Liquid-gas separation circulating system

Abstract

The utility model provides a liquid-gas separation circulating system, and relates to the field of energy-saving devices. The problem that an existing steam system cannot recycle used steam is solved. The liquid-gas separation circulating system comprises a steam generator, a sterilization tank and a cooling device; wherein a steam outlet of the steam generator is communicated with a steam inlet of the sterilization tank through a first pipeline and a first electromagnetic valve, and a liquid inlet of the steam generator is communicated with an overflow port of the cooling device through a second pipeline and a second electromagnetic valve; and a steam outlet of the sterilization tank is communicated with a steam inlet of the cooling device through a third pipeline and a third electromagnetic valve. According to the scheme, steam is recycled, pollution is reduced, and the utilization rate of resources is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy -conserving device field especially is a kind of liquid-gas separation circulation system. BACKGROUND

[0002] In the treatment process of existing steam system, the tail gas of steam system is mostly directly discharged without a complete recycling system, often there is energy waste and secondary pollution problem, especially in the liquefaction and recycling of water vapor, the efficiency is not high, and the traditional condensation method depends on natural cooling, which not only is slow, but also has high energy consumption. SUMMARY

[0003] The embodiment of the utility model provides a kind of liquid-gas separation circulation system.The problem that the steam of after use cannot be recycled and reused by existing steam system is solved.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0005] The embodiment of the utility model provides a kind of liquid-gas separation circulation system, comprising:

[0006] Steam generator, sterilization tank and cooling device;

[0007] Among them, the steam outlet of the steam generator is communicated with the steam inlet of the sterilization tank by the first pipeline and the first electromagnetic valve, and the liquid inlet of the steam generator is communicated with the overflow port of the cooling device by the second pipeline and the second electromagnetic valve;

[0008] The steam outlet of the sterilization tank is communicated with the steam inlet of the cooling device by the third pipeline and the third electromagnetic valve.

[0009] Optionally, the liquid-gas separation circulation system further comprises:

[0010] The water storage tank is arranged between the cooling device and the second electromagnetic valve, the liquid inlet of the water storage tank is communicated with the overflow port of the cooling device by the second pipeline, and the liquid outlet of the water storage tank is communicated with the liquid inlet of the steam generator by the second pipeline and the second electromagnetic valve.

[0011] Optionally, the liquid-gas separation circulation system further comprises:

[0012] The vacuum pump is arranged on the side of the third electromagnetic valve, the inlet pipeline of the vacuum pump is communicated with the steam outlet of the sterilization tank by the third pipeline, and the outlet pipeline of the vacuum pump is communicated with the steam inlet of the cooling device by the third pipeline.

[0013] Optionally, the steam generator comprises:

[0014] A steam tank body, a liquid inlet is arranged at the bottom of the steam tank body, and a steam outlet is arranged at the upper end of the steam tank body;

[0015] A liquid level detection device arranged at one side of the steam tank body;

[0016] A heating device arranged in the steam tank body;

[0017] A pressure detection interface arranged at one side of the steam tank body.

[0018] Optionally, the cooling device comprises:

[0019] A liquid-vapor separation tank, a cooling liquid of a first preset height is arranged in the liquid-vapor separation tank;

[0020] A steam inlet arranged at the top of the liquid-vapor separation tank;

[0021] A steam outlet arranged at the side of the top of the liquid-vapor separation tank;

[0022] An overflow port arranged at a preset height of the side of the liquid-vapor separation tank;

[0023] An air filter device arranged in the liquid-vapor separation tank, one end of the steam inlet is communicated with a third pipeline, and the other end is communicated with the air filter device;

[0024] A liquid-gas exchange pipe arranged at the bottom of the air filter device, one end of the liquid-gas exchange pipe is communicated with the air filter device, and the other end is arranged in the cooling liquid at the bottom of the liquid-vapor separation tank.

[0025] Optionally, the cooling device further comprises:

[0026] A cooler arranged at one side of the liquid-vapor separation tank;

[0027] A water inlet and a water outlet are arranged at one side of the bottom of the liquid-vapor separation tank;

[0028] The water outlet of the cooler is communicated with the water inlet of the liquid-vapor separation tank, and the water inlet of the cooler is communicated with the water outlet of the liquid-vapor separation tank.

[0029] Optionally, a water pump is arranged on the pipeline between the cooler and the water inlet of the liquid-vapor separation tank.

[0030] Optionally, the air filter device comprises:

[0031] An air filter tank arranged in the liquid-vapor separation tank and located at the top of the inside of the liquid-vapor separation tank, the bottom of the air filter tank is communicated with one end of the liquid-gas exchange pipe;

[0032] An air filter arranged in the air filter tank, the air filter is communicated with the steam inlet.

[0033] Optionally, the air filter tank is provided with a sealing device at the position where the air filter tank contacts with the steam inlet of the liquid-steam separation tank.

[0034] Optionally, a plurality of air exhaust holes are arranged on the side wall of one end of the liquid-gas exchange pipe.

[0035] The above scheme of the utility model has at least the following beneficial effects:

[0036] The liquid-gas separation circulation system comprises a steam generator, a sterilization tank and a cooling device; wherein the steam outlet of the steam generator is communicated with the steam inlet of the sterilization tank through a first pipeline and a first electromagnetic valve, and the liquid inlet of the steam generator is communicated with the overflow port of the cooling device through a second pipeline and a second electromagnetic valve; the steam outlet of the sterilization tank is communicated with the steam inlet of the cooling device through a third pipeline and a third electromagnetic valve. The circulation utilization of steam is realized, the pollution is reduced, and the utilization rate of resources is improved. BRIEF DESCRIPTION OF DRAWINGS

[0037] Fig. 1 is the structure schematic view of the liquid-gas separation circulation system of the utility model;

[0038] Fig. 2 is the structure schematic view of the cooling device of the liquid-gas separation circulation system of the utility model;

[0039] Fig. 3 is the structure schematic view of the steam generator of the liquid-gas separation circulation system of the utility model;

[0040] BRIEF DESCRIPTION OF DRAWINGS

[0041] 1, liquid-steam separation tank; 11, steam inlet; 12, steam outlet; 13, air filter tank; 14, liquid-gas exchange pipe; 15, water inlet; 16, overflow port; 17, sealing device; 18, water outlet; 20, air filter; 21, steam generator; 211, steam tank body; 212, liquid level detection device; 213, liquid inlet; 214, steam outlet; 215, heating device; 216, pressure detection interface; 22, sterilization tank; 23, cooling device; 24, first electromagnetic valve; 25, second electromagnetic valve; 26, third electromagnetic valve; 27, water storage tank; 28, vacuum pump; 3, liquid level meter; 4, cooler; 41, water pump; 51, first communication pipeline; 52, second communication pipeline; 53, auxiliary steam tank body. DETAILED DESCRIPTION

[0042] Exemplary embodiments of the present application will be described in greater detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it is understood that the present application can be embodied in various forms without being limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application will be thoroughly and completely understood as a whole, and to enable those skilled in the art to convey a complete disclosure of the present application to others skilled in the art.

[0043] As Figs. 1 to 3 shown, the embodiment of the present application provides a liquid-gas separation circulating system, comprising:

[0044] a steam generator 21, a sterilization tank 22 and a cooling device 23;

[0045] Wherein, the steam outlet 214 of the steam generator 21 is communicated with the steam inlet of the sterilization tank 22 through the first pipeline and the first electromagnetic valve 24, and the liquid inlet 213 of the steam generator 21 is communicated with the overflow port 16 of the cooling device 23 through the second pipeline and the second electromagnetic valve 25;

[0046] The steam outlet of the sterilization tank 22 is communicated with the steam inlet 11 of the cooling device 23 through the third pipeline and the third electromagnetic valve 26.

[0047] In the embodiment, in the use state, first, the first electromagnetic valve 24 and the second electromagnetic valve 25 are closed, so that the steam generator 21 generates high-temperature and high-pressure steam, when the high-temperature steam in the steam generator 21 reaches the preset value, the first electromagnetic valve 24 is opened, so that the high-temperature steam in the steam generator 21 enters the sterilization tank 22, and the first electromagnetic valve 24 is closed after the high-temperature steam enters the sterilization tank 22, so that the high-temperature steam sterilizes the materials in the sterilization tank 22; after the sterilization is completed, the third electromagnetic valve 26 is opened, so that the sterilized steam enters the cooling device 23 through the third pipeline for cooling, and is condensed into liquid water, and is discharged through the overflow port 16 of the cooling device 23, and at the same time, the second electromagnetic valve 25 is opened, so that the cooled liquid flows back to the steam generator 21, thereby realizing efficient condensation and recycling of the high-temperature steam, saving energy, reducing sewage discharge and reducing pollution.

[0048] In an optional embodiment of the present application, the liquid-gas separation circulating system further comprises:

[0049] A water storage tank 27 is arranged between the cooling device 23 and the second electromagnetic valve 25, the liquid inlet of the water storage tank 27 is communicated with the overflow port 16 of the cooling device 23 through the second pipeline, and the liquid outlet of the water storage tank 27 is communicated with the liquid inlet of the steam generator 21 through the second pipeline and the second electromagnetic valve 25.

[0050] In the embodiment, the water storage tank 27 is used for storing the liquid overflowing from the overflow port 16 of the cooling device 23, facilitating real-time supply of the water level in the steam generator 21; and the water storage tank 27 is subjected to heat preservation treatment.

[0051] In an optional embodiment of the utility model, the liquid-gas separation circulation system further comprises:

[0052] The vacuum pump 28 is arranged on one side of the third electromagnetic valve 26, the inlet pipeline of the vacuum pump 28 is communicated with the steam outlet of the sterilization tank 22 through the third pipeline, and the outlet pipeline of the vacuum pump 28 is communicated with the steam inlet 11 of the cooling device 23 through the third pipeline.

[0053] In the embodiment, the vacuum pump 28 is used for vacuumizing the inside of the sterilization tank 22, guaranteeing that the steam in the inside of the sterilization tank 22 can be completely discharged; when the sterilization tank 22 needs to discharge the steam in the inside, the third electromagnetic valve 26 is opened first, the steam in the sterilization tank 22 is naturally discharged into the cooling device 23 through the third electromagnetic valve 26, when the pressure in the cooling device 23 is equal to the pressure in the sterilization tank 22, the third electromagnetic valve 26 is closed, the vacuum pump 28 is started, the inside of the sterilization tank 22 is vacuumized through the vacuum pump 28, and the extracted gas is discharged into the cooling device 23 for cooling until the gas in the sterilization tank 22 is completely discharged; the system effectively removes the residual water vapor in the sterilization tank 22 through the pressure reduction and vacuumization, prevents energy loss, and ensures continuous and stable operation of the system, the extracted gas can be collected and treated, and pollution to the environment is avoided.

[0054] In an optional embodiment of the utility model, the steam generator 21 comprises:

[0055] The steam tank body 211 is provided with a liquid inlet 213 at the bottom and a steam outlet 214 at the upper end;

[0056] The liquid level detection device 212 is arranged on one side of the steam tank body 211;

[0057] The heating device 215 is arranged in the steam tank body 211;

[0058] The pressure detection interface 216 is arranged on one side of the steam tank body 211.

[0059] In the use state of the embodiment, the water storage tank 27 inputs water into the steam tank body 211 through the liquid inlet 213, the heating device 215 in the steam tank body 211 heats the water in the steam tank body 211 to generate high-temperature and high-pressure steam, and then the steam is input into the sterilization tank 22 through the steam outlet 214 for use; the pressure detection interface 216 is used for connecting a pressure detection device for detecting the pressure in the steam tank body 211, and when the pressure reaches a preset value, the first electromagnetic valve 24 is opened to make the steam in the steam tank body 211 enter the sterilization tank 22; the liquid level detection device 212 is used for monitoring the water level in the steam tank body 211, and when the water level in the steam tank body 211 is lower than a preset water level value, the second electromagnetic valve 25 is opened to input the water stored in the water storage tank 27 into the steam tank body 211 for use.

[0060] In the embodiment, the design of the steam generator 21 is not unique, as long as high-temperature and high-pressure steam can be generated; in a preferred embodiment, the steam generator 21 further comprises at least one auxiliary steam tank body 53 arranged on one side of the steam tank body 211 and communicated with the steam tank body 211 through a first communication pipeline 51 and a second communication pipeline 52, and the auxiliary steam tank body 53 and the steam tank body 211 can be used to increase the steam generation amount of the steam tank body 211.

[0061] In an optional embodiment of the utility model, the cooling device 23 comprises:

[0062] The liquid-vapor separation tank 1 is provided with a cooling liquid of a first preset height in the liquid-vapor separation tank 1.

[0063] The steam inlet 11 is arranged on the top of the liquid-vapor separation tank 1.

[0064] The steam outlet 12 is arranged on the top side of the liquid-vapor separation tank 1.

[0065] The overflow port 16 is arranged at a preset height on the side of the liquid-vapor separation tank 1.

[0066] The air filtering device is arranged in the liquid-vapor separation tank 1, one end of the steam inlet 11 is communicated with the third pipeline, and the other end is communicated with the air filtering device.

[0067] The liquid-gas exchange pipe 14 is arranged at the bottom of the air filtering device, one end of the liquid-gas exchange pipe 14 is communicated with the air filtering device, and the other end is arranged in the cooling liquid at the bottom of the liquid-vapor separation tank 1.

[0068] The air filtering device comprises:

[0069] An air filter tank 13 is arranged in the liquid-vapor separation tank 1 and at the top inside of the liquid-vapor separation tank 1, and the bottom of the air filter tank 13 is communicated with one end of a liquid-gas exchange pipe 14;

[0070] An air filter 20 is arranged in the air filter tank 13, and the air filter 20 is communicated with the steam inlet 11.

[0071] In the embodiment, the cooling liquid can be cooling water; the air filter 20 is arranged above the inside of the liquid-vapor separation tank and is used for filtering solid particles in the exhaust gas, and through high-efficiency separation and filtration, energy consumption is reduced, pollution to the environment is reduced, various pollutants in the exhaust gas can be effectively removed, the discharged air meets the environmental protection standard, and the equipment operation efficiency is improved; the air filter 20 adopts multi-layer filtering materials, solid particles can be effectively intercepted, and the service life of the subsequent filter is prolonged; the air filter tank 13 and the liquid-vapor separation tank 1 are only communicated through the liquid-gas exchange pipe 14, and other parts are sealed. The liquid-gas exchange pipe 14 is used for heat exchange of liquid and gas and liquefaction of water vapor, and separation efficiency is improved; in the use state, high-temperature steam enters the air filter 20 from the steam inlet 11, forms a high-temperature steam cavity in the air filter tank 13 after being filtered through the air filter 20, then the steam in the high-temperature steam cavity enters the cooling water in the liquid-vapor separation tank 1 through the liquid-gas exchange pipe 14 to exchange heat, and the water in the water vapor is cooled and then fused into the cooling water; when the collected cooling water exceeds the overflow port 16, the cooling water is directly discharged into the water storage tank 27 through the overflow port 16 for storage.

[0072] In an optional embodiment of the utility model, the cooling device 23 further includes:

[0073] A cooler 4 is arranged at one side of the liquid-vapor separation tank 1.

[0074] A water inlet 15 and a water outlet 18 are arranged at one side of the bottom of the liquid-vapor separation tank 1.

[0075] The water outlet of the cooler 4 is communicated with the water inlet 15 of the liquid-vapor separation tank 1, and the water inlet of the cooler 4 is communicated with the water outlet 18 of the liquid-vapor separation tank 1.

[0076] In the embodiment, the cooler can be air-cooled or water-cooled and waste heat is recovered; the cooler 4 is used for circulating cooling of the cooling liquid at the bottom of the liquid-vapor separation tank 1, so that the cooling liquid in the liquid-vapor separation tank 1 can always be in a low-temperature state, thereby facilitating cooling of the input water vapor.

[0077] In a preferred embodiment, the cooling device 23 includes:

[0078] A liquid level gauge 3 is arranged on one side of the liquid-vapor separation tank 1, and the liquid level gauge 3 is in communication with the inside of the liquid-vapor separation tank 1 for monitoring the water level in the liquid-vapor separation tank 1, when the water level is too low, the inside of the liquid-vapor separation tank 1 can be supplemented with water through the water inlet 15, and when the water level is too high, the amount of steam entering can be reduced.

[0079] In an optional embodiment of the utility model, a water pump 41 is arranged on the pipeline between the cooler 4 and the water inlet 18 of the liquid-vapor separation tank 1.

[0080] In the embodiment, the water in the liquid-vapor separation tank 1 is delivered to the cooler 4 for heat dissipation by the water pump 41.

[0081] In an optional embodiment of the utility model, a sealing device 17 is arranged at the contact position between the air filter tank 13 and the steam inlet 11 of the liquid-vapor separation tank 1.

[0082] In the embodiment, in the use state, the solid particles are intercepted after being filtered and are left in the air filter 20, and the air filter tank 13 is provided with an openable sealing device 17 at the steam inlet 11, so that the filter core of the air filter 20 can be conveniently opened and replaced, and the sealing device 17 is provided with a sealing gasket to maintain the sealing property.

[0083] In an optional embodiment of the utility model, a plurality of exhaust holes are arranged on the side wall of one end of the liquid-gas exchange pipe 14, the exhaust holes are used for increasing the heat exchange efficiency, in the use state, the liquid level in the liquid-vapor separation tank 1 is always higher than the height of the lateral liquid-vapor exchange hole of the liquid-gas exchange pipe 14, so as to ensure that the gas entering the air filter tank passes through water filtering.

[0084] The above is the preferred embodiment of the utility model, and it should be pointed out that, for the ordinary skilled in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A liquid-gas separation cycle system, characterized by, Comprise: Steam generator (21), sterilization tank (22) and cooling device (23); Wherein, the steam outlet (214) of the steam generator (21) is communicated with the steam inlet of the sterilization tank (22) through the first pipeline and the first electromagnetic valve (24), and the liquid inlet (213) of the steam generator (21) is communicated with the overflow port (16) of the cooling device (23) through the second pipeline and the second electromagnetic valve (25); The steam outlet of the sterilization tank (22) is communicated with the steam inlet (11) of the cooling device (23) through the third pipeline and the third electromagnetic valve (26).

2. The liquid-gas separation cycle system of claim 1, wherein, Also include: The water storage tank (27) is arranged between the cooling device (23) and the second electromagnetic valve (25), the liquid inlet of the water storage tank (27) is communicated with the overflow port (16) of the cooling device (23) through the second pipeline, and the liquid outlet of the water storage tank (27) is communicated with the liquid inlet of the steam generator (21) through the second pipeline and the second electromagnetic valve (25).

3. The liquid-gas separation cycle system of claim 1, wherein, Also include: The vacuum pump (28) is arranged on one side of the third electromagnetic valve (26), the inlet pipeline of the vacuum pump (28) is communicated with the steam outlet of the sterilization tank (22) through the third pipeline, and the outlet pipeline of the vacuum pump (28) is communicated with the steam inlet (11) of the cooling device (23) through the third pipeline.

4. The liquid-gas separation cycle system of claim 1, wherein, The steam generator (21) comprises: The steam tank body (211) is provided with a liquid inlet (213) at the bottom and a steam outlet (214) at the upper end; The liquid level detection device (212) is arranged on one side of the steam tank body (211); The heating device (215) is arranged in the steam tank body (211); The pressure detection interface (216) is arranged on one side of the steam tank body (211).

5. The liquid-gas separation cycle system of claim 1, wherein, The cooling device (23) comprises: The liquid-vapor separation tank (1) is provided with a first preset height of cooling liquid; The steam inlet (11) is arranged on the top of the liquid-vapor separation tank (1); The steam outlet (12) is arranged on the side of the top of the liquid-vapor separation tank (1); The overflow port (16) is arranged at a preset height on the side of the liquid-vapor separation tank (1); The air filter device is arranged in the liquid-vapor separation tank (1), one end of the steam inlet (11) is communicated with the third pipeline, and the other end is communicated with the air filter device; The liquid-gas exchange pipe (14) is arranged at the bottom of the air filter device, one end of the liquid-gas exchange pipe (14) is communicated with the air filter device, and the other end is arranged in the cooling liquid at the bottom of the liquid-vapor separation tank (1).

6. The liquid-gas separation cycle system of claim 5, wherein, The cooling device (23) further comprises: The cooler (4) is arranged on one side of the liquid-vapor separation tank (1); The water inlet (15) and the water outlet (18) are arranged on one side of the bottom of the liquid-vapor separation tank (1); The water outlet of the cooler (4) is communicated with the water inlet (15) of the liquid-vapor separation tank (1), and the water inlet of the cooler (4) is communicated with the water outlet (18) of the liquid-vapor separation tank (1).

7. The liquid-gas separation cycle system of claim 6, wherein, A water pump (41) is arranged on the pipeline between the cooler (4) and the water outlet (18) of the liquid-vapor separation tank (1).

8. The liquid-gas separation cycle system of claim 5, wherein, The air filtering device comprises: An air filtering tank (13) is arranged in the liquid-vapor separation tank (1) and at the top inside of the liquid-vapor separation tank (1), and the bottom of the air filtering tank (13) is communicated with one end of a liquid-gas exchange pipe (14); An air filter (20) is arranged in the air filtering tank (13), and the air filter (20) is communicated with the steam inlet (11).

9. The liquid-gas separation cycle system of claim 8, wherein, A sealing device (17) is arranged at the position where the air filtering tank (13) contacts with the steam inlet (11) of the liquid-vapor separation tank (1).

10. The liquid-gas separation cycle system of claim 5, wherein, A plurality of air outlet holes are arranged on the side wall of one end of the liquid-gas exchange pipe (14).

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