Corrosion-resistant and high-temperature-resistant flash tank

Abstract

The utility model discloses a corrosion-resistant and high-temperature-resistant flash tank. The corrosion-resistant and high-temperature-resistant flash tank comprises a tank body, a spraying structure, two uniform distributors and two flash structures, according to the corrosion-resistant and high-temperature-resistant flash tank, the corrosion-resistant lining in the tank body is used for achieving the corrosion-resistant effect, so that the flash tank can be applied to a scene with relatively large corrosion, and the service life of the flash tank is prolonged; the spraying structure is used for spraying fluid to the two flash evaporation structures, the two flash evaporation structures can help the fluid to conduct rapid flash evaporation, the gas-liquid separation rate is increased, and therefore the flash evaporation efficiency is improved; the uniform distributor can play a role in supporting the flash evaporation structure, and meanwhile, the fluid can uniformly fall on the flash evaporation structure on the lower side, and the process of the gas-liquid separator can be continued while the fluid uniformly falls.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flash tank, especially a flash tank of corrosion resistance and high temperature resistance. BACKGROUND

[0002] Flash is that saturated water under high pressure enters a container under lower pressure, and the saturated water becomes saturated water vapor and saturated water under the pressure of the container due to the sudden reduction of pressure. The function of the flash tank is to provide space for rapid gasification and gas-liquid separation of fluid. In industrial production, strong acid or strong base is usually used as a leaching solvent, so the fluid produced in industrial production usually has strong corrosiveness, which affects the service life of the flash tank. Therefore, a flash tank of corrosion resistance and high temperature resistance is proposed. SUMMARY

[0003] The utility model provides a flash tank of corrosion resistance and high temperature resistance, has good corrosion resistance, and has long service life.

[0004] Technical scheme: the flash tank of corrosion resistance and high temperature resistance provided by the utility model comprises a tank body, a spraying structure, two uniform distributors and two flash structures. The tank body comprises two cylindrical tank bodies and two tank covers. The two cylindrical tank bodies are coaxially vertically butted and installed. The two tank covers are respectively installed on the upper cylinder port of the upper cylindrical tank body and the lower cylinder port of the lower cylindrical tank body. A corrosion-resistant lining is arranged in the tank body. The two uniform distributors are respectively installed in the two cylindrical tank bodies and are used for uniformly distributing fluid. The two flash structures are respectively installed on the two cylindrical tank bodies and are respectively supported on the two uniform distributors and are used for gas-liquid separation of fluid. The spraying structure is installed on the upper cylindrical tank body and is used for fluid spraying of the flash structure.

[0005] Further, the corrosion-resistant lining comprises two tank body linings and two cover plate linings. The two tank body linings are respectively installed on the inner walls of the two cylindrical tank bodies. Installation flanges are arranged at the two cylinder ports of the cylindrical tank body. Lining flanges are arranged on the two ends of the tank body lining and are fitted with the two installation flanges. Material pipes are communicated on the two tank covers. The two cover plate linings are respectively installed on the two tank covers. A pipe body lining is arranged in the material pipe and is communicated with the cover plate lining.

[0006] Further, a plurality of buckle grooves are arranged on the inner walls of the cylindrical tank body and the tank covers. Buckle protrusions are arranged in the buckle grooves of the tank body lining and the cover plate lining. Arc-shaped strips are fixed on the buckle grooves and penetrate the corresponding buckle protrusions.

[0007] Further, a ring-shaped groove with a dovetail-shaped cross section is arranged on each installation flange. A ring-shaped wedge strip is arranged in the corresponding ring-shaped groove of each lining flange.

[0008] Further, the distributor comprises a distributor hole plate and a reinforcing ring; a reinforcing rib is integrally arranged on the inner edge of the reinforcing ring and separates the inner hole of the reinforcing ring into a distributor hole and a gas passage hole; reinforcing steel bars are arranged in the reinforcing ring and the reinforcing rib; the distributor hole plate is arranged on the distributor hole; support rings are arranged on the inner walls of the corrosion-resistant inner liners of the two cylindrical tank bodies; the reinforcing rings of the two distributors are supported on the two support rings respectively.

[0009] Further, the spraying structure comprises a spraying liquid pipe and two branch liquid pipes; one end of the spraying liquid pipe horizontally extends into the upper cylindrical tank body; the two branch liquid pipes are fixed in communication on the spraying liquid pipe; a plurality of spraying heads are installed in communication on the spraying liquid pipe and the two branch liquid pipes; a plurality of spraying holes are arranged on each spraying head.

[0010] Further, the flash evaporation structure comprises a spiral coil pipe and two straight pipes; one end of each of the two straight pipes extends into the tank liner; the spiral coil pipe is connected in communication to the extending ends of the two straight pipes and is supported on the corresponding distributor hole plate; corrosion-resistant outer sleeve pipes are wrapped on the spiral coil pipe and the two straight pipes.

[0011] Further, an ear is arranged on the upper tank cover; a foot is arranged on the lower tank cover.

[0012] Compared with the prior art, the utility model has the advantages that: the corrosion-resistant inner liner in the tank body plays a corrosion-resistant effect, so that the flash evaporation tank can be applied to a scene with large corrosion, and the service life of the flash evaporation tank is improved; the spraying structure is used to spray fluid on the two flash evaporation structures, the two flash evaporation structures can help the fluid to be rapidly flash evaporated, the rate of gas-liquid separation is accelerated, and thus the flash evaporation efficiency is improved; the distributor can support the flash evaporation structure and make the fluid uniformly fall on the lower flash evaporation structure, and the process of gas-liquid separation is continued while the fluid uniformly falls. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a partial sectional view of the utility model;

[0015] Figure 3 It is a plan view of the spraying structure of the utility model;

[0016] Figure 4 It is a plan view of the distributor of the utility model;

[0017] Figure 5 It is a sectional view of the distributor of the utility model;

[0018] In the diagram: 1. Cylindrical tank body; 2. Mounting flange; 3. Tank body lining; 4. Annular wedge; 5. Feed pipe; 6. Tank cover; 7. Pipe lining; 8. Cover plate lining; 9. Arc strip; 10. Clip groove; 11. Lifting lug; 13. Spiral coil; 14. Straight pipe; 15. Spray liquid pipe; 16. Branch liquid pipe; 17. Spray head; 18. Spray bracket; 19. Support ring; 20. Evenly distributed perforated plate; 21. Reinforcing ring; 22. Reinforcing rib; 23. Vent hole; 24. Reinforcing steel bar; 25. Support leg. Detailed Implementation

[0019] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings, but the protection scope of this utility model is not limited to the described embodiments.

[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0021] In the description of this utility model, it should be understood that the terms "left", "right", "front", "back", "up", "down", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] Example 1:

[0023] like Figures 1-5 As shown, the present invention provides a corrosion-resistant and high-temperature-resistant flash tank comprising: a tank body, a spray structure, two distributors, and two flash structures; the tank body includes two cylindrical tank bodies 1 and two tank covers 6; the two cylindrical tank bodies 1 are coaxially and vertically connected; the two tank covers 6 are respectively installed over the upper opening of the upper cylindrical tank body 1 and the lower opening of the lower cylindrical tank body 1; a corrosion-resistant liner is provided inside the tank body; the two distributors are respectively installed inside the two cylindrical tank bodies 1 for uniformly distributing fluid; the two flash structures are respectively installed on the two cylindrical tank bodies 1 and supported on the two distributors for gas-liquid separation of the fluid; the spray structure is installed on the upper cylindrical tank body 1 for spraying fluid onto the flash structures.

[0024] The corrosion-resistant lining in the tank body has an anticorrosion effect, so that the flash tank can be applied to a scene with greater corrosion and the service life of the flash tank is improved; the spraying structure sprays fluid on the two flash structures, the two flash structures can help the fluid to flash quickly and accelerate the rate of gas-liquid separation, thereby improving the flash efficiency; the distributor can support the flash structure and make the fluid fall evenly on the lower flash structure, so that the fluid can continue the gas-liquid separation process while falling evenly.

[0025] Further, the corrosion-resistant lining includes two tank body linings 3 and two cover plate linings 8; the two cylindrical tank bodies 1 are each provided with a mounting flange 2 at the two cylinder openings; the two tank body linings 3 are respectively mounted on the inner walls of the two cylindrical tank bodies 1; the tank body linings 3 are each provided with a lining turn-up at the two ends, which fits the two mounting flanges 2; the two tank covers 6 are each integrally provided with a material pipe 5; the two cover plate linings 8 are respectively mounted on the two tank covers 6; the material pipe 5 is provided with a pipe body lining 7 integrally connected to the cover plate lining 8.

[0026] The edge of one tank cover 6 is pull-mounted with the upper mounting flange 2 of the upper cylindrical tank body 1, the lower mounting flange 2 of the upper cylindrical tank body 1, the upper mounting flange 2 of the lower cylindrical tank body 1, and the lower mounting flange 2 of the lower cylindrical tank body 1 and the edge of the other tank cover 6.

[0027] The tank body linings 3 and the cover plate linings 8 have a corrosion-resistant protective effect on the cylindrical tank bodies 1 and the tank covers 6, and the separated structure makes the tank body easy to disassemble and maintain; the lining turn-up fits the corresponding mounting flange 2, which can prevent leakage during installation and protect the connection of the tank body.

[0028] Further, the inner walls of the cylindrical tank bodies 1 and the tank covers 6 are each provided with a plurality of buckle grooves 10; the tank body linings 3 and the cover plate linings 8 are each integrally provided with a buckle protrusion embedded in each buckle groove 10; each buckle groove 10 is fixed with an arc-shaped strip 9 penetrating through the corresponding buckle protrusion.

[0029] The cooperation between the buckle grooves 10, the buckle protrusions, and the arc-shaped strips 9 can improve the fit of the tank body linings 3 and the cover plate linings 8, preventing the tank body linings 3 and the cover plate linings 8 from detaching from the cylindrical tank bodies 1 and the tank covers 6 during use.

[0030] Further, each mounting flange 2 is provided with an annular groove with a dovetail-shaped cross section; each lining turn-up is integrally provided with an annular wedge strip 4 embedded in the corresponding annular groove. The cooperation between the annular wedge strip 4 and the annular groove improves the fit of the end of the tank body lining 3 and the lining turn-up.

[0031] Further, the distributor comprises a distributor hole plate 20 and a reinforcing ring 21; a reinforcing rib 22 is integrally connected on the inner edge of the reinforcing ring 21; reinforcing steel bars 24 are arranged in the reinforcing ring 21 and the reinforcing rib 22; the reinforcing rib 22 divides the inner circular hole of the reinforcing ring 21 into a distributor hole and a gas passage hole 23; the distributor hole plate 20 is integrally covered on the distributor hole; and the upper side of the distributor hole plate 20 is lower than the upper edge of the reinforcing ring 21;

[0032] A support ring 19 is integrally arranged on the lower side of the inner wall of each of the two tank body linings 3; the reinforcing ring 21 of each of the two distributors is supported on the two support rings 19 respectively.

[0033] The cooperation among the reinforcing ring 21, the reinforcing rib 22 and the reinforcing steel bars 24 makes the distributor have high structural strength and reduces the possibility of bending deformation; the distributor hole plate 20 plays a role in fluid distribution; the gas passage hole 23 is used for gas passage to prevent the upward moving gas from affecting the distribution effect of the distributor hole plate 20.

[0034] Further, the spraying structure comprises a spraying liquid pipe 15 and two branch liquid pipes 16; one end of the spraying liquid pipe 15 horizontally extends into the tank body lining 3 of the upper side tubular tank body 1; a spraying support 18 supported on the reinforcing rib 22 is mounted on the extending end of the spraying liquid pipe 15; the two branch liquid pipes 16 are fixed in communication on the spraying liquid pipe 15, and the spraying liquid pipe 15 and the two branch liquid pipes 16 are in cross shape in the top view state; a plurality of spraying heads 17 are mounted in communication on the lower side pipe walls of the spraying liquid pipe 15 and the two branch liquid pipes 16; and a plurality of spraying holes are arranged on each of the spraying heads 17. The spraying heads 17 on the spraying liquid pipe 15 and the two branch liquid pipes 16 can uniformly spray the fluid on the upper side flash evaporation structure, thereby improving the flash evaporation efficiency.

[0035] Further, the flash evaporation structure comprises a spiral coil pipe 13 and two straight pipes 14; one end of each of the two straight pipes 14 extends into the tank body lining 3; the two ends of the spiral coil pipe 13 are connected in communication and docking on the extending ends of the two straight pipes 14, and the spiral coil pipe 13 is in a tower shape with the lower side wider and the upper side narrower in the front view state, and the spiral coil pipe 13 is supported on the corresponding distributor hole plate 20; corrosion-resistant sleeve pipes are wrapped on the spiral coil pipe 13 and the two straight pipes 14.

[0036] The spiral coil pipe 13 and the two straight pipes 14 are used to pass the temperature exchange liquid of the required temperature according to the flash evaporation requirement, so that the low-temperature fluid falls on the high-temperature spiral coil pipe 13 to rapidly boil to realize gas-liquid separation, the high-temperature and high-pressure fluid enters the low-pressure tank body and falls on the low-temperature spiral coil pipe 13, the boiling point is rapidly vaporized with the low temperature, the gas-liquid separation is accelerated, and thus the rate of gas-liquid separation is improved.

[0037] Further, two lifting lugs 11 are arranged on the upper tank cover 6; four feet 25 are arranged on the lower tank cover 6.

[0038] The corrosion-resistant and high-temperature-resistant flash tank has the advantages that the tank body lining 3, the cover plate lining 8, the spray liquid pipe 15, the branch liquid pipe 16, the spray head 17, the spray support 18, the uniform distribution orifice plate 20, the reinforcing ring 21, the reinforcing rib 22 and the corrosion-resistant sleeve pipe are all made of the existing corrosion-resistant material polytetrafluoroethylene.

[0039] As described above, although the utility model has been shown and described with reference to specific preferred embodiments, it must not be interpreted as a limitation on the utility model itself. Various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined by the appended claims.

Claims

1. A corrosion and high temperature resistant flash tank characterized by: The utility model provides a kind of tank, including spray structure, two equalizers and two flash structures;Tank includes two cylindrical tank body (1) and two tank covers (6);Two cylindrical tank body (1) coaxial vertical butt joint installation;Two tank covers (6) are respectively covered and installed on the upper tube mouth of upper side cylindrical tank body (1) and the lower tube mouth of lower side cylindrical tank body (1);Corrosion-resistant lining is provided in tank;Two equalizers are respectively installed in two cylindrical tank body (1), for equal distribution fluid;Two flash structures are respectively installed on two cylindrical tank body (1), and are respectively supported on two equalizers, for fluid gas-liquid separation; Spray structure is installed on the upper side of cylindrical tank body (1), for fluid spray to flash structure.

2. The corrosion and high temperature resistant flash tank of claim 1, wherein: Corrosion-resistant lining includes two tank body linings (3) and two cover plate linings (8);Two tank body linings (3) are respectively installed on the inner wall of two cylindrical tank body (1);Installation flange (2) is provided at the two tube mouths of cylindrical tank body (1);Tank body lining (3) is provided with lining turnup fitting two installation flanges (2) on both ends;Go material pipe (5) is communicated and provided on two tank covers (6);Two cover plate linings (8) are respectively installed on two tank covers (6);Pipe body lining (7) is provided in go material pipe (5) and is communicated on cover plate lining (8).

3. The corrosion and high temperature resistant flash tank of claim 2, wherein: A plurality of buckle grooves (10) are provided on the inner wall of cylindrical tank body (1) and tank cover (6);Buckle protrusions are embedded in each buckle groove (10) on tank body lining (3) and cover plate lining (8);Arc-shaped strips (9) are fixed on each buckle groove (10) and penetrate the corresponding buckle protrusions.

4. The corrosion and high temperature resistant flash tank of claim 2, wherein: A cross-section dovetail-shaped annular groove is provided on each installation flange (2);An annular wedge (4) is embedded in the corresponding annular groove on each lining turnup.

5. The corrosion and high temperature resistant flash tank of claim 1, wherein: The equalizer includes a uniform distribution hole plate (20) and a reinforcing ring (21);The inner edge of the reinforcing ring (21) is integrally provided with a reinforcing rib (22) that divides the inner circular hole of the reinforcing ring (21) into a uniform distribution hole and a gas passage (23);Reinforcing steel bars (24) are provided in the reinforcing ring (21) and the reinforcing rib (22);The uniform distribution hole plate (20) is covered on the uniform distribution hole;Support rings (19) are provided on the corrosion-resistant lining inner wall of the two cylindrical tank bodies (1);The reinforcing rings (21) of the two equalizers are respectively supported on the two support rings (19).

6. The corrosion and high temperature resistant flash tank of claim 1, wherein: The spray structure includes a spray liquid pipe (15) and two branch liquid pipes (16);One end of the spray liquid pipe (15) horizontally extends into the upper side of the cylindrical tank body (1);The two branch liquid pipes (16) are fixed in communication on the spray liquid pipe (15);A plurality of spray heads (17) are installed in communication on the spray liquid pipe (15) and the two branch liquid pipes (16);A plurality of spray holes are provided on each spray head (17).

7. The corrosion and high temperature resistant flash tank of claim 1, wherein: The flash structure comprises a spiral coil pipe (13) and two straight pipes (14); one end of each of the two straight pipes (14) extends into the tank body inner liner (3); the spiral coil pipe (13) is communicated and butt-jointed on the extending end of the two straight pipes (14) and is supported on the corresponding uniform distribution orifice plate (20); the spiral coil pipe (13) and the two straight pipes (14) are all coated with a corrosion-resistant outer sleeve pipe.

8. The corrosion and high temperature resistant flash tank of claim 1, wherein: A lifting lug (11) is arranged on the upper tank cover (6); a supporting leg (25) is arranged on the lower tank cover (6).

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