embodiment.

[0050] As another embodiment, a pipeline for collecting dust can also be installed to the discharging hole, so as to realize the centralized collection of the filtered dust.

[0051] The side of the box 1 is further provided with an area for placing a fire extinguisher.

[0052] Working principle: the fan assembly 2 works, so that the negative pressure is formed in the box 1, the gas with dust enters the working area 14 through the air inlet 11, and then the filter core of the working area 14 absorbs the dust, and the gas with the absorbed dust continues to advance and is discharged through the air outlet 12.

[0053] After the dust collection is completed, a large amount of dust is left on the filter core, at this time, the fan assembly 2 is closed, the pulse back-blowing assembly 4 is opened, the back-blowing gas bag 41 works, blows the gas, blows off the dust on the filter core into the collecting hopper 5, and then the hopper is pushed out for statistical processing.

[0054] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A balanced negative pressure vacuum cleaner, characterized in that: The box includes a housing, with an air inlet and an air outlet at each of the top two ends of the housing; The enclosure is equipped with a control area and a working area. The control area is equipped with a fan assembly, which is connected to the working area. When the fan assembly is working, it creates negative pressure in the working area. The air inlet is connected to the working area, and the air outlet is connected to the fan assembly. The working area is equipped with a filter assembly, and the gas passes through the air inlet, working area, fan assembly and air outlet in sequence; the filter assembly filters the dust in the gas.

2. The balanced negative pressure vacuum cleaner according to claim 1, characterized in that: The working area is divided into an installation area, an air inlet area, and an air outlet area by several partitions. The filter assembly is installed in the installation area, the air inlet area is connected to the air inlet, and the air outlet area is connected to the air outlet. The mounting area has a through hole on the lower side near the air intake area, which connects the mounting area and the air intake area. The top of the mounting area has several evenly distributed filter ports, which connect the mounting area and the air outlet area to form a passage.

3. A balanced negative pressure vacuum cleaner according to claim 2, characterized in that: The filter assembly consists of several filter elements, which are installed one by one at the filter port at the top of the installation area.

4. A balanced negative pressure vacuum cleaner according to claim 2, characterized in that: The fan assembly includes a fan body, an impeller body, and an impeller compartment; the fan body is installed in the working area and communicates with the air outlet area through the impeller compartment. The impeller body is installed inside the impeller compartment and connected to the output end of the fan body; The upper part of the impeller compartment is equipped with a flexible connecting pipe, which is connected to the air outlet.

5. A balanced negative pressure vacuum cleaner according to claim 2, characterized in that: The chamber is also equipped with a pulse backflush assembly, which includes a backflush air manifold, a backflush main pipe, and a backflush branch pipe. The backflush air manifold is installed in the control area, and several backflush branch pipes are installed above the installation area. Each backflush branch pipe is provided with several air holes, and the air holes correspond to the filter ports. Several backflush branch pipes are connected to the backflush air manifold via the main backflush pipe; When the backflush air manifold is in operation, the backflush gas passes through the air holes to backflush the filter element, thereby removing dust from the filter element.

6. A balanced negative pressure vacuum cleaner according to claim 2, characterized in that: The bottom plate of the working area is provided with a discharge hole, and a collection hopper is provided below the working area. The collection hopper is used to collect dust from the filter element.

7. A balanced negative pressure vacuum cleaner according to claim 6, characterized in that: The bottom of the discharge hole is equipped with a guide rail, and the collection hopper is equipped with a slot corresponding to the guide rail, so as to realize the snap-fit ​​between the collection hopper and the bottom plate of the working area, thereby improving the sealing performance.

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