Hydrofluoric acid condensing device

Abstract

The utility model relates to a hydrofluoric acid condensing device. Cooling liquid can be guided in through the liquid inlet and discharged through the liquid outlet to complete circulation, then gasified hydrofluoric acid is guided into the end cover through the feeding port in one end cover, then the hydrofluoric acid enters the condensation tube nest through one guide hole to be condensed, and then the hydrofluoric acid obtained after condensation is completed is discharged through the other guide hole and discharged through the discharging port. When the condensation tube nests need to be replaced, the end cover can be detached, the end cover drives the pressing mechanism to be separated from the sealing guide cover, all the condensation tube nests are in a movable state, then the damaged condensation tube nests are taken down and replaced, then the end cover is covered, the end cover drives the pressing mechanism to be pressed on the sealing guide cover, and all the condensation tube nests are fixed. Therefore, the condensation tube nest can be conveniently replaced after the condensation tube nest is damaged, destructive replacement of the interior of the condensation tank is avoided, it is guaranteed that the service life of the condensation device is shortened, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of condensation, in particular to a hydrofluoric acid condensation device. Background Art

[0002] Hydrofluoric acid is a clear, colorless, fuming, corrosive liquid with a strong, pungent odor. It is a weak acid with extremely strong corrosive properties, and can severely corrode metals, glass, and silicon-containing objects.

[0003] The condenser of the hydrofluoric acid production unit uses a shell-and-tube heat exchanger. The cooling medium is divided into water cooling and brine cooling. The hydrofluoric acid gas flows through the inside of the condenser tubes, and the cooling medium flows outside the tubes with a bottom-in and top-out design. The low temperature of the cooling medium is used to cool the hydrofluoric acid gas into liquid.

[0004] Both hydrofluoric acid gas and liquid are highly corrosive. During the use of the hydrofluoric acid condensing device, the condensing tubes are easily corroded and damaged due to the acid gas scouring and condensing acid corrosion caused by contact with high concentrations of hydrofluoric acid. Traditional condensing tubes are welded inside the condensing tank, which means that the condensing tubes need to be destructively replaced after being damaged, which shortens the service life of the entire condensing device and increases maintenance costs. Utility Model Content

[0005] (1) Technical issues to be solved

[0006] In order to solve the above problems of the prior art, the utility model provides a hydrofluoric acid condensing device, which can conveniently replace the condensing tubes after they are damaged, avoiding destructive replacement of the interior of the condensing tank, ensuring that the service life of the condensing device is shortened, and reducing maintenance costs.

[0007] (2) Technical solution

[0008] In order to achieve the above-mentioned purpose, the main technical solutions adopted by this utility model include:

[0009] A hydrofluoric acid condensing device comprises a condensing tank, an end cover, a sealing guide cover, a pressing mechanism and a condensing tube, wherein the outer sides of both ends of the condensing tank are relatively installed with an end cover, the inner sides of both ends of the condensing tank are relatively provided with a support platform, the support platform is provided with the sealing guide cover, a plurality of the pressing mechanisms are provided inside the end cover, the end cover is connected to the sealing guide cover through the pressing mechanism, a plurality of the condensing tubes are provided inside the condensing tank, a plurality of guide holes are provided on the sealing guide cover, one end of a condensing tube is connected to one guide hole, the other end of the condensing tube is connected to another guide hole, and one end of the condensing tank is connected to the other end of the condensing tank through the condensing tube and the guide hole;

[0010] One end cover is provided with a feed port, and the other end cover is provided with a discharge port;

[0011] The upper portion of the condensation tank is provided with a liquid outlet, and the lower portion of the condensation tank is provided with a liquid inlet.

[0012] Furthermore, a cooling chamber is provided between the two sealing covers, and the condensation tubes are all provided inside the cooling chamber.

[0013] Furthermore, the pressing mechanism includes a fixed platform and an elastic pressing component, the fixed platform is fixedly connected to the end cover, one end of the elastic pressing component is fixedly connected to the fixed platform, and the other end of the elastic pressing component is pressed against the outer surface of the sealing cover.

[0014] Furthermore, the elastic pressing assembly includes a fixed cylinder, an elastic member and a pressing member, one end of the fixed cylinder is fixedly connected to the fixed platform, the other end of the fixed cylinder is provided with a sliding hole, the elastic member is provided inside the sliding hole, one end of the pressing member can be slidably connected to the inside of the sliding hole, one end of the pressing member is supported on the elastic member, and the other end of the pressing member is supported on the outer surface of the sealing cover.

[0015] Furthermore, it also includes a retaining frame, which is installed inside the condensation tank. The retaining frame is provided with a mounting hole, and one of the condensation tubes is passed through the inside of the mounting hole.

[0016] Furthermore, the end covers are detachably connected to the condensation tank via flanges.

[0017] Furthermore, it also includes a sealing cylinder, and a plurality of sealing cylinders are provided on one side of the sealing guide cover close to the condensing tubes. One sealing cylinder is connected to one guide hole, and a sealing platform is provided inside the sealing cylinder. A first sealing ring is provided on the sealing platform, and the condensing tubes are supported on the sealing platform through the first sealing ring.

[0018] Furthermore, a sealing groove is provided on the support platform, and the sealing guide cover is connected to the sealing groove via a second sealing ring.

[0019] Furthermore, it also includes a support frame, and the outer surface of the condensation tank is fixedly connected to the support frame.

[0020] (3) Beneficial effects

[0021] The beneficial effect of the present invention is that when it is necessary to condense the vaporized hydrofluoric acid during the actual hydrofluoric acid processing process, the coolant can be introduced through the liquid inlet and discharged through the liquid outlet to complete the cycle, and then the vaporized hydrofluoric acid is introduced into the interior of the end cover through the feed port on one end cover, and then the hydrofluoric acid enters the condensation tube through a guide hole for condensation, and then the condensed hydrofluoric acid is discharged through another guide hole and discharged through the discharge port. When it is necessary to replace the condensation tube, the end cover can be removed, so that the end cover drives the holding mechanism to separate from the sealing guide cover, so that each condensation tube is in an active state, and then the damaged condensation tube is removed and replaced, and then the end cover is covered, and the end cover drives the holding mechanism to press on the sealing guide cover, so that each condensation tube is fixed, thereby making it possible to conveniently replace the condensation tube after it is damaged, avoiding destructive replacement of the interior of the condensation tank, ensuring that the service life of the condensation device is shortened, and reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a hydrofluoric acid condensing device according to an embodiment of the present utility model;

[0023] Figure 2 A side view of the overall structure of a hydrofluoric acid condensing device according to an embodiment of the present utility model;

[0024] Figure 3 This is a cross-sectional view of the overall structure of a hydrofluoric acid condensing device according to an embodiment of the present utility model;

[0025] Figure 4 It is a partially enlarged schematic diagram of a hydrofluoric acid condensing device according to an embodiment of the present utility model;

[0026] [Description of Reference Numerals]

[0027] Feed pipe 1, end cover 2, flange 3, liquid outlet pipe 4, discharge pipe 5, condensation tank 6, support frame 7, liquid inlet pipe 8, holding mechanism 9, sealing guide cover 10, support platform 11, sealing cylinder 12, retaining frame 13, condensation tube array 14, guide hole 15, fixing platform 901, fixing cylinder 902, elastic member 903, holding member 904. DETAILED DESCRIPTION

[0028] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0029] Please refer to Figures 1 to 4As shown, a hydrofluoric acid condensing device of the present invention includes a condensing tank 6, an end cover 2, a sealing guide cover 10, a pressing mechanism 9 and a condensing tube 14, wherein the outer sides of the two ends of the condensing tank 6 are relatively installed with an end cover 2, and the inner sides of the two ends of the condensing tank 6 are relatively provided with a support platform 11, and the support platform 11 is provided with the sealing guide cover 10, and the interior of the end cover 2 is provided with a plurality of the pressing mechanisms 9, and the end cover 2 is connected to the sealing guide cover 10 through the pressing mechanism 9, and the interior of the condensing tank 6 is provided with a plurality of the condensing tubes 14, and the sealing guide cover 10 is provided with a plurality of guide holes 15, one end of the condensing tube 14 is connected to one of the guide holes 15, and the other end of the condensing tube 14 is connected to the other guide hole 15, and one end of the condensing tank 6 is connected to the other end of the condensing tank 6 through the condensing tube 14 and the guide hole 15;

[0030] One end cover 2 is provided with a feed port, and the other end cover 2 is provided with a discharge port;

[0031] The upper portion of the condensation tank 6 is provided with a liquid outlet, and the lower portion of the condensation tank 6 is provided with a liquid inlet.

[0032] The working principle of the present invention is as follows: during the actual hydrofluoric acid processing process, when the vaporized hydrofluoric acid needs to be condensed, the coolant can be introduced through the liquid inlet and discharged through the liquid outlet to complete the cycle, and then the vaporized hydrofluoric acid is introduced into the interior of the end cover 2 through the feed port on one end cover 2, and then the hydrofluoric acid enters the condensation array tube 14 through a guide hole 15 for condensation, and then the condensed hydrofluoric acid is discharged through another guide hole 15 and discharged through the discharge port. When the condensation array tube 14 needs to be replaced, the end cover 2 can be removed, so that the end cover 2 drives the holding mechanism 9 to separate from the sealing guide cover 10, so that each condensation array tube 14 is in an active state, and then the damaged condensation array tube 14 is removed and replaced, and then the end cover 2 is covered, and the end cover 2 drives the holding mechanism 9 to press on the sealing guide cover 10, so that each condensation array tube 14 is fixed.

[0033] Furthermore, a cooling chamber is provided between the two sealing and guiding covers 10 , and the condensation tubes 14 are all provided inside the cooling chamber.

[0034] From the above description, it can be seen that the coolant is conducive to entering the cooling chamber through the liquid inlet, cooling the condensation tubes 14 in the cooling chamber, and being discharged through the liquid outlet to complete the cycle.

[0035] Furthermore, the pressing mechanism 9 includes a fixed platform 901 and an elastic pressing component, the fixed platform 901 is fixedly connected to the end cover 2, one end of the elastic pressing component is fixedly connected to the fixed platform 901, and the other end of the elastic pressing component is pressed against the outer surface of the sealing cover 10.

[0036] From the above description, it can be seen that the end cover 2 is advantageous in pressing the sealing guide cover 10 onto the support platform 11 through the fixing platform 901 and the elastic pressing component.

[0037] Furthermore, the elastic pressing component includes a fixed cylinder 902, an elastic member 903 and a pressing member 904, one end of the fixed cylinder 902 is fixedly connected to the fixed platform 901, the other end of the fixed cylinder 902 is provided with a sliding hole, the elastic member 903 is provided inside the sliding hole, one end of the pressing member 904 can be slidably connected to the inside of the sliding hole, one end of the pressing member 904 is supported on the elastic member 903, and the other end of the pressing member 904 is supported on the outer surface of the sealing guide cover 10.

[0038] From the above description, it can be seen that the fixing tube 902 is conducive to driving the elastic member 903 and the holding member 904 to press on the sealing guide cover 10, and the elastic member 903 avoids excessive pressure causing deformation of the sealing guide cover 10, thereby preventing the sealing guide cover 10 from deforming and leaking.

[0039] Furthermore, a retaining frame 13 is included. The retaining frame 13 is installed inside the condensation tank 6. The retaining frame 13 is provided with a mounting hole. The condensation tube 14 is passed through the inside of the mounting hole.

[0040] From the above description, it can be seen that it is beneficial to support the condensation tubes 14 through the retaining frame 13 to prevent the condensation tubes 14 from moving.

[0041] Furthermore, the end covers 2 are detachably connected to the condensation tank 6 via the flange 3 .

[0042] As can be seen from the above description, it is advantageous for the end cover 2 to be detachably connected to the condensation tank 6 via the flange 3 .

[0043] Furthermore, it also includes a sealing cylinder 12. Several sealing cylinders 12 are provided on one side of the sealing guide cover 10 close to the condensing tubes 14. One sealing cylinder 12 is connected to one guide hole 15. A sealing platform is provided inside the sealing cylinder 12. A first sealing ring is provided on the sealing platform. The condensing tubes 14 are supported on the sealing platform through the first sealing ring.

[0044] From the above description, it can be seen that it is beneficial for the condensation tubes 14 to be installed inside the sealing cylinder 12 through the first sealing ring, and for the condensation tubes 14 to be installed on the sealing guide cover 10 through the sealing cylinder 12 .

[0045] Furthermore, a sealing groove is provided on the support platform 11 , and the sealing guide cover 10 is connected to the sealing groove via a second sealing ring.

[0046] It can be seen from the above description that this is beneficial to improving the sealing performance of the sealing guide cover 10 .

[0047] Furthermore, a support frame 7 is included, and the outer surface of the condensation tank 6 is fixedly connected to the support frame 7.

[0048] From the above description, it can be seen that it is beneficial to support the entire device through the support frame 7.

[0049] Example 1

[0050] Please refer to Figures 1 to 4 , a hydrofluoric acid condensing device, comprising a condensing tank 6, an end cover 2, a sealing guide cover 10, a pressing mechanism 9 and a condensing tube 14, wherein the outer sides of both ends of the condensing tank 6 are relatively installed with an end cover 2, and the inner sides of both ends of the condensing tank 6 are relatively provided with a support platform 11, and welding is adopted, and the support platform 11 is provided with the sealing guide cover 10, the interior of the end cover 2 is provided with a plurality of the pressing mechanisms 9, the end cover 2 is connected to the sealing guide cover 10 through the pressing mechanism 9, the interior of the condensing tank 6 is provided with a plurality of the condensing tubes 14, and the sealing guide cover 10 is provided with a plurality of guide holes 15, one end of the condensing tube 14 is connected to one of the guide holes 15, and the other end of the condensing tube 14 is connected to another guide hole 15, and one end of the condensing tank 6 is connected to the other end of the condensing tank 6 through the condensing tube 14 and the guide hole 15;

[0051] Both ends of the condensation tube 14 are connected to the guide hole 15 respectively;

[0052] One end cover 2 is provided with a feed port, and the other end cover 2 is provided with a discharge port;

[0053] The upper portion of the condensation tank 6 is provided with a liquid outlet, and the lower portion of the condensation tank 6 is provided with a liquid inlet;

[0054] A cooling chamber is provided between the two sealing guide covers 10, and the condensation tubes 14 are all provided inside the cooling chamber;

[0055] The two sealing guide covers 10 seal the two ends of the condensation tank 6, so that a cooling chamber is formed inside the condensation tank 6;

[0056] The pressing mechanism 9 includes a fixed platform 901 and an elastic pressing component. The fixed platform 901 is fixedly connected to the end cover 2 by welding. One end of the elastic pressing component is fixedly connected to the fixed platform 901, and the other end of the elastic pressing component abuts against the outer surface of the sealing guide cover 10.

[0057] The elastic pressing assembly includes a fixed cylinder 902, an elastic member 903, and a pressing member 904. One end of the fixed cylinder 902 is fixedly connected to the fixed platform 901 by welding. The other end of the fixed cylinder 902 is provided with a sliding hole. The elastic member 903 is disposed inside the sliding hole. One end of the pressing member 904 is slidably connected to the inside of the sliding hole. One end of the pressing member 904 abuts against the elastic member 903, and the other end of the pressing member 904 abuts against the outer surface of the sealing guide cover 10.

[0058] The elastic member 903 is a spring;

[0059] It also includes a retainer 13, the retainer 13 is installed inside the condensation tank 6 by bolts, the retainer 13 is provided with a plurality of mounting holes, and one of the condensation tubes 14 is passed through the inside of one of the mounting holes;

[0060] The end covers 2 are detachably connected to the condensation tank 6 via flanges 3;

[0061] The sealing cover 10 further includes a sealing cylinder 12. A plurality of sealing cylinders 12 are provided on one side of the sealing guide cover 10 close to the condensing tubes 14. The sealing cylinders 12 are connected to the guide holes 15 by welding. A sealing platform is provided inside the sealing cylinder 12. A first sealing ring is provided on the sealing platform. The condensing tubes 14 are supported on the sealing platform by the first sealing ring.

[0062] The sealing cylinder 12 is a through-hole structure;

[0063] The support platform 11 is provided with a sealing groove, and the sealing guide cover 10 is connected to the sealing groove via a second sealing ring;

[0064] It also includes a support frame 7, and the outer surface of the condensation tank 6 is fixedly connected to the support frame 7 by welding.

[0065] The above shows and describes the basic principles, main features and advantages of the present invention, and the standard parts used in the present invention can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0066] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A hydrofluoric acid condensation device, characterized in that: The condenser comprises a condenser tank, an end cover, a sealing guide cover, a pressing mechanism and a condenser tube, wherein the outer sides of the two ends of the condenser tank are relatively installed with an end cover, the inner sides of the two ends of the condenser tank are relatively provided with a support platform, the support platform is provided with the sealing guide cover, a plurality of pressing mechanisms are provided inside the end cover, the end cover is connected to the sealing guide cover through the pressing mechanism, a plurality of condenser tubes are provided inside the condenser tank, a plurality of guide holes are provided on the sealing guide cover, one end of a condenser tube is connected to one guide hole, the other end of the condenser tube is connected to another guide hole, and one end of the condenser tank is connected to the other end of the condenser tank through the condenser tube and the guide hole; One end cover is provided with a feed port, and the other end cover is provided with a discharge port; The upper portion of the condensation tank is provided with a liquid outlet, and the lower portion of the condensation tank is provided with a liquid inlet.

2. The hydrofluoric acid condensing device according to claim 1, wherein: A cooling chamber is provided between the two sealing guide covers, and the condensation tubes are all provided inside the cooling chamber.

3. The hydrofluoric acid condensing device according to claim 1, wherein: The pressing mechanism includes a fixing platform and an elastic pressing component. The fixing platform is fixedly connected to the end cover. One end of the elastic pressing component is fixedly connected to the fixing platform, and the other end of the elastic pressing component abuts against the outer surface of the sealing cover.

4. The hydrofluoric acid condensing device according to claim 3, wherein: The elastic pressing assembly includes a fixed cylinder, an elastic member and a pressing member, one end of the fixed cylinder is fixedly connected to the fixed platform, the other end of the fixed cylinder is provided with a sliding hole, the elastic member is provided inside the sliding hole, one end of the pressing member is slidably connected to the inside of the sliding hole, one end of the pressing member is pressed against the elastic member, and the other end of the pressing member is pressed against the outer surface of the sealing cover.

5. The hydrofluoric acid condensing device according to claim 1, wherein: It also includes a retaining frame, which is installed inside the condensation tank. The retaining frame is provided with a mounting hole, and one of the condensation tubes is passed through the inside of the mounting hole.

6. The hydrofluoric acid condensing device according to claim 1, wherein: The end covers are detachably connected to the condensation tank via flanges.

7. The hydrofluoric acid condensing device according to claim 1, wherein: It also includes a sealing cylinder, and a plurality of sealing cylinders are provided on one side of the sealing guide cover close to the condensing tubes. One sealing cylinder is connected to one guide hole. A sealing platform is provided inside the sealing cylinder, and a first sealing ring is provided on the sealing platform. The condensing tubes are supported on the sealing platform through the first sealing ring.

8. The hydrofluoric acid condensing device according to claim 1, wherein: A sealing groove is provided on the support platform, and the sealing guide cover is connected to the sealing groove via a second sealing ring.

9. The hydrofluoric acid condensing device according to claim 1, wherein: It also includes a support frame, and the outer surface of the condensation tank is fixedly connected to the support frame.

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