CN216954141U - Even efficient crystallization heat exchanger - Google Patents

Abstract

The utility model belongs to the technical field of heat exchangers, and particularly discloses a uniform and efficient crystallization heat exchanger which comprises a heat exchange shell, a first circulating pipeline, a second circulating pipeline and a circulating pump, wherein the heat exchange shell is provided with a first heat exchange pipe and a second heat exchange pipe; the heat exchange shell surface top one side intercommunication has feed pipe, the circular slot has been seted up at the inside top center of heat exchange shell, the circular slot inner wall is provided with first heat transfer board, first heat transfer board is the loop configuration, and first heat transfer board inner wall is provided with first circulating line, first circulating line is heliciform structure, and first circulating line top and bottom intercommunication respectively have first outlet pipe and first inlet tube, the inside circular slot below that is located of heat exchange shell is provided with the second heat transfer board, the second heat transfer board is the toper structure that the diameter diminishes from top to bottom in proper order, the winding of second heat transfer board surface has the second circulating line.

Description

Even efficient crystallization heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a uniform and efficient crystallization heat exchanger.

Background

The most common method for producing salt products is as follows: evaporating and concentrating the target salt solution to obtain a supersaturated solution at a high temperature, and then cooling the supersaturated solution to obtain a supersaturated solution at a low temperature and separate out crystals. In the process, hardening is easily formed in the tube nest of a common heat exchanger, so that the heat exchange efficiency is reduced, frequent cleaning treatment is needed, and the utilization rate and the capacity of equipment are seriously restricted. The existing method for treating material hardening in the cooling process comprises the following steps: (1) and under the condition that the heat exchange efficiency is seriously reduced, evacuating the cooling water, and heating and blowing the tube nest by using steam to redissolve plate materials in the tube nest. The method can cause the temperature rise of a crystallization system during treatment, and the crystallization is reversely dissolved, thereby influencing the yield and the quality; (2) the method can lead a large amount of pure water to enter a system, so that the saturation of the system is reduced, the productivity is influenced, the energy consumption of steam and water is increased, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a uniform and efficient crystallization heat exchanger to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a uniform and efficient crystallization heat exchanger comprises a heat exchange shell, a first circulating pipeline, a second circulating pipeline and a circulating pump; the heat exchange shell surface top one side intercommunication has feed pipe, the circular slot has been seted up at the inside top center of heat exchange shell, the circular slot inner wall is provided with first heat transfer board, first heat transfer board is the loop configuration, and first heat transfer board inner wall is provided with first circulating line, first circulating line is heliciform structure, and first circulating line top and bottom intercommunication respectively have first outlet pipe and first inlet tube, the inside circular slot below that is located of heat exchange shell is provided with the second heat transfer board, the second heat transfer board is the toper structure that the diameter diminishes from top to bottom in proper order, the winding of second heat transfer board surface has the second circulating line.

Preferably, the top end and the bottom end of the second circulating pipeline are respectively communicated with a second water outlet pipe and a second water inlet pipe, and the second water outlet pipe is communicated with the first water inlet pipe through a flange.

Preferably, a circulating pump is arranged on the side face of the heat exchange shell, the second water inlet pipe is communicated with a water outlet port of the circulating pump through a pipeline, and the first water inlet pipe is communicated with a water inlet end of the circulating pump through a pipeline.

Preferably, a filter screen is fixedly installed at the center of the bottom end of the second heat exchange plate, a liquid drainage pipeline is arranged at the position, corresponding to the filter screen, inside the heat exchange shell, and the filter screen is communicated with the liquid drainage pipeline.

Preferably, a first temperature sensor and a second temperature sensor are respectively mounted and fixed on the surfaces of the first circulation pipeline and the second circulation pipeline.

Preferably, the inside controller that is provided with of heat transfer casing, the display screen is openly installed to the heat transfer casing, first temperature sensor and second temperature sensor pass through signal amplifier and controller input electric connection respectively, controller output and display screen electric connection.

Preferably, the bottom end of the second circulating pipeline is communicated with a water supply and drainage pipeline.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, by arranging the first heat exchange plate and the second heat exchange plate, the phenomenon of hardening caused by direct contact between the feed liquid and the first circulation pipeline and the second circulation pipeline can be avoided, the step of manual regular cleaning is omitted, the crystallization efficiency is improved, and the productivity is ensured.

Drawings

FIG. 1 is a front view of the present invention in its entirety;

fig. 2 is a schematic front view of the whole structure of the present invention.

In the figure: 1. a heat exchange housing; 2. a feed conduit; 3. a first heat exchange plate; 4. a first circulation pipe; 5. a first water inlet pipe; 6. a first water outlet pipe; 7. a second heat exchange plate; 8. filtering with a screen; 9. a second circulation pipe; 10. a second water inlet pipe; 11. a second water outlet pipe; 12. a water supply and drainage pipeline; 13. a circulation pump; 14. a liquid discharge conduit; 15. a first temperature sensor; 16. a second temperature sensor; 17. a controller; 18. a display screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a uniform and efficient crystallization heat exchanger comprises a heat exchange shell 1, a first circulating pipeline 4, a second circulating pipeline 9 and a circulating pump 13; 1 surperficial top one side intercommunication of heat transfer casing has charge-in pipeline 2, the circular slot has been seted up at 1 inside top center of heat transfer casing, the circular slot inner wall is provided with first heat transfer board 3, first heat transfer board 3 is the loop configuration, and 3 inner walls of first heat transfer board are provided with first circulating line 4, first circulating line 4 is the heliciform structure, and first circulating line 4 top and bottom communicate respectively has first outlet pipe 6 and first inlet tube 5, 1 inside circular slot below that is located of heat transfer casing is provided with second heat transfer board 7, second heat transfer board 7 is the toper structure that the diameter diminishes from top to bottom in proper order, the winding of 7 surfaces of second heat transfer board has second circulating line 9.

Furthermore, the top end and the bottom end of the second circulating pipeline 9 are respectively communicated with a second water outlet pipe 11 and a second water inlet pipe 10, and the second water outlet pipe 11 is communicated with the first water inlet pipe 5 through flanges.

Further, 1 side of heat exchange housing is provided with circulating pump 13, second inlet tube 10 passes through the pipeline and communicates with 13 water outlet of circulating pump, first inlet tube 5 passes through the pipeline and communicates with 13 water inlet of circulating pump.

Further, 7 bottom center installations of second heat transfer board are fixed with filter screen 8, heat transfer casing 1 is inside to be provided with drainage pipe 14 corresponding to filter screen 8 position department, filter screen 8 and drainage pipe 14 intercommunication setting.

Further, a first temperature sensor 15 and a second temperature sensor 16 are respectively mounted and fixed on the surfaces of the first circulation duct 4 and the second circulation duct 9.

Further, a controller 17 is arranged inside the heat exchange shell 1, a display screen 18 is installed on the front face of the heat exchange shell 1, the first temperature sensor 15 and the second temperature sensor 16 are respectively electrically connected with an input end of the controller 17 through a signal amplifier, and an output end of the controller 17 is electrically connected with the display screen 18.

Furthermore, the bottom end of the second circulation pipeline 9 is communicated with a water supply and drainage pipeline 12.

The working principle is as follows: the utility model provides a uniform and efficient crystallization heat exchanger, which comprises a heat exchange shell 1, a first circulating pipeline 4, a second circulating pipeline 9 and a circulating pump 13; when the cooling device is used, on one hand, cooling water is introduced into the second circulating pipeline 9 through a water supply and drainage pipeline 12 arranged at the bottom end of the second circulating pipeline 9, a circulating pump 13 is started, under the action of the circulating pump 13, the cooling water rises from the bottom end of the second circulating pipeline 9 and enters the first circulating pipeline 4 through the matching of a second water outlet pipe 11 and a first water inlet pipe 5, after being discharged from a first water outlet pipe 6 arranged at the top end of the first circulating pipeline 4, the cooling water is introduced into the second circulating pipeline 9 again through the circulating pump 13 to realize the circulation of the cooling water, on the other hand, feed liquid enters the inside of the heat exchange shell 1 through the feed pipeline 2 and is firstly contacted with the first heat exchange plate 3, the first heat exchange plate 3 cools the feed liquid for the first time under the action of the first circulating pipeline 4, then the feed liquid falls onto the surface of the second heat exchange plate 7, the second heat exchange plate 7 cools the feed liquid for the second time under the action of the second circulating pipeline 9, the feed liquid is subjected to double cooling treatment through the first circulating pipeline 4 and the second circulating pipeline 9, so that a large amount of crystals can be separated out from the feed liquid, and the feed liquid is filtered under the action of the filter screen 8, so that a product is obtained;

the display screen 18 is arranged on the front face of the heat exchange shell 1, the display screen 18 can display the temperature detected by the first temperature sensor 15 and the second temperature sensor 16, when the effect of crystallization precipitation is influenced by overhigh temperature, the cooling water in the first circulating pipeline 4 and the cooling water in the second circulating pipeline 9 can be discharged through the water supply and drainage pipeline 12, and new cooling water is introduced for use.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the prior art, and the electrical connection relation and the specific circuit structure of the device are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A uniform and efficient crystallization heat exchanger, characterized in that: comprises a heat exchange shell (1), a first circulating pipeline (4), a second circulating pipeline (9) and a circulating pump (13); heat transfer casing (1) surface top one side intercommunication has charge-in pipeline (2), the circular slot has been seted up at the inside top center of heat transfer casing (1), the circular slot inner wall is provided with first heat transfer board (3), first heat transfer board (3) are loop configuration, and first heat transfer board (3) inner wall is provided with first circulating line (4), first circulating line (4) are the heliciform structure, and first circulating line (4) top and bottom communicate respectively has first outlet pipe (6) and first inlet tube (5), heat transfer casing (1) inside is located the circular slot below and is provided with second heat transfer board (7), second heat transfer board (7) are the toper structure that the diameter diminishes from top to bottom in proper order, second heat transfer board (7) surface winding has second circulating line (9).

2. A uniform, high efficiency crystallization heat exchanger as set forth in claim 1 wherein: the top end and the bottom end of the second circulating pipeline (9) are respectively communicated with a second water outlet pipe (11) and a second water inlet pipe (10), and the second water outlet pipe (11) and the first water inlet pipe (5) are mutually communicated through flanges.

3. A uniform high efficiency crystallization heat exchanger as set forth in claim 2 wherein: the heat exchange shell (1) is provided with a circulating pump (13) on the side, the second water inlet pipe (10) is communicated with a water outlet of the circulating pump (13) through a pipeline, and the first water inlet pipe (5) is communicated with a water inlet of the circulating pump (13) through a pipeline.

4. A uniform, high efficiency crystallization heat exchanger as set forth in claim 1 wherein: the filter screen (8) is fixedly installed at the center of the bottom end of the second heat exchange plate (7), a liquid drainage pipeline (14) is arranged in the heat exchange shell (1) corresponding to the position of the filter screen (8), and the filter screen (8) is communicated with the liquid drainage pipeline (14).

5. A uniform, high efficiency crystallization heat exchanger as set forth in claim 1 wherein: and a first temperature sensor (15) and a second temperature sensor (16) are respectively installed and fixed on the surfaces of the first circulating pipeline (4) and the second circulating pipeline (9).

6. A uniform, high efficiency crystallization heat exchanger as set forth in claim 5 wherein: the heat exchange shell is characterized in that a controller (17) is arranged inside the heat exchange shell (1), a display screen (18) is installed on the front face of the heat exchange shell (1), the first temperature sensor (15) and the second temperature sensor (16) are respectively electrically connected with the input end of the controller (17) through a signal amplifier, and the output end of the controller (17) is electrically connected with the display screen (18).

7. A uniform, high efficiency crystallization heat exchanger as set forth in claim 1 wherein: the bottom end of the second circulating pipeline (9) is communicated with a water supply and drainage pipeline (12).

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