Liquid separating device of heat exchanger

Abstract

The utility model provides a heat exchanger liquid separation device which comprises a liquid separation tank, a liquid separation cavity is formed in the inner wall of the liquid separation tank, a liquid inlet pipe is fixedly connected to the top of the liquid separation tank in a penetrating mode, an exhaust pipe is fixedly connected to the top of the end, away from the liquid inlet pipe, of the liquid separation tank in a penetrating mode, and a drainage pipe is fixedly connected to the outer wall pipe of the bottom end of the liquid separation tank in a penetrating mode. An oil discharge pipe penetrates through and is fixedly connected to the outer wall of the liquid separation tank at the top end of the water discharge pipe. Mixed liquid in the heat exchanger is guided into the liquid separation cavity through the liquid inlet pipe, meanwhile, a flocculating agent or other auxiliary additives can be guided into the liquid separation cavity through the liquid inlet pipe, so that the mixed liquid in the liquid separation cavity is precipitated, gas obtained after precipitation is discharged through the exhaust pipe, oil liquid is discharged through the oil discharge pipe, and finally water is discharged through the water discharge pipe. Therefore, the mixed liquid in the heat exchanger is separated, and the discharging efficiency of the mixed liquid in the heat exchanger is improved.

Description

Technical Field

[0001] The utility model discloses a liquid separation device for a heat exchanger, and relates to the field of heat exchangers. Background Art

[0002] Heat exchangers are devices that transfer part of the heat of hot fluid to cold fluid, also known as heat exchangers. Heat exchangers play an important role in chemical, petroleum, power, food and many other industrial production. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators and reboilers, etc., and are widely used.

[0003] When the heat exchanger is working, the internal liquid will be mixed with oil gas or other liquids such as oil due to the heat exchange operation, resulting in the need for secondary separation after the internal liquid is discharged, which seriously affects the discharge of the internal liquid of the heat exchanger. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a liquid separation device for a heat exchanger, which introduces the mixed liquid in the heat exchanger into a liquid separation chamber through a liquid inlet pipe, and at the same time, a flocculant or other auxiliary additives can be introduced through the liquid inlet pipe to precipitate the mixed liquid in the liquid separation chamber, and the precipitated gas is discharged through an exhaust pipe, the oil is discharged through an oil drain pipe, and finally the water is discharged through a drain pipe, thereby realizing the liquid separation of the mixed liquid in the heat exchanger, improving the discharge efficiency of the mixed liquid inside the heat exchanger, and solving the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a heat exchanger liquid separation device, including a liquid separation tank, an inner wall of the liquid separation tank is provided with a liquid separation cavity, the top of the liquid separation tank is penetrated and fixedly connected with a liquid inlet pipe, the top of the liquid separation tank away from the liquid inlet pipe is penetrated and fixedly connected with an exhaust pipe, the bottom outer wall tube of the liquid separation tank is penetrated and fixedly connected with a drain pipe, and the outer wall of the liquid separation tank at the top end of the drain pipe is penetrated and fixedly connected with an oil drain pipe.

[0006] Furthermore, a connecting flange is fixedly connected to the outer wall of the bottom end of the liquid inlet pipe, and the connecting flange is connected to the top of the liquid separation tank.

[0007] Furthermore, a first fixing flange is fixedly connected to the outer wall of the bottom end of the exhaust pipe, the first fixing flange is connected to the top of the liquid separation tank by bolts, and an exhaust valve is arranged on the inner wall of the top end of the exhaust pipe.

[0008] Furthermore, an oil drain valve is provided on the inner wall of the oil drain pipe, and a second fixed flange is fixedly connected to the outer wall of one end of the oil drain pipe close to the liquid separator tank, and the second fixed flange is connected to the outer wall of the liquid separator tank.

[0009] Furthermore, a drain valve is provided on the inner wall of the drain pipe, and a third fixing flange is fixedly connected to the outer wall of the drain pipe near one end of the liquid separating tank, and the third fixing flange is connected to the outer wall of the liquid separating tank by bolts.

[0010] Furthermore, an observation window is provided through the outer wall of one end of the liquid separation tank, glass is fixed to the inner wall of the observation window, and a fourth fixing flange is fixedly connected to the outer wall of the bottom end of the liquid separation tank.

[0011] The beneficial effects of the utility model are as follows: the mixed liquid in the heat exchanger is introduced into the liquid separation chamber through the liquid inlet pipe, and at the same time, flocculant or other auxiliary additives can be introduced through the liquid inlet pipe to precipitate the mixed liquid in the liquid separation chamber, the precipitated gas is discharged through the exhaust pipe, the oil is discharged through the oil discharge pipe, and finally the water is discharged through the drain pipe, thereby realizing the liquid separation work of the mixed liquid in the heat exchanger and improving the discharge efficiency of the mixed liquid inside the heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0013] Figure 1 This is a schematic diagram of the main structure of a heat exchanger liquid separation device of the utility model;

[0014] Figure 2 It is an enlarged schematic diagram of the cross-sectional structure of a liquid separation tank in a liquid separation device of a heat exchanger of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure enlargement of an exhaust pipe in a liquid separation device of a heat exchanger according to the utility model.

[0016] In the figure: 1-liquid separation tank, 2-liquid inlet pipe, 21-connecting flange, 3-exhaust pipe, 31-exhaust valve, 32-first fixed flange, 4-oil drain pipe, 41-oil drain valve, 42-second fixed flange, 5-drain pipe, 51-drain valve, 52-third fixed flange, 6-observation window, 7-fourth fixed flange, 8-liquid separation chamber. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0018] See also Figures 1 to 3The utility model provides a technical solution: a heat exchanger liquid separation device, including a liquid separation tank 1, an inner wall of the liquid separation tank 1 is provided with a liquid separation cavity 8, a liquid inlet pipe 2 is passed through and fixedly connected to the top of the liquid separation tank 1, an exhaust pipe 3 is passed through and fixedly connected to the top of the end of the liquid separation tank 1 away from the liquid inlet pipe 2, a drainage pipe 5 is passed through and fixedly connected to the outer wall pipe at the bottom end of the liquid separation tank 1, and an oil drain pipe 4 is passed through and fixedly connected to the outer wall of the liquid separation tank 1 at the top end of the drainage pipe 5.

[0019] Preferably, in this embodiment, the installation height of the oil drain pipe 4 needs to be higher than the center line of the liquid separation tank 1. If the water content of the mixed liquid in the heat exchanger is low, clean water can be injected into the liquid separation chamber 8 through the liquid inlet pipe 2. Since oil and water are insoluble, the oil level can be raised to complete the oil drainage operation.

[0020] Furthermore, a connecting flange 21 is fixedly connected to the outer wall of the bottom end of the liquid inlet pipe 2 , and the connecting flange 21 is connected to the top of the liquid separation tank 1 .

[0021] Furthermore, a first fixing flange 32 is fixedly connected to the outer wall of the bottom end of the exhaust pipe 3 , and the first fixing flange 32 is connected to the top of the liquid separation tank 1 through bolts. An exhaust valve 31 is provided on the inner wall of the top end of the exhaust pipe 3 .

[0022] Furthermore, an oil drain valve 41 is provided on the inner wall of the oil drain pipe 4 , and a second fixing flange 42 is fixedly connected to the outer wall of one end of the oil drain pipe 4 close to the liquid separator tank 1 , and the second fixing flange 42 is connected to the outer wall of the liquid separator tank 1 .

[0023] Furthermore, a drain valve 51 is provided on the inner wall of the drain pipe 5 , and a third fixing flange 52 is fixedly connected to the outer wall of the drain pipe 5 close to the liquid separation tank 1 . The third fixing flange 52 is connected to the outer wall of the liquid separation tank 1 by bolts.

[0024] Preferably, the exhaust pipe 3 , the oil drain pipe 4 and the drain pipe 5 can be connected respectively through the first fixing flange 32 , the second fixing flange 42 and the third fixing flange 52 .

[0025] Furthermore, an observation window 6 is formed through the outer wall of one end of the liquid separation tank 1 , a glass is fixed to the inner wall of the observation window 6 , and a fourth fixing flange 7 is fixedly connected to the outer wall of the bottom end of the liquid separation tank 1 .

[0026] Preferably, when the mixed liquid in the heat exchanger is separated, the oil level and the water level inside the separation chamber 8 can be observed through the observation window 6, thereby improving the separation accuracy.

[0027] Specific implementation method: When using this device, it is only necessary to fix the liquid separation tank 1 to a suitable position in the heat exchanger through the fourth fixing flange 7, and then connect the liquid inlet pipe 2 to the liquid discharge pipe of the heat exchanger, and connect the exhaust pipe 3 to the waste gas collection pipe, connect the oil discharge pipe 4 to the waste oil collection pipe, and connect the drain pipe 5 to the wastewater collection pipe.

[0028] During operation, it is only necessary to introduce the waste liquid in the heat exchanger into the liquid separation chamber 8 and add the reactant therein, the waste gas after the reaction is discharged through the exhaust pipe 3, the oil is discharged through the oil drain pipe 4, and the waste water is discharged through the drain pipe 5.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A heat exchanger liquid separation device, comprising a liquid separation tank (1), characterized in that: The inner wall of the liquid separation tank (1) is provided with a liquid separation cavity (8); a liquid inlet pipe (2) is passed through and fixedly connected to the top of the liquid separation tank (1); an exhaust pipe (3) is passed through and fixedly connected to the top of the liquid separation tank (1) at one end away from the liquid inlet pipe (2); a drainage pipe (5) is passed through and fixedly connected to the outer wall of the bottom end of the liquid separation tank (1); and an oil drainage pipe (4) is passed through and fixedly connected to the outer wall of the liquid separation tank (1) at the top end of the drainage pipe (5).

2. A heat exchanger liquid separation device according to claim 1, characterized in that: A connecting flange (21) is fixedly connected to the outer wall of the bottom end of the liquid inlet pipe (2), and the connecting flange (21) is connected to the top of the liquid separation tank (1).

3. A heat exchanger liquid separation device according to claim 1, characterized in that: A first fixed flange (32) is fixedly connected to the outer wall of the bottom end of the exhaust pipe (3); the first fixed flange (32) is connected to the top of the liquid separation tank (1) via bolts; and an exhaust valve (31) is provided on the inner wall of the top end of the exhaust pipe (3).

4. A heat exchanger liquid separation device according to claim 1, characterized in that: An oil drain valve (41) is provided on the inner wall of the oil drain pipe (4), and a second fixed flange (42) is fixedly connected to the outer wall of one end of the oil drain pipe (4) close to the liquid separation tank (1), and the second fixed flange (42) is connected to the outer wall of the liquid separation tank (1).

5. A heat exchanger liquid separation device according to claim 1, characterized in that: The inner wall of the drain pipe (5) is provided with a drain valve (51), and the outer wall of the drain pipe (5) at one end close to the liquid separation tank (1) is fixedly connected with a third fixed flange (52), and the third fixed flange (52) is connected to the outer wall of the liquid separation tank (1) by bolts.

6. A heat exchanger liquid separation device according to claim 1, characterized in that: An observation window (6) is provided through the outer wall of one end of the liquid separation tank (1), a glass is fixed to the inner wall of the observation window (6), and a fourth fixing flange (7) is fixedly connected to the outer wall of the bottom end of the liquid separation tank (1).

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