Convenient device based on PCW system of single crystal furnace

Abstract

The utility model relates to the related technical field of single crystal furnaces, in particular to a convenient device based on a PCW system of a single crystal furnace, which comprises a flange plate connected with a drain pipe; the pipeline is arranged on the flange plate, and the screw cap is detachably arranged at the end of the pipeline and used for maintaining the pressure of the circulating pipeline; the cap is arranged on the screw cap and applies force perpendicular to the axis of the cap to the cap so as to generate torque to drive the screw cap to be screwed in and out; according to the utility model, the screw cap can be quickly mounted and dismounted only by screwing in and screwing out the screw cap, the operation is simple, convenient and efficient, and once the flange plate is connected with the end part of the drainage pipe, the problem of sealing failure caused by repeated dismounting due to replacement of the Y-shaped filter is solved; the problems in the prior art are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to single crystal furnace related technical field especially, and it is a kind of convenient device based on single crystal furnace PCW system. BACKGROUND

[0002] In the single crystal pulling process, the water circulation system needs to take away the heat generated in the single crystal pulling process, and the more commonly used water circulation system is PCW system.

[0003] PCW system, full name process cooling water system (Process Cooling Water) or process cooling water system, is a key water circulation system for providing cooling for equipment and machinery in industrial production, and PCW system realizes effective cooling of process equipment such as single crystal furnace through heat exchange and circulation of chilled water and cooling water.

[0004] In the prior art, part of the PCW system structure is shown in the schematic as Figure 4 The circulating pipeline 7 is provided with a Y-type filter 8 and a high-pressure water pump 9 along the flow direction of the circulating cooling water, the Y-type filter 8 is mainly used to filter out the particulate matter in the circulating cooling water to prevent the particulate matter from entering the high-pressure water pump 9 and causing adverse effects on the high-pressure water pump 9, and the high-pressure water pump 9 provides power for the continuous circulation of the circulating cooling water in the circulating pipeline 7. In the single crystal pulling production process, the pressure stability value precision requirement of the circulating water supply in the pipeline is high, and the Y-type filter 8 at the inlet end of the high-pressure water pump 9 has a front and rear end pressure difference, so the Y-type filter 8 needs to be disassembled and cleaned periodically. Therefore, a DN80 drain pipe 10 is designed and installed at one end of the Y-type filter 8, a valve 11 is provided on the drain pipe 10, and a blind plate 12 is provided at the end of the drain pipe 10 through a flange plate, and the double pressure maintaining effect of the circulating pipeline 7 is realized through the valve 11 and the blind plate 12. When the Y-type filter 8 needs to be replaced and cleaned, the blind plate 12 is first removed by screwing, then the valve 11 is opened, the cooling water in the circulating pipeline 7 is discharged through the drain pipe 10, and when the cooling water is completely discharged from the circulating pipeline 7, the Y-type filter 8 is replaced and cleaned, and after the replacement and cleaning is completed, the blind plate 12 is installed by screwing, the valve 11 is closed, and the circulating cooling water is introduced to form a closed and pressure-stabilized space in the circulating pipeline 7.

[0005] But in the operation process found that because the blind plate 12 is through a plurality of bolts and the flange plate on the drain pipe 10 is connected by fastening, a plurality of bolts need to be disassembled or installed one by one during the dismounting or mounting of the blind plate 12 to realize the dismounting or mounting of the blind plate 12, the operation process is not only time-consuming, laborious and low in efficiency, but also the bolts and gaskets of the blind plate 12 flange are deformed due to uneven stress after repeated dismounting and mounting, leading to sealing failure, thereby causing the problems of pressure loss of the circulating pipeline 7 and pressure maintaining failure. Utility model content

[0006] The utility model discloses a convenient device based on single crystal furnace PCW system to solve the problems in the background art.

[0007] The utility model discloses the technical scheme is:

[0008] A convenient device based on single crystal furnace PCW system, comprising:

[0009] Flange plate, connect with drain pipe;

[0010] Pipeline, set up on the flange plate, with the drain pipe is linked together;

[0011] Rotary cover, detachable setting in the end of pipeline, is used to keep pressure for circulating pipeline;

[0012] Cap, set up on the rotary cover, the force that the cap is applied perpendicular to the cap axis, and then produce the moment, drive the rotary cover spin in, spin out.

[0013] Optional, the rotary cover is set up with recess, and the recess is placed with sealing pad, and the sealing pad is butt joint with the pipeline port.

[0014] Optional, the rotary cover is detachable connection through the threaded connection with the pipeline.

[0015] Optional, the cap is hexagonal columnar structure.

[0016] Optional, still include screwing assembly, and the screwing assembly is used for when spinning in, spinning out rotary cover with the cap sleeve joint.

[0017] Optional, the screwing assembly includes:

[0018] Supporting rod;

[0019] Sleeve, set up on the supporting rod.

[0020] Optional, the supporting rod is telescopic structure, and it includes:

[0021] First supporting portion, which is provided with a knob thereon;

[0022] The second support part is slidably connected with the first support part, and a plurality of screw holes corresponding to the knobs are formed in the second support part, and the knobs are screwed into the screw holes.

[0023] Optionally, the length of the first support part and the length of the second support part are each 700 mm.

[0024] Optionally, the sleeve comprises:

[0025] The first sleeve is arranged at the end of the first support part, and the shape and size of the internal cavity of the first sleeve are matched with the shape and size of the cap, and the first sleeve is sleeved on the cap; and / or

[0026] The second sleeve is arranged on the first support part and located at one side of the first sleeve, and the shape and size of the internal cavity of the second sleeve are matched with the shape and size of the cap, and the second sleeve is sleeved on the cap.

[0027] Optionally, the second sleeve is arranged on the first support part through the mounting seat.

[0028] Compared with the prior art, the utility model has the advantages of:

[0029] In the utility model, only the screwing in and screwing out operation of the screw cap is needed to realize the quick installation and disassembly of the screw cap, and the operation is simple, convenient and efficient, and once the flange plate and the end part of the drain pipe are connected, the problem of repeated disassembly due to the replacement of the Y-shaped filter does not occur, and the sealing failure problem is solved. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0031] Figure 1 It is a structure schematic view of the position relationship of the flange plate, the pipe, the screw cap and the cap in the present application.

[0032] Figure 2 is a schematic view of the overall structure of the screwing assembly in the present application;

[0033] Figure 3 is a schematic view of the overall structure of the screwing assembly in the present application from another perspective

[0034] Figure 4 is a schematic view of the prior art structure in the present application.

[0035] Reference signs:

[0036] 1, flange; 2, pipeline; 3, screw cap; 31, groove; 4, cap; 5, rubber ring;

[0037] 6, screwing assembly; 61, support rod; 611, first support part; 6111, knob; 612, second support part; 6121, screw hole; 62, sleeve; 621, first sleeve; 622, second sleeve; 63, handle; 64, mounting seat;

[0038] 7, circulating pipeline; 8, Y-shaped filter; 9, high-pressure water pump; 10, drain pipe; 11, valve; 12, blind plate; DETAILED DESCRIPTION

[0039] In the description of the present application, it is to be understood that 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" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0040] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0041] In view of the prior art, in the process of disassembling or installing the blind plate, a plurality of bolts need to be disassembled or installed one by one to realize the disassembly or installation of the blind plate, which is not only time-consuming and laborious, but also the bolts and gaskets of the blind plate flange are prone to deformation after repeated disassembly and installation due to uneven stress, resulting in sealing failure and causing the problem of pressure loss of the circulating pipeline.

[0042] As Figures 1-3 shown, the utility model discloses a convenient device based on single crystal furnace PCW system, including flange plate 1, pipeline 2, screw cap 3 and cap 4 etc.

[0043] One end of flange plate 1 is fastened and connected with another flange plate at the end of drain pipe 10 through bolt, and the other end is integrally formed with pipeline 2 communicated with drain pipe 10, and the free extension end of pipeline 2 is provided with external thread on the outer wall of pipeline 2 near the end of pipeline 2. Screw cap 3 is arranged at the free extension end of pipeline 2, and internal thread is formed on screw cap 3, and screw cap 3 is detachably connected with pipeline 2 through thread connection, and screw cap 3 is configured to realize one of the double pressure maintaining modes of circulating pipeline 7. Cap 4 is integrally formed on the end face of screw cap 3 away from internal thread, and the force perpendicular to the axis of cap 4 is applied to cap 4, and then torque is generated (that is, screwing action is generated by cap 4), which drives screw cap 3 to screw in and out, so that screw cap 3 is quickly installed and disassembled. As a preferred embodiment, cap 4 in the embodiment is substantially hexagonal column structure.

[0044] Further, in order to realize the sealing connection of screw cap 3 and pipeline 2, an annular groove 31 is formed on the end of screw cap 3 with internal thread, and a rubber ring 5 is placed in the annular groove 31, when the force perpendicular to the axis of cap 4 is applied to cap 4, so that screw cap 3 is installed on the outer wall of pipeline 2, the rubber ring 5 in screw cap 3 abuts at the port of pipeline 2, so as to realize the sealing connection of screw cap 3 and pipeline 2.

[0045] When used, the other flange plate at the end of drain pipe 10 is fixedly connected with flange plate 1 through bolt, and then the force perpendicular to the axis of cap 4 is applied to cap 4, so that screw cap 3 is sealingly installed on pipeline 2, when the Y-shaped filter 8 needs to be replaced and washed, the force perpendicular to the axis of cap 4 is first applied to cap 4, so that screw cap 3 is removed, then the valve 11 is opened, and the cooling water in the circulating pipeline 7 is discharged through the drain pipe 10, when the cooling water is completely discharged from the circulating pipeline 7, the Y-shaped filter 8 is replaced and washed, after the replacement and washing is completed, the force perpendicular to the axis of cap 4 is applied to cap 4, so that screw cap 3 is installed, the valve 11 is closed, and the circulating cooling water is introduced to form a closed and stable pressure space in the circulating pipeline 7 again.

[0046] Further, in order to save time and effort when screwing the cap 4, the convenient device further comprises a screwing assembly 6.

[0047] Specifically, as shown in Figures 2-3 the screwing assembly 6 comprises a support rod 61 and a sleeve 62 arranged on the support rod 61.

[0048] The support rod 61 has a telescopic structure, and the length of the support rod 61 is changed by telescoping.

[0049] Specifically, as shown in Figure 2 the support rod 61 comprises a first support part 611 and a second support part 612 slidably connected with the first support part 611.

[0050] The first support part 611 is provided with a knob 6111, and the second support part 612 is provided with a plurality of screw holes 6121 along the axial direction of the second support part 612. The screw holes 6121 correspond to the knob 6111, and the knob 6111 is screwed into the screw holes 6121 to achieve fixed connection of the first support part 611 and the second support part 612. When it is needed to extend the length of the support rod 61 to increase the force arm, the second support part 612 is dragged along the axial direction of the first support part 611 until the second support part 612 is moved to a suitable position, and then the knob 6111 is screwed into the screw holes 6121 to achieve fixed connection of the first support part 611 and the second support part 612.

[0051] As a preferred embodiment, the length of the first support part 611 and the second support part 612 is 700 mm respectively.

[0052] Further, in order to facilitate holding the support rod 61, a handle 63 is further arranged at the end of the second support part 612 of the support rod 61.

[0053] The sleeve 62 comprises a first sleeve 621 and a second sleeve 622.

[0054] The first sleeve 621 is arranged at the end of the first support part 611, and the shape and size of the internal cavity of the first sleeve 621 are matched with the shape and size of the cap 4. The first sleeve 621 can be sleeved on the outer wall of the cap 4. The second sleeve 622 is arranged on the first support part 611 through a mounting seat 64 and located at one side of the first sleeve 621. The shape and size of the internal cavity of the second sleeve 622 are matched with the shape and size of the cap 4. Similarly, the second sleeve 622 can also be sleeved on the outer wall of the cap 4.

[0055] In use, when the Y-shaped filter 8 needs to be cleaned, the first sleeve 621 is sleeved on the outer wall of the cap 4, the length of the supporting rod 61 is adjusted according to the actual application scene, then the handle 63 is held and the supporting rod 61 is rotated, the supporting rod 61 drives the first sleeve 621 and the cap 4 to rotate synchronously, and then the screw cap 3 is easily removed; when the Y-shaped filter 8 needs to be cleaned and the screw cap 3 is located at a lower or higher position, the second sleeve 622 is sleeved on the outer wall of the cap 4, and the length of the supporting rod 61 is adjusted according to the actual application scene, then the handle 63 is held and the supporting rod 61 is rotated, the supporting rod 61 drives the second sleeve 622 and the cap 4 to rotate synchronously, and then the screw cap 3 is easily removed.

[0056] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. A convenient device based on a single crystal furnace PCW system, characterized by, The utility model relates to a kind of water heater circulating pipe, including: Flange plate is connected with drain pipe;Pipeline is arranged on flange plate, and is communicated with the drain pipe;Rotary cap is detachably arranged at the end of pipeline, and is used to keep pressure for circulating pipeline;Cap is arranged on the rotary cap, and force is applied to the cap perpendicular to the axis of the cap, and then torque is generated, drives the rotary cap to rotate in and out.

2. The convenience device of claim 1, wherein, The rotary cap is provided with a groove, and a sealing gasket is placed in the groove.

3. The convenience device of claim 1, wherein, The rotary cap and the pipeline are detachably connected by threaded connection.

4. The convenience device of claim 1, wherein, The cap is hexagonal column structure.

5. The convenience device of claim 4, wherein, It also includes a screwing assembly for sleeving with the cap when rotating in and out the rotary cap.

6. The convenience device of claim 5, wherein, The screwing assembly includes a support rod and a sleeve arranged on the support rod.

7. The convenience device of claim 6, wherein, The support rod is telescopic structure, including a first support portion provided with a knob, and a second support portion slidably connected with the first support portion and provided with a plurality of screw holes corresponding to the knob, and the knob is screwed into the screw hole.

8. The convenience device of claim 7, wherein, The length of the first support portion and the second support portion is 700mm respectively.

9. The convenience device of claim 7, wherein, The sleeve includes a first sleeve arranged at the end of the first support portion, and the shape and size of the internal cavity of the first sleeve are matched with the shape and size of the cap, and the first sleeve can be sleeved on the cap, and / or a second sleeve arranged on the first support portion and located on one side of the first sleeve, and the shape and size of the internal cavity of the second sleeve are matched with the shape and size of the cap, and the second sleeve can be sleeved on the cap.

10. The convenience device of claim 9, wherein, The second sleeve is arranged on the first support portion by a mounting seat.

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