Outer circulation evaporator capable of automatically discharging liquid

Abstract

The utility model discloses an external circulation evaporator capable of discharging liquid automatically, which belongs to the technical field of evaporators and comprises a shell and a condensing barrel, a heating plate is fixedly mounted in the shell, an inner container is fixedly mounted in the heating plate, a screw cap is fixedly mounted at the top end of the shell, and a condensing box is fixedly mounted at the top end of the condensing barrel. Communicating pipes are fixedly mounted at the top ends of the condensing box and the spiral cover, a connecting pipe is fixedly mounted between the two communicating pipes, a condensing barrel is fixedly mounted on the outer side of the connecting pipe, a discharging round hole and an injection round hole are formed in the condensing barrel, and a discharging pipe is fixedly mounted in the discharging round hole. Through cooperation of a plurality of structures, evaporation and condensation operation of liquid can be efficiently carried out, temperature and liquid concentration can be monitored in real time, stability and safety of the operation process are ensured, an advanced control system and precise sensing equipment are arranged, full-automatic operation can be achieved, a forced circulation mode is adopted, and energy conservation and emission reduction are achieved. The heat transfer efficiency and the production capacity are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to evaporator technical field especially relates to a automatic liquid's outer circulation evaporator. BACKGROUND

[0002] In the chemical industry, pharmaceutical and food processing industries, evaporation is a common separation and concentration process, with the continuous development of automation technology, more and more equipment begins to realize automatic control, improve production efficiency and product quality, in the chemical industry, pharmaceutical and food processing industries, the degree of automation of equipment is higher and higher to meet the needs of efficient, stable production, outer circulation evaporator is a kind of efficient evaporation equipment, through the external circulation system liquid is sent back to the heating chamber heating evaporation, improve the heat transfer efficiency and production capacity, outer circulation evaporator is suitable for high viscosity and easy crystallization material, has extensive application prospect, the existing outer circulation evaporator still mostly adopts manual monitoring and operation mode, cannot realize full automatic operation, this kind of evaporator will be able to realize efficient, automation and continuous evaporation process, improve production efficiency and product quality, reduce production cost and labor intensity.

[0003] In the chemical industry, pharmaceutical and food processing industries, evaporation is a common separation and concentration process, traditional evaporator usually needs manual monitoring and operation, not only low efficiency, and prone to error, therefore we propose a kind of automatic liquid's outer circulation evaporator to solve this problem. INVENTION CONTENTS

[0004] The utility model discloses a kind of automatic liquid's outer circulation evaporator, to solve the problem proposed in the above background art.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of automatic liquid's outer circulation evaporator, including: shell and condensing barrel, the shell is fixedly installed with heating plate in, the heating plate is fixedly installed with inner bag in, the shell top is fixedly installed with screw cover, the condensing barrel top is fixedly installed with condensing box, the condensing box and screw cover top are fixedly installed with communicating pipe, two The communicating pipe between fixedly installed with connecting pipe, the connecting pipe outer side is fixedly installed with condensing cylinder, the condensing cylinder is opened with discharge round hole and injection round hole, discharge round hole is fixedly installed with discharge pipe in, injection round hole is fixedly installed with injection pipe in, the condensing barrel one side is fixedly installed with circulating pump, the circulating pump output and shell are fixedly connected, the inner bag is provided with temperature response component, the condensing barrel is provided with liquid concentration sensing component.

[0007] Preferably, the temperature sensing assembly comprises a temperature sensing device fixedly installed in the inner container, a temperature sensing element fixedly installed at the bottom end of the temperature sensing device, a signal processing output element fixedly installed in the temperature sensing device, and the temperature sensing element is electrically connected with the signal processing output element, and the temperature sensing device is provided with a mounting groove matched with the signal processing output element.

[0008] Preferably, the liquid concentration sensing assembly comprises a liquid concentration sensor and a sensing element, the sensing element is fixedly installed at the top end of the liquid concentration sensor, the liquid concentration sensor is fixedly installed in the condensing barrel, a signal conversion processor is fixedly installed in the liquid concentration sensor, the liquid concentration sensor is provided with a connecting groove matched with the signal conversion processor, and the signal conversion processor is electrically connected with the sensing element.

[0009] Preferably, the condensing box is provided with a circular hole at the top end, a threaded ring is fixedly installed on the circular hole, a threaded cover is threadedly connected on the threaded ring, a liquid storage groove is formed in the condensing box, and a plurality of supporting legs are fixedly installed at the bottom end of the condensing barrel.

[0010] Preferably, the spiral cover is provided with an injection recess, an original liquid inlet pipe is fixedly installed in the injection recess, a spiral ring is fixedly installed on one side of the original liquid inlet pipe, a sealing cover is threadedly connected on the spiral ring, the sealing cover is provided with a threaded groove matched with the spiral ring at the bottom end, and an emptying valve is fixedly installed at the bottom end of the shell.

[0011] Preferably, a supporting frame is fixedly installed on the outer side of the shell, supporting legs are fixedly installed at the bottom end of the condensing barrel, circulating holes are formed in the heating plate, the inner container and the shell, and the output end of the circulating pump is fixedly installed in the circulating hole.

[0012] In the utility model, the connecting pipe is injected with the condensing agent through the injection pipe, and is discharged through the discharge pipe, so that the connecting pipe is kept in a circulating state, so that the connecting pipe is better cooled, better condensing effect is achieved, the threaded cover is rotated to separate the threaded cover from the threaded ring, then the condensing agent is injected into the condensing box for further condensing, better effect is achieved, the sealing cover threadedly connected on the spiral ring is rotated to separate the sealing cover from the spiral ring, thus the preparation work is completed, then the liquid to be treated is injected into the inner container through the original liquid inlet pipe;

[0013] The utility model discloses an external circulation evaporimeter of automatic liquid outlet, through starting the heating plate, continue heating after preheating the original liquid to the temperature close to the boiling point, part liquid vaporization changes into steam, let these vapours inject into the connecting pipe in the connecting pipe top of spiral cover, by condensing cylinder and its inside condensing liquid cooperation carries out the first condensation, part not condensed vapour will enter into the condensing tank through another communicating pipe, by the condensing liquid of condensing tank injection carries out the second condensation, by liquid concentration sensor to the liquid in condensing bucket is detected, when the liquid concentration in condensing bucket reaches the preset value, liquid concentration sensor automatic control control valve's opening or close, start continuous discharge or stop liquid, simultaneously, if the liquid after separation has not evaporated completely, needs through circulating pump and extracts it back to the inner bag and continues heating evaporation, ensures that liquid can continuously circulate in the evaporimeter, until reaches the required concentration degree.

[0014] The utility model discloses the structure design is reasonable, through the cooperation of multiple structures, can efficiently carry out the evaporation and condensation operation of liquid, and real -time monitoring temperature and liquid concentration, ensure the stability and safety of operation process, is equipped with advanced control system and accurate sensing equipment, can realize full -automatic operation, adopts forced circulation mode, improves the heat transfer efficiency and production capacity. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the external circulation evaporimeter of automatic liquid outlet that the utility model proposes;

[0016] Figure 2 It is a sectional view schematic view of the external circulation evaporimeter of automatic liquid outlet that the utility model proposes;

[0017] Figure 3 It is a partial structure sectional view schematic view of the external circulation evaporimeter of automatic liquid outlet that the utility model proposes;

[0018] Figure 4 It is Figure 2 The local enlarged view of part A.

[0019] Fig. 1, shell;2, support frame;3, condensing bucket;4, condensing tank;5, support leg;6, spiral cover;7, original liquid inlet pipe;8, sealing cover;9, condensing cylinder;10, communicating pipe;11, screw cover;12, heating plate;13, inner bag;14, temperature sensing device;15, liquid concentration sensor;16, emptying valve;17, circulating pump;18, control valve;19, screw ring;20, connecting pipe;21, injection pipe;22, spiral ring;23, discharge pipe;24, sensing element;25, signal conversion processor;26, signal processing output element;27, temperature sensing element. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Referring to Figures 1-4 An outer circulation evaporator with automatic liquid output, comprising: a shell 1 and a condensing barrel 3, a heating plate 12 is fixedly installed in the shell 1, an inner container 13 is fixedly installed in the heating plate 12, a spiral cover 6 is fixedly installed at the top end of the shell 1, a condensing box 4 is fixedly installed at the top end of the condensing barrel 3, the top end of the condensing box 4 and the top end of the spiral cover 6 are fixedly installed with a communication pipe 10, a connecting pipe 20 is fixedly installed between the two communication pipes 10, a condensing cylinder 9 is fixedly installed outside the connecting pipe 20, a discharge circular hole and an injection circular hole are formed in the condensing cylinder 9, a discharge pipe 23 is fixedly installed in the discharge circular hole, an injection pipe 21 is fixedly installed in the injection circular hole, a circulating pump 17 is fixedly installed on one side of the condensing barrel 3, the output end of the circulating pump 17 is fixedly connected with the shell 1, a temperature sensing assembly is arranged in the inner container 13, and a liquid concentration sensing assembly is arranged in the condensing barrel 3.

[0022] In the embodiment, the temperature sensing assembly comprises a temperature sensing device 14 and a temperature sensing element 27, the temperature sensing device 14 is fixedly installed in the inner container 13, the temperature sensing element 27 is fixedly installed at the bottom end of the temperature sensing device 14, a signal processing output element 26 is fixedly installed in the temperature sensing device 14, the temperature sensing element 27 is electrically connected with the signal processing output element 26, an installation groove matched with the signal processing output element 26 is formed in the temperature sensing device 14, and the temperature signal is processed and output.

[0023] In the embodiment, the liquid concentration sensing assembly comprises a liquid concentration sensor 15 and a sensing element 24, the sensing element 24 is fixedly installed at the top end of the liquid concentration sensor 15, the liquid concentration sensor 15 is fixedly installed in the condensing barrel 3, a signal conversion processor 25 is fixedly installed in the liquid concentration sensor 15, a connecting groove matched with the signal conversion processor 25 is formed in the liquid concentration sensor 15, the signal conversion processor 25 is electrically connected with the sensing element 24, and the concentration signal is processed and output.

[0024] In the embodiment, a circular hole is formed at the top end of the condensing box 4, a threaded ring 19 is fixedly installed on the circular hole, a threaded cover 11 is threadedly connected on the threaded ring 19, a liquid storage groove is formed in the condensing box 4, a plurality of supporting legs 5 are fixedly installed at the bottom end of the condensing barrel 3, the shell 1 is fixedly installed with a supporting frame 2, the condensing barrel 3 is fixedly installed with the supporting legs 5, the heating plate 12, the inner container 13 and the shell 1 are all provided with circulation holes, the output end of the circulating pump 17 is fixedly installed in the circulation hole, and work is facilitated.

[0025] In this embodiment, the spiral cover 6 is provided with an injection recess, and the injection recess is fixedly provided with an original liquid inlet pipe 7, one side of the original liquid inlet pipe 7 is fixedly provided with a spiral ring 22, the spiral ring 22 is threadedly connected with a sealing cover 8, the bottom end of the sealing cover 8 is provided with a threaded groove matched with the spiral ring 22, and the bottom end of the shell 1 is fixedly provided with an emptying valve 16, so that the control is better.

[0026] In this embodiment, when in use, the connecting pipe 20 is injected with the condensing agent through the injection pipe 21, and is discharged through the discharge pipe 23, so that the connecting pipe 20 is kept in a circulating state, so that the connecting pipe 20 is better cooled, and a better condensing effect is achieved, the threaded cover 11 is rotated to be separated from the threaded ring 19, then the condensing agent is injected into the condensing box 4, so that the condensing is further performed, so that a better effect is achieved, the sealing cover 8 threadedly connected with the spiral ring 22 is rotated to be separated from the spiral ring 22, thus the preparation work is completed, then the liquid to be treated is injected into the inner container 13 through the original liquid inlet pipe 7, then the heating plate 12 is started, the original liquid is preheated to a temperature close to the boiling point and continues to be heated, part of the liquid is vaporized into steam, the steam is injected into the connecting pipe 20 through the communication pipe 10 at the top end of the spiral cover 6, and is first condensed by the condensing cylinder 9 and the condensing liquid in the condensing cylinder 9, part of the steam that is not condensed enters the condensing box 4 through another communication pipe 10, and is secondly condensed by the condensing liquid injected into the condensing box 4, the liquid in the condensing barrel 3 is detected by the liquid concentration sensor 15, when the liquid concentration in the condensing barrel 3 reaches a preset value, the liquid concentration sensor 15 automatically controls the opening and closing of the control valve 18, and continuous discharging or stopping discharging is started, and if the separated liquid is not completely evaporated, the liquid is pumped back into the inner container 13 through the circulating pump 17 for continuous heating and evaporation, so that the liquid can continuously circulate in the evaporator until the required concentration degree is reached.

[0027] The automatic liquid discharging outer circulating evaporator is described in detail. The principle and implementation of the utility model are described by applying specific examples. The above examples are used to help understand the method and core idea of the utility model. It should be pointed out that the utility model can be improved and modified without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claim.

Claims

1. An external circulation evaporator for automatic liquid discharge, characterized by, Include: The shell (1) is fixedly installed with a heating plate (12), the heating plate (12) is fixedly installed with an inner container (13), the top end of the shell (1) is fixedly installed with a spiral cover (6), the top end of the condensing barrel (3) is fixedly installed with a condensing box (4), the top end of the condensing box (4) and the spiral cover (6) are fixedly installed with a communication pipe (10), two communication pipes (10) are fixedly installed with a connecting pipe (20), the outer side of the connecting pipe (20) is fixedly installed with a condensing cylinder (9), the condensing cylinder (9) is provided with a discharge circular hole and an injection circular hole, the discharge circular hole is fixedly installed with a discharge pipe (23), and the injection circular hole is fixedly installed with an injection pipe (21); One side of the condensing barrel (3) is fixedly installed with a circulating pump (17), the output end of the circulating pump (17) is fixedly connected with the shell (1), the inner container (13) is provided with a temperature sensing assembly, and the condensing barrel (3) is provided with a liquid concentration sensing assembly.

2. The external circulation evaporator of claim 1, wherein, The temperature sensing assembly comprises a temperature sensing device (14) and a temperature sensing element (27), the temperature sensing device (14) is fixedly installed in the inner container (13), the temperature sensing element (27) is fixedly installed at the bottom end of the temperature sensing device (14), the temperature sensing device (14) is fixedly installed with a signal processing output element (26), the temperature sensing element (27) is electrically connected with the signal processing output element (26), and the temperature sensing device (14) is provided with a mounting groove matched with the signal processing output element (26).

3. The external circulation evaporator of claim 1, wherein, The liquid concentration sensing assembly comprises a liquid concentration sensor (15) and a sensing element (24), the sensing element (24) is fixedly installed at the top end of the liquid concentration sensor (15), the liquid concentration sensor (15) is fixedly installed in the condensing barrel (3), the liquid concentration sensor (15) is fixedly installed with a signal conversion processor (25), the liquid concentration sensor (15) is provided with a connecting groove matched with the signal conversion processor (25), and the signal conversion processor (25) is electrically connected with the sensing element (24).

4. The external circulation evaporator of claim 1, wherein, The top end of the condensing box (4) is provided with a circular hole, the circular hole is fixedly installed with a threaded ring (19), the threaded ring (19) is threadedly connected with a threaded cover (11), the condensing box (4) is provided with a liquid storage groove, and the bottom end of the condensing barrel (3) is fixedly installed with a plurality of supporting legs (5).

5. The external circulation evaporator of claim 1, wherein, The spiral cover (6) is provided with an injection recess, the injection recess is fixedly installed with a raw liquid inlet pipe (7), one side of the raw liquid inlet pipe (7) is fixedly installed with a spiral ring (22), the spiral ring (22) is threadedly connected with a sealing cover (8), the bottom end of the sealing cover (8) is provided with a threaded groove matched with the spiral ring (22), and the bottom end of the shell (1) is fixedly installed with an emptying valve (16).

6. The external circulation evaporator of claim 1, wherein, Support frame (2) is fixedly installed outside the shell (1), the bottom end of the condensation bucket (3) is fixedly installed with support leg (5), the heating plate (12), the inner container (13) and the shell (1) are all provided with circulating holes, and the output end of the circulating pump (17) is fixedly installed in the circulating hole.

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