CN211486607U - Forced circulation evaporation crystallizer - Google Patents
Forced circulation evaporation crystallizer Download PDFInfo
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- CN211486607U CN211486607U CN202020021861.9U CN202020021861U CN211486607U CN 211486607 U CN211486607 U CN 211486607U CN 202020021861 U CN202020021861 U CN 202020021861U CN 211486607 U CN211486607 U CN 211486607U
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- separator tank
- heating device
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- condenser
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Abstract
The utility model discloses a forced circulation evaporative crystallizer, which comprises a separator tank body, a flotation device, a heating device, a condenser and a vacuum pump, wherein the flotation device is arranged close to the bottom of the separator tank body and communicated with the separator tank body; the discharge port of the heating device is communicated with the feed port of the separator tank body through a pipeline; the steam inlet of the condenser is communicated with the steam outlet of the separator tank body through a pipeline, the condenser is connected with the vacuum pump, the bottom of the condenser is provided with a condenser water outlet, and the discharge port of the separator tank body is connected with the feed inlet of the heating device through a circulating pump. The forced circulation evaporative crystallizer is reasonable in structure, the materials are forced to flow by the aid of the circulating pump, evaporative crystallization effects of the materials are enhanced, and the phenomenon that the materials are blocked is avoided.
Description
Technical Field
The utility model relates to an evaporative crystallizer especially relates to a forced circulation evaporative crystallizer.
Background
A steam pipeline for heating materials to evaporate in the existing evaporation crystallizer is directly arranged in a separator tank body, the materials around the steam pipeline are heated, the temperature of the materials above the steam pipeline is lower, the heated materials naturally rise, the materials with lower temperature fall around the steam pipeline, and the materials are evaporated and concentrated continuously in a circulating way through self circulation to separate out crystals. However, when the material to be evaporated is waste liquid of chemical, food, pharmaceutical and environmental engineering with scaling property, crystallinity, high concentration, high viscosity, etc., good self-circulation cannot be formed even in the heated and evaporated state due to poor fluidity, and the material is easy to adhere to the inner wall of the pipeline, thereby causing the phenomenon of pipe blockage.
Therefore, there is a need for an improved evaporative crystallizer of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a forced circulation evaporative crystallizer, utilize the circulating pump to make the material force to flow, the evaporation crystallization effect of reinforcing material prevents simultaneously that stifled pipe phenomenon from appearing in the high-concentration high-viscosity material.
In order to realize the technical effects, the utility model adopts the technical scheme that: a forced circulation evaporation crystallizer comprises a separator tank body (1), a flotation device (2), a heating device (3), a condenser (4) and a vacuum pump (5), wherein the separator tank body (1) is provided with a separator tank body feeding port (11), a separator tank body steam outlet (12) and a separator tank body discharging port (13), the heating device (3) is provided with a heating device discharging port (31) and a heating device feeding port (32), and the condenser (4) is provided with a condenser steam inlet (41) and a condenser water outlet (42);
the flotation device (2) is arranged close to the bottom of the separator tank body (1), the flotation device (2) is communicated with the separator tank body (1), a material inlet (21) is formed in the side wall of the flotation device (2), and a crystal outlet (22) is formed in the bottom of the flotation device (2); the discharge hole (31) of the heating device is communicated with the feeding hole (11) of the separator tank body through a pipeline; the condenser steam inlet (41) is communicated with the separator tank body steam outlet (12) through a pipeline, and the condenser (4) is connected with the vacuum pump (5); the discharge port (13) of the separator tank body is connected with the feeding port (32) of the heating device through a circulating pump (6). Through the design, the circulating pump is added, so that the high-concentration and high-viscosity material forcibly flows, and the evaporation crystallization effect of the material is enhanced.
The preferable technical scheme is that a sprayer (14) is arranged at a material inlet (11) of the separator tank body. Through the design, the material water drops are sprayed out, the surface area of the liquid is enlarged, and the flash evaporation is rapidly carried out in a vacuum environment.
The preferable technical scheme is that a vertical partition plate (15) is arranged between a separator tank body feeding port (11) and a separator tank body steam outlet (12), the partition plate (15) is located inside the separator tank body (1), and the bottom end of the partition plate (15) protrudes out of the sprayer (14). Through such design, can prevent that the liquid material that spouts from the shower is drawn into the condenser by the vacuum pump.
The preferable technical scheme is that one side of the separator tank body (1) is vertically connected with one side of the flotation device (2), and the other side of the separator tank body (1) is obliquely arranged and connected with the other side of the flotation device (2). Through such design, the crystal that evaporates in the separator jar body and separate out can naturally the landing to the flotation device in, avoids the crystal to remain in the separator jar body, and such structural design can improve the volume of separator jar body (1) under the prerequisite that does not influence the landing simultaneously.
The preferable technical scheme is that the heating device (3) is a steam heating device, a steam inlet (33) is formed in the top of the heating device (3), a condensed water outlet (34) is formed in the bottom of the heating device (3), and the steam inlet (33) and the condensed water outlet (34) are respectively located on two sides of the heating device (3). Through such design, can be effectual with even heating of material.
The preferable technical scheme is that a bent material circulation pipeline (35) is arranged in the heating device (3), and the material circulation pipeline (35) is communicated with a heating device feeding port (32) and a heating device discharging port (31). Through the design, the material can be effectively heated in the heating device.
The preferable technical scheme is that the crystal outlet (22) is connected with a discharge pump (7). By such a design, it is convenient to draw precipitated crystals out of the flotation cell.
Preferably, the condenser (4) is provided with a cooling water inlet (43) and a cooling water outlet (44). Through such design, utilize the cooling water heat transfer, can be with the steam rapid cooling liquefaction in the condenser.
The preferable technical scheme is that a water outlet (42) of the condenser is connected with a condensate pump (8). Through such design, be convenient for take out the treatment with the comdenstion water in the condenser.
The water outlet (42) of the condenser is communicated with the inlet of a condensate pump (8) through a first pipeline (91), the outlet of the condensate pump (8) is connected with a three-way valve through a second pipeline (92), and the other two ports of the three-way valve are respectively communicated with a water inlet (16) of a separator tank body through a separator tank pipeline (93) and a water drainage pipeline (94) is communicated with a water drainage port; a separator tank pipeline valve (95) is arranged on the separator tank pipeline (93), and a drain pipeline valve (96) is arranged on the drain pipeline (94). Through the design, the window of the separator tank body can be cleaned by utilizing the condensed water in the condenser.
The utility model has the advantages and the beneficial effects that: the utility model discloses forced circulation evaporative crystallizer is rational in infrastructure, through increasing the circulating pump, forces the flow to the high-viscosity material of high concentration, and reinforcing evaporative crystallization effect effectively prevents stifled pipe phenomenon simultaneously.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the forced circulation evaporative crystallizer of the present invention;
fig. 2 is a schematic diagram of material flow and gas flow in the forced circulation evaporative crystallizer of the present invention (solid arrows are material flow direction, dotted arrows are gas flow direction, and black solid arrows are flow direction of crystal or dense slurry).
In the figure: 1. a separator tank; 11. a separator tank body feed inlet; 12. a steam outlet of the separator tank body; 13. a discharge port of the separator tank body; 14. a sprayer; 15. a partition plate; 16. a separator tank water inlet; 2. a flotation device; 21. a material inlet; 22. a crystal outlet; 3. a heating device; 31. a discharge port of the heating device; 32. a feeding port of a heating device; 33. a steam inlet; 34. a condensed water outlet; 35. a material flow pipeline; 4. a condenser; 41. a steam inlet of the condenser; 42. a water outlet of the condenser; 43. a cooling water inlet; 44. a cooling water outlet; 5. a vacuum pump; 6. a circulation pump; 7. a discharge pump; 8. a condensate pump; 91. a first pipeline; 92. a second pipeline; 93. a separator tank line; 94. a drain line; 95. a separator tank line valve; 96. and a drain line valve.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1-2, the forced circulation evaporative crystallizer of embodiment 1 includes a separator tank 1, a flotation device 2, a heating device 3, a condenser 4 and a vacuum pump 5, wherein the separator tank 1 is provided with a separator tank inlet 11, a separator tank outlet 12 and a separator tank outlet 13, the heating device 3 is provided with a heating device outlet 31 and a heating device inlet 32, and the condenser 4 is provided with a condenser inlet 41 and a condenser outlet 42;
the flotation device 2 is arranged close to the bottom of the separator tank body 1, the flotation device 2 is communicated with the separator tank body 1, a material inlet 21 is formed in the side wall of the flotation device 2, and a crystal outlet 22 is formed in the bottom of the flotation device 2; the discharge port 31 of the heating device is communicated with the feed port 11 of the separator tank body through a pipeline; the condenser steam inlet 41 is communicated with the separator tank steam outlet 12 through a pipeline, and the condenser 4 is connected with the vacuum pump 5; the discharge port 13 of the separator tank body is connected with the feeding port 32 of the heating device through a circulating pump 6.
The separator tank body feeding port 11 is provided with a sprayer 14.
A vertical partition plate 15 is arranged between the separator tank body feeding port 11 and the separator tank body steam outlet port 12, the partition plate 15 is positioned inside the separator tank body 1, and the bottom end of the partition plate 15 protrudes out of the sprayer 14.
One side of the separator tank body 1 is vertically connected with one side of the flotation device 2, and the other side of the separator tank body 1 is obliquely arranged and connected with the other side of the flotation device 2.
The heating device 3 is a steam heating device, a steam inlet 33 is arranged at the top of the heating device 3, a condensed water outlet 34 is arranged at the bottom of the heating device 3, and the steam inlet 33 and the condensed water outlet 34 are respectively positioned at two sides of the heating device 3.
A bent material circulation pipeline 35 is arranged in the heating device 3, and the material circulation pipeline 35 is communicated with the heating device feeding port 32 and the heating device discharging port 31.
The crystal outlet 22 is connected with the discharging pump 7.
The condenser 4 is provided with a cooling water inlet 43 and a cooling water outlet 44.
The water outlet 42 of the condenser 4 is connected with a condensate pump 8.
The condenser water outlet 42 is communicated with the inlet of a condensate pump 8 through a first pipeline 91, the outlet of the condensate pump 8 is connected with a three-way valve through a second pipeline 92, the other two ports of the three-way valve are respectively communicated with the separator tank body water inlet 16 through a separator tank pipeline 93, and a drain pipeline 94 is communicated with a drain outlet; a separator tank line valve 95 is provided on the separator tank line 93, and a drain line valve 96 is provided on the drain line 94.
Material flow: opening a cooling circulating water inlet and outlet valve of a condenser 4, opening a vacuum pump 5 to enable the pressure in the device to be lower than the atmospheric pressure (negative pressure), adding materials into the specified liquid level of the separator tank body 1 from a material inlet 21, and continuously forming circulation in the heating device 3 and the separator tank body 1 through the thrust of a circulating pump 6; steam enters the heating device 3 from the steam inlet 33 to uniformly heat the material in the material circulating pipeline 35, the material is pumped from bottom to top through the circulating pump 6, flows upwards along the material circulating pipeline 35, enters the separator tank body 1 and then is sprayed out from the sprayer 14, low-temperature boiling and vaporization is carried out in a negative pressure environment to form steam, the steam is upwards pumped out by the vacuum pump 5, the fluid is blocked and falls down, and then the steam is sucked into the heating device 3 through the circulating pump 6 to be continuously circulated;
after the materials are evaporated, the liquid level in the separator tank body 1 is reduced, and at the moment, the opening degree of a feeding valve needs to be opened and adjusted so that the liquid level in the separator tank body 1 is kept balanced;
the materials continuously enter the device for evaporation, crystals are separated out and fall to the flotation device 2, and the crystals are pumped out by a discharge pump 7 to the next procedure;
steam generated by evaporation is pumped into the condenser 4 by the vacuum pump 5 and then forms condensed water through heat exchange of cooling circulating water, the condensed water pump 8 is started, the separator tank pipeline valve 95 is closed, the drain pipeline valve 96 is opened, and the condensed water flows through the first pipeline 91, the second pipeline 92 and the drain pipeline 94 in sequence and then is discharged for biochemistry or recovery;
the condensed water pump 8 is started, the separator tank pipeline valve 95 is started, the drain pipeline valve 96 is closed, the condensed water flows through the first pipeline 91, the second pipeline 92 and the separator tank pipeline 93 in sequence, and the condensed water can wash the inner tank wall and the sight glass of the separator tank 1.
A steam flow: after steam enters the heating device 3 from the steam inlet 33, condensed water formed by heat exchange is discharged out of the heating device 3 from the condensed water outlet 34 for biochemical treatment or recovery.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A forced circulation evaporation crystallizer is characterized by comprising a separator tank body (1), a flotation device (2), a heating device (3), a condenser (4) and a vacuum pump (5), wherein the separator tank body (1) is provided with a separator tank body feeding port (11), a separator tank body steam outlet (12) and a separator tank body discharging port (13), the heating device (3) is provided with a heating device discharging port (31) and a heating device feeding port (32), and the condenser (4) is provided with a condenser steam inlet (41) and a condenser water outlet (42);
the flotation device (2) is arranged close to the bottom of the separator tank body (1), the flotation device (2) is communicated with the separator tank body (1), a material inlet (21) is formed in the side wall of the flotation device (2), and a crystal outlet (22) is formed in the bottom of the flotation device (2); the discharge hole (31) of the heating device is communicated with the feeding hole (11) of the separator tank body through a pipeline; the condenser steam inlet (41) is communicated with the separator tank body steam outlet (12) through a pipeline, and the condenser (4) is connected with the vacuum pump (5); the discharge port (13) of the separator tank body is connected with the feeding port (32) of the heating device through a circulating pump (6).
2. Forced circulation evaporative crystallizer as in claim 1, characterized by the separator tank inlet (11) provided with a shower (14).
3. The forced circulation evaporative crystallizer of claim 2, wherein a vertical partition (15) is arranged between the separator tank inlet (11) and the separator tank outlet (12), the partition (15) is located inside the separator tank (1), and the bottom end of the partition (15) protrudes from the sprayer (14).
4. A forced circulation evaporative crystallizer as defined in claim 1, characterized by the fact that one side of the separator tank (1) is connected vertically to one side of the flotation device (2), the other side of the separator tank (1) being placed obliquely and connected to the other side of the flotation device (2).
5. The forced circulation evaporative crystallizer of claim 1, wherein the heating device (3) is a steam heating device, a steam inlet (33) is arranged at the top of the heating device (3), a condensed water outlet (34) is arranged at the bottom of the heating device (3), and the steam inlet (33) and the condensed water outlet (34) are respectively positioned at two sides of the heating device (3).
6. The forced circulation evaporative crystallizer of claim 5, characterized in that a bent material flow pipe (35) is arranged in the heating device (3), and the material flow pipe (35) is communicated with the heating device inlet (32) and the heating device outlet (31).
7. A forced circulation evaporative crystallizer as defined in claim 1, characterised in that the crystal outlet (22) is connected to a discharge pump (7).
8. Forced circulation evaporative crystallizer as in claim 1, characterized by the condenser (4) which is provided with a cooling water inlet (43) and a cooling water outlet (44).
9. The forced circulation evaporative crystallizer of claim 1, wherein the condenser water outlet (42) is connected to a condensate pump (8).
10. The forced circulation evaporative crystallizer of claim 1, wherein the condenser water outlet (42) is in communication with a condensate pump (8) inlet through a first pipe (91), the condensate pump (8) outlet is connected with a three-way valve through a second pipe (92), the other two ports of the three-way valve are in communication with a separator tank water inlet (16) through a separator tank pipe (93) and a drain pipe (94) is in communication with a drain outlet, respectively; a separator tank pipeline valve (95) is arranged on the separator tank pipeline (93), and a drain pipeline valve (96) is arranged on the drain pipeline (94).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020021861.9U CN211486607U (en) | 2020-01-07 | 2020-01-07 | Forced circulation evaporation crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020021861.9U CN211486607U (en) | 2020-01-07 | 2020-01-07 | Forced circulation evaporation crystallizer |
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| Publication Number | Publication Date |
|---|---|
| CN211486607U true CN211486607U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020021861.9U Active CN211486607U (en) | 2020-01-07 | 2020-01-07 | Forced circulation evaporation crystallizer |
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| CN (1) | CN211486607U (en) |
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2020
- 2020-01-07 CN CN202020021861.9U patent/CN211486607U/en active Active
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