Vacuum dust removal separator

Abstract

The utility model relates to a vacuum dust removal separator, including shell and filter element, the shell is provided with air inlet chamber, separation chamber and dust storage chamber that are communicated, the air inlet chamber is used for guiding air into the separation chamber obliquely downward, the upper end of the separation chamber is provided with an exhaust port used for being communicated with the inlet of inlet filter, and the lower end of the separation chamber is provided with an exhaust port used for being communicated with the outlet of inlet filter. At least part of the lower end of the separation cavity is shrunk from top to bottom, and the dust storage cavity is formed in the lower end of the separation cavity; the filter element is mounted in the separation cavity corresponding to the exhaust port; the vacuum dust removal separator is used for pre-treating air in front of an inlet filter, greatly reducing the frequency of cleaning or replacing a filter element of the inlet filter and the starting and stopping frequency of equipment, greatly improving the efficiency of the vacuum equipment, and reducing consumables and labor cost.

Description

Technical Field

[0001] The utility model relates to the field of filters, in particular to a vacuum dust removal separator. Background Art

[0002] Compressors are widely used in various industries such as sewage treatment, thermal power generation, cement chemical industry, semiconductors, food and medicine, textile printing and dyeing, leather and papermaking, and energy saving and consumption reduction are the development trends of many industries now.

[0003] In the existing vacuum dust removal system, when the intake medium contains a lot of paper scraps, impurities, etc., the inlet filter is frequently blocked and the filter element is frequently cleaned or replaced, which will lead to the following problems: First, the vacuum equipment is frequently started and stopped, affecting efficiency. Second, the filter element is frequently replaced, increasing costs. Third, the operator cleans or replaces the filter element frequently, which is a heavy workload. Utility Model Content

[0004] Based on the above description, the utility model provides a vacuum dust separator to solve the problems of frequent clogging of the inlet filter of the existing vacuum dust removal system, frequent cleaning or replacement of the filter element, resulting in high energy consumption, high consumables cost and poor operability.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A vacuum dust separator, comprising:

[0007] The housing is provided with an air inlet chamber, a separation chamber and a dust storage chamber which are connected to each other, the air inlet chamber is used to introduce air obliquely downward into the separation chamber, the upper end of the separation chamber has an exhaust port for communicating with the inlet of the inlet filter, at least a part of the lower end of the separation chamber is reduced from top to bottom, and the dust storage chamber is arranged at the lower end of the separation chamber; and

[0008] The filter element is installed in the separation chamber corresponding to the exhaust port.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, at least one of the upper cavity wall and the lower cavity wall of the air inlet cavity is arranged obliquely downward in a direction close to the separation cavity.

[0011] Furthermore, the housing comprises:

[0012] A first shell portion, the upper end of which is provided with a first opening on the circumferential side thereof for connecting the inner cavity thereof with the external environment;

[0013] a second shell portion, mounted on the first shell portion and having a second opening corresponding to the first opening; and

[0014] An air guide plate connected to the lower side of the first opening and extending obliquely downward into the second opening;

[0015] The air inlet cavity is formed in the inner cavity of the second shell portion, the separation cavity is formed in the inner cavity of the first shell portion, and the exhaust port is arranged at the upper end of the first shell portion and spaced apart from the first opening.

[0016] Furthermore, the first shell portion includes:

[0017] A filter portion extending in an up-down direction; and

[0018] A material collecting part is arranged in the inner cavity of the filter part, the material collecting part is vertically through-set, and the cross-sectional area of ​​the material collecting part is reduced from top to bottom, and the peripheral side surface of the upper end of the material collecting part is connected to the cavity wall of the inner cavity of the filter part;

[0019] The filter element is arranged in the inner cavity of the filter part.

[0020] Furthermore, the housing comprises:

[0021] A third shell portion, an upper end of which is provided with a third opening and a fourth opening spaced apart from each other; and

[0022] A first cover body, detachably covering the fourth opening;

[0023] The dust storage chamber is formed in the inner cavity of the third shell portion and is communicated with the separation chamber through the third opening.

[0024] Furthermore, a discharge port for communicating with the external environment is provided on the peripheral side of the third shell portion, and the area of ​​the discharge port is larger than the area of ​​the fourth opening;

[0025] The shell body also includes a second cover body, and the other end of the second cover body is rotatably mounted on the discharge port, and the other end can be rotated to open or close the discharge port.

[0026] Furthermore, the filter element is arranged in a cone shape with the tip facing downward.

[0027] The air inlet cavity is arranged in a spiral shape.

[0028] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0029] The air inlet chamber is used to introduce air obliquely downward into the separation chamber, and the exhaust port is used to communicate with the inlet of the inlet filter. When the inlet filter is operating, air enters the inlet filter from the air inlet chamber through the separation chamber and from the exhaust port, so that the air entering the separation chamber from the air inlet chamber has a pre-rotation power, so that the gas can spirally rotate in the separation chamber; therefore, under the action of centrifugal force, the gas with higher density, paper scraps and impurities are sucked into the filter element, and the paper scraps and impurities with higher density are separated into the separation chamber, and under the influence of gravity, they fall along the inclined wall of the separation chamber or directly into the dust storage chamber. In this way, the gas sent to the inlet filter can be pre-treated, frequent blockage of the inlet filter can be avoided, energy consumption can be reduced, the cost of consumables can be reduced, and operability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 A perspective structural diagram of a vacuum dust separator provided by an embodiment of the utility model;

[0031] Figure 2 for Figure 1 A front view schematic diagram of

[0032] Figure 3 for Figure 1 A side view schematic diagram of

[0033] Figure 4 A cross-sectional schematic diagram of a vacuum dust separator provided in an embodiment of the utility model.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 1. Shell; 11. First shell part; 111. Separation chamber; 112. First opening; 113. Filter part; 114. Aggregate part; 115. Exhaust port; 12. Second shell part; 121. Inlet chamber; 122. Second opening; 123. Inlet port; 13. Air guide plate; 14. Third shell part; 141. Third opening; 142. Fourth opening; 143. Dust storage chamber; 144. Discharge port; 15. First cover body; 16. Second cover body; 2. Filter element. DETAILED DESCRIPTION

[0036] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0038] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0039] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0040] Reference Figure 1 and Figure 4 The utility model provides a vacuum dust separator, comprising:

[0041] The housing 1 is provided with an air inlet chamber 121, a separation chamber 111 and a dust storage chamber 143 which are connected to each other. The air inlet chamber 121 is used to introduce air obliquely downward into the separation chamber 111. The upper end of the separation chamber 111 has an exhaust port 115 which is connected to the inlet of the inlet filter. At least a part of the lower end of the separation chamber 111 is reduced from top to bottom. The dust storage chamber 143 is provided at the lower end of the separation chamber 111; and

[0042] The filter element 2 is installed in the separation chamber 111 corresponding to the exhaust port 115 .

[0043] The vacuum dust separator is used to be installed before the inlet filter, and the exhaust port 115 of the vacuum dust separator is connected to the inlet filter to pre-treat the intake medium; when the inlet filter is in operation, the air enters the separation chamber 111 from the air intake chamber 121, and according to the pre-rotation power of the air entering the separation chamber 111 and the suction force of the inlet filter on the air, the gas in the separation chamber 111 can rotate in the separation chamber 111, so that under the centrifugal force of the rotating gas, the gas with higher density, paper scraps and impurities are sucked into the filter element 2, and the paper scraps and impurities with higher density are separated into the separation chamber 111, and under the influence of gravity, they fall along the inclined wall of the separation chamber 111 or directly into the dust storage chamber 143. In this way, the gas sent to the inlet filter can be pre-treated, and the frequent blockage of the inlet filter can be avoided, energy consumption can be reduced, and the cost of consumables can be reduced, and the operability is high.

[0044] Specifically, refer to Figure 1 and Figure 4 In this embodiment, the shell 1 includes a first shell portion 11 and a second shell portion 12, and the first shell 1 is provided with a first opening 112 on the circumferential side of the upper end thereof for connecting its inner cavity with the external environment; the second shell portion 12 is installed on the first shell portion 11, and is provided with a second opening 122 corresponding to the first opening 112, and the second shell portion 12 is also provided with an air inlet 123 for connecting its inner cavity with the external environment; the air inlet cavity 121 is formed in the inner cavity of the second shell portion 12, and the separation cavity 111 is formed in the inner cavity of the first shell portion 11, and the exhaust port 115 is provided at the upper end of the first shell portion 11 and is spaced apart from the first opening 112, and the air inlet cavity 121 and the separation cavity 111 are connected through the first opening 112 and the second opening 122.

[0045] In the second shell portion 12, the air inlet 123 is located obliquely above the second opening 122. In order to allow the air to have a downward pre-spin force when entering the separation chamber 111 from the air inlet chamber 121, in one embodiment, the upper cavity wall of the air inlet chamber 121 is arranged obliquely downward close to the separation chamber 111. In another embodiment, the lower cavity wall of the air inlet chamber 121 is arranged obliquely downward close to the separation chamber 111. In this way, the air can be introduced obliquely downward into the separation chamber 111, and the structure is simple and easy to set up.

[0046] It should be noted that the above two embodiments can be set either one or both. Setting them both together will have a better effect and the power of the downward pre-swirl of air will be more stable.

[0047] In this embodiment, refer to Figures 1 to 3The separation chamber 111 is arranged in a spiral shape, and the air inlet 123 is located at the upper end surface of the second shell portion 12. The second shell portion 12 is also spiral-shaped. The second shell portion 12 surrounds at least part of the outer circumference of the upper end of the first shell portion 11. In this way, the appearance is beautiful and space is saved.

[0048] Further, refer to Figure 4 The second shell 12 also includes an air guide plate 13, which is connected to the lower side of the first opening 112 and extends obliquely downward into the second opening 122; the air guide plate 13 guides the air entering the separation chamber 111 obliquely downward to ensure that the incoming gas has a certain downward pre-spinning power.

[0049] To filter the incoming air, refer to Figure 1 and Figure 4 The first shell 11 includes a filter part 113 and a collection part 114, and the filter part 113 extends in the up-down direction; the collection part 114 is arranged in the inner cavity of the filter part 113, and the collection part 114 is arranged to be through-connected in the up-down direction, and the peripheral side surface of the upper end of the collection part 114 is connected to the cavity wall of the inner cavity of the filter part 113, and the inner cavity of the collection part 114 and the inner cavity of the filter part 113 are surrounded by the separation cavity 111, and the filter element 2 is arranged in the inner cavity of the filter part 113; after the air enters the separation cavity 111, under the action of centrifugal force, the gas, paper scraps and impurities with lower density are sucked into the filter element 2, and the cross-sectional area of ​​the collection part 114 is gradually reduced from top to bottom, so that the paper scraps and impurities with higher density enter the dust storage cavity 143 along the cavity wall of the inner cavity of the collection part 114; in this way, most of the gas, paper scraps and impurities in the air can be pre-treated, and the filtering efficiency is high.

[0050] It should be noted that the shapes of the filter portion 113, the material collecting portion 114 and the filter element 2 are not limited. Figure 1 and Figure 4The filter part 113 is arranged in a columnar shape, that is, it has a columnar inner cavity, the collecting part 114 is arranged in a conical shape, and the inner cavity is also conical, so that paper scraps and impurities with higher density can fall into the dust collecting cavity more easily, and the outer periphery of the upper end surface of the collecting part 114 abuts against the cavity wall of the inner cavity of the filter part 113; the filter element 2 is arranged in the filter part 113 accordingly, so that the rotating air can be easily inhaled into the filter element 2; in addition, a plurality of small holes are provided on the surface of the filter element 2. During the filtering process, larger paper scraps or impurities will be placed on the outer peripheral surface of the filter element 2. The filter element 2 is arranged in a conical shape with the tip facing downward, and the rotating gas can more easily carry away the paper scraps and impurities on the outer peripheral surface of the filter element 2, and then rotate and separate again in the separation cavity 111. Such an arrangement can avoid clogging of the filter element 2, extend the service life, and save costs.

[0051] In this embodiment, the diameter of the small holes on the surface of the filter element 2 is d, and d≤2 mm.

[0052] Specifically, in this embodiment, continue to refer to Figure 1 and Figure 4 The shell 1 includes a third shell portion 14 and a first cover body 15. The upper end of the third shell portion 14 is provided with a third opening 141 and a fourth opening 142 spaced apart from each other. The dust storage chamber 143 is formed in the inner cavity of the third shell portion 14 and is connected with the separation chamber 111 through the third opening 141. Therefore, the paper scraps and impurities with higher density separated from the separation chamber 111 are stored in the dust storage chamber 143. In this way, the cleaning time is extended and labor is saved. The first cover body 15 is detachably covered on the fourth opening 142. The first cover body 15 can be opened, and a vacuum cleaner is used to extend from the fourth opening 142 into the dust storage chamber 143 to clean the dust storage chamber 143.

[0053] More specifically, refer to Figure 1 The third shell portion 14 is provided with a discharge port 144 for communicating with the external environment on its circumferential side, and the area of ​​the discharge port 144 is larger than the area of ​​the fourth opening 142. The housing 1 further comprises a second cover 16, and the other end of the second cover 16 is rotatably mounted on the discharge port 144, and the other end can be rotated to open or close the discharge port 144. Since the area of ​​the discharge port 144 is larger than the area of ​​the fourth opening 142, the dust chamber can be thoroughly cleaned by opening the second cover 16, and the operation is simple and convenient; thus, the first cover 15 or the second cover 16 can be selected to be opened to remove paper scraps and impurities in the dust storage chamber 143, and the operation is flexible.

[0054] It should be noted that the structure of the detachable assembly of the first cover body 15 and the fourth opening 142 is not limited. The third shell portion 14 may be provided with a groove corresponding to the fourth opening 142, and the peripheral side of the lower end surface of the first cover body 15 may be provided with a protrusion corresponding to the groove. Alternatively, the first cover body 15 may be provided with an elastic plunger adapted to the fourth opening 142. Due to the elastic characteristics of the elastic plunger, the first cover plate can be detachably installed in the fourth opening 142.

[0055] In the present invention, the rotation structure of the second cover body 16 and the discharge port 144 is not limited, and can be hinged, or connected by a rotating shaft or hinge. In this embodiment, refer to Figures 1 to 3 One end of the second cover body 16 is hinged to the discharge port 144, and the other end can open or close the discharge port 144. A plurality of mounting pins are also provided on the second cover body 16, and the third shell portion 14 is provided with a corresponding plurality of matching holes; specifically, each mounting pin includes a stud and a handle nut and a pin respectively connected to the two ends of the stud, and the second cover body 16 is provided with a threaded hole that matches the thread of the stud, and each mounting pin is installed on the second cover body 16 through the stud, and the handle nut is convenient for human hand holding, and the pin is installed in the corresponding matching hole through the threaded hole; in this way, the operation is simple.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum dust separator, characterized in that: include: The housing is provided with an air inlet chamber, a separation chamber and a dust storage chamber which are connected to each other, the air inlet chamber is used to introduce air obliquely downward into the separation chamber, the upper end of the separation chamber has an exhaust port for communicating with the inlet of the inlet filter, at least a part of the lower end of the separation chamber is reduced from top to bottom, and the dust storage chamber is arranged at the lower end of the separation chamber; and The filter element is installed in the separation chamber corresponding to the exhaust port.

2. The vacuum dust separator according to claim 1, characterized in that: At least one of the upper cavity wall and the lower cavity wall of the air inlet cavity is disposed obliquely downward close to the separation cavity.

3. The vacuum dust separator according to claim 1 or 2, characterized in that: The housing comprises: A first shell portion, the upper end of which is provided with a first opening on the circumferential side thereof for connecting the inner cavity thereof with the external environment; a second shell portion, mounted on the first shell portion and having a second opening corresponding to the first opening; and An air guide plate connected to the lower side of the first opening and extending obliquely downward into the second opening; The air inlet cavity is formed in the inner cavity of the second shell portion, the separation cavity is formed in the inner cavity of the first shell portion, and the exhaust port is arranged at the upper end of the first shell portion and spaced apart from the first opening.

4. The vacuum dust separator according to claim 3, characterized in that: The first shell portion comprises: A filter portion extending in an up-down direction; and A material collecting part is arranged in the inner cavity of the filter part, the material collecting part is arranged to be through-through in the vertical direction, and the cross-sectional area of ​​the material collecting part is arranged to be gradually reduced from top to bottom, and the peripheral side surface of the upper end of the material collecting part is connected to the cavity wall of the inner cavity of the filter part; The filter element is arranged in the inner cavity of the filter part; The separation chamber is formed by enclosing an inner cavity of the material collecting part and an inner cavity of the filtering part.

5. The vacuum dust separator according to claim 1, characterized in that: The housing comprises: A third shell portion, an upper end of which is provided with a third opening and a fourth opening spaced apart from each other; and A first cover body, detachably covering the fourth opening; The dust storage chamber is formed in the inner cavity of the third shell portion and is communicated with the separation chamber through the third opening.

6. The vacuum dust separator according to claim 5, characterized in that: A discharge port for communicating with the external environment is provided on the peripheral side of the third shell portion, and the area of ​​the discharge port is larger than the area of ​​the fourth opening; The shell body also includes a second cover body, the other end of which is rotatably mounted on the discharge port, and the other end of the second cover body can be rotated to open or close the discharge port.

7. The vacuum dust separator according to claim 1, characterized in that: The filter element is arranged in a cone shape with the tip facing downward.

8. The vacuum dust separator according to claim 1, characterized in that: The air inlet cavity is arranged in a spiral shape.

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