Egg liquid degassing and deodorizing processing device in negative pressure environment

Abstract

The invention relates to the technical field of food processing, and discloses an egg liquid degassing and fishy smell removal processing device in a negative pressure environment, which comprises a vacuum pump, the air outlet end of the vacuum pump is provided with an air pressure sensor; the air pressure sensor is used for monitoring air pressure data of a negative pressure system composed of the negative pressure degassing and deodorization equipment, the first pipeline, the condenser, the second pipeline and the vacuum pump and transmitting the air pressure data to the control system so as to judge whether the negative pressure system leaks or not. According to the negative pressure degassing and deodorizing equipment, the leakage fault can be automatically and timely found out by controlling the starting and stopping of the emergency protection mechanism and combining the step-by-step pressure maintaining test, the situation that the leakage point is located in the negative pressure degassing and deodorizing equipment, the connecting part of the equipment or other specific sections of the negative pressure pipeline can be preliminarily judged and positioned, and the safety of the equipment is improved. And the subsequent maintenance efficiency of the device is further improved, and the manpower loss is further reduced.

Description

Technical Field

[0001] This invention relates to the field of food processing technology, and more specifically to a processing device for degassing and removing fishy odor from egg liquid under negative pressure. Background Technology

[0002] In the processing of egg liquid, in order to improve the taste of the product and extend its shelf life, it is usually necessary to degas and remove the fishy smell. At present, the common method is to use a vacuum pump to remove the air in the tank and create a negative pressure environment so that the unpleasant odor substances dissolved in the egg liquid are discharged with the gas. In practical use, these negative pressure devices still have some common problems that affect efficiency and effectiveness: First, after long-term use, the pipes, valves and other connections of the equipment may leak. The leak is not easy to detect directly, but it will lead to insufficient vacuum, affecting the degassing and deodorizing effect and increasing energy consumption. Manual inspection often requires stopping the machine, which is a cumbersome process. Second, the filter plates in the pipes, which are set to prevent impurities from being sucked in, are easily blocked by proteins and other substances in the egg liquid, affecting the pumping efficiency and even damaging the vacuum pump. At present, there is a lack of timely and accurate methods for judging blockage. Third, after the egg liquid enters the vacuum tank, its surface often carries or generates a layer of foam. Existing equipment usually lacks a simple mechanism to remove this foam before formal processing, causing the foam to occupy the effective space inside the tank, which may reduce the subsequent degassing and deodorizing effect. Therefore, there is an urgent need for a processing device for degassing and removing the fishy smell of egg liquid under negative pressure environment to solve the technical problems mentioned above. Summary of the Invention

[0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides an egg liquid degassing and deodorizing processing device under negative pressure environment to solve the problems existing in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an egg liquid degassing and deodorizing processing device under negative pressure environment, comprising a negative pressure degassing and deodorizing device, wherein a first pipe is installed on the side of the negative pressure degassing and deodorizing device, a condenser is installed at the end of the first pipe away from the negative pressure degassing and deodorizing device, a second pipe is installed on the side of the condenser, and a vacuum pump is installed at the end of the second pipe away from the condenser. A first solenoid valve is installed on the first pipe, and a second solenoid valve is installed on the second pipe. Emergency protection mechanisms are provided at the connection between the first pipe and the condenser and at the connection between the second pipe and the vacuum pump. A pressure sensor is installed at the outlet of the vacuum pump to monitor the pressure data of the negative pressure system consisting of the negative pressure degassing and deodorizing equipment, the first pipe, the condenser, the second pipe and the vacuum pump, and to transmit the pressure data to the control system to determine whether the negative pressure system is leaking. The emergency protection mechanism includes a ring-shaped protective component and an electrically controlled lifting component. The electrically controlled lifting component controls the ring-shaped protective component to switch between an open state and a closed state. When it is in the closed state, the ring-shaped protective component is sealed and wrapped around the connection between the first pipe and the condenser or the connection between the second pipe and the vacuum pump, which is used to assist the control system in locating the leak point.

[0005] Preferably, an auxiliary negative pressure device is installed on the top of the negative pressure degassing and deodorizing equipment as a backup negative pressure source for the negative pressure system. This device is used to maintain the set negative pressure working environment inside the negative pressure degassing and deodorizing equipment when the vacuum pump is unable to provide a negative pressure environment to the negative pressure degassing and deodorizing equipment.

[0006] Preferably, the side of the second pipe is provided with an impurity recovery mechanism, which includes a recovery tank. A first recovery pipe and an auxiliary recovery pipe are sequentially installed on the side of the bottom of the recovery tank. An integrated skimming mechanism is provided at the end of the first recovery pipe away from the recovery tank.

[0007] Preferably, a filter plate is installed inside the second pipe near the vacuum pump, wherein the end of the auxiliary recovery pipe away from the recovery tank is installed inside the second pipe, and the installation position of the auxiliary recovery pipe is close to the front surface of the filter plate. An air compressor is installed on the top of the recovery tank, wherein an air supply pipe is installed at the air outlet end of the air compressor, and the end of the air supply pipe away from the air compressor is installed inside the second pipe, wherein the installation position of the air supply pipe is close to the back surface of the filter plate.

[0008] Preferably, each group of the emergency protection mechanism includes a limiting component, which includes a fixing ring, an auxiliary plate, and a placement plate. The fixing rings of each group are sequentially installed on the outer side of the first pipe and the second pipe, wherein the top of the auxiliary plate is fixedly connected to the bottom surface of the fixing ring, and the placement plate is connected to the bottom end of the auxiliary plate.

[0009] Preferably, the electrically controlled lifting assembly includes a first servo motor, and there are two sets of the first servo motors. The two sets of first servo motors are symmetrically installed on both sides of the upper surface of the placement plate, and each set of first servo motors is equipped with a first transmission screw at its transmission end. The outer sides of both ends of the first transmission screw are provided with annular protective components.

[0010] Preferably, each annular protective assembly includes an auxiliary protective plate, and a U-shaped plate is installed in the middle of the auxiliary protective plate. When the two sets of U-shaped plates come into contact with each other, they form an annular protective assembly. The inner walls on both sides of the two sets of U-shaped plates are provided with auxiliary threaded grooves, wherein the threads inside the two sets of auxiliary threaded grooves have opposite directions, and the two sets of auxiliary threaded grooves are adapted to the outer surfaces of both ends of the first transmission screw. When the first transmission screw rotates, it can drive the two U-shaped plates to move towards or away from each other along the first transmission screw, thereby realizing the closing and opening of the annular protective assembly. The inner surface of the U-shaped plate is provided with a rubber layer.

[0011] Preferably, the integrated skimming mechanism includes a collection box, and the collection box is installed at the end of the first recovery pipe away from the recovery tank. The collection box is installed inside the negative pressure degassing and deodorizing device. First sliding grooves are opened on both sides inside the negative pressure degassing and deodorizing device. A second sliding block is movably sleeved inside each set of first sliding grooves. A second transmission screw is threaded inside the second sliding block. A second servo motor is installed at one end of the second transmission screw. The second servo motor is installed on the outer side of the negative pressure degassing and deodorizing device.

[0012] Preferably, a first hollow plate is installed on the opposite surfaces of both sets of the second sliders. A push plate is movably sleeved on the inner wall of the bottom of each set of the first hollow plates. A first spring is vertically installed on the upper surface of each set of push plates, wherein the top end of the first spring is vertically installed on the inner side of the top of the corresponding first hollow plate. The bottom of the two sets of push plates is vertically installed with the same skimming chamber. An inclined scraping surface is opened on the side of the push plate near the first pipe. The scraping surface communicates with the interior of the skimming chamber. A filter support plate is installed inclined inside the skimming chamber. An elastic conveying assembly is provided on the side of the skimming chamber. The elastic conveying assembly includes an auxiliary conveying pipe.

[0013] Preferably, the skimming chamber has a conveying groove on its side near the collection box, and an annular groove is formed on the inner wall of the skimming chamber near the conveying groove. An auxiliary conveying pipe is movably sleeved inside the annular groove. The auxiliary conveying pipe and the annular groove are vertically mounted with the same spring assembly. The collection box has a matching air hole inside its interior near the auxiliary conveying pipe. A sealing plate is movably installed inside the conveying groove, and a torsion spring is provided at the connection between the sealing plate and the conveying groove to allow for angle adjustment. An extrusion plate is installed on the inner side of the negative pressure degassing and deodorizing device near the collection box.

[0014] The technical effects and advantages of this invention are as follows: This invention monitors the pressure of the negative pressure system in real time using a pressure sensor and compares it with a pre-set range, enabling automatic and timely detection of leaks. Furthermore, by controlling the opening and closing of the emergency protection mechanism and combining it with step-by-step pressure holding tests, it is possible to preliminarily determine and locate the leak point in the negative pressure degassing and deodorizing equipment itself, its connection points, or other specific sections of the negative pressure pipeline, thereby further improving the subsequent maintenance efficiency of the device and further reducing manpower consumption.

[0015] This invention enables the control system to automatically trigger a cleaning mode when abnormal air pressure data indicates a possible blockage. By controlling the air compressor to backflush from the back flow side and the recovery tank to draw from the front flow side, a clean airflow is formed that penetrates the filter holes, automatically removing impurities from the filter plate and recycling them to the recovery tank. This achieves online processing of blockage problems, helps maintain stable pumping efficiency, and protects the vacuum pump.

[0016] This invention automatically removes and collects foam from the surface of egg liquid through an integrated foam-scraping mechanism. The mechanism is compact in design, so it does not require additional space in the tank. Furthermore, by removing the foam in advance, it avoids interference with the vacuum degassing process, thus further shortening the overall process cycle and improving processing efficiency and product quality. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 for Figure 1 The diagram shows an enlarged view of the structure at point A. Figure 3 for Figure 1 The diagram shows an enlarged view of the structure at point B. Figure 4 for Figure 2 The diagram shows the overall structure of the emergency protection organization. Figure 5 for Figure 4 The diagram shows the overall structure of the ring-shaped protective assembly. Figure 6 for Figure 5 A partial structural schematic diagram of the ring-shaped protective assembly shown; Figure 7 for Figure 2 A partial structural side sectional view of the second pipe shown; Figure 8 for Figure 1 A partial structural cross-sectional schematic diagram of the negative pressure degassing and deodorizing equipment is shown. Figure 9 for Figure 8 The diagram shows an enlarged view of the structure at point C. Figure 10 for Figure 9A partial structural schematic diagram of the integrated descaling mechanism is shown. Figure 11 for Figure 10 The diagram shows the overall structure of the flexible conveying assembly. Figure 12 for Figure 10 The side sectional view of the first hollow plate shown; Figure 13 for Figure 10 The diagram shows a side sectional view of the skimmer chamber.

[0018] The attached diagram is labeled as follows: 1. Negative pressure degassing and deodorizing equipment; 101. First pipeline; 102. First solenoid valve; 2. Vacuum pump; 201. Second pipeline; 202. Second solenoid valve; 3. Condenser; 4. Auxiliary negative pressure device; 5. Impurity recovery mechanism; 501. Recovery tank; 502. First recovery pipeline; 503. Air compressor; 504. Air supply duct; 505. Auxiliary recovery pipeline; 506. Filter plate; 6. Emergency protection mechanism; 601. Annular protective assembly; 6011. Auxiliary protective plate; 6012. U-shaped plate; 6013. Auxiliary threaded groove; 602. Electrically controlled lifting assembly; 6021. First servo valve. 7. Integrated foam scraping mechanism; 6022. First transmission screw; 603. Limiting assembly; 6031. Fixing ring; 6032. Auxiliary plate; 6033. Placement plate; 7. Integrated foam scraping mechanism; 701. First slide groove; 702. Second slider; 703. Second transmission screw; 704. Foam scraping chamber; 705. First hollow plate; 706. Filter support plate; 707. Extrusion plate; 708. First spring; 709. Elastic conveying assembly; 7091. Auxiliary conveying pipe; 7092. Spring assembly; 7093. Sealing plate; 7094. Conveying trough; 7095. Annular trough; 7096. Torsion spring; 710. Push plate; 711. Collection box. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The egg liquid degassing and deodorizing processing device under negative pressure environment involved in the present invention is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Reference Figures 1 to 6As shown, the present invention provides an egg liquid degassing and deodorizing processing device under negative pressure environment, including a negative pressure degassing and deodorizing device 1, a first pipe 101 installed on the side of the negative pressure degassing and deodorizing device 1, a condenser 3 installed at the end of the first pipe 101 away from the negative pressure degassing and deodorizing device 1, a second pipe 201 installed on the side of the condenser 3, and a vacuum pump 2 installed at the end of the second pipe 201 away from the condenser 3. A first solenoid valve 102 is installed on the first pipe 101, and a second solenoid valve 202 is installed on the second pipe 201. Emergency protection mechanisms 6 are provided at the connection between the first pipe 101 and the condenser 3 and at the connection between the second pipe 201 and the vacuum pump 2. A pressure sensor is installed at the outlet of the vacuum pump 2 to monitor the pressure data of the negative pressure system consisting of the negative pressure degassing and deodorizing equipment 1, the first pipe 101, the condenser 3, the second pipe 201 and the vacuum pump 2, and to transmit the pressure data to the control system to determine whether the negative pressure system is leaking. The emergency protection mechanism 6 includes a ring-shaped protective component 601 and an electrically controlled lifting component 602. The electrically controlled lifting component 602 controls the ring-shaped protective component 601 to switch between an open state and a closed state. When it is in the closed state, the ring-shaped protective component 601 seals the connection between the first pipe 101 and the condenser 3 or the connection between the second pipe 201 and the vacuum pump 2, which is used to assist the control system in locating the leak point.

[0021] In this embodiment, the first solenoid valve 102 is installed near the negative pressure degassing and deodorizing device 1, and the second solenoid valve 202 is installed near the condenser 3. The model of the barometric pressure sensor is P300-J. The core working principle of this barometric pressure sensor is as follows: its internal sensing element, which is usually based on the piezoresistive or piezoelectric effect, will change its physical properties, such as resistance or voltage, when it senses a change in gas pressure. This change is captured by a detection circuit, such as a Wheatstone bridge composed of a chip and circuits, and converted into a weak analog electrical signal. Subsequently, this analog signal is amplified, conditioned, and converted from analog to digital by a dedicated chip, and finally processed into a standardized digital signal output, thereby accurately reflecting the value of the barometric pressure.

[0022] The control system has an internal pressure threshold range, which is formed by the control system based on the pressure data collected by the pressure sensor when the negative pressure system is in normal working condition.

[0023] Reference Figure 1As shown, the present invention provides an egg liquid degassing and deodorizing processing device under negative pressure environment. An auxiliary negative pressure device 4 is installed on the top of the negative pressure degassing and deodorizing device 1 as a backup negative pressure source for the negative pressure system. It is used to maintain the set negative pressure working environment in the negative pressure degassing and deodorizing device 1 when the vacuum pump 2 cannot provide a negative pressure environment to the negative pressure degassing and deodorizing device 1.

[0024] In this embodiment, the auxiliary negative pressure device 4 includes an auxiliary negative pressure pump and an auxiliary condenser. Its working principle is as follows: when the auxiliary negative pressure pump is started, it continuously extracts the gas inside the negative pressure degassing and deodorizing device 1, thereby ensuring that the inside of the negative pressure degassing and deodorizing device 1 is in the set negative pressure working environment.

[0025] Reference Figures 1 to 2 as well as Figures 7 to 8 As shown, the present invention provides an egg liquid degassing and deodorizing processing device under negative pressure environment. The side of the second pipe 201 is provided with an impurity recovery mechanism 5. The impurity recovery mechanism 5 includes a recovery tank 501. The bottom side of the recovery tank 501 is sequentially equipped with a first recovery pipe 502 and an auxiliary recovery pipe 505. An integrated foam scraping mechanism 7 is provided at the end of the first recovery pipe 502 away from the recovery tank 501. A filter plate 506 is installed inside the second pipe 201 near the vacuum pump 2. The auxiliary recovery pipe 505 is installed inside the second pipe 201 at the end away from the recovery tank 501. The installation position of the auxiliary recovery pipe 505 is close to the front surface of the filter plate 506. An air compressor 503 is installed on the top of the recovery tank 501. An air supply pipe 504 is installed at the air outlet of the air compressor 503. The end of the air supply pipe 504 away from the air compressor 503 is installed inside the second pipe 201. The installation position of the air supply pipe 504 is close to the back surface of the filter plate 506.

[0026] In this embodiment of the application, a blower is installed inside the recycling tank 501 to generate wind energy to recycle the cleaned impurities.

[0027] The working principle of this part of the application embodiment is as follows: When the real-time air pressure data exceeds the threshold range, and when the real-time air pressure data exceeds the threshold range and this state continues for a first preset time (the preset time is set manually, preferably 3 minutes), the control system triggers the cleaning mode, controls the second solenoid valve 202 to close, so that the second pipe 201 is isolated from the vacuum pump 2. At the same time, the air compressor 503 starts, and the compressed air generated is delivered to the back flow surface of the filter plate 506 through the air supply pipe 504. At the same time, a negative pressure is formed inside the recovery tank 501, and it is drawn from the front flow surface of the filter plate 506 through the auxiliary recovery pipe 505. Thus, the airflow acting from both sides of the filter plate at the same time forms a strong blowing airflow that penetrates the filter holes, cleans the impurities that block the filter holes or adhere to the surface of the filter plate 506 by wind, and transports the stripped impurities to the recovery tank 501 for storage through the auxiliary recovery pipe 505. After the cleaning mode ends, the control system will monitor the air pressure data for at least 60 seconds. If the air pressure data fails to return to the normal threshold range during this period, the control system will trigger the reminder mode and send a maintenance signal to the staff through the built-in communication device to prompt on-site maintenance.

[0028] Reference Figure 1 as well as Figures 3 to 6 As shown, the present invention provides an egg liquid degassing and deodorizing processing device under negative pressure environment. Each set of emergency protection mechanism 6 includes a limiting component 603. The limiting component 603 includes a fixing ring 6031, an auxiliary plate 6032 and a placement plate 6033. Each set of fixing rings 6031 is installed on the outer side of the first pipe 101 and the second pipe 201 in sequence. The top of the auxiliary plate 6032 is fixed to the bottom surface of the fixing ring 6031, and the placement plate 6033 is connected to the bottom end of the auxiliary plate 6032. The electrically controlled lifting assembly 602 includes a first servo motor 6021. There are two sets of first servo motors 6021. The two sets of first servo motors 6021 are symmetrically installed on both sides of the upper surface of the placement plate 6033. Each set of first servo motors 6021 has a first transmission screw 6022 installed at its transmission end. The outer sides of both ends of the first transmission screw 6022 are provided with annular protective components 601. Each set of annular protective components 601 includes an auxiliary protective plate 6011. A U-shaped plate 6012 is installed in the middle of the auxiliary protective plate 6011. When the two sets of U-shaped plates 6012 come into contact with each other, they form an annular protective component. The inner walls on both sides of the two sets of U-shaped plates 6012 are provided with auxiliary threaded grooves 6013. The threads inside the two sets of auxiliary threaded grooves 6013 have opposite directions, and the two sets of auxiliary threaded grooves 6013 are adapted to the outer surfaces of both ends of the first transmission screw 6022. When the first transmission screw 6022 rotates, it can drive the two U-shaped plates 6012 to move towards or away from each other along the first transmission screw 6022, thereby realizing the closing and opening of the annular protective component 601. The inner surface of the U-shaped plate 6012 is provided with a rubber layer.

[0029] In this embodiment of the application, the control system is internally configured with a first comparison range and a second comparison range; The process of setting the first comparison range is as follows: when the negative pressure degassing and deodorizing device 1 is in working state, the first solenoid valve 102 is in closed state and the vacuum pump 2 stops working, the air pressure sensor samples according to the preset sampling frequency and total collection time to obtain the first air pressure data set; organize the data set and calculate its first air pressure average value. This process needs to be repeated at least 10 times, and the average values ​​of the first air pressure obtained from multiple executions will be integrated to form the first comparison range. The process of setting the second comparison range is as follows: when the negative pressure degassing and deodorizing device 1 is in working state, the second solenoid valve 202 is in closed state and the vacuum pump 2 stops working, the air pressure sensor samples according to the preset sampling frequency and total collection time to obtain the second air pressure data set; organize the data set and calculate its second air pressure average value. This process needs to be repeated at least 10 times, and the average values ​​of the second air pressure obtained from multiple executions will be integrated to form the second comparison range.

[0030] The preset sampling frequency and total collection time for the first and second comparison ranges mentioned above are the same, and are all set manually. The preferred sampling frequency is once per second, and the preferred sampling time is 3 minutes.

[0031] The specific workflow of this application embodiment is as follows: If the real-time air pressure data is below the threshold range, and this state continues for a second preset time (this preset time is set manually, preferably 2 minutes), the control system triggers a self-test mode. The self-test process is as follows: Step 1: The first solenoid valve 102 is in the closed state, and the vacuum pump 2 stops working. At this time, the passage between the negative pressure system and the negative pressure degassing and deodorizing device 1 is cut off. At the same time, the negative pressure system is in a closed pressure-holding state. The control system continuously collects the corresponding air pressure data group inside the negative pressure system at a preset sampling frequency (preferably 1 per second). The total collection time can be set as needed (preferably 3 minutes). The first real-time average air pressure is calculated. If the first real-time average air pressure is lower than the first comparison range, it is determined that there is a leak in the closed negative pressure system itself. If the first real-time average air pressure is within the first comparison range, it is determined that the negative pressure system itself has good sealing performance, and it is preliminarily inferred that the leak is located at the connection between the negative pressure degassing and deodorizing device 1 and the first pipe 101 or the negative pressure degassing and deodorizing device 1 itself. Step 2: If the control system determines that the negative pressure system is leaking, the first servo motor 6021 starts, controls the first transmission screw 6022 to rotate, and controls the annular protective component 601 to be closed, sealing and wrapping the connection between the first pipe 101 and the condenser 3 and the connection between the second pipe 201 and the vacuum pump 2, providing secondary protection to prevent the above-mentioned connections from contacting the outside air. Before the annular protective component 601 is closed, the first solenoid valve 102 is open and the vacuum pump 2 is in normal working condition. When the annular protective component 601 is closed for 1-2 minutes, step one is repeated. If the first real-time average gas pressure is within the first comparison range, the control system determines that there is a leak at the connection between the first pipe 101 and the condenser 3 and the connection between the second pipe 201 and the vacuum pump 2. If the first real-time average gas pressure is lower than the second comparison range, it determines that there is a leak inside the first pipe 101, the second pipe 201 or the internal outlet of the vacuum pump 2. Step 3: After completing Step 2, start the first solenoid valve 102 and vacuum pump 2 to allow the negative pressure system to operate normally for 1 to 2 minutes; then, close the second solenoid valve 202 and stop vacuum pump 2 at the same time. At this time, the outlet of vacuum pump 2 and the inside of the second pipe 201 are in a closed state. The control system continuously collects the corresponding air pressure data group inside the negative pressure system at a preset sampling frequency (preferably 1 per second). The total collection time can be set as needed (preferably 3 minutes), and its second real-time average air pressure is calculated. Step 4: If the second real-time average air pressure is lower than the second comparison range, it is determined that there is a leak at the outlet of vacuum pump 2 and inside the first solenoid valve 102. If the real-time second average air pressure is within the second comparison range, the annular protective component 601 is controlled to be in the open state, and the annular protective component 601 stops sealing the connection between the outlet of vacuum pump 2 and the first solenoid valve 102. At the same time, Step 3 is repeated. If the second real-time average air pressure generated in this process is lower than the second comparison range, it is determined that there is a leak at the outlet of vacuum pump 2 and the connection of the second pipe 201. If the second real-time average air pressure is within the second comparison range, it is determined that there is no leak at the outlet of vacuum pump 2, inside the second pipe 201, or at the connection between the two. Step 5: The control system determines that there is no leakage in the vacuum pump 2 and the first solenoid valve 102 itself and their connection. It controls the annular protection component 601 to be in a closed state and repeats step 2. If the obtained first real-time average gas pressure is within the first comparison range, it is determined that there is a leakage at the connection of the first pipe 101 or the condenser 3. If the first real-time average gas pressure is lower than the first comparison range, it is determined that there is a leakage inside the second pipe 201 and the condenser 3. Step Six: After completing Steps One through Six, the control system will be in reminder mode and will send the self-test results to the staff.

[0032] In this embodiment of the application, if the first real-time air pressure data is greater than the first comparison range or the second real-time air pressure data is greater than the second comparison range, the control system determines that the negative pressure system has an abnormal situation of being unable to self-test, the control system is in reminder mode, and sends the self-test results to the staff.

[0033] Reference Figure 1 as well as Figures 8 to 13 As shown, the present invention provides an egg liquid degassing and deodorizing processing device under negative pressure environment. The integrated skimming mechanism 7 includes a collection box 711. The collection box 711 is installed at one end of the first recovery pipe 502 away from the recovery tank 501. The collection box 711 is installed inside the negative pressure degassing and deodorizing device 1. The negative pressure degassing and deodorizing device 1 has first sliding grooves 701 on both sides inside. Each set of first sliding grooves 701 is movably sleeved with a second slider 702. The second slider 702 is threadedly connected to a second transmission screw 703. A second servo motor is installed at one end of the second transmission screw 703. The second servo motor is installed on the outer side of the negative pressure degassing and deodorizing device 1. Two sets of second sliders 702 are each equipped with a first hollow plate 705 on their opposite sides. A push plate 710 is movably sleeved on the inner wall of the bottom of each set of first hollow plates 705. A first spring 708 is vertically installed on the upper surface of each set of push plates 710. The top of the first spring 708 is vertically installed on the inner side of the top of the corresponding first hollow plate 705. The bottom of the two sets of push plates 710 is vertically installed with the same skimming chamber 704. An inclined scraping surface is opened on the side of the push plate 710 near the first pipe 101. The scraping surface is connected to the inside of the skimming chamber 704. A filter support plate 706 is installed inclined inside the skimming chamber 704. An elastic conveying assembly 709 is provided on the side of the skimming chamber 704. The elastic conveying assembly 709 includes an auxiliary conveying pipe 7091. A conveying groove 7094 is provided on the side of the skimming chamber 704 near the collection box 711. An annular groove 7095 is provided on the inner wall of the skimming chamber 704 near the conveying groove 7094. An auxiliary conveying pipe 7091 is movably sleeved inside the annular groove 7095. The same spring group 7092 is installed perpendicularly to the opposite face of the auxiliary conveying pipe 7091 and the annular groove 7095. An air hole adapted to the auxiliary conveying pipe 7091 is provided inside the collection box 711 near the auxiliary conveying pipe 7091. A sealing plate 7093 is movably installed inside the conveying groove 7094. A torsion spring 7096 is provided at the connection between the sealing plate 7093 and the conveying groove 7094 so that the angle can be adjusted. A squeezing plate 707 is installed on the inner side of the negative pressure degassing and deodorizing device 1 near the collection box 711.

[0034] In this embodiment, the filter support plate 706 is installed at an angle, with the height of one end near the conveying trough 7094 being lower than that of the other end, and the end extending to the bottom of the conveying trough 7094. The surface of the filter support plate 706 is coated with an anti-stick layer, which is beneficial for filtering the egg liquid and for moving any residual foam on the surface of the filter support plate 706 to one end. The exterior of the sealing plate 7093 is covered with a rubber layer.

[0035] The specific workflow for this application is as follows: Foam removal process: The second servo motor starts and drives the second transmission screw 703 to rotate, thereby driving the second slider 702 and the foam scraping chamber 704 to move away from the first pipe 101. During the movement, the scraping surface of the foam scraping chamber 704 contacts and scrapes the foam and part of the egg liquid on the surface of the egg liquid in the negative pressure degassing and deodorizing equipment 1. After the scraped mixture enters the foam scraping chamber 704, it is conveyed to the surface of the inclined filter support plate 706 for screening. The liquid egg liquid flows through the filter holes of the filter support plate 706 and the bottom of the foam scraping chamber 704 and flows back into the negative pressure degassing and deodorizing device 1, while the foam gathers at the lower end on the inclined surface. After the skimming operation is completed, the skimming chamber 704 returns to its original position. Under the pushing action of the squeezing plate 707, the skimming chamber 704 and the push plate 710 overcome the elastic force of the first spring 708 and move towards the first hollow plate 705. This action causes the skimming chamber 704 to rise and detach from the surface of the egg liquid, making it easier for the filtered egg liquid to be completely returned. At the same time, the auxiliary conveying pipe 7091 installed on the skimming chamber 704 extends under the elastic force of the spring assembly 7092 and inserts into the corresponding air hole of the collection box 711 to form a sealed connection. When the recycling tank 501 is activated, it generates suction force. The suction force is transmitted sequentially through the first recycling pipe 502, the collection box 711 and the elastic conveying assembly 709 to one end of the filter support plate 706, drawing the residual foam into the recycling tank 501 for collection.

[0036] Cleaning process: When the real-time air pressure data exceeds the threshold range, and this state continues for a first preset time (which is set manually, preferably 3 minutes), the control system triggers the cleaning mode, controls the second solenoid valve 202 to close, so that the second pipe 201 is isolated from the vacuum pump 2. At the same time, the air compressor 503 starts, and the compressed air generated is delivered to the back flow surface of the filter plate 506 through the air supply pipe 504. At the same time, a negative pressure is formed inside the recovery tank 501, and it is drawn from the front flow surface of the filter plate 506 through the auxiliary recovery pipe 505. Thus, the airflow acting from both sides of the filter plate at the same time forms a strong blowing airflow that penetrates the filter holes, cleans the impurities that block the filter holes or adhere to the surface of the filter plate 506, and transports the stripped impurities to the recovery tank 501 for storage through the auxiliary recovery pipe 505. After the cleaning mode ends, the control system will monitor the air pressure data for at least 60 seconds. If the air pressure data fails to return to the normal threshold range during this period, the control system will trigger the reminder mode and send a maintenance signal to the staff through the built-in communication device to prompt on-site maintenance. Self-check process: If the real-time air pressure data is below the threshold range, and this state continues for a second preset time (this preset time is set manually, preferably 2 minutes), the control system triggers a self-test mode. The self-test process is as follows: Step 1: The first solenoid valve 102 is in the closed state, and the vacuum pump 2 stops working. At this time, the passage between the negative pressure system and the negative pressure degassing and deodorizing device 1 is cut off. At the same time, the negative pressure system is in a closed pressure-holding state. The control system continuously collects the corresponding air pressure data group inside the negative pressure system at a preset sampling frequency (preferably 1 per second). The total collection time can be set as needed (preferably 3 minutes). The first real-time average air pressure is calculated. If the first real-time average air pressure is lower than the first comparison range, it is determined that there is a leak in the closed negative pressure system itself. If the first real-time average air pressure is within the first comparison range, it is determined that the negative pressure system itself has good sealing performance, and it is preliminarily inferred that the leak is located at the connection between the negative pressure degassing and deodorizing device 1 and the first pipe 101 or the negative pressure degassing and deodorizing device 1 itself. Step 2: If the control system determines that the negative pressure system is leaking, the first servo motor 6021 starts, controls the first transmission screw 6022 to rotate, and controls the annular protective component 601 to be closed, sealing and wrapping the connection between the first pipe 101 and the condenser 3 and the connection between the second pipe 201 and the vacuum pump 2, providing secondary protection to prevent the above-mentioned connections from contacting the outside air. Before the annular protective component 601 is closed, the first solenoid valve 102 is open and the vacuum pump 2 is in normal working condition. When the annular protective component 601 is closed for 1-2 minutes, step one is repeated. If the first real-time average gas pressure is within the first comparison range, the control system determines that there is a leak at the connection between the first pipe 101 and the condenser 3 and the connection between the second pipe 201 and the vacuum pump 2. If the first real-time average gas pressure is lower than the second comparison range, it determines that there is a leak inside the first pipe 101, the second pipe 201 or the internal outlet of the vacuum pump 2. Step 3: After completing Step 2, start the first solenoid valve 102 and vacuum pump 2 to allow the negative pressure system to operate normally for 1 to 2 minutes; then, close the second solenoid valve 202 and stop vacuum pump 2 at the same time. At this time, the outlet of vacuum pump 2 and the inside of the second pipe 201 are in a closed state. The control system continuously collects the corresponding air pressure data group inside the negative pressure system at a preset sampling frequency (preferably 1 per second). The total collection time can be set as needed (preferably 3 minutes), and its second real-time average air pressure is calculated. Step 4: If the second real-time average air pressure is lower than the second comparison range, it is determined that there is a leak at the outlet of vacuum pump 2 and inside the first solenoid valve 102. If the real-time second average air pressure is within the second comparison range, the annular protective component 601 is controlled to be in the open state, and the annular protective component 601 stops sealing the connection between the outlet of vacuum pump 2 and the first solenoid valve 102. At the same time, Step 3 is repeated. If the second real-time average air pressure generated in this process is lower than the second comparison range, it is determined that there is a leak at the outlet of vacuum pump 2 and the connection of the second pipe 201. If the second real-time average air pressure is within the second comparison range, it is determined that there is no leak at the outlet of vacuum pump 2, inside the second pipe 201, or at the connection between the two. Step 5: The control system determines that there is no leakage in the vacuum pump 2 and the first solenoid valve 102 itself and their connection. It controls the annular protection component 601 to be in a closed state and repeats step 2. If the obtained first real-time average gas pressure is within the first comparison range, it is determined that there is a leakage at the connection of the first pipe 101 or the condenser 3. If the first real-time average gas pressure is lower than the first comparison range, it is determined that there is a leakage inside the second pipe 201 and the condenser 3. Step Six: After completing Steps One through Six, the control system will be in reminder mode and will send the self-test results to the staff.

[0037] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A processing device for degassing and deodorizing egg liquid under negative pressure, comprising a negative pressure degassing and deodorizing device (1), characterized in that, The negative pressure degassing and deodorizing device (1) has a first pipe (101) installed on its side. A condenser (3) is installed at one end of the first pipe (101) away from the negative pressure degassing and deodorizing device (1). A second pipe (201) is installed on the side of the condenser (3). A vacuum pump (2) is installed at one end of the second pipe (201) away from the condenser (3). A first solenoid valve (102) is installed on the first pipe (101), and a second solenoid valve (202) is installed on the second pipe (201). Emergency protection mechanisms (6) are provided at the connection between the first pipe (101) and the condenser (3) and at the connection between the second pipe (201) and the vacuum pump (2). A pressure sensor is installed at the outlet of the vacuum pump (2) to monitor the pressure data of the negative pressure system consisting of the negative pressure degassing and deodorizing equipment (1), the first pipe (101), the condenser (3), the second pipe (201) and the vacuum pump (2), and transmit the pressure data to the control system to determine whether the negative pressure system is leaking. The emergency protection mechanism (6) includes an annular protective component (601) and an electrically controlled lifting component (602). The electrically controlled lifting component (602) controls the annular protective component (601) to switch between an open state and a closed state. When it is in the closed state, the annular protective component (601) is correspondingly sealed and wrapped at the connection between the first pipe (101) and the condenser (3) or the connection between the second pipe (201) and the vacuum pump (2), which is used to assist the control system in locating the leak point.

2. The egg liquid degassing and deodorizing processing device according to claim 1, characterized in that: The top of the negative pressure degassing and deodorizing device (1) is equipped with an auxiliary negative pressure device (4) as a backup negative pressure source for the negative pressure system. It is used to maintain the set negative pressure working environment in the negative pressure degassing and deodorizing device (1) when the vacuum pump (2) is unable to provide a negative pressure environment to the negative pressure degassing and deodorizing device (1).

3. The egg liquid degassing and deodorizing processing device according to claim 1, characterized in that: The second pipe (201) is provided with an impurity recovery mechanism (5) on its side. The impurity recovery mechanism (5) includes a recovery tank (501). The bottom side of the recovery tank (501) is provided with a first recovery pipe (502) and an auxiliary recovery pipe (505) in sequence. An integrated skimming mechanism (7) is provided at one end of the first recovery pipe (502) away from the recovery tank (501).

4. The egg liquid degassing and deodorizing processing device according to claim 3, characterized in that: A filter plate (506) is installed inside the second pipe (201) near the vacuum pump (2). An auxiliary recovery pipe (505) is installed inside the second pipe (201) at one end away from the recovery tank (501). The auxiliary recovery pipe (505) is installed near the front surface of the filter plate (506). An air compressor (503) is installed on the top of the recovery tank (501). An air supply pipe (504) is installed at the air outlet of the air compressor (503). An air supply pipe (504) is installed inside the second pipe (201) at one end away from the air compressor (503). The air supply pipe (504) is installed near the back surface of the filter plate (506).

5. The egg liquid degassing and deodorizing processing device according to claim 4, characterized in that: Each of the emergency protection mechanisms (6) includes a limiting component (603), which includes a fixing ring (6031), an auxiliary plate (6032), and a placement plate (6033). The fixing rings (6031) of each group are installed on the outer side of the first pipe (101) and the second pipe (201) in sequence. The top of the auxiliary plate (6032) is fixed to the bottom of the fixing ring (6031), and the placement plate (6033) is connected to the bottom of the auxiliary plate (6032).

6. The egg liquid degassing and deodorizing processing device according to claim 5, characterized in that: The electrically controlled lifting assembly (602) includes a first servo motor (6021). There are two sets of the first servo motors (6021). The two sets of first servo motors (6021) are symmetrically installed on both sides of the upper surface of the placement plate (6033). Each set of first servo motors (6021) has a first transmission screw (6022) installed at its transmission end. The outer sides of both ends of the first transmission screw (6022) are provided with annular protective components (601).

7. The egg liquid degassing and deodorizing processing device according to claim 6, characterized in that: Each set of annular protective components (601) includes an auxiliary protective plate (6011). A U-shaped plate (6012) is installed in the middle of the auxiliary protective plate (6011). When the two sets of U-shaped plates (6012) come into contact with each other, they form an annular protective component. The inner walls on both sides of the two sets of U-shaped plates (6012) are provided with auxiliary threaded grooves (6013). The threads inside the two sets of auxiliary threaded grooves (6013) are opposite in direction, and the two sets of auxiliary threaded grooves (6013) are adapted to the outer surfaces of both ends of the first transmission screw (6022). When the first transmission screw (6022) rotates, it can drive the two U-shaped plates (6012) to move towards or away from each other along the first transmission screw (6022), thereby realizing the closing and opening of the annular protective component (601). The inner surface of the U-shaped plate (6012) is provided with a rubber layer.

8. The egg liquid degassing and deodorizing processing device according to claim 3, characterized in that: The integrated skimming mechanism (7) includes a collection box (711). The collection box (711) is installed at one end of the first recovery pipe (502) away from the recovery tank (501). The collection box (711) is installed inside the negative pressure degassing and deodorizing device (1). The negative pressure degassing and deodorizing device (1) has first sliding grooves (701) on both sides inside. Each set of first sliding grooves (701) has a second sliding block (702) movably sleeved inside. The second sliding block (702) is threadedly connected to a second transmission screw (703). A second servo motor is installed at one end of the second transmission screw (703). The second servo motor is installed on the outer side of the negative pressure degassing and deodorizing device (1).

9. The egg liquid degassing and deodorizing processing device according to claim 8, characterized in that: Two sets of second sliders (702) are each equipped with a first hollow plate (705) on their opposite sides. Each set of first hollow plates (705) has a push plate (710) movably sleeved on the inner wall of its bottom. Each set of push plates (710) has a first spring (708) vertically mounted on its upper surface. The top of the first spring (708) is vertically mounted on the inner side of the top of the corresponding first hollow plate (705). The bottom of the two sets of push plates (710) is vertically mounted with the same skimming chamber (704). The side of the push plate (710) near the first pipe (101) has an inclined scraping surface. The scraping surface is connected to the interior of the skimming chamber (704). The interior of the skimming chamber (704) has an inclined filter support plate (706). The side of the skimming chamber (704) is provided with an elastic conveying assembly (709). The elastic conveying assembly (709) includes an auxiliary conveying pipe (7091).

10. The egg liquid degassing and deodorizing processing device according to claim 9, characterized in that: The skimming chamber (704) has a conveying groove (7094) on its side near the collection box (711). The inner wall of the skimming chamber (704) near the conveying groove (7094) has an annular groove (7095). An auxiliary conveying pipe (7091) is movably sleeved inside the annular groove (7095). The auxiliary conveying pipe (7091) and the annular groove (7095) are vertically mounted with the same spring group (7092). The collection box (711) has an air hole that matches the auxiliary conveying pipe (7091) inside. A sealing plate (7093) is movably installed inside the conveying groove (7094). A torsion spring (7096) is provided at the connection between the sealing plate (7093) and the conveying groove (7094) so ​​that the angle can be adjusted. A squeezing plate (707) is installed on the inner side of the negative pressure degassing and deodorizing device (1) near the collection box (711).

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