CN211585265U - Flash tank with liquid reservoir - Google Patents
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- CN211585265U CN211585265U CN201922263432.2U CN201922263432U CN211585265U CN 211585265 U CN211585265 U CN 211585265U CN 201922263432 U CN201922263432 U CN 201922263432U CN 211585265 U CN211585265 U CN 211585265U
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Abstract
The utility model relates to a flash tank with a liquid reservoir, which comprises a tank body, wherein a rectangular bottom plate is fixed at the bottom, a circular cover plate is welded at the upper part, and the liquid reservoir is arranged at the lower part; the upper part of the tank body is provided with a liquid inlet, the lower part of the tank body is provided with a liquid outlet, and the rectangular bottom plate is provided with an overflow groove; the overflow groove is cylindrical, and a vortex-proof plate is arranged in the overflow groove; a splitter plate is arranged in the tank body, the splitter plate is fan-shaped, and the arc edge of the splitter plate is fixed on the inner wall of the tank body close to the liquid inlet end; the liquid storage device is cylindrical, and the lower part of the liquid storage device is provided with a communicating pipe; the upper part of the liquid storage device is fixed on the outer side of the tank body; the lower part of the circular cover plate is provided with a slow flow cylinder positioned in the tank body; the lower part of the circular cover plate is also provided with a guide cylinder, the guide cylinder is positioned inside the slow flow cylinder, and the outer diameter of the guide cylinder is smaller than the inner diameter of the slow flow cylinder; the circular cover plate is provided with an air outlet which penetrates through the circular cover plate; the round cover plate is provided with a vent hole and a safety valve, and the safety valve and the vent hole are positioned between the slow flow cylinder and the guide cylinder at the opening on the lower surface of the round cover plate.
Description
Technical Field
The utility model relates to an adopt the device field of distillation separation liquid and gas rapidly, especially a take flash tank of reservoir.
Background
The boiling point of the liquid is increased along with the increase of the pressure, and the lower the pressure is, the lower the boiling point is; the flash tank utilizes the characteristic of liquid, and after the high-pressure high-temperature liquid is decompressed by the decompression valve, the boiling point of the high-pressure high-temperature liquid is reduced and the high-pressure high-temperature liquid enters the flash tank. At this time, the liquid temperature is higher than the boiling point under the pressure, boiling and vaporizing are carried out in a flash tank rapidly, and two phases are separated; the flash tank provides space for rapid liquid vaporization and vapor-liquid separation; after the liquid in the flash tank is subjected to two-phase separation, the gas is generally discharged from the upper part, and the liquid is discharged from the lower part, and enters into respective reflux channels for reflux.
In the use process of the flash tank, because liquid needs to be rapidly evaporated, a certain temperature needs to be kept in the tank body to provide energy for evaporation, a heat-insulating layer is wrapped outside the tank body generally to reduce the dissipation of the heat of the tank body, so that certain inconvenience is brought to liquid level observation, a conventional observation mirror or a liquid level indicating device and the like are directly arranged on the tank body, a larger opening is formed when the heat-insulating layer is arranged, the heat-insulating effect is influenced, and the flash tank is also not suitable for being closely observed by people when arranged on the tank body with higher temperature; in order to solve this problem, chinese utility model patent: the flash tank (No. CN209108895U) discloses a flash tank structure, which comprises a tank body, a supporting base, an air inlet pipe, an air outlet pipe, a pressure relief pipe, a moisture absorption device, a drainage assembly, a liquid level indicating device and a control device; the supporting base is arranged at the bottom of the tank body; the air inlet pipe is communicated with the inner cavity of the tank body, and the other end of the air inlet pipe is communicated with external waste gas generation equipment; the gas outlet pipe is communicated with the inner cavity of the tank body, and the other end of the gas outlet pipe is communicated with external gas using equipment; the pressure relief pipe is communicated with the inner cavity of the tank body, the other end of the pressure relief pipe is communicated with the outside, and a pressure relief valve is arranged on the pipe body of the pressure relief pipe; the moisture absorption device is arranged in the inner cavity of the tank body; the drainage component comprises a drainage pipe, one end of the drainage pipe is connected to the bottom of the tank body and communicated with the inner cavity of the tank body, the other end of the drainage pipe is communicated with the outside, and a drainage valve is arranged on the drainage pipe; the liquid level indicating device is positioned at the lower part of the tank body; the control device is electrically connected with the pressure release valve and the drain valve respectively; the problem of observation can be solved to the liquid level indicating device of circumscribed, but gaseous intake pipe from upper portion gets into the back, has certainly partly direct upwards to discharge through the outlet duct through moisture absorption device, even can obtain better drying effect, but moisture absorption device's change cycle must shorten, needs often to change.
The structure of the flash tank is as the Chinese invention patent application: as shown in a multi-stage flash tank (application publication No. CN107854858A), at least one flash baffle and at least one overflow baffle are arranged in a tank body, one end edge of each flash baffle is suspended downwards, the other edges of each flash baffle are connected with the inner wall of the tank body, one end edge of each overflow baffle is suspended upwards, and the other edges of each overflow baffle are connected with the inner wall of the tank body; the flash evaporation partition plates and the overflow partition plates are alternately arranged in an opposite manner, the suspended ends of the adjacent partition plates are partially overlapped in the vertical direction, a certain gap is also left between the overlapped parts of the adjacent partition plates, and the gap divides the inner cavity of the tank body into a plurality of cavities which are sequentially communicated end to end; in the continuous production process, a plurality of flash evaporation cavities in the tank body can carry out flash evaporation in different degrees; another patent application is as follows: a flash tank (application publication No. CN103212213A) comprises a tank body, a feed inlet, a discharge outlet and an evacuation port, wherein the feed inlet is arranged in the middle of the tank body, and an alkali liquor outlet of the feed inlet faces downwards; at least two flow distribution plates in a disc-shaped container shape are arranged below an alkali liquor outlet of the feeding port, the adjacent flow distribution plates are arranged in a staggered manner in the height direction and the circumferential direction of the tank body, and the plurality of flow distribution plates enable alkali liquor entering the feeding port to flow into an alkali liquor bin at the lower part of the tank body after overflowing from the flow distribution plates from top to bottom in sequence; the two structures can separate liquid phase from gas phase, but liquid phase fluid directly flows out from the lower part, and the liquid phase fluid and liquid dropping from the upper part easily form vortex flow during discharge, so that the discharge is not smooth.
Therefore, further improvements to flash tanks are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take flash tank of reservoir can make the flow of discharged liquid smooth and easy, and the velocity of flow is steady.
In order to achieve the purpose of the utility model, the flash tank with the liquid accumulator comprises a tank body, wherein the tank body is cylindrical, a rectangular bottom plate is fixed at the bottom of the tank body, a circular cover plate is welded at the upper part of the tank body, and the liquid accumulator is arranged at the lower part of the tank body;
the upper part of the tank body is provided with a liquid inlet, the lower part of the tank body is provided with a liquid outlet, the vertical middle cross sections of the liquid inlet and the liquid outlet are positioned on the same perpendicular cross section of the tank body, one side of the rectangular bottom plate, which faces the tank body, is provided with an overflow groove in the middle, the outer diameter of the overflow groove is smaller than the inner diameter of the tank body, and the position of the overflow groove is not lower than the lowest part of the liquid outlet and not higher than the highest part; the overflow groove is cylindrical, a vortex-proof plate is arranged in the overflow groove, and the height of the vortex-proof plate is the same as that of the overflow groove; a flow distribution plate is arranged in the tank body, the flow distribution plate is fan-shaped, the arc edge of the flow distribution plate is fixed on the inner wall of the tank body close to the liquid inlet end, and the central symmetry line of the flow distribution plate is parallel to the axis of the liquid inlet;
the liquid accumulator is cylindrical, the outer diameter of the liquid accumulator is smaller than that of the tank body, a communicating pipe is arranged at the lower part of the liquid accumulator, and the communicating pipe penetrates through the tank body and is communicated with the inside of the tank body; the upper part of the liquid storage device is fixed on the outer side of the tank body; the position of the communicating pipe is not lower than the highest position of the liquid outlet; a sight glass is arranged at the upper part of the liquid storage device far away from the tank body, and the position of the sight glass is higher than the communicating pipe;
the lower part of the circular cover plate is provided with a slow flow cylinder positioned in the tank body, the slow flow cylinder is hollow, and the outer diameter of the slow flow cylinder is smaller than the inner diameter of the tank body; the slow flow cylinder extends downwards from the lower bottom surface of the circular cover plate, and the extending length exceeds the distance from the lowest end of the liquid inlet to the lower bottom surface of the circular cover plate;
the lower part of the circular cover plate is also provided with a guide cylinder, the guide cylinder is positioned inside the slow flow cylinder, and the outer diameter of the guide cylinder is smaller than the inner diameter of the slow flow cylinder; the axes of the guide cylinder and the slow flow cylinder are both positioned on the axis of the tank body; the circular cover plate is provided with an air outlet, the air outlet penetrates through the circular cover plate, and the axis of the air outlet is positioned on the axis of the tank body; the circular cover plate is provided with a vent hole and a safety valve, the safety valve and the vent hole penetrate through the circular cover plate, and the opening on the lower surface of the circular cover plate, of the safety valve and the vent hole, is located between the slow flow cylinder and the guide cylinder.
Further, the outside of the jar body is equipped with the data plate fixed part, and the data plate fixed part includes parallel weld two curb plates on the jar body and a welding are two mounting panel on the curb plate can be with data plate and jar body spaced apart certain distance, prevents to receive the outside adverse effect of the high temperature that gives off of the jar body, integrality when also can guaranteeing jar body cladding insulation material.
Furthermore, two symmetrical lifting lugs are arranged on the upper surface of the circular cover plate.
Furthermore, the outer diameter of the slow flow cylinder is not more than four fifths of the inner diameter of the tank body.
Furthermore, the upper part of the liquid storage device is provided with a liquid level switch interface.
Further, the circular cover plate has a circular welding neck.
Furthermore, a filter screen is arranged on the liquid outlet.
When the flash tank with the liquid reservoir is used, high-temperature and high-pressure mixed liquid to be separated is injected from the liquid inlet through the pressure reducing valve, the pressure in the tank body is lower than the pressure of the mixed liquid, the temperature of about 130 ℃ is generally kept in the tank body, under the same temperature condition, the boiling point of the mixed liquid is reduced after the mixed liquid is reduced, wherein the liquid with lower boiling point is rapidly evaporated into a gaseous state, enters the slow flow cylinder and is discharged from the gas outlet through the guide cylinder; the mixed liquid entering from the liquid inlet enters the tank body along the space between the slow flow cylinder and the tank body, after a part of liquid is evaporated, the non-evaporated liquid falls on the flow distribution plate and falls in the overflow groove through the flow distribution plate, and slowly overflows outwards, and the vortex prevention plate can prevent the liquid in the overflow groove from generating vortex, so that the liquid flows stably and smoothly; after the liquid level rises slowly, the liquid enters the liquid storage device through the communicating pipe, the condition of the liquid level inside can be observed through the sight glass, and after the liquid reaches a certain liquid level, the liquid can be discharged through the liquid outlet;
the evaporated liquid is slowly flowed through the slow flow cylinder after being changed into the gaseous state and then is discharged from the guide cylinder, if the gaseous state also contains a small amount of liquid drops, the liquid drops can be condensed on the cylinder walls of the slow flow cylinder and the guide cylinder and fall to the bottom of the tank body, and if the gaseous pressure is suddenly increased, the liquid drops can be adjusted through the evacuation port and the safety valve, so that the safety of the tank body is ensured.
The utility model relates to a take flash tank of reservoir compares with prior art and has following advantage:
(1) the vortex-preventing plate and the overflow groove are arranged, so that liquid deposited at the lower part does not generate vortex, and the liquid flows stably and smoothly;
(2) the liquid storage device and the nameplate fixing part protrude out of the tank body, so that the installation and the arrangement of the heat insulation material are facilitated, and the heat insulation effect of the heat insulation material is ensured;
(3) the liquid storage device is arranged at the lower part of the tank body, is communicated with the interior of the tank body and has the same height as the liquid level in the tank body, so that the liquid level in the tank body can be observed more conveniently;
(4) the slow flow cylinder with proper size arranged on the circular cover plate at the upper part can prolong the stroke in the gaseous evaporation process, and is beneficial to further condensation and dropping of liquid drops possibly carried in the slow flow cylinder;
(5) the double-layer design of the slow flow cylinder and the guide cylinder ensures that the gas-liquid two-phase separation effect is better.
Drawings
Fig. 1 is a front view of a flash tank with a liquid reservoir according to the present invention;
fig. 2 is a top view of a flash tank with a liquid reservoir according to the present invention;
FIG. 3 is a side sectional view of a flash tank with a liquid reservoir according to the present invention;
FIG. 4 is a top view of the flash tank with a liquid reservoir of the present invention along A-A;
reference numerals: 1. a tank body; 11. a rectangular bottom plate; 111. an overflow trough; 112. a vortex preventing plate; 12. a circular cover plate; 121. a slow flow cylinder; 122. a draft tube; 123. an air outlet; 124. emptying the air; 125. a safety valve; 13. a reservoir; 131. a communicating pipe; 132. a sight glass; 14. a liquid inlet; 15. a liquid outlet; 16. a flow distribution plate; 17. data plate fixed part.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, the flash tank with a liquid reservoir of the present invention comprises a tank body 1, wherein the tank body 1 is cylindrical, a rectangular bottom plate 11 is fixed at the bottom, a circular cover plate 12 is welded at the upper part, and a liquid reservoir 13 is arranged at the lower part of the tank body 11;
the upper part of the tank body 1 is provided with a liquid inlet 14, the lower part is provided with a liquid outlet 15, under general conditions, the vertical middle cross section of the liquid inlet 14 and the vertical middle cross section of the liquid outlet 15 are positioned on the same vertical cross section of the tank body 1, one side of the rectangular bottom plate 11 facing the tank body 1 is centrally provided with an overflow groove 111, the outer diameter of the overflow groove 111 is smaller than the inner diameter of the tank body 1, the height of the overflow groove 111 is not lower than the lowest part of the liquid outlet 15 and not higher than the highest part of the liquid outlet 15, the overflow groove 111 is cylindrical, the inner part is provided with a vortex; a splitter plate 16 is arranged in the middle part of the interior of the tank body 1, the splitter plate 16 is in a fan shape, the arc edge of the splitter plate 16 is fixed on the inner wall of the tank body 1 close to the liquid inlet 14 end, and the central symmetry line of the splitter plate 16 is parallel to the axis of the liquid inlet 14; the outer side of the tank body 1 is also provided with a nameplate fixing part 17, the nameplate fixing part 17 comprises two side plates welded on the tank body in parallel and a mounting plate welded on the two side plates, the nameplate and the tank body 1 can be separated by a certain distance, the adverse effect of high temperature emitted outwards by the tank body 1 is prevented, and the integrity of the tank body 1 when the tank body 1 is coated with a heat insulation material can also be ensured;
the liquid storage device 13 is a small cylinder, the outer diameter of the liquid storage device is smaller than the outer diameter of the tank body 1 and generally does not exceed 1/10 of the outer diameter of the tank body 1, the lower part of the liquid storage device 13 is provided with a communicating pipe 131, and the communicating pipe 131 penetrates through the tank body 1 and is communicated with the inside of the tank body 1; the upper part of the liquid storage device 13 is fixed on the outer side of the tank body 1; the height of the communicating pipe 131 is not lower than the highest position of the liquid outlet 15; a sight glass 132 is arranged at the upper part of the liquid storage device 13 far away from the tank body 1, and the height of the sight glass 132 is higher than that of the communicating pipe 131; the upper part of the liquid storage device 13 can also be provided with a liquid level switch interface;
the lower part of the circular cover plate 12 is provided with a slow flow cylinder 121 positioned in the tank body 1, the slow flow cylinder 121 is hollow, the outer diameter is smaller than the inner diameter of the tank body 1, and the outer diameter of the slow flow cylinder 121 is not more than 4/5 of the inner diameter of the tank body 1; the slow flow cylinder 121 extends downwards from the lower bottom surface of the circular cover plate 12, and the length of the extension exceeds the distance from the lowest end of the liquid inlet 14 to the lower bottom surface of the circular cover plate 12;
the lower part of the circular cover plate 12 is further provided with a guide cylinder 122, the guide cylinder 122 is located inside the slow flow cylinder 121, and the outer diameter of the guide cylinder 122 is smaller than the inner diameter of the slow flow cylinder 121 and is generally half of the inner diameter of the slow flow cylinder 121; the axes of the guide cylinder 122 and the slow flow cylinder 121 are both positioned on the axis of the tank body 1; an air outlet 123 is formed in the circular cover plate 12, the air outlet 123 penetrates through the circular cover plate 12, and the axis of the air outlet 123 is positioned on the axis of the tank body 1; the circular cover plate 12 is further provided with a drain 124 and a safety valve 125, the safety valve 125 and the drain 124 both penetrate through the circular cover plate 12, and the openings of the safety valve 125 and the drain 124 on the lower surface of the circular cover plate 12 are located between the buffer flow cylinder 121 and the guide flow cylinder 122.
Preferably, two symmetrical lifting lugs are also arranged on the upper surface of the circular cover plate 12.
The circular cover 12 generally has a circular welding neck for better welding with the can body 1.
In general, the liquid outlet 15 is further provided with a filter screen and the like, so that the purity of the discharged liquid is high.
The utility model discloses take flash tank of reservoir when using, pour into the highly compressed mixed liquid of high temperature who treats the separation from inlet 14 through the relief pressure valve, the pressure in the jar body 1 is less than the pressure of mixed liquid, generally keeps the temperature about 130 degrees in the jar body 1, under same temperature condition, the mixed liquid boiling point reduces after the decompression, wherein the lower liquid of boiling point evaporates rapidly into the gassiness, gets into slow flow cylinder 121, and discharges from gas outlet 123 via draft tube 122; mixed liquid entering from the liquid inlet 14 enters the tank body 1 along a space between the slow flow cylinder 121 and the tank body 1, after a part of liquid is evaporated, the unevaporated liquid falls on the flow distribution plate 16, falls in the overflow groove 111 through the flow distribution plate 16 and slowly overflows outwards, and the vortex prevention plate 112 can prevent the liquid in the overflow groove 111 from generating vortex, so that the liquid flows stably and smoothly; after the liquid level rises slowly, the liquid enters the liquid storage device 13 through the communicating pipe 131, the condition of the liquid level inside can be observed through the sight glass 132, and after the liquid reaches a certain liquid level, the liquid can be discharged through the liquid outlet 15;
the evaporated liquid is changed into a gaseous state, then is slowly flowed through the slow flow cylinder 121 and then is discharged from the guide cylinder 122, if the gaseous state also contains a small amount of liquid drops, the liquid drops can be condensed on the cylinder walls of the slow flow cylinder 121 and the guide cylinder 122 and fall to the bottom of the tank body 1, and if the gaseous pressure is suddenly increased, the liquid drops can be adjusted through the evacuation port 124 and the safety valve 125, so that the safety of the tank body 1 is ensured.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention, the equivalents and substitutions being limited only by the scope of the appended claims.
Claims (7)
1. A flash tank with a liquid accumulator comprises a tank body, wherein the tank body is cylindrical, a rectangular bottom plate is fixed at the bottom of the tank body, a circular cover plate is welded at the upper part of the tank body, and the liquid accumulator is arranged at the lower part of the tank body; it is characterized in that the preparation method is characterized in that,
the upper part of the tank body is provided with a liquid inlet, the lower part of the tank body is provided with a liquid outlet, the vertical middle cross sections of the liquid inlet and the liquid outlet are positioned on the same perpendicular cross section of the tank body, one side of the rectangular bottom plate, which faces the tank body, is provided with an overflow groove in the middle, the outer diameter of the overflow groove is smaller than the inner diameter of the tank body, and the position of the overflow groove is not lower than the lowest part of the liquid outlet and not higher than the highest part; the overflow groove is cylindrical, a vortex-proof plate is arranged in the overflow groove, and the height of the vortex-proof plate is the same as that of the overflow groove; a flow distribution plate is arranged in the tank body, the flow distribution plate is fan-shaped, the arc edge of the flow distribution plate is fixed on the inner wall of the tank body close to the liquid inlet end, and the central symmetry line of the flow distribution plate is parallel to the axis of the liquid inlet;
the liquid accumulator is cylindrical, the outer diameter of the liquid accumulator is smaller than that of the tank body, a communicating pipe is arranged at the lower part of the liquid accumulator, and the communicating pipe penetrates through the tank body and is communicated with the inside of the tank body; the upper part of the liquid storage device is fixed on the outer side of the tank body; the position of the communicating pipe is not lower than the highest position of the liquid outlet; a sight glass is arranged at the upper part of the liquid storage device far away from the tank body, and the position of the sight glass is higher than the communicating pipe;
the lower part of the circular cover plate is provided with a slow flow cylinder positioned in the tank body, the slow flow cylinder is hollow, and the outer diameter of the slow flow cylinder is smaller than the inner diameter of the tank body; the slow flow cylinder extends downwards from the lower bottom surface of the circular cover plate, and the extending length exceeds the distance from the lowest end of the liquid inlet to the lower bottom surface of the circular cover plate;
the lower part of the circular cover plate is also provided with a guide cylinder, the guide cylinder is positioned inside the slow flow cylinder, and the outer diameter of the guide cylinder is smaller than the inner diameter of the slow flow cylinder; the axes of the guide cylinder and the slow flow cylinder are both positioned on the axis of the tank body; the circular cover plate is provided with an air outlet, the air outlet penetrates through the circular cover plate, and the axis of the air outlet is positioned on the axis of the tank body; the circular cover plate is provided with a vent hole and a safety valve, the safety valve and the vent hole penetrate through the circular cover plate, and the opening on the lower surface of the circular cover plate, of the safety valve and the vent hole, is located between the slow flow cylinder and the guide cylinder.
2. The flash tank with the liquid reservoir as claimed in claim 1, wherein a nameplate fixing part is provided on an outer side of the tank body, and the nameplate fixing part comprises two side plates welded to the tank body in parallel and a mounting plate welded to the two side plates.
3. The flash tank with the accumulator as claimed in claim 1, wherein the circular cover plate is provided with two symmetrical lifting lugs on the upper surface.
4. A flash tank with a liquid reservoir as claimed in claim 1, wherein the outside diameter of said buffer flow tube is not more than four fifths of the inside diameter of said tank body.
5. A flash tank with a liquid reservoir as claimed in claim 1, wherein the upper part of the liquid reservoir is provided with a liquid level switch interface.
6. A flash tank with a liquid reservoir as claimed in claim 1 wherein said circular cover plate has a circular weld neck.
7. The flash tank with reservoir as claimed in claim 1 wherein said outlet is provided with a screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263432.2U CN211585265U (en) | 2019-12-17 | 2019-12-17 | Flash tank with liquid reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263432.2U CN211585265U (en) | 2019-12-17 | 2019-12-17 | Flash tank with liquid reservoir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211585265U true CN211585265U (en) | 2020-09-29 |
Family
ID=72592833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922263432.2U Active CN211585265U (en) | 2019-12-17 | 2019-12-17 | Flash tank with liquid reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211585265U (en) |
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2019
- 2019-12-17 CN CN201922263432.2U patent/CN211585265U/en active Active
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