CN211400837U - Flash steam treatment device - Google Patents
Flash steam treatment device Download PDFInfo
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- CN211400837U CN211400837U CN201921255660.9U CN201921255660U CN211400837U CN 211400837 U CN211400837 U CN 211400837U CN 201921255660 U CN201921255660 U CN 201921255660U CN 211400837 U CN211400837 U CN 211400837U
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Abstract
The utility model discloses a flash steam treatment device, which comprises a hollow shell, wherein the bottom of the shell is connected to a flash steam outlet of a fixed-row flash evaporator; a first separator plate; the second isolation plate is parallel to the first isolation plate; a first water chamber; a second water chamber; a flash chamber; each group of bottom plates comprises two bottom plates which are respectively connected with the bottom ends of the first water chamber and the second water chamber; the heat exchange tube is connected in the flash steam chamber, one end of the heat exchange tube is connected with the first isolation plate, and the other end of the heat exchange tube is connected with the second isolation plate; the inlet tube, on the casing lateral wall of inlet tube connection to first hydroecium bottom, the outlet pipe is connected to on the casing lateral wall on second hydroecium top. By enlarging the contact range of the flash steam and the heat exchange tube, the flash steam is condensed into water under the condition that the desalted water is not mixed with the flash steam, and the flash steam is prevented from discharging and corroding equipment above.
Description
Technical Field
The utility model belongs to flash distillation vapour processing field, concretely relates to flash distillation vapour processing apparatus.
Background
A75 t/h circulating fluidized bed boiler is matched with a fixed-row flash tank, and a large amount of flash steam can be discharged in the operation. And because the boiler device area is narrow and small, a large amount of generated flash steam can flee to the furnace top and even a coal conveying trestle in winter, so that the problems of corrosion of the steel structure of the furnace top and the coal conveying trestle and the like are caused. The existing flash steam recovery device usually occupies a large area and is easy to scale, and the recovery device operates in a closed manner to cause blockage after scaling to be difficult to treat, so that great potential safety hazards exist.
In other fields, such as exhaust devices in chemical industry, cooling towers in power plants, etc., a large amount of flash steam is generated, and the flash steam is difficult to treat.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flash distillation vapour processing apparatus to solve the problem that takes up an area of among the prior art greatly and easily scale deposit.
The utility model achieves the technical purpose through the following technical means,
a flash steam treatment device comprises
The bottom of the shell is connected to a flash steam outlet of the fixed-row flash tank;
the first isolation plate is connected with the inner wall of the shell;
the second isolation plate is connected with the inner wall of the shell and is parallel to the first isolation plate;
the space is defined by the inner wall of the shell and the outer wall of the first partition board;
the space is defined by the inner wall of the shell and the outer wall of the second isolation plate;
the flash chamber is a space enclosed by the inner wall of the first isolation plate and the inner wall of the second isolation plate in the shell;
the group of bottom plates comprises two bottom plates, one bottom plate in the group of bottom plates is connected between the inner wall of the shell in the first water chamber and the outer wall of the first isolation plate, the other bottom plate is connected between the inner wall of the shell in the second water chamber and the outer wall of the second isolation plate, and the two bottom plates are respectively connected to the lower ends of the first isolation plate and the second isolation plate;
the heat exchange tube is connected in the flash steam chamber, one end of the heat exchange tube is connected with the first isolation plate, and the other end of the heat exchange tube is connected with the second isolation plate;
the water inlet pipe is connected to the side wall of the shell at the bottom end of the first water chamber,
and the water outlet pipe is connected to the side wall of the shell at the top end of the second water chamber.
Furthermore, the bottom plates are provided with a plurality of groups, the first water chamber and the second water chamber are divided into a plurality of layers by the plurality of groups of bottom plates, and the two bottom plates in the same group are positioned at the same height.
Furthermore, a plurality of communicating bent pipes are connected to the outer walls of the shells in the first water chamber and the second water chamber, the second water chambers in odd-numbered layers in the layers are communicated with the second water chamber in the upper layer through the communicating bent pipes, and the first water chambers in even-numbered layers in the layers are communicated with the first water chamber in the upper layer through the communicating bent pipes.
Further, the shell is a cylinder.
Furthermore, the bottom plates are divided into three groups, wherein one group of bottom plates seals the bottom of the first water chamber and the bottom of the second water chamber, and the other two groups of bottom plates divide the first water chamber and the second water chamber into three parts.
Further, the length of the heat exchange tube is 200 mm.
The beneficial effects of the utility model reside in that: 1. after entering the shell, the flash steam is contacted with the heat exchange tube in the flash steam chamber, and the flash steam heats the desalted water in the heat exchange tube, is cooled, liquefied and drips, so that the occupied area is small.
2. The contact area of the flash steam and the low-temperature desalted water is increased through the heat exchange tube, the flash steam is cooled under the condition that the flash steam is not in contact with the desalted water, the whole device is not easy to block, and the potential safety hazard is reduced.
3. The flash steam is cooled to be liquid and drops, so that a large amount of condensed water obtained by cooling the flash steam can be recycled while the discharge of the flash steam is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 1, a housing; 2-1 a first separator plate; 2-2, a second isolation plate; 3-1, a first water chamber; 3-2, a second water chamber; 4. a flash chamber; 5. a base plate; 6. a heat exchange pipe; 7. a water injection pipe; 8. a water outlet pipe; 9. a fixed-row flash tank; 10. and the connecting elbow pipe.
The present invention will be described in further detail with reference to the accompanying drawings and examples;
Detailed Description
[ EXAMPLES one ]
As shown in figure 1, the flash steam treatment device comprises
The bottom of the shell 1 is connected to a flash steam outlet of a fixed-row flash tank 9;
the first isolation plate 2-1, the first isolation plate 2-1 is connected with the inner wall of the shell 1;
the second isolation plate 2-2 is connected with the inner wall of the shell 1, and the second isolation plate 2-2 is parallel to the first isolation plate 2-1;
the top edges and the two side edges of the two isolation plates are connected with the inner wall of the shell 1, and the interior of the shell 1 is divided into three spaces.
A space surrounded by the inner wall of the shell 1 and the outer wall of the first partition plate 2-1 is a first water chamber 3-1;
a space surrounded by the inner wall of the shell 1 and the outer wall of the second partition plate 2-2 is a second water chamber 3-2;
a flash chamber 4, a space enclosed by the inner wall of the first isolation plate 2-1 and the inner wall of the second isolation plate 2-2 in the shell 1;
the three spaces are respectively a first water chamber 3-1, a second water chamber 3-2 and a flash steam chamber 4, the surface of the first separation plate 2-1 and the second separation plate 2-2 which are close to each other is the inner side,
the group of bottom plates 5 comprises two bottom plates 5, one bottom plate 5 in the group of bottom plates 5 is connected between the inner wall of the shell 1 in the first water chamber 3-1 and the outer wall of the first partition plate 2-1, the other bottom plate 5 is connected between the inner wall of the shell 1 in the second water chamber 3-2 and the outer wall of the second partition plate 2-2, and the two bottom plates 5 are respectively connected to the lower ends of the first partition plate 2-1 and the second partition plate 2-2;
the lower ends of the first separation plate 2-1 and the second separation plate 2-2 are both connected with a bottom plate 5, and the lower parts of the first water chamber 3-1 and the second water chamber 3-2 are sealed by the bottom plate 5 to form a first closed water chamber 3-1 and a second closed water chamber 3-2. Among the group of bottom plates 5, one bottom plate 5 is connected between the inner wall of the casing 1 and the outer wall of the first partition plate 2-1, and the other bottom plate 5 is connected between the inner wall of the casing 1 and the outer wall of the second partition plate 2-2. One end of the bottom plate 5 is connected with the outer wall of the separation plate, and the other end is connected with the inner wall of the shell 1 of the water chamber corresponding to the separation plate, so that the lower parts of the first water chamber 3-1 and the second water chamber 3-2 are also sealed.
The heat exchange tube 6 is connected in the flash chamber 4, one end of the heat exchange tube 6 is connected with the first isolation plate 2-1, and the other end of the heat exchange tube 6 is connected with the second isolation plate 2-2;
one end of the heat exchange tube 6 is connected to the first partition board 2-1, and the other end of the heat exchange tube is connected to the second partition board 2-2, so that the first water chamber 3-1 and the second water chamber 3-2 are communicated, and the desalted water can enter the other water chamber through the heat exchange tube.
The water inlet pipe 7 is connected to the side wall of the shell 1 at the bottom end of the first water chamber 3-1, the water inlet pipe 7 is connected to the shell 1 at the bottom of the first water chamber 3-1, and the demineralized water is injected into the first water chamber 3-1 from the bottom of the shell 1.
And the water outlet pipe 8 is connected to the side wall of the shell 1 at the top end of the second water chamber 3-2. The water outlet pipe 8 is connected to the side wall of the shell 1 at the top end of the second water chamber 3-2, demineralized water injected from the bottom of the shell 1 is continuously accumulated and rises, and the demineralized water is discharged from the water outlet pipe 8 at the top after being subjected to heat exchange with flash steam through the heat exchange pipe 6, so that the water in the first water chamber 3-1, the second water chamber 3-2 and the heat exchange pipe 6 is kept at a lower temperature.
[ example two ]
As shown in fig. 1, the bottom plates 5 have a plurality of groups, the plurality of groups of bottom plates 5 divide the first water chamber 3-1 and the second water chamber 3-2 into a plurality of layers, and the two bottom plates 5 in the same group are located at the same height.
The bottom plate 5 has a plurality of sets in addition to the bottom set, and the plurality of sets of bottom plate 5 divide the first water chamber 3-1 and the second water chamber 3-2 into a plurality of layers.
The housing 1 is a cylinder.
The bottom plates 5 are three groups, wherein one group of bottom plates 5 seals the bottom of the first water chamber 3-1 and the second water chamber 3-2, and the other two groups of bottom plates 5 divide the first water chamber 3-1 and the second water chamber 3-2 into three parts.
There are three bottom plates 5 in each water chamber, one of the bottom plates 5 serves as the bottom of the water chamber, the other two bottom plates 5 divide the whole water chamber into three parts, and the distances between the three bottom plates 5 are the same.
The length of the heat exchange tube 6 is 200 mm.
The outer walls of the shell 1 in the first water chamber 3-1 and the second water chamber 3-2 are also connected with a plurality of communication bent pipes 10, the second water chambers 3-2 in odd layers in the layers are communicated with the second water chamber 3-2 in the layer above through the communication bent pipes 10, and the first water chambers 3-1 in even layers in the layers are communicated with the first water chambers 3-1 in the layer above through the communication bent pipes 10.
After the bottom plate 5 is installed, the first water chamber 3-1 of the first layer at the lowest part is fed with water through the water inlet pipe 7 and then enters the second water chamber 3-2 of the first layer through the heat exchange pipe, the desalted water cannot enter the first water chamber 3-1 and the second water chamber 3-2 of the upper layer because of the bottom plate 5,
through the communicating bent pipe 10, the second water chamber 3-2 at the odd layer is communicated with the second water chamber 3-2 at the upper layer through the communicating bent pipe 10, the second water chamber 3-2 at the first layer is connected with the second water chamber 3-2 at the second layer through the communicating bent pipe 10, and after the first layer is full of water, the demineralized water enters the second water chamber 3-2 at the second layer through the communicating bent pipe 10 and enters the first water chamber 3-1 at the second layer through the heat exchange pipe;
the first water chamber 3-1 of the even layer is communicated with the first water chamber 3-1 of the upper layer through the communicating bent pipe 10, the first water chamber 3-1 of the second layer enters the first water chamber 3-1 of the third layer through the communicating bent pipe 10 after being full, and the first water chamber 3-1 of the different layer and the second water chamber 3-2 of the different layer can be communicated in sequence and circulate until the highest layer, one water chamber of the highest layer is communicated with the communicating bent pipe 10, and the other water chamber of the same layer is connected with the water outlet pipe 8, so that desalted water is injected from the bottom and discharged from the top, and the heat of flash steam is continuously taken away.
Meanwhile, the second water chamber 3-2 at the odd-numbered level is communicated with the second water chamber 3-2 at the upper level through the communication elbow 10, the first water chamber 3-1 at the even-numbered level is communicated with the first water chamber 3-1 at the upper level through the communication elbow 10, which is only one embodiment of the patent,
the position of the water inlet pipe 7 can also be exchanged to the second water chamber 3-2, so that the second water chamber 3-2 at the even layer is communicated with the second water chamber 3-2 at the upper layer through the communicating bent pipe 10, and the first water chamber 3-1 at the odd layer is communicated with the first water chamber 3-1 at the upper layer through the communicating bent pipe 10, that is, the positions of the communicating bent pipe 10 and the water injection pipe 7 in fig. 1 are exchanged from left to right.
As shown in fig. 1, the water injection pipe 7 is connected to the first water chamber 3-1 of the first layer,
the second water chamber 3-2 of the first layer is connected to the second water chamber 3-2 of the second layer by means of a communication elbow 10,
the first water chamber 3-1 of the second level is connected to the first water chamber of the third level by means of a communication elbow 10,
the second water chamber 3-2 of the third layer is connected with a water outlet pipe 8.
When in use, the demineralized water is injected through the water injection pipe 7 and sequentially passes through the first water chamber 3-1 of the first layer, the heat exchange pipe 6 of the first layer, the second water chamber 3-2 of the first layer,
A second water chamber 3-2 of the second layer, a heat exchange tube 6 of the second layer, a first water chamber 3-1 of the second layer,
The first water chamber 3-1 of the third layer, the heat exchange tube 6 of the third layer and the second water chamber 3-2 of the third layer are finally discharged by the water outlet pipe 8.
In the process, the flash steam generated in the fixed-discharge flash tank 9 enters the flash steam chamber in the shell 1 from the bottom of the shell 1, the flash steam is contacted with a plurality of heat exchange tubes 6 in the ascending process to exchange heat, the temperature of the desalted water is raised and discharged, and the temperature of the flash steam is reduced to become water drops, so that the problem of discharge of the flash steam is solved.
Claims (6)
1. A flash steam processing device is characterized in that: comprises that
The bottom of the shell (1) is connected to a flash steam outlet of the fixed-discharge flash tank (9);
the first isolation plate (2-1), the first isolation plate (2-1) is connected with the inner wall of the shell (1);
the second isolation plate (2-2), the second isolation plate (2-2) is connected with the inner wall of the shell (1), and the second isolation plate (2-2) is parallel to the first isolation plate (2-1);
the first water chamber (3-1), a space enclosed by the inner wall of the shell (1) and the outer wall of the first partition plate (2-1);
a space surrounded by the inner wall of the shell (1) and the outer wall of the second partition plate (2-2) is a second water chamber (3-2);
a flash chamber (4), a space enclosed by the inner wall of the first isolation plate (2-1) and the inner wall of the second isolation plate (2-2) in the shell (1);
the group of bottom plates (5) comprises two bottom plates (5), one bottom plate (5) in the group of bottom plates (5) is connected between the inner wall of the shell (1) in the first water chamber (3-1) and the outer wall of the first partition plate (2-1), the other bottom plate (5) is connected between the inner wall of the shell (1) in the second water chamber (3-2) and the outer wall of the second partition plate (2-2), and the two bottom plates (5) are respectively connected to the lower ends of the first partition plate (2-1) and the second partition plate (2-2);
the heat exchange tube (6) is connected in the flash chamber (4), one end of the heat exchange tube (6) is connected with the first isolation plate (2-1), and the other end of the heat exchange tube (6) is connected with the second isolation plate (2-2);
a water inlet pipe (7), wherein the water inlet pipe (7) is connected to the side wall of the shell (1) at the bottom end of the first water chamber (3-1),
and the water outlet pipe (8) is connected to the side wall of the shell (1) at the top end of the second water chamber (3-2).
2. The flash steam processing device according to claim 1, wherein: the bottom plates (5) are in multiple groups, the first water chamber (3-1) and the second water chamber (3-2) are divided into multiple layers by the multiple groups of bottom plates (5), and the two bottom plates (5) in the same group are positioned at the same height.
3. The flash steam processing device according to claim 2, wherein: the outer walls of the shell (1) in the first water chamber (3-1) and the second water chamber (3-2) are also connected with a plurality of communication bent pipes (10), the second water chambers (3-2) in odd layers in the layers are communicated with the second water chamber (3-2) in the layer above through the communication bent pipes (10), and the first water chambers (3-1) in even layers in the layers are communicated with the first water chambers (3-1) in the layer above through the communication bent pipes (10).
4. The flash steam processing device according to claim 1, wherein: the shell (1) is a cylinder.
5. The flash steam processing device according to claim 2, wherein: the bottom plates (5) are divided into three groups, wherein one group of bottom plates (5) seals the bottom of the first water chamber (3-1) and the second water chamber (3-2), and the other two groups of bottom plates (5) divide the first water chamber (3-1) and the second water chamber (3-2) into three parts.
6. The flash steam processing device according to claim 1, wherein: the length of the heat exchange tube (6) is 200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921255660.9U CN211400837U (en) | 2019-08-05 | 2019-08-05 | Flash steam treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921255660.9U CN211400837U (en) | 2019-08-05 | 2019-08-05 | Flash steam treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211400837U true CN211400837U (en) | 2020-09-01 |
Family
ID=72231850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921255660.9U Active CN211400837U (en) | 2019-08-05 | 2019-08-05 | Flash steam treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211400837U (en) |
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2019
- 2019-08-05 CN CN201921255660.9U patent/CN211400837U/en active Active
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