CN220758530U - Yeast emulsion spray drying tower water curtain dust pelletizing system - Google Patents
Yeast emulsion spray drying tower water curtain dust pelletizing system Download PDFInfo
- Publication number
- CN220758530U CN220758530U CN202322445054.6U CN202322445054U CN220758530U CN 220758530 U CN220758530 U CN 220758530U CN 202322445054 U CN202322445054 U CN 202322445054U CN 220758530 U CN220758530 U CN 220758530U
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- drying tower
- dust remover
- spray drying
- spray head
- cyclone separator
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- 239000000428 dust Substances 0.000 title claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000001694 spray drying Methods 0.000 title claims abstract description 32
- 240000004808 Saccharomyces cerevisiae Species 0.000 title claims abstract description 18
- 239000000839 emulsion Substances 0.000 title claims abstract description 13
- 238000005453 pelletization Methods 0.000 title description 2
- 239000000843 powder Substances 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 32
- 239000006260 foam Substances 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model discloses a water curtain dust removal system of a yeast emulsion spray drying tower, which belongs to the technical field of yeast production equipment and comprises a spray drying tower; the method is characterized in that: the water foam dust remover comprises a dust remover body, wherein a baffle plate is arranged at the top of the dust remover body, and a first spray head assembly, a second spray head assembly and a foam removing steel wire mesh are sequentially arranged below the baffle plate; the first spray head component and the second spray head component are arranged in parallel along the horizontal direction, and the central axes of the I-shaped spray pipes of the first spray head component and the second spray head component are arranged vertically. The beneficial effects of the utility model are as follows: baffle, first shower nozzle subassembly, second shower nozzle subassembly and remove foam wire net, the tube side of extension water foam dust remover blast pipe, the air current and the rivers that produce realize fine diversion and vortex, have greatly improved the effect of the dust removal of water curtain, have solved the dust removal effect poor, often appear running water and run the powder problem.
Description
Technical field:
the utility model belongs to the technical field of yeast production equipment, and particularly relates to a water curtain dust removal system of a yeast emulsion spray drying tower.
The background technology is as follows:
the yeast needs to be dried in the processing process, and a large amount of dust-containing tail gas is generated in the yeast drying process, and the dust-containing tail gas drifts into the air to pollute the air, so that the tail gas dust removal treatment of the yeast drying tower is needed.
Under the general condition of the existing spray drying tower, tail gas is treated with dust-containing tail gas through a first cyclone separator, heavy phase containing dust is led into a dust collecting tank, the light phase is connected with a foam dust remover through a pipeline and a dust collecting air inlet machine, a tail gas absorbing device is arranged at an air outlet of the foam dust remover through a pipeline,
however, the existing water foam dust remover has short exhaust pipeline and poor dust removal effect, and the problem of water leakage and powder leakage often occurs, so that the tail gas of the spray drying tower has higher dust content even though the tail gas is dedusted by a water curtain.
The utility model comprises the following steps:
in order to solve the problems and overcome the defects in the prior art, the utility model provides a water curtain dust removal system of a yeast emulsion spray drying tower;
the first technical problem to be solved is: the current water curtain dust remover has poor dust removing effect, so that the tail gas of the spray drying tower has higher dust content even though the tail gas is removed through the water curtain;
the specific technical scheme for solving the technical problems is as follows: the water curtain dust removal system of the yeast emulsion spray drying tower comprises a spray drying tower; the tail gas port of the spray drying tower is connected with the feed inlet of the first cyclone separator through a pipeline, the light phase outlet of the first cyclone separator is connected with the foam dust remover through a pipeline and the powder collecting air inlet machine, the gas outlet of the foam dust remover is provided with a tail gas absorbing device through a pipeline, and the discharge port of the spray drying tower is connected with the powder collecting tank through a pipeline and the fluidized bed; the method is characterized in that:
the foam dust remover comprises a dust remover body, wherein a baffle plate is arranged at the top of the dust remover body, and a first spray head assembly, a second spray head assembly and a foam removing steel wire mesh are sequentially arranged below the baffle plate;
the side wall of the dust remover body positioned below the defoaming steel wire net is connected with a powder inlet fan through a pipeline;
the bottom of the dust remover body is connected with a circulating water tank through a liquid guide pipe;
the first nozzle component and the second nozzle component both comprise an annular bracket fixed with the inner wall of the dust remover body, an annular water pipe is arranged in the annular bracket, the inner side of the annular water pipe is connected with an I-shaped spray pipe, the spray pipe is uniformly provided with nozzles,
the first spray head component and the second spray head component are arranged in parallel along the horizontal direction, and the central axes of the I-shaped spray pipes of the first spray head component and the second spray head component are arranged vertically.
Further, a venturi tube is arranged between the powder collecting air inlet machine and the water foam dust remover.
Further, a third cyclone separator is arranged between the fluidized bed and the powder collecting tank, a heavy phase outlet of the third cyclone separator is connected with the powder collecting tank, and a light phase outlet of the third cyclone separator is connected with a negative pressure air inlet of the throat part of the venturi tube.
Further, the heavy phase outlet of the first cyclone separator is connected with the second cyclone separator through a powder collecting air inlet machine and an air inlet condensing dehydrator.
Further, the heavy phase outlet of the second cyclone separator is connected with the powder collecting tank.
Further, the light phase outlet of the second cyclone separator is connected with the tail gas port of the spray drying tower.
The beneficial effects of the utility model are as follows:
the utility model has the advantages that the baffle plate, the first nozzle component, the second nozzle component and the defoaming steel wire mesh are arranged in the dust remover body, the tube side of the exhaust tube of the water foam dust remover is prolonged, the generated airflow and water flow realize good direction changing and turbulence, the dust removing effect of the water curtain is greatly improved, and the problems of poor dust removing effect and frequent water and powder leakage are solved;
the utility model has the advantages that the second cyclone separator has the effect of further concentration, and can relieve the working pressure of a subsequent bag filter of the powder collecting tank and improve the material recovery rate;
the utility model has the advantages that the light phase outlet of the third cyclone separator is connected with the negative pressure air inlet of the throat part of the venturi tube, and the tail gas generated by the third cyclone separator can enter the venturi tube without adding extra power; compared with the prior art that the material air flow of the fluidized bed is directly led into the powder collecting tank, the working pressure of the bag filter in the subsequent working procedure of the powder collecting tank is greatly relieved.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the water foam dust collector of the utility model;
FIG. 3 is a schematic view of a first showerhead assembly of the present utility model;
FIG. 4 is a schematic view of a second showerhead assembly of the present utility model; in the accompanying drawings:
1. a spray drying tower; 2. a tail gas port; 3. a first cyclone separator; 4. a second cyclone separator; 5. a third cyclone separator; 6. a fluidized bed; 7. a powder collecting tank; 8. a powder collecting air inlet machine; 9. a circulating water tank; 10. a water foam dust remover; 11. a tail gas absorbing device; 12. a venturi tube; 13. a blower; 14. an external fluidized bed air inlet machine; 101. a second showerhead assembly; 102. a first showerhead assembly; 103. a baffle plate; 104. a defoaming steel wire mesh; 105. a dust collector body.
The specific embodiment is as follows:
in describing the present utility model, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the scope of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Specific embodiments of the utility model: the water curtain dust removal system of the yeast emulsion spray drying tower comprises a spray drying tower 1; the tail gas port 2 of the spray drying tower 1 is connected with the feed port of the first cyclone separator 3 through a pipeline, the light phase outlet of the first cyclone separator 3 is connected with the foam dust remover 10 through a pipeline and a fan 13, the gas outlet of the foam dust remover 10 is provided with a tail gas absorbing device 11 through a pipeline, and the discharge port of the spray drying tower 1 is connected with the powder collecting tank 7 through a pipeline and a fluidized bed 6;
the improvement points of the utility model are as follows:
the foam dust remover 10 comprises a dust remover body 105, wherein a baffle plate 103 is arranged at the top of the dust remover body 105, and a first spray head assembly 102, a second spray head assembly 101 and a foam removing steel wire mesh 104 are sequentially arranged below the baffle plate 103; the side wall of the dust remover body 105 positioned below the demisting steel wire mesh 104 is connected with a fan 13 through a pipeline;
in this way, the dust-containing tail gas is fully mixed with two layers of water mist sprayed by the first nozzle assembly 102 and the second nozzle assembly 101 in the water curtain dust remover, dust in the tail gas is captured, large liquid drops return to the circulating water tank 9 through the demisting steel wire mesh 104 under the action of gravity, and larger water drops collide with the top of the water curtain dust removal and flow back to the circulating water tank 9 along the cylinder wall of the dust remover body 105 at the baffle plate 103;
the bottom of the dust remover body 105 is connected with the circulating water tank 9 through a liquid guide pipe; the circulating water tank 9 is respectively connected with the first nozzle assembly 102 and the second nozzle assembly 101 through a water pump and a pipeline;
the first nozzle component 102 and the second nozzle component 101 both comprise annular brackets fixed with the inner wall of the dust remover body 105, annular water pipes are arranged in the annular brackets, the inner sides of the annular water pipes are communicated with I-shaped spray pipes, the spray pipes are uniformly provided with nozzles,
the first nozzle assembly 102 and the second nozzle assembly 101 are arranged in parallel along the horizontal direction, and the central axes of the I-shaped spray pipes of the first nozzle assembly 102 and the second nozzle assembly 101 are arranged vertically;
the airflow and the water flow of the first nozzle assembly 102 and the second nozzle assembly 101 arranged in the way realize good direction change and turbulence, so that the dust removal effect of the water curtain is greatly improved;
as a preferred embodiment of the present utility model:
a venturi tube 12 is arranged between the fan 13 and the water dust remover 10.
A third cyclone separator 5 is arranged between the fluidized bed 6 and the powder collecting tank 7, a heavy phase outlet of the third cyclone separator 5 is connected with the powder collecting tank 7, and a light phase outlet of the third cyclone separator 5 is connected with a negative pressure air inlet at the throat part of the venturi tube 12;
in this way, a third cyclone separator 5 is additionally arranged between the fluidized bed 6 and the powder collecting tank 7, a venturi tube 12 is arranged between the fan 13 and the water mist dust remover 10, the negative pressure internal suction principle of the venturi tube 12 is utilized, no additional power is needed, the tail gas generated by the third cyclone separator 5 can enter the venturi tube 12, and the dust and the water mist are fully mixed by changing the wind speed at high and low speeds, so that the dust capturing capacity is optimal; then the mixture is mixed with the light phase gas of the first cyclone separator 3 and enters a water curtain dust remover 10 for water curtain dust removal;
as a preferred embodiment of the present utility model:
the heavy phase outlet of the first cyclone separator 3 is connected with the second cyclone separator 4 through the powder collecting air inlet machine 8 and the air inlet condensing dehydrator, so that the heavy phase of the first cyclone separator 3 is separated by utilizing the cyclone effect of the second cyclone separator 4 again, the heavy phase enters the powder collecting tank 7, the light phase flows back to the tail gas port 2 of the spray drying tower 1, the effect of further concentration is achieved, the material recovery rate is improved to a certain extent, and the working pressure of a subsequent bag filter of the powder collecting tank 7 can be relieved.
The concrete work is as follows:
1. the hot air and the materials after drying in the spray drying tower 1 enter the first cyclone separator 3 through a discharge port, the light phase outlet of the first cyclone separator 3 is connected with the foam dust remover 10 through a pipeline, a venturi tube 12 and a fan 13 under the action of cyclone separation,
2. as the top of the dust remover body 105 of the water foam dust remover 10 is provided with the baffle plate 103, the first nozzle component 102, the second nozzle component 101 and the defoaming steel wire mesh 104 are sequentially arranged below the baffle plate 103; the tube side of the exhaust tube of the water dust remover, the airflow and the water flow of the first nozzle assembly 102 and the second nozzle assembly 101 are well changed and disturbed, so that the dust removing effect of the water curtain is greatly improved, and the problems of poor dust removing effect and frequent water and powder leakage are solved;
the heavy phase of the first cyclone separator 3 enters the added second cyclone separator 4 to achieve the effect of further concentration, the working pressure of the subsequent bag filter of the powder collecting tank 7 can be relieved, the light phase flows back to the tail gas port 2 of the spray drying tower 1, the material recovery rate is improved to a certain extent,
3. the heavy phase outlet of the third cyclone separator 5 is connected with the powder collecting tank 7, the light phase outlet of the third cyclone separator 5 is connected with the negative pressure air inlet of the throat part of the venturi tube 12, and the tail gas generated by the third cyclone separator 5 can enter the venturi tube 12 by utilizing the negative pressure internal suction principle of the venturi tube 12 without adding extra power, and then enters the water curtain dust remover 10 for water curtain dust removal after being mixed with the light phase gas of the first cyclone separator 3; compared with the prior art that the material air flow of the fluidized bed 6 is directly led into the powder collecting tank 7, the working pressure of the bag filter in the subsequent working procedure of the powder collecting tank 7 is greatly relieved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A water curtain dust removal system of a yeast emulsion spray drying tower comprises a spray drying tower (1); the tail gas port (2) of the spray drying tower (1) is connected with the feed inlet of the first cyclone separator (3) through a pipeline, the light phase outlet of the first cyclone separator (3) is connected with the foam dust remover (10) through a pipeline and a fan (13), the tail gas absorbing device (11) is arranged at the gas outlet of the foam dust remover (10) through a pipeline, and the discharge port of the spray drying tower (1) is connected with the powder collecting tank (7) through a pipeline and the fluidized bed (6); the method is characterized in that:
the foam dust remover (10) comprises a dust remover body (105), wherein a baffle plate (103) is arranged at the top of the dust remover body (105), and a first spray head assembly (102), a second spray head assembly (101) and a foam removing steel wire mesh (104) are sequentially arranged below the baffle plate (103);
the side wall of the dust remover body (105) positioned below the demisting steel wire mesh (104) is connected with a fan (13) through a pipeline;
the bottom of the dust remover body (105) is connected with a circulating water tank (9) through a liquid guide pipe; the circulating water tank (9) is respectively connected with the first spray head assembly (102) and the second spray head assembly (101) through a water pump and a pipeline;
the first nozzle component (102) and the second nozzle component (101) both comprise annular brackets fixed with the inner wall of the dust remover body (105), annular water pipes are arranged in the annular brackets, the inner sides of the annular water pipes are communicated with I-shaped spray pipes, the spray pipes are uniformly provided with nozzles,
the first spray head assembly (102) and the second spray head assembly (101) are arranged in parallel along the horizontal direction, and the central axes of the I-shaped spray pipes of the first spray head assembly (102) and the second spray head assembly (101) are arranged vertically.
2. A yeast emulsion spray drying tower water curtain dust removal system according to claim 1, characterized in that a venturi (12) is arranged between the fan (13) and the water foam dust remover (10).
3. The water curtain dust removal system of the yeast emulsion spray drying tower according to claim 2, characterized in that a third cyclone separator (5) is further arranged between the fluidized bed (6) and the powder collecting tank (7), a heavy phase outlet of the third cyclone separator (5) is connected with the powder collecting tank (7), and a light phase outlet of the third cyclone separator (5) is connected with a negative pressure air inlet of a throat part of the venturi tube (12).
4. The water curtain dust removal system of the yeast emulsion spray drying tower according to claim 1, wherein the heavy phase outlet of the first cyclone separator (3) is connected with the second cyclone separator (4) through a powder collecting air inlet machine (8) and an air inlet condensing dehydrator.
5. The water curtain dust removal system of a yeast emulsion spray drying tower according to claim 4, characterized in that the heavy phase outlet of the second cyclone separator (4) is connected with a powder collecting tank (7).
6. The water curtain dust removal system of a yeast emulsion spray drying tower according to claim 4, wherein the light phase outlet of the second cyclone separator (4) is connected with the tail gas port (2) of the spray drying tower (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322445054.6U CN220758530U (en) | 2023-09-08 | 2023-09-08 | Yeast emulsion spray drying tower water curtain dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322445054.6U CN220758530U (en) | 2023-09-08 | 2023-09-08 | Yeast emulsion spray drying tower water curtain dust pelletizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220758530U true CN220758530U (en) | 2024-04-12 |
Family
ID=90618945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322445054.6U Active CN220758530U (en) | 2023-09-08 | 2023-09-08 | Yeast emulsion spray drying tower water curtain dust pelletizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220758530U (en) |
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2023
- 2023-09-08 CN CN202322445054.6U patent/CN220758530U/en active Active
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