Inner and outer jacket seal head with good sealing effect

Abstract

The utility model discloses an inner and outer jacket seal head with a good sealing effect, which relates to the technical field of seal heads and comprises a flange seat, an inner jacket is fixedly arranged in the middle of the upper surface of the flange seat, an outer jacket is fixedly arranged on the upper surface of the inner jacket, and both the inner jacket and the outer jacket are of convex structures. According to the utility model, the inner layer jacket and the outer layer jacket are arranged above the flange seat, the inner layer jacket and the outer layer jacket form a double-jacket structure, and the one-way valve is arranged between the inner layer jacket and the outer layer jacket, so that the inner layer jacket and the outer layer jacket can be independently used; therefore, the combined use mode of the inner-layer jacket and the outer-layer jacket can be selected according to the application range of the product, and the application range of the product is greatly widened.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing heads, in particular to an inner and outer jacketed sealing head with good sealing effect. Background Art

[0002] Jacketed heads are end caps used on jacketed pressure vessels. They are a primary pressure-bearing component and provide a seal. Jacketed pressure vessels are essentially pressure vessels that can exchange heat and cold. Depending on the needs of the reactants within the vessel, heating or cooling is achieved through the interlayer using a carrier. Existing jacketed heads are mostly single-layer structures, offering limited insulation performance and a limited range of applications.

[0003] For example, a jacketed head with publication number CN210510260U belongs to the field of chemical equipment. It includes an inner head and an outer head; the cross-sections of the inner and outer heads are both semi-elliptical ring structures, and the lower end of the semi-elliptical ring structure is also provided with a straight edge section; a chamber is formed between the inner and outer heads. The jacketed head of this utility model can achieve good thermal insulation effect, and the jacketed head is integrally formed with high structural strength, which can meet the requirements of large-scale, high-intensity environments. There are no gaps on the inner and outer surfaces, which facilitates cleaning and reduces corrosion.

[0004] The jacketed head in the above technical solution has the problems of single structure and limited scope of application.

[0005] Therefore, it is necessary to invent an inner and outer jacketed head with good sealing effect to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide an inner and outer jacketed head with good sealing effect, so as to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an inner and outer jacketed head with good sealing effect, comprising a flange seat, an inner jacket fixedly provided on the middle part of the upper surface of the flange seat, an outer jacket fixedly provided on the upper surface of the inner jacket, the inner jacket and the outer jacket both being arranged in a "convex" structure, a fixed cover fixedly provided on the middle part of the upper surface of the inner jacket, a plurality of flow guide covers arranged around the outer side wall of the fixed cover, the cross-section of the flow guide cover being arranged in a "∩"-shaped structure, a plurality of flow guide grooves being provided through the outer side wall of the fixed cover, and the plurality of flow guide grooves corresponding to the plurality of flow guide covers, a plurality of connecting grooves being provided through the top end of the inner side wall of the inner jacket, and the top end of the connecting grooves extending to the interior of the flow guide cover, a plurality of one-way valves being provided through the upper surface of the flow guide cover, and one end of the one-way valve extending to the interior of the outer jacket.

[0008] Preferably, an inner water inlet pipe is provided through the middle of the upper surface of the fixed cover, and the top end of the inner water inlet pipe extends to the outside of the outer jacket.

[0009] Preferably, an outer water inlet pipe and a drain pipe are respectively provided through both ends of the upper surface of the outer jacket.

[0010] Preferably, the bottom ends of the outer water inlet pipe and the drain pipe extend to the interior of the outer jacket.

[0011] Preferably, a plurality of mounting holes are provided through the upper surface of the flange seat, and the plurality of mounting holes are arranged in a circumferential manner.

[0012] Technical effects and advantages of this utility model:

[0013] 1. The utility model arranges an inner jacket and an outer jacket above the flange seat to form a double-jacket structure. A one-way valve is arranged between the inner jacket and the outer jacket. The one-way valve allows the inner jacket and the outer jacket to be used separately, so that the combination of the inner jacket and the outer jacket can be selected according to the applicable scope of the product, which greatly improves the adaptability of the product.

[0014] 2. The utility model is provided with an inner jacket and an outer jacket, a fixed cover is provided between the inner jacket and the outer jacket, an inner water inlet pipe is provided in the middle of the fixed cover, and a plurality of one-way valves are provided on the upper surface of the fixed cover. The setting of the one-way valve enables one-way communication between the inner jacket and the outer jacket, so that the inner jacket and the outer jacket can share a drain pipe, thereby simplifying the assembly process of the device and facilitating the use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the internal structure of the overall structure of the utility model.

[0017] Figure 3 It is a schematic cross-sectional view of the overall structure of the utility model.

[0018] In the figure: 1. Flange seat; 2. Inner jacket; 3. Outer jacket; 4. Fixed cover; 5. Diversion cover; 6. Diversion groove; 7. Connecting groove; 8. One-way valve; 9. Inner water inlet pipe; 10. Outer water inlet pipe; 11. Drain pipe; 12. Mounting hole. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] The utility model provides Figure 1-3 The inner and outer jacketed head with good sealing effect shown in the figure includes a flange seat 1, an inner jacket 2 is fixedly provided in the middle of the upper surface of the flange seat 1, and an outer jacket 3 is fixedly provided on the upper surface of the inner jacket 2. Both the inner jacket 2 and the outer jacket 3 are configured as a "convex" structure;

[0021] Specifically, a fixed cover 4 is fixedly provided in the middle of the upper surface of the inner jacket 2, and a plurality of flow guide covers 5 are arranged around the outer wall of the fixed cover 4. The cross section of the flow guide cover 5 is arranged in a "∩" shape. A plurality of flow guide grooves 6 are provided through the outer wall of the fixed cover 4, and the plurality of flow guide grooves 6 correspond to the plurality of flow guide covers 5. A plurality of connecting grooves 7 are provided through the top end of the inner wall of the inner jacket 2, and the top end of the connecting groove 7 extends to the interior of the flow guide cover 5. The refrigerant or heat medium in the inner jacket 2 is transported to the fixed cover 4 through the guide grooves 6, the flow guide cover 5 and the connecting grooves 7.

[0022] More specifically, a plurality of one-way valves 8 are provided through the upper surface of the fixed cover 4, and one end of the one-way valve 8 extends into the interior of the outer jacket 3. The one-way valve 8 can realize one-way communication between the fixed cover 4 and the outer jacket 3 to facilitate the discharge of the refrigerant or heat medium;

[0023] In addition, an inner water inlet pipe 9 is provided through the middle of the upper surface of the air deflector 5, and the top end of the inner water inlet pipe 9 extends to the outside of the outer jacket 3. An outer water inlet pipe 10 and a drain pipe 11 are respectively provided through the two ends of the upper surface of the outer jacket 3. The bottom ends of the outer water inlet pipe 10 and the drain pipe 11 extend to the interior of the outer jacket 3. The heat medium or refrigerant is transported to the inner jacket 2 and the outer jacket 3 through the inner water inlet pipe 9 and the outer water inlet pipe 10, and the drain pipe 11 can realize the discharge of the refrigerant or heat medium.

[0024] Moreover, a plurality of mounting holes 12 are provided through the upper surface of the flange seat 1 , and the plurality of mounting holes 12 are arranged in a surrounding manner. The arrangement of the mounting holes 12 facilitates the installation and fixation of the device.

[0025] Working principle of this utility model:

[0026] When the present device is in use, when it is used for the case where the temperature difference between the inside and outside is small, the device can only use the outer jacket 3 to achieve the insulation effect. At this time, the heat medium or refrigerant is transported to the outer jacket 3 through the outer water inlet pipe 10 and the drain pipe 11. At this time, the refrigerant or heat medium exchanges heat with the product through the outer jacket 3 to achieve the insulation effect. When it is used for the case where the temperature difference between the inside and outside is large, the device can use the inner jacket 2 and the outer jacket 3 at the same time to achieve the insulation effect. At this time, the heat medium or refrigerant is transported to the inner jacket 2 and the outer jacket 3 through the inner water inlet pipe 9 and the outer water inlet pipe 10, and the refrigerant or heat medium in the inner jacket 2 is transported to the fixed cover 4 through the guide groove 6, the guide cover 5 and the connecting groove 7, and then enters the outer jacket 3 through the one-way valve 8, and is discharged from the device through the drain pipe 11 outside the outer jacket 3. At this time, the input and output of the refrigerant or heat medium can be realized to achieve the insulation effect of the product.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An inner and outer jacketed head with good sealing effect, comprising a flange seat (1), characterized in that: An inner jacket (2) is fixedly provided on the middle of the upper surface of the flange seat (1), an outer jacket (3) is fixedly provided on the upper surface of the inner jacket (2), and both the inner jacket (2) and the outer jacket (3) are configured as "convex" structures. A fixed cover (4) is fixedly provided on the middle of the upper surface of the inner jacket (2), and a plurality of flow guide covers (5) are provided around the outer side wall of the fixed cover (4), and the cross section of the flow guide cover (5) is configured as "∩" shape. The structure comprises a plurality of guide grooves (6) extending through the outer wall of the fixed cover (4), and the plurality of guide grooves (6) correspond to the plurality of guide covers (5); a plurality of connecting grooves (7) extending through the top end of the inner wall of the inner jacket (2), and the top end of the connecting grooves (7) extending to the interior of the guide cover (5); a plurality of one-way valves (8) extending through the upper surface of the guide cover (5), and one end of the one-way valve (8) extending to the interior of the outer jacket (3).

2. The inner and outer jacketed head with good sealing effect according to claim 1, characterized in that: An inner water inlet pipe (9) is provided through the middle of the upper surface of the fixed cover (4), and the top end of the inner water inlet pipe (9) extends to the outside of the outer jacket (3).

3. The inner and outer jacketed head with good sealing effect according to claim 2, characterized in that: An outer water inlet pipe (10) and a drain pipe (11) are respectively provided through the two ends of the upper surface of the outer jacket (3).

4. The inner and outer jacketed head with good sealing effect according to claim 3, characterized in that: The bottom ends of the outer water inlet pipe (10) and the drain pipe (11) both extend to the interior of the outer jacket (3).

5. The inner and outer jacketed head with good sealing effect according to claim 4, characterized in that: A plurality of mounting holes (12) are provided through the upper surface of the flange seat (1), and the plurality of mounting holes (12) are arranged in a circumferential manner.

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