Mine ventilation air methane waste heat utilization air quantity balancing device
By designing a waste heat recovery airflow balancing device for mine exhaust air, and employing a cover plate, support frame, collection box, and helical gear transmission system driven by a servo motor, the problems of unstable airflow control and difficult dust removal were solved, achieving stable airflow control and efficient dust removal.
Patent Information
- Application Number
- CN202520045605.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing airflow balancing devices are not stable enough when controlling airflow and are difficult to effectively remove dust.
A waste heat recovery device for mine exhaust air was designed. It adopts a cover plate, support frame, collection box and helical gear transmission system driven by servo motor. The air volume is controlled by the meshing of helical gear A with helical gear B on the valve plate driven by servo motor, and dust is collected by the collection box.
It achieves stable airflow control and efficient dust removal, improving the practicality of the device.
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Figure CN223523774U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of air volume balance structure, especially relate to a mine ventilation air methane waste heat utilization air volume balance device. BACKGROUND
[0002] At present, ventilation air methane, also called coal mine gas, refers to the coal mine gas with methane concentration less than 0.75%, ventilation air methane is the waste gas containing certain heat discharged by the ventilation system in the process of coal mine production, the main components include oxygen, nitrogen, water vapor in air and a small amount of harmful gases (such as gas, carbon dioxide, etc.), the temperature of ventilation air methane is usually higher than that of the external environment, and has certain heat energy value.
[0003] When the mine ventilation air methane is preheated and utilized, pipeline is needed to guide and transport the ventilation air methane, in order to ensure the stability of air flow transportation, the corresponding air volume balance device, namely constant air valve, is generally used for control, the constant air valve controls the air volume by controlling the opening and closing degree of valve plate when controlling the air volume, ensures the stability of the constant air valve when controlling the air volume, and the dust removal after the control air volume passes is a problem to be solved, therefore, the mine ventilation air methane waste heat utilization air volume balance device is proposed.
[0004] Therefore, in view of the defects in actual production and implementation of the above scheme, the utility model is modified and improved, and the spirit and concept of seeking good are followed, and the professional knowledge and experience are assisted, and after many trials, the utility model is created, and the mine ventilation air methane waste heat utilization air volume balance device is provided again, which is used to solve the problems that the corresponding air volume balance device, namely constant air valve, is used for control, the constant air valve controls the air volume by controlling the opening and closing degree of valve plate when controlling the air volume, the stability of the constant air valve when controlling the air volume needs to be ensured, and the dust removal after the control air volume passes is facilitated. UTILITY MODEL CONTENTS
[0005] The utility model provides a mine ventilation air methane waste heat utilization air volume balance device, which solves the problems in the prior art that the corresponding air volume balance device, namely constant air valve, is used for control, the constant air valve controls the air volume by controlling the opening and closing degree of valve plate when controlling the air volume, the stability of the constant air valve when controlling the air volume needs to be ensured, and the dust removal after the control air volume passes is facilitated.
[0006] The utility model discloses a technical scheme is such realization, a kind of mine windless heat utilization air volume balancing device includes: cover plate, the main part of the cover plate is rectangular plate structure, cover plate's top end face is fixedly connected with hanging ring. Two places are arranged in hanging ring, two hanging rings are fixedly connected in the linear array left and right sides position of cover plate top end face, and the bottom end surface of cover plate is fixedly connected with the support frame of longitudinal arrangement, support frame is frame structure, the bottom end surface of support frame is fixedly connected with the collection box of top one-way opening, the bottom end surface of cover plate is fixedly connected with insert post, the main part of insert post is cylindrical structure, insert post is arranged in four places, four insert posts are fixedly connected in the corner position of cover plate bottom end surface, the inside rotationally connected with valve plate for controlling air volume of support frame, the top end surface of valve plate is coaxially installed with bevel gear B, bevel gear B and bevel gear A are engaged transmission, bevel gear B and bevel gear A jointly constitute power transmission structure:
[0007] As a preferred embodiment, the cover plate is installed on the inner side of the shell, and the outer side of the shell is fixedly connected with a connection plate of frame structure, and two connection plates are arranged.
[0008] As a preferred embodiment, the two connection plates are fixedly connected on the left and right side surfaces of the shell in opposite directions, and a connecting hole is formed in the inner four corner positions of the two connection plates.
[0009] As a preferred embodiment, the inner side of the shell is fixedly connected with a gasket plate of U-shaped structure, and two gasket plates are arranged, and the two gasket plates are fixedly connected on the left and right side surfaces of the shell in opposite directions.
[0010] As a preferred embodiment, two positioning holes are linearly arranged in the inner sides of the two gasket plates, and a bracket of U-shaped structure with an open bottom end is fixedly connected to the top end surface of the cover plate.
[0011] As a preferred embodiment, a servo motor is installed on the right end surface of the bracket, an output shaft is arranged on the left side of the servo motor, a bevel gear A is installed on the output shaft, and the servo motor and the bevel gear A jointly constitute a power output structure.
[0012] After using the above technical scheme, the utility model has the following beneficial effects:
[0013] 1、In the utility model, the collection box fixedly connected on the bottom end surface of the support frame can efficiently collect dust generated when the wind passes through by using the collection box, which can facilitate subsequent cleaning operation and achieve more practical purpose.
[0014] 2. The utility model discloses, through being provided with the valve plate rotationally connected in the support frame, make it when using, can through starting the servo motor of installing outside the support to the helical gear A drive, and through the meshing transmission of helical gear A with the helical gear B of setting at the valve plate top realizes quick control air volume operation, and then reaches more practical purpose. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0016] Figure 1 It is the front side view structural schematic diagram of the air volume balance device after cutting of the utility model,
[0017] Figure 2 It is the whole shaft side view structural schematic diagram of the air volume balance device of the utility model,
[0018] Figure 3 It is the top view structural schematic diagram of the air volume balance device of the utility model,
[0019] Figure 4 It is the left view structural schematic diagram of the air volume balance device of the utility model,
[0020] Figure 5 It is the support frame and collection box combination structural schematic diagram of the air volume balance device of the utility model,
[0021] Figure 6 It is the front view structural schematic diagram of the air volume balance device of the utility model,
[0022] In the drawing, 1, shell;101, connecting plate;102, connecting hole;103, pad plate;104, positioning hole;2, cover plate;201, hanging ring;202, insertion column;203, support frame;204, collection box;3, support;301, servo motor;302, helical gear A;303, valve plate;304, helical gear B. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.
[0024] As shown in Figures 1-6 The mine ventilation air waste heat utilization air volume balancing device includes a cover plate 2, the main body of which is a rectangular plate structure, and a hanging ring 201 is fixedly connected to the top end face of the cover plate 2. The two hanging rings 201 are fixedly connected in a linear array to the left and right sides of the top end face of the cover plate 2, and a longitudinally arranged support frame 203 is fixedly connected to the bottom end face of the cover plate 2. The support frame 203 is a frame structure, and a top-end one-way opening collection box 204 is fixedly connected to the bottom end face of the support frame 203. An insertion column 202 is fixedly connected to the bottom end face of the cover plate 2. The main body of the insertion column 202 is a cylindrical structure, and four insertion columns 202 are fixedly connected to the four corner positions of the bottom end face of the cover plate 2. A valve plate 303 for controlling air volume is rotatably connected to the inside of the support frame 203. A bevel gear B 304 is coaxially installed on the top end face of the valve plate 303. The bevel gear B 304 is in meshing transmission with the bevel gear A 302, and the bevel gear B 304 and the bevel gear A 302 together constitute a power transmission structure.
[0025] The cover plate 2 is installed on the inside of the shell 1. The shell 1 has a frame structure of a connecting plate 101 fixedly connected to the outside thereof. The two connecting plates 101 are fixedly connected to the left and right side surfaces of the shell 1 in opposite directions. Connection holes 102 are formed in the four corner positions of the inside of the two connecting plates 101.
[0026] The shell 1 has a U-shaped structure of a gasket 103 fixedly connected to the inside thereof. The two gaskets 103 are fixedly connected to the left and right side surfaces of the inside of the shell 1 in opposite directions. Two positioning holes 104 are formed in a linear array in the inside of the two gaskets 103. A U-shaped structure of a support 3 with an open bottom end is fixedly connected to the top end face of the cover plate 2. A servo motor 301 is installed on the right end face of the support 3. An output shaft is provided on the left side of the servo motor 301. A bevel gear A 302 is installed on the output shaft. The servo motor 301 and the bevel gear A 302 together constitute a power output structure.
[0027] In use, during the mine ventilation air utilization process, the shell 1 is connected to the air pipe through the two connecting plates 101 fixedly connected to the outside thereof. When it is necessary to control the air volume, for example, when it is necessary to increase the air volume, the servo motor 301 installed on the outside of the support 3 is started to drive the bevel gear A 302 to rotate, and the bevel gear A 302 is in meshing transmission with the bevel gear B 304 provided on the top end face of the valve plate 303 to rotate and open around the inside of the support frame 203, so that the opening and closing degree of the valve plate 303 is increased to increase the air volume.
[0028] And in when using a period of time, due to its for the wind, the slag contained in the wind impurities such as adhering to the valve plate 303 and other components, at this time can be by holding fixedly connected to the top surface of the cover plate 2 ring 201 from the inside of the shell 1 support frame 203 and collection box 204 and other components are taken out, and through the collection box 204 set to the dust collection processing.
[0029] In the description of the present application, it is understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to 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 the description of the present application, unless otherwise specified and limited, it is necessary to explain that the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, or indirect connection through intermediate medium, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0030] The above is only the preferred embodiment of the present application, and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A mine exhaust air waste heat utilization air volume balancing device, characterized in that, The utility model provides a kind of dust collection device, including cover plate (2), the main body of the cover plate (2) is rectangular plate structure, and the top end surface of cover plate (2) is fixedly connected with hanging ring (201), and hanging ring (201) is provided with two, and two hanging rings (201) are fixedly connected in linear array in the left and right sides position of the top end surface of cover plate (2), and the bottom end surface of cover plate (2) is fixedly connected with the support frame (203) of longitudinal arrangement, and support frame (203) is frame structure, and the bottom end surface of support frame (203) is fixedly connected with the collection box (204) of top one-way opening, and the bottom end surface of cover plate (2) is fixedly connected with insert column (202), and the main body of insert column (202) is cylindrical structure, and insert column (202) is provided with four, and four insert columns (202) are fixedly connected in the four corner positions of the bottom end surface of cover plate (2).
2. The air volume balance device for mine ventilation air methane recovery according to claim 1, characterized in that, The cover plate (2) is installed in the inner side position of the shell (1), and the outer side of the shell (1) is fixedly connected with the connecting plate (101) of frame structure, and the connecting plate (101) is provided with two.
3. The air volume balancing device for mine ventilation air waste heat utilization according to claim 2, characterized in that, The two connecting plates (101) are fixedly connected in opposite sides in the left and right side surface positions of the shell (1), and the inner four corner positions of the two connecting plates (101) are provided with connecting holes (102).
4. The air volume balancing device for mine ventilation air waste heat utilization according to claim 3, characterized in that, The inner side of the shell (1) is fixedly connected with the gasket (103) of U-shaped structure, and the gasket (103) is provided with two, and the two gaskets (103) are fixedly connected in opposite sides in the left and right side surface positions in the shell (1).
5. The air volume balancing device for mine ventilation air waste heat utilization according to claim 4, characterized in that, The inner side of the two gaskets (103) is provided with two positioning holes (104) in linear array, and the top end surface of the cover plate (2) is fixedly connected with the bracket (3) of U-shaped structure of bottom opening.
6. The air volume balancing device for mine ventilation air waste heat utilization according to claim 5, characterized in that, The right end surface of the bracket (3) is provided with servo motor (301), and the left side of the servo motor (301) is provided with output shaft, and the output shaft is provided with helical gear A (302), and the servo motor (301) and helical gear A (302) jointly constitute power output structure.
7. The air volume balancing device for mine ventilation air waste heat utilization system according to claim 1, characterized in that, The inner side of the support frame (203) is rotatably connected with the valve plate (303) for controlling air volume, and the top end surface of the valve plate (303) is coaxially provided with helical gear B (304), and helical gear B (304) is engaged with helical gear A (302) transmission, and helical gear B (304) and helical gear A (302) jointly constitute power transmission structure.