CN113304576A - Tail gas recovery device of pig blood protein powder - Google Patents
Tail gas recovery device of pig blood protein powder Download PDFInfo
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- CN113304576A CN113304576A CN202110708400.8A CN202110708400A CN113304576A CN 113304576 A CN113304576 A CN 113304576A CN 202110708400 A CN202110708400 A CN 202110708400A CN 113304576 A CN113304576 A CN 113304576A
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- pig blood
- atomization
- recovery device
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- tail gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cyclones (AREA)
Abstract
The invention relates to the technical field of pig blood powder production, and discloses a tail gas recovery device of pig blood protein powder, which comprises a heat exchanger, an atomization box and a cyclone separator which are sequentially connected through a gas pipeline, wherein the heat exchanger comprises a shell and a heat exchange pipe; the atomization box comprises a box body and an atomization nozzle; an exhaust pipe is arranged at the top of the cyclone separator, and a recovery box is connected to the bottom of the cyclone separator. Tail gas enters the heat exchanger in advance, reduces the temperature of air current, and atomizing nozzle spouts the atomizing liquid drop to the air current in, and the pig blood powder condenses the pig blood powder granule that forms the major diameter each other under the effect of liquid drop, increases the quality of pig blood powder granule, and the pig blood powder granule and the gas of major diameter can obviously stratify, and the pig blood powder granule gets into the collection box along the inner wall landing of barrel, and gas is then discharged by the blast pipe, has improved cyclone's effect.
Description
Technical Field
The invention relates to the technical field of pig blood powder production, in particular to a tail gas recovery device of pig blood protein powder.
Background
The pig blood protein powder is also called pig blood globulin powder, and is prepared by separating blood plasma from fresh pig blood, adding enzyme for hydrolysis, decoloring by active carbon, carrying out vacuum concentration, and carrying out spray drying, wherein the average content of protein is 80%, the content of free amino acid is more than 40%, eight kinds of amino acid necessary for human body are complete, particularly, the content of lysine is highest (7-10%), the pig blood protein powder can be used as a nutrient to be added into various beverages for infants, children, old people and convalescent patients to drink, and can also be refined into input medicines and chemical reagents.
When the pig blood protein powder is produced, a spray drying mode is usually adopted for treatment, a spray drying agent is utilized to evaporate slurry by means of heat to obtain powdery pig blood powder, the pig blood powder is collected after precipitation, and tail gas is discharged to the atmosphere. However, due to the process and the like, after the pig blood powder is collected by spray drying, the discharged tail gas still contains pig blood powder particles with smaller diameters, and the discharged pig blood powder particles not only pollute the atmosphere, but also waste resources and increase the production cost of the pig blood powder.
Chinese patent No. CN208406348U discloses a tail gas treatment device for pig blood protein powder preparation, which comprises a cyclone separator, a transition device, a collector and a fixing mechanism, wherein the cyclone separator, the transition device and the collector are sequentially arranged in the fixing mechanism from top to bottom; and the two ends of the transition device are respectively connected with the cyclone separator and the collector; the fixing mechanism comprises a placing frame, a fixing plate and a lower bracket; a first placing groove is formed in the placing frame, and a cyclone separator is arranged in the first placing groove in a matching manner; the upper part of the cyclone separator is provided with an air inlet pipe and a valve; the transition includes a transition body and a mounting bracket.
The tail gas treatment device utilizes the cyclone separator to treat the tail gas, and the collector is utilized to collect the recovered pig blood powder particles. However, the working principle of the cyclone separator is that centrifugal force is adopted to separate gas and solid, the gas generates centrifugal force when rotating, the gas and the solid are positioned at the inner side and the outer side due to different masses, and the gas and the solid can be separated and screened after being layered.
However, the pig blood powder in the tail gas is discharged along with the tail gas through the filtering structure after being atomized and dried, the particle diameter of the pig blood powder in the tail gas is small, the weight of the pig blood powder is light, the layering effect of the gas and the pig blood powder is poor, and the cyclone separation effect is poor.
Disclosure of Invention
The purpose of the invention is: the utility model provides a tail gas recovery unit of pig blood albumen powder to cyclone's the not good problem of effect when solving the pig blood powder tail gas treatment among the prior art.
In order to achieve the aim, the invention provides a tail gas recovery device of porcine blood protein powder, which comprises a heat exchanger, an atomization box and a cyclone separator which are sequentially arranged, wherein the heat exchanger, the atomization box and the cyclone separator are sequentially connected through a gas pipeline,
the heat exchanger comprises a shell and a heat exchange tube arranged in the shell, wherein one end of the shell is provided with an air inlet tube, the shell is also provided with a liquid inlet and a liquid outlet, and the heat exchange tube is connected between the liquid inlet and the liquid outlet;
the atomization box comprises a box body and an atomization nozzle arranged in the box body, and an atomization pipeline connected with the atomization nozzle is arranged on the box body;
the cyclone separator comprises a cylinder, the gas pipeline is tangentially connected with the cylinder, an exhaust pipe coaxial with the cylinder is arranged at the top of the cyclone separator, and a recovery box is connected to the bottom of the cyclone separator.
Preferably, the atomizing nozzles are arranged on the top of the box body, and a plurality of the atomizing nozzles are arranged at intervals along the flowing direction of the gas.
Preferably, a booster pump is further arranged on the atomization pipeline.
Preferably, a cylindrical filter screen is further arranged in the cylinder, the filter screen is arranged in the middle of the cylinder, and the bottom end of the exhaust pipe extends into the filter screen.
Preferably, a vibration generator is further arranged on the cylinder body, a vibration rod is connected to the vibration generator, and the vibration rod is abutted to the filter screen.
Preferably, the vibration generator is arranged in plurality at intervals along the circumferential direction of the filter screen.
Preferably, a funnel-shaped collecting pipe is arranged at the bottom of the cylinder body, and the bottom of the collecting pipe is connected with the recycling tank.
Preferably, the heat exchange tube is a spiral tube extending spirally.
Compared with the prior art, the tail gas recovery device of the pig blood protein powder provided by the embodiment of the invention has the beneficial effects that: the heat exchanger, the atomization box and the cyclone separator are sequentially arranged, tail gas generated after the pig blood powder is atomized and dried enters the heat exchanger, air flow exchanges heat with a heat exchange tube in the heat exchanger, heat in the tail gas is recycled, energy is saved, meanwhile, the temperature of the air flow is reduced, atomized liquid drops are sprayed into the air flow by an atomization nozzle after the air flow enters the atomization box, moisture in the air flow is increased, the pig blood powder is mutually condensed under the action of the liquid drops, pig blood powder particles with small diameters form large-diameter pig blood powder particles, the quality of the pig blood powder particles is increased, the air flow cooled by the heat exchanger is more convenient for the condensation of the pig blood powder particles, and the condensation efficiency is improved; the air current passes through gas pipeline again and gets into cyclone, because gas pipeline tangential connects the barrel, the air current forms the whirl in the barrel, and the pig blood powder granule of major diameter and gas can obviously be layered, and the landing of the inner wall of pig blood powder granule along the barrel gets into the collection box, and gas is then discharged by the blast pipe, has improved cyclone's effect.
Drawings
FIG. 1 is a schematic structural diagram of a tail gas recovery device of porcine blood protein powder of the present invention.
In the figure, 1, a heat exchanger; 11. a housing; 12. a heat exchange pipe; 13. a liquid inlet; 14. a liquid outlet; 2. an atomization box; 21. a box body; 22. an atomizing nozzle; 23. an atomization conduit; 24. a booster pump; 3. a cyclone separator; 31. a barrel; 32. a filter screen; 33. a collection pipe; 4. an air inlet pipe; 5. an exhaust pipe; 6. a recycling bin; 7. a vibration generator; 71. a vibrating rod.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The preferred embodiment of the tail gas recovery device of the pig blood protein powder is shown in fig. 1, and comprises a heat exchanger 1, an atomization box 2 and a cyclone separator 3, wherein the heat exchanger 1, the atomization box 2 and the cyclone separator 3 are sequentially connected through a gas pipeline, the heat exchanger 1 is used for exchanging heat with airflow to reduce the temperature of the airflow and recover the heat of the airflow, the atomization box 2 is used for spraying atomized liquid into the airflow, and the cyclone separator 3 is used for separating pig blood powder particles and gas in the airflow.
The heat exchanger 1 includes a housing 11 and a heat exchange tube 12, the housing 11 being of a cylindrical structure, the heat exchange tube 12 being disposed inside the housing 11. An air inlet pipe 4 is arranged at one end of the shell 11, the other end of the shell is connected with the atomization box 2 through a gas pipeline, and waste gas enters the heat exchanger 1 through the air inlet pipe 4. The bottom of the shell 11 is also provided with a liquid inlet 13 and a liquid outlet 14, the liquid inlet 13 and the liquid outlet 14 are arranged at intervals along the axial direction of the shell 11, the liquid inlet 13 is arranged at one end far away from the air inlet pipe 4, one end of the heat exchange pipe 12 is connected with the liquid inlet 13, and the other end of the heat exchange pipe is connected with the liquid outlet 14.
Preferably, the heat exchange tube 12 is a spiral tube extending spirally, the central line of the spiral tube is coaxial with the shell 11, the surface area of the spiral tube is large, the contact area of the air flow and the heat exchange tube 12 can be increased, and the heat exchange efficiency is improved. The tail gas after the atomization drying of the pig blood powder enters the heat exchanger 1, the air flow exchanges heat with the heat exchange tube 12 in the heat exchanger 1, the heat in the tail gas is recycled, the energy is saved, and meanwhile, the temperature of the air flow is reduced. After the liquid in the heat exchange tube 12 exchanges heat with the air flow, the temperature of the liquid rises, and the liquid after being heated can be used for the production operation of the pig blood powder and can also be used for being output outwards through a pipeline, so that the energy is saved.
The atomization box 2 comprises a box body 21 and an atomization nozzle 22, the box body 21 is of a cuboid structure, one end of the box body 21 is connected with the heat exchanger 1 through a gas pipeline, and the other end of the box body 21 is connected with the cyclone separator 3 through a gas pipeline. The atomizing nozzle 22 is arranged on the top of the box body 21, the atomizing pipe 23 is arranged on the box body 21, the atomizing pipe 23 is connected with the atomizing nozzle 22, and the atomizing pipe 23 is used for conveying liquid to the atomizing nozzle 22 so that the atomizing nozzle 22 can add atomized liquid drops into the air flow after atomization.
Preferably, the two atomizing nozzles 22 are arranged at intervals in the flow direction of the air flow, and the two atomizing nozzles 22 can increase the addition efficiency of the atomized liquid droplets. In other embodiments, the number of atomizing nozzles 22 may be increased or decreased, i.e., the number of atomizing nozzles 22 may also be one, three, four, etc., depending on the size of the atomizing box 2. Preferably, a booster pump 24 is further disposed on the atomizing conduit 23, and the booster pump 24 can increase the pressure of the liquid in the atomizing conduit 23 to facilitate the spraying of the atomized liquid droplets from the atomizing nozzle 22.
After the atomizing nozzle 22 adds liquid drops into the air flow, the moisture in the air flow is increased, the pig blood powder is mutually condensed under the action of the liquid drops, and the pig blood powder particles with small diameters form large-diameter pig blood powder particles, so that the quality of the pig blood powder particles is increased. And the temperature of the air flow is reduced after the air flow absorbs heat through the heat exchanger 1, so that the pig blood powder particles are more convenient to coagulate, and the coagulation efficiency is improved.
The cyclone separator 3 comprises a cylinder 31, the cylinder 31 is of a cylindrical structure, and the cylinder 31 is connected with the box body 21 of the atomization box 2 through a gas pipeline, wherein the gas pipeline is tangentially connected with the cylinder 31, namely the central line of the gas pipeline is perpendicular to the diameter of the cylinder 31. After entering the cylinder 31 through the gas pipeline, the gas flow rotates in the circumferential direction under the guiding action of the inner wall of the cylinder 31, and gas and solid are separated under the action of centrifugal force.
The exhaust pipe 5 is arranged at the top of the cylinder 31, the exhaust pipe 5 and the cylinder 31 are coaxially arranged, the pig blood powder is located at the outer side of the cylinder 31 after the airflow layering and attached to the inner wall of the cylinder 31, and the gas is located at the center of the cylinder 31 after the gas rotating movement and can be discharged out of the cylinder 31 through the exhaust pipe 5. The exhaust pipe 5 and the cylinder 31 are coaxially arranged, and the position of the exhaust pipe is the same as that of gas after the gas flow is layered, so that the gas is conveniently exhausted.
A filter screen 32 is further arranged in the cylinder 31, the filter screen 32 is of a cylindrical structure, the filter screen 32 is arranged in the middle of the cylinder 31, and the filter screen 32 is coaxial with the cylinder 31. Only the top of the filter screen 32 is open and is fixedly connected with the cylinder 31, and the bottom end of the exhaust pipe 5 extends into the filter screen 32. Before the air flow enters the exhaust pipe 5, the large particle pig blood powder after condensation is filtered out by the filter screen 32, so that the content of the pig blood powder in the finally discharged tail gas is further reduced.
The bottom of the cylinder 31 is also arranged with a funnel-shaped collecting pipe 33, the bottom of the collecting pipe 33 being connected with the recovery tank 6. Pig blood powder granule and gaseous layering after condensing, pig blood powder can distribute in the position of pressing close to 31 inner walls of barrel, and landing downwards under the effect of gravity gets into collection box 6 through collecting pipe 33 in, retrieves the pig blood powder in the tail gas, has reduced the waste, has reduced the manufacturing cost of pig blood powder.
To sum up, the embodiment of the invention provides a tail gas recovery device of pig blood protein powder, a heat exchanger, an atomization box and a cyclone separator are sequentially arranged, tail gas after pig blood powder is atomized and dried enters the heat exchanger, heat exchange is carried out between air flow and a heat exchange pipe in the heat exchanger, heat in the tail gas is recycled, energy is saved, meanwhile, the temperature of the air flow is reduced, atomized liquid drops are sprayed into the air flow by an atomization nozzle after the air flow enters the atomization box, water in the air flow is increased, the pig blood powder is mutually condensed under the action of the liquid drops, pig blood powder particles with small diameters form pig blood powder particles with large diameters, the quality of the pig blood powder particles is increased, the air flow cooled by the heat exchanger is more convenient for the condensation of the pig blood powder particles, and the condensation efficiency is improved; the air current passes through gas pipeline again and gets into cyclone, because gas pipeline tangential connects the barrel, the air current forms the whirl in the barrel, and the pig blood powder granule of major diameter and gas can obviously be layered, and the landing of the inner wall of pig blood powder granule along the barrel gets into the collection box, and gas is then discharged by the blast pipe, has improved cyclone's effect.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. The tail gas recovery device of the pig blood protein powder is characterized by comprising a heat exchanger, an atomization box and a cyclone separator which are sequentially arranged, wherein the heat exchanger, the atomization box and the cyclone separator are sequentially connected through a gas pipeline,
the heat exchanger comprises a shell and a heat exchange tube arranged in the shell, wherein one end of the shell is provided with an air inlet tube, the shell is also provided with a liquid inlet and a liquid outlet, and the heat exchange tube is connected between the liquid inlet and the liquid outlet;
the atomization box comprises a box body and an atomization nozzle arranged in the box body, and an atomization pipeline connected with the atomization nozzle is arranged on the box body;
the cyclone separator comprises a cylinder, the gas pipeline is tangentially connected with the cylinder, an exhaust pipe coaxial with the cylinder is arranged at the top of the cyclone separator, and a recovery box is connected to the bottom of the cyclone separator.
2. The tail gas recovery device of porcine blood protein powder according to claim 1, wherein the atomizing nozzle is arranged at the top of the box body, and a plurality of atomizing nozzles are arranged at intervals along the flowing direction of the gas.
3. The tail gas recovery device of porcine blood protein powder according to claim 1, wherein a booster pump is further arranged on the atomization pipeline.
4. The exhaust gas recovery device of porcine blood protein powder according to any of claims 1-3, wherein a cylindrical filter screen is further disposed in the cylinder, the filter screen is disposed in the middle of the cylinder, and the bottom end of the exhaust pipe extends into the filter screen.
5. The tail gas recovery device of pig blood protein powder according to claim 4, wherein a vibration generator is further arranged on the cylinder body, a vibration rod is connected to the vibration generator, and the vibration rod is abutted to the filter screen.
6. The exhaust gas recovery device of porcine blood protein powder according to claim 5, wherein the vibration generator is arranged in plurality along the circumference of the filter screen at intervals.
7. The tail gas recovery device of porcine blood protein powder according to any one of claims 1 to 3, wherein a funnel-shaped collecting pipe is arranged at the bottom of the cylinder body, and the bottom of the collecting pipe is connected with the recovery box.
8. The exhaust gas recovery device of porcine blood protein powder according to any one of claims 1 to 3, wherein the heat exchange tube is a spiral tube extending spirally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708400.8A CN113304576A (en) | 2021-06-24 | 2021-06-24 | Tail gas recovery device of pig blood protein powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708400.8A CN113304576A (en) | 2021-06-24 | 2021-06-24 | Tail gas recovery device of pig blood protein powder |
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| Publication Number | Publication Date |
|---|---|
| CN113304576A true CN113304576A (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110708400.8A Pending CN113304576A (en) | 2021-06-24 | 2021-06-24 | Tail gas recovery device of pig blood protein powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116697733A (en) * | 2023-06-29 | 2023-09-05 | 安徽森米诺智能装备有限公司 | Gas-liquid two-phase waste heat recovery process, equipment and application thereof in grain drying |
-
2021
- 2021-06-24 CN CN202110708400.8A patent/CN113304576A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116697733A (en) * | 2023-06-29 | 2023-09-05 | 安徽森米诺智能装备有限公司 | Gas-liquid two-phase waste heat recovery process, equipment and application thereof in grain drying |
| CN116697733B (en) * | 2023-06-29 | 2024-04-05 | 安徽森米诺智能装备有限公司 | Gas-liquid two-phase waste heat recovery process, equipment and application thereof in grain drying |
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