Single-cone spiral drying machine with separated cavities and using method of single-cone spiral drying machine

Abstract

The invention discloses a single-cone spiral drying machine with separation cavities and a using method, the single-cone spiral drying machine comprises a drying machine shell, the drying machine shell is of a single-cone-shaped structure, a top cover is arranged at the top of the drying machine shell, a discharging valve is connected to the bottom of the drying machine shell, and a speed reduction driver is arranged in the center of the top cover; the invention relates to the technical field of single-cone spiral dryers, a plurality of separated cavities are closely arranged from top to bottom, a plurality of separated independent heat exchange chambers can independently supply heat to the outer wall of the dryer shell, and the outer wall of the dryer shell is provided with a plurality of independent heat exchange chambers which can supply heat to the outer wall of the dryer shell. And through cooperation with the bottom central heat exchanger communicated with the spiral stirrer, double heat supply can be conducted on the inside and the outside of the single-cone spiral dryer at the same time, the drying efficiency is high, different drying modes can be selected according to the material level, and the energy-saving effect is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of single-cone spiral dryers, in particular to a single-cone spiral dryer with a partition chamber and a use method thereof. Background Art

[0002] The single cone spiral dryer is a new type of drying equipment. It mainly uses a spiral agitator with heating function inside the shell, and cooperates with the heating coil between the shells to heat the material. It has the characteristics of rapid heating and drying and convenient operation, and has a compact structure and high heat utilization efficiency. It is widely used in medical, food and other fields.

[0003] In the structure of modern single-cone spiral dryer, the heating device is divided into two parts, inner and outer. During the heating process, the heating fluid is mostly introduced through the heat exchange inlet at the bottom of the shell, and then the heating fluid ascends. During the upward process of the fluid, it comes into contact with the material to complete the drying of the material.

[0004] However, the shell of the existing single-cone spiral dryer is mostly an integrated inner cavity, which means that only one heat exchange inlet at the bottom can be used to add heating fluid, and due to gravity, more materials will accumulate at the bottom, and the fluid will circulate from the heat exchange outlet at the top after heat exchange.

[0005] This leads to the following problems. First, the temperature of the heat exchange medium is relatively low in the last stage of the upward movement, resulting in insufficient heat exchange of the upper material, reducing the overall drying efficiency. At the same time, if the material to be dried is not full, the heating area of ​​the material in the single-cone spiral dryer is limited, and most of the heating medium in the upper part is equivalent to running empty, resulting in unnecessary heat waste. In view of this, in-depth research on the above problems led to the creation of this case. Summary of the invention

[0006] In view of the deficiencies of the prior art, the present invention provides a single-cone spiral dryer with a separated chamber and a method of using the same, which solves the problems of the prior art.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a single-cone spiral dryer with a partitioned chamber, comprising a drying casing, the drying casing being a single-cone structure, a top cover being arranged on the top of the drying casing, a material discharge valve being connected to the bottom of the drying casing, a reduction drive being arranged at the center of the top cover, a spiral agitator being connected to the reduction drive, and the spiral agitator being assembled in the drying casing;

[0008] An outer protective shell is coaxially arranged outside the drying shell, a heating chamber is between the outer protective shell and the drying shell, and a plurality of independent heat exchange chambers are evenly distributed from top to bottom in the heating chamber;

[0009] The plurality of independent heat exchange chambers are all hollow truncated cone rings, a plurality of independent heat supply pipelines and a plurality of return pipelines are arranged on the plurality of independent heat exchange chambers, and a plurality of separation rings are evenly arranged on the outside of the dryer housing and are respectively sandwiched between the plurality of independent heat exchange chambers;

[0010] The outer casing is composed of a pair of symmetrical semi-single cone shells, and the pair of semi-single cone shells are connected by tension bolts;

[0011] The independent heat exchange chamber is composed of two symmetrical semi-annular cavities, which are symmetrically arranged and interconnected through a socket structure;

[0012] A central heater is arranged on the lowermost independent cavity, and the central heater is connected to the spiral stirrer, and the central heater is used to provide heat for the spiral stirrer;

[0013] One side of a plurality of independent heating pipelines is connected with a heating diverter, and the outside of a plurality of return pipelines is connected with a converging flow guider.

[0014] The top cover is provided with a vacuum interface, a material input port and a material level detector. The top cover is a partial spherical shell. The outer edge of the top cover is protrudingly provided with a ring edge, and the top end of the corresponding dryer shell is provided with a connecting ring. The ring edge and the connecting ring are connected to each other by a plurality of tension bolts.

[0015] The reduction drive is composed of a power motor and a reducer. The output end of the reducer is provided with a shaft keyway, and the central shaft of the spiral stirrer cooperates with the shaft keyway through a transmission shaft key.

[0016] The independent heat exchange chamber comprises a pair of symmetrical shells of semi-annular cavity structure, a heat exchange coil is arranged in the pair of symmetrical shells, a plurality of matching plugs are arranged at symmetrical positions on both sides of the heat exchange coil and are connected with a plurality of sleeves, and both ends of the heat exchange coil are respectively connected with an independent heating pipeline and a return pipeline;

[0017] The head end of the cannula is provided with a sealing ring, the sleeve hole is provided with a sealing ring groove, and the sealing ring is embedded in the sealing ring groove;

[0018] The inner wall surface of the casing is evenly distributed with a plurality of heat exchange grooves, and the dryer casing is provided with a plurality of heat exchange rings corresponding to the plurality of heat exchange grooves.

[0019] The heat diverter includes a main heat supply pipe, on which a number of diversion tees are evenly arranged, a number of the diversion tees are equipped with a number of three-way control valves, a number of diversion interfaces are arranged on one side of the number of diversion tees, and the number of diversion interfaces are respectively connected to a number of independent heat supply pipelines.

[0020] The confluence guider includes a confluence pipe, which is arranged on one side of the dryer casing. A confluence buffer cylinder is provided on the top cover, one side of the confluence buffer cylinder is connected to a confluence connecting pipe, the confluence buffer cylinder is connected to the confluence pipe, a plurality of confluence joints are evenly arranged on the confluence pipe, a plurality of the confluence joints are connected to a plurality of return pipelines, and a plurality of return valves are provided on the confluence joints.

[0021] The central heater includes a shunt pipe, and the independent cavity at the bottom layer is provided with a shunt pipe connected to the heat exchange coil. The bottom end of the dryer shell is provided with a socket sleeve, and the end of the shunt pipe is inserted in the socket sleeve. The socket sleeve extends a connecting pipe into the dryer shell, and the connecting pipe is connected to the bottom of the spiral agitator.

[0022] The spiral stirrer is composed of a central shaft and rotating blades wrapped on the central shaft, a transmission shaft key is arranged at the top of the central shaft, a communicating vessel is arranged at the bottom of the central shaft, the communicating vessel is communicated with a communicating pipe, the central shaft cavity extends from the communicating vessel to the top of the transmission shaft key, the central shaft cavity is communicated with the inner cavity of the rotating blades, and a return pipe is arranged at the top of the central shaft cavity to connect to the confluence buffer cylinder;

[0023] The transmission shaft key includes a cross spline; the key-shaped groove is a cross shaft key structure, a threaded hole is provided at the top of the central shaft of the spiral agitator, the cross spline sleeve is arranged outside the central shaft and connected to the threaded hole by screws, the cross spline is meshed with the key-shaped groove, a rotary joint is also provided at the top of the central shaft, a fixing seat is provided on the top cover and connected to the return pipe, and the return pipe is connected to the movable end of the rotary joint;

[0024] The communicating vessel includes reinforcing ribs; reinforcing ribs are arranged at the bottom of the communicating pipe, a socket groove is arranged on the communicating pipe, a guide plug is arranged at the bottom of the central axis, the guide plug is inserted into the socket groove, a sealing rubber ring is arranged in the socket groove and is arranged outside the guide plug, and the guide plug is communicated with the inner cavity of the central axis.

[0025] A plurality of limit rod groups are evenly distributed from top to bottom in the outer protective shell. The limit rod groups are composed of two pairs of symmetrical limit rods. The two pairs of limit rods are symmetrically arranged on a pair of semi-single cone shells, and limit holes are set on the separation ring corresponding to the limit rods.

[0026] A method for using a single cone spiral dryer with a divided chamber, comprising the steps of preparing for drying, loading a sample, setting parameters, starting the equipment, monitoring the drying process, completing drying, and cleaning the equipment;

[0027] Drying preparation: First, check whether the equipment is in normal working condition, including whether the power supply, transmission system, vacuum pump and other equipment are operating normally. At the same time, clean the operation area and ensure that there is no debris around the equipment;

[0028] Loading samples: Place the material to be dried evenly into the single cone spiral dryer from one side of the top cover manually or by vacuum loading machine and ensure that the hopper is well sealed;

[0029] Setting parameters: according to the product requirements and material level detection, set the appropriate drying temperature, speed, which independent heat exchange chambers are involved in the work and vacuum degree and other parameters;

[0030] Start the equipment: start the reduction drive in sequence to drive the spiral stirrer to rotate, start the heating system, control the corresponding independent heat exchange chamber valve to open, start the drying process, and observe and record the speed, temperature, vacuum degree and other parameters;

[0031] Monitor the drying process: Continuously monitor the parameter changes during the drying process to ensure the normal operation of the equipment. If any abnormality is found, the operation should be stopped immediately;

[0032] Drying completion: Determine whether the drying process is completed based on product requirements or drying curves. If drying is completed, turn off the agitator and heating system, stop the vacuum pump, and wait for the equipment to cool down;

[0033] Cleaning the device: After the device has completely cooled down, clean any residue inside and outside the device to keep it clean.

[0034] Beneficial Effects

[0035] The present invention provides a single cone spiral dryer with a partitioned chamber and a method for using the same. The invention has the following beneficial effects: a single cone spiral dryer with a plurality of partitioned chambers is disclosed, wherein the plurality of partitioned chambers are closely arranged from top to bottom, and the plurality of partitioned independent heat exchange chambers can heat the outer wall of the drying machine casing separately, and cooperate with the bottom central heat exchanger connected to the spiral agitator, so that the inside and outside of the single cone spiral dryer can be heated at the same time, and the drying efficiency is high, and different drying modes can be selected according to the material level, so as to achieve the effect of energy saving, and the invention has the following beneficial effects;

[0036] 1. Multiple symmetrical annular independent heat exchange chambers are arranged from top to bottom between the drying shell and the outer shell of the single-cone spiral dryer, which divides the single-cone spiral dryer into different heating zones according to the height. Different dryers can be selected according to the material level height. The heating of materials that are not full in the cylinder is more concentrated and the efficiency is higher;

[0037] 2. A central heat exchanger is provided at the bottom of the single cone spiral dryer and connected to the independent heat exchange chamber at the bottom. The heating medium is diverted from the independent heat exchange chamber at the bottom, thereby heating the spiral dryer and the spiral agitator, thereby increasing the heat exchange efficiency.

[0038] 3. The spiral agitator is connected to the central heat exchanger with a plug-in structure, which is easy to disassemble and assemble. The spiral agitator can stir the material to make it more evenly dispersed and improve the drying efficiency of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a first stereoscopic structural schematic diagram of a single-cone spiral dryer with a separated chamber and a method of using the present invention.

[0040] Figure 2 This is a second stereoscopic structural schematic diagram of a single-cone spiral dryer with a separated chamber and a method of using the dryer according to the present invention.

[0041] Figure 3 This is a schematic diagram of the main structure of a single-cone spiral dryer with a separated chamber and a method of using the present invention.

[0042] Figure 4 The present invention is a schematic top view of the single-cone spiral dryer with a separated chamber and a method of using the same.

[0043] Figure 5 It is a partial three-dimensional structural schematic diagram of a single-cone spiral dryer with a separated chamber and a method of using the present invention.

[0044] Figure 6 The present invention provides a schematic diagram of the structure of an independent heat exchange chamber of a single-cone spiral dryer with a separated chamber and a method of using the same.

[0045] Figure 7 It is a schematic diagram of a partially exploded three-dimensional structure of a single-cone spiral dryer with a separated chamber and a method of using the present invention.

[0046] Figure 8 It is a schematic cross-sectional three-dimensional structure diagram of a single-cone spiral dryer with a separated chamber and a method of using the present invention.

[0047] Fig. 9 It is a schematic diagram of the main and cross-sectional structure of a single-cone spiral dryer with a separated chamber and a method of using the present invention.

[0048] Fig.10 It is a partially enlarged structural schematic diagram of a single-cone spiral dryer with a separated chamber and a method of using the present invention.

[0049] In the figure: 1. Dryer casing; 2. Top cover; 3. Speed ​​reduction drive; 4. Spiral agitator; 5. Outer casing; 6. Independent heat exchange chamber; 7. Central heater; 8. Heat diverter; 9. Converging guide; 11. Unloading valve; 12. Separating ring; 13. Connecting ring; 14. Heat exchange sleeve ring; 21. Material inlet; 22. Material level detector; 23. Thermometer; 24. Pressure gauge; 25. Ring edge; 26. Fixed seat; 31. Power motor; 32. Speed ​​reducer; 33. Shaft keyway; 34. Transmission shaft key; 35. Rotary joint; 41. Middle shaft; 42. Rotating blade ; 43. Connecting vessel; 51. Tension bolt; 52. Limit hole; 61. Shell; 62. Heat exchange coil; 63. Insert pipe; 64. Hole; 65. Independent heating pipeline; 66. Return pipeline; 71. Diverter pipe; 72. Socket sleeve; 73. Connecting pipe; 81. Main heating pipe; 82. Diverter tee; 83. Three-way control valve; 84. Diverter interface; 91. Converging pipe; 92. Converging buffer cylinder; 93. Converging joint; 94. Return valve; 95. Return pipe; 431. Reinforcement rib; 432. Socket groove; 433. Guide plug; 434. Sealing rubber ring. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0051] See also Figure 1-10 The present invention provides an implementation scheme: in the application process of modern single-cone spiral dryer, the single-cone structure body cooperates with the spiral stirrer 4 to heat and dry the material. During drying, the heating medium is usually introduced into the spiral dryer through the heating inlet at the bottom, and the material is fully mixed under the action of the conical spiral plate. In this process, the heating medium ascends in the coil. However, in this method, during the drying process, as the material ascends, there is not much heat when the upper material contacts the heating medium, so the heat exchange efficiency is reduced. It is necessary to rely on the conical spiral stirring effect to turn the material up and down to improve the uniformity of heat exchange. This will also cause two problems. First, the temperature of the heat exchange medium contacted by the upper material is low, and the temperature of the heat exchange medium entering needs to be increased, resulting in heat waste. Secondly, when the material to be dried is not full, the heating is still carried out according to the full tank material for drying and heating, which leads to excessive use of heating energy and unnecessary material waste.

[0052] Embodiment 1: According to the specification sheet Figure 1 -Attached Figure 4It can be seen that in response to the above problems, the present application discloses a single-cone spiral dryer with a separated chamber, the main structure of which is a drying casing 1. The drying casing 1 is a single-cone structure and is the core of the entire device. A top cover 2 is arranged on the top of the drying casing 1. Various functional components of drying are integrated through the top cover 2, including functions such as feeding, control, temperature and pressure monitoring, and observation, so that the equipment has a higher degree of integration and is convenient for maintenance and replacement. A discharge valve 11 is connected to the bottom of the drying casing 1. The discharge valve 11 can be used to open and close the drying casing 1 for discharging materials. A reduction drive 3 is arranged at the center of the top cover 2. A spiral agitator 4 is connected through the reduction drive 3. The spiral agitator 4 is assembled in the drying casing 1. The reduction drive 3 drives the spiral agitator 4 to work, thereby stirring the material in the drying casing 1, so that the material is more dispersed and more fully contacted with the material through the movement of the material.

[0053] Furthermore, an outer protective shell 5 is coaxially arranged outside the dryer casing 1, and a plurality of limit rod groups are evenly distributed from top to bottom in the outer protective shell 5. The limit rod groups are composed of two pairs of symmetrical limit rods, and the two pairs of limit rods are symmetrically arranged on a pair of semi-single cone shells, respectively. Limit holes 52 are provided on the separation ring 12 corresponding to the limit rods to guide and limit the outer protective shell 5; a heating chamber is provided between the outer protective shell 5 and the dryer casing 1, and the heating chamber is an annular space between the outer protective shell 5 and the dryer casing 1, and further, a plurality of independent heat exchange chambers 6 are evenly distributed from top to bottom in the heating chamber, and the interior of the dryer casing 1 can be heated in sections through the plurality of independent heat exchange chambers 6, so that the interior of the dryer casing 1 is heated more evenly, and which levels of independent heat exchange chambers 6 to use can be determined according to the material height;

[0054] According to the instruction manual Figure 1 -Attached Figure 5 It can be seen that the independent heat exchange chambers 6 are all hollow truncated cone rings, and the independent heat exchange chambers 6 are provided with independent heat supply pipelines 65 and return pipelines 66. Any independent heat exchange chamber 6 can complete the entry and discharge of the heating medium through the independent heat supply pipeline 65 and the return pipeline 66. Then, a plurality of separation rings 12 are evenly arranged outside the dryer casing 1 and are respectively sandwiched between the independent heat exchange chambers 6. The upper and lower sides of the independent heat exchange chambers 6 can be limited and isolated by the separation rings 12, which is convenient for installation and improves the structural strength of the equipment.

[0055] According to the instruction manual Figure 1 -Attached Figure 6 It can be known that the outer casing 5 is composed of a pair of symmetrical semi-single cone shells, and the pair of semi-single cone shells are connected by tension bolts 51. In the specific implementation process, the tension of the tension bolts 51 can be used to pull the pair of semi-single cone shells to form a fixed effect, and the internal multiple independent heat exchange chambers 6 are wrapped and fixed, which plays the role of heat insulation and assembly;

[0056] According to the instruction manual Figure 1 -Attached Figure 5 And attached Figure 7 It can be seen that the above-mentioned independent heat exchange chamber 6 is composed of two symmetrical semi-annular cavities, which are symmetrically arranged and connected to each other through a socket structure. The independent heat exchange chamber 6 is composed of two semi-annular cavities. In this way, the independent heat exchange chamber 6 is symmetrically connected during installation, which is convenient for disassembly and assembly of the independent heat exchange chamber 6, and is convenient for maintenance and installation;

[0057] According to the instruction manual Figure 1 -Attached Figure 4 And attached Figure 8 -Attached Fig. 9 It can be seen that the central heater 7 is provided on the bottommost independent heat exchange chamber 6 of the above-mentioned plurality of independent heat exchange chambers, and the central heater 7 is connected to the spiral stirrer 4. The central heater 7 is used to heat the spiral stirrer 4. The heating medium is diverted from the bottommost independent heat exchange chamber 6 through the central heater 7 and is passed into the spiral stirrer 4 by the central heater 7, so as to heat the spiral stirrer 4, so that the spiral stirrer 4 is in contact with the material, so as to achieve full contact with the material for heat exchange, and to achieve drying of the material inside.

[0058] According to the instruction manual Fig.10 It can be seen that one side of the above-mentioned several independent heating pipelines 65 is connected to a heating diverter 8, and the outside of the several return pipelines 66 is connected to a converging flow guide 9. The heating medium can be diverted through the heating diverter 8 and supplied to the independent heat exchange chambers 6 respectively through the independent heating pipelines 65. The heating medium that has completed heat exchange from different independent heat exchange chambers 6 is respectively converged to the converging flow guide 9 through the several return pipelines 66, and the circulation is completed through the converging flow guide 9, and secondary heating is performed to improve the recycling rate of the heating medium.

[0059] According to the instruction manual Figure 1 -Attached Figure 4 It can be seen that the top cover 2 is provided with a vacuum interface, a material input port 21, a material level detector 22, a thermometer 23, a pressure gauge 24 and other components, which are respectively used for vacuuming, feeding, material level detection, temperature monitoring and pressure monitoring inside the dryer, and other operations. The top cover 2 is a partial spherical shell. The top cover 2 adopts a partial spherical shell structure with high structural strength and simple production. A ring edge 25 is protrudingly provided on the outer edge of the top cover 2, and a connecting ring 13 is provided on the top end of the corresponding dryer shell 1. The ring edge 25 and the connecting ring 13 are connected to each other by a plurality of tension bolts 51, which facilitates the disassembly and assembly of the top cover 2.

[0060] According to the instruction manual Figure 1 -Attached Figure 4 And attached Figure 8 -Attached Fig. 9 It can be seen that the above-mentioned reduction drive 3 is composed of a power motor 31 and a reducer 32. The reducer 32 adopts a gear box structure. The torque of the power motor 31 is amplified by the reducer 32, and a certain rotation speed is guaranteed. The shaft keyway 33 set at the output end of the reducer 32 cooperates with the transmission shaft key 34 of the central shaft 41 of the spiral agitator 4 to realize power transmission, so that the spiral agitator 4 rotates under the drive of the reducer 32, thereby completing the stirring of the material.

[0061] According to the instruction manual Figure 1 -Attached Figure 5 It can be seen that the independent heat exchange chamber 6 includes a pair of symmetrical casings 61 with a semi-annular cavity structure, and a heat exchange coil 62 is arranged in the pair of symmetrical casings 61. A plurality of matching plugs 63 and a plurality of sleeve holes 64 are arranged at symmetrical positions on both sides of the heat exchange coil 62, and the two ends of the heat exchange coil 62 are respectively connected to the independent heating pipeline 65 and the return pipeline 66. In the specific implementation process, the heat exchange coil 62 is installed on one side of the casing 61 close to the dryer casing 1, and the two ends of the heat exchange coil 62 are respectively connected to the heating device through the independent heating management and the return pipeline 66. Since the casing 61 is a semi-annular structure, in order to enable the heating medium to circulate completely in the independent heat exchange chamber 6, A plug-in tube 63 and a sleeve hole 64 with a plug-in structure are symmetrically arranged at the positions of the sleeve shell 61, and the plug-in tube 63 is inserted into the sleeve hole 64, and then a sealing ring is arranged at the head end of the plug-in tube 63, and a sealing ring groove is arranged in the sleeve hole 64, and the sealing ring is embedded in the sealing ring groove. When a pair of sleeve shells 61 symmetrically form a complete annular heating cavity, the sealing performance of the connection between the plug-in tube 63 and the sleeve hole 64 is improved by utilizing the effects of the sealing ring and the sealing ring groove, so as to avoid leakage of the heating medium; and then a plurality of heat exchange grooves are evenly distributed on the inner wall surface of the above-mentioned sleeve shell 61, and a plurality of heat exchange sleeve rings 14 corresponding to the plurality of heat exchange grooves are arranged on the dryer shell 1, so as to increase the heat exchange area between the heating medium and one side of the dryer shell 1, and improve the heat exchange efficiency.

[0062] According to the instruction manual Figure 1 -Attached Figure 4 And attached Fig.10 It can be seen that the heat diverter 8 comprises a main heat supply pipe 81, on which a plurality of diverting tees 82 are evenly arranged, on which a plurality of diverting tees 82 are mounted a plurality of three-way control valves 83, and on one side of the plurality of diverting tees 82 a plurality of diverting interfaces 84 are arranged, and the plurality of diverting interfaces 84 are respectively connected to a plurality of independent heat supply pipelines 65;

[0063] In the specific implementation process, several diversion tees 82 on the main heating pipe 81 play a diversion role. Under the action of several diversion tees 82, the connectivity of the main heating pipe 81 can be guaranteed and the heat can be diverted to the independent heating pipeline 65, so as to exchange heat for the independent heat exchange chamber 6. The switch of the heat exchange state is controlled by a three-way control valve 83. The independent heating pipeline 65 and the diversion interface 84 are connected by threads, and the connection is quick and convenient.

[0064] According to the instruction manual Figure 1 -Attached Figure 4 And attached Fig.10 It can be seen that the above-mentioned converging guide device 9 includes a converging pipe 91, which is arranged on one side of the drying machine housing 1, and a converging buffer cylinder 92 is arranged on the top cover 2, and a converging pipe is connected to one side of the converging buffer cylinder 92, and the converging buffer cylinder 92 is connected to the converging pipe 91, and a plurality of converging joints 93 are evenly arranged on the converging pipe 91, and the plurality of converging joints 93 are connected to a plurality of return pipes 66, and a plurality of return valves 94 are arranged on the plurality of converging joints 93;

[0065] In the specific implementation process, the confluence guide 9 uses the confluence pipe 91 as the main pipeline to connect several return pipes 66 through several confluence joints 93. After the heating medium through the heat exchange cycle enters the confluence joint 93 from one side of the return pipe 66, it enters the confluence buffer cylinder 92 from the confluence pipe 91 for buffering. The confluence buffer cylinder 92 is arranged on the top cover 2 to ensure the upward effect of the heat exchange medium. At the same time, the return valve 94 on the confluence joint 93 also adopts a three-way valve structure. When in use, the heat exchange method of diverting the feed of the independent heat exchange chamber 6 can be selected according to the situation, or the three-way control valve 83 can be used in conjunction with the return valve 94 to form a series flow path, so that the multi-stage independent heat exchange chambers 6 can be connected in series to achieve the effect of series flow heat exchange, which is more flexible to use.

[0066] According to the instruction manual Figure 1 -Attached Figure 4 And attached Figure 8 -Attached Fig. 9 It can be seen that the central heater 7 includes a shunt pipe 71. The lowermost independent heat exchange chamber 6 is provided with a shunt pipe 71 which is connected to the heat exchange coil 62. The bottom end of the drying machine housing 1 is provided with a socket sleeve 72. The end of the shunt pipe 71 is inserted into the socket sleeve 72. The socket sleeve 72 extends a connecting pipe 73 into the drying machine housing 1. The connecting pipe 73 is connected to the bottom of the spiral stirrer 4.

[0067] In the specific implementation process, the heating medium is introduced into the heat exchange coil 62 through the shunt pipe 71, so that the socket sleeve 72 on the dryer shell 1 is plugged into the shunt pipe 71, wherein the socket sleeve 72 is assembled on one side of the dryer shell 1, and the shunt pipe 71 is inserted into the socket sleeve 72. After the heating medium enters the heat exchange coil 62, it is shunted through the shunt pipe 71. After entering the connecting pipe 73 from the socket sleeve 72, the heating medium is pumped into the spiral agitator 4 through the connecting pipe 73 to heat the spiral agitator 4. Then, the top end of the spiral agitator 4 is connected to the converging guide 9 to reflux and collect the heating medium that has completed the heat exchange.

[0068] According to the instruction manual Figure 1-10 It can be seen that the above-mentioned spiral stirrer 4 is composed of a central shaft 41 and a rotating blade 42 wrapped on the central shaft 41, a transmission shaft key 34 is arranged at the top of the central shaft 41, a connecting vessel 43 is arranged at the bottom of the central shaft 41, the connecting vessel 43 is connected with the connecting pipe 73, the cavity of the central shaft 41 extends from the connecting vessel 43 to the top of the transmission shaft key 34, and the cavity of the central shaft 41 is connected with the inner cavity of the rotating blade 42;

[0069] The transmission shaft key 34 at the top of the central shaft 41 is linked with the reducer 32 through transmission action, so as to drive the central shaft 41 to rotate and drive the rotating blade 42 to rotate, and the top of the cavity of the central shaft 41 is provided with a return pipe 95 connected to the converging buffer cylinder 92, and the connecting vessel 43 at the bottom of the central shaft 41 is connected with the connecting pipe 73, so as to allow the heat exchange medium to pass through, and the cavity of the central shaft 41 is connected with the cavity in the rotating blade 42, so that the heat exchange medium flows into the cavity, thereby;

[0070] According to the instruction manual Fig. 9 It can be seen that the transmission shaft key 34 includes a cross spline; the key groove is a cross shaft key structure, a threaded hole is provided at the top of the central shaft 41 of the spiral stirrer 4, the cross spline sleeve is arranged outside the central shaft 41 and is connected to the threaded hole by screws, the cross spline is engaged with the key groove, a rotary joint 35 is also provided at the top of the central shaft 41, a fixing seat 26 is provided on the top cover 2 and is connected to the return pipe 95, and the return pipe 95 is connected to the movable end of the rotary joint 35;

[0071] In the specific implementation process, the key groove is meshed with the cross spline disposed on the outer surface of the central axis 41 of the spiral stirrer 4 to form a meshing effect, so that the spiral stirrer 4 drives the rotary stirrer to rotate at the output end of the reducer 32, thereby mixing the material. At the same time, the existence of the rotary joint 35 allows the return pipe 95 to remain stationary, and the rotary joint 35 and the central axis 41 continue to rotate;

[0072] According to the instruction manual Fig.10It can be seen that the communicating vessel 43 includes a reinforcing rib 431; the bottom of the communicating pipe 73 is provided with a reinforcing rib 431, the communicating pipe 73 is provided with a socket groove 432, the bottom of the central axis 41 is provided with a guide plug 433, the guide plug 433 is inserted into the socket groove 432, the socket groove 432 is provided with a sealing rubber ring 434 sleeved outside the guide plug 433, and the guide plug 433 is communicated with the inner cavity of the central axis 41;

[0073] In the specific implementation process, the connecting pipe 73 is fixed by the reinforcing rib 431 to enhance the structural strength of the connecting pipe 73, and then the connecting pipe 73 is passed into the drying machine casing 1, and the socket groove 432 at the end of the connecting pipe 73 supports the central axis 41, and because the guide block 433 at the bottom end of the central axis 41 matches the socket groove 432, the bottom end of the central axis 41 is stabilized and limited. During the rotation of the central axis 41, the sealing connection can also be achieved through the limiting of the guide block 433 and the sealing rubber ring 434 in the socket groove 432, so that the heating medium can pass into the diversion pipe 71 along the connecting pipe 73.

[0074] Example 2: A method for using a single cone spiral dryer with a divided chamber, comprising the steps of preparing for drying, loading a sample, setting parameters, starting the equipment, monitoring the drying process, completing the drying, and cleaning the equipment;

[0075] Drying preparation: First, check whether the equipment is in normal working condition, including whether the power supply, transmission system, vacuum pump and other equipment are operating normally. At the same time, clean the operation area and ensure that there is no debris around the equipment;

[0076] Loading samples: Place the material to be dried evenly into the single cone spiral dryer from one side of the top cover manually or by vacuum loading machine and ensure that the hopper is well sealed;

[0077] Setting parameters: according to the product requirements and material level detection, set the appropriate drying temperature, speed, which independent heat exchange chambers are involved in the work and vacuum degree and other parameters;

[0078] Start the equipment: start the reduction drive in sequence to drive the spiral stirrer to rotate, start the heating system, control the corresponding independent heat exchange chamber valve to open, start the drying process, and observe and record the speed, temperature, vacuum degree and other parameters;

[0079] Monitor the drying process: Continuously monitor the parameter changes during the drying process to ensure the normal operation of the equipment. If any abnormality is found, the operation should be stopped immediately;

[0080] Drying completion: Determine whether the drying process is completed based on product requirements or drying curves. If drying is completed, turn off the agitator and heating system, stop the vacuum pump, and wait for the equipment to cool down;

[0081] Cleaning the device: After the device has completely cooled down, clean any residue inside and outside the device to keep it clean.

[0082] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A single-cone spiral dryer with a separated chamber, comprising a drying casing (1), wherein the drying casing (1) is a single-cone structure, a top cover (2) is arranged on the top of the drying casing (1), and a discharge valve (11) is connected to the bottom of the drying casing (1), characterized in that: A speed reduction driver (3) is disposed at the center of the top cover (2), a spiral stirrer (4) is connected to the speed reduction driver (3), and the spiral stirrer (4) is assembled in the drying machine casing (1); An outer protective shell (5) is coaxially arranged outside the drying casing (1); a heating chamber is provided between the outer protective shell (5) and the drying casing (1); and a plurality of independent heat exchange chambers (6) are evenly distributed from top to bottom in the heating chamber; The plurality of independent heat exchange chambers (6) are all hollow truncated cone-shaped rings, a plurality of independent heat supply pipes (65) and a plurality of return pipes (66) are arranged on the plurality of independent heat exchange chambers (6), and a plurality of separation rings (12) are evenly arranged on the outside of the dryer housing (1) and are respectively sandwiched between the plurality of independent heat exchange chambers (6); The outer casing (5) is composed of a pair of symmetrical semi-single cone shells, and the pair of semi-single cone shells are connected in tension by tension bolts (51); The independent heat exchange chamber (6) is composed of two symmetrical semi-annular cavities, which are symmetrically arranged and interconnected through a socket structure; A central heater (7) is arranged on the lowermost layer of the independent heat exchange chambers (6), and the central heater (7) is connected to the spiral stirrer (4). The central heater (7) is used to provide heat for the spiral stirrer (4); One side of the plurality of independent heat supply pipelines (65) is connected to a heat supply diverter (8), and the outside of the plurality of return pipelines (66) is connected to a converging flow guide (9).

2. A single cone spiral dryer with a separated chamber according to claim 1, characterized in that: The top cover (2) is provided with a vacuum extraction interface, a material input port (21) and a material level detector (22); the top cover (2) is a partially spherical shell; a ring edge (25) is protruding from the outer edge of the top cover (2); a connecting ring (13) is provided at the top end of the corresponding drying machine shell (1); the ring edge (25) and the connecting ring (13) are connected to each other by a plurality of tension bolts (51).

3. A single cone spiral dryer with a separated chamber according to claim 2, characterized in that: The reduction drive (3) is composed of a power motor (31) and a reducer (32); an output end of the reducer (32) is provided with a shaft keyway (33); and a central shaft (41) of the spiral stirrer (4) cooperates with the shaft keyway (33) via a transmission shaft key (34).

4. A single cone spiral dryer with a separated chamber according to claim 3, characterized in that: The independent heat exchange chamber (6) comprises a pair of symmetrical casings (61) of semi-annular cavity structure, a heat exchange coil (62) is arranged in the pair of symmetrical casings (61), a plurality of matching inserts (63) are arranged at symmetrical positions on both sides of the heat exchange coil (62) and are connected to a plurality of sleeve holes (64) through insert sleeves, and both ends of the heat exchange coil (62) are respectively connected to an independent heating pipeline (65) and a return pipeline (66); The inner wall surface of the casing (61) is evenly distributed with a plurality of heat exchange grooves, and the dryer casing (1) is provided with a plurality of heat exchange rings (14) corresponding to the plurality of heat exchange grooves.

5. The single cone spiral dryer with a separated chamber according to claim 4, characterized in that: The heat supply diverter (8) comprises a main heat supply pipe (81), a plurality of diverter tees (82) are evenly arranged on the main heat supply pipe (81), a plurality of the diverter tees (82) are equipped with a plurality of three-way control valves (83), a plurality of diverter interfaces (84) are arranged on one side of the plurality of the diverter tees (82), and the plurality of the diverter interfaces (84) are respectively connected to a plurality of independent heat supply pipelines (65).

6. The single cone spiral dryer with a separated chamber according to claim 5, characterized in that: The converging flow guide (9) comprises a converging pipe (91), the converging pipe (91) being arranged on one side of the drying machine casing (1), the top cover (2) being provided with a converging buffer cylinder (92), one side of the converging buffer cylinder (92) being connected to a converging connecting pipe, the converging buffer cylinder (92) being in communication with the converging pipe (91), a plurality of converging joints (93) being evenly arranged on the converging pipe (91), a plurality of the converging joints (93) being in communication with a plurality of return pipes (66), and a plurality of return valves (94) being provided on the plurality of the converging joints (93).

7. A single cone spiral dryer with a separated chamber according to claim 6, characterized in that: The central heater (7) comprises a shunt pipe (71), and the lowermost independent cavity is provided with a shunt pipe (71) which is connected to the heat exchange coil (62). The bottom end of the dryer casing (1) is provided with a socket sleeve (72), and the end of the shunt pipe (71) is inserted into the socket sleeve (72). The socket sleeve (72) extends a connecting pipe (73) into the dryer casing (1), and the connecting pipe (73) is connected to the bottom of the spiral agitator (4).

8. The single cone spiral dryer with a separated chamber according to claim 7, characterized in that: The spiral agitator (4) is composed of a central shaft (41) and a rotating blade (42) wrapped around the central shaft (41); a transmission shaft key (34) is arranged at the top end of the central shaft (41); a connecting vessel (43) is arranged at the bottom end of the central shaft (41); the connecting vessel (43) is connected to a connecting pipe (73); the cavity of the central shaft (41) extends from the connecting vessel (43) to the top end of the transmission shaft key (34); and a return pipe (95) is arranged at the top end of the cavity of the central shaft (41) to connect to a confluence buffer cylinder (92).

9. The single cone spiral dryer with a separated chamber according to claim 8, characterized in that: A plurality of limit rod groups are evenly distributed from top to bottom in the outer protective shell (5), the limit rod groups are composed of two pairs of symmetrical limit rods, the two pairs of limit rods are symmetrically arranged on a pair of semi-single cone shells, and the separation ring (12) is provided with limit holes (52) corresponding to the limit rods.

10. A method for using a single-cone spiral dryer with a partitioned chamber, applied to the single-cone spiral dryer with a partitioned chamber as claimed in any one of claims 1 to 9, characterized in that: The steps include: drying preparation, sample loading, parameter setting, equipment startup, monitoring drying process, drying completion, and equipment cleaning; Drying preparation: First, check whether the equipment is in normal working condition, including whether the power supply, transmission system, vacuum pump and other equipment are operating normally. At the same time, clean the operation area and ensure that there is no debris around the equipment; Loading samples: Place the material to be dried evenly into the single cone spiral dryer from one side of the top cover manually or by vacuum loading machine and ensure that the hopper is well sealed; Setting parameters: according to the product requirements and material level detection, set the appropriate drying temperature, speed, which independent heat exchange chambers are involved in the work and vacuum degree and other parameters; Start the equipment: start the reduction drive in sequence to drive the spiral stirrer to rotate, start the heating system, control the corresponding independent heat exchange chamber valve to open, start the drying process, and observe and record the speed, temperature, vacuum degree and other parameters; Monitor the drying process: Continuously monitor the parameter changes during the drying process to ensure the normal operation of the equipment. If any abnormality is found, the operation should be stopped immediately; Drying completion: Determine whether the drying process is completed based on product requirements or drying curves. If drying is completed, turn off the agitator and heating system, stop the vacuum pump, and wait for the equipment to cool down; Cleaning the device: After the device has completely cooled down, clean any residue inside and outside the device to keep it clean.

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