CN215864552U - Hot air system for protein drying - Google Patents
Hot air system for protein drying Download PDFInfo
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- CN215864552U CN215864552U CN202122112994.4U CN202122112994U CN215864552U CN 215864552 U CN215864552 U CN 215864552U CN 202122112994 U CN202122112994 U CN 202122112994U CN 215864552 U CN215864552 U CN 215864552U
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Abstract
The utility model relates to a hot air system for drying protein, which comprises a steam heater, a water supply tank, a water supply pump, a steam receiver and a condensate heater, wherein a third inlet of the water supply tank is communicated with a first outlet of the steam heater through a pipeline; a fourth inlet of the water feeding pump is communicated with a third outlet of the water feeding tank through a pipeline; a fifth inlet of the steam receiver is communicated with a fifth outlet of the water feeding pump through a pipeline, and a sixth inlet of the steam receiver is communicated with a fourth outlet of the water feeding tank through a pipeline; and a seventh inlet of the condensate heater is communicated with a sixth outlet of the steam receiver, and an eighth outlet of the condensate heater is communicated with a second inlet of the steam heater through a pipeline. The system can effectively control the flash evaporation phenomenon of the steam condensate and maintain the stable operation of the hot air system.
Description
Technical Field
The utility model belongs to the technical field of industrial drying equipment, and particularly relates to a hot air system for protein drying.
Background
Currently, industrial tail gas is generally recycled in the form of combustion heating or power generation, SO that a large amount of pollutants such as CO2, SO2, dust and the like are emitted. The industrial tail gas is directly converted into liquid ethanol and mycoprotein as a raw material, SO that the emission of CO2, SO2 and particulate matters caused by combustion can be effectively reduced, and the method has positive effects on treating haze weather and protecting the environment.
At present, the mycoprotein is prepared by spray drying of a mycoprotein centrifugal concentrated solution by a pressure spray drying process, which comprises a hot air system, a pressure spray drying tower, packaging, tail gas deodorization treatment and the like. The hot air system heats air in a steam and steam condensate heating mode to reach a proper temperature for a subsequent drying process, and an existing water supply pipeline of a steam condensate heater of an existing protein drying system is as follows: the steam condensate is discharged from the steam heater, directly passes through the steam trap and then enters the steam condensate heater with the same horizontal height, and the condensate pipeline enters and exits from the lower part and the upper part. According to the existing flow arrangement, the circulation of condensate is not smooth, meanwhile, because the temperature of steam condensate is higher, and partial uncondensed vapor phase exists, when high-pressure condensate and vapor phase enter a steam condensate heater with lower pressure, the phenomenon of violent flash evaporation exists, and then the phenomenon of water hammer of a pipeline and a condensate heater is caused, so that the heater can not normally operate, equipment water leakage or damage is easily caused, and the operation of the device and the quality of a protein product are further influenced.
Therefore, the hot air system for drying the protein is optimally designed, the flash evaporation phenomenon of the steam condensate is controlled, and the stable operation of the hot air system is maintained, so that the method has important significance.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides the hot air system for drying the protein, which can effectively control the flash evaporation phenomenon of the steam condensate and maintain the stable operation of the hot air system.
The utility model discloses a hot air system for drying protein, which is characterized by comprising the following components:
the steam heater is provided with a first inlet, a second inlet, a first outlet and a second outlet;
the water supply tank is provided with a third inlet, a third outlet and a fourth outlet, and the third inlet of the water supply tank is communicated with the first outlet of the steam heater through a pipeline;
the water feeding pump is provided with a fourth inlet and a fifth outlet, and the fourth inlet of the water feeding pump is communicated with the third outlet of the water feeding tank through a pipeline;
the steam receiver is provided with a fifth inlet, a sixth inlet and a sixth outlet, the fifth inlet of the steam receiver is communicated with the fifth outlet of the water feeding pump through a pipeline, and the sixth inlet of the steam receiver is communicated with the fourth outlet of the water feeding tank through a pipeline;
the steam receiver comprises a condensate heater, wherein a seventh inlet, a seventh outlet, an eighth outlet and a ninth outlet are formed in the condensate heater, the seventh inlet of the condensate heater is communicated with the sixth outlet of the steam receiver, and the eighth outlet of the condensate heater is communicated with the second inlet of the steam heater through a pipeline.
Preferably, the eighth inlet and the eighth outlet of the condensate heater and the second inlet and the second outlet of the steam heater are disposed at the same level.
Preferably, the first inlet of the steam heater is disposed at the top of the steam heater.
Preferably, the water supply tank is arranged below the steam heater, the first outlet of the steam heater is arranged at the bottom of the steam heater, and the third inlet of the water supply tank is arranged at the top of the water supply tank.
Preferably, the third outlet of the water supply tank is arranged at the bottom of the side wall of the water supply tank, and the fourth outlet of the water supply tank is arranged at the top of the water supply tank.
Preferably, the level of the third outlet of the feed water tank is higher than the level of the fourth inlet of the feed water pump.
Preferably, the vapour receiver is located at the top of the condensate heater.
Preferably, the fifth inlet and the sixth inlet of the steam receiver are both arranged at the top of the steam receiver.
The utility model has the beneficial effects that:
according to the hot air system for protein drying, the water feeding tank and the water feeding pump are arranged between the steam heater and the condensate heater, the flash evaporation phenomenon of the high-temperature and high-pressure condensate is controlled to occur in the water feeding tank, the phenomenon that the high-temperature and high-pressure condensate is directly fed into an internal pipeline of the condensate heater to cause large impact force on equipment and pipelines and easily cause equipment damage and damage to stable operation of the device is avoided, and the vapor in a gas phase and the condensate in a liquid phase are conveyed by pipelines, so that the utilization of the heat value of the vapor condensate is ensured to the maximum extent. The hot air system is simple in structure, stable in operation, low in failure rate and good in practical value.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a hot air system for drying protein according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model discloses a hot air system for protein drying, which comprises a steam heater 2, a water supply tank 3, a water supply pump 4, a steam receiver 5 and a condensate heater 1.
Specifically, as shown in fig. 1, a first inlet, a second inlet, a first outlet and a second outlet are arranged on the steam heater 2, a third inlet, a third outlet and a fourth outlet are arranged on the water supply tank 3, the third inlet of the water supply tank 3 is communicated with the first outlet of the steam heater 2 through a pipeline, a fourth inlet and a fifth outlet are arranged on the water supply pump 4, the fourth inlet of the water supply pump 4 is communicated with the third outlet of the water supply tank 3 through a pipeline, a fifth inlet, a sixth inlet and a sixth outlet are arranged on the steam receiver 5, the fifth inlet of the steam receiver 5 is communicated with the fifth outlet of the water supply pump 4 through a pipeline, the sixth inlet of the steam receiver 5 is communicated with the fourth outlet of the water supply tank 3 through a pipeline, a seventh inlet, a seventh outlet and an eighth outlet are arranged on the condensate heater 1, the seventh inlet of the condensate heater 1 is communicated with the sixth outlet of the steam receiver 5, the eighth outlet of the condensate heater 1 is in communication with the second inlet of the steam heater 2 via a conduit.
Further, as shown in fig. 1, an eighth inlet of the condensate heater 1 is used for introducing air, the air flows out from the eighth outlet after being heated by the condensate in the condensate heater 1, enters the steam heater 2 through a second inlet of the steam heater 2, is further heated by the steam in the steam heater 2, flows out from the second outlet of the steam heater 2 after reaching a certain temperature, and enters the drying tower for subsequent drying of the protein liquid spray.
As shown in fig. 1, high-temperature steam is introduced into a first inlet of a steam heater 2, the high-temperature steam flows in an internal pipeline of the steam heater 2 to heat air introduced into a second inlet, and a part of the high-temperature steam flows out in a steam form through a first outlet and enters a water supply tank 3 from a third inlet of the water supply tank 3; another part will liquefy during the flow to condensate, which also enters the feed tank 3 through the third inlet. Because the condensate temperature that steam heater 2 flowed out, pressure are higher, the condensate produces the flash evaporation phenomenon in water-feeding tank 3, water-feeding tank 3 plays the effect of flash tank, provide the space of rapid gasification and vapor-liquid separation for the condensate, 3 steam that directly flow into water-feeding tank and the secondary steam that condensate vapor-liquid separation produced flow out through the fourth export, get into steam receiver 5 by the sixth entry of steam receiver 5, the remaining condensate flows out by the third export in water-feeding tank 3, flow into water-feeding pump 4 through the fourth entry of water-feeding pump 4, flow out by the fifth export through the pressurization of water-feeding pump 4, flow into steam receiver 5 through the sixth entry. The pipelines in the process are all heat-insulating pipelines so as to reduce the heat loss of steam and condensate in the pipeline process.
As shown in fig. 1, the vapor receiver 5 has a function of liquefying vapor, the vapor flowing in from the sixth inlet may be liquefied to form condensate, the condensate flowing in from the fifth inlet and the condensate formed by liquefying the vapor from the sixth inlet are received by the vapor receiver 5, and flow out from the sixth outlet at a certain flow rate, flow into the internal pipe of the condensate heater 1 through the seventh inlet of the condensate heater 1, heat the air introduced from the eighth inlet, and then the condensate is discharged from the ninth outlet.
As can be seen from fig. 1, in the hot air system for drying protein according to the embodiment of the present invention, the water feed tank 3 and the water feed pump 4 are disposed between the steam heater 2 and the condensate heater 1, so as to control the flash evaporation phenomenon of the high-temperature and high-pressure condensate to occur in the water feed tank 3, thereby avoiding the direct feeding of the high-temperature and high-pressure condensate into the internal pipeline of the condensate heater 1, which causes a large impact force on equipment and pipelines, easily causing damage to the equipment, and damaging the stable operation of the apparatus.
Preferably, referring to fig. 1, the eighth inlet and the eighth outlet of the condensate heater 1 and the second inlet and the second outlet of the steam heater 2 are disposed at the same horizontal height, and the inlet and the outlet are used for conveying air.
Preferably, referring to fig. 1, a first inlet of the steam heater 2 is disposed at the top of the steam heater 2, and high-temperature steam is continuously introduced into the first inlet and flows into a space using the steam heater 2 from the top to the maximum extent, so that an internal pipe of the steam heater 2 is as long as possible, and the steam stays for as long as possible, thereby sufficiently heating air and improving the utilization efficiency of steam heat.
Preferably, with reference to fig. 1, the water supply tank 3 is disposed below the steam heater 2, the first outlet of the steam heater 2 is disposed at the bottom of the steam heater 2, the third inlet of the water supply tank 3 is disposed at the top of the water supply tank 3, steam flowing out of the steam heater 2 is pushed to flow out through steam introduced through the first inlet, condensate formed by steam liquefaction flows downwards under the action of gravity through the steam heater 2 and the water supply tank 3 which are disposed up and down, the direct outflow of the condensate is facilitated at the bottom of the steam heater 2 due to the arrangement of the first outlet, the accumulation of the condensate is avoided, the water storage space is maximized at the top of the water supply tank 3 due to the arrangement of the third inlet, and a larger space is provided for the condensate flash evaporation.
Preferably, with reference to fig. 1, the third outlet of the water supply tank 3 is disposed at the bottom of the side wall of the water supply tank 3, so that the condensate can flow out conveniently, the continuous heat loss caused by the accumulation of the condensate can be avoided, the fourth outlet is disposed at the top of the water supply tank 3, the steam density is low, and the steam can flow into the steam generator 5 upwards under the action force of continuous introduction conveniently.
Preferably, referring to fig. 1, the level of the third outlet of the water supply tank 3 is higher than the level of the fourth inlet of the water supply pump 4, since the temperature of the condensate in the water supply tank 3 needs to be maintained above 90 ℃, the cavitation margin of the water supply pump 4 at the condensate temperature is about several meters, which may cause great damage to the surface of the blade of the water supply pump, and the level of the third outlet is higher than the level of the fourth inlet, which may effectively increase the pressure of the liquid level in the liquid storage tank before the water supply pump 4, so as to increase the effective cavitation margin and reduce the loss of the water supply pump.
Further, with reference to fig. 1, the steam receiver 5 is disposed at the top of the condensate heater 1, the sixth outlet is directly communicated with the seventh inlet, the steam receiver 5 controls the condensate, so that the condensate is introduced into the condensate heater 1 at a certain flow rate, and the direct connection reduces the arrangement of the middle pipes, thereby reducing the heat loss.
Preferably, with reference to fig. 1, the fifth inlet and the sixth inlet of the steam receiver 5 are both disposed at the top of the steam receiver 5, so as to facilitate the liquefaction process of the internal steam from top to bottom, and make the condensate flow out from below.
In one or more embodiments, valves are disposed on pipes connected between the components of the hot air system, and are used for controlling the circulation or flow rate of steam and condensate between the components, so as to control the whole system.
In conclusion, according to the hot air system for protein drying, the water supply tank 3 and the water supply pump 4 are arranged between the steam heater 2 and the condensate heater 1, so that high-temperature and high-pressure condensate is subjected to flash evaporation in the water supply tank 3, and the damage to equipment and pipelines caused by the direct flash evaporation in the condensate heater 1 is avoided; the heat loss and equipment loss in the conveying process are reduced through the pipeline arrangement, and the heat value utilization of the steam condensate is ensured to the maximum extent. The hot air system is simple in structure, stable in operation, low in failure rate and good in practical value.
The above-mentioned embodiments are only for convenience of description of the utility model, and are not intended to limit the utility model in any way, and those skilled in the art will recognize that the utility model can be practiced without departing from the spirit and scope of the utility model.
Claims (8)
1. A hot air system for drying protein is characterized by comprising:
the steam heater is provided with a first inlet, a second inlet, a first outlet and a second outlet;
the water supply tank is provided with a third inlet, a third outlet and a fourth outlet, and the third inlet of the water supply tank is communicated with the first outlet of the steam heater through a pipeline;
the water feeding pump is provided with a fourth inlet and a fifth outlet, and the fourth inlet of the water feeding pump is communicated with the third outlet of the water feeding tank through a pipeline;
the steam receiver is provided with a fifth inlet, a sixth inlet and a sixth outlet, the fifth inlet of the steam receiver is communicated with the fifth outlet of the water feeding pump through a pipeline, and the sixth inlet of the steam receiver is communicated with the fourth outlet of the water feeding tank through a pipeline;
the steam receiver comprises a condensate heater, wherein a seventh inlet, a seventh outlet, an eighth outlet and a ninth outlet are formed in the condensate heater, the seventh inlet of the condensate heater is communicated with the sixth outlet of the steam receiver, and the eighth outlet of the condensate heater is communicated with the second inlet of the steam heater through a pipeline.
2. The hot air system for drying protein as claimed in claim 1, wherein the eighth inlet and the eighth outlet of the condensate heater and the second inlet and the second outlet of the steam heater are disposed at the same level.
3. The hot air system for drying protein as claimed in claim 1, wherein the first inlet of the steam heater is disposed at the top of the steam heater.
4. The hot air system for drying protein according to claim 1, wherein the water supply tank is disposed below the steam heater, the first outlet of the steam heater is disposed at the bottom of the steam heater, and the third inlet of the water supply tank is disposed at the top of the water supply tank.
5. The hot air system for protein drying according to claim 1, wherein the third outlet of the water supply tank is disposed at the bottom of the sidewall of the water supply tank, and the fourth outlet of the water supply tank is disposed at the top of the water supply tank.
6. The hot air system for drying protein as claimed in claim 5, wherein the third outlet of said water supply tank is higher than the fourth inlet of said water supply pump.
7. The hot air system for drying protein as claimed in claim 1, wherein said steam receiver is disposed on top of said condensate heater.
8. The hot air system for drying protein as claimed in claim 7, wherein the fifth inlet and the sixth inlet of the steam receiver are disposed at the top of the steam receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122112994.4U CN215864552U (en) | 2021-09-02 | 2021-09-02 | Hot air system for protein drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122112994.4U CN215864552U (en) | 2021-09-02 | 2021-09-02 | Hot air system for protein drying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215864552U true CN215864552U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122112994.4U Active CN215864552U (en) | 2021-09-02 | 2021-09-02 | Hot air system for protein drying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215864552U (en) |
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2021
- 2021-09-02 CN CN202122112994.4U patent/CN215864552U/en active Active
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