CN218523912U

CN218523912U - High-efficient dehumidification drying system and pipe cleaning valve thereof

Info

Publication number: CN218523912U
Application number: CN202222896770.1U
Authority: CN
Inventors: 彭华
Original assignee: Dongguan Hejin Plastic Machinery Co ltd
Current assignee: Dongguan Hejin Plastic Machinery Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-02-24
Anticipated expiration: 2032-11-01

Abstract

The utility model provides a high-efficient dehumidification drying system and cleaning tube valve thereof, cleaning tube valve includes valve body, inlet pipe, discharge gate, air inlet, mend wind gap and solenoid valve, and the inlet pipe is linked together with the drying can and has realized stable ejection of compact effect. Still provide a high-efficient dehumidification drying system, the drying tank bottom discharge gate in the system is connected with the inlet pipe of pigging valve. The air supply opening and the air inlet of the pipe cleaning valve and the air inlet of the drying tank are connected with the fourth air outlet of the drying heater, dry warm air can be continuously supplied into the pipe cleaning valve and the drying tank, and the internal environmental conditions of the pipe cleaning valve and the drying tank are kept consistent. This dehumidification drying system has set up recovery processing mechanism, air-blower and dry heater to the dry gas, realizes the recovery and the regeneration to gas, realizes cyclic utilization. The whole dehumidifying and drying system is stable in operation, good in drying effect and smooth in material transportation.

Description

High-efficient dehumidification drying system and pipe cleaning valve thereof

Technical Field

The utility model relates to a dehumidification drying technology field, concretely relates to high-efficient dehumidification drying system and pipe cleaning valve thereof.

Background

In the production process of plastic products, because the humidity of raw materials is high, the molded plastic has the defects of poor transparency, runner adhesion, burrs, bubbles, flow marks, cracks, poor dimensional stability, internal stress generation, insufficient physical strength of products and the like. Therefore, the plastic before molding must be dried to have a water content of a certain level and then subjected to post-processing to solve the problem of poor molding of the plastic product. Plastic granules usually adopt the drying cabinet to carry out hot air drying, and hot-blast process takes out a large amount of steam behind the drying cabinet, need reprocessing back reuse, but realizes recycling and be favorable to the energy saving. After drying, materials are generally blended by adopting a valve, plastic particles in the drying tank are discharged by utilizing the valve, and discharging can be stopped by closing the valve after discharging. However, when the material is discharged, the discharge hole of the valve is easily blocked by the material, and after the material is discharged, a part of residual material is accumulated at the discharge hole of the valve. Along with the material is constantly discharged, the bottom of the drying tank is close to the position of the valve and forms a temperature difference with the middle part of the tank, the heat in the tank is taken away by the discharge of the material, and the drying effect on subsequent materials can be reduced. Therefore, aiming at the problems of drying and subsequent conveying of plastic particles, a high-efficiency dehumidifying and drying system and a pipe cleaning valve are provided, and the continuous and stable operation of the dehumidifying system is ensured.

Disclosure of Invention

An object of the utility model is to provide a high-efficient dehumidification drying system and pigging valve thereof, this high-efficient dehumidification drying system operation is stabilized at the bottom of the energy consumption, and is energy-concerving and environment-protective, adopts the pigging valve can transport out the dry material of completion in the drying cylinder in the system fast, is difficult to block up, and the clean material is clean, to environmental impact in the drying cylinder when reducing material output.

In order to achieve the above object, the utility model provides a pipe cleaning valve, including hollow valve body the side of valve body is equipped with an inlet pipe, an air supply inlet has been seted up to the inlet pipe lateral wall, with one side that the inlet pipe is relative is equipped with a solenoid valve. The bottom of the valve body is provided with an air inlet and a discharge hole, and the air inlet and the discharge hole are symmetrically arranged on two side faces of the bottom of the valve body.

Preferably, a transparent valve cover is arranged on the top surface of the valve body.

The utility model also provides a high-efficient dehumidification drying system, including a drying cabinet, a recovery processing mechanism, an air-blower and a dry heater.

A vertical stirring shaft is arranged in the center of the interior of the drying tank, an air outlet is formed in the top end of the drying tank, a first discharge port is formed in the bottom of the drying tank, and an air inlet is formed in the side wall close to the first discharge port;

the air outlet with recovery processing mechanism connects, recovery processing mechanism includes a dust remover, a condenser and a rotation dehumidification desiccator, the dust remover is used for removing dust to gas, the condenser is used for removing moisture to gas condensation, the rotation dehumidification desiccator group is used for further dehumidifying to gas. Wherein the first air inlet of dust remover with the air outlet links to each other, the first gas outlet of dust remover with the second air inlet of condenser links to each other, the second gas outlet of condenser with the third air inlet of wheel dehumidification desiccator links to each other, the third gas outlet of wheel dehumidification desiccator with the air-blower is connected. The blower is connected with a fourth air inlet of the drying heater and used for conveying air to the drying heater, a fourth air outlet of the drying heater is connected with the air inlet, and the drying heater is used for heating the air;

the pipe cleaning valve further comprises the pipe cleaning valve, the first discharge hole is connected with a feeding pipe of the pipe cleaning valve, the air supplementing hole and the air inlet are connected with the fourth air outlet, and the discharge hole of the pipe cleaning valve is communicated with a storage bin.

Preferably, the drying tank comprises a straight cylinder section and a conical cylinder section, the conical cylinder section is arranged below the straight cylinder section and is fixedly connected with the straight cylinder section, a conical shunt net is arranged in the conical cylinder section, a cavity is formed between the conical cylinder section and the conical shunt net, the air inlet is communicated with the cavity, and the conical shunt net is used for homogenizing the drying gas entering from the air inlet.

Preferably, the condenser is further provided with a fresh air supplement port for supplementing fresh air.

Preferably, the stirring shaft is provided with a plurality of stirring blades at intervals along the axial direction.

The utility model has the advantages that: the utility model provides a pigging valve, this pigging valve cooperation drying can have realized stable ejection of compact effect. The pipe cleaning valve comprises a valve body, a feeding pipe, a discharging port, an air inlet, an air supplementing port and an electromagnetic valve, the feeding pipe is communicated with the drying tank, the air inlet is arranged at the relative position of the discharging port, the effect of continuously taking out materials is achieved under the pushing action of air flow, and the blockage of the pipe cleaning valve can be effectively avoided. Meanwhile, the air supplementing opening is formed in the side wall of the feeding pipe, so that dry warm air can be supplemented properly during discharging, heat preservation of materials is realized, the temperature of the outlet position of the drying tank is kept, and the stability of the drying environment in the drying tank is kept. The valve body is also provided with an electromagnetic valve which can effectively control the discharging speed.

The utility model also provides a high-efficient dehumidification drying system, the drying tank bottom discharge gate in the system is connected with the inlet pipe of pigging valve. The air supply opening and the air inlet of the pipe cleaning valve and the air inlet of the drying tank are connected with the fourth air outlet of the drying heater, dry warm air can be continuously supplied into the pipe cleaning valve and the drying tank, and the internal environmental conditions of the pipe cleaning valve and the drying tank are kept consistent. The whole dehumidifying and drying system is stable in operation, good in drying effect and smooth in material transportation.

Drawings

Fig. 1 is a schematic structural view of a pipe cleaning valve of the present invention.

Figure 2 is a top view of one of the manifold valves of figure 1.

FIG. 3 is a right side view of one of the pig valves of FIG. 1.

Fig. 4 is a schematic structural diagram of a high-efficiency dehumidifying and drying system of the present invention.

In the figure: 1-valve body, 2-feeding pipe, 3-discharging port, 4-air inlet, 5-electromagnetic valve, 6-air supplement port, 7-drying tank, 8-recovery processing mechanism, 9-drying heater, 10-air blower, 11-pipe cleaning valve, 12-stirring shaft, 13-stirring blade and 14-conical splitter screen.

Detailed Description

In order to make the technical field better understand the technical scheme of the invention, the invention is further described in detail with reference to the attached drawings. The embodiments described are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, 2 and 3, the utility model provides a pigging valve, including hollow valve body 1 the side of valve body 1 is equipped with an inlet pipe 2, inlet pipe 2 usually communicates with the discharge gate of drying cabinet, a supply air inlet 6 has been seted up to inlet pipe 2 lateral wall. The moisturizing mouth 6 with inlet pipe 2 intercommunication can follow moisturizing mouth 6 constantly to supply the warm dry gas of appropriate amount, and this warm dry gas can effectively keep the dryness fraction and the temperature of intraductal material, and partial gas can follow the pipeline simultaneously and flow in the drying cabinet with inlet pipe 2 intercommunication, in time supplyes jar interior dry gas, avoids losing too much dry gas and temperature because of arranging the material, influences drying efficiency in the drying cabinet. It should be noted that the air input of the air supply opening 6 can be set according to actual conditions, so as not to cause obvious obstruction to material transportation. An electromagnetic valve 5 is arranged at the side opposite to the feeding pipe 2, and the feeding speed of the pipe cleaning valve 11 can be controlled by the electromagnetic valve 5. The bottom of the valve body 1 is provided with an air inlet 4 and a discharge port 3, and the air inlet 4 and the discharge port 3 are symmetrically arranged on two side surfaces of the bottom of the valve body 1. The air inlet 4 ohm with the discharge gate 3 is just to setting up, lets in certain flow gas to air inlet 4 during the use earlier, forms the negative pressure, then adjusts and controls solenoid valve 5 and open the inlet pipe 2 open circuit, and the material flows into in the valve body 1 near reaching discharge gate 3 under the effect of atmospheric pressure, and the material is along with the continuous promotion material of air current constantly flows out to discharge gate 3 constantly. A transparent valve cover is arranged on the top surface of the valve body 1, so that the condition in the valve body 1 can be observed conveniently.

Example 2

Referring to fig. 4, the present invention also provides a high-efficiency dehumidifying and drying system including a drying tank 7, a recycling mechanism 8, an air blower 10, a drying heater 9, and the pigging valve 11 according to embodiment 1.

The inside center of drying chamber 7 is equipped with vertical (mixing) shaft 12, (mixing) shaft 12 has laid a plurality of stirring leaves 13 along axial interval. The top end of the drying tank 7 is provided with an air outlet, the bottom of the drying tank 7 is provided with a first discharge hole, and an air inlet is formed in the side wall of the first discharge hole. The drying tank 7 comprises a straight cylinder section and a conical cylinder section, the conical cylinder section is arranged below the straight cylinder section and fixedly connected with the straight cylinder section, a conical shunt net 14 is arranged in the conical cylinder section, a cavity is formed between the conical cylinder section and the conical shunt net 14, the air inlet is communicated with the cavity, and the conical shunt net 14 is used for homogenizing dry gas entering from the air inlet. The conical flow distribution net 14 is provided with a plurality of holes, so that air can flow into the straight section of the drying tank 7, and dry air enters the cavity first and is discharged into the drying tank 7 continuously from the holes under the action of air pressure, so that the bottom of the drying tank 7 can be uniformly exhausted upwards, the pressure difference is reduced, and the drying uniformity in the drying tank 7 is also ensured.

The air outlet with recovery processing mechanism 8 is connected, recovery processing mechanism 8 includes a dust remover, a condenser and a rotation dehumidification desiccator, the dust remover is used for removing dust to gas, the condenser is used for removing moisture to gas condensation, the rotation dehumidification desiccator unit is used for further dehumidifying to gas. Wherein the first air inlet of dust remover with the air outlet links to each other, the dust remover can adopt high-pressure pulse dust remover, can be effectively, clean retrieving wind fast, promotes operating speed, the first gas outlet of dust remover with the second air inlet of condenser links to each other. The second gas outlet of the condenser is connected with the third gas inlet of the rotary dehumidifying dryer, the condenser enables the moisture of the recovered gas to be crystallized and removed through cooling, the first-pass recovered gas is obtained for dehumidification, and the follow-up dehumidifying pressure is reduced. The condenser still is equipped with a new trend and replenishes the mouth for supply fresh gas, the new trend is replenished the mouth and is based on venturi principle formula replenishment new trend, utilizes the wind pressure to replenish the new trend certainly and mix together with retrieving gas, both can increase the amount of wind and can improve the quality of wind again.

And a third air outlet of the rotary dehumidifying dryer is connected with the air blower 10. The rotary dehumidifying dryer is the prior art, and the justice principle of the rotary dehumidifying dryer is not described herein. The blower 10 is connected with a fourth air inlet of the drying heater 9, the blower 10 is used for conveying air to the drying heater 9, a fourth air outlet of the drying heater 9 is connected with the air inlet, and the drying heater 9 is used for heating the air. The efficient dehumidifying and drying system is provided with a recovery processing mechanism 8, a blower 10 and a drying heater 9 aiming at the drying gas, so that the gas is recovered and regenerated, and the recycling is realized.

The first discharge port is connected with the feeding pipe of the pipe cleaning valve 11, the air supply port and the air inlet of the pipe cleaning valve 11 are both connected with the fourth air outlet, and the discharge port of the pipe cleaning valve 11 is communicated with a storage bin, which is not shown here. The air supply port and the air inlet of the pipe cleaning valve 11 are communicated with the fourth air outlet and adopt the drying gas with the same temperature as that in the drying tank 7, so that the consistency of the environmental temperature of the pipe cleaning valve 11 and the drying tank 7 is favorably kept, the circulating air is reasonably utilized, additional air supply equipment is not needed, and the space is saved.

The utility model provides a high-efficient dehumidification drying system and pipe cleaning valve thereof, this pipe cleaning valve simple structure, the pay-off mode is convenient, through set up its mouth into relatively at the discharge gate, realizes that the wind pressure promotes the material transport, avoids the material to block up. The pipe cleaning valve is matched with the drying tank, the recovery processing mechanism, the air blower and the drying heater to form a high-efficiency dehumidification drying system, so that the stable drying and output effects of materials are realized, and the drying gas is recycled and utilized in multiple ways.

The preferred embodiments of the present invention disclosed above are only for the purpose of helping to explain the present invention, and do not limit the present invention to the specific embodiments described above. Obviously, other modifications and variations are possible in light of the above teachings. The embodiment that the present specification chose and specifically described is for the purpose of explaining the principles and practical applications of the present invention better to make the skilled person in the art understand and utilize well the present invention, it is not right the utility model discloses a limit, any right the scheme after the simple deformation of the utility model all belongs to the protection scope of the present invention.

Claims

1. A pigging valve, comprising a hollow valve body, characterized in that: a feeding pipe is arranged on the side surface of the valve body, an air supplementing opening is formed in the side wall of the feeding pipe, and an electromagnetic valve is arranged on the side opposite to the feeding pipe; the bottom of the valve body is provided with an air inlet and a discharge hole, and the air inlet and the discharge hole are symmetrically arranged on two side surfaces of the bottom of the valve body.

2. The pig valve of claim 1 wherein the top surface of the valve body is provided with a transparent valve cover.

3. A high-efficiency dehumidifying and drying system comprises a drying tank, a recycling mechanism, an air blower and a drying heater, wherein a vertical stirring shaft is arranged in the center of the inside of the drying tank, an air outlet is formed in the top end of the drying tank, a first discharge hole is formed in the bottom of the drying tank, and an air inlet is formed in the side wall close to the first discharge hole;

the air outlet is connected with the recovery processing mechanism, the recovery processing mechanism comprises a dust remover, a condenser and a rotary dehumidifying dryer, the dust remover is used for removing dust from the gas, the condenser is used for condensing and dehumidifying the gas, and the rotary dehumidifying dryer is used for further dehumidifying the gas; the first air inlet of the dust remover is connected with the air outlet, the first air outlet of the dust remover is connected with the second air inlet of the condenser, the second air outlet of the condenser is connected with the third air inlet of the rotary dehumidifying dryer, the third air outlet of the rotary dehumidifying dryer is connected with the air blower, the air blower is connected with the fourth air inlet of the drying heater and used for conveying air to the drying heater, the fourth air outlet of the drying heater is connected with the air inlet, and the drying heater is used for heating the air;

the method is characterized in that: the pigging valve of any one of claims 1-2, wherein the first discharge port is connected with the feed pipe of the pigging valve, the air supply port and the air inlet port are both connected with the fourth air outlet, and the discharge port of the pigging valve is communicated with a storage bin.

4. The efficient dehumidifying and drying system of claim 3 wherein the drying tank comprises a straight section and a conical section, the conical section is disposed below the straight section and is fixedly connected to the straight section, a conical shunt net is disposed in the conical section, a cavity is formed between the conical section and the conical shunt net, the air inlet is communicated with the cavity, and the conical shunt net is used for homogenizing the drying air entering from the air inlet.

5. The efficient dehumidifying and drying system of claim 3 wherein the condenser is further provided with a fresh air supply port for supplying fresh air.

6. The efficient dehumidifying and drying system of claim 3 wherein the stirring shaft is provided with a plurality of stirring blades at intervals along the axial direction.