Steam recycling device

Abstract

The utility model relates to the field of steam recovery, in particular to a steam circulation recovery device, which adopts the technical scheme that the steam circulation recovery device comprises a drainage pipe and a suction pump, an output pipe is mounted at the output end of the suction pump, a water storage tank and a conveying assembly are arranged at the other end of the output pipe, a pressure relief assembly is mounted at the upper end of the water storage tank, and a connecting pipe is mounted on one side of the pressure relief assembly; the solar water heater has the advantages that water in the water storage tank can be subjected to heat exchange through the conveying pipe A and can also be directly contacted and heated through the conveying pipe B, different use requirements are met, when the pressure of water vapor in the water storage tank jacks open the sealing plug, the water vapor in the water storage tank is separated from the sealing plug, and the water vapor in the water storage tank is separated from the liquid collecting box. When the vapor-liquid separator is used, the sealing plug moves upwards to extrude the pressure spring to deform, at the moment, one end of the connecting pipe leaks out, the vapor is guided into the vapor-liquid separator through the connecting pipe, the vapor-liquid separator can conduct vapor-liquid separation on the vapor, and separated liquid can be discharged downwards into the liquid collecting box to be stored for secondary utilization.

Description

Technical Field

[0001] The utility model relates to the field of steam recovery, in particular to a steam circulation recovery device. Background Art

[0002] A steam generator, also known as a steam heat source machine, is a mechanical device that uses the heat energy of fuel or other energy sources to heat water into hot water or steam. When burning the boiler, water can be introduced into the steam generator to form steam, and then the steam is transported into the boiler for use. However, in the prior art, in order to improve the efficiency of water forming steam, most of them directly use hot water to be introduced into the steam generator. Since the water is stored in the storage tank in advance, if a heat exchange tube is used in a loop, the heating efficiency of the water is low. If the water in the tank is directly heated, a large amount of water vapor will be generated. Usually, these water vapors cannot be effectively recovered. If the water storage tank is in a sealed state, the generated water vapor will increase the pressure in the tank, causing the tank body to expand and be damaged. If these water vapors are directly exported, it will also cause thermal pollution to the surrounding environment.

[0003] Therefore, it is necessary to invent a steam circulation recovery device. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A steam circulation recovery device, including a drainage pipe and a suction pump. One end of the drainage pipe is installed at the input end of the suction pump. An output pipe is installed at the output end of the suction pump. The other end of the output pipe is provided with a water storage tank and a conveying component. The conveying component is connected to the output pipe. A pressure relief component is installed at the upper end of the water storage tank. A connecting pipe is installed on one side of the pressure relief component. The other end of the connecting pipe is installed with a vapor-liquid separator. A liquid collection tank is arranged at the bottom of the vapor-liquid separator.

[0006] Based on the above features: Liquid water can be stored in the water storage tank in advance. One end of the drainage pipe far from the suction pump is connected to the exhaust flue on the boiler. When the boiler is burning, high-temperature gas can be discharged through the exhaust flue. At the same time, the suction pump is started to draw the high-temperature gas through the drainage pipe. Then the high-temperature gas is discharged into the conveying component through the output pipe, and the conveying component can introduce the high-temperature gas into the water storage tank to heat and raise the temperature of the water. When the temperature rises inside the water storage tank and water vapor accumulates, the air pressure inside the water storage tank will increase. When the pressure is too high to push open the pressure relief component, the water vapor inside the water storage tank can be discharged through the pressure relief component, and then introduced into the steam-liquid separator through the connecting pipe, which is convenient for the steam-liquid separator to separate the water vapor into gas and liquid. Finally, the separated gas can be discharged outwards, and the separated liquid can be discharged downward into the liquid collection tank. When water needs to be replenished into the water storage tank, the water collected in the liquid collection tank can be re-introduced into the water storage tank for secondary use, which is energy-saving and environmentally friendly.

[0007] Preferably, a water outlet pipe is installed at one end of the water storage tank far from the output pipe. An observation window is arranged on the surface of the water storage tank, and a temperature sensor and a float-type liquid level sensor are installed at the upper end of the water storage tank.

[0008] Based on the above features: The set temperature sensor can monitor the temperature inside the water storage tank, and the float-type liquid level sensor can monitor the change of the water level inside the water storage tank.

[0009] Preferably, the conveying component includes a three-way ball valve and a conveying pipe A installed on one side of the three-way ball valve, and a positioning pipe is installed at the upper end of the three-way ball valve.

[0010] Based on the above features: The high-temperature gas is input into the three-way ball valve through the output pipe. Then, it can be introduced into the conveying pipe A or the positioning pipe respectively according to needs, or can be introduced into both the conveying pipe A and the positioning pipe at the same time, which is convenient for heat exchange and heating of the water in the water storage tank.

[0011] Preferably, a first solenoid valve is installed at one end of the conveying pipe A close to the three-way ball valve. The other end of the first solenoid valve is installed with a guiding pipe, and the other end of the guiding pipe is installed with a filter.

[0012] Based on the above features: When the first solenoid valve is in the open state, the high-temperature gas can be introduced into the conveying pipe A for heat exchange. At this time, the temperature of the water will rise, while the temperature of the high-temperature gas will drop. Finally, the cooled gas can be conveyed through the guiding pipe and discharged after being filtered by the filter.

[0013] Preferably, a second solenoid valve is installed at one end of the positioning pipe close to the three-way ball valve. A conveying pipe B is installed on one side of the upper end of the positioning pipe, and discharge pipes are installed at intervals at the lower end of the conveying pipe B.

[0014] Based on the above characteristics: When the first solenoid valve is closed and the second solenoid valve is open, the positioning tube will be in an open state. At this time, the high-temperature gas can be introduced into the interior of the delivery pipe B through the positioning tube, and finally these high-temperature gases will be discharged downward through the discharge pipe, facilitating the direct contact between the high-temperature gas and the water in the water storage tank and improving the heating efficiency of the water.

[0015] Preferably, the pressure relief assembly includes a sealing cover and a sealing plug and a compression spring installed in the inner cavity of the sealing cover. The compression spring is fixedly installed at the upper end of the sealing plug.

[0016] Based on the above characteristics: An exhaust hole is provided at the upper end of the water storage tank, and this hole is located at the lower ends of the sealing cover and the sealing plug. When the water vapor pressure accumulated in the water storage tank is not sufficient to push open the sealing plug, the compression spring will press tightly against the upper end of the sealing plug, facilitating the sealing plug to block the connecting pipe inside the sealing cover. When the water vapor pressure pushes open the sealing plug, the sealing plug will move upward to compress the compression spring and deform it. At this time, one end of the connecting pipe will be exposed, facilitating the water vapor to flow out through the connecting pipe.

[0017] Preferably, a water guide pipe is installed at one end of the liquid collection tank, the other end of the water guide pipe is connected to the water storage tank, and a check valve is installed on the water guide pipe.

[0018] Based on the above characteristics: The liquid collection tank is connected to the water storage tank through the water guide pipe. At this time, the liquid water collected in the liquid collection tank can be introduced into the interior of the water storage tank through the water guide pipe. Due to the setting of the check valve, the situation of the liquid water introduced into the interior of the water storage tank flowing back is avoided.

[0019] The beneficial effects of the present utility model are:

[0020] 1. Start the suction pump to extract high-temperature gas using the drainage pipe. Subsequently, the high-temperature gas is discharged into the three-way ball valve through the output pipe for diversion. When the first solenoid valve is in an open state, the high-temperature gas can be introduced into the interior of the delivery pipe A to exchange heat between the high-temperature gas flowing inside it and the water outside. At this time, the temperature of the water will rise, while the temperature of the high-temperature gas will drop. When the first solenoid valve is closed and the second solenoid valve is open, the positioning tube will be in an open state. At this time, the high-temperature gas can be introduced into the interior of the delivery pipe B through the positioning tube, and finally these high-temperature gases will be discharged downward through the discharge pipe to directly heat the water, facilitating heat exchange and heating of the water in the water storage tank as needed to meet different usage requirements.

[0021] 2. When the water vapor pressure in the water storage tank pushes open the sealing plug, the sealing plug will move upward and squeeze the compression spring to deform. At this time, one end of the connecting pipe will leak out, and the water vapor will be introduced into the steam-liquid separator through the connecting pipe, enabling the steam-liquid separator to separate the water vapor into gas and liquid. Finally, the separated gas can be discharged outward, and the separated liquid can be discharged downward into the liquid collection tank. When it is necessary to replenish water into the water storage tank, the water collected in the liquid collection tank can be re-introduced into the water storage tank for secondary use, avoiding excessive pressure inside the water storage tank and at the same time recycling the generated water vapor. Brief Description of the Drawings

[0022] Figure 1 Schematic diagram of the overall structure of a steam circulation recovery device provided by the present utility model;

[0023] Figure 2 Schematic diagram of the structure of the steam-liquid separator and the liquid collection tank of a steam circulation recovery device provided by the present utility model;

[0024] Figure 3 Schematic diagram of the structure of the conveying component of a steam circulation recovery device provided by the present utility model;

[0025] Figure 4 Internal cross-sectional view of the sealing cover of a steam circulation recovery device provided by the present utility model.

[0026] In the figure: 1, drainage pipe; 2, suction pump; 3, output pipe; 4, water storage tank; 41, water outlet pipe; 42, observation window; 43, temperature sensor; 44, float type liquid level sensor; 5, conveying component; 51, three-way ball valve; 52, conveying pipe A; 521, first solenoid valve; 522, guiding pipe; 523, filter; 53, positioning pipe; 531, second solenoid valve; 532, conveying pipe B; 533, discharge pipe; 6, pressure relief component; 61, sealing cover; 62, sealing plug; 63, compression spring; 7, connecting pipe; 8, steam-liquid separator; 9, liquid collection tank; 91, water guiding pipe; 92, one-way valve. Detailed Embodiment

[0027] The following is a description of the preferred embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustration and explanation of the present utility model, and are not used to limit the present utility model.

[0028] Refer to the attached Figures 1-4, a steam circulation recovery device provided by the utility model includes a drainage pipe 1 and a suction pump 2. One end of the drainage pipe 1 is installed at the input end of the suction pump 2, and an output pipe 3 is installed at the output end of the suction pump 2. The other end of the output pipe 3 is provided with a water storage tank 4 and a conveying component 5. The conveying component 5 is connected to the output pipe 3. A pressure relief component 6 is installed at the upper end of the water storage tank 4. A connecting pipe 7 is installed on one side of the pressure relief component 6. The other end of the connecting pipe 7 is installed with a steam-liquid separator 8. A liquid collection tank 9 is arranged at the bottom of the steam-liquid separator 8.

[0029] Liquid water can be stored in the water storage tank 4 in advance. The end of the drainage pipe 1 far from the suction pump 2 is connected to the exhaust flue on the boiler. When the boiler is in use (the boiler and the exhaust flue are not shown in the figure, which is explained as prior art here), the high-temperature gas can be discharged through the exhaust flue. At the same time, the suction pump 2 is started to extract the high-temperature gas by using the drainage pipe 1. Then the high-temperature gas is discharged into the conveying component 5 through the output pipe 3, and the conveying component 5 can introduce the high-temperature gas into the water storage tank 4 to heat and raise the temperature of the water. When the temperature rises inside the water storage tank 4 and water vapor accumulates, the air pressure inside the water storage tank 4 will increase. When the pressure is large enough to push open the pressure relief component 6, the water vapor inside the water storage tank 4 can be discharged through the pressure relief component 6, and then introduced into the steam-liquid separator 8 through the connecting pipe 7, which is convenient for the steam-liquid separator 8 to separate the water vapor into gas and liquid. Finally, the separated gas can be discharged outwards, and the separated liquid can be discharged downward into the liquid collection tank 9. When it is necessary to replenish water into the water storage tank 4, the water collected in the liquid collection tank 9 can be re-introduced into the water storage tank 4 for secondary use, which is energy-saving and environmentally friendly.

[0030] Preferably, a water outlet pipe 41 is installed at the end of the water storage tank 4 far from the output pipe 3 (the end of the water outlet pipe 41 far from the water storage tank 4 is connected to a steam emitter, and the steam emitter is not shown in the figure, which is well-known prior art and is hereby explained). An observation window 42 is arranged on the surface of the water storage tank 4. A temperature sensor 43 (model: DS18B20) and a float type liquid level sensor 44 (model: JYB / FQ) are installed at the upper end of the water storage tank 4.

[0031] A water injection pipe is arranged at the upper end of the water storage tank 4, which is convenient for timely water injection and replenishment. The change of the water level inside the water storage tank 4 can be directly observed through the observation window 42. The set temperature sensor 43 can monitor the temperature inside the water storage tank 4, and the float type liquid level sensor 44 can monitor the change of the water level inside the water storage tank 4.

[0032] Preferably, the conveying component 5 includes a three-way ball valve 51 and a conveying pipe A52 installed on one side of the three-way ball valve 51. A positioning pipe 53 is installed at the upper end of the three-way ball valve 51.

[0033] The conveying pipe A52 can be a straight pipe type, or a mosquito coil type, a snake type, etc., and there is no specific limitation. It can be set according to needs. The high-temperature gas is input into the inside of the three-way ball valve 51 through the output pipe 3. Subsequently, it can be respectively introduced into the conveying pipe A52 or the positioning pipe 53 according to needs, or can be introduced into both the conveying pipe A52 and the positioning pipe 53 at the same time, which is convenient for heat exchange and heating of the water in the water storage tank 4.

[0034] Preferably, a first solenoid valve 521 is installed at one end of the conveying pipe A52 close to the three-way ball valve 51. The other end of the first solenoid valve 521 is installed with a guiding pipe 522, and the other end of the guiding pipe 522 is installed with a filter 523 (the guiding pipe 522 and the filter 523 are located outside the water storage tank 4).

[0035] When the first solenoid valve 521 is in the open state, the high-temperature gas can be introduced into the inside of the conveying pipe A52. Since the conveying pipe A52 is made of copper material and has good heat conduction performance, at this time, the conveying pipe A52 can exchange heat between the high-temperature gas flowing inside it and the water outside. At the same time, the temperature of the water will rise, while the temperature of the high-temperature gas will drop. Finally, the cooled gas can be conveyed through the guiding pipe 522 and discharged after being filtered by the filter 523.

[0036] Preferably, a second solenoid valve 531 is installed at one end of the positioning pipe 53 close to the three-way ball valve 51. One side of the upper end of the positioning pipe 53 is installed with a conveying pipe B532, and discharge pipes 533 are installed at intervals at the lower end of the conveying pipe B532.

[0037] When the first solenoid valve 521 is closed and the second solenoid valve 531 is open, the positioning pipe 53 will be in the open state. At this time, the high-temperature gas can be introduced into the inside of the conveying pipe B532 through the positioning pipe 53. Finally, these high-temperature gases will be discharged downward through the discharge pipes 533, which is convenient for the high-temperature gas to directly contact the water in the water storage tank 4 and improve the water heating efficiency. When the first solenoid valve 521 is open and the second solenoid valve 531 is closed, the conveying pipe A52 will be in the open state. At this time, the high-temperature gas can enter the inside of the conveying pipe A52 and cannot enter the inside of the positioning pipe 53. When the first solenoid valve 521 and the second solenoid valve 531 are both open, the high-temperature gas can be split by the three-way ball valve 51 and finally flow into the inside of the conveying pipe A52 and the positioning pipe 53.

[0038] Preferably, the pressure relief assembly 6 includes a sealing cover 61 and a sealing plug 62 and a compression spring 63 installed in the inner cavity of the sealing cover 61. The compression spring 63 is fixedly installed at the upper end of the sealing plug 62.

[0039] An exhaust hole is provided at the upper end of the water storage tank 4, and this hole is located at the lower ends of the sealing cover 61 and the sealing plug 62. When the steam pressure accumulated in the water storage tank 4 is not sufficient to push open the sealing plug 62, the compression spring 63 will press tightly against the upper end of the sealing plug 62, facilitating the sealing plug 62 to block the connecting pipe 7 inside the sealing cover 61. When the steam pressure pushes open the sealing plug 62, the sealing plug 62 will move upward to squeeze the compression spring 63 and deform it. At this time, one end of the connecting pipe 7 will be exposed, facilitating the steam to flow out through the connecting pipe 7.

[0040] Preferably, a water guide pipe 91 is installed at one end of the liquid collection tank 9. The other end of the water guide pipe 91 is connected to the water storage tank 4, and a one-way valve 92 is installed on the water guide pipe 91.

[0041] The liquid collection tank 9 is connected to the water storage tank 4 through the water guide pipe 91. At this time, the liquid water collected in the liquid collection tank 9 can be introduced into the water storage tank 4 through the water guide pipe 91. Due to the setting of the one-way valve 92, the situation of the liquid water introduced into the water storage tank 4 flowing back is avoided.

[0042] The use process of the present utility model is as follows: One end of the drainage pipe 1 away from the suction pump 2 is connected to the exhaust flue on the boiler. When the boiler is in use, the high-temperature gas can be discharged through the exhaust flue. At the same time, the suction pump 2 is started to extract the high-temperature gas by using the drainage pipe 1. Subsequently, the high-temperature gas is discharged into the three-way ball valve 51 through the output pipe 3 for diversion. When the first electromagnetic valve 521 is in the open state, the high-temperature gas can be introduced into the conveying pipe A52 to exchange heat between the high-temperature gas flowing inside and the water outside. At this time, the temperature of the water will rise, and the temperature of the high-temperature gas will drop. Finally, the cooled gas can be transported through the guiding pipe 522 and discharged after being filtered by the filter 523. When the first electromagnetic valve 521 is closed and the second electromagnetic valve 531 is opened, the positioning pipe 53 will be in the open state. At this time, the high-temperature gas can be introduced into the conveying pipe B532 through the positioning pipe 53, and finally these high-temperature gases will be discharged downward through the discharge pipe 533 to directly heat the water. When the steam pressure in the water storage tank 4 pushes open the sealing plug 62, the sealing plug 62 will move upward to squeeze the compression spring 63 and deform it. At this time, one end of the connecting pipe 7 will be exposed, and the steam will be introduced into the steam-liquid separator 8 through the connecting pipe 7, enabling the steam-liquid separator 8 to perform gas-liquid separation on the steam. Finally, the separated gas can be discharged outward, and the separated liquid can be discharged downward into the liquid collection tank 9. When it is necessary to replenish water into the water storage tank 4, the water collected in the liquid collection tank 9 can be re-introduced into the water storage tank 4 for secondary utilization.

[0043] The above are only the preferred embodiments of the present utility model. Any person skilled in the art may modify the present utility model by using the technical solutions described above or modify it into equivalent technical solutions. Therefore, any simple modification or equivalent replacement made according to the technical solutions of the present utility model falls within the scope of protection required by the present utility model.

Claims

1. A steam recycling recovery device, comprising a drainage pipe (1) and a suction pump (2), wherein one end of the drainage pipe (1) is installed at the input end of the suction pump (2), characterized in that: An output pipe (3) is installed at the output end of the suction pump (2); a water storage tank (4) and a conveying assembly (5) are provided at the other end of the output pipe (3); the conveying assembly (5) is connected to the output pipe (3); a pressure relief assembly (6) is installed at the upper end of the water storage tank (4); a connecting pipe (7) is installed on one side of the pressure relief assembly (6); a gas-liquid separator (8) is installed at the other end of the connecting pipe (7); and a liquid collecting tank (9) is provided at the bottom of the gas-liquid separator (8).

2. A steam cycle recovery device according to claim 1, characterized in that: A water outlet pipe (41) is installed at one end of the water storage tank (4) away from the output pipe (3), an observation window (42) is provided on the surface of the water storage tank (4), and a temperature sensor (43) and a float type liquid level sensor (44) are installed at the upper end of the water storage tank (4).

3. A steam cycle recovery device according to claim 1, characterized in that: The conveying assembly (5) comprises a three-way ball valve (51) and a conveying pipe A (52) installed on one side of the three-way ball valve (51), and a positioning pipe (53) is installed on the upper end of the three-way ball valve (51).

4. A steam cycle recovery device according to claim 3, characterized in that: A first solenoid valve (521) is installed at one end of the delivery pipe A (52) close to the three-way ball valve (51), a guide pipe (522) is installed at the other end of the first solenoid valve (521), and a filter (523) is installed at the other end of the guide pipe (522).

5. A steam cycle recovery device according to claim 3, characterized in that: A second solenoid valve (531) is installed at one end of the positioning tube (53) close to the three-way ball valve (51), a delivery tube B (532) is installed on one side of the upper end of the positioning tube (53), and a discharge tube (533) is installed at a distance at the lower end of the delivery tube B (532).

6. A steam cycle recovery device according to claim 1, characterized in that: The pressure relief assembly (6) comprises a sealing cover (61), a sealing plug (62) and a compression spring (63) installed in the inner cavity of the sealing cover (61), and the compression spring (63) is fixedly installed on the upper end of the sealing plug (62).

7. A steam cycle recovery device according to claim 1, characterized in that: A water guide pipe (91) is installed at one end of the liquid collecting tank (9), the other end of the water guide pipe (91) is connected to the water storage tank (4), and a one-way valve (92) is installed on the water guide pipe (91).

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