CN214181820U - Constant temperature spray drying system - Google Patents
Constant temperature spray drying system Download PDFInfo
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- CN214181820U CN214181820U CN202022650356.3U CN202022650356U CN214181820U CN 214181820 U CN214181820 U CN 214181820U CN 202022650356 U CN202022650356 U CN 202022650356U CN 214181820 U CN214181820 U CN 214181820U
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Abstract
The utility model provides a constant temperature spray drying system, which comprises a spray tower, a control unit, a hot air conveying module connected with the control unit, a temperature sensor arranged at the top end inside the spray tower and connected with the control unit, and a slurry atomization module connected with the spray tower; the spraying tower comprises an air inlet at the top end and a powder outlet at the bottom end, and the air inlet is connected with the hot air conveying module through a hot air pipeline; the control unit is used for generating an adjusting instruction according to the real-time temperature acquired by the temperature sensor to adjust the hot air conveying module; the hot air conveying module is used for adjusting the size of hot air conveyed by the hot air conveying module according to the adjusting instruction so as to keep the interior of the spraying tower at a constant temperature; the slurry atomization module is used for atomizing the slurry to be dried in the spray tower. The utility model discloses an above-mentioned temperature sensor, the control unit and hot-blast transport module can form a feedback mechanism to keep constant temperature in making the spray tower, thereby improve the drying efficiency to the atomizing thick liquids, and improve the quality of dry powder.
Description
Technical Field
The utility model relates to a dry technical field particularly, relates to a constant temperature spray drying system.
Background
The temperature in the existing spray drying tower is generally monitored manually, and the temperature is debugged manually, so that the temperature fluctuation in the spray drying tower is large, the efficiency of the drying process is low, and the quality of the produced dry powder is low.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides a constant temperature spray drying system to keep constant temperature in making the spray tower, thereby improve the drying efficiency to the atomizing thick liquids, and improve the quality of dry powder.
In order to achieve the above object, the utility model adopts the following technical scheme:
a constant-temperature spray drying system comprises a spray tower, a control unit, a hot air conveying module connected with the control unit, a temperature sensor arranged at the top end in the spray tower and connected with the control unit, and a slurry atomization module connected with the spray tower;
the spraying tower comprises an air inlet at the top end and a powder outlet at the bottom end, and the air inlet is connected with the hot air conveying module through a hot air pipeline;
the control unit is used for generating an adjusting instruction according to the real-time temperature acquired by the temperature sensor to adjust the hot air conveying module;
the hot air conveying module is used for adjusting the size of hot air conveyed by the hot air conveying module according to the adjusting instruction so as to keep the interior of the spraying tower at a constant temperature;
the slurry atomization module is used for atomizing the slurry to be dried in the spray tower.
Preferably, in the constant-temperature spray drying system, the control unit comprises a PID control unit;
and the PID control unit is used for calculating the coal water slurry supply amount of the hot air delivery module according to the real-time temperature and the preset temperature and generating the corresponding regulating instruction according to the coal water slurry supply amount.
Preferably, the constant-temperature spray drying system further comprises a human-computer interaction module connected with the control unit;
the human-computer interaction module is used for displaying the real-time temperature value in the control unit and providing adjustment options of the hot air delivery module.
Preferably, in the constant-temperature spray drying system, the hot air delivery module comprises a frequency converter connected with a control unit, a centrifugal pump connected with the frequency converter, and a combustion furnace connected with the centrifugal pump;
the frequency converter is used for receiving the adjusting instruction and adjusting the coal water slurry supply amount of the centrifugal pump according to the adjusting instruction;
the centrifugal pump is used for transmitting the coal water slurry to the combustion furnace;
the combustion furnace is used for heating an air source to generate hot air after the coal water slurry is combusted, and the hot air is transmitted to the air inlet through a hot air pipeline.
Preferably, in the constant-temperature spray drying system, the hot air delivery module further comprises an air source device, a combustion fan and a slag extractor which are connected with the combustion furnace.
Preferably, in the constant-temperature spray drying system, the powder outlet is provided with a quality detection sensor connected with the control unit;
the quality detection sensor is used for detecting powder at the powder outlet, obtaining powder outlet quality information and transmitting the powder outlet quality information to the control unit;
the control unit is also used for adjusting the supply amount of the slurry to be dried of the slurry atomization module according to the powder outlet quality information.
Preferably, the constant-temperature spray drying system further comprises a dust removal module connected with the spray tower;
the dust removal module is used for absorbing redundant dust in the spray tower.
Preferably, in the constant-temperature spray drying system, the dust removal module comprises a dust collector connected with the spray tower and a negative pressure fan connected with the dust collector;
the negative pressure fan is used for providing negative pressure for the dust collector, so that the dust collector absorbs redundant dust in the spray tower;
the control unit is further connected to the negative pressure fan and controls the hot air conveying module to stop working after detecting that the negative pressure fan stops working.
Preferably, in the constant-temperature spray drying system, the slurry atomization module comprises a frequency converter and a pressure sensor which are connected with the control unit, a centrifugal pump connected with the frequency converter, and a spray gun connected with the centrifugal pump;
the spray gun is arranged in the spray tower and is used for spraying and atomizing the slurry to be dried;
the pressure sensor is used for detecting the pressure value of the spray gun and transmitting the pressure value to the control unit;
the control unit is also connected to the frequency converter, and the frequency converter is adjusted according to the pressure value so as to adjust the supply quantity of the slurry to be dried of the centrifugal pump.
Preferably, in the constant-temperature spray drying system, the slurry atomization module further comprises a vibrator arranged on the spray gun and connected with the control unit;
the vibrator is used for vibrating the spray gun according to a preset time interval or receiving a vibration instruction sent by the control unit for vibration.
The utility model provides a constant temperature spray drying system, which comprises a spray tower, a control unit, a hot air conveying module of the control unit, a temperature sensor arranged at the top end inside the spray tower and connected with the control unit, and a slurry atomization module connected with the spray tower; the spraying tower comprises an air inlet at the top end and a powder outlet at the bottom end, and the air inlet is connected with the hot air conveying module through a hot air pipeline; the control unit is used for generating an adjusting instruction according to the real-time temperature acquired by the temperature sensor to adjust the hot air conveying module; the hot air conveying module is used for adjusting the size of hot air conveyed by the hot air conveying module according to the adjusting instruction so as to keep the interior of the spraying tower at a constant temperature; the slurry atomization module is used for atomizing the slurry to be dried in the spray tower. The utility model discloses a constant temperature spray drying system can form a feedback mechanism through above-mentioned temperature sensor, the control unit and hot-blast transport module to keep constant temperature in making the spray tower, thereby improve the drying efficiency to the atomizing thick liquids, and improve the quality of dry powder.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to illustrate the technical solution of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. Like components are numbered similarly in the various figures.
Fig. 1 is a schematic structural diagram of a constant-temperature spray drying system provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of another constant-temperature spray drying system 100 provided in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a hot air delivery module provided in embodiment 2 of the present invention;
fig. 4 is a schematic structural diagram of a constant-temperature spray drying system provided in embodiment 3 of the present invention;
fig. 5 is a schematic structural diagram of a dust removal module provided in embodiment 3 of the present invention;
fig. 6 is a schematic structural diagram of a slurry atomization module provided in embodiment 4 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
Example 1
Fig. 1 is a schematic structural diagram of a constant-temperature spray drying system provided in embodiment 1 of the present invention.
The constant temperature spray drying system 100 comprises a spray tower 110, a control unit 120, a hot air delivery module 130 connected with the control unit 120, a temperature sensor 140 arranged at the top end inside the spray tower 110 and connected with the control unit 120, and a slurry atomization module 150 connected with the spray tower 110;
the embodiment of the utility model provides an in, above-mentioned constant temperature spray drying system 100 is a system that can accomplish drying and granulation simultaneously, and through spraying liquid thick liquids into vaporific, make it and hot-air contact and by the drying, form likepowder or granule, can be used to dry heat-sensitive liquid, suspension and viscous liquid, also be used for dry fuel, midbody, soap powder and inorganic salt etc..
The spray tower 110 comprises an air inlet at the top end and a powder outlet at the bottom end, and the air inlet is connected with the hot air delivery module 130 through a hot air pipeline;
in the embodiment of the present invention, the spraying tower 110 is an inverted tower-shaped structure, the slurry and the hot air are input from the upper end of the spraying tower 110, and the dry powder particles formed after drying are output from the powder outlet of the spraying tower 110 with the lower end reduced. Wherein, the top end of the spray tower 110 is provided with an air inlet to receive the hot air transmitted by the hot air delivery module 130, so as to dry the atomized slurry into dry powder.
The control unit 120 is configured to generate an adjustment instruction according to the real-time temperature collected by the temperature sensor 140 to adjust the hot air delivery module 130;
the embodiment of the present invention provides an embodiment, be provided with temperature sensor 140 in the top of spraying tower 110, can gather the inside real-time temperature of spraying tower 110 through temperature sensor 140, and the control unit 120 is through electric connection to this temperature sensor 140 to read the inside real-time temperature of spraying tower 110 and generate the adjustment instruction of hot-blast transport module 130. A plurality of temperature sensors 140 may be further disposed inside the spray tower 110, and the temperature sensors 140 may be uniformly distributed on the inner wall of the spray tower 110, so as to obtain real-time temperatures of various positions inside the spray tower 110 and transmit the temperatures to the control unit 120. The control unit 120 controls the hot air transmission amount and the temperature of the hot air delivery module 130 in real time through the adjustment instruction, so as to keep the internal temperature of the spray tower 110 fluctuating within a small temperature range, or maintain a constant temperature, thereby improving the efficiency and the quality of the dry powder.
The hot air delivery module 130 is configured to adjust the size of the hot air delivered by the hot air delivery module 130 according to the adjustment instruction, so as to keep the interior of the spray tower 110 at a constant temperature;
in the embodiment of the present invention, the hot air delivery module 130 is used for delivering hot air, i.e. hot air, to the inside of the spray tower 110 to rapidly dry the slurry mist in the spray tower 110 to form dry powder. The hot air transmission module includes an air source device for providing cold air, a boiler for heating the cold air, a coal water slurry pump for adding fuel to the boiler, and the like, and the control unit 120 may be connected to the air source device, the coal water slurry pump, and the like, and may adjust the size of the air source through adjusting instructions, or adjust the flow rate of the coal water slurry pump for delivering the coal water slurry fuel, and the like, thereby adjusting the size of the hot air. A feedback mechanism can be formed by the temperature sensor 140, the control unit 120 and the hot air delivery module 130, so as to keep the temperature inside the spray tower 110 constant, thereby improving the drying efficiency of the atomized slurry and the quality of the dry powder.
The slurry atomization module 150 is used to atomize the slurry to be dried in the spray tower 110.
The embodiment of the utility model provides an in, thick liquids atomizing module 150 treats the centrifugal pump of dry thick liquids and sets up the spray gun isotructure inside spray tower 110 including carrying, and this centrifugal pump will treat that dry thick liquids carry to the spray gun, and through the power of adjusting the centrifugal pump, can adjust the atomizing degree of spray gun and pour into the flow of atomizing thick liquids into, consequently can also pass through the power of the control unit 120 control centrifugal pump, makes the flow of atomizing thick liquids keep in better scope, does not do the injecing here.
Fig. 2 is a schematic structural diagram of another constant-temperature spray drying system 100 provided in embodiment 1 of the present invention.
The constant-temperature spray drying system further comprises a human-computer interaction module connected with the control unit 120;
the human-computer interaction module is configured to display the real-time temperature value in the control unit 120 and provide adjustment options of the hot air delivery module 130.
The embodiment of the utility model provides an in, this human-computer interaction module includes intelligent display equipment such as touch-sensitive screen to can set up at remote end with the control unit 120, for example, set up in spray drying system's control computer lab, so that show real-time temperature value etc. in the spray tower. In addition, other sensors or auxiliary devices may be further disposed in the spray tower, such as a pressure sensor, a small lamp and a camera for lighting and observation, and connected to the control unit 120, so as to display and provide operation keys through a human-computer interaction module connected to the control unit 120, thereby facilitating monitoring and operation of the dry powder process by a worker.
The control unit 120 includes a PID control unit 121;
the PID control unit 121 is configured to calculate the coal water slurry supply amount of the hot air delivery module 130 according to the real-time temperature and the preset temperature, and generate the corresponding adjustment instruction according to the coal water slurry supply amount.
The embodiment of the utility model provides an in, PID the control unit 121 is proportional-integral-derivative control unit, can prestore has preset temperature in this PID the control unit 121, a coal slurry supply volume for carrying out contrast calculation hot-blast transport module 130 with real-time temperature, for example when real-time temperature is higher than preset temperature, then control reduces hot-blast transport module 130's coal slurry supply volume, and when real-time temperature is less than preset temperature, then control increases hot-blast transport module 130's coal slurry supply volume, make the inside temperature of spray tower keep at preset temperature value through the feedback mechanism. Alternatively, the PID control unit 121 may further store a lookup table of real-time temperature and coal water slurry supply amount, and search for the corresponding coal water slurry supply amount according to the real-time temperature, which is not limited herein.
Example 2
Fig. 3 is a schematic structural diagram of a hot air delivery module according to embodiment 2 of the present invention.
The hot air delivery module 300 comprises a frequency converter 310 connected with a control unit, a centrifugal pump 320 connected with the frequency converter 310, and a combustion furnace 330 connected with the centrifugal pump 320;
the frequency converter 310 is configured to receive the adjustment instruction, and adjust the coal water slurry supply amount of the centrifugal pump 320 according to the adjustment instruction;
in the embodiment of the present invention, the centrifugal pump 320 is used for delivering the fuel coal water slurry to the combustion furnace 330, so that the combustion furnace 330 generates heat energy by combusting the coal water slurry to heat the air source to generate hot air. And the frequency converter 310 of the centrifugal pump 320 receives the adjusting instruction sent by the control unit, and adjusts the power of the frequency converter 310 according to the adjusting instruction, so as to adjust the speed of the centrifugal pump 320 and adjust the coal water slurry supply amount of the centrifugal pump 320.
The centrifugal pump 320 is used for transmitting the coal water slurry to the combustion furnace 330;
the embodiment of the utility model provides an in, centrifugal pump 320 is inside can also be provided with pressure sensor to gather the pressure of coal slurry, and transmit to the control unit, so that the control unit further adjusts converter 310 accurately according to the real-time pressure of coal slurry, and, can show the pressure of coal slurry in real time through the man-machine interaction module, thereby the state of monitoring centrifugal pump 320 avoids the too big damage that causes of pressure.
The combustion furnace 330 is used for combusting the coal water slurry and then heating an air source to generate hot air, and the hot air is transmitted to the air inlet through a hot air pipeline.
The embodiment of the utility model provides an in, also can be provided with temperature sensor in burning furnace 330 inside to gather real-time temperature transmission to the control unit, the staff can also monitor the temperature in burning furnace 330 through man-machine interaction module, thereby improves the precision of dry powder operation, and can be provided with pressure sensor among the hot-air pipes, monitors the pressure value of hot-air, avoids the too big hot-air pipes emergence accident that causes of pressure to break. Meanwhile, through the keys provided by the human-computer interaction module, the worker can also control the centrifugal pump 320, which is not limited herein.
The hot air delivery module 300 further includes an air source device 340 connected to the combustion furnace 330, a combustion fan 350, and a slag extractor 360.
The embodiment of the utility model provides an in, above-mentioned wind regime equipment 340 can also be connected to the control unit, can control the size of output wind-force through the control unit, and the man-machine interaction module who is connected to the control unit can provide the button of control wind regime equipment 340 equally. Similarly, the combustion fan 350 and the slag extractor 360 can also be connected to the control unit, and the man-machine interaction module connected to the control unit can provide corresponding control keys through control of the control unit. The slag extractor 360 is installed at the bottom of the combustion furnace 330, is a propeller-type slag extractor 360, and is additionally provided with circulating water cooling, so that the labor intensity of workers is reduced.
Example 3
Fig. 4 is a schematic structural diagram of a constant-temperature spray drying system provided in embodiment 3 of the present invention.
The constant temperature spray drying system 400 comprises a spray tower 410, a control unit 420, a hot air delivery module 430 connected with the control unit 420, a temperature sensor 440 arranged at the top end inside the spray tower 410 and connected with the control unit 420, and a slurry atomization module 450 connected with the spray tower 410;
the powder outlet is provided with a quality detection sensor 460 connected with the control unit 420;
the quality detection sensor 460 is configured to detect powder at the powder outlet, obtain powder outlet quality information, and transmit the powder outlet quality information to the control unit 420;
the control unit 420 is further configured to adjust the supply amount of the slurry to be dried by the slurry atomization module 450 according to the powder outlet quality information.
In the embodiment of the present invention, for example, when the control unit 420 detects that the particles in the dry powder are too large or are still wet through the powder quality information, the control unit 420 may reduce the supply amount of the slurry to be dried of the slurry atomization module 450, or control the hot air delivery module 430 to increase the temperature in the spray tower 410, so as to improve the quality of the dry powder. The current powder output quality information can be monitored through the man-machine interaction module. The powder discharging quality information includes the size of the dry powder particles, the humidity of the dry powder, and the like, which is not limited herein.
The embodiment of the utility model provides an in, the play powder mouth department at spray tower 410 can also be provided with the board that turns over that the screening dry powder was used, when the higher cubic of quality that drops, can propose unqualified cubic through should turning over the board upset.
The constant temperature spray drying system 400 further comprises a dust removal module 470 connected to the spray tower 410;
the dust removing module 470 is used for sucking the excessive dust inside the spray tower 410.
As shown in fig. 5, the dust removing module 470 includes a dust collector 471 connected to the spray tower 410, and a negative pressure fan 472 connected to the dust collector 471;
the negative pressure fan 472 is configured to provide negative pressure for the dust collector 471, so that the dust collector 471 sucks excess dust inside the spray tower 410;
the control unit 420 is further connected to the negative pressure fan 472, and controls the hot air delivery module 430 to stop working after detecting that the negative pressure fan 472 stops working.
The embodiment of the utility model provides an in order to prevent at dry thick liquids in-process negative pressure air fan 472 sudden stop, the burning furnace that leads to hot air transportation module 430 and spray tower 410 temperature overflow constitute great potential safety hazard, detect negative pressure air fan 472 at the control unit 420 and stop the back, can control hot air transportation module 430 stop work immediately.
Example 4
Fig. 6 is a schematic structural diagram of a slurry atomization module provided in embodiment 4 of the present invention.
The slurry atomization module 600 comprises a frequency converter 610 connected with the control unit, a pressure sensor 620, a centrifugal pump 630 connected with the frequency converter 610, and a spray gun 640 connected with the centrifugal pump 630;
the spray gun 640 is arranged inside the spray tower and used for spraying and atomizing the slurry to be dried;
the pressure sensor 620 is used for detecting the pressure value of the spray gun 640 and transmitting the pressure value to the control unit;
the control unit is further connected to the frequency converter 610, and the frequency converter 610 is adjusted according to the pressure value to adjust the supply of the slurry to be dried to the centrifugal pump 630.
The device also comprises a vibrator which is arranged on the spray gun 640 and connected with the control unit;
the vibrator is configured to vibrate the spray gun 640 at preset time intervals, or receive a vibration instruction sent by the control unit to vibrate.
The embodiment of the utility model provides an in, the thick liquids in the spray tower are atomized through spray gun 640, and it is bad to block up to cause the atomizing easily at atomizing in-process spray gun 640, at this moment need shake off the spray gun 640 that blocks up, guarantees that the atomizing continues to go on. Moreover, through keys provided by the man-machine interaction module, a worker can remotely control the vibrator to vibrate, and the safety during working is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A constant-temperature spray drying system is characterized by comprising a spray tower, a control unit, a hot air conveying module connected with the control unit, a temperature sensor arranged at the top end in the spray tower and connected with the control unit, and a slurry atomization module connected with the spray tower;
the spraying tower comprises an air inlet at the top end and a powder outlet at the bottom end, and the air inlet is connected with the hot air conveying module through a hot air pipeline;
the control unit is used for generating an adjusting instruction according to the real-time temperature acquired by the temperature sensor to adjust the hot air conveying module;
the hot air conveying module is used for adjusting the size of hot air conveyed by the hot air conveying module according to the adjusting instruction so as to keep the interior of the spraying tower at a constant temperature;
the slurry atomization module is used for atomizing the slurry to be dried in the spray tower.
2. The constant-temperature spray drying system according to claim 1, further comprising a human-computer interaction module connected with the control unit;
the human-computer interaction module is used for displaying the real-time temperature value in the control unit and providing adjustment options of the hot air delivery module.
3. The constant-temperature spray drying system according to claim 1, wherein the hot air delivery module comprises a frequency converter connected with a control unit, a centrifugal pump connected with the frequency converter, and a combustion furnace connected with the centrifugal pump;
the frequency converter is used for receiving the adjusting instruction and adjusting the coal water slurry supply amount of the centrifugal pump according to the adjusting instruction;
the centrifugal pump is used for transmitting the coal water slurry to the combustion furnace;
the combustion furnace is used for heating an air source to generate hot air after the coal water slurry is combusted, and the hot air is transmitted to the air inlet through a hot air pipeline.
4. The system of claim 3, wherein the hot air delivery module further comprises an air source device, a combustion fan, and a slag extractor coupled to the burner.
5. The constant-temperature spray drying system according to claim 1, wherein the powder outlet is provided with a quality detection sensor connected with the control unit;
the quality detection sensor is used for detecting powder at the powder outlet, obtaining powder outlet quality information and transmitting the powder outlet quality information to the control unit;
the control unit is also used for adjusting the supply amount of the slurry to be dried of the slurry atomization module according to the powder outlet quality information.
6. The constant temperature spray drying system of claim 1, further comprising a dust removal module connected to the spray tower;
the dust removal module is used for absorbing redundant dust in the spray tower.
7. The constant temperature spray drying system of claim 6, wherein the dust removal module comprises a dust collector connected to the spray tower, a negative pressure fan connected to the dust collector;
the negative pressure fan is used for providing negative pressure for the dust collector, so that the dust collector absorbs redundant dust in the spray tower;
the control unit is further connected to the negative pressure fan and controls the hot air conveying module to stop working after detecting that the negative pressure fan stops working.
8. The constant-temperature spray drying system according to any one of claims 1 to 7, wherein the slurry atomization module comprises a frequency converter connected with the control unit, a pressure sensor, a centrifugal pump connected with the frequency converter, and a spray gun connected with the centrifugal pump;
the spray gun is arranged in the spray tower and is used for spraying and atomizing the slurry to be dried;
the pressure sensor is used for detecting the pressure value of the spray gun and transmitting the pressure value to the control unit;
the control unit is also connected to the frequency converter, and the frequency converter is adjusted according to the pressure value so as to adjust the supply quantity of the slurry to be dried of the centrifugal pump.
9. The system of claim 8, wherein the slurry atomization module further comprises a vibrator disposed on the lance and connected to the control unit;
the vibrator is used for vibrating the spray gun according to a preset time interval or receiving a vibration instruction sent by the control unit for vibration.
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| CN202022650356.3U CN214181820U (en) | 2020-11-16 | 2020-11-16 | Constant temperature spray drying system |
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| CN112316456A (en) * | 2020-11-16 | 2021-02-05 | 景德镇欧神诺陶瓷有限公司 | Constant temperature spray drying system |
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| CN112316456A (en) * | 2020-11-16 | 2021-02-05 | 景德镇欧神诺陶瓷有限公司 | Constant temperature spray drying system |
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