Mechanical seal cooling device with window

Abstract

The utility model discloses a mechanical seal cooling device with a window, which comprises a cylinder body, a sealing plate, a sealing cover, a sealing cover, a sealing cover and a sealing cover, wherein the top of the cylinder body is provided with the sealing plate, and the sealing plate is provided with a steam inlet interface; the window mechanism is mounted on the outer edge of the barrel; the liquid level meter is fixedly connected to the center of the top surface of the sealing plate; the upper flange is arranged at the bottom of the barrel; the lower flange plate is in bolted connection with the upper flange; the annular edge is fixedly connected to the outer edge of the upper flange; the spiral coil pipe is arranged in the cylinder body and is used for introducing cooling water; a cooling water inlet and a cooling water outlet of the spiral coil pipe are formed in the lower flange plate; and the condensate water outlet and the condensate water return port are arranged on the lower flange plate and are communicated with the interior of the cylinder body. The utility model effectively solves the problems that the glass tube window is fragile, the connecting part of the glass tube is easy to leak, the connecting surface of the upper and lower flanges is easy to accumulate dust and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling devices, in particular to a mechanical sealing cooling device with a viewing window. Background Art

[0002] At present, the mechanical seal cooling devices commonly used in bioreactors mostly use glass tubes as windows and condensed water media. Although they can achieve basic cooling and observation functions, there are many problems, such as the glass tube windows are fragile, the glass tube joints are prone to leakage, and the upper and lower flange connection surfaces have gaps due to the error in the length of the glass tube and the incomplete compression of the sealing ring, which is easy to accumulate dust and difficult to clean.

[0003] Therefore, there is an urgent need to design a mechanical seal cooling device with a window to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a mechanical sealing cooling device with a window, which effectively solves the problems of fragile glass tube windows, easy leakage at glass tube connections, easy dust accumulation at upper and lower flange connection surfaces, etc.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a mechanical seal cooling device with a window, comprising:

[0006] A cylinder with a sealing plate installed on the top, wherein a steam inlet interface is provided on the sealing plate;

[0007] A window mechanism installed on the outer edge of the cylinder;

[0008] A liquid level gauge fixedly connected to the center of the top surface of the sealing plate;

[0009] an upper flange disposed at the bottom of the cylinder;

[0010] a lower flange plate bolted to the upper flange;

[0011] A ring edge fixedly connected to the outer edge of the upper flange and used to cover the gap generated at the connection between the upper flange and the lower flange plate;

[0012] A spiral coil disposed inside the cylinder for introducing cooling water, wherein a cooling water inlet and a cooling water outlet of the spiral coil are both disposed on the lower flange plate;

[0013] and a condensate outlet and a condensate return port provided on the lower flange plate and leading into the interior of the cylinder;

[0014] Wherein, the window mechanism comprises: a viewing mirror base fixedly connected to the outer edge of the cylinder;

[0015] a mirror gland bolted to the mirror base;

[0016] And a mirror lens is sandwiched between the mirror base and the mirror pressure cover.

[0017] Preferably, the device further comprises a bracket fixedly connected to one side of the cylinder.

[0018] Preferably, an O-ring is sandwiched between the upper flange and the lower flange plate.

[0019] Preferably, the condensate return port is connected to an inner extension pipe located inside the cylinder.

[0020] Preferably, a gasket is sandwiched between the mirror lens and the mirror base and between the mirror lens and the mirror pressure cover.

[0021] Preferably, the interface forms of the steam inlet interface, the cooling water inlet, the cooling water outlet, the condensate outlet and the condensate return port are all Tri-Clamp quick-release connectors.

[0022] Preferably, the device also includes a first valve for controlling the opening and closing of the steam inlet interface, a second valve for controlling the opening and closing of the cooling water outlet, a third valve for controlling the opening and closing of the cooling water inlet, and a fourth valve for controlling the opening and closing of the condensate outlet.

[0023] Preferably, the fourth valve is connected to the liquid level meter.

[0024] Preferably, the outer edge of the cylinder is provided with a waist-shaped hole which corresponds to the position of the window mechanism and the shape of the mirror lens and has arc-shaped upper and lower ends.

[0025] Preferably, the condensate return port is also connected to an external mechanical seal water outlet, and the condensate outlet is also connected to an external mechanical seal water inlet.

[0026] The utility model provides a mechanical seal cooling device with a window, which has the following beneficial effects:

[0027] 1. The mechanically sealed cooling device with a window avoids the problems caused by the fragility and leakage of the existing glass tubes through the arrangement of the window mechanism and its auxiliary structures as well as the spiral coil structure, improves the cooling effect, visualization effect and safety, and also ensures the cleanliness and sealing of the device.

[0028] 2. The mechanical seal cooling device with a viewing window optimizes the flange structure by setting the upper flange, the lower flange plate and the ring edge, eliminates the gaps and dead angles at the flange connection surface, and is easy to clean and maintain.

[0029] 3. The mechanical seal cooling device with a viewing window realizes automatic detection of the liquid level and automatic control of the cooling internal circulation through the connection setting of the liquid level gauge and each valve, thereby improving the convenience of operation and the operating efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a structural schematic diagram of a mechanical seal cooling device with a window according to the utility model;

[0031] Figure 2 This is a bottom view of a mechanical seal cooling device with a viewing window according to the utility model;

[0032] Figure 3 This is a structural exploded view of a mechanical seal cooling device with a viewing window according to the utility model;

[0033] Figure 4 This is a bottom-up structural exploded view of a mechanical seal cooling device with a viewing window according to the utility model;

[0034] Figure 5 The utility model is a working flow chart of a mechanical seal cooling device with a window.

[0035] In the figure: 1. Cylinder; 101. Sealing plate; 102. Steam inlet interface; 2. Bracket; 3. Window mechanism; 31. Sight glass base; 32. Sight glass gland; 33. Sight glass lens; 34. Gasket; 4. Liquid level gauge; 5. Upper flange; 6. Lower flange plate; 7. Ring edge; 8. Spiral coil; 801. Cooling water inlet; 802. Cooling water outlet; 9. Condensate return port; 901. Inner extension pipe; 10. Condensate outlet; 11. O-ring; 12. Mechanical seal outlet; 13. Mechanical seal inlet; 14. First valve; 15. Second valve; 16. Third valve; 17. Fourth valve; 18. Fifth valve. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0037] See also Figure 1-5 The utility model provides a technical solution: a mechanical seal cooling device with a window, comprising:

[0038] A cylinder 1 with a sealing plate 101 installed on the top, the sealing plate 101 is circular, and a steam inlet interface 102 for introducing steam is provided on the sealing plate 101; in this embodiment, a waist-shaped hole corresponding to the position of the window mechanism 3 and the shape of the mirror lens 33 is provided on the outer edge of the cylinder 1, and the upper and lower ends of the waist-shaped hole are arc-shaped, which is convenient for observing the liquid level inside the cylinder 1;

[0039] A bracket 2 fixedly connected to one side of the cylinder 1, used to fix the mechanical seal cooling device;

[0040] A window mechanism 3 mounted on the outer edge of the cylinder 1;

[0041] A liquid level gauge 4 fixedly connected to the center of the top surface of the sealing plate 101; in this embodiment, the liquid level gauge 4 is a float liquid level gauge 4, which is used to detect the liquid level;

[0042] An upper flange 5 is arranged at the bottom of the cylinder 1;

[0043] A lower flange plate 6 connected to the upper flange 5 by bolts; in this embodiment, an O-ring 11 is sandwiched between the upper flange 5 and the lower flange plate 6 to enhance sealing;

[0044] A ring edge 7 fixedly connected to the outer edge of the upper flange 5 and used to cover the gap generated at the connection between the upper flange 5 and the lower flange plate 6; in this embodiment, the ring edge 7 extends downward along the outer ring of the upper flange 5, which is equivalent to a dust cover, which can not only cover the gap generated at the connection between the upper flange 5 and the lower flange plate 6 to prevent debris from entering the gap, but also facilitate cleaning and maintenance of the device;

[0045] A spiral coil 8 is arranged inside the cylinder 1 and above the lower flange plate 6 and is used to pass cooling water. The cooling water inlet 801 and the cooling water outlet 802 of the spiral coil 8 are both arranged on the lower flange plate 6. The steam inside the cylinder 1 contacts the outer wall of the spiral coil 8 for heat exchange to form condensed water on the surface of the spiral coil 8.

[0046] and two condensate return ports 9 and condensate outlet ports 10 provided on the lower flange plate 6 and leading into the interior of the cylinder 1; in the present embodiment, the condensate return port 9 is connected to an inner extension pipe 901 located inside the cylinder 1, the condensate return port 9 is also connected to an external mechanical seal outlet port 12, and the condensate outlet port 10 is also connected to an external mechanical seal inlet port 13, the condensate flows into the mechanical seal inlet port 13 through the condensate outlet port 10, and then flows out from the mechanical seal outlet port 12 to the condensate return port 9 to enter the device for circulation;

[0047] The window mechanism 3 includes: a mirror base 31 fixedly connected to the outer edge of the cylinder 1;

[0048] A mirror gland 32 bolted to the mirror base 31;

[0049] And a mirror lens 33 sandwiched between the mirror base 31 and the mirror cover 32; in the present embodiment, a gasket 34 is sandwiched between the mirror lens 33 and the mirror base 31 and between the mirror lens 33 and the mirror cover 32, the gasket 34 is a silicone rubber gasket 34, used for sealing and protecting the mirror lens 33, the mirror lens 33 is made of tempered glass, which is convenient for observing the liquid level in the cylinder 1.

[0050] In addition, in the present embodiment, the interface forms of the steam inlet interface 102, the cooling water inlet 801, the cooling water outlet 802, the condensate return port 9, the condensate outlet 10, the mechanical seal outlet 12 and the mechanical seal inlet 13 are all Tri-Clamp quick-release connectors; the device also includes a first valve 14 for controlling the opening and closing of the steam inlet interface 102, a second valve 15 for controlling the opening and closing of the cooling water outlet 802, a third valve 16 for controlling the opening and closing of the cooling water inlet 801, and a fourth valve 17 for controlling the opening and closing of the condensate outlet 10, and the fourth valve 17 is connected to the liquid level meter 4, the liquid level meter 4 is a float switch, and when the liquid level meter 4 reaches the set value, the fourth valve 17 is automatically opened to allow the condensate to flow out of the cylinder, and after completing a cycle of production, the condensate in the mechanical seal is emptied through a fifth valve 18 for equipment maintenance.

[0051] The working principle and use method of the utility model are as follows:

[0052] First, the first valve 14 is opened to allow steam to enter the interior of the cylinder 1 through the steam inlet interface 102 , and at the same time, the third valve 16 is opened to allow cooling water to enter the spiral coil 8 from the cooling water inlet 801 .

[0053] Then, the steam entering the cylinder 1 contacts the surface of the spiral coil 8 through which cooling water is passed for heat exchange, thereby forming condensed water on the surface of the spiral coil 8. In addition, the cooling water can be discharged from the cooling water outlet 802 by controlling the second valve 15, so that the cooling water can be kept flowing in the spiral coil 8 at all times.

[0054] Secondly, the liquid level in the cylinder 1 can be observed through the window mechanism 3, and the liquid level meter 4 can automatically detect the liquid level in the cylinder 1. When the liquid level reaches the set value, the fourth valve 17 is automatically opened, and the condensed water inside the cylinder 1 flows into the mechanical seal inlet 13 through the condensed water outlet 10. The condensed water is mechanically stirred in the mechanical seal, then flows out from the mechanical seal outlet 12 and flows back to the condensed water return port 9. Thereafter, the condensed water flows back into the cylinder 1 through the inner extension pipe 901 for condensed water circulation.

[0055] Finally, after circulating cooling and completing one cycle of production, the fifth valve 18 is opened to drain the condensed water and perform maintenance and cleaning of the equipment.

[0056] In summary, the utility model has the following advantages:

[0057] The mechanical seal cooling device with a window avoids the problems caused by the fragility and leakage of the existing glass tube by arranging the window mechanism and its auxiliary structures as well as the spiral coil structure, improves the cooling effect, visualization effect and safety, and ensures the cleanliness and sealing of the device; optimizes the flange structure by arranging the upper flange, the lower flange plate and the ring edge, eliminates the gap and dead angle at the flange connection surface, and is convenient for cleaning and maintenance; realizes automatic detection of the liquid level and automatic control of the cooling internal circulation by connecting the liquid level gauge and various valves, improves the convenience of operation and the running efficiency of the device; in addition, the utility model has the advantages of simple structure, low cost, easy installation and disassembly, etc.

[0058] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mechanical seal cooling device with a window, characterized in that: The device comprises: A cylinder with a sealing plate installed on the top, wherein a steam inlet interface is provided on the sealing plate; A window mechanism installed on the outer edge of the cylinder; A liquid level gauge fixedly connected to the center of the top surface of the sealing plate; an upper flange disposed at the bottom of the cylinder; a lower flange plate bolted to the upper flange; A ring edge fixedly connected to the outer edge of the upper flange and used to cover the gap generated at the connection between the upper flange and the lower flange plate; A spiral coil disposed inside the cylinder for introducing cooling water, wherein a cooling water inlet and a cooling water outlet of the spiral coil are both disposed on the lower flange plate; and a condensate outlet and a condensate return port provided on the lower flange plate and leading into the interior of the cylinder; Wherein, the window mechanism comprises: a viewing mirror base fixedly connected to the outer edge of the cylinder; a mirror gland bolted to the mirror base; And a mirror lens is sandwiched between the mirror base and the mirror pressure cover.

2. The mechanical seal cooling device with a window according to claim 1, characterized in that: The device also includes a bracket fixedly connected to one side of the cylinder.

3. The mechanical seal cooling device with a window according to claim 1, characterized in that: An O-ring is sandwiched between the upper flange and the lower flange plate.

4. The mechanical seal cooling device with a window according to claim 1, characterized in that: The condensate return port is connected to an inner extension pipe located inside the cylinder.

5. The mechanical seal cooling device with a window according to claim 1, characterized in that: A gasket is sandwiched between the mirror lens and the mirror base and between the mirror lens and the mirror pressure cover.

6. The mechanical seal cooling device with a window according to claim 1, characterized in that: The interface forms of the steam inlet interface, the cooling water inlet, the cooling water outlet, the condensate outlet and the condensate return port are all Tri-Clamp quick-release connectors.

7. The mechanical seal cooling device with a window according to claim 1, characterized in that: The device also includes a first valve for controlling the opening and closing of the steam inlet interface, a second valve for controlling the opening and closing of the cooling water outlet, a third valve for controlling the opening and closing of the cooling water inlet, and a fourth valve for controlling the opening and closing of the condensate outlet.

8. The mechanical seal cooling device with a window according to claim 7, characterized in that: The fourth valve is connected to the liquid level meter.

9. The mechanical seal cooling device with a window according to claim 1, characterized in that: The outer edge of the cylinder is provided with a waist-shaped hole which corresponds to the position of the window mechanism and the shape of the mirror lens and has arc-shaped upper and lower ends.

10. The mechanical seal cooling device with a window according to claim 1, characterized in that: The condensate return port is also connected to an external mechanical seal water outlet, and the condensate outlet is also connected to an external mechanical seal water inlet.

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