Film evaporator heating structure
By designing the return water pipe, the second drainage pipe and branch pipe in the film evaporator, combined with the water pump system, the problem of water accumulation during the heating process of the film evaporator is solved, the discharge and reuse of the accumulated water is realized, and the heating efficiency is improved.
Patent Information
- Application Number
- CN202422207207.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-10
AI Technical Summary
Existing thin film evaporators are prone to accumulation of water during heating, which affects heating efficiency, and is difficult to discharge water, which may lead to waste.
A thin film evaporator heating structure is designed, including a thin film evaporator body, a steam generator and a water tank. By setting up a return water pipe, a second drain pipe and a branch pipe, the water accumulation in the jacket is discharged and reused, and cool water is injected into the jacket through a water pump to cool down.
It effectively solves the problem of water accumulation during the heating process of the film evaporator, realizes the reuse of the water accumulation, avoids waste, and improves the heating efficiency.
Smart Images

Figure CN222998285U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of Harima evaporators, and specifically relates to a heating structure for a thin-film evaporator. Background Technique
[0002] A thin-film evaporator is a type of evaporator, characterized in that the material liquid flows in a film shape along the heating tube wall for heat transfer and evaporation. Its advantages are high heat transfer efficiency, fast evaporation speed, and short residence time of the material, so it is particularly suitable for the evaporation of heat-sensitive substances.
[0003] Existing thin-film evaporators are generally heated through a jacket, that is, by introducing steam into the jacket, the thin-film evaporator can be heated. However, when steam is introduced into the jacket, water will be stored in the jacket afterwards, which will not only affect the heating of the thin-film evaporator, but also the water in the jacket is not easy to drain, and when draining, it may cause waste. For this reason, we propose a heating structure for a thin-film evaporator to solve the above possible problems. Content of the Utility Model
[0004] The purpose of the utility model is to provide a heating structure for a thin-film evaporator in view of the deficiencies of the prior art, so as to solve the problems raised in the background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A heating structure for a thin-film evaporator, including a thin-film evaporator body, a steam generator and a water tank. The outer circle of the lower part of the thin-film evaporator body is fixedly installed with a jacket. The upper parts on both sides of the jacket are provided with connecting pipes. The other end of the connecting pipe on the right is fixedly connected to the steam port of the steam generator. The other end of the connecting pipe on the left penetrates and extends into the interior of the water tank, and a water pump is arranged inside the water tank, and the output end of the water pump is connected to the end of the connecting pipe located inside the water tank. The lower parts of the front and back of the jacket are both provided with second drain pipes, and the other ends of the two second drain pipes are fixedly connected with a return pipe, and the other end of the return pipe penetrates and extends into the interior of the water tank.
[0006] As a preferred technical solution of the utility model, a water adding pipe is installed on one side of the top surfaces of both the steam generator and the water tank, and a sealing cover is arranged on the water adding pipe.
[0007] As a preferred technical solution of the utility model, a first drain pipe is installed on the lower part of the front of both the steam generator and the water tank, and a valve is installed on the first drain pipe.
[0008] As a preferred technical solution of the utility model, a valve is installed on the side of the return pipe close to the water tank, and a branch pipe is installed on the front side of the return pipe between the installed valve and the second drain pipe, and a valve is installed on the branch pipe.
[0009] As a preferred technical solution of the present utility model, the connecting pipe is L-shaped, and a valve is installed on the connecting pipe located on the left side.
[0010] As a preferred technical solution of the present utility model, a support plate is fixedly installed on the outer ring of the jacket, and support rods are fixedly installed at the four corners of the bottom surface of the support plate.
[0011] Compared with the prior art, the present utility model provides a heating structure for a thin-film evaporator, which has the following beneficial effects:
[0012] 1. For this heating structure of the thin-film evaporator, by setting a return pipe, a second drain pipe, a branch pipe, etc., the valve on the return pipe can be opened, and the accumulated water in the jacket can be discharged into the water tank through the second drain pipe, realizing the reuse of the accumulated water in the jacket. Or the valve on the branch pipe can be opened. At this time, the accumulated water in the jacket can be discharged into the branch pipe through the second drain pipe, and the accumulated water in the jacket can be used for other purposes through the branch pipe;
[0013] 2. For this heating structure of the thin-film evaporator, by setting a water tank, a water pump, a connecting pipe, etc., when it is necessary to cool the thin-film evaporator body, the water pump in the water tank can be opened at this time, and cold water can be introduced into the jacket through the connecting pipe on the left side, thereby achieving the purpose of cooling the jacket. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0015] Figure 2 It is a schematic cross-sectional view of the jacket of the present utility model;
[0016] Figure 3 It is a schematic cross-sectional view of the water tank of the present utility model.
[0017] Reference numerals: 1, support plate; 2, jacket; 3, thin-film evaporator body; 4, water supply pipe; 5, steam generator; 6, first drain pipe; 7, support rod; 8, second drain pipe; 9, branch pipe; 10, water tank; 11, return pipe; 12, connecting pipe; 13, water pump. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0019] Please refer toFigures 1 - 3 , in this embodiment: A heating structure for a thin-film evaporator includes a thin-film evaporator body 3, a steam generator 5, and a water tank 10. A jacket 2 is fixedly installed on the outer periphery of the lower part of the thin-film evaporator body 3. There is a space between the jacket 2 and the thin-film evaporator body 3. The upper parts on both sides of the jacket 2 are equipped with connecting pipes 12. The other end of the right connecting pipe 12 is fixedly connected to the steam port of the steam generator 5. The steam generator 5 can pass steam into the space between the jacket 2 and the thin-film evaporator body 3 through the connecting pipe 12. The other end of the left connecting pipe 12 penetrates and extends into the interior of the water tank 10. And a water pump 13 is arranged inside the water tank 10, and the output end of the water pump 13 is connected to one end of the connecting pipe 12 located inside the water tank 10. By turning on the water pump 13, the water in the water tank 10 can be injected into the jacket 2. The lower part of the front and the lower part of the back of the jacket 2 are both equipped with second drain pipes 8, which can drain the accumulated water in the jacket 2. And the other ends of the two second drain pipes 8 are fixedly connected to a return pipe 11, and the other end of the return pipe 11 penetrates and extends into the interior of the water tank 10. The accumulated water in the jacket 2 can flow into the water tank 10 through the second drain pipes 8 and the return pipe 11.
[0020] In this embodiment, water inlet pipes 4 are installed on one side of the top surfaces of the steam generator 5 and the water tank 10, through which water can be added to the steam generator 5 and the water tank 10. And sealing caps are arranged on the water inlet pipes 4. The lower parts of the fronts of the steam generator 5 and the water tank 10 are both equipped with first drain pipes 6, and valves are installed on the first drain pipes 6. By opening the valves on the first drain pipes 6, the water in the steam generator 5 and the water tank 10 can be drained. A valve is installed on the side of the return pipe 11 close to the water tank 10. And a branch pipe 9 is installed on the front side of the return pipe 11 between the installed valve and the second drain pipe 8, and a valve is installed on the branch pipe 9. By opening the valve on the branch pipe 9, the accumulated water in the jacket 2 can be used for other purposes through the branch pipe 9. The connecting pipe 12 is in an L shape, and a valve is installed on the left connecting pipe 12. The outer circle of the jacket 2 is fixedly installed with a support plate 1, and support rods 7 are fixedly installed at the four corners of the bottom surface of the support plate 1, which can play a role in supporting the thin-film evaporator body 3.
[0021] Working principle and usage process of the present utility model: For this heating structure of a thin-film evaporator, first, the steam generator 5 can be started. At this time, the steam generator 5 can introduce steam into the jacket 2 through the connecting pipe 12 on the right side, so as to realize the heating of the thin-film evaporator body 3. At this time, there may be accumulated water in the jacket 2. When the accumulated water is too much and needs to be drained, the valve on the return water pipe 11 can be opened at this time, and the accumulated water in the jacket 2 can be drained into the water tank 10 through the second drain pipe 8, realizing the reuse of the accumulated water in the jacket 2. Or the valve on the branch pipe 9 can be opened. At this time, the accumulated water in the jacket 2 can be drained into the branch pipe 9 through the second drain pipe 8, and the accumulated water in the jacket 2 can be used for other purposes through the branch pipe 9. When it is necessary to cool the jacket 2, that is, when it is necessary to cool the thin-film evaporator body 3, the water pump 13 in the water tank 10 can be opened at this time, and cold water can be introduced into the jacket 2 through the connecting pipe 12 on the left side, so as to realize the purpose of cooling the jacket 2.
[0022] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A thin film evaporator heating structure, comprising a thin film evaporator body (3), a steam generator (5) and a water tank (10), characterized in that: A jacket (2) is fixedly mounted on the lower outer ring of the thin film evaporator body (3), and connecting pipes (12) are mounted on the upper parts of both sides of the jacket (2), the other end of the right connecting pipe (12) is fixedly connected to the steam port of the steam generator (5), and the other end of the left connecting pipe (12) passes through and extends to the inside of the water tank (10), and a water pump (13) is arranged inside the water tank (10), and the output end of the water pump (13) is connected to one end of the connecting pipe (12) located inside the water tank (10), and second drainage pipes (8) are mounted on the lower front and lower back of the jacket (2), and the other ends of the two second drainage pipes (8) are fixedly connected to the return pipe (11), and the other end of the return pipe (11) passes through and extends to the inside of the water tank (10).
2. A thin film evaporator heating structure according to claim 1, characterized in that: A water supply pipe (4) is installed on one side of the top surface of the steam generator (5) and the water tank (10), and a sealing cover is provided on the water supply pipe (4).
3. A thin film evaporator heating structure according to claim 1, characterized in that: The steam generator (5) and the water tank (10) are both provided with a first drainage pipe (6) at the lower part of the front side, and a valve is provided on the first drainage pipe (6).
4. A thin film evaporator heating structure according to claim 1, characterized in that: A valve is installed on the side of the return pipe (11) close to the water tank (10), and a branch pipe (9) is installed on the side of the return pipe (11) located in front of the valve and the second drain pipe (8), and a valve is installed on the branch pipe (9).
5. A thin film evaporator heating structure according to claim 1, characterized in that: The connecting pipe (12) is L-shaped, and a valve is installed on the connecting pipe (12) located on the left side.
6. A thin film evaporator heating structure according to claim 1, characterized in that: A support plate (1) is fixedly mounted on the outer ring of the jacket (2), and support rods (7) are fixedly mounted on the four corners of the bottom surface of the support plate (1).