Positioning and locking structure for controlling opening degree of ball valve and single crystal furnace cooling water system

Abstract

The utility model provides a positioning and locking structure for controlling the opening degree of a ball valve and a single crystal furnace cooling water system, and aims to solve the technical problem of high energy consumption during cooling of an existing single crystal furnace. The system comprises a positioning and locking structure for controlling the opening degree of the ball valve, the positioning and locking structure for controlling the opening degree of the ball valve comprises an adjusting piece connected with a valve rod, and the valve rod is driven by the adjusting piece to rotate so as to adjust the flow; the dial is connected with the valve seat and is positioned below the adjusting piece; the limiting piece comprises a limiting clamping block, and a first clamping groove and an inserting groove which are formed in the limiting clamping block; one end of the adjusting piece is connected with the first clamping groove in a clamped mode. And the dial is inserted into the slot. According to the utility model, the flow opening can be controlled, the turning position of the adjusting piece can be determined according to the flow change displayed by the water flow meter, and the opening of the ball valve is controlled, the supply of cooling water is reduced and the energy consumption is reduced on the premise of ensuring the required cooling water quantity of the single crystal furnace.

Description

Technical Field

[0001] The utility model relates to the technical field of the cooling water system of a single crystal furnace, in particular to a positioning and locking structure for controlling the opening degree of a ball valve and a single crystal furnace cooling water system. Background Art

[0002] The single crystal furnace transfers current to the heater through electrodes to generate high-temperature molten silicon blocks into a liquid state, and finally a single crystal silicon rod is drawn through processes such as crystal pulling technology. During the production process of the single crystal furnace, the inside of the furnace is always in a high-temperature state. Each component of the single crystal furnace has a built-in water channel and can be connected to circulating cooling water respectively to ensure that the components will not be deformed or damaged due to high temperature. At present, the opening degree of each cooling water circulation path of the single crystal furnace is basically 100% fully open, aiming to cool down each component of the single crystal furnace to the greatest extent and prevent abnormal situations. However, this is not conducive to energy conservation and consumption reduction. Moreover, while the circulating cooling water continuously circulates through the component water path to cool down the single crystal furnace, it will also increase the heating power of the single crystal furnace, increase power consumption, and the water and electricity supply ratio is inappropriate, resulting in excessive energy consumption. Summary of the Invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide a positioning and locking structure for controlling the opening degree of a ball valve and a single crystal furnace cooling water system, which solves the technical problem of high energy consumption during the cooling of the existing single crystal furnace.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A positioning and locking structure for controlling the opening degree of a ball valve, comprising: an adjusting member connected to the valve stem, and the valve stem rotates under the drive of the adjusting member to adjust the flow rate; a scale disk connected to the valve seat and located below the adjusting member; a limiting member including a limiting block, and a first card slot and a slot provided on the limiting block; wherein, one end of the adjusting member is clamped with the first card slot; the scale disk is inserted into the slot.

[0006] The positioning and locking structure for controlling the opening degree of a ball valve can realize the control of the flow opening degree. During use, the water path branch that can appropriately adjust the flow rate can be screened out according to the production system data first, the flow rate change can be accurately controlled through a digital display water flow meter, then the positioning and locking structure is installed on the corresponding water path control ball valve, and then the rotation position of the adjusting member is determined according to the flow rate change shown by the water flow meter, so that the flow opening degree meets the requirements, realizing the accurate control of the flow opening degree. On the premise of ensuring the required water volume for the cooling of the single crystal furnace, the opening degree of the ball valve is controlled, the supply of cooling water is reduced, and the energy consumption is reduced. At the same time, the positioning and locking structure is convenient to assemble, the whole operation process is simple, convenient, fast, and has strong stability.

[0007] Optionally, a through hole is provided on the upper surface of the limiting clamping block. The depth of the slot is greater than that of the first clamping groove. The through hole communicates with the slot and corresponds to the scale reading position of the dial. The through hole can display the scale value of the dial, which is beneficial to observing the value and facilitating adjustment.

[0008] Optionally, a connection hole is formed on the upper surface of one side of the adjusting member. A clamping portion is located on one side of the connection hole. The connection hole is connected to the valve stem, and the clamping portion is adapted to the first clamping groove.

[0009] Optionally, a clamping block is provided at the lower end of the clamping portion, and the clamping block is perpendicular to the clamping portion.

[0010] Optionally, the dial includes a disk body, and an installation hole, a through groove and scales provided on the disk body. The installation hole is connected to the valve seat. Scales are provided on the upper surface of the disk body. A through groove is provided between the scales and the installation hole; the limiting member further includes a second clamping groove, and the second clamping groove is adapted to the clamping block; the clamping portion extends above the through groove, and the clamping block passes through the through groove and is clamped with the second clamping groove. Through the clamping cooperation of the two clamping grooves with the clamping portion and the clamping block, it is beneficial to improve the stability of use.

[0011] Optionally, the installation hole and the through groove are communicated.

[0012] A single crystal furnace cooling water system includes a positioning and locking structure for controlling the opening degree of a control ball valve as described in any one of the above.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] The positioning and locking structure for controlling the opening degree of the control ball valve can realize the control of the flow opening degree. When in use, the waterway branch that can appropriately adjust the flow can be screened out according to the production system data first. The flow change can be accurately controlled by a digital display water flowmeter. Then the positioning and locking structure is installed on the corresponding waterway control ball valve. Then the rotation position of the adjusting member is determined according to the flow change displayed by the water flowmeter so that the flow opening degree meets the requirements, realizing accurate control of the flow opening degree. On the premise of ensuring the required water volume for the cooling of the single crystal furnace, the opening degree of the control ball valve is controlled, the supply of cooling water is reduced, and the energy consumption is lowered. At the same time, the positioning and locking structure is convenient to assemble. Through the adjusting member driving the valve stem and the limiting member for locking and the setting of the through hole, the whole operation process is simple, convenient, fast and has strong stability. Description of the Drawings

[0015] To more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 Structural schematic of the present utility model Figure 1 。

[0017] Figure 2 Structural schematic of the present utility model Figure 2 。

[0018] Figure 3 Exploded structural schematic diagram of the present utility model.

[0019] Figure 4 Top view of the present utility model.

[0020] Figure 5 Side view of the present utility model.

[0021] Figure 6 Structural schematic diagram of the limiting member in the present utility model.

[0022] Reference numerals: 1, valve body; 2, valve seat; 3, valve rod; 4, adjusting member; 41, connecting hole; 42, clamping portion; 43, clamping block; 5, dial; 51, disc body; 52, mounting hole; 53, through groove; 54, scale; 6, limiting member; 61, limiting block; 62, first card slot; 63, slot; 64, through hole; 65, second card slot. Detailed implementation manners

[0023] In the following text, only some exemplary embodiments are briefly described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present utility model application. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0024] In the description of the embodiments of the present utility model application, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "end", "side", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the embodiments of the present utility model application and for simplification, 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, it should not be construed as a limitation to the embodiments of the present utility model application.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model application, "a plurality of" means two or more, unless otherwise specifically defined.

[0026] In the embodiments of the present utility model application, unless otherwise clearly specified and limited, the terms "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model application can be understood according to specific circumstances.

[0027] In the embodiments of the present utility model application, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath" and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0028] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present utility model application. To simplify the disclosure of the embodiments of the present utility model application, components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the embodiments of the present utility model application. In addition, the embodiments of the present utility model application may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0029] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0030] Embodiment 1

[0031] As Figures 1 to 6 shown, the embodiments of the present utility model application provide a positioning and locking structure for controlling the opening degree of a ball valve, including: a valve body 1, a valve seat 2, a valve stem 3, an adjusting member 4, a scale disk 5, and a limiting member 6.

[0032] The valve seat 2 is installed at the top of the valve body 1; the valve stem 3 is movably inserted in the middle of the valve seat 2 for controlling the on-off of the liquid and adjusting the opening degree of the liquid flow; one end of the adjusting member 4 is connected to the valve stem 3, and the valve stem 3 rotates under the drive of the adjusting member 4, so as to change the opening degree of the valve body passage to different degrees to achieve the purpose of adjusting the flow rate; the scale disk 5 is installed on the valve seat 2 and is located below the adjusting member 4, and the adjusting angle of the adjusting member 4 can be determined through the scale disk 5; the limiting member 6 is clamped with the adjusting member 4 and the scale disk 5 to lock the adjusting member 4.

[0033] Specifically,

[0034] The adjusting member 4 is a handle structure, and a connecting hole 41 is opened on the upper surface of one side thereof. A clamping portion 42 is located on one side of the connecting hole 41. The connecting hole 41 is fixedly connected to the valve stem 3, and the clamping portion 42 is used in cooperation with the limiting member 6. During use, the valve stem 3 is driven to rotate by rotating the adjusting member 4, so that the valve stem 3 adjusts the liquid flow rate; the adjusting member 4 is locked by clamping the limiting member 6 with the clamping portion 42.

[0035] The limiting member 6 includes a limiting block 61 and a first card slot 62, a slot 63, and a through hole 64 opened on the limiting block 61.

[0036] One end of the limiting block 61 is provided with a first card slot 62 and a slot 63. The first card slot 62 is located above the slot 63. The depth of the slot 63 is greater than that of the first card slot 62. The first card slot 62 is adapted to the clamping part 42, and the slot 63 is adapted to the dial 5. A through hole 64 is provided on the limiting block 61 on one side of the first card slot 62. The through hole 64 is communicated with the slot 63 below, and the position of the through hole 64 corresponds to the scale reading position of the dial 5. The through hole 64 can display the value of the dial 5. By clamping the clamping part 42 in the first card slot 62 to limit the movement of the adjusting part 4, when the clamping part 42 is clamped in the first card slot 62, the dial 5 is just inserted into the slot 63, and the corresponding reading can be just observed through the through hole 64.

[0037] Optionally, the limiting block 61 has a rectangular structure.

[0038] During use, connect the dial 5 to the valve seat 2 and connect the adjusting part 4 to the valve rod 3. When the flow opening needs to be adjusted, rotate the adjusting part 4. The valve rod 3 rotates under the drive of the adjusting part 4 to adjust the flow. The dial 5 can determine the angle adjusted by the adjusting part 4, so that the adjusted flow opening meets the requirements and improves the accuracy of flow opening control. Finally, the adjusting part 4 is locked by clamping the limiting part 6 with the adjusting part 4 and the dial 5. The locking operation is fast and convenient, and has strong stability. The adjusting part 4 can be adjusted at any angle within the required range. The through hole 64 is beneficial to observing the value, and is beneficial for the single crystal furnace to determine the turning position of the adjusting part according to the flow change shown by the water flowmeter during the production process.

[0039] Embodiment 2

[0040] On the basis of Embodiment 1, in this embodiment, the dial 5 includes a disk body 51 and an installation hole 52, a through groove 53 and a scale 54 provided on the disk body 51.

[0041] Optionally, the disk body 51 has a fan-shaped structure. The installation hole 52 is fixedly connected to the valve seat 2. A through groove 53 is provided on one side of the installation hole 52. A scale 54 is provided on the upper surface of the disk body 51 on one side of the through groove 53. The scale 54 is arranged away from the installation hole 52, that is: the through groove 53 is located between the scale 54 and the installation hole 52.

[0042] In this embodiment, a clamping block 43 is further extended at the lower end of the clamping part 42. The clamping block 43 is perpendicular to the clamping part 42, that is: the clamping part 42 and the clamping block 43 form an "L" - shaped structure. The clamping part 42 extends above the through groove 53 of the dial 5, and the clamping block 43 extends towards the through groove 53. In this way, the first card slot 62 can be clamped with the clamping part 42 and the clamping block 43, increasing the clamping area, so as to better limit the adjusting part 4 and improve its stability.

[0043] Optionally, the mounting hole 52 is communicated with the through groove 53.

[0044] Optionally, the restricting member 6 further includes a second card slot 65 which is used in cooperation with the clamping block 43. When the restricting member 6 is clamped with the dial 5 and the adjusting member 4, the second card slot 65 is just clamped with the lower part of the clamping block 43. Through the cooperation between the second card slot 65 and the clamping block 43, the stability in use is further improved.

[0045] Optionally, the second card slot 65 is substantially equal to the first card slot 62.

[0046] Optionally, the through hole 64 penetrates through the entire restricting block 61.

[0047] Embodiment 3

[0048] The embodiment of the present utility model application provides a single crystal furnace cooling water system, including the positioning and locking structure for controlling the opening of the ball valve described in Embodiment 1 or Embodiment 2.

[0049] Exemplarily, the single crystal furnace cooling water system mainly includes components such as a cooling water tank, a water pump, a cooler, a heat exchanger, a control system, connecting pipes and valves, etc. When in use, a dial 5, an adjusting member 4 and a restricting member 6 are assembled on the corresponding valve. When the flow opening needs to be adjusted, the adjusting member 4 is rotated, and the valve stem 3 rotates under the drive of the adjusting member 4 to adjust the flow rate. By controlling the flow opening, on the premise of ensuring the required cooling water volume for the single crystal furnace, the opening of the ball valve is controlled to reduce the supply of cooling water, achieving the purpose of energy conservation and consumption reduction. At the same time, the water and electricity supply ratio is appropriate, which can avoid excessive energy consumption, ensure the single crystal quality, shorten the heating time of the single crystal furnace, and improve the production efficiency.

[0050] A method for controlling the flow opening of a ball valve in a single crystal furnace cooling water system includes the following steps:

[0051] Step S1: Screen out the water circuit branches that can be appropriately adjusted in flow rate according to the production system data, and accurately control the flow rate change through a digital display water flow meter.

[0052] Step S2: Assemble the dial 5 and the adjusting member 4 on the corresponding water circuit control ball valve. Specifically, install the dial 5 on the corresponding valve seat 2, connect the adjusting member 4 with the valve stem 3, and the adjusting member 4 is located above the dial 5.

[0053] Step S3: Determine the turning-back position of the adjusting member 4 according to the flow rate change shown by the water flow meter.

[0054] Step S5: Snap the limiting block 61 with the adjusting member 4 and the dial 5 to lock the adjusting member 4. Specifically, the first card slot 62 and the second card slot 65 are snapped with the card-connecting portion 42 and the card-connecting block 43. The dial portion with the scale 54 is located in the slot 63, and the through hole 64 displays the scale value.

[0055] Optionally, after the limiting block 61 is snapped with the adjusting member 4 and the dial 5, it can also be fixed by fasteners such as bolts.

[0056] The parts not described in detail in this embodiment are well-known technologies in the art.

[0057] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various changes or substitutions, and these should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A positioning and locking structure for controlling the opening degree of a ball valve, characterized in that Comprising: An adjusting member (4), connected to a valve stem (3), and the valve stem (3) rotates under the drive of the adjusting member (4) to adjust the flow rate; A dial (5), connected to a valve seat (2) and located below the adjusting member (4); A limiting member (6), including a limiting block (61), and a first card slot (62) and a slot (63) provided on the limiting block (61); Wherein, one end of the adjusting member (4) is clamped with the first card slot (62); the dial (5) is inserted into the slot (63).

2. The positioning and locking structure according to claim 1, wherein A through hole (64) is provided on the upper surface of the limiting block (61), the depth of the slot (63) is greater than the depth of the first card slot (62), the through hole (64) is communicated with the slot (63), and the through hole (64) corresponds to the scale reading position of the dial (5).

3. The positioning and locking structure according to claim 1 or 2, characterized in that, A connection hole (41) is provided on the upper surface of one side of the adjusting member (4), a clamping portion (42) is on one side of the connection hole (41), the connection hole (41) is connected to the valve stem (3), and the clamping portion (42) is adapted to the first card slot (62).

4. The positioning and locking structure according to claim 3, characterized in that A clamping block (43) is provided at the lower end of the clamping portion (42), and the clamping block (43) is perpendicularly arranged with the clamping portion (42).

5. The positioning and locking structure according to claim 4, characterized in that Comprising: The dial (5) includes a disc body (51), and a mounting hole (52), a through groove (53) and a scale (54) provided on the disc body (51), the mounting hole (52) is connected to the valve seat (2), a scale (54) is provided on the upper surface of the disc body (51), and a through groove (53) is provided between the scale (54) and the mounting hole (52); The limiting member (6) further includes a second card slot (65), and the second card slot (65) is adapted to the clamping block (43); The clamping portion (42) extends above the through groove (53), and the clamping block (43) passes through the through groove (53) and is clamped with the second card slot (65).

6. The positioning and locking structure according to claim 5, wherein, The mounting hole (52) is communicated with the through groove (53).

7. A single crystal furnace cooling water system, characterized in that, Comprising a positioning and locking structure for controlling the opening of a ball valve according to any one of claims 1 to 6.

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