High-temperature and high-pressure desorption and pressure relief steam-water vapor separation device

Abstract

The utility model relates to a high-temperature and high-pressure desorption and pressure relief steam-water vapor separation device which comprises a steam pipe, the steam pipe is connected with an air inlet of a first-stage condenser, an air outlet of the first-stage condenser is connected with an air inlet of a second-stage condenser, and an air outlet of the second-stage condenser is connected with a water vapor inlet in the side wall of the water vapor separation device. A demisting layer and an inclined screw mechanism are arranged in the water vapor separation device from top to bottom, the demisting layer is connected to the inner wall, and the top inclined surface of the inclined screw mechanism is connected to the inner wall above the water vapor inlet, so that the water vapor inlet is just communicated with a top screw blade of the inclined screw mechanism; a gap exists between the edge and the inner wall of a spiral blade of the inclined spiral mechanism, the center of the inclined spiral mechanism is provided with a gas channel communicated with the demisting layer, the side wall of the upper part of the demisting layer is provided with a gas exhaust port, the gas exhaust port is connected with a discharge chimney, and the bottom of the water-vapor separation device is provided with a liquid outlet. The device has a remarkable water-steam separation effect on desorption pressure relief steam, and is good in economic and environment-friendly benefits.

Description

Technical Field

[0001] The utility model relates to the technical field of water vapor separation, in particular to a high-temperature and high-pressure desorption and pressure-release steam water vapor separation device. Background Art

[0002] In existing domestic gold companies, the steam generated by high-temperature and high-pressure desorption electrolysis pressure relief is discharged at a temperature of 140-155°C and a pressure of 0.45-0.55MPa. It is usually discharged directly to the air or discharged after simple cooling treatment. The discharged steam is mainly composed of steam and small droplets of desorption liquid. Due to the high steam discharge temperature, it will condense at the discharge port and present a serious "white smoke" phenomenon. The condensed weak alkaline droplets will cause corrosion to the surrounding structures of the discharge port, which is not environmentally friendly and also causes a certain degree of waste of desorption liquid.

[0003] Therefore, a device for separating water vapor from high-temperature and high-pressure desorption and pressure-release steam is developed to separate and recover the desorption liquid in the steam, reduce the desorption liquid content in the exhaust gas, and reduce the environmental impact caused by the emission. Utility Model Content

[0004] The utility model provides a high-temperature and high-pressure desorption and pressure-releasing steam water vapor separation device.

[0005] The specific technical scheme of the utility model is: a high-temperature and high-pressure desorption and pressure relief steam water vapor separation device, comprising a steam pipe, the steam pipe is connected to the air inlet of a primary condenser, the air outlet of the primary condenser is connected to the air inlet of a secondary condenser, the air outlet of the secondary condenser is connected to the water vapor inlet of the side wall of the water vapor separation device, a demisting layer and an inclined spiral mechanism are sequentially arranged inside the water vapor separation device from top to bottom, the demisting layer is connected to the inner wall, the top inclined surface of the inclined spiral mechanism is connected to the inner wall above the water vapor inlet, so that the water vapor inlet is just connected to the top spiral blade of the inclined spiral mechanism, there is a gap between the edge of the spiral blade of the inclined spiral mechanism and the inner wall, a gas channel connected to the demisting layer is arranged at the center of the inclined spiral mechanism, a gas exhaust port is arranged on the upper side wall of the demisting layer, the gas exhaust port is connected to the exhaust chimney, and a liquid discharge port is arranged at the bottom of the water vapor separation device.

[0006] Further, preferably, the liquid discharge port is connected to a desorption liquid distribution tank.

[0007] Further, preferably, an electric control valve is installed on the drain port.

[0008] Furthermore, preferably, a liquid level sensor is also installed inside the water vapor separation device, and the liquid level sensor is installed below the inclined spiral mechanism.

[0009] Further, preferably, the gas inlet of the gas channel is funnel-shaped.

[0010] The beneficial effects of the utility model are as follows: the utility model effectively realizes the water vapor separation of high-temperature and high-pressure desorption and decompression steam through two-stage cooling and a water vapor separation device, and the water vapor separation device realizes two-stage separation through an inclined spiral mechanism and a demisting layer, with significant separation effect, so that more than 95% of the desorption liquid in the steam can be recycled, effectively reducing the liquid content in the exhaust gas, significantly improving the "white smoke" phenomenon of the exhaust, and having great environmental significance. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a front view of a high-temperature and high-pressure desorption and pressure-relieving steam and water vapor separation device of the utility model;

[0012] Figure 2 for Figure 1 Schematic diagram of the internal structure of the water vapor separation device;

[0013] In the figure: 1-steam pipe; 2-primary water condenser; 3-secondary water condenser; 4-water vapor separation device, 401-demist layer, 402-water vapor inlet, 403-inclined spiral mechanism, 404-gas channel, 405-liquid level sensor, 406-electric control valve, 407-liquid discharge port, 408-gas discharge port; 5-desorption liquid distribution tank; 6-discharge chimney. DETAILED DESCRIPTION

[0014] In order to make the technical problems and technical solutions solved by the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0015] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0016] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] like Figure 1 Figure 2 As shown, a high-temperature and high-pressure desorption and pressure-releasing steam water vapor separation device comprises a steam pipe 1, the steam pipe 1 is connected to the air inlet of the primary condenser 2, the air outlet of the primary condenser 2 is connected to the air inlet of the secondary condenser 3, the air outlet of the secondary condenser 3 is connected to the water vapor inlet 402 of the side wall of the water vapor separation device 4, and the water vapor separation device 4 is provided with a demisting layer 401 and an inclined spiral mechanism 403 in sequence from top to bottom, the demisting layer 401 is connected to the inner wall, and the top slope of the inclined spiral mechanism 403 is connected to the water vapor inlet 40 2, so that the water vapor inlet 402 is just connected to the top spiral blade of the inclined spiral mechanism 403, there is a gap between the edge of the spiral blade of the inclined spiral mechanism 403 and the inner wall, the center of the inclined spiral mechanism 403 is provided with a gas channel 404 connected to the demisting layer 401, the air inlet at the bottom of the gas channel 404 is funnel-shaped, the upper side wall of the demisting layer 401 is provided with a gas outlet 408, the gas outlet 408 is connected to the discharge chimney 6, and the bottom of the water vapor separation device 4 is provided with a liquid discharge port 407.

[0018] Working principle: high-temperature and high-pressure desorption electrolysis pressure relief steam enters the primary condenser 2 and the secondary condenser 3 in sequence through the steam pipe 1 for cooling, and enters the water vapor separation device 4 after cooling. The steam will move in a spiral motion along the spiral blades of the inclined spiral mechanism 403, and centrifugal force will be generated during the spiral motion. The desorption liquid droplets with higher density in the steam will be thrown toward the inner wall. Once the droplets contact the inner wall, they will lose their inertial force, and slide down along the inner wall surface by the momentum of the air flow entry speed and their own gravity, and gather at the bottom of the water vapor separation device 4, so as to realize the recovery of the desorption liquid droplets in the steam; and the gas in the steam will enter the gas channel 404 at the bottom center of the inclined spiral mechanism 403, move from bottom to top, and then pass through the demisting layer 401 to remove a small amount of mixed liquid, and then be transported from the gas outlet 408 to the exhaust chimney 6 for emptying.

[0019] The demisting layer 401 can be made of FRP filling material, similar to the multi-layer FRP material structure installed in the existing defogger. When the mist-containing gas moves upward at a certain speed, it will collide with the multi-layer FRP material under the action of inertia and adhere to its surface. After diffusion and gravity, it will gradually gather. When the weight reaches a certain amount, the collected liquid will separate from the FRP material and fall into the bottom of the water vapor separation device 4 through the gas channel 404 again, while the gas continues to move upward and is discharged.

[0020] Preferably, the above-mentioned drain port 407 is connected to the desorption liquid distribution tank 5, and an electric control valve 406 is installed on the drain port 407. A liquid level sensor 405 is also installed inside the water vapor separation device 4, and the liquid level sensor 405 is installed below the inclined spiral mechanism 403. In this arrangement, by controlling the connection between the liquid level sensor 405 and the electric control valve 406, when the level of the desorption liquid gathered at the bottom of the water vapor separation device 4 reaches the set threshold, the liquid level sensor 405 transmits a signal to the electric control valve 406, so that the electric control valve 406 opens to drain the liquid, and the discharged liquid is directly returned to the desorption liquid distribution tank 5 for recycling. When the drainage is completed, the electric control valve 406 is closed, and the operation is repeated until the water vapor separation is completed.

[0021] The present invention is described in detail above through specific and preferred embodiments, but those skilled in the art should understand that the present invention is not limited to the embodiments described above, and any modifications, equivalent substitutions, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-temperature and high-pressure desorption and pressure-release steam water vapor separation device, characterized in that: The invention comprises a steam pipe (1), wherein the steam pipe (1) is connected to an air inlet of a primary condenser (2), an air outlet of the primary condenser (2) is connected to an air inlet of a secondary condenser (3), and an air outlet of the secondary condenser (3) is connected to a water vapor inlet (402) on a side wall of a water vapor separation device (4), wherein a demisting layer (401) and an inclined spiral mechanism (403) are sequentially arranged inside the water vapor separation device (4) from top to bottom, wherein the demisting layer (401) is connected to an inner wall, and a top inclined surface of the inclined spiral mechanism (403) is connected to the water vapor inlet (402). 2) an inner wall at the top, so that the water vapor inlet (402) is just connected to the top spiral blade of the inclined spiral mechanism (403), there is a gap between the edge of the spiral blade of the inclined spiral mechanism (403) and the inner wall, the center of the inclined spiral mechanism (403) is provided with a gas channel (404) connected to the demisting layer (401), the upper side wall of the demisting layer (401) is provided with a gas outlet (408), the gas outlet (408) is connected to the exhaust chimney (6), and the bottom of the water vapor separation device (4) is provided with a liquid discharge port (407).

2. A high-temperature and high-pressure desorption and pressure-release steam water vapor separation device according to claim 1, characterized in that: The liquid discharge port (407) is connected to the desorption liquid distribution tank (5).

3. A high-temperature and high-pressure desorption and pressure-release steam water vapor separation device according to claim 1, characterized in that: An electric control valve (406) is installed on the liquid discharge port (407).

4. A high-temperature and high-pressure desorption and pressure-release steam water vapor separation device according to claim 1, characterized in that: A liquid level sensor (405) is also installed inside the water vapor separation device (4), and the liquid level sensor (405) is installed below the inclined spiral mechanism (403).

5. A high-temperature and high-pressure desorption and pressure-release steam water vapor separation device according to claim 1, characterized in that: The gas inlet of the gas channel (404) is funnel-shaped.

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