Open type inserting plate device for dust removal pipeline

Abstract

The utility model discloses a dust removal pipeline open type gate device which comprises a valve body, a valve plate, a valve frame and a driving mechanism, and the valve frame is of a frame structure so that the area, corresponding to the periphery of the valve body, of the plate face of the valve frame can be of a hollowed-out structure; the valve plate comprises a blind plate and a full-through-hole plate, the lower end of the blind plate extends to be provided with the full-through-hole plate, and the full-through-hole plate is provided with a full-through valve hole matched with the drift diameter of the valve body. The valve plate can be driven by the driving mechanism to move downwards till the blind plate coincides with the drift diameter of the valve body or move upwards till the full-through hole plate and the full-through valve hole coincide with the drift diameter of the valve body. The valve frame is of a frame structure, the valve plate is of a structure with a blind plate at the upper end and a pore plate at the lower end, the valve plate moves downwards to close the valve, moves upwards to open the valve and moves up and down in a reciprocating mode to push dust in gaps, and the dust is scattered through hollowed-out positions or sucked away under the action of negative pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal technical field, especially a vertical plug valve device for dust removal pipeline. BACKGROUND

[0002] The dust removal pipeline is a typical negative pressure pipeline, and its working medium is dust-containing gas (containing coke powder, sintered ore powder and other coarse particles). The design wind speed of the gas flow in the pipeline is generally controlled within the range of 18-25 m / s. The valve installed on the dust removal pipeline is subjected to long-term scouring of high-speed dust flow, which causes the valve plate to be worn out and the sealing surface to be damaged, thereby reducing the service life of the valve. Moreover, because the gas in the pipeline contains coarse particles, the particles are retained in the sealing filler and structure of the valve plate, which causes the valve to be easily blocked. SUMMARY

[0003] The utility model provides a dust removal pipeline open type plug plate device to effectively solve the problems of reduced service life of the valve due to wear of the valve plate and the sealing surface and easy blocking of the valve plate during movement, and is a simple structure, easy-to-use dust removal pipeline simple vertical plug valve.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A dust removal pipeline open type plug plate device, comprising a valve body, a valve plate, a valve frame and a driving mechanism, the valve body is arranged axially through the plate surface of the valve frame, and the middle part of the valve body is provided with a radial plug-in opening, the valve plate is connected to the valve frame in a sliding manner, and the thickness of the valve plate is matched with the plug-in opening, the driving mechanism is arranged on the valve frame, and the driving mechanism is in transmission connection with the valve plate to drive the valve plate to move up and down in a reciprocating manner; the valve frame is in a frame structure, and the plate surface of the valve frame is in a hollow structure corresponding to the outer peripheral area of the valve body; the valve plate comprises a blind plate and a full-hole plate, the full-hole plate is arranged at the lower end of the blind plate, and the full-hole plate is provided with a full-hole valve hole matched with the diameter of the valve body; the valve plate can be moved downward to the position where the blind plate is overlapped with the diameter of the valve body or upward to the position where the full-hole valve hole of the full-hole plate is overlapped with the diameter of the valve body under the driving of the driving mechanism.

[0006] The driving mechanism is arranged at the upper end of the valve frame, and the upper end of the blind plate is in transmission connection with the driving mechanism. The valve frame comprises two horizontal beams and two vertical beams, the two horizontal beams and the two vertical beams are connected horizontally and vertically to form a frame structure in the shape of a mouth, and the left and right sides of the valve body are connected to the two vertical beams, so that the frame and the valve body are connected. In a preferred example, the valve frame further comprises a reinforcing beam, the upper side and / or the lower side of the valve body are connected to the middle part of the reinforcing beam, and the two ends of the reinforcing beam are connected to the two vertical beams, thereby improving the stability of the valve body connection.

[0007] The inner side walls of the two vertical beams are provided with guiding slides extending upward and downward, the width of the valve plate is adapted to the distance between the inner bottom surfaces of the two guiding slides, and the valve plate is slidably connected to the guiding slides of the two vertical beams, so that the valve plate is slidably connected.

[0008] The gap between the side edge of the valve plate in the width direction and the inner bottom surface of the guiding slide on the same side is 1-3mm, the gap between the plate surface of the valve plate in the thickness direction and the side wall of the guiding slide on the same side is 1-5mm, the gap between the plate surface of the valve plate in the thickness direction and the valve body on the same side is 0.5-3mm, and the thickness of the valve plate is 2-6mm.

[0009] As described above, the valve frame adopts a frame structure, and the valve plate adopts a structure of a blind plate at the upper end and a hole plate at the lower end, moves downward to close the valve, moves upward to open the valve, reciprocally moves upward and downward to push the dust in the gap, and makes the dust spread through the hollow part or be sucked away under the action of negative pressure.

[0010] Based on the foregoing scheme, in an improved scheme, the valve plate further comprises an adaptive hole plate, an outer edge of the adaptive hole plate is adapted to the full-through valve hole, and the adaptive hole plate is arranged in the full-through valve hole of the full-through hole plate, and an adaptive valve hole is arranged on the adaptive hole plate, and the aperture of the adaptive valve hole is smaller than that of the full-through valve hole. In this way, the adaptive hole plate can be selected according to the actual dust removal condition of the dust removal system, and the adaptive valve hole suitable for the actual dust removal condition can be obtained to meet the balance requirement of adjusting the air volume and the system air volume. The adaptive hole plate is radially contracted to the diameter of the valve body, and at this time, the outer edge diameter of the adaptive hole plate can be equal to or greater than the diameter of the valve body, so that the outer edge of the adaptive hole plate is fixed by the valve body, and the connection stability of the adaptive hole plate and the hole plate is improved.

[0011] Based on the foregoing scheme, in an improved scheme, the plug device further comprises a protective mesh cover, and the protective mesh cover is arranged on the front plate surface and / or the back plate surface of the valve frame corresponding to the outer peripheral area of the valve body, preferably arranged on both the front plate surface and the back plate surface, to play a protective role.

[0012] Based on the foregoing scheme, in an improved scheme, inner flanges are arranged on the outer walls at both sides of the plug opening of the valve body, and the distance between the two inner flanges is equal to the thickness of the valve frame, to improve the connection stability. Outer flanges are arranged on the outer walls of the two end portions of the valve body, to connect the pipelines.

[0013] Due to the adoption of the above technical scheme, the utility model has the following beneficial effects:

[0014] 1. The utility model discloses a dust removal pipeline open type plugboard device, the valve frame adopts the frame structure, and it is in relief structure to the valve body outer peripheral area, and the valve plate adopts the upper end blind plate lower end orifice plate structure, and the valve is closed to the downward movement, and the valve is opened to the upward movement, and the dust in the gap is pushed to make it spread through the relief or be drawn away under the action of negative pressure, and the problem of blockage caused by dust retention accumulation is effectively solved.

[0015] 2, adopt the full orifice plate to match the orifice plate, can select the orifice plate according to the current dust removal system actual dust removal situation, get the orifice valve hole suitable for actual dust removal situation, satisfy the regulation air volume and system air volume balance requirement. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view of the plugboard device closed state of the utility model.

[0017] Figure 2 It is the internal structure schematic diagram of the plugboard device partial closed state of the utility model.

[0018] Figure 3 It is Figure 2 The local enlarged view of

[0019] Figure 4 It is the local structure schematic diagram of the plugboard device closed state of the utility model.

[0020] Figure 5 It is the local structure schematic diagram of the plugboard device open state of the utility model.

[0021] Figure 6 It is Figure 5 The local enlarged view of

[0022] Figure 7 It is the front view of the valve plate of the plugboard device of the utility model.

[0023] In the drawing, 1, valve body;2, valve plate;3, valve frame;4, drive mechanism;41, slide rod;5, protective mesh cover;6, inner flange;61, outer flange;7, full orifice plate;8, blind plate;9, guide slide;10, orifice plate. DETAILED DESCRIPTION

[0024] Example 1

[0025] Referring to Figure 1The dust removal pipeline open type plug plate device of the application comprises a valve body 1, a valve plate 2, a valve frame 3 and a driving mechanism 4. The driving mechanism can adopt one driving device, at this time, the driving mechanism can be installed on the upper end of the valve frame and is transmissionally connected to the upper end of the valve plate, or the driving mechanism can be installed on the lower end of the valve frame and is transmissionally connected to the lower end of the valve plate. The driving mechanism can also adopt two driving devices, at this time, the double driving mechanisms can be both installed on the upper end of the valve frame and are transmissionally connected to the upper end of the valve plate, or the double driving mechanisms can be both installed on the lower end of the valve frame and are transmissionally connected to the lower end of the valve plate, or one driving mechanism is installed on the upper end of the valve frame and is transmissionally connected to the upper end of the valve plate while the other driving mechanism is installed on the lower end of the valve frame and is transmissionally connected to the lower end of the valve plate. The driving mechanism and its connection are all the prior art, and the application will not be described one by one. The following will be described by taking the example of “one driving mechanism installed on the upper end of the valve frame and transmissionally connected to the upper end of the valve plate”.

[0026] Referring to Figures 1-7 The dust removal pipeline open type plug plate device of the embodiment 1 comprises a valve body 1, a valve plate 2, a valve frame 3 and a driving mechanism 4. The valve body 1 is arranged axially through the plate surface of the valve frame 3, and the middle part of the valve body 1 is provided with a radial plug-in opening. The valve plate 1 is slidably connected to the valve frame 3, and the thickness of the valve plate 2 is matched with the plug-in opening. The driving mechanism 4 is arranged on the upper end of the valve frame 3, and the driving mechanism 4 is transmissionally connected to the valve plate 2 to drive the valve plate to move up and down reciprocatingly. The valve frame 3 is in a frame structure, and the plate surface of the valve frame corresponding to the outer peripheral area of the valve body is in a hollow structure. The valve plate 2 comprises a blind plate 8 and a full-hole plate 7. The upper end of the blind plate 8 is transmissionally connected to the driving mechanism 4, and the lower end of the blind plate 8 is extended to be provided with the full-hole plate 7. The full-hole plate 7 is provided with a full-hole valve hole matched with the valve body passage. The valve plate 2 can be driven by the driving mechanism to move downward to the position where the blind plate is overlapped with the valve body passage or to move upward to the position where the full-hole valve hole of the full-hole plate is overlapped with the valve body passage.

[0027] The valve frame 3 comprises two horizontal beams and two vertical beams, and the two horizontal beams and the two vertical beams are connected horizontally and vertically to form a frame structure in the shape of a mouth. The left and right sides of the valve body are respectively connected to the two vertical beams, so as to realize the connection of the frame and the valve body.

[0028] The inner side walls of the two vertical beams are both provided with guiding slides extending upward and downward, and the width of the valve plate is matched with the interval between the inner bottom surfaces of the two guiding slides. The valve plate is slidably connected to the guiding slides of the two vertical beams, so as to realize the sliding connection of the valve plate.

[0029] The horizontal beam in the upper position is provided with an opening extending upward and downward. When installed, the valve plate is inserted through the opening.

[0030] The driving mechanism is connected to the upper end of the valve plate through a telescopic rod. The valve plate is driven to move downward to close the valve, or the valve plate is driven to move upward to open the valve. The driving mechanism is taken as an example of a pneumatic cylinder. The pneumatic cylinder is bolted to the horizontal beam in the upper position, and the telescopic rod of the pneumatic cylinder is welded or bolted to the valve plate.

[0031] When the valve is closed, the driving mechanism pushes the telescopic rod to move downward, and the valve plate moves downward until the blind plate completely covers the passageway of the valve body, and the valve is completely closed; when the valve is opened, the driving mechanism pushes the telescopic rod to move upward, and the valve plate moves upward until the full-through valve hole coincides with the passageway of the valve body, and the valve is completely opened.

[0032] Embodiment 2

[0033] Referring to Figures 1-7 In the dust pipe open type plug-in plate device of the present embodiment 2, the valve frame 3 further comprises a reinforcing beam, the upper side and / or the lower side of the valve body are connected to the middle part of the reinforcing beam, and the two ends of the reinforcing beam are respectively connected to two vertical beams, thereby improving the connection stability of the valve body.

[0034] Embodiment 3

[0035] Referring to Figures 1-7 In the dust pipe open type plug-in plate device of the present embodiment 3, the valve plate 2 further comprises an adaptive hole plate 10, the outer edge of the adaptive hole plate is matched with the full-through valve hole, the adaptive hole plate is arranged in the full-through valve hole of the full-through hole plate, and the adaptive hole plate is provided with an adaptive valve hole, and the aperture of the adaptive valve hole is smaller than that of the full-through valve hole.

[0036] Embodiment 4

[0037] Referring to Figures 1-7 In the dust pipe open type plug-in plate device of the present embodiment 4, the plug-in plate device further comprises a protective mesh cover 5, the protective mesh cover is arranged on the front panel and / or the back panel of the valve frame corresponding to the outer peripheral area of the valve body, is divided into two sections, and is welded or bolted on the upper and lower hollow parts of the valve frame.

[0038] Embodiment 5

[0039] Referring to Figures 1-7 In the dust pipe open type plug-in plate device of the present embodiment 5, inner flanges are arranged on the outer walls at both sides of the plug-in opening of the valve body, the distance between the two inner flanges is equal to the thickness of the valve frame, screw holes are arranged on the inner flanges to be bolted on the valve frame or directly welded and fixed, thereby improving the connection stability.

[0040] As described in the above embodiments 1-5, the dust pipe open type plug-in plate device of the present application has basic scheme application examples and improved scheme application examples, for example, the reinforcing beam feature is added on the basis of the basic scheme, for example, the adaptive hole plate feature is added on the basis of the basic scheme, for example, the protective mesh cover feature is added on the basis of the basic scheme, for example, the inner flange feature is added on the basis of the basic scheme, etc., and each application example will not be described one by one here, and the following will take the best application example of all feature combinations as an example for further supplementary description.

[0041] Referring to Figures 1-7The open plug device of the dust removal pipeline comprises a valve body 1, a valve plate 2, a valve frame 3, a driving mechanism 4, a protective mesh cover 5, an inner flange 6, a full-through hole plate (full-through diameter hole plate) 7, a blind plate (full-through diameter blind plate) 8, a guide slide 9 and an adaptive hole plate 10.

[0042] The valve frame 3 is formed in a frame structure of a mouth-shaped type by two horizontal beams and two vertical beams being integrally formed or welded. A reinforcing beam is arranged in the middle part to improve the connection stability. The protective mesh cover 5 is welded or bolted on the plate surface and can be disassembled for inspection and maintenance. Upper and lower recesses are arranged on both sides of the valve frame (the inner side of the vertical beam), the recesses have a width and thickness slightly larger than the thickness of the plug, the inner wall of the recess is smooth, and the recess is used as a guide slide for the plug and is used for the reciprocating movement of the valve plate. In the width direction, the gap between the valve plate and the bottom wall of the recess in the valve frame is 1-3 mm, for example, 2 or 2.5 mm; in the thickness direction, the gap between the plate surface of the valve plate and the side wall of the recess on the same side is 1-5 mm, for example, 1, 2 or 3 mm; in this way, the driving resistance of the valve plate is reduced.

[0043] The valve body 1 has a through diameter. An upper and lower through opening (plug opening) is formed in the middle part of the valve body 1 to insert the valve plate 2, and the gap between the valve plate 2 and the valve body 1 is 0.5-3 mm, for example, 1 or 2 mm. The outer wall of the valve body 1 has an inner flange 6 for connecting and supporting the valve plate 2, and the valve body 1 is welded or bolted with the valve frame 3; the valve body 1 also has an outer flange 61 for connecting with the pipeline.

[0044] The valve plate 2 is a single plate straight plate structure, and the valve plate 2 is divided into an upper and lower two parts of a full-through diameter blind plate 8 and a full-through diameter hole plate 7. The driving end (upper end) of the blind plate of the valve plate 2 is directly connected to the driving mechanism 4. The valve plate is designed to be lightweight, and is made of steel or aluminum alloy, etc. The thickness of the valve plate ranges from 2 mm to 6 mm, for example, 2 or 3, 4 mm.

[0045] The driving mechanism 4 is a gas cylinder, and the extension rod 41 is welded or bolted to the upper end of the valve plate; other driving devices such as hand crank structure, hydraulic cylinder or electric push rod can also be used, which are all prior art and will not be described here.

[0046] The adaptive hole plate 10 is arranged in the hole of the full-through diameter hole plate 7, and different hole diameters of the adaptive hole plate are selected according to the working conditions to adjust the size of the through hole of the valve body, so as to meet the requirements of the dust removal system for balancing and adjusting the air volume. The adaptive hole plate 10 is a custom-made circular steel plate or aluminum alloy plate, which can be firmly welded with the full-through diameter hole plate 7, and the designed through hole size is selected according to the design requirements of the dust removal system or the air volume of the dust removal point on site, so as to meet the requirements of balancing and adjusting the air volume and the system air volume.

[0047] The valve plate 2 is in the form of an up-and-down through plug, which solves the problem of the valve plate being built-in in the valve body and being washed by dust. The gap of 1-5mm facilitates the reciprocating operation of the valve plate. When the valve is opened, the dust in the gap is sucked away under the action of negative pressure. During the opening and closing process, the dust is also moved to be scattered out of the hollow valve frame or sucked away, effectively solving the problem of the valve plate being stuck due to the accumulation of dust.

[0048] As described above, the valve plate 2 is pushed up and down by the driving mechanism 4 to realize the opening and closing of the valve. When the valve is opened, the full-bore hole plate 7 of the valve plate 2 is aligned with the valve body full-bore. When the valve is closed, the full-bore blind plate 8 of the valve plate 2 blocks the valve body full-bore, which can completely cut off the dust on the inlet side of the valve body. The opening and closing of the valve will not cause the valve plate 2 to be washed and worn by the high-speed dust in the valve body and the pipeline, which greatly improves the service life of the valve. The valve is convenient and flexible to operate, fast to cut off, not limited by the angle during installation and can be adjusted at any time, and the valve plate 2 is not easy to be stuck during movement, which is an ideal device for frequent start and rapid cut-off. In addition, the valve structure is simple, easy to disassemble and assemble, and the manufacturing and maintenance costs are reduced.

[0049] It should be pointed out that the above-mentioned examples can be preferred one or more than two combinations according to actual needs, and a set of combined technical features is used for the description of multiple examples, which will not be described one by one here.

[0050] It should be pointed out that the orientation or position relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation.

[0051] The above description is a detailed description and example of the preferred and feasible embodiment of the utility model, but these descriptions are not used to limit the scope of protection claimed by the utility model. Any equivalent changes or modified changes completed under the technical guidance of the utility model should belong to the scope of patent protection covered by the utility model.

Claims

1. An open-type insert plate device for dust removal pipelines, comprising a valve body (1), a valve plate (2), a valve frame (3), and a drive mechanism (4), wherein the valve body (1) is axially arranged on the plate surface of the valve frame (3), and a radially through insertion port is provided in the middle of the valve body (1); the valve plate (2) is slidably connected to the valve frame (3), and the thickness of the valve plate (2) is adapted to the insertion port; the drive mechanism (4) is disposed on the valve frame (3), and the drive mechanism (4) is drively connected to the valve plate (2) to drive the valve plate (2) to reciprocate up and down; characterized in that: The valve frame (3) has a frame structure so that the plate surface of the valve frame (3) has a hollow structure corresponding to the outer periphery of the valve body (1); the valve plate (2) includes a blind plate (8) and a full-hole plate (7), the lower end of the blind plate (8) is provided with a full-hole plate (7), and the full-hole plate (7) is provided with a full-through valve hole that matches the through diameter of the valve body (1); the valve plate (2) can be moved downward under the drive mechanism (4) until the blind plate (8) coincides with the through diameter of the valve body (1) or moved upward until the full-through valve hole of the full-through plate (7) coincides with the through diameter of the valve body (1).

2. The dust removal duct open-type insert device according to claim 1, characterized in that: The valve plate (2) also includes an adapter orifice plate, the outer edge of which is adapted to the full-pass valve hole, and the adapter orifice plate is disposed on the full-pass valve hole of the full-pass orifice plate (7). The adapter orifice plate is provided with an adapter valve hole, the diameter of which is smaller than that of the full-pass valve hole; wherein the outer diameter of the adapter orifice plate is larger than the through diameter of the valve body (1).

3. The dust removal duct open-type baffle device according to claim 1, characterized in that: The valve frame (3) includes a reinforcing beam, two horizontal beams and two vertical beams. The two horizontal beams and two vertical beams are connected horizontally and vertically to form a square frame structure. The left and right sides of the valve body (1) are respectively connected to the two vertical beams. The upper and / or lower sides of the valve body (1) are connected to the middle of the reinforcing beam. The two ends of the reinforcing beam are respectively connected to the two vertical beams.

4. The dust removal duct open-type baffle device according to claim 3, characterized in that: The inner walls of the two vertical beams are provided with vertically extending guide slides (9), and the width of the valve plate (2) is adapted to the distance between the inner bottom surfaces of the two guide slides (9). The valve plate (2) is slidably connected to the guide slides (9) of the two vertical beams.

5. The dust removal duct open-type baffle device according to claim 4, characterized in that: The gap between the side edge of the valve plate (2) in the width direction and the inner bottom surface of the guide slide (9) on the same side is 1-3 mm, and the gap between the plate surface of the valve plate (2) in the thickness direction and the side wall of the guide slide (9) on the same side is 1-5 mm.

6. The dust removal duct open-type baffle device according to claim 1, characterized in that: The gap between the plate surface of the valve plate (2) in the thickness direction and the valve body (1) on the same side is 0.5 to 3 mm, and the thickness of the valve plate (2) is 2 mm to 6 mm.

7. The dust removal duct open-type baffle device according to claim 1, characterized in that: It also includes a protective mesh cover (5), which is provided on the front and / or back surfaces of the valve frame (3) in the area corresponding to the outer periphery of the valve body (1).

8. The dust removal duct open-type baffle device according to claim 1, characterized in that: The valve body (1) has inner flanges (6) on both sides of the insertion port, and the distance between the two inner flanges (6) is equal to the thickness of the valve frame (3).

9. The dust removal duct open-type baffle device according to claim 1, characterized in that: The valve body (1) has an outer flange (6) on the outer wall of both ends; the drive mechanism (4) is located at the upper end of the valve frame (3), and the upper end of the blind plate (8) is connected to the drive mechanism for transmission.

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