CN112674378A - Liquid spraying device and method for molded feed - Google Patents
Liquid spraying device and method for molded feed Download PDFInfo
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- CN112674378A CN112674378A CN202110032988.XA CN202110032988A CN112674378A CN 112674378 A CN112674378 A CN 112674378A CN 202110032988 A CN202110032988 A CN 202110032988A CN 112674378 A CN112674378 A CN 112674378A
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Abstract
The invention relates to a liquid spraying device and a liquid spraying method for molded feed, and belongs to the technical field of feed processing. The device comprises an air pressure regulating system, an ultrasonic auxiliary system, a working chamber, a liquid adding system and a control system, wherein the control system comprises a control box and a sensor; the ultrasonic auxiliary system comprises an ultrasonic generator, a transmitting device, a signal amplifier and a power amplifier; the control system further comprises a touch screen and a control host, and the control host is respectively connected with the vacuum meter, the first electromagnetic valve, the second electromagnetic valve, the motor and the electric control ball valve. Compared with the prior art, the invention has the beneficial effects that: the capability and efficiency of the formed feed for absorbing and storing the liquid additive are greatly improved, and the distribution uniformity of the liquid additive is improved; has the advantages of good spraying effect, good quality of formed feed and the like.
Description
Technical Field
The invention relates to a liquid spraying device and a liquid spraying method for molded feed, and belongs to the technical field of feed processing.
Background
The feed is a material basis for developing modern livestock raising and aquaculture industry, is an important component of a modern agricultural industry system, and has an extremely important position in national economy (Dingqiang, Wangzhennan. the position and influence of the feed industry in the national economy [ J ] feed research, 2010(2): 13-14). The feed industry in China starts late, but the demand is large, the development is fast, the total feed yield in 2016 years nationwide is about 2.1 hundred million tons, and the feed industry becomes the most important feed producing country worldwide (national stock station, 2016 national feed industry statistical brief [ J ] feed in 2016, 2017(13): 1-2). The bulk feed is processed into solid forage grass materials such as granules, blocks, cakes and sheets, and the like, thus obtaining the formed feed.
In the production process of the formed feed, a plurality of nutrient components such as vitamins, enzyme preparations, live bacteria preparations and the like exist, and the loss is large due to the influence of high temperature, high pressure, high humidity and the like. In order to avoid the loss of heat-sensitive components in the formed feed caused by processing, a liquid spraying process can be adopted for the formed surface after forming, the heat-sensitive components can be prevented from being damaged by thermal processing equipment such as a granulator, a bulking machine, an expander and the like, and the compensation addition amount of the components is reduced, so that the feed cost is reduced. The added liquid is sprayed on the surface of the formed feed, so that mutual friction and collision can be generated among the formed feed in the subsequent packaging and transportation processes, and the coating on the formed surface is easily stripped from the surface to form powder, thereby causing nutrient loss and formula distortion; because the density of the formed feed is relatively high, the liquid additive is not easy to enter the feed, and the problems of poor dispersion uniformity and the like exist.
Therefore, a liquid spraying technology for the formed feed, which has the advantages of small loss of nutrient components, uniform and stable addition of the nutrient components, small dissolution and waste and good quality of the formed feed, is urgently needed.
Disclosure of Invention
The invention aims to provide a liquid spraying technology for a formed feed, which aims to solve various problems in the process of adding a liquid additive into the formed feed. The formed feed obtained by the adding method has the advantages of small loss of nutrient components, uniform and stable addition of the nutrient components, small dissolution and waste, high efficiency, good quality of the formed feed and the like.
In order to achieve the purpose, the invention provides the following technical scheme:
a liquid spraying device for forming feed comprises an air pressure regulating system, an ultrasonic auxiliary system, an operating room, a liquid adding system and a control system; the control system comprises a control box and a sensor; the ultrasonic auxiliary system comprises an ultrasonic generator, a transmitting device, a signal amplifier and a power amplifier;
the air pressure regulating and controlling system comprises an operation chamber and a vacuumizing device, wherein the vacuumizing device comprises a condensing unit, a vacuum pump, a vacuum meter, a first electromagnetic valve, a vacuum tank and a second electromagnetic valve; the operation chamber is connected with the vacuum chamber tank through a second electromagnetic valve by a pipeline;
the liquid adding system comprises a liquid storage tank, an electric control ball valve, a pressure tank and an injection nozzle, and the injection nozzle is positioned at the upper part of the operation chamber;
the operation chamber comprises a feed inlet, a motor, a main shaft and a pressure sensor; the upper end of the main shaft is connected with the motor, and the lower end of the main shaft is connected with the bottom of the operation chamber;
the main shaft is provided with a helical blade which is in an inward concave arc shape, the helical blade is provided with a plurality of small holes, and the diameter of each small hole is smaller than that of the formed feed;
the control system further comprises a touch screen and a control host, and the control host is respectively connected with the vacuum meter, the first electromagnetic valve, the second electromagnetic valve, the motor and the electric control ball valve.
Preferably, the distance between the spray nozzle and the upper end of the spiral blade is 30-40 mm.
Preferably, the touch screen and the control host can acquire values of the vacuum meter and the pressure sensor, and the single chip microcomputer module controls the first electromagnetic valve, the second electromagnetic valve, the motor, the electric control ball valve, the condensing unit and the vacuum pump to operate.
A liquid spraying method for forming feed comprises the following steps:
(1) the formed feed enters a working chamber through a feed inlet, and the working chamber is in a normal-pressure sealed environment;
(2) starting the liquid spraying device, and setting parameters: the ultrasonic frequency is 50-70 kHz, the ultrasonic power is 400-500W, and the motor rotating speed is 20-30 r/min; when the air pressure of the working chamber is respectively normal pressure and 0.02MPa, the air pressure of the working chamber is controlled to be within 20-30 s: circulating for a time period of 6-10 s, wherein the circulating times are 5-8; setting the opening pressure of the injection nozzle to be 0.06-0.07 MPa;
(3) and (3) stopping the liquid spraying device after the step (2), taking out the formed feed, putting the formed feed into a packaging bag, attaching a label, packaging and warehousing.
Preferably, in the step (2), the ultrasonic frequency is 60kHz, the ultrasonic power is 450W, and the motor speed is 25 r/min; the air pressure of the working chamber is normal pressure and 0.02MPa, and the pressure is measured in a ratio of 20 s: circulating for 7 times in a time period of 8 s; the opening pressure of the injection nozzle is set to be 0.06 MPa.
Compared with the prior art, the liquid spraying device and the method for forming the feed provided by the invention have the following advantages that:
1. the invention is a process for adding liquid additives after forming the feed, can avoid the dilution and damage of the additives caused by high-strength 'water, heat and force' processing in the processes of tempering and granulating, and can preserve nutrient substances and effective components of the feed as much as possible.
2. According to the invention, the normal pressure and the negative pressure are alternately circulated, the micropore structure of the feed is opened, the spraying liquid is enabled to go deep into the feed, the distribution uniformity is improved, the uniform spraying effect is achieved, the dispersion and dust of the formed feed are reduced, and the waste of the feed is avoided. Meanwhile, because the atmospheric pressure is lower than the opening pressure of the injection nozzle during negative pressure, the pressure difference can be used as driving force to suck the liquid additive into the working chamber, so that an additional compression structure is omitted, and the whole machine is simplified.
3. When the working chamber is in alternation of positive pressure and negative pressure, the liquid additive is adsorbed on the surface layer of the formed feed due to pressure difference to form a transient closed space, the ultrasonic cavitation can promote the formation of cavitation bubbles and a series of physical and chemical effects to promote the formation of micro-channels in the formed feed, so that the capacity and efficiency of absorbing and containing the liquid additive are greatly improved, the distribution uniformity is improved, and the effect of uniform spraying is achieved.
4. The invention avoids high temperature processing and adding, can avoid the loss of liquid additives and reduce the production cost, thereby realizing accurate and accurate adding of dosage and ensuring the stability and consistency of the quality of feed products.
5. According to the liquid spraying device for the formed feed, the spiral blade is in the shape of the concave arc, so that the formed feed is conveyed to the upper part of the working chamber and is thrown, and the contact area of the liquid additive of the formed feed is increased; the small hole structure of the helical blade can avoid the retention of the liquid additive.
6. The liquid spraying method for the formed feed adopts an ultrasonic mode, and can skillfully utilize a transient closed space formed by alternately forming positive pressure and negative pressure to heat and cavitate the formed feed without causing physical damage to the formed feed.
Drawings
Fig. 1 is a schematic view of the overall structure of the invention.
In the figure, 11-a working chamber, 12-a vacuumizing device, 121-a condensing unit, 122-a vacuum pump, 123-a vacuum meter, 124-a first electromagnetic valve, 125-a vacuum tank, 126-a second electromagnetic valve, 41-a liquid storage tank, 42-an electronic control ball valve, 43-a pressure tank, 44-an injection nozzle, 31-a feed port, 361-a motor, 362-a spindle, 363-a spiral blade, 364-a pressure sensor, 5-a control system, 51-a touch screen and 52-a control host.
Detailed Description
The invention is a process for adding liquid additives after forming the feed, can avoid the dilution and damage of the additives caused by high-strength 'water, heat and force' processing in the processes of tempering and granulating, and can preserve nutrient substances and effective components of the feed as much as possible. The liquid spraying device and the method for the formed feed can realize the alternate circulation of normal pressure and negative pressure, get through the microporous structure of the feed and enable the spraying agent to go deep into the feed, improve the distribution uniformity and achieve the effect of uniform spraying, and also reduce the dispersion and dust of the formed feed and avoid the waste of the feed. Meanwhile, because the atmospheric pressure is lower than the opening pressure of the injection nozzle during negative pressure, the pressure difference can be used as a driving force to suck the liquid additive into the working chamber, an additional compression structure is omitted, and the whole machine is simplified. According to the liquid spraying method for the formed feed, the formed feed can be heated and cavitated by skillfully utilizing a transient closed space formed by alternating positive pressure and negative pressure in an ultrasonic mode, and the formed feed cannot be physically damaged; when the studio is positive negative pressure and is in turn, the liquid additive adsorbs and forms transient enclosure space on the top layer of formed feed because of pressure difference formation, and ultrasonic cavitation can promote the formation of cavitation bubble, growth and violent rupture and a series of physicochemical effects, promotes the inside micro channel that forms of formed feed, makes its ability and the efficiency of absorbing and holding the liquid additive improve greatly, improves the distribution homogeneity, reaches the effect of even spraying, is a novel processing technology who has quite the potentiality.
As shown in fig. 1, a liquid spraying device for forming feed comprises an air pressure regulating system, an ultrasonic auxiliary system, a working chamber, a liquid adding system and a control system 5; the control system 5 comprises a control box and a sensor; the ultrasonic auxiliary system comprises an ultrasonic generator, a transmitting device, a signal amplifier and a power amplifier;
the air pressure regulating system comprises a working chamber 11 and a vacuum pumping device 12, wherein the vacuum pumping device 12 comprises a condensing unit 121, a vacuum pump 122, a vacuum meter 123, a first electromagnetic valve 124, a vacuum tank 125 and a second electromagnetic valve 126; the working chamber 11 is connected with a vacuum chamber tank 125 through a second electromagnetic valve 126 by a pipeline;
the liquid adding system comprises a liquid storage tank 41, an electric control ball valve 42, a pressure tank 43 and a spray nozzle 44, wherein the spray nozzle 44 is positioned at the upper part of the working chamber 11;
the working chamber 11 includes a feed port 31, a motor 361, a main shaft 362, and a pressure sensor 364; the upper end of the main shaft 362 is connected with the motor 361, and the lower end of the main shaft 362 is connected with the bottom of the working chamber 11;
the main shaft 362 is provided with a spiral blade 363, the spiral blade 363 is in an inwards concave arc shape, a plurality of small holes are processed on the spiral blade 363, and the diameter of each small hole is smaller than that of the formed feed;
the control system 5 further comprises a touch screen 51 and a control host 52, wherein the control host 52 is respectively connected with the vacuum gauge 123, the first electromagnetic valve 124, the second electromagnetic valve 126, the motor 361 and the electric control ball valve 42.
A liquid spraying method for forming feed comprises the following steps:
(1) the formed feed enters a working chamber through a feed inlet, and the working chamber is in a normal-pressure sealed environment;
(2) starting the liquid spraying device, and setting parameters: the ultrasonic frequency is 50-70 kHz, the ultrasonic power is 400-500W, and the motor rotating speed is 20-30 r/min; when the air pressure of the working chamber is respectively normal pressure and 0.02MPa, the air pressure of the working chamber is controlled to be within 20-30 s: circulating for a time period of 6-10 s, wherein the circulating times are 5-8; setting the opening pressure of the injection nozzle to be 0.06-0.07 MPa;
(3) and (3) stopping the liquid spraying device after the step (2), taking out the formed feed, putting the formed feed into a packaging bag, attaching a label, packaging and warehousing.
The following are some specific examples of the present invention to further illustrate the present invention, but the present invention is not limited to these examples.
Example 1
A liquid spraying device for forming feed comprises an air pressure regulating system, an ultrasonic auxiliary system, an operating room, a liquid adding system and a control system 5; the control system 5 comprises a control box and a sensor; the ultrasonic auxiliary system comprises an ultrasonic generator, a transmitting device, a signal amplifier and a power amplifier;
the air pressure regulating system comprises a working chamber 11 and a vacuum pumping device 12, wherein the vacuum pumping device 12 comprises a condensing unit 121, a vacuum pump 122, a vacuum meter 123, a first electromagnetic valve 124, a vacuum tank 125 and a second electromagnetic valve 126; the working chamber 11 is connected with a vacuum chamber tank 125 through a second electromagnetic valve 126 by a pipeline;
the liquid adding system comprises a liquid storage tank 41, an electric control ball valve 42, a pressure tank 43 and a spray nozzle 44, wherein the spray nozzle 44 is positioned at the upper part of the working chamber 11;
the working chamber 11 includes a feed port 31, a motor 361, a main shaft 362, and a pressure sensor 364; the upper end of the main shaft 362 is connected with the motor 361, and the lower end of the main shaft 362 is connected with the bottom of the working chamber 11;
the main shaft 362 is provided with a spiral blade 363, the spiral blade 363 is in an inwards concave arc shape, a plurality of small holes are processed on the spiral blade 363, and the diameter of each small hole is smaller than that of the formed feed;
the control system 5 further comprises a touch screen 51 and a control host 52, wherein the control host 52 is respectively connected with the vacuum gauge 123, the first electromagnetic valve 124, the second electromagnetic valve 126, the motor 361 and the electric control ball valve 42.
Preferably, the distance between the spray nozzle 44 and the upper end of the spiral blade 363 is 30-40 mm.
Preferably, the touch screen 51 and the control host 52 can collect values of the vacuum gauge 123 and the pressure sensor 364, and control the operations of the first electromagnetic valve 124, the second electromagnetic valve 126, the motor 361, the electric control ball valve 42, the condensing unit 121 and the vacuum pump 122 through the single chip microcomputer module.
A liquid spraying method for forming feed comprises the following steps:
(1) the formed feed enters a working chamber through a feed inlet, and the working chamber is in a normal-pressure sealed environment;
(2) starting the liquid spraying device, and setting parameters: the ultrasonic frequency is 50kHz, the ultrasonic power is 400W, and the rotating speed of the motor is 20 r/min; when the air pressure of the working chamber is respectively normal pressure and 0.02MPa, the air pressure of the working chamber is controlled to be within 20 s: circulating for 5 times in a time period of 6 s; setting the opening pressure of the injection nozzle to be 0.06 MPa;
(3) and (3) stopping the liquid spraying device after the step (2), taking out the formed feed, putting the formed feed into a packaging bag, attaching a label, packaging and warehousing.
Example 2
A liquid spraying method for forming feed comprises the following steps:
(1) the formed feed enters a working chamber through a feed inlet, and the working chamber is in a normal-pressure sealed environment;
(2) starting the liquid spraying device, and setting parameters: the ultrasonic frequency is 70kHz, the ultrasonic power is 500W, and the rotating speed of the motor is 30 r/min; when the air pressure of the working chamber is respectively normal pressure and 0.02MPa, the air pressure of the working chamber is measured in a ratio of 30 s: circulating for 8 times in a time period of 10 s; setting the opening pressure of the injection nozzle to be 0.07 MPa;
(3) and (3) stopping the liquid spraying device after the step (2), taking out the formed feed, putting the formed feed into a packaging bag, attaching a label, packaging and warehousing.
Example 3
A liquid spraying method for forming feed comprises the following steps:
(1) the formed feed enters a working chamber through a feed inlet, and the working chamber is in a normal-pressure sealed environment;
(2) starting the liquid spraying device, and setting parameters: the ultrasonic frequency is 60kHz, the ultrasonic power is 450W, and the rotating speed of the motor is 25 r/min; when the air pressure of the working chamber is respectively normal pressure and 0.02MPa, the air pressure of the working chamber is controlled to be within 20 s: circulating for 7 times in a time period of 8 s; the opening pressure of the injection nozzle is set to be 0.06 MPa.
(3) And (3) stopping the liquid spraying device after the step (2), taking out the formed feed, putting the formed feed into a packaging bag, attaching a label, packaging and warehousing.
The liquid additive consists of 70% of soybean oil, 15% of vitamin solution and 15% of enzyme preparation solution.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A liquid spraying device for forming feed is characterized by comprising an air pressure regulating system, an ultrasonic auxiliary system, an operation chamber, a liquid adding system and a control system (5); the control system (5) comprises a control box and a sensor; the ultrasonic auxiliary system comprises an ultrasonic generator, a transmitting device, a signal amplifier and a power amplifier;
the air pressure regulating and controlling system comprises a working chamber (11) and a vacuumizing device (12), wherein the vacuumizing device (12) comprises a condensing unit (121), a vacuum pump (122), a vacuum meter (123), a first electromagnetic valve (124), a vacuum tank (125) and a second electromagnetic valve (126); the working chamber (11) is connected with a vacuum chamber tank (125) through a second electromagnetic valve (126) by a pipeline;
the liquid adding system comprises a liquid storage tank (41), an electric control ball valve (42), a pressure tank (43) and a spray nozzle (44), wherein the spray nozzle (44) is positioned at the upper part of the working chamber (11);
the working chamber (11) comprises a feed inlet (31), a motor (361), a main shaft (362) and a pressure sensor (364); the upper end of the main shaft (362) is connected with the motor (361), and the lower end of the main shaft (362) is connected with the bottom of the working chamber (11);
the main shaft (362) is provided with a spiral blade (363), the spiral blade (363) is in an inwards concave arc shape, a plurality of small holes are processed on the spiral blade (363), and the diameter of each small hole is smaller than that of the formed feed;
the control system (5) further comprises a touch screen (51) and a control host (52), wherein the control host (52) is respectively connected with the vacuum meter (123), the first electromagnetic valve (124), the second electromagnetic valve (126), the motor (361) and the electric control ball valve (42).
2. The liquid spray device for molded feed as claimed in claim 1, wherein the distance from the spray nozzle (44) to the upper end of the spiral blade (363) is 30 to 40 mm.
3. The liquid spraying device for the formed feed as claimed in claim 1, wherein the touch screen (51) and the control host (52) can collect values of the vacuum gauge (123) and the pressure sensor (364), and control the operation of the first electromagnetic valve (124), the second electromagnetic valve (126), the motor (361), the electric control ball valve (42), the condensing unit (121) and the vacuum pump (122) through the single chip microcomputer module.
4. A liquid spraying method for forming feed is characterized by comprising the following steps:
(1) the formed feed enters a working chamber through a feed inlet, and the working chamber is in a normal-pressure sealed environment;
(2) starting the liquid spraying device, and setting parameters: the ultrasonic frequency is 50-70 kHz, the ultrasonic power is 400-500W, and the motor rotating speed is 20-30 r/min; when the air pressure of the working chamber is respectively normal pressure and 0.02MPa, the air pressure of the working chamber is controlled to be within 20-30 s: circulating for a time period of 6-10 s, wherein the circulating times are 5-8; setting the opening pressure of the injection nozzle to be 0.06-0.07 MPa;
(3) and (3) stopping the liquid spraying device after the step (2), taking out the formed feed, putting the formed feed into a packaging bag, attaching a label, packaging and warehousing.
5. The liquid spraying method for molding feed as claimed in claim 4, wherein in the step (2), the ultrasonic frequency is 60kHz, the ultrasonic power is 450W, and the motor speed is 25 r/min; when the air pressure of the working chamber is respectively normal pressure and 0.02MPa, the air pressure of the working chamber is controlled to be within 20 s: circulating for 7 times in a time period of 8 s; the opening pressure of the injection nozzle is set to be 0.06 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110032988.XA CN112674378A (en) | 2021-01-12 | 2021-01-12 | Liquid spraying device and method for molded feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110032988.XA CN112674378A (en) | 2021-01-12 | 2021-01-12 | Liquid spraying device and method for molded feed |
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| Publication Number | Publication Date |
|---|---|
| CN112674378A true CN112674378A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110032988.XA Pending CN112674378A (en) | 2021-01-12 | 2021-01-12 | Liquid spraying device and method for molded feed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112674378A (en) |
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2021
- 2021-01-12 CN CN202110032988.XA patent/CN112674378A/en active Pending
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