CN112696910A - Tunnel type multifunctional drying production equipment for air energy high-temperature heat pump - Google Patents
Tunnel type multifunctional drying production equipment for air energy high-temperature heat pump Download PDFInfo
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- CN112696910A CN112696910A CN202011618964.4A CN202011618964A CN112696910A CN 112696910 A CN112696910 A CN 112696910A CN 202011618964 A CN202011618964 A CN 202011618964A CN 112696910 A CN112696910 A CN 112696910A
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Abstract
The invention relates to the field of drying devices, in particular to a tunnel type multifunctional drying production device of an air energy high-temperature heat pump, which is provided with a rectangular hollow drying box, wherein a feed inlet and a discharge outlet are respectively arranged at two ends of a pipeline, a conveyor belt is arranged in the pipeline, a heat pump heating main machine is arranged along the conveyor belt, the heat pump heating main machine is connected with a hot air exchanger through a heat supply pipeline, a cooling pipeline is connected between the heat pump heating main machine and the hot air exchanger, and a fan is fixedly connected with the hot air, a moisture-removing return air fan is arranged above the conveyor belt and connected with a return air duct, the opening of the return air duct penetrates through the outer wall of the drying box, the outer wall of the return air duct is hermetically connected with the penetrating part of the drying box, the material is in a relatively sealed state in the equipment, the feeding device has the advantages that the feeding device can continuously feed materials through the feeding hole in the operation process of the device, so that the device can continuously work, and the problem that the device can only dry in batches in the working process in the past is solved.
Description
Technical Field
The invention relates to the field of drying devices, in particular to tunnel type multifunctional drying production equipment of an air energy high-temperature heat pump.
Background
The planted agricultural products need to be dried after being harvested, the traditional drying method adopts the sun drying, and the method of drying the rice by sun drying is more and more unsuitable for the development of modern rural areas, because the field for drying the rice is less and less, the efficiency for drying the rice is too low; some drying equipment specially used for crop drying appears in the market at present, but the drying equipment is simple in structure, large in size, low in drying efficiency and uneven in drying, or good in drying effect, but the drying equipment can only dry materials in batches, and heat loss inside the equipment is very large when the materials to be dried are replaced each time.
Disclosure of Invention
The invention aims to provide tunnel type multifunctional drying production equipment of an air energy high-temperature heat pump, wherein materials are in a relatively sealed state in the equipment, and can be continuously fed through a feeding hole in the operation process of the equipment, so that the equipment can continuously work, and the problem that the traditional equipment can only dry in batches in the working process is solved.
In order to achieve the above object, the present invention provides the following solutions:
the tunnel type multifunctional drying production equipment of the air energy high-temperature heat pump comprises a drying box, a conveyor belt, a feeding port and a discharging port, wherein the hollow drying box is arranged, opposite side walls along the conveying direction of the conveyor belt in the drying box are front and rear equipment surfaces, the other two vertical side walls are left and right equipment surfaces, the equipment surface in front of the drying box is provided with the feeding port, the discharging port of the equipment surface behind the drying box is provided with a heat diffusion prevention device, the heat diffusion prevention device comprises a baffle plate arranged at the feeding port, the periphery of the baffle plate is in clearance fit with the side walls of the feeding port, the baffle plate is rotatably connected with the top edge of the feeding port through a hinge, the periphery of the baffle plate is in clearance fit with the side walls of the discharging port, the baffle plate is rotatably connected with the top edge of the discharging port through a, the starting end of the conveying belt inclines towards the ground, the end, close to the discharge port, of the conveying belt is in contact with the side wall of the drying box where the discharge port is located, a plurality of heating devices are arranged in the drying box along the side face of the conveying belt and transmit heat to the conveying belt, a heat pump heating main machine is arranged on the right equipment face of the drying box, a hot air exchanger is arranged on the inner wall of the equipment face, the hot air exchanger and the heat pump heating main machine are connected through a pipeline, a fan is arranged on the equipment face, facing the hot air exchanger, of the hot air exchanger, the fan blows air to accelerate the heat transmission of the hot air exchanger to the conveying belt, a moisture exhausting and returning machine is arranged on the top of the drying box, an indoor return air port of the moisture exhausting and returning machine absorbs moisture in the drying box, an outdoor exhaust outlet of the moisture exhausting and returning machine is connected with the top of the drying box through a, the fresh air duct penetrates through the top of the drying box to enable the inner space of the fresh air duct to be connected with the outer space of the drying box.
The principle of the technical scheme of the invention is as follows:
the drying area of the equipment is in a relatively sealed state, materials can enter the equipment through the feeding hole to be dried, and the materials are discharged through the discharging hole after being dried, so that the heat loss of the materials generated when the materials enter and exit the equipment is reduced, and the equipment can continuously work to dry the materials.
The beneficial effect that this scheme produced lies in:
1. the air energy high-temperature heat pump tunnel type multifunctional drying production line transmits heat to the conveying belt through the plurality of heating devices, the included angle formed by the heat transmission direction of each heating device and the conveying direction of the conveying belt is different, the problem that the materials are heated unevenly in the conveying process is solved, and the drying effect is improved. .
2. The dehumidifying system is combined by an automatic temperature control dehumidifying system and a manual forced exhausting system and is switched according to the drying requirement.
3. During the multi-functional drying line of air energy high temperature heat pump tunnel type, carry out the constant temperature after the initial intensification and dry, the material is very little at the inside calorific loss of business turn over stoving case 4, can realize the material of business turn over in succession, has increased drying efficiency.
Furthermore, the conveyer belt is network structure, has reduced the contact surface of material with the conveyer belt, makes the material receive the hot side wider when drying, has solved the too big problem that leads to the stoving effect not good of material and conveyer belt contact surface.
Furthermore, the heat pump heating main machine, the hot air radiator and the fan conveying belt are respectively provided with a plurality of heat exchangers, so that hot air blown out by the fan and the conveying direction of the conveying belt respectively form different included angles, the material is heated more uniformly, and the problem of poor drying effect caused by nonuniform heating of the material is solved.
Furthermore, the conveying belt inclines at an opposite direction of 45 degrees from the feed port to the discharge port, so that the materials can be uniformly distributed on the conveying belt after passing through the feed port, and the problem that the materials are stacked on the conveying belt is solved.
Furthermore, the feed inlet is provided with a cover plate, and the cover plate is in a closed state when no material is fed, so that the heat energy loss in equipment is reduced, and the drying effect is improved.
Further, the discharge gate is equipped with the apron, and the apron is in the encapsulated situation when not throwing the material, reduces the interior heat energy loss of equipment, increases the stoving effect.
Further, be provided with the passback system, whether the material through drying reaches the stoving standard is judged automatically, if do not reach the stoving standard then automatic with material transmission to discharge gate department dry once more, solved the problem that needs staff's manual work to detect after the material is dried, greatly increased the stoving success rate, reduced the production time cost.
Drawings
Fig. 1 is a schematic top view of embodiment 1 of the present invention.
FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1.
Fig. 3 is a schematic cross-sectional view of embodiment 2 of the present invention.
Fig. 4 is a partially enlarged view of C in fig. 3.
Fig. 5 is a partial cross-sectional view of CC in fig. 3.
Detailed Description
Reference numerals in the drawings of the specification include: a conveyor belt 1, a feed inlet 2, a discharge outlet 3, a drying box 4, a heat pump heating host 5, a hot air exchanger 6, a fan 7, a dehumidifying and air-returning machine 8, a dehumidifying air channel 9, a heat supply pipeline 10, a cooling pipeline 11, a baffle 12, a hinge 13, a fresh air channel 14, an indoor air-returning opening 15, an outdoor fresh air opening 16, a fresh air discharge opening 17, an outdoor air discharge opening 18, an electronic valve 19, a humidity sensor 20, a controller 21 and a return belt 22, the device comprises a rack 221, a gear 222, a triangular rotating belt 23, a transmission shaft 231, a main rotary drum 232, a toothed belt 24, circular-arc stainless steel 25, a support 26, a fixed rod 27, a wire 271, a circular live wire conducting strip 272, a circular zero wire conducting strip 273, a circular ground wire conducting strip 274, a supporting plate 28, a triangular plate 29, a motor 30, a live wire conducting rod 301, a zero wire conducting rod 302, a ground wire conducting rod 303, a circular stop rod 31 and a stop rod support 32.
Example 1:
example 1 is substantially as shown in figures 1 to 2 of the accompanying drawings:
an air energy high temperature heat pump tunnel type multifunctional drying production device is shown in attached figures 1-2, and comprises a conveyor belt 1, a feed inlet 2, a discharge outlet 3, a cuboid hollow drying box 4, two side walls of the drying box 4 which are relatively far away are respectively provided with a square feed inlet 2 and a square discharge outlet 3, the feed inlet 2 and the discharge outlet 3 are respectively provided with a heat diffusion prevention device, the heat diffusion prevention device is provided with a square baffle 12 at the feed inlet 2, the periphery of the baffle 12 is in clearance fit with the side walls of the feed inlet 2, the baffle 12 is rotatably connected with the top of the feed inlet 2 through a hinge 13, so that after a worker pushes the baffle 12 open, the baffle 12 can return automatically under the action of gravity, a heat diffusion preventing device with the same structure is arranged at the discharge port 3, a conveyor belt 1 is arranged in the drying box 4, the conveyer belt 1 is a net structure, so that materials can be uniformly heated on four sides in the conveying process.
A gap is arranged between the starting point end of the conveyor belt 1 which is relatively close to the feeding hole 2 and the feeding side wall of the drying box 4 where the feeding hole 2 is positioned, so that friction between the conveyor belt and the feeding side wall can not occur, the conveyor belt 1 is bent towards the ground at a position 50 cm away from the feeding hole side wall, so that the conveyor belt 1 which is 0 cm-50 cm close to the feeding side wall forms a conical groove with the feeding side wall, a gap is arranged between the terminal end of the conveyor belt 1 which is relatively close to the discharging hole 3 and the discharging side wall of the drying box 4 where the discharging hole 3 is positioned, so that no friction occurs between the conveyor belt and the side wall of the discharging port, and after the worker puts the materials into the drying box 4 through the feeding port 2, the material free fall falls in the conical groove that conveyer belt 1 and stoving case 4 feeding lateral wall are constituteed, and the material accessible conveyer belt 1 evenly conveys discharge gate 3, and the material that is located discharge gate 3 passes through the follow-up thrust that conveys the material of conveyer belt 4 and discharges discharge gate 3.
The inside of the drying box 4 is provided with 6 heating devices along the side surface of the conveyor belt 1 for transmitting heat to the conveyor belt, one of the heating devices is described, the heating device comprises a heat pump heating host 5 arranged on the drying box 4 and a hot air exchanger 6 arranged on the inner wall of the right equipment surface of the drying box 4, a heat supply pipeline 10 is arranged for connecting the heat pump heating host 5 and the hot air exchanger 6, so that hot air generated by the heat pump heating host 5 can be transmitted to the inside of the hot air exchanger 6 through the heat supply pipeline 10, a cooling pipeline 11 is arranged for connecting the heat pump heating host 5 and the hot air exchanger 6, so that air cooled in the hot air exchanger 6 can be transmitted to the heat pump heating host 5 through the cooling pipeline 11, the hot air exchanger 6 is arranged between the conveyor belt 1 and the right equipment surface of the drying box 4, and the hot air exchanger 6 is provided with a fan, the fan 7 blows towards the hot air exchanger 6 to accelerate the heat transmission of the hot air exchanger 6 to the conveyor belt 1, and the blowing direction of the fan 7 in the 6 heating devices and the transmission direction of the conveyor belt 1 form an included angle of 25 degrees, an included angle of 50 degrees, an included angle of 75 degrees, an included angle of 100 degrees, an included angle of 125 degrees and an included angle of 150 degrees respectively, so that materials on the conveyor belt 1 are heated from multiple angles.
The top of the drying box 4 is provided with a dehumidifying return fan 8 (a suspended ceiling fresh air dehumidifier produced by Hangzhou Song environmental science and technology limited company, the model is SYD-500L), the dehumidifying return fan 8 is provided with an indoor return air inlet 15, an outdoor fresh air inlet 16, a fresh air outlet 17 and an outdoor air outlet 18, the dehumidifying return fan 8 absorbs moisture in the drying box 4 through the indoor return air inlet 15, the outdoor air outlet 18 of the dehumidifying return fan 8 is connected with the top of the drying box 4 through a dehumidifying air duct 9, the dehumidifying air duct 9 penetrates through the top of the drying box 4 to connect the inner space of the dehumidifying air duct 9 with the outer space of the drying box 4, so that the moisture absorbed by the dehumidifying return fan 8 through the indoor return air inlet 15 can be exhausted to the outer part of the drying box 4, the outdoor fresh air inlet 16 of the dehumidifying return fan 8 is connected with the top of the drying box 4 through a fresh air duct 14, the fresh air duct 14 penetrates through the top of the drying box 4 to connect, fresh dry air outside the drying box 4 enters the moisture-removing return fan 8 through the fresh air duct 14, the moisture-removing return fan 8 discharges the fresh air into the drying box 4 through the fresh air outlet 17, and the air outside the drying box 4 enters the drying box 4.
The specific implementation process is as follows:
the staff puts in the material through feed inlet 2 with the stoving material in the bell jar, the material passes through conveyer belt 1 and evenly transmits to discharge gate 3, receive the hot-air heating of blowing to conveyer belt 1 in the transmission course and dry, the material on the conveyer belt 1 is dried by high temperature, moisture in the material evaporates in to the air, the moisture of evaporation passes through the indoor return air inlet 15 of the interior hydrofuge return air fan 8 of drying box 4 and discharges to drying box 4 outside, the material after the stoving passes through conveyer belt 1 and transmits discharge gate 3, the thrust that arrives 3 materials of discharge gate and pass through the follow-up conveying material of conveyer belt 4 discharges discharge gate 3.
Example 2:
example 2 is substantially as shown in figure 3:
the difference between the embodiment 2 and the embodiment 1 lies in that a return system is provided, the return system is provided with an electronic valve 19 between the conveyor belt 1 and the discharge port 3, the opening direction of the electronic valve 19 faces the bottom of the drying box 4, a plane formed when the electronic valve 19 is closed is on the same plane as the surface of the conveyor belt 1, so that the material conveyed by the conveyor belt 1 is conveyed onto the electronic valve 19, a humidity sensor 20 is arranged on the side surface of the electronic valve 19, so that the humidity sensor 20 can detect the material conveyed onto the surface of the electronic valve 19, the humidity sensor 20 is connected with the electronic valve 19 through a controller 21, when the humidity sensor 20 detects that the humidity of the material exceeds a threshold value, the valve can be controlled to open through the controller 21, so that the material falls, a return belt 22 is arranged at an inclined position where the conveyor belt 1 is located from the side wall of the drying box 4 where the discharge port 3 is located at the bottom of the drying box 4, so that the, the circular stop rods 31 are arranged inside the return belt 22, the circular stop rods 31 are fixedly connected with the bottom of the drying box through the stop rod supports 32, so that the racks 221 and the circular stop rods 31 are located on the same plane, and when the racks 221 pass through the circular stop rods 31, the circular stop rods 31 block the conveying belt of the return belt 22 to vibrate. .
The inclined part of the conveyor belt 1 and the corner of the feeding side wall close to the ground are replaced by a triangular rotating belt 23, the triangular rotating belt 23 is in an equilateral triangle shape, the center of the triangular rotating belt 23 is horizontally provided with a transmission shaft 231, so that the transmission shaft 231 can drive the triangular rotating belt 23 to rotate, a flexible rack 221 is arranged inside the return belt 22, one side of the return belt 22 away from the equipment surface of the drying box 4 is provided with a gear 222 meshed with the rack 221, the gear 222 and the transmission shaft 231 are transmitted through a toothed belt 24, so that the return belt 22 can drive the triangular rotating belt 23 to rotate 1 time every 1 minute and 120 degrees every time in the rotating process, the transmission shaft 231 is fixedly connected with a rack of the triangular rotating belt 23, the transmission shaft 231 is in a hollow structure, a fixing rod 27 is arranged inside the drying box 4, the fixing rod 27 penetrates through the transmission shaft 231, two ends of the fixing rod 27, the circular track formed when the triangular rotating belt 23 rotates can be attached to one end of the conveyor belt 1 close to the feed inlet 2, materials are conveyed to the surface of the conveyor belt 1 through the surface of the triangular rotating belt 23, meanwhile, the circular track formed when the triangular rotating belt 23 rotates can be attached to the surface of the return belt 22, the end of the return belt 22 close to the feed inlet 2 is provided with the circular arc stainless steel 25, one end of the circular arc stainless steel 25 close to the return belt 22 is attached to the surface of the return belt 22, the circular arc stainless steel 25 is fixedly connected with the bottom of the drying box 4 through the stainless steel bracket 26, so that the materials conveyed by the return belt 22 are pushed to the circular arc stainless steel 25 when the triangular rotating belt 23 rotates, the upper end of the circular arc stainless steel 25 far from the return belt 22 is positioned on the same plane with the transmission shaft 231, and the upper end of the circular arc stainless steel 25, the upper end of the circular arc stainless steel 25 is connected with the feeding hole 2 through the material supporting plate 28, when any angle of the triangular rotating belt 23 rotates to the position of the upper end of the circular arc stainless steel 25, the surface of the triangular rotating belt 23 and the material supporting plate 28 form a conical groove, and when the triangular rotating belt 23 rotates, materials can be pushed into the conical groove from the surface of the return belt 22 along the circular arc stainless steel 25.
The triangular plate 29 is arranged on the side, closer to the right equipment surface of the drying box 4, of the triangular rotating belt 23, the triangular plate 29 can rotate along with the triangular rotating belt 23, the triangular plate 29 is connected with the fixed rod 27 through a ball bearing, the motor 30 is fixedly arranged on the side, facing the inside of the triangular rotating belt 23, of the triangular plate 29, the output shaft of the motor 30 is meshed with the main transmission belt roller 232 through a gear, the main transmission belt roller 232 can rotate through the motor through the gear, and therefore the triangular rotating belt 23 can transmit materials.
The support rod 27 is a hollow structure, the inside electric wire 271 that is equipped with of support rod 27 is connected with external power supply, the support rod 27 is equipped with circular live wire conducting strip 272 and switches on with the live wire 271 live wire, the support rod 27 is equipped with circular zero line conducting strip 273 and switches on with the zero line of electric wire 271, the support rod 27 is equipped with circular ground wire conducting strip 274 and switches on with the ground wire 271 ground wire, the live wire interface of motor 30 power is connected with circular live wire conducting strip 272 through live wire conducting strip 301, live wire conducting strip 301 and the laminating of circular live wire conducting strip 272, the zero line interface of motor 30 power is connected with circular zero line conducting strip 273 through zero line conducting strip 32, zero line conducting strip 302 and the laminating of circular zero line conducting strip 273, the ground wire interface of motor 30 power is connected with circular ground wire conducting strip 274 through ground wire conducting strip 303, ground wire conducting strip 302 and the laminating of circular. The specific implementation process is as follows:
when the materials are transmitted to the discharge port 3 through the conveyor belt 1, the materials are transmitted to the surface of the electronic valve 19, at the moment, the humidity sensor 20 detects the humidity of the materials on the surface of the electronic valve 19, if the humidity is detected to be qualified, the materials are pushed by the conveyor belt 1 to be transmitted to the materials of the electronic valve 19 to pass through the discharge port 3, if the humidity is detected to exceed a threshold value, the humidity detector opens the electronic valve 19 through the controller 21 to enable the materials on the surface of the electronic valve 19 to fall onto the return belt 22 freely, the materials are transmitted to one side of the return belt 22, which is attached to the circular arc stainless steel 25, through the return belt 22, the materials are scraped into the conical groove through the circular arc stainless steel 25 from the return belt 22 when the triangular rotating belt 23 rotates, the materials are uniformly transmitted to the conveyor belt 1.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. Air can high temperature heat pump tunnel type multifunctional drying production equipment, including stoving case, conveyer belt, feed inlet, discharge gate, its characterized in that: the drying box is characterized in that opposite side walls along the conveying direction of the conveyor belt are front and rear equipment faces, the other two vertical side walls are left and right equipment faces, the front equipment face of the drying box is provided with a feed inlet, a discharge outlet of the rear equipment face of the drying box is provided with a heat diffusion prevention device, the heat diffusion prevention device comprises a baffle arranged at the feed inlet, the periphery of the baffle is in clearance fit with the side wall of the feed inlet, the baffle is rotatably connected with the top edge of the feed inlet through a hinge, the periphery of the baffle is provided with a baffle which is in clearance fit with the side wall of the discharge outlet, the baffle is rotatably connected with the top edge of the discharge outlet through a hinge, a conveyor belt is arranged in the drying box, the starting end of the conveyor belt close to the feed inlet is in contact with the feeding side wall of the drying, the drying box is internally provided with a plurality of heating devices along the side surface of the conveyor belt for transmitting heat to the conveyor belt, the heating devices are provided with a heat pump heating main machine on the right equipment surface of the drying box, the inner wall of the equipment surface is provided with a hot air exchanger, the hot air exchanger and the heat pump heating main machine are connected through a pipeline, the hot air exchanger is provided with a fan facing the equipment surface of the drying box, the fan blows air towards the hot air exchanger to accelerate the heat of the hot air exchanger to transmit heat to the conveyor belt, the drying box top is equipped with the hydrofuge return fan, the moisture of stoving incasement portion is absorbed to the indoor return air inlet of hydrofuge return fan, and the outdoor air exit of hydrofuge return fan passes through the hydrofuge wind channel to be connected with stoving roof portion, and the hydrofuge wind channel runs through stoving roof portion, and the outdoor new wind gap of hydrofuge return fan passes through the new trend wind channel to be connected with stoving roof portion, and the new trend wind channel runs through stoving roof portion and makes new trend wind channel inner space and stoving case exterior space be connected.
2. The air energy high-temperature heat pump tunnel type multifunctional drying production equipment as claimed in claim 1, characterized in that: the conveying belt is of a net structure.
3. The air energy high-temperature heat pump tunnel type multifunctional drying production equipment as claimed in claim 1, characterized in that: and a plurality of heat pump heating main machines, hot air radiators and fans are respectively arranged along the conveying direction of the conveying belt, so that the hot air flow direction blown out by the fans and the conveying direction of the conveying belt form included angles of 25-150 degrees respectively.
4. The air energy high-temperature heat pump tunnel type multifunctional drying production equipment as claimed in claim 1, characterized in that: the conveyor belt inclines to the ground at a position 10-80 cm away from the side wall of the feeding hole, so that the conveyor belt and the side wall of the drying box form a conical groove.
5. The air energy high-temperature heat pump tunnel type multifunctional drying production equipment as claimed in claim 1, characterized in that: the feed inlet is provided with a baffle.
6. The air energy high-temperature heat pump tunnel type multifunctional drying production equipment as claimed in claim 1, characterized in that: the discharge hole is provided with a baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011618964.4A CN112696910A (en) | 2020-12-31 | 2020-12-31 | Tunnel type multifunctional drying production equipment for air energy high-temperature heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011618964.4A CN112696910A (en) | 2020-12-31 | 2020-12-31 | Tunnel type multifunctional drying production equipment for air energy high-temperature heat pump |
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| Publication Number | Publication Date |
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| CN112696910A true CN112696910A (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011618964.4A Pending CN112696910A (en) | 2020-12-31 | 2020-12-31 | Tunnel type multifunctional drying production equipment for air energy high-temperature heat pump |
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| CN (1) | CN112696910A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028802A (en) * | 2021-04-13 | 2021-06-25 | 泰山石膏(重庆)有限公司 | Gypsum board drying system |
| CN115414683A (en) * | 2022-09-01 | 2022-12-02 | 江阴天田容器制造有限公司 | Heating device for oil separator |
-
2020
- 2020-12-31 CN CN202011618964.4A patent/CN112696910A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028802A (en) * | 2021-04-13 | 2021-06-25 | 泰山石膏(重庆)有限公司 | Gypsum board drying system |
| CN113028802B (en) * | 2021-04-13 | 2022-07-19 | 泰山石膏(重庆)有限公司 | Gypsum board drying system |
| CN115414683A (en) * | 2022-09-01 | 2022-12-02 | 江阴天田容器制造有限公司 | Heating device for oil separator |
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