CN210251342U - Protein liquid defoaming and pressurizing conveying system - Google Patents
Protein liquid defoaming and pressurizing conveying system Download PDFInfo
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- CN210251342U CN210251342U CN201921043727.2U CN201921043727U CN210251342U CN 210251342 U CN210251342 U CN 210251342U CN 201921043727 U CN201921043727 U CN 201921043727U CN 210251342 U CN210251342 U CN 210251342U
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Abstract
The utility model discloses a protein liquid defoaming and pressurizing conveying system, which comprises a collecting tank, a defoaming pump and a pipeline pressurizing pump; a liquid inlet pipeline is arranged at the top of the collecting tank, an exhaust valve is arranged on the side wall of the collecting tank, an overflow pipe of the defoaming pump is connected with the collecting tank, and the height position of the joint of the overflow pipe and the side wall of the collecting tank is lower than that of the exhaust valve; the liquid outlet of the collecting tank is communicated with the liquid inlet of the defoaming pump, and the liquid outlet of the defoaming pump is communicated with the liquid inlet of the pipeline booster pump. The pressurizing and conveying system is specially designed for collecting liquid at a liquid phase outlet of a horizontal decanter centrifuge, and achieves the purposes of controlling foam release and defoaming and conveying liquid by pipeline pressurization. The method meets the requirement of non-pressure discharge of a liquid phase outlet of the horizontal decanter centrifuge, solves the problem that the liquid rich in protein generates a large amount of foam to influence the conveying due to the liquid pressure release and disturbance of a large collecting tank, and avoids the technical limitation that the maximum lift of a starch defoaming pump is only 0.3Mp and the defect that the horizontal decanter centrifuge must be matched with a large storage tank.
Description
Technical Field
The utility model belongs to the technical field of food processing or sewage treatment device, a protein liquid defoaming pressure boost conveying system is related to, starch processing separation juice such as mainly used potato, sweet potato, cassava, soybean and other all kinds of liquid accuse bubble, defoaming and the pressure boost conveying system who is rich in protein.
Background
The separated juice (process water) discharged from the starch processing process of potatoes, sweet potatoes, cassava, beans and the like carries a large amount of protein foam. The protein foam has large surface tension and firm structure, and is difficult to break by itself in a short time. Due to the existence of protein foam, the subsequent processing and utilization processes of collection, transmission, heating, separation, storage and the like of the separated juice are greatly influenced, and further the product quality and the production efficiency are influenced. When protein is extracted from starch-separating juice such as potato, a defoaming agent is usually added to suppress foaming. In order to avoid the influence of the defoaming agent on the quality of the protein, there are also employed physical defoaming methods such as defoaming by heating, mechanical defoaming by centrifugation or vacuum apparatus, or defoaming pumps as they are. However, in the process of extracting protein from potato starch such as potato by acid thermal flocculation, high temperature and high pressure become one of the limiting conditions of the defoaming pump as single power transmission. Because the highest rated working pressure (lift) of the common starch milk defoaming pump is not more than 3 kilograms (less than or equal to 0.3 Mp), and the lowest working pressure in the potato protein extraction process cannot be less than 4 kilograms (less than or equal to 0.4 Mp), normally is between 4 and 6 kilograms (0.4 and 0.6 Mp). In addition, in the existing potato protein extraction process, two process stages of separating small granular starch and separating and recovering floc protein are both adopted for solid-liquid separation by adopting a horizontal screw centrifuge. Normally, the liquid outlet of the horizontal screw centrifuge must be naturally discharged without pressure, namely, a liquid pipeline discharged by the centrifuge cannot be directly connected with a defoaming pump. The liquid at the outlet of the centrifuge must naturally flow into a large collection tank or sump before it can be pumped out using a de-foaming pump. The disturbance of high-speed rotation of the centrifugal machine and the release of pressure greatly accelerate the generation of protein foam, so that the subsequent liquid conveying efficiency is greatly reduced, even a large amount of foam overflows everywhere, and the scene is difficult to control.
Chinese patent 'a protein liquid foam eliminating system and technology' (patent number ZL 201410071090.3) and Chinese patent 'a protein liquid foam eliminating system' (patent number ZL 201420089401.4) all utilize a large-scale foam release jar, and the foam overflows from the export of tank top after releasing in a large amount in the jar, gets into the draught fan, gets into the defoaming machine under the guide of wind-force, through a plurality of broken bubble means such as the centrifugation of fan blade, collision and the shearing of metal mesh, reaches broken bubble and the mesh of retrieving liquid. The foam breaking device has the advantages of good foam breaking effect and the defects of large volume of the foam releasing tank, need of a high-power fan, a defoaming machine and the like.
The pure mechanical defoaming device can be divided into an in-tank defoaming device and an out-tank defoaming device. The structural form of the in-tank defoaming device mainly comprises a rake type, a rotary circular plate type, a spiral plate type and the like. The rake defoaming paddle has a simple structure, but is only suitable for the reaction process with a small foam generation amount (patent CN 201120229760.1). The rotating disk type is a relatively complex structure in which bubbles are broken by shearing action of centrifugal force generated by high-speed rotation of the disk. The spiral plate type utilizes centrifugal force generated by rotation of the stirring paddle to break bubbles, but the coverage area of the blades of the spiral plate is large, and the vertical height of the blades occupies larger effective volume in the tank (patent CN 201110316493.6), so that the spiral plate type protein foam breaking device is not ideal for eliminating a large amount of rapidly increased protein foams. The prior art has the problem that the prior art has the disadvantages that the shape of a rotating circular plate (paddle) is changed, and a defoaming device of Chinese patent CN202223936U is that a shearing force of a second supporting plate in a defoaming cavity arranged on a rotatable shaft during rotation breaks partial bubbles, and the prior art has poor effect of eliminating massive and stubborn protein foams by a mechanical defoaming device applied to a stirred tank reactor and the like. The defoaming device outside the tank mainly comprises a rotary blade type, a centrifugal force type, a cyclone separator (patent CN 200820160690.7), a deflector plate type and the like. And a plurality of rotating circular plates (paddles and rakes) are combined and arranged on a rotating shaft or defoamed in a combined mode inside and outside the tank body, for example, the CN202936417U fermentation liquid composite defoaming device adopts a multi-combination composite defoaming technology of rake type defoaming paddle arranged on a rotatable shaft, multi-layer filter screen defoaming and defoaming of stirring blades in an outer tank body, and the defoaming effect on small amount of common liquid foam is good. However, the elimination of high concentration, high foaming protein foams is still limited.
In the prior art, a single defoaming device is basically adopted, and a protein liquid defoaming and pressurizing conveying system which is formed by liquid collection, foam generation control, defoaming and a pressurizing pump in a matching manner is not adopted.
Disclosure of Invention
The utility model discloses it requires the non-pressure to discharge or large-scale collection tank (storage tank) liquid pressure release and disturbance lead to containing the liquid of abundant protein to produce the problem that a large amount of foams influence the conveying to potato class starch separation juice extraction protein in-process spiral shell centrifuge liquid phase export, a protein liquid collection tank is provided, defoaming pump and tubing pump tandem system, reach control foam release, the effect of defoaming and pipeline pressure boost, ensure the technical requirement of high-pressure high temperature operation in potato class protein extraction technology, overcome the technical limitation that starch milk defoaming pump lift is the highest only 0.3Mp and the drawback of the supporting large-scale collection tank of spiral shell centrifuge must crouch. Can be widely used for controlling foaming, defoaming and pressurizing transmission of separated juice and other protein-rich liquid in potato starch processing such as potatoes.
The utility model adopts the technical proposal that: a protein liquid foam pressurizing and conveying system comprises a collecting tank, a defoaming pump and a pipeline pressurizing pump; the top of collection tank is equipped with the inlet liquid pipeline, and in the outlet port of inlet liquid pipeline stretched into the collection tank, installed discharge valve on the collection tank lateral wall. An overflow pipe on the defoaming pump is connected with the collecting tank to return the overflow liquid to the collecting tank. The height of the connecting position of the overflow pipe and the side wall of the collecting tank is lower than that of the exhaust valve; the liquid outlet of collection tank and the inlet of defoaming pump intercommunication, the liquid outlet of defoaming pump and the inlet of pipeline booster pump intercommunication.
The utility model discloses pressure boost conveying system has following advantage:
1. the mesh cover arranged at the water outlet port of the liquid inlet pipeline can play the roles of breaking bubbles and slowing down the impact force of liquid; and the outlet port of the liquid inlet pipeline is closer to the outlet at the bottom of the collecting tank, the protein liquid flowing out from the outlet port of the liquid inlet pipeline can directly enter the outlet at the bottom of the collecting tank in a close range and then enter the inlet of the defoaming pump, and the protein liquid almost has no time to form foam and then enters the defoaming pump. Therefore, the protein liquid does not generate a large amount of foam, and the volume of the collecting tank is not designed to be large. In contrast, the bottom of the collection tank in FIG. 2 is sloped, and when the outlet is at the side or bottom, more protein foam is generated. Even the inlet channel goes out the water port and does not install the screen cover, also can restrain through the flow that increases follow-up defoaming pump and produce a large amount of foams, the accumulator need not design great yet.
2. The exhaust valve switch that collection tank upper portion edge set up is opened, keeps the collection tank interior outer atmospheric pressure unanimous, can avoid collection tank and internal duct pressure to bring backpressure to the horizontal spiral shell centrifuge export of front end, influences centrifuge separation effect. If the front end of the collecting tank is a horizontal screw centrifuge or a conveying pipeline with a centripetal pump, the problem of pressure release is not considered, an exhaust valve at the upper part of the collecting tank can be closed and is only used as exhaust gas when production is started; the design has wide application range and is more convenient.
3. The problem that the pumping amount of a defoaming pump and a pipeline pump and the water inflow of protein liquid are balanced is mainly considered, and the calculation of complex conveying parameters caused by the foaming problem is simplified.
4. The integrated structure has less equipment, small volume and less investment, and can be widely used for foam control, defoaming and pressurized conveying of separated juice and other various protein-rich liquid in potato starch processing, such as potatoes.
5. The method meets the requirement of non-pressure discharge of a liquid phase outlet of the horizontal decanter centrifuge, solves the problem that the liquid rich in protein generates a large amount of foam to influence the conveying due to the liquid pressure release and disturbance of a large collecting tank, and avoids the technical limitation that the maximum lift of a starch defoaming pump is only 0.3Mp and the defect that the horizontal decanter centrifuge must be matched with a large storage tank.
Drawings
Fig. 1 is a schematic view of a first embodiment of the defoaming and pressurizing conveying system of the present invention.
Fig. 2 is a schematic view of a second embodiment of the defoaming pressurized delivery system of the present invention.
Fig. 3 is a schematic view of the net cover in the defoaming and pressurizing conveying system of the present invention.
In the figure: 1. the device comprises a first collecting tank, a liquid inlet pipeline, a net cover, a first liquid outlet, a vent valve, a defoaming pump, a pipeline pump, a conveying pipeline, a pipeline pump, a conveying pipeline, a second liquid outlet, a second collecting tank, a metal net and a net sleeve, wherein the first collecting tank is 2, the liquid inlet pipeline is 3, the net cover is 4, the first liquid outlet is 5.
Detailed Description
The present invention will be described in detail with reference to the following examples.
As shown in fig. 1, the first embodiment of the defoaming and pressurizing conveying system of the present invention comprises a first collection tank 1, a defoaming pump 6 and a pipeline pump 9, wherein an exhaust valve 5 is installed on the upper portion of the side wall of the first collection tank 1, an overflow pipe 7 of the defoaming pump 6 is connected with the first collection tank 1, and the height position of the connection position of the overflow pipe 7 and the side wall of the first collection tank 1 is lower than the height of the exhaust valve 5; the bottom plate of the first collecting tank 1 is funnel-shaped, the outlet of the funnel-shaped bottom plate is a first liquid outlet 4, the first liquid outlet 4 is communicated with a liquid inlet of a defoaming pump 6, the liquid outlet of the defoaming pump 6 is communicated with a liquid inlet of a pipeline booster pump 9 through a pipeline 8, and the liquid outlet of the pipeline pump 9 is communicated with a conveying pipeline 10; the bottom of the first collection tank 1 is funnel-shaped.
The top of the first collecting tank 1 is provided with a liquid inlet pipeline 2, the water outlet port of the liquid inlet pipeline 2 extends into the first collecting tank 1, and the water outlet port of the liquid inlet pipeline 2 is provided with a net cover 3.
As shown in fig. 2, the second embodiment of the defoaming and pressurizing conveying system of the present invention comprises a second collection tank 12, a defoaming pump 6 and a pipeline pump 9, wherein an exhaust valve 5 is installed on the upper portion of the side wall of the second collection tank 21, an overflow pipe 7 of the defoaming pump 6 is connected with the second collection tank 12, and the height position of the connection position of the overflow pipe 7 and the side wall of the second collection tank 12 is lower than the height position of the exhaust valve 5; a second liquid outlet 11 on the second collecting tank 12 is positioned on the side wall or the bottom of the second collecting tank 12, the second liquid outlet 11 is communicated with a liquid inlet of the defoaming pump 6, a liquid outlet of the defoaming pump 6 is communicated with a liquid inlet of the pipeline pump 9 through a pipeline 8, and a liquid outlet of the pipeline pump 9 is communicated with the conveying pipeline 10; the bottom plate of second holding vessel 12 is wedge shape, and the bottom surface of this bottom plate is the plane promptly, and the up end is the inclined plane, and second liquid outlet 11 is located the lowest of this inclined plane, and the inclination on this inclined plane is 5 ~ 20.
The top of the second collecting tank 12 is provided with a liquid inlet pipeline 2, the water outlet port of the liquid inlet pipeline 2 extends into the second collecting tank 12, and the net cover 3 is installed at the water outlet port of the liquid inlet pipeline 2.
As shown in fig. 3, the mesh cover 3 in the defoaming and pressurizing conveying system of the present invention comprises a cylindrical mesh cover 14, wherein 1-4 layers of steps are arranged on the inner wall of the mesh cover 14, each layer of step is provided with a metal mesh 13, and the distance between two adjacent metal mesh 13 is 5-10 cm; the net cover 3 is arranged at the water outlet port of the liquid inlet pipeline 2.
The mesh cover 3 and the water outlet port of the liquid inlet pipeline 2 can be in threaded connection, can be in fastening screw connection, can be in rivet connection, and can also be in interference connection.
When 2-4 metal meshes 13 are installed in the mesh sleeve 14, the distance between every two adjacent metal meshes 13 is 5-10 cm; the mesh size of the metal mesh 13 is 1 × 1mm to 5 × 5 mm.
The distance between the liquid outlet at the bottom of the collecting tank and the water outlet port of the liquid inlet pipeline 2 is 5-150 cm.
The utility model discloses also can not install screen cover 3 among the defoaming pressure boost conveying system.
The volume of the collecting tank is mainly determined according to the flow rate of the protein liquid and the amount of protein foam. When the collecting tank is a cylindrical barrel, the height of the collecting tank is 100 cm-300 cm, the diameter of the collecting tank is 50 cm-150 cm, and the distance between the water outlet port of the liquid inlet pipeline 2 inserted into the collecting tank 1 and the liquid outlet 4 at the bottom of the protein liquid collecting tank 1 is 5 cm-90 cm.
The exhaust valve 5 is arranged on the upper side or the top of the collecting tank. Whether the exhaust valve 5 is closed or not is mainly determined by whether the process requirement collection tank at the front end of the protein liquid inlet is pressurized or not. If the front end of the protein liquid inlet is connected with liquid phase outlets such as a common horizontal decanter centrifuge and the like, the exhaust valve 5 needs to be opened in the whole stroke, so that the phenomenon that the separation effect of the centrifuge is influenced by reverse pressure caused by sealing of the liquid phase outlet of the common horizontal decanter centrifuge at the front end is avoided. If the front end of the protein liquid inlet is connected with a liquid phase outlet of a horizontal screw centrifuge with a centripetal pump and the like, the exhaust valve 5 can be closed and can also be used for exhausting when the machine is started or stopped.
The utility model discloses defoaming pressure boost conveying system well discharge valve 5's aperture is phi 10 ~ phi 120 mm.
Example 1
A net cover 3 with 4 layers of metal nets 13 is arranged at the water outlet of the liquid inlet pipeline 2. The flow discharged from the liquid phase port of the horizontal screw centrifuge is 40m3The protein liquid with foam enters a first collecting tank 1 through a liquid inlet pipeline 2 and a net cover 3 and then enters a first liquid outlet 4The defoaming pump 6 enters a pipeline pump 9 through a pipeline 8 for pressurization and then is sent into a conveying pipeline 10.
In embodiment 1, the first collection tank 1 is a cylindrical barrel, the bottom plate is funnel-shaped, the height of the tank body is 150cm, the diameter is 60cm, and the distance between the mesh cover 3 and the first liquid outlet 4 is 5 cm; the mesh size of the metal mesh 13 is 3 x 3mm, and the distance between adjacent metal meshes 13 is 5 mm.
The flow rate of the defoaming pump 6 is 80m3Flow rate of 9 pipeline pump 80 m/h3H, the head is 0.6 Mp; the overflow pipe 7 is connected from the upper part 2/3 of the first collection tank 1 and returns to the first collection tank 1. Because the front end of the process is a common horizontal screw centrifuge, the exhaust valve 5 at the upper part of the first collecting tank 1 needs to be opened, and the aperture phi of the exhaust valve 5 is 120 mm. The water pumping amount of the defoaming pump 6 and the pipeline pump 9 is balanced with the water inflow of the protein liquid, the whole protein liquid defoaming and pressurizing conveying system works normally, and the condition that the foam escapes out of the tank body does not occur.
Example 2
A net cover 3 with 3 layers of metal nets 13 is arranged at the water outlet of the liquid inlet pipeline 2. Liquid phase port discharge flow of horizontal screw centrifuge is 35m3Protein liquid with foam enters a second collecting tank 12 through a liquid inlet pipeline 2 and a net cover 3, then enters a defoaming pump 6 through a second liquid outlet 11, and then enters a pipeline pump 9 through a pipeline 8 to be pressurized and then is conveyed into a conveying pipeline 10.
In embodiment 2, the second collection tank 12 is a cylindrical barrel, the upper end surface of the bottom plate is an inclined surface inclined by 15 degrees, and the second liquid outlet 11 is located on the side surface of the lowest position of the tank bottom; the height of the tank body is 150cm, the diameter is 70cm, and the distance between the net cover 3 and the second liquid outlet 4 is 10 cm; the mesh size of the metal mesh 13 is 1 x 1mm, and the distance between adjacent metal meshes 13 is 7 mm.
Example 3
The water outlet port of the liquid inlet pipeline 2 is provided with a net cover 3 with 2 layers of metal nets 13. Flow rate of 42m discharged from liquid phase port of horizontal decanter centrifuge with centripetal pump3Protein solution with foam passes through inlet channel 2 and net lid 3 and gets into in the first holding tank 1, then gets into defoaming pump 6 through first liquid outlet 4, and the rethread pipeline 8 gets into behind the pipe pump 9 pressure boost, sends into pipeline 10.
In embodiment 3, the first collection tank 1 is a cylindrical barrel, the bottom plate is funnel-shaped, the height of the tank body is 180cm, the diameter is 50cm, and the distance between the bottom of the mesh cover 3 and the first liquid outlet 4 is 5 cm; the mesh size of the metal mesh 13 is 2 x 2mm, and the distance between adjacent metal meshes 13 is 5 mm.
Example 4
The water outlet port of the liquid inlet pipeline 2 is not provided with the net cover 3. Liquid phase port discharge flow of horizontal screw centrifuge is 39m3Protein liquid with foam enters the first collecting tank 1 through the liquid inlet pipeline 2, then enters the defoaming pump 6 through the first liquid outlet 4, and then enters the pipeline pump 9 through the pipeline 8 to be pressurized and then is sent into the conveying pipeline 10.
In embodiment 4, the first collection tank 1 is a cylindrical barrel, the bottom plate is funnel-shaped, the height of the tank body is 200cm, the diameter is 90cm, and the distance between the liquid outlet of the liquid inlet pipeline 2 and the first liquid outlet 4 is 150 cm.
Example 5
The water outlet port of the liquid inlet pipeline 2 is not provided with the net cover 3. Liquid phase port discharge flow of horizontal screw centrifuge is 30m3The protein liquid with foam enters a second collecting tank 12 through a liquid inlet pipeline 2, then enters a defoaming pump 6 through a second liquid outlet 11, and then enters a pipeline pump 9 through a pipeline 8 to be pressurized and then is sent into a conveying pipeline 10.
In embodiment 5, the second collection tank 12 is square cabinet-shaped, the upper end surface of the bottom plate is a slope inclined by 10 degrees, and the second liquid outlet 11 is located at the side surface of the lowest position of the tank bottom; the height of the tank body is 180cm, the width of the side is 100cm, and the distance between the liquid outlet of the liquid inlet pipeline 2 and the second liquid outlet 11 is 50 cm.
Example 6
The water outlet port of the liquid inlet pipeline 2 is not provided with the net cover 3. Liquid phase port discharge flow of horizontal screw centrifuge is 40m3Waste liquid after extracting protein passes through inlet channel 2 and gets into in the second holding tank 12, then gets into defoaming pump 6 through second liquid outlet 11, and pipeline 8 gets into behind the 9 pressure boost of tubing pump, sends into pipeline 10 again.
In embodiment 5, the second collection tank 12 is square cabinet-shaped, the upper end surface of the bottom plate is a slope inclined by 10 degrees, and the second liquid outlet 11 is located at the side surface of the lowest position of the tank bottom; the height of the tank body is 180cm, the width of the side is 100cm, and the distance between the liquid outlet of the liquid inlet pipeline 2 and the second liquid outlet 11 is 50 cm.
Example 7
The water outlet port of the liquid inlet pipeline 2 is provided with a net cover 3 with 2 layers of metal nets 13. The discharge flow of a liquid phase port of a horizontal screw centrifuge with a centripetal pump is 42m3The waste liquid after the extraction of protein through inlet channel 2 and net lid 3 get into first holding vessel 1 in, then get into defoaming pump 6 through first liquid outlet 4, behind rethread pipeline 8 entering tubing pump 9 pressure boost, send into pipeline 10.
In embodiment 3, the first collection tank 1 is a cylindrical barrel, the bottom plate is funnel-shaped, the height of the tank body is 180cm, the diameter is 50cm, and the distance between the bottom of the mesh cover 3 and the first liquid outlet 4 is 5 cm; the mesh size of the metal mesh 13 is 2 x 2mm, and the distance between adjacent metal meshes 13 is 5 mm.
Use the utility model discloses during defoaming pressure boost conveying system, the albumen liquid with foam gets into the holding vessel, through 2 water outlet port multilayer metal mesh's of inlet fluid pipeline broken bubble with slow down closely directly after the liquid impact force get into the holding vessel liquid outlet, pipeline liquid outlet can flee some bubbles with the clearance of holding vessel bottom, avoids inlet fluid pipeline 2 directly to influence centrifuge separation effect with 6 access connection of defoaming pump to the front end back pressure that spiral shell centrifuge exported and brought simultaneously. The exhaust valve 5 arranged on the upper edge of the collecting tank is opened to keep the air pressure inside and outside the collecting tank consistent. The protein liquid directly enters a defoaming pump 6 from an outlet at the bottom of the collecting tank for further defoaming and compressing, and then is conveyed to a pipeline pump for output. After the water pumping amount of the defoaming pump and the pipeline pump and the water inflow of the protein liquid reach balance, the whole protein liquid defoaming and pressurizing conveying system works normally, and the condition that foam escapes out of the tank body cannot occur.
The flow configuration of the defoaming pump 6 and the pipeline pump 9 is selected to be larger than the actual flow of the liquid entering the collecting tank. When the liquid entering the collection tank is liquid discharged by a centrifugal machine for extracting small-particle starch and fiber from potato starch separation juice raw water, the flow configuration and the selection of the defoaming pump 6 and the pipeline pump 9 are 2-2.5 times larger than the actual flow of the liquid. When the liquid entering the collecting tank is the liquid discharged by the centrifuge after protein extraction, the flow selection configuration of the defoaming pump 6 and the pipeline pump 9 is 1.5-2 times larger than the actual flow of the liquid.
The working pressure of the pipeline pump 9 is determined according to the requirements of the subsequent process.
The net cover 3 can increase the foam breaking effect in the protein liquid, and simultaneously slow down the disturbance of the liquid outlet impact force to the protein liquid and reduce the foam generation.
Claims (10)
1. The utility model provides a protein liquid defoaming pressure boost conveying system which characterized in that: comprises a collecting tank, a defoaming pump (6) and a pipeline pump (9); a liquid inlet pipeline (2) is arranged at the top of the collecting tank, a water outlet port of the liquid inlet pipeline (2) extends into the collecting tank, and an exhaust valve (5) is arranged at the upper part of the side wall of the collecting tank; an overflow pipe (7) of the defoaming pump (6) is connected with the upper part of the collecting tank, and the height position of the joint of the overflow pipe (7) and the side wall of the collecting tank is lower than that of the exhaust valve (5); the liquid outlet of the collecting tank is communicated with the liquid inlet of the defoaming pump (6), and the liquid outlet of the defoaming pump (6) is communicated with the liquid inlet of the pipeline pump (9).
2. The defoaming and pressurizing delivery system for protein fluid as set forth in claim 1, wherein: the bottom plate of the collecting tank is funnel-shaped, or the bottom plate of the collecting tank is wedge-shaped; when the bottom plate of the collecting tank is funnel-shaped, the liquid outlet of the collecting tank is positioned at the bottom of the bottom plate of the collecting tank and is communicated with the liquid inlet of the defoaming pump (6); when the bottom plate of the collecting tank is wedge-shaped, the liquid outlet of the collecting tank is positioned on the side wall or the lower part of the lowest inclined plane of the bottom of the collecting tank and is communicated with the liquid inlet of the defoaming pump (6).
3. The defoaming and pressurizing delivery system for protein fluid as set forth in claim 2, wherein: when the bottom plate of the collecting tank is wedge-shaped, the upper end face of the bottom plate is an inclined plane with an inclination angle of 5-20 degrees.
4. The defoaming and pressurizing delivery system for protein fluid as set forth in claim 1, wherein: the aperture of the exhaust valve (5) is 10-120 mm.
5. The defoaming and pressurizing delivery system for protein fluid as set forth in claim 1, wherein: and the liquid inlet pipeline (2) extends into a water outlet port in the collecting tank and is provided with a net cover (3).
6. The defoaming and pressurizing delivery system for protein fluid as set forth in claim 5, wherein: the net cover (3) comprises a cylindrical net cover (14), 1-4 layers of steps are arranged on the inner wall of the net cover (14), a metal mesh (13) is installed on each layer of step, and the net cover (14) is connected with a water outlet port of the liquid inlet pipeline (2).
7. The defoaming and pressurizing delivery system for protein fluid as set forth in claim 6, wherein: when 2-4 metal meshes (13) are arranged in the net sleeve (14), the distance between every two adjacent metal meshes (13) is 5-10 cm.
8. The defoaming and pressurizing delivery system for protein fluid as set forth in claim 1, wherein: the flow configuration and the type selection of the defoaming pump (6) and the pipeline pump (9) are larger than the actual flow of the liquid entering the collecting tank.
9. The defoaming and pressurizing delivery system for protein fluid as set forth in claim 8, wherein: when the liquid entering the collection tank is liquid discharged by a centrifugal machine for extracting small-particle starch and fiber from potato starch separation juice raw water, the flow configuration selection of the defoaming pump (6) and the pipeline pump (9) is 2-2.5 times larger than the actual flow of the liquid.
10. The defoaming and pressurizing delivery system for protein fluid as set forth in claim 8, wherein: when the liquid entering the collecting tank is the liquid discharged by the centrifuge after protein extraction, the flow selection configuration of the defoaming pump (6) and the pipeline pump (9) is 1.5-2 times larger than the actual flow of the liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921043727.2U CN210251342U (en) | 2019-07-05 | 2019-07-05 | Protein liquid defoaming and pressurizing conveying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921043727.2U CN210251342U (en) | 2019-07-05 | 2019-07-05 | Protein liquid defoaming and pressurizing conveying system |
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| CN210251342U true CN210251342U (en) | 2020-04-07 |
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| CN201921043727.2U Active CN210251342U (en) | 2019-07-05 | 2019-07-05 | Protein liquid defoaming and pressurizing conveying system |
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Effective date of registration: 20220418 Address after: 810003 4th floor, Sanjiang international building, No. 62, Jinger Road, Qinghai Biotechnology Industrial Park, Chengbei District, Xining City, Qinghai Province Patentee after: QINGHAI WEISIDUN POTATO INDUSTRY GROUP Co.,Ltd. Address before: 730000 No. 18 Tianshui Middle Road, Chengguan District, Gansu, Lanzhou Patentee before: Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences |