CN108848579B - Small oil sludge heater - Google Patents
Small oil sludge heater Download PDFInfo
- Publication number
- CN108848579B CN108848579B CN201810926235.1A CN201810926235A CN108848579B CN 108848579 B CN108848579 B CN 108848579B CN 201810926235 A CN201810926235 A CN 201810926235A CN 108848579 B CN108848579 B CN 108848579B
- Authority
- CN
- China
- Prior art keywords
- end cover
- space
- temperature
- inner tube
- push
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
Abstract
The invention relates to a small-sized oil sludge heater, which comprises a body and an end cover, wherein a cavity is arranged in the body, an inner pipe is inserted in the center of the top of the body, the top of the inner pipe extends out of the body and can be in threaded connection with the end cover, a heat insulation plate is fixedly arranged at the bottom of the inner pipe, a push-pull plate for placing oil sludge is arranged in the inner pipe, a push-pull mechanism is arranged below the push-pull plate, the end part of the push-pull mechanism penetrates through the heat insulation plate and is fixedly connected with the push-pull plate, a control heating mechanism is also arranged in the body and comprises an electric heating wire wound in the inner pipe, a temperature sensor and a controller, the temperature sensor and the controller are arranged on the side wall of the inner pipe, and the controller can receive signals of the temperature sensor and control and adjust the heating temperature of the electric heating wire; the end cover lateral wall is equipped with the opening that is linked together with the end cover is inside, can dismantle on the end cover lateral wall that is located the opening part and be equipped with an bush, but utilize the fatlute after push-and-pull mechanism automatic output heating, the shape that the fatlute was exported is controlled to usable bush simultaneously, and the structure is small and exquisite, convenient to carry, and be suitable for the heating of a small amount of fatlute, the practicality is stronger.
Description
Technical Field
The invention relates to a heating device, in particular to a small oil sludge heater.
Background
The oil sludge heater is a device for quickly and conveniently heating oil sludge, plays an indispensable role in the manufacturing process of an automobile oil sludge model, the creation of an oil sludge sculpture, a manual handicraft and other handicraft articles, is mainly a large and medium oil sludge heater or a simple oil sludge heating device in the current market, is respectively used by industrial or manual crowds, is mostly suitable for heating a large amount of oil sludge for the large and medium oil sludge heater, and therefore, when the oil sludge demand is small, the oil sludge heater does not accord with the design concept of environmental protection and convenience, and has certain resource waste; to current simple and easy fatlute heating device, the structure is simple and crude, and the operation is inconvenient and more complicated, is applicable to manual technology preparation more, and the completion degree and the integration degree are relatively poor, and the security is lower, and just it is inconvenient to take time. In addition, since the heated and softened sludge is generally processed into a specific shape, in order to reduce the difficulty of subsequent processing, certain pretreatment needs to be performed on the heated sludge, and thus, the function and structure of the sludge heater need to be improved.
Disclosure of Invention
In view of the above, the present invention discloses a small-sized sludge heater, which can realize automatic output of heated sludge and control the output shape of the sludge.
The invention provides a small oil sludge heater which comprises a body and an end cover, wherein a cavity is formed in the body, an inner pipe is inserted in the center of the top of the body, the top of the inner pipe extends out of the body and can be in threaded connection with the end cover, a heat insulation plate parallel to the bottom of the body is fixedly arranged at the bottom of the inner pipe in the body, the outer edge of the heat insulation plate is in close contact with the inner wall of the body, a first space is formed between the bottom of the heat insulation plate and the inner wall of the body, a push-pull plate for placing oil sludge is arranged in the inner pipe, a push-pull mechanism is arranged in the first space, the end part of the push-pull mechanism penetrates through the heat insulation plate and is fixedly connected with the push-pull plate and used for pushing the push-pull plate to move up and down along the axial direction of the inner pipe;
the device body is also internally provided with a heating control mechanism which comprises an electric heating wire wound in the inner pipe and a controller positioned on the outer wall of the device body at the first space position, and the controller can control and adjust the heating temperature of the electric heating wire;
the side wall of the end cover is provided with an opening communicated with the inside of the end cover, and the side wall of the end cover at the opening is detachably provided with a neck mold.
Furthermore, a second space is formed by the top of the heat insulation plate, the inner wall of the device body and the outer wall of the inner pipe, and at least one heat dissipation opening is formed in the outer wall of the device body located in the second space.
Furthermore, the controller is a PLC programmable controller, the PLC programmable controller comprises a CPU, an I/O input module, an I/O output module, an A/D module for collecting temperature, a D/A module for controlling output of temperature information and a display screen, a temperature sensor is arranged on the side wall of the inner pipe, and the controller receives temperature signals collected by the temperature sensor through the A/D module.
Furthermore, a power supply assembly is arranged in the first space, a circular hole for communicating the first space with the second space is formed in the heat insulation plate, the power supply assembly penetrates through the circular hole and is connected with a digital potentiometer and a first switch in series between the electric heating wires, the digital potentiometer comprises a high end RH, a low end RL and a sliding end RW, the high end RH and the low end RL of the digital potentiometer are connected in series with a circuit formed by connecting the power supply assembly and the electric heating wires in series, and the sliding end RW of the digital potentiometer is connected to a D/A module interface of the controller.
Furthermore, the push-pull mechanism is an electric telescopic rod, the electric telescopic rod comprises a driving motor and a telescopic rod, a second switch is connected between the driving motor and the power supply assembly in series, the first switch and the second switch are both electronic switches, the I/O input module is a plurality of keys, and the first switch and the second switch are connected at an interface of the I/O output module.
Furthermore, the top of the heat insulation plate and the inner wall of the inner tube form a third space, a through hole communicated with the first space and the third space is formed in the center of the heat insulation plate, the telescopic rod penetrates through the through hole to be connected with the push-pull plate, a plug is arranged between the inner tube and the end cover, the lower portion of the plug is of a structure the same as the cross section of the inner wall of the inner tube, the upper portion of the plug is of a structure the same as the cross section of the outer wall of the inner tube, a threaded hole capable of being in threaded connection with the inner tube is formed in the bottom of the end cover, the height of the threaded hole is larger than the thickness of the upper portion of the plug, the inner diameter of the threaded hole is the same as the outer diameter of the inner tube, and when the plug is located at the top of the inner tube and is installed into the threaded hole of the end cover together with the inner tube in a threaded mode, the third space can be sealed.
Furthermore, the two ends of the neck ring mold are respectively provided with an input end communicated with the opening and an output end used for outputting oil sludge, four fixed grooves are arranged at four angular positions of the input end of the neck ring mold, screw holes corresponding to the fixed grooves in a one-to-one mode are formed in the side wall of the neck ring mold, fixed blocks corresponding to the fixed grooves in position are arranged on the side wall of the end cover located at the opening, the fixed blocks can be inserted into the fixed grooves and inserted into the screw holes through screws to fix the fixed blocks, and therefore the neck ring mold is fixedly connected with the end cover.
Furthermore, the connection surface of the end cover at the opening of the neck mold is a magnetic surface.
Furthermore, a through channel is arranged in the neck ring mold, the channel comprises a polymerization part and a shaping part which are sequentially communicated along the direction from the input end to the output end of the neck ring mold, the longitudinal section area of the polymerization part is gradually reduced from the input end to the output end of the neck ring mold, and the longitudinal sections of the shaping part at any position are all plane figures with the same size.
Furthermore, four corners at the bottom of the device body are provided with a support leg.
Furthermore, the temperature control method of the controller is a PID control algorithm, and the algorithm process is that a target temperature value is set in the controller, and a corresponding proportional amplification factor K is set according to the temperature range value required by oil sludge heating p And integral amplification factor K i And then the real-time temperature value u in the third space collected by the temperature sensor 0 Comparing the temperature values to obtain an error temperature value e (t) of the two temperature values, and calculating to obtain an output value u (t) of the required heating temperature, wherein the calculation formula is as follows:
u(t)＝K p *e(t)+K i ∑e(t)+u 0
and then the controller sends the control output temperature value u (t) to the D/A module and controls the digital potentiometer, so that the resistance value of the digital potentiometer is adjusted, the working voltage of the electric heating wire is adjusted, and finally the heating temperature of the electric heating wire is adjusted, so that the automatic control of the heating temperature is realized.
The technical scheme provided by the invention has the beneficial effects that: adopt controller and temperature sensor's mutually supporting to in time measure the error size between settlement temperature and the actual heating temperature, the heating temperature of automatic regulation and control heating wire utilizes bush and electric telescopic handle's promotion simultaneously, can realize the automatic output after the fatlute heating, and can control the shape of fatlute output, this device structure is small and exquisite simultaneously, and convenient to carry is applicable to the heating situation of a small amount of fatlute moreover, and the practicality is stronger.
Drawings
Fig. 1 is a structural view of a small-sized sludge heater according to an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view at A of FIG. 2;
FIG. 4 is a control schematic of a controller in an embodiment of the present invention;
FIG. 5 is a block diagram of a PID control algorithm of the controller according to an embodiment of the invention.
In the figure: 1. the device comprises a device body 2, an end cover 201, a fixed block 3, an inner pipe 4, a heat insulation board 5, a circular hole 6, a through hole 7, a push-pull plate 8, an electric telescopic rod 9, a heating wire 10, a temperature sensor 11, a controller 1101, a CPU 1102, an I/O input module 1103, an I/O output module 1104, an A/D module 1105, a D/A module 1106, a display screen 12, a power supply assembly 13, an opening 14, a mouth mold 1401, a fixed groove 1402, a polymerization part 1403, a shaping part 15, a digital potentiometer 16, a plug 17, a heat dissipation port 18, a support leg 100, a first space 200, a second space 300 and a third space.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention discloses a small oil sludge heater, including a device body 1 and an end cover 2, where the device body 1 is a cylindrical structure, the inside of the device body 1 is a cavity, the top of the device body 1 is provided with a gap, the gap is circular, and the cross sections of the gap and the device body 1 are concentric circles, that is, it is ensured that the center of the gap is located on the central axis of the device body 1, the gap is inserted with an inner tube 3, the inner tube 3 includes an inner liner tube arranged inside the device body 1 and a connecting tube extending to the outside of the device body 1, an electric heating wire 9 is uniformly wound in the inner liner tube, the outer wall of the inner liner tube is provided with a terminal box for connecting a power supply, the inner liner tube is made of polished mirror surface stainless steel, not only is the inner wall is smooth, so that oil sludge can easily travel along the inner wall of the inner liner tube, but also the heat preservation effect of the stainless steel is good, the temperature after being heated in the inner liner tube can be prevented from being dissipated, and the utilization rate of heat energy can be maximally improved; a heat insulation plate 4 along the radial direction of the device body 1 is arranged in the device body 1 at the bottom of the inner bile duct, the top of the heat insulation plate 4 is in close contact with the bottom of the inner bile duct, the outer edge of the heat insulation plate 4 is in close contact with the inner wall of the device body 1, so that the internal space of the device body 1 is divided into a first space 100 formed by the bottom of the heat insulation plate 4 and the inner wall of the device body 1, a second space 200 formed by the top of the heat insulation plate 4, the inner wall of the device body 1 and the outer wall of the inner bile duct, and a third space 300 formed by the top of the heat insulation plate 4 and the inner wall of the inner bile duct, wherein a round hole 5 is arranged on the heat insulation plate 4 and used for conducting the first space 100 and the second space 200, and a through hole 6 is also arranged at the center of the heat insulation plate 4 and used for conducting the first space 100 and the third space 300;
the device comprises a device body 1 and is characterized in that at least one heat dissipation opening 17 is further arranged on the outer wall of the device body 1 and positioned in the second space 200, a filter screen can be arranged in the heat dissipation opening 17, a louver type with an outward opening 13 can be arranged, a heat dissipation fan is further arranged on the inner wall of the device body 1, which is close to the inner side of the heat dissipation opening 17, and is used for detecting that when the heating temperature in the device body 1 is too high and needs to be rapidly cooled, the heat dissipation fan can be opened to rapidly dissipate high-temperature gas in the device body 1, and meanwhile, the filter screen or the louver can prevent external dust from entering the second space 200.
A power supply assembly 12 and an electric telescopic rod 8 are arranged in the first space 100, the power supply assembly 12 is a high-density lithium battery pack, the power supply assembly 12 penetrates through the round hole 5 through a conducting wire to be connected with the junction box and is used for supplying power to the electric heating wire 9, so that the electric heating wire 9 is powered on and generates heat to further heat the space in the liner tube, a digital potentiometer 15 and a first switch are further connected between the junction box and the power supply assembly 12 in series, the digital potentiometer 15 comprises a high end RH, a low end RL and a sliding end RW, the high end RH and the low end RL of the digital potentiometer 15 are connected into a circuit formed by connecting the power supply assembly 12 and the junction box in series, the sliding end RW is used for adjusting the resistance value of the digital potentiometer 15, further controlling the input voltage of the electric heating wire 9, and finally controlling the heating temperature of the electric heating wire 9, and the first switch can be used for connecting or disconnecting the electric heating wire 9. The top of the liner tube is provided with a temperature sensor 10 for monitoring the temperature in the third space 300 in real time, and the temperature sensor 10 can adopt an infrared temperature sensor 10 to realize non-contact temperature information acquisition on the third space 300;
the electric telescopic rod 8 comprises a telescopic rod and a driving motor for driving the telescopic rod, the driving motor is connected with the power supply assembly 12 through a conducting wire to supply power to the power supply assembly, and a second switch is further connected in series between the power supply assembly 12 and the driving motor and used for switching on or off the power supply for the driving motor; the telescopic rod penetrates through the through hole 6 and then enters the third space 300, a push-pull plate 7 is arranged at the end of the telescopic rod, the push-pull plate 7 is circular and has the same inner diameter as the inner liner tube, so that the push-pull plate 7 is in close contact with the inner wall of the inner liner tube, the space above the push-pull plate 7 and the space below the push-pull plate 7 can be separated from each other, and oil sludge cannot enter the space below the push-pull plate 7 after being placed on the push-pull plate 7 and heated and softened.
Meanwhile, referring to fig. 4 and 5, a controller 11 is installed in an outer wall of the device body 1 located in the first space 100, a main body of the controller 11 is a PLC programmable controller 11, and includes a CPU1101, an I/O input module 1102 and an I/O output module 1103, an a/D module 1104 for collecting temperature, a D/a module 1105 for controlling and outputting temperature information, and a display screen 1106, and the CPU1101 is respectively connected to the driving motor, the display screen 1106, and a sliding end RW of the digital potentiometer 15 through interfaces, where the I/O input module 1102 is a plurality of keys, including but not limited to a key for controlling on/off of the electric heating wire 9, a key for adjusting resistance of the digital potentiometer 15, and a key for controlling forward and reverse rotation and on/off of the driving motor, so as to achieve the purposes of controlling temperature and controlling extension or shortening of the telescopic rod.
The first switch and the second switch are both electronic switches, and both the first switch and the second switch are connected to the I/O output module 1103 of the controller 11, and can be directly controlled to be turned off or turned on by key input of the I/O input module 1102, so as to control the driving motor or the heating wire 9 to work or be turned off.
The display screen 1106 can read and display various parameters in the PLC 11 and temperature values detected by the temperature sensor 10 in real time, and can set heating time, heat preservation time, and the like, so as to know the control effect of the heating and heat preservation device.
The temperature control method of the controller is a PID control algorithm, a target temperature value is set in the PLC (programmable logic controller) 11 by utilizing a key, and a corresponding proportional amplification factor K is set according to a temperature range value required by oil sludge heating p And the integral amplification factor K i And then with the temperature sensor 10 will acquire the temperature value u in real time 0 Comparing to obtain error temperature e (t) of the two, calculating to obtain output value u (t) of the temperature to be heated, and using the following formula:
u(t)＝K p *e(t)+K i ∑e(t)+u 0
the temperature sensor 10 will then acquire the temperature value u in real time 0 The analog signal is converted into a temperature digital signal through the a/D module 1104, the PLC programmable controller 11 reads out the temperature data in the a/D module 1104, converts the temperature data into a temperature value, and displays the temperature value on the display screen 1106, and according to the control rule, sends the control output temperature value u (t) to the D/a module 1105, the D/a module 1105 converts the temperature digital signal into an analog signal to control the digital potentiometer 15, and then controls the RW end of the digital potentiometer 15 to adjust the resistance value of the digital potentiometer 15, thereby realizing the adjustment of the working voltage of the heating wire 9, and finally adjusting the heating temperature of the heating wire 9, and further achieving the purpose of automatic control of the heating temperature.
The outer wall of the connecting pipe is provided with external threads, the bottom of the end cover 2 is provided with a threaded hole which can be connected with the inner pipe in a threaded manner, internal threads matched with the threaded hole are arranged in the threaded hole, the end cover 2 and the device body 1 can be installed in a threaded manner, a plug 16 is arranged between the connecting pipe and the end cover 2, the lower portion of the plug 16 is of a circular structure with the same cross section of the inner diameter of the connecting pipe, the upper portion of the plug 16 is of a circular structure with the same cross section of the outer diameter of the connecting pipe, the height of the threaded hole is larger than the thickness of the upper portion of the plug 16, the inner diameter of the threaded hole is the same as the outer diameter of the inner pipe 3, when the plug 16 is located at the top of the inner pipe 3 and is installed in the threaded hole of the end cover 2 together with the inner pipe 3, the third space 300 can be sealed, and the temperature of greasy filth cannot overflow during heating.
Referring to fig. 2 and 3, an opening 13 is formed in a side wall of the end cover 2, the opening 13 is communicated with an inside of the end cover 2, a guide channel is formed between the opening 13 and the inside of the end cover 2, when the plug 16 is not disposed between the connecting pipe and the end cover 2, the third space 300 is communicated with the guide channel, the caliber of a longitudinal section of the guide channel along an axis gradually decreases from the bottom of the end cover 2 to the opening 13, a die 14 is fixedly mounted on the side wall of the end cover 2 at the opening 13, two ends of the die 14 are respectively an input end communicated with the opening 13 and an output end used for outputting oil sludge, four fixing grooves 1401 are disposed at four angular positions of the input end of the die 14, screw holes corresponding to the fixing grooves 1401 are disposed on a side wall of the die 14, a fixing block 201 corresponding to the positions of the fixing grooves 1401 is disposed on the side wall of the end cover 2 at the opening 13, the fixing block 201 can be inserted into the fixing grooves 1401, and can be fixed to the fixing block 201 by inserting screws into the fixing grooves 201, and finally, the fixing connection between the die 14 and the end cover 2 is achieved.
A through channel is arranged in the die 14, the channel comprises a polymerization part 1402 and a shaping part 1403, the polymerization part 1402 and the shaping part 1403 are sequentially communicated in the direction from the input end to the output end of the die 14, the longitudinal sectional area of the polymerization part 1402 is gradually reduced from the input end to the output end of the die 14, one end of the polymerization part 1402 is communicated with the opening 13, the other end of the polymerization part 1402 is communicated with the shaping part 1403, the longitudinal sections of the shaping parts 1403 at any positions are identical, the longitudinal section of the shaping part 1403 at any position can be circular, square, hexagonal, octagonal or other similar plane figures, and therefore the shapes of oil sludge coming out of the die 14 are different, and different use requirements are met.
In particular, the connection surfaces of the neck ring 14 and the end cover 2 are magnetic surfaces, so that the neck ring 14 and the end cover 2 can attract each other during installation, and thus the installation of the neck ring 14 and the end cover 2 is more firm.
Further, four angles in the bottom of the heater body 1 are provided with a support leg 18, so that the heater body 1 is supported during working, and the support legs 18 can be in a suction disc shape, so that the heater body is more compact when combined with a table body, and the stability of the whole structure during working is ensured.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (4)
1. A small-size oil sludge heater, includes ware body and end cover, this internal cavity, its characterized in that of ware:
an inner tube is inserted into the center of the top of the device body, the top of the inner tube extends out of the device body and can be in threaded connection with the end cover, a heat insulation plate parallel to the bottom of the device body is fixedly arranged at the bottom of the inner tube in the device body, the outer edge of the heat insulation plate is in close contact with the inner wall of the device body, a first space is formed between the bottom of the heat insulation plate and the inner wall of the device body, a push-pull plate for placing oil sludge is arranged in the inner tube, a push-pull mechanism is arranged in the first space, the end part of the push-pull mechanism penetrates through the heat insulation plate and is fixedly connected with the push-pull plate, and the push-pull plate is pushed to move up and down along the axis direction of the inner tube;
the device body is also internally provided with a heating control mechanism which comprises an electric heating wire wound in the inner tube and a controller positioned on the outer wall of the device body at the first space position, and the controller can control and regulate the heating temperature of the electric heating wire;
the side wall of the end cover is provided with an opening communicated with the inside of the end cover, and the side wall of the end cover at the opening is detachably provided with a neck ring mold; a second space is formed by the top of the heat insulation plate, the inner wall of the device body and the outer wall of the inner pipe, and at least one heat dissipation opening is formed in the outer wall of the device body at the second space; the controller is a PLC (programmable logic controller) which comprises a CPU (central processing unit), an I/O (input/output) module, an A/D (analog/digital) module for acquiring temperature, a D/A module for controlling output of temperature information and a display screen, wherein a temperature sensor is arranged on the side wall of the inner tube, and the controller receives a temperature signal acquired by the temperature sensor through the A/D module; a power supply assembly is arranged in the first space, round holes which are communicated with the first space and the second space are formed in the heat insulation plate, the power supply assembly penetrates through the round holes and is connected with a digital potentiometer and a first switch in series between the electric heating wires, the digital potentiometer comprises a high end RH, a low end RL and a sliding end RW, the high end RH and the low end RL of the digital potentiometer are connected in series with a circuit which is connected in series between the power supply assembly and the electric heating wires, and the sliding end RW of the digital potentiometer is connected at a D/A module interface of the controller; the push-pull mechanism is an electric telescopic rod, the electric telescopic rod comprises a driving motor and a telescopic rod, a second switch is connected between the driving motor and the power supply assembly in series, the first switch and the second switch are both electronic switches, the I/O input module is a plurality of keys, and the first switch and the second switch are connected at the interface of the I/O output module; the top of the heat insulation plate and the inner wall of the inner tube form a third space, a through hole for communicating the first space with the third space is formed in the center of the heat insulation plate, the telescopic rod penetrates through the through hole to be connected with the push-pull plate, a plug is arranged between the inner tube and the end cover, the lower portion of the plug is of a structure the same as the cross section of the inner wall of the inner tube, the upper portion of the plug is of a structure the same as the cross section of the outer wall of the inner tube, a threaded hole capable of being in threaded connection with the inner tube is formed in the bottom of the end cover, the height of the threaded hole is larger than the thickness of the upper portion of the plug, the inner diameter of the threaded hole is the same as the outer diameter of the inner tube, and when the plug is positioned at the top of the inner tube and is installed in the threaded hole of the end cover together with the inner tube in a threaded manner, the third space can be sealed;
the temperature control method of the controller is a PID control algorithm, the algorithm process is that a target temperature value is set in the controller, and a corresponding proportional amplification factor K is set according to the temperature range value required by oil sludge heating p And the integral amplification factor K i And then the real-time temperature value u in the third space collected by the temperature sensor 0 Comparing the two error temperature values to obtain an output value u (t) of the required heating temperature, wherein the calculation formula is as follows:
u(t)= K p * e(t)+ K i 
+ u 0
and then the controller sends the control output temperature value u (t) to the D/A module and controls the digital potentiometer, so that the resistance value of the digital potentiometer is adjusted, the working voltage of the electric heating wire is adjusted, and finally the heating temperature of the electric heating wire is adjusted, so that the automatic control of the heating temperature is realized.
2. A compact sludge heater as claimed in claim 1 wherein: the end cover comprises a neck ring and an end cover, wherein the neck ring is provided with an opening, the two ends of the neck ring are respectively provided with an input end communicated with the opening and an output end used for outputting oil sludge, four corner positions of the input end of the neck ring are provided with four fixing grooves, screw holes in one-to-one correspondence with the fixing grooves are formed in the side wall of the neck ring, fixing blocks corresponding to the fixing grooves are arranged on the side wall of the end cover at the opening, the fixing blocks can be inserted into the fixing grooves and inserted into the screw holes through screws to fix the fixing blocks, and the neck ring is fixedly connected with the end cover.
3. A compact sludge heater as claimed in claim 2 wherein: the die is characterized in that a through channel is arranged in the die, the channel comprises a polymerization part and a shaping part which are sequentially communicated along the direction from the input end to the output end of the die, the longitudinal sectional area of the polymerization part is gradually reduced from the input end to the output end of the die, and the longitudinal sections of the shaping part at any position are all plane figures with the same size.
4. A compact sludge heater as claimed in claim 1 wherein: four angles in the bottom of the device body are provided with a support leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810926235.1A CN108848579B (en) | 2018-08-15 | 2018-08-15 | Small oil sludge heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810926235.1A CN108848579B (en) | 2018-08-15 | 2018-08-15 | Small oil sludge heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108848579A CN108848579A (en) | 2018-11-20 |
| CN108848579B true CN108848579B (en) | 2022-11-29 |
Family
ID=64188155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810926235.1A Active CN108848579B (en) | 2018-08-15 | 2018-08-15 | Small oil sludge heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108848579B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799861A (en) * | 2019-02-14 | 2019-05-24 | 华勤通讯技术有限公司 | Temp and humidity regulator and electronic equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591381B (en) * | 2012-03-01 | 2014-07-02 | 桂林电子科技大学 | Heating thermal-insulation device of universal material tester and temperature control method of heating thermal-insulation device |
| CN203037060U (en) * | 2013-01-10 | 2013-07-03 | 温州大学 | Novel electric oil sludge heating furnace |
| CN207395472U (en) * | 2017-09-11 | 2018-05-22 | 江苏康玉环保科技有限公司 | A kind of energy-saving vacuum stove |
| CN108043071A (en) * | 2017-12-12 | 2018-05-18 | 浙江凯盈新材料有限公司 | A kind of deaeration agitating device of silver paste |
| CN208540187U (en) * | 2018-08-15 | 2019-02-22 | 中国地质大学（武汉） | A kind of small-sized greasy filth heater |
-
2018
- 2018-08-15 CN CN201810926235.1A patent/CN108848579B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108848579A (en) | 2018-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108848579B (en) | Small oil sludge heater | |
| CN202003292U (en) | Intelligent heat radiation rack of laptop | |
| CN205230073U (en) | Infrared formula face recognition device | |
| CN203136096U (en) | Remote control ballscrew automatic elevating microphone support | |
| CN204425115U (en) | A kind of DC motor speed regulating device | |
| CN106122067B (en) | A kind of electric fan intelligence control system and method | |
| CN208540187U (en) | A kind of small-sized greasy filth heater | |
| CN203415867U (en) | Novel frequency conversion power control cabinet | |
| CN2276643Y (en) | Intellgence temp. fuzzy control instrument | |
| CN203371164U (en) | Movable electric cabinet of numerical control plasma cutting machine | |
| CN206602693U (en) | Intelligent Dynamic adjusts lighting device | |
| CN201621360U (en) | Central heating flow automatic control driving device | |
| CN211670794U (en) | Inverter capable of transforming voltage automatically | |
| CN210705757U (en) | High-precision automobile injection mold | |
| CN210671121U (en) | Intelligent heat dissipation type system cabinet | |
| CN207893641U (en) | A kind of solar LED underground lamp | |
| CN206663237U (en) | A kind of battery aluminum shell automatic servo manipulator | |
| CN212681075U (en) | Medical superclean bench with temperature control function | |
| CN106444892A (en) | Temperature control system and optical console | |
| CN111652206A (en) | Image recognizer that intelligent degree is high | |
| CN204511929U (en) | Temp .-controlled automatic electrical fan | |
| CN212521291U (en) | Intelligent sofa convenient to adjust | |
| CN215261072U (en) | Drying device of full-automatic integrative trade mark machine | |
| CN208983861U (en) | A kind of high energy efficiency flux sintering furnace | |
| CN203335448U (en) | Intelligent temperature control device for transmitter fans |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Ye Inventor after: Mao Bojun Inventor after: Wan Shengchao Inventor after: Wang Jie Inventor before: Wang Jie Inventor before: Wan Shengchao Inventor before: Zhou Ye |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |