Valve system and back-blowing bag dust removal system

Abstract

The utility model discloses a valve system and a back-blowing bag dust removal system, including a driving assembly, an extension rod, a valve body, and a valve plate; a back-blowing valve chamber and an exhaust valve chamber are horizontally arranged in the valve body from top to bottom; the driving assembly is arranged at the top of the valve body, and the output end is connected to the extension rod running through the valve body, and is used to drive the extension rod to move up and down; the end of the extension rod is connected to the valve plate, and is used to drive the valve plate to move up and down through the extension rod to open the exhaust valve chamber or the back-blowing valve chamber. The utility model forms a unified whole by combining two independent back-blowing valve chambers and exhaust valve chambers, and uses the predetermined stroke of the driving assembly to drive the extension rod and the valve body to move up and down, thereby closing or opening the back-blowing valve chamber and the exhaust valve chamber, and has good sealing effect and stable and reliable operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust collectors, and in particular relates to a valve system and a back-blowing bag dust removal system. Background Art

[0002] The back-blowing bag dust removal technology adopts the method of bottom air intake, internal filtration, and chamber circulation back-suction cleaning. The valve system of the entire cleaning process includes a back-blowing valve and an exhaust valve. When filtering and dust removal, the exhaust valve is opened and the back-blowing valve is closed; when cleaning, the exhaust valve is closed and the back-blowing valve is opened.

[0003] At present, one valve of the dust collector can only control one working state, and one valve is controlled by only one cylinder. In order to achieve the cleaning state of the back-blowing bag dust collector, two valves need to cooperate with each other to achieve the control requirements, which makes the equipment complicated and increases the equipment cost, control and management difficulty. Utility Model Content

[0004] In view of this, the main purpose of the utility model is to provide a valve system and a back-blowing bag dust removal system.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] The first embodiment of the utility model provides a valve system, including a drive assembly, an extension rod, a valve body, and a valve plate;

[0007] The valve body is horizontally provided with a back-blowing valve chamber and an exhaust valve chamber from top to bottom;

[0008] The driving assembly is arranged on the top of the valve body, and the output end is connected to the extension rod penetrating the valve body, and is used to drive the extension rod to move up and down;

[0009] The end of the extension rod is connected to the valve plate, which is used to drive the valve plate to move up and down through the extension rod to open the exhaust valve chamber or the back-blowing valve chamber.

[0010] In the above scheme, the valve body includes a back-blowing air valve base and an exhaust valve base, and the back-blowing air valve base and the exhaust valve base are horizontally arranged from top to bottom in the valve body to form a back-blowing air valve chamber and an exhaust valve chamber; the valve plate is driven up and down by an extension rod, and the exhaust valve chamber or the back-blowing air valve chamber is opened by abutting against the back-blowing air valve base or the exhaust valve base.

[0011] In the above solution, a heat-insulating cover plate is arranged outside the valve body.

[0012] In the above scheme, the driving assembly includes a cylinder, a cylinder frame, and a piston rod. The cylinder is arranged on the top of the valve body through the cylinder frame, the output end of the cylinder is connected to one end of the piston rod, and the other end of the piston rod is connected to an extension rod running through the valve body.

[0013] Embodiment 2 of the utility model provides a back-blowing bag dust removal system, comprising the above-mentioned valve system, main fan, back-blowing fan, shell, filter bags, and ash hopper; filter bags are arranged inside the shell, and an ash hopper is arranged at the bottom; the back-blowing fan is arranged outside the shell and is connected to the top of the shell through pipelines and the valve system, and the main fan is arranged outside the shell and is connected to the ash hopper through pipelines.

[0014] In the above scheme, at least two filter bags are arranged in parallel in the shell, an ash hopper is arranged below each filter bag, and a valve system is arranged above each filter bag; the main fan is connected to each ash hopper through a pipeline, and the back-blowing fan is connected to each valve system through a pipeline.

[0015] Compared with the prior art, the utility model integrates two independent back-blowing valve chambers and exhaust valve chambers into a unified whole, and utilizes the predetermined stroke of the driving assembly to drive the extension rod and the valve body to move up and down, thereby closing or opening the back-blowing valve chamber and the exhaust valve chamber, with good sealing effect and smooth and reliable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to disclose a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 A schematic structural diagram of an exhaust valve chamber in a valve system opened is provided for an embodiment of the utility model;

[0018] Figure 2 A structural schematic diagram of an open back-blowing valve chamber in a valve system is provided for an embodiment of the utility model;

[0019] Figure 3 A structural schematic diagram of a valve system is provided for an embodiment of the utility model. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0022] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, article or device. In the absence of more restrictions, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, article or device including the element.

[0023] The utility model embodiment provides a valve system, such as Figure 1 , 2 As shown, it includes a driving assembly, an extension rod 10, a valve body, and a valve plate;

[0024] The valve body is horizontally provided with a back-blowing valve chamber 11 and an exhaust valve chamber 12 from top to bottom;

[0025] The driving assembly is arranged on the top of the valve body, and the output end is connected to the extension rod 10 penetrating the valve body, and is used to drive the extension rod 10 to move up and down;

[0026] The end of the extension rod 10 is connected to the valve plate 15 , which is used to drive the valve plate 15 to move up and down to open the exhaust valve chamber 12 or the back-blowing valve chamber 11 through the extension rod 10 .

[0027] By forming two independent back-blowing valve chambers 11 and exhaust valve chambers 12 into a unified whole, the predetermined stroke of the driving component is used to drive the extension rod 10 and the valve body to move up and down, thereby closing or opening the back-blowing valve chamber 11 and the exhaust valve chamber 12, the sealing effect is good and the operation is smooth and reliable.

[0028] The valve body includes a back-blowing air valve base 13 and an exhaust valve base 14, which are horizontally arranged from top to bottom in the valve body to form a back-blowing air valve chamber 11 and an exhaust valve chamber 12; the valve plate 15 is driven up and down by the extension rod 10, and the exhaust valve chamber 12 or the back-blowing air valve chamber 11 is opened by abutting against the back-blowing air valve base 13 or the exhaust valve base 14.

[0029] like Figure 1 As shown, the driving assembly drives the extension rod 10 to move upward, the valve plate 15 presses the back-blowing valve base 13, the back-blowing chamber 13 is in a closed state, and the exhaust chamber 12 is opened;

[0030] like Figure 2 As shown, the driving assembly drives the extension rod 10 to move downward, the valve plate 15 presses the exhaust valve base 14, the back-blowing chamber 13 is opened, and the exhaust chamber 12 is closed.

[0031] A heat-insulating cover plate 16 is disposed outside the valve body.

[0032] The driving assembly includes a cylinder 7, a cylinder frame 8, and a piston rod 9. The cylinder 7 is arranged on the top of the valve body through the cylinder frame 8. The output end of the cylinder 7 is connected to one end of the piston rod 9, and the other end of the piston rod 9 is connected to an extension rod 10 running through the valve body.

[0033] The utility model embodiment provides a back-blowing bag dust removal system, such as Figure 3 As shown, it includes a valve system, a main fan 2, an anti-blowing fan 3, a shell 4, a filter bag 5, and an ash hopper 6; the filter bag 5 is arranged inside the shell 4, and the ash hopper 6 is arranged at the bottom; the anti-blowing fan 3 is arranged outside the shell 4 and is connected to the top of the shell 4 through a pipeline and a valve system, and the main fan 2 is arranged outside the shell 4 and is connected to the ash hopper 6 through a pipeline.

[0034] like Figure 1 , 2 As shown, the valve system includes a drive assembly, an extension rod 10, a valve body, and a valve plate;

[0035] The valve body is horizontally provided with a back-blowing valve chamber 11 and an exhaust valve chamber 12 from top to bottom for

[0036] The driving assembly is arranged on the top of the valve body, and the output end is connected to the extension rod 10 penetrating the valve body, and is used to drive the extension rod 10 to move up and down;

[0037] The end of the extension rod 10 is connected to the valve plate 15 , which is used to drive the valve plate 15 to move up and down to open the exhaust valve chamber 12 or the back-blowing valve chamber 11 through the extension rod 10 .

[0038] By forming two independent back-blowing valve chambers 11 and exhaust valve chambers 12 into a unified whole, the predetermined stroke of the driving component is used to drive the extension rod 10 and the valve body to move up and down, thereby closing or opening the back-blowing valve chamber 11 and the exhaust valve chamber 12, the sealing effect is good and the operation is smooth and reliable.

[0039] The driving assembly includes a cylinder 7, a cylinder frame 8, and a piston rod 9. The cylinder 7 is arranged on the top of the valve body through the cylinder frame 8. The output end of the cylinder 7 is connected to one end of the piston rod 9, and the other end of the piston rod 9 is connected to an extension rod 10 running through the valve body.

[0040] A heat-insulating cover plate 16 is disposed outside the valve body.

[0041] The valve body includes a back-blowing air valve base 13 and an exhaust valve base 14, which are horizontally arranged from top to bottom in the valve body to form a back-blowing air valve chamber 11 and an exhaust valve chamber 12; the valve plate 15 is driven up and down by the extension rod 10, and the exhaust valve chamber 12 or the back-blowing air valve chamber 11 is opened by abutting against the back-blowing air valve base 13 or the exhaust valve base 14.

[0042] like Figure 1 As shown, the driving assembly drives the extension rod 10 to move upward, the valve plate 15 presses the back-blowing valve base 13, the back-blowing chamber 13 is in a closed state, and the exhaust chamber 12 is opened; a large amount of dust is trapped on the filter bag 5, and the dust-containing air flow is purified through the filter bag 5, and the clean gas after filtration enters the rear main fan 2 and is discharged

[0043] After the filter 5 has filtered a certain amount of dust, the dust gradually adheres to the filter bag 5, causing the resistance to increase. At this time, the blower 3 is started. Figure 2 As shown, at the same time, the driving assembly drives the extension rod 10 to move downward, the valve plate 15 presses the exhaust valve base 14, the back-blowing chamber 13 is opened, the exhaust chamber 12 is closed, and the back-blowing airflow enters the shell 4 to back-blow and clean the filter bag 5. The filter bag 5 changes from swollen to deflated. When the back-blowing process is completed, the cylinder 7 is powered off, the back-blowing chamber 13 is closed, and the back-blowing air blower 3 is turned off. The dust collector resumes the filtering state, and a large amount of dust-containing gas rushes in from top to top, causing the filter bag 5 to swell again, and the dust adhering to the filter bag 5 is shaken off and sinks into the ash hopper, thereby achieving the purpose of cleaning.

[0044] At least two filter bags 5 are arranged in parallel in the shell 4, an ash hopper 6 is arranged below each filter bag 5, and a valve system is arranged above each filter bag; the main fan 2 is connected to each ash hopper 6 through a pipeline, and the back-blowing fan 3 is connected to each valve system through a pipeline.

[0045] Exemplarily, two filter bags 5 are provided, one of which is in a filtering and cleaning state and the other is in a dust cleaning state at the same time, so as to ensure that the dust collector is not affected by the dust cleaning of the filter bag 5, causing the equipment to stop working.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A valve system, characterized in that: It includes a driving assembly, an extension rod, a valve body, and a valve plate; The valve body is horizontally provided with a back-blowing valve chamber and an exhaust valve chamber from top to bottom; The driving assembly is arranged on the top of the valve body, and the output end is connected to the extension rod penetrating the valve body, and is used to drive the extension rod to move up and down; The end of the extension rod is connected to the valve plate, which is used to drive the valve plate to move up and down through the extension rod to open the exhaust valve chamber or the back-blowing valve chamber.

2. The valve system according to claim 1, characterized in that The valve body includes a back-blowing air valve base and an exhaust valve base, which are horizontally arranged from top to bottom in the valve body to form a back-blowing air valve chamber and an exhaust valve chamber; the valve plate is driven up and down by an extension rod, and the exhaust valve chamber or the back-blowing air valve chamber is opened by abutting against the back-blowing air valve base or the exhaust valve base.

3. The valve system according to claim 2, characterized in that A heat-insulating cover plate is arranged outside the valve body.

4. The valve system according to any one of claims 1 to 3, characterized in that: The driving assembly includes a cylinder, a cylinder frame, and a piston rod. The cylinder is arranged on the top of the valve body through the cylinder frame. The output end of the cylinder is connected to one end of the piston rod, and the other end of the piston rod is connected to an extension rod running through the valve body.

5. A back-blowing bag dust removal system, characterized in that: It comprises a valve system as claimed in any one of claims 1 to 4, a main fan, a back-blowing fan, a shell, a filter bag and an ash hopper; the filter bag is arranged inside the shell, and an ash hopper is arranged at the bottom; the back-blowing fan is arranged outside the shell and connected to the top of the shell through a pipeline and a valve system, and the main fan is arranged outside the shell and connected to the ash hopper through a pipeline.

6. The reverse air bag dust removal system according to claim 5, characterized in that: At least two filter bags are arranged in parallel in the shell, an ash hopper is arranged below each filter bag, and a valve system is arranged above each filter bag; the main fan is connected to each ash hopper through a pipeline, and the back-blowing fan is connected to each valve system through a pipeline.

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