Exhaust device for expansion tank

Abstract

The utility model provides an exhaust device for an expansion tank, which comprises a connecting seat, an exhaust part and a cover body, the connecting seat is provided with a first connecting flange, the first connecting flange is connected with a second connecting flange on a target expansion tank through a bolt, the exhaust part is in threaded connection with the connecting seat, the exhaust part is provided with an exhaust port, and the exhaust port is connected with the cover body. The cover body is provided with a containing cavity, the containing cavity is communicated with the exhaust port, the cover body is connected into the containing cavity and used for shielding the exhaust port, and after the heating medium is conveyed into the expansion tank, air is discharged from the exhaust port, so that the pressure in the expansion tank is balanced with the atmospheric pressure, and the subsequent heating medium can continuously enter the expansion tank.

Description

Technical Field

[0001] The present application belongs to the technical field of temperature regulation, and more specifically, to an exhaust device for an expansion tank. Background Art

[0002] In the pharmaceutical process, both heating and cooling equipment play a key role; the integrated cooling and heating machine is a device that has emerged in recent years as the pharmaceutical and chemical industries have increased their requirements for temperature control. It combines the two functions of cooling and heating, and can quickly and accurately control the temperature, making the temperature control in the pharmaceutical and chemical production process more efficient.

[0003] During the heating process, as the heating mechanism heats the heating medium, the volume of the heating medium increases. At this time, part of the heating medium needs to be transported to the expansion tank for storage.

[0004] In the prior art, the expansion tank does not have an exhaust mechanism. When the heating medium is transported into the expansion tank, the pressure in the expansion tank increases, causing the subsequent heating medium to be unable to continue to be transported into the expansion tank. Summary of the invention

[0005] The purpose of the embodiments of the present application is to provide an exhaust device for an expansion tank to solve the technical problems existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted in the present application is: to provide an exhaust device for an expansion tank, comprising:

[0007] A connecting seat, provided with a first connecting flange, wherein the first connecting flange is connected to a second connecting flange on a target expansion tank by bolts;

[0008] An exhaust member, threadedly connected to the connecting seat, the exhaust member is provided with an exhaust port, and the cover body is provided with a receiving cavity, the receiving cavity is communicated with the exhaust port;

[0009] The cover body is connected to the accommodating cavity and is used for covering the exhaust port.

[0010] Optionally, an exhaust portion is provided on the connection seat, and an air guide port is provided on the exhaust portion, and the air guide port is used to connect the exhaust port with the interior of the target expansion tank.

[0011] Optionally, there are multiple air guide ports, and the multiple air guide ports are evenly distributed along the circumference of the exhaust portion.

[0012] Optionally, a guide protrusion is provided on the inner wall of the second connecting flange, a guide groove is provided on the outer wall of the exhaust portion, and the protrusion is adaptively connected to the guide groove.

[0013] Optionally, there are multiple guide protrusions, and the multiple guide protrusions are evenly distributed along the circumference of the second connecting flange.

[0014] Optionally, a plurality of anti-slip protrusions are provided on the outer wall of the exhaust member.

[0015] Optionally, a sealing ring is provided between the first connecting flange and the second connecting flange.

[0016] The beneficial effect of the exhaust device for an expansion tank provided in the present application is that, compared with the prior art, the exhaust device for an expansion tank provided in the present application includes a connecting seat, an exhaust member, and a cover body, the connecting seat is provided with a first connecting flange, the first connecting flange is connected to the second connecting flange on the target expansion tank by bolts, the exhaust member is threadedly connected to the connecting seat, the exhaust member is provided with an exhaust port, and the cover body is provided with a accommodating cavity, the accommodating cavity is communicated with the exhaust port, the cover body is connected to the accommodating cavity, and is used to cover the exhaust port, after the heating medium is transported into the expansion tank, the air is discharged from the exhaust port, so that the pressure in the expansion tank is balanced with the atmospheric pressure, so that the subsequent heating medium can continue to enter the expansion tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 A schematic diagram of the structure of an exhaust device for an expansion tank provided in an embodiment of the present application;

[0019] Figure 2 A cross-sectional view of an exhaust device for an expansion tank provided in an embodiment of the present application;

[0020] Figure 3 A schematic diagram of the structure of the second connecting flange provided in an embodiment of the present application.

[0021] Among them, the reference numerals in the figure are:

[0022] 10. Connecting seat; 11. First connecting method; 12. Bolt; 13. Exhaust part; 14. Air guide port; 15. Guide groove; 20. Exhaust member; 21. Exhaust port; 22. Anti-slip protrusion; 30. Cover body; 31. Exhaust channel; 40. Second connecting flange; 41. Sealing ring; 42. Guide protrusion. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0025] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position 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 specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] Please also read Figures 1 to 3 , the exhaust device for the expansion tank provided in the embodiment of the present application is now described.

[0028] An exhaust device for an expansion tank comprises a connecting seat 10, an exhaust member 20 and a cover body 30.

[0029] A first connection flange 11 is provided on the connection seat 10 , and the first connection flange 11 is connected to a second connection flange 40 on the target expansion tank through bolts 12 , and a sealing ring 41 is provided between the first connection flange 11 and the second connection flange 40 .

[0030] The exhaust member 20 is threadedly connected to the connection seat 10, and an exhaust port 21 is provided on the exhaust member 20. A plurality of anti-slip protrusions 22 are provided on the outer wall of the exhaust member 20. A receiving cavity is provided on the cover body, and the receiving cavity is communicated with the exhaust port 21. The cover body 30 is connected in the receiving cavity to cover the exhaust port 21.

[0031] Compared with the prior art, the exhaust device for an expansion tank provided in the present application includes a connecting seat 10, an exhaust member 20, and a cover body 30. The connecting seat 10 is provided with a first connecting flange 11, and the first connecting flange 11 is connected to the second connecting flange 40 on the target expansion tank through a bolt 12. The exhaust member 20 is threadedly connected to the connecting seat 10, and an exhaust port 21 is provided on the exhaust member 20, and a receiving cavity is provided on the cover body 30, and the receiving cavity is communicated with the exhaust port 21. The cover body 30 is connected to the receiving cavity, and the cover body 30 and the receiving cavity are provided with an exhaust channel 31, and the exhaust channel 31 is communicated with the exhaust port 21. The cover body 30 is connected to the receiving cavity to cover the exhaust port 21. After the heating medium is transported to the expansion tank, the air is discharged from the exhaust port 21, so that the pressure in the expansion tank is balanced with the atmospheric pressure, so that the subsequent heating medium can continue to enter the expansion tank.

[0032] In the present application, the connection seat 10 is provided with an exhaust portion 13, and the exhaust portion 13 is provided with an air guide port 14, which is used to connect the exhaust port 21 with the interior of the target expansion tank. There are multiple air guide ports 14, and the multiple air guide ports 14 are evenly distributed along the circumference of the exhaust portion 13.

[0033] In the present application, the inner wall of the second connection flange 40 is provided with a guide protrusion 42, and the outer wall of the exhaust portion 13 is provided with a guide groove 15, and the protrusion is adapted to be connected with the guide groove 15. There are multiple guide protrusions 42, and the multiple guide protrusions 42 are evenly distributed along the circumference of the second connection flange 40.

[0034] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An exhaust device for an expansion tank, characterized in that: include: A connecting seat, provided with a first connecting flange, wherein the first connecting flange is connected to a second connecting flange on a target expansion tank by bolts; An exhaust member, threadedly connected to the connecting seat, the exhaust member is provided with an exhaust port, and the cover body is provided with a receiving cavity, the receiving cavity is communicated with the exhaust port; The cover body is connected to the accommodating cavity and is used for covering the exhaust port.

2. The exhaust device for an expansion tank according to claim 1, characterized in that: The connecting seat is provided with an exhaust portion, and the exhaust portion is provided with an air guide port, and the air guide port is used to connect the exhaust port with the interior of the target expansion tank.

3. The exhaust device for an expansion tank according to claim 2, characterized in that: There are multiple air guide ports, and the multiple air guide ports are evenly distributed along the circumference of the exhaust portion.

4. The exhaust device for an expansion tank according to claim 3, characterized in that: The inner wall of the second connecting flange is provided with a guide protrusion, the outer wall of the exhaust portion is provided with a guide groove, and the protrusion is adaptively connected to the guide groove.

5. The exhaust device for an expansion tank according to claim 4, characterized in that: There are multiple guide protrusions, and the multiple guide protrusions are evenly distributed along the circumference of the second connecting flange.

6. The exhaust device for an expansion tank according to claim 1, characterized in that: A plurality of anti-slip protrusions are arranged on the outer wall of the exhaust member.

7. The exhaust device for an expansion tank according to claim 1, characterized in that: A sealing ring is provided between the first connecting flange and the second connecting flange.

Images