Drying and dehumidifying equipment

Abstract

The utility model discloses drying and dehumidifying equipment, which relates to the technical field of dehumidifying equipment and comprises a hopper component and a dehumidifying component, and the hopper component is positioned on the back of the dehumidifying component. Through the arrangement of the cooler, lower return air temperature and dew point are ensured, plastic particles are dried more thoroughly, meanwhile, through the arrangement of the return air filter, dust of raw materials in the hopper body can be pumped out and filtered, the honeycomb rotating wheel is prevented from being polluted by the dust, the service life of the honeycomb rotating wheel is prolonged, and the replacement cost is reduced; the honeycomb rotating wheel adopts a full molecular sieve type, so that stable low-dew-point dry air can be provided, and the situation that raw materials are polluted due to aging of a molecular sieve in a traditional double-barrel dehumidifier is avoided; and meanwhile, through the arrangement of the drying electric heater, the dehumidification and drying functions can be integrated, and therefore efficient dehumidification and drying operation can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of dehumidification equipment, in particular to a drying and dehumidification equipment. Background Art

[0002] Poor molding of plastic products is mostly caused by the high moisture content of the raw materials, namely plastic particles. According to tests and demonstrations by professional institutions, the plastic must be dried to a moisture content of less than 0.02% before molding. Poor transparency, runner sticking, burrs, bubbles, silver bars, flow marks, cracks, poor dimensional stability, internal stress, insufficient product physical strength and other shortcomings are mostly caused by the fact that the molded plastics are not fully dehumidified and dried. Therefore, it is very important to fully dry plastic products before molding. The existing drying devices on the market have a high dew point and insufficient drying, which greatly affects the quality of plastic products.

[0003] Therefore, it is necessary to invent a drying and dehumidifying device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a drying and dehumidifying device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drying and dehumidifying device, comprising a hopper assembly and a dehumidifying assembly, wherein the hopper assembly is located at the back of the dehumidifying assembly;

[0006] The hopper assembly includes a support seat, and a fixing cylinder is fixedly installed on the top of the support seat, and a hopper body is installed inside the fixing cylinder, and an air outlet pipe and an air inlet pipe are fixedly penetrated through the top of one side of the hopper body;

[0007] The dehumidification assembly includes an equipment shell, and a first mounting plate and a second mounting plate are fixedly arranged at the lower end of the interior of the equipment shell, and the second mounting plate is located at the bottom of the first mounting plate.

[0008] Preferably, a first vacuum pump and a return air filter are fixedly installed on both sides of the inner lower end of the equipment shell, and a three-way valve is installed between the first vacuum pump and the return air filter. The input end of the first vacuum pump and the output end of the return air filter are connected to one end of the three-way valve through a pipeline respectively.

[0009] Preferably, the input end of the return air filter is connected to the inner lower end of the hopper body through a pipeline, and the third end of the three-way valve is connected to the outside through a pipeline.

[0010] Preferably, a second vacuum pump, a third vacuum pump and a regeneration filter are installed on the top of the second mounting plate, the output end of the regeneration filter is connected to the input end of the second vacuum pump through a pipe, a honeycomb rotor, a drying electric heater, a regeneration electric heater and a circulation filter are installed on the top of the first mounting plate, and a cooler is installed on the back inner wall of the equipment housing.

[0011] Preferably, the output end of the second vacuum pump is connected to the input end of the regenerative electric heater, and the output end of the regenerative electric heater is connected to the internal regeneration zone of the honeycomb rotor, and the internal regeneration zone of the honeycomb rotor is connected to the outside through a pipeline.

[0012] Preferably, the input end of the third vacuum pump is connected to the output end of the circulation filter through a pipe, the input end of the circulation filter is connected to one end of the outlet pipe, the output end of the third vacuum pump is connected to the input end of the cooler through a pipe, the output end of the cooler is connected to the dehumidification zone inside the honeycomb rotor, and the dehumidification zone inside the honeycomb rotor is connected to the input end of the drying electric heater through a pipe, and the output end of the drying electric heater is connected to one end of the air inlet pipe.

[0013] Preferably, the other end of the air inlet pipe extends to the inner lower end of the hopper body, and a diffusion cover is fixedly provided at one end of the air inlet pipe located inside the hopper body, and a display panel is installed on the front of the equipment housing.

[0014] Technical effects and advantages of the utility model:

[0015] The utility model ensures a lower return air temperature and dew point by setting a cooler, so that the plastic particles are dried more thoroughly. At the same time, by setting a return air filter, the dust of the raw materials inside the hopper body can be extracted and filtered to prevent dust from contaminating the honeycomb rotor, thereby increasing the service life of the honeycomb rotor and reducing the cost of replacement. The honeycomb rotor adopts a full molecular sieve type, which can provide stable low-dew point dry air and will not contaminate the raw materials due to aging of the molecular sieve like a traditional double-barrel dehumidifier. At the same time, by setting a drying electric heater, the dehumidification and drying functions can be integrated, thereby achieving efficient dehumidification and drying operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the structure of the hopper assembly of the utility model.

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the hopper of the present utility model.

[0019] Figure 4This is a schematic diagram of the structure of the dehumidification component of the utility model.

[0020] Figure 5 This is a schematic diagram of the internal parts structure of the dehumidification component of the utility model.

[0021] Figure 6 The figure is a schematic diagram of the internal area division and air flow of the honeycomb rotor of the utility model.

[0022] In the figure: 1. hopper assembly; 2. dehumidification assembly; 101. support base; 102. fixing cylinder; 103. hopper body; 104. air inlet pipe; 105. air outlet pipe; 106. expansion cover; 201. equipment housing; 202. first mounting plate; 203. second mounting plate; 204. first vacuum pump; 205. return air filter; 206. three-way valve; 207. second vacuum pump; 208. cooler; 209. third vacuum pump; 210. regeneration filter; 211. drying electric heater; 212. regeneration electric heater; 213. circulation filter; 214. honeycomb rotor; 215. display panel. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides Figure 1-5 The drying and dehumidifying device shown comprises a hopper assembly 1 and a dehumidifying assembly 2 , wherein the hopper assembly 1 is located at the back of the dehumidifying assembly 2 .

[0025] Furthermore, the hopper assembly 1 includes a support seat 101, and a fixing cylinder 102 is fixedly installed on the top of the support seat 101, and a hopper body 103 is installed inside the fixing cylinder 102, and an air outlet pipe 105 and an air inlet pipe 104 are fixedly penetrated at the top of one side of the hopper body 103;

[0026] The dehumidification component 2 includes an equipment housing 201, and a first mounting plate 202 and a second mounting plate 203 are fixedly arranged at the lower end of the interior of the equipment housing 201, and the second mounting plate 203 is located at the bottom of the first mounting plate 202. A first vacuum pump 204 and a return air filter 205 are fixedly arranged on both sides of the lower end of the interior of the equipment housing 201, and a three-way valve 206 is installed between the first vacuum pump 204 and the return air filter 205. Through the arrangement of the return air filter 205, the dust of the raw material inside the hopper body 103 can be extracted and filtered to prevent dust from contaminating the honeycomb rotor 214, thereby increasing the service life of the honeycomb rotor 214 and reducing The input end of the first vacuum pump 204 and the output end of the return air filter 205 are respectively connected to one end of the three-way valve 206 through a pipeline, the input end of the return air filter 205 is connected to the lower end of the inner part of the hopper body 103 through a pipeline, and the third end of the three-way valve 206 is connected to the outside through a pipeline. The top of the second mounting plate 203 is equipped with a second vacuum pump 207, a third vacuum pump 209 and a regeneration filter 210. The output end of the regeneration filter 210 is connected to the input end of the second vacuum pump 207 through a pipeline. The top of the first mounting plate 202 is equipped with a honeycomb rotor 214, a drying electric heater 211, and a regeneration electric heater. The honeycomb rotor 214 is of full molecular sieve type, which can provide stable low dew point dry air and will not pollute the raw materials due to the aging of molecular sieve like the traditional double barrel dehumidifier. The back inner wall of the equipment shell 201 is installed with a cooler 208. The setting of the cooler 208 ensures a lower return air temperature and dew point, so that the plastic particles are dried more thoroughly. The output end of the second vacuum pump 207 is connected to the input end of the regeneration electric heater 212, and the output end of the regeneration electric heater 212 is connected to the internal regeneration area of ​​the honeycomb rotor 214. The internal regeneration area of ​​the honeycomb rotor 214 is connected to the outside through a pipeline. The input end of the third vacuum pump 209 is connected to the output end of the circulation filter 213 through a pipeline, the input end of the circulation filter 213 is connected to one end of the outlet pipe 105, the output end of the third vacuum pump 209 is connected to the input end of the cooler 208 through a pipeline, the output end of the cooler 208 is connected to the dehumidification area inside the honeycomb rotor 214, and the dehumidification area inside the honeycomb rotor 214 is connected to the input end of the drying electric heater 211 through a pipeline, and the output end of the drying electric heater 211 is connected to one end of the intake pipe 104. Through the setting of the drying electric heater 211, the dehumidification and drying functions can be integrated, thereby enabling efficient dehumidification and drying operations.

[0027] Secondly, the other end of the air inlet pipe 104 extends to the lower end inside the hopper body 103, and a diffusion cover 106 is fixedly provided at one end of the air inlet pipe 104 located inside the hopper body 103. A display panel 215 is installed on the front of the equipment housing 201. The display panel 215 can display the control panel to facilitate human-computer interaction.

[0028] Working principle of this utility model:

[0029] When in use, first the first vacuum pump 204 works, and the three-way valve 206 blocks the end connected to the outside world. The first vacuum pump 204 draws away the air inside the return air filter 205, so that the return air filter 205 and the pipe connected to the inside of the hopper body 103 draw the air inside the hopper body 103 into the return air filter 205, and filter the return air filter 205 to filter out the dust of the raw material. After the filtering is completed, the third vacuum pump 209 and the regeneration filter 210 work, and the third vacuum pump 209 draws away the internal air of the circulation filter 213, so that the outlet pipe 105 draws the air inside the hopper body 103 into the circulation filter 213 for filtration. After the filtering is completed, enter The air flows into the interior of the third vacuum pump 209 and then into the interior of the cooler 208 for cooling. The cooled air enters the dehumidification area inside the honeycomb rotor 214 for dehumidification. The dehumidified air enters the interior of the drying electric heater 211 through a pipeline for heating and drying. The dry high-temperature air enters the interior of the hopper body 103 through the air inlet pipe 104. At the same time, the second vacuum pump 207 extracts the air inside the regeneration filter 210. The regeneration filter 210 draws in the outside air and filters it. After passing through the second vacuum pump 207, it enters the regeneration electric heater 212 for heating. The heated air enters the regeneration area inside the honeycomb rotor 214 and is finally discharged through a pipeline.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A drying and dehumidifying device, characterized in that: It comprises a hopper assembly (1) and a dehumidification assembly (2), wherein the hopper assembly (1) is located on the back of the dehumidification assembly (2); The hopper assembly (1) comprises a support seat (101), a fixing cylinder (102) is fixedly installed on the top of the support seat (101), a hopper body (103) is installed inside the fixing cylinder (102), and an air outlet pipe (105) and an air inlet pipe (104) are fixedly penetrated through the top of one side of the hopper body (103); The dehumidification component (2) comprises a device housing (201), and a first mounting plate (202) and a second mounting plate (203) are fixedly arranged at the lower end of the interior of the device housing (201), and the second mounting plate (203) is located at the bottom of the first mounting plate (202).

2. A drying and dehumidifying device according to claim 1, characterized in that: A first vacuum pump (204) and a return air filter (205) are fixedly installed on both sides of the lower end of the device housing (201), and a three-way valve (206) is installed between the first vacuum pump (204) and the return air filter (205). The input end of the first vacuum pump (204) and the output end of the return air filter (205) are connected to one end of the three-way valve (206) through a pipeline.

3. A drying and dehumidifying device according to claim 2, characterized in that: The input end of the return air filter (205) is connected to the inner lower end of the hopper body (103) through a pipeline, and the third end of the three-way valve (206) is connected to the outside through a pipeline.

4. A drying and dehumidifying device according to claim 3, characterized in that: A second vacuum pump (207), a third vacuum pump (209) and a regeneration filter (210) are installed on the top of the second mounting plate (203); the output end of the regeneration filter (210) is connected to the input end of the second vacuum pump (207) through a pipeline; a honeycomb rotor (214), a drying electric heater (211), a regeneration electric heater (212) and a circulation filter (213) are installed on the top of the first mounting plate (202); and a cooler (208) is installed on the back inner wall of the equipment housing (201).

5. A drying and dehumidifying device according to claim 4, characterized in that: The output end of the second vacuum pump (207) is connected to the input end of the regenerative electric heater (212), and the output end of the regenerative electric heater (212) is connected to the internal regeneration area of ​​the honeycomb rotor (214), and the internal regeneration area of ​​the honeycomb rotor (214) is connected to the outside through a pipeline.

6. A drying and dehumidifying device according to claim 5, characterized in that: The input end of the third vacuum pump (209) is connected to the output end of the circulation filter (213) through a pipeline, the input end of the circulation filter (213) is connected to one end of the air outlet pipe (105), the output end of the third vacuum pump (209) is connected to the input end of the cooler (208) through a pipeline, the output end of the cooler (208) is connected to the dehumidification area inside the honeycomb rotor (214), and the dehumidification area inside the honeycomb rotor (214) is connected to the input end of the drying electric heater (211) through a pipeline, and the output end of the drying electric heater (211) is connected to one end of the air inlet pipe (104).

7. A drying and dehumidifying device according to claim 6, characterized in that: The other end of the air inlet pipe (104) extends to the lower end inside the hopper body (103), and a diffuser cover (106) is fixedly provided at one end of the air inlet pipe (104) located inside the hopper body (103), and a display panel (215) is installed on the front of the equipment housing (201).

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