CN214582216U - Quartz sand drying device - Google Patents
Quartz sand drying device Download PDFInfo
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- CN214582216U CN214582216U CN202120793235.6U CN202120793235U CN214582216U CN 214582216 U CN214582216 U CN 214582216U CN 202120793235 U CN202120793235 U CN 202120793235U CN 214582216 U CN214582216 U CN 214582216U
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Abstract
The utility model provides a quartz sand drying device, which comprises a drying kettle, an electric heater, a vacuum tank, a vacuum pump, a dry compressed air inlet, a master control cabinet, a machine body, a transmission device and a filter; the drying kettle is rotatably arranged on the machine body and the transmission device, and the top and the bottom of the drying kettle are respectively connected with an upper flange cover and a lower flange cover through bolts; the upper flange cover is fixedly provided with a vacuumizing pipe and an electric heater, and the lower flange cover is fixedly provided with a water outlet; the bottom of the drying kettle is provided with a glass fiber filter cylinder; a vacuum heat insulation layer is arranged on the outer side of the drying kettle; the vacuum pumping pipe is connected with the vacuum tank and the vacuum pump through pipelines; the dry compressed air inlet is arranged on a pipeline between the vacuum pumping pipe and the vacuum tank, and the filter is arranged between the vacuum tank and the vacuum pump; the master control cabinet is respectively connected with the motor, the electric heater, the vacuum tank and the vacuum pump on the machine body and the transmission device through leads. The structure is simplified, the heat supply is direct, and the energy conservation and the environmental protection are realized.
Description
Technical Field
The utility model belongs to the technical field of drying device, especially, relate to a modified quartz sand drying device.
Background
In the production process of quartz sand materials, the materials need to be dried. The purpose of the quartz sand drying device is to evaporate and overflow water in the quartz sand by heating and the like so as to obtain dried quartz sand. The quartz sand dryer in the prior art is a drum dryer, and although the treatment capacity is large, the dried quartz sand is not uniform, the drying energy consumption is high, and the cost is high.
The Chinese utility model with application number of 201620572479.0 discloses a novel quartz sand drying device, which comprises a master control cabinet, a dry compressed air outlet, a vacuum tank, a vacuum pump, a drying kettle, a glass fiber filter cylinder, a feed inlet, a discharge port, an electric heater, a high-level oil tank, a machine body, a transmission device and a filter; the vacuum extractor is additionally arranged on the basis of the traditional drying equipment, so that the drying efficiency is greatly improved, the moisture removal rate in the quartz sand can reach 99.9996%, the drying effect is good, and the quality of finished products is high. However, the vacuumizing tube is sleeved in the rotating shaft of the frame, so that the installation and debugging process is inconvenient, and once leakage occurs, the disassembly and maintenance work is difficult; and it only heats the cauldron body shell of dry cauldron, then gives the interior material of cauldron with heat transfer through heat-conducting mode, and heating efficiency is lower, and the energy consumption is great.
The heat pipe technology is a heat transfer element called a heat pipe invented by G.M.Grover of LosAlamos national laboratory in 1963, and the heat transfer element makes full use of the heat conduction principle and the rapid heat transfer property of a phase change medium to quickly transfer the heat of a heating object out of a heat source through the heat pipe. Commonly used heat pipes are generally composed of three parts: the main body is a closed metal tube (tube shell), and a small amount of working medium (working liquid) and a capillary structure (tube core) are arranged in an internal cavity. When one end of the heat pipe is heated, the liquid in the capillary tube is quickly vaporized, the vapor flows to the other end under the power of heat diffusion, and is condensed at the cold end to release heat, and the liquid flows back to the evaporation end along the porous material by the capillary action, so that the circulation is not stopped until the temperatures of the two ends of the heat pipe are equal.
In view of this, the inventor makes further improvement to current quartz sand drying device for the evacuation connected mode is more convenient, and the heating mode is more direct, and heat transfer rate is faster, further improves whole drying efficiency.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a modified quartz sand drying device to solve the installation and debugging difficulty scheduling problem that current quartz sand material heat supply is not direct, the evacuation pipe connection complicacy leads to.
A quartz sand drying device comprises a drying kettle, an electric heater, a vacuum tank, a vacuum pump, a dry compressed air inlet, a master control cabinet, a machine body, a transmission device and a filter; the drying kettle is rotatably arranged on the machine body and the transmission device, and the top and the bottom of the drying kettle are respectively connected with an upper flange cover and a lower flange cover through bolts; the upper flange cover is fixedly provided with a vacuumizing pipe and an electric heater, and the electric heater extends into the drying kettle; the bottom of the drying kettle is provided with a plurality of glass fiber filter cylinders; a water outlet is fixedly arranged on the lower flange cover; the vacuum pumping pipe is connected with the vacuum tank through a pipeline, wherein the part close to the drying kettle is connected by a hose; the dry compressed air inlet is arranged on a pipeline between the vacuum-pumping pipe and the vacuum tank and used for supplementing dry compressed air into the kettle to balance pressure; the vacuum tank with the vacuum pump passes through the pipe connection, the vacuum tank with be equipped with one on the pipeline between the vacuum pump the filter prevents that impurity from getting into the vacuum pump, influences its life.
The master control cabinet is respectively connected with the motor, the electric heater, the vacuum tank and the vacuum pump on the machine body and the transmission device through leads, and the integrated control is adopted, so that the operation is simple and convenient.
The drying kettle is set to rotate forwards and backwards at 180 degrees, and the connection between the vacuum-pumping tube and the kettle body cannot be influenced by the rotation state.
The outer side of the drying kettle is provided with a vacuum heat insulation layer, the vacuum heat insulation layer is that the interlayer is filled with pearl sand, and the interlayer is vacuumized, so that the heat insulation performance of the interlayer is further improved.
Furthermore, a plurality of heat pipe auxiliary heaters are arranged on the upper portion and the lower portion of the inner wall of the drying kettle in the horizontal direction around the electric heater, each heat pipe auxiliary heater is a metal pipe with two closed ends, a phase change medium is filled in each heat pipe auxiliary heater, the inner pipe wall is of a capillary structure, and one end, far away from the electric heater, of each heat pipe auxiliary heater is welded on the inner wall of the drying kettle.
Further, be provided with the sensor sleeve pipe that extends to inside the dry cauldron on the dry cauldron upper flange lid, sensor sleeve pipe intussuseption has temperature sensor, temperature sensor passes through the wire and is connected with total accuse cabinet.
Furthermore, the master control cabinet is connected with an electromagnetic stop valve at the inlet of the dry compressed air through a lead, and the pressure in the drying kettle is adjusted by controlling the opening and closing of the electromagnetic stop valve, so that the safety of the equipment is ensured.
Furthermore, a stop valve and a plurality of pressure gauges are arranged on the connecting pipelines on the two sides of the vacuum tank, and the pressure value of the pipeline of the equipment is visually displayed.
Furthermore, the part of the vacuumizing pipe extending into the drying kettle extends to the middle of the drying kettle, the tail of the vacuumizing pipe is bent by 90 degrees, a filter screen is fixed at the tail of the vacuumizing pipe, and the aperture of the filter screen is 100-200 meshes.
The utility model has the advantages and positive effects that:
compared with the prior art, the utility model discloses an place the dry cauldron in with electric heater in for the heat supply is more direct, and combines up-to-date heat pipe heat transfer technique, transmits the heat that electric heater produced to the dry cauldron inner wall rapidly, guarantees that whole space temperature distributes evenly, has also effectively reduced the energy consumption when improving heat transfer efficiency.
The utility model discloses well drying kettle sets up to 180 positive and negative rotations to install vacuum tube on the upper flange, install vacuum tube in the transmission pivot with traditional and compare, it is more convenient at in-process operations such as installation, debugging, maintenance.
Furthermore, the utility model discloses well heat preservation of dry cauldron peripheral hardware, inside packing pearl sand and carry out evacuation processing, compare with traditional heat preservation rock wool, its thermal insulation performance is better, has effectively reduced heat dissipation loss, and is energy-concerving and environment-protective more.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the top structure of the drying kettle of the present invention.
Fig. 3 is a schematic view of the top view structure of the electric heater and the heat pipe auxiliary heater of the present invention.
In the figure:
1-drying the kettle; 2-machine body and transmission device; 3, mounting a flange cover; 4-lower flange cover; 5-a water outlet; 6-a glass fiber filter cartridge; 7-sensor sleeve; 8-an electric heater; 9-vacuumizing tube; 10-vacuum heat insulating layer; 11-a filter screen; 12-a master control cabinet; 13-a dry compressed air inlet; 14-a vacuum tank; 15-a filter; 16-a vacuum pump; 17-Heat pipe auxiliary Heater.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-2, the utility model provides a quartz sand drying device, which comprises a drying kettle 1, an electric heater 8, a vacuum tank 14, a vacuum pump 16, a dry compressed air inlet 13, a general control cabinet 12, a machine body, a transmission device 2 and a filter 15;
the drying kettle 1 is arranged on the machine body and the transmission device 2, can realize 180-degree forward and reverse rotation, and is connected with an upper flange cover 3 and a lower flange cover 4 at the top and the bottom through bolts respectively; the upper flange cover 3 is fixedly provided with a vacuumizing tube 9, an electric heater 8 and a sensor sleeve 7, the vacuumizing tube 9 extends to the middle part of the drying kettle, the tail part of the vacuumizing tube is bent by 90 degrees, a filter screen 11 is fixedly arranged at the tail part, and the aperture of the filter screen 11 is 100 meshes; the electric heater 8 extends into the drying kettle; a temperature sensor is inserted in the sensor sleeve 7; the bottom of the drying kettle is fixedly provided with a plurality of glass fiber filter cylinders 6; the lower flange cover 4 is fixedly provided with a water outlet 5; a vacuum heat insulation layer 10 is arranged on the outer side of the drying kettle;
the vacuum tube 9 is connected with the vacuum tank 14 through a pipeline, wherein the part close to the drying kettle 1 is connected through a hose; the dry compressed air inlet 13 is arranged on a pipeline between the vacuum tube 9 and the vacuum tank 14; an electromagnetic stop valve is arranged at the dry compressed air inlet 13; the vacuum tank 14 is connected with the vacuum pump 16 through a pipeline, and the filter 15 is arranged on the pipeline between the vacuum tank 14 and the vacuum pump 16; a stop valve and a plurality of pressure gauges are arranged on the connecting pipelines on the two sides of the vacuum tank 14;
the master control cabinet 12 is respectively connected with a motor, an electric heater 8, a temperature sensor, a vacuum tank 14, a vacuum pump 16 and an electromagnetic stop valve at a dry compressed air inlet 13 on the machine body and the transmission device through leads;
further, as shown in fig. 3, a plurality of heat pipe auxiliary heaters 17 are horizontally arranged on the upper and lower portions of the inner wall of the drying kettle around the electric heater 8, the heat pipe auxiliary heaters 17 are metal pipes with two closed ends, a phase change medium is filled in the metal pipes, the inner pipe wall is of a capillary structure, and one end of the inner pipe wall, which is far away from the electric heater, is welded on the inner wall of the drying kettle.
The working process of the utility model is as follows:
firstly, opening a water outlet 5 on an upper flange cover 3 and a lower flange cover 4 of a drying kettle 1, adding a quartz sand wet material from the top of the drying kettle, and discharging most of free water out of the kettle from the water outlet 5 through a glass fiber filter cartridge at the bottom of the drying kettle; then fastening the upper flange cover 3 on the drying kettle through bolts and closing the water outlet 5; the stop valves at two sides of the vacuum tank 14 are opened, the vacuum pump 16 is started to vacuumize the system, then the power supply of the transmission device motor and the electric heater 8 is connected to heat the materials in the drying kettle 1, the heat is quickly transferred to the whole inner space through the heat pipe auxiliary heater 17 arranged in the kettle, the materials are turned up and down in the drying kettle 1, moisture in the materials is quickly evaporated after being heated, and the evaporated steam is pumped by the vacuum pump 16 and is exhausted out of the system through the vacuum-pumping pipe 9 and the corresponding pipeline. After the materials are dried, the power supply of the electric heater 8 and the motor is turned off, and the drying kettle 1 is turned to the upper flange cover 3 downwards by clicking the button; and closing the stop valves at the two sides of the vacuum tank 14, stopping the vacuum pump 16, opening the electromagnetic stop valve, and closing the electromagnetic stop valve after dry compressed air is introduced into the kettle to reach a preset pressure. The upper flange cover 3 is opened, and the dried quartz sand material is discharged.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. A quartz sand drying device comprises a drying kettle, an electric heater, a vacuum tank, a vacuum pump, a dry compressed air inlet, a master control cabinet, a machine body, a transmission device and a filter; the drying kettle is rotatably arranged on the machine body and the transmission device, and the top and the bottom of the drying kettle are respectively connected with an upper flange cover and a lower flange cover through bolts; the filter is arranged on a pipeline between the vacuum tank and the vacuum pump; the main control cabinet is respectively connected with the machine body and the motor, the electric heater, the vacuum tank and the vacuum pump on the transmission device through leads; the method is characterized in that: the drying kettle is arranged to rotate forwards and backwards at 180 degrees, the upper flange cover is fixedly provided with a vacuumizing pipe and an electric heater, and the electric heater extends into the drying kettle; a water outlet is fixedly arranged on the lower flange cover; the bottom of the drying kettle is provided with a plurality of glass fiber filter cylinders; a vacuum heat insulation layer is arranged on the outer side of the drying kettle; the vacuum pumping pipe is connected with the vacuum tank and the vacuum pump through pipelines, wherein the part close to the drying kettle is connected through a hose; the dry compressed air inlet is arranged on a pipeline between the vacuum-pumping pipe and the vacuum tank.
2. The quartz sand drying apparatus according to claim 1, wherein: the upper part and the lower part of the inner wall of the drying kettle are provided with a plurality of heat pipe auxiliary heaters along the horizontal direction around the electric heater, the heat pipe auxiliary heaters are metal pipes with two closed ends, phase change media are filled in the heat pipe auxiliary heaters, the inner pipe wall is of a capillary structure, and one end of the inner pipe wall, far away from the electric heater, is welded on the inner wall of the drying kettle.
3. The quartz sand drying apparatus according to claim 1, wherein: the vacuum-pumping pipe extends into the drying kettle, the part of the vacuum-pumping pipe extending into the drying kettle extends to the middle of the drying kettle, the tail of the vacuum-pumping pipe is bent by 90 degrees, a filter screen is fixed at the tail of the vacuum-pumping pipe, and the aperture of the filter screen is 100-200 meshes.
4. The quartz sand drying apparatus according to claim 1, wherein: be provided with the sensor sleeve that extends to inside dry cauldron on the dry cauldron flange cover, sensor sleeve intussuseption has temperature sensor, temperature sensor passes through the wire and is connected with total switch board.
5. The quartz sand drying apparatus according to claim 1, wherein: and an electromagnetic stop valve is arranged at the inlet of the dry compressed air and is connected with the master control cabinet through a lead.
6. The silica sand drying apparatus according to any one of claims 1 to 5, wherein: and a stop valve and a plurality of pressure gauges are arranged on the connecting pipelines at the two sides of the vacuum tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120793235.6U CN214582216U (en) | 2021-04-16 | 2021-04-16 | Quartz sand drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120793235.6U CN214582216U (en) | 2021-04-16 | 2021-04-16 | Quartz sand drying device |
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| Publication Number | Publication Date |
|---|---|
| CN214582216U true CN214582216U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120793235.6U Active CN214582216U (en) | 2021-04-16 | 2021-04-16 | Quartz sand drying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200319A (en) * | 2022-07-04 | 2022-10-18 | 宁波爱发科真空技术有限公司 | Vacuum pumping set of capillary pipeline in medical refrigerator and control method thereof |
-
2021
- 2021-04-16 CN CN202120793235.6U patent/CN214582216U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200319A (en) * | 2022-07-04 | 2022-10-18 | 宁波爱发科真空技术有限公司 | Vacuum pumping set of capillary pipeline in medical refrigerator and control method thereof |
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