WO2013102344A1

WO2013102344A1 - Adsorption dryer

Info

Publication number: WO2013102344A1
Application number: PCT/CN2012/078348
Authority: WO
Inventors: 郭应辉
Original assignee: 深圳市贝腾科技有限公司
Priority date: 2012-01-06
Filing date: 2012-07-09
Publication date: 2013-07-11

Abstract

An adsorption dryer comprises an air inlet assembly (100), an air outlet assembly (200), an air exhaust assembly (400) and drying pipes (300). The air inlet assembly (100) and air outlet assembly (200) are respectively connected to the drying pipes (300). A refrigerating component (500) is arranged in the air inlet assembly (100), thereby effectively reducing the temperature of inlet air, and thus to separate moisture in airflow out. The drying load of the adsorption dryer is reduced, and the drying capacity of the adsorption dryer is further improved.

Description

Adsorption dryer

Technical field

The invention belongs to the technical field of adsorption and separation devices, and particularly relates to an adsorption drying machine with good adsorption drying effect and low energy consumption.

Background technique

In the current adsorption dryer, most of the compressed air is directly introduced into the adsorption drying tube from the air inlet, and then the air is directly discharged through the air outlet, the adsorption drying effect is poor, the equipment energy consumption is high, and the use cost is high.

technical problem

The object of the present invention is to overcome the above deficiencies of the prior art and to provide an adsorption dryer The adsorption drying effect is good, the equipment energy consumption is low, and the use cost is low.

Technical solution

The technical solution of the present invention is: an adsorption dryer comprising an air intake component, an air outlet component, an exhaust component, and a drying pipe, wherein the air intake component and the air outlet component are respectively connected to the drying pipe, and the air intake component Set the cooling unit.

Specifically, the drying tube is provided with at least two groups, a desiccant is disposed in the adsorption drying tube, and the at least two groups of adsorption drying tubes alternately perform adsorption and regeneration operations.

Specifically, the adsorption drying tube has a tubular shape, and a lower end thereof is detachably connected to the air intake assembly, and an upper end thereof is detachably connected to the air outlet assembly.

Specifically, the intake assembly includes an intake pipe connected to the intake pipe, and an intake pipe disposed at a lower end of the drying pipe, the intake pipe having the drying An intake buffer chamber connected to the tube, the cooling component being disposed in the intake buffer chamber.

specifically, The exhaust assembly includes an exhaust valve and a muffler, the exhaust valve being coupled to the intake assembly, and the muffler being disposed on the exhaust valve.

Further, a heating component is disposed in the air outlet component.

Specifically, the air outlet assembly includes an air outlet pipe and an air outlet valve, the air outlet valve is connected to the air outlet pipe, the air outlet pipe is disposed at an upper end of the drying pipe, and the air outlet pipe has a connection with the drying pipe. An air outlet buffer chamber is disposed in the air outlet buffer chamber.

Specifically, the refrigerating member includes a cooling pipe connected to a cooling water pipe or a refrigerant compressor that can generate a refrigerant.

Specifically, the heating member includes an electric heating tube or a heat exchange tube connected to a high temperature compressed air outlet of the air compressor or The heat generating end of the refrigerant compressor.

Specifically, the cooling pipe is bent back and set; the heat pipe is bent back and set.

Beneficial effect

Adsorption dryer provided by the invention By arranging the refrigerating component in the intake component, the air intake temperature can be effectively reduced, so that the water in the airflow can be analyzed, the moisture contained in the airflow is reduced, and the drying load of the adsorption dryer is reduced, thereby enhancing The drying capacity of the adsorption dryer, the adsorption drying efficiency of the equipment is high, and the drying effect is good, the energy consumption is reduced, the user's use cost is reduced, and the development trend of low carbon environmental protection is met.

DRAWINGS

1 is a front view of an adsorption dryer according to an embodiment of the present invention;

Figure 2 is a schematic cross-sectional view taken along line A-A of Figure 1;

Figure 3 is a schematic cross-sectional view taken along line B-B of Figure 1;

4 is a side view of the adsorption dryer provided by the embodiment of the present invention;

Fig. 5 is a perspective view showing the adsorption dryer of the embodiment of the present invention after the refrigerant compressor is installed.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Figure 1 to Figure 5 As shown in the embodiment of the present invention, an adsorption dryer can be a device for air drying, separation, and adsorption, such as a compressed air drying device or a nitrogen generating device. The above adsorption dryer includes an intake assembly 100 , an air outlet assembly 200, an exhaust assembly 400, and a drying tube 300, the air intake assembly 100 and the air outlet assembly 200 are respectively coupled to the drying tube 300, and the exhaust assembly 400 Connected to the air intake assembly 100, a cooling unit 500 is disposed in the air intake assembly 100. The exhaust assembly 400 can be used to drain moisture, impurities, and the like. Drying tube 300 Divided into two groups, the two groups alternately carry out adsorption and regeneration. The gas stream enters from the inlet assembly 100 and then flows through the drying tube 300 for drying, adsorption, and then from the drying tube 300 to the gas outlet assembly 200. , wherein most of the dry compressed gas is discharged from the gas outlet assembly 200, and a small portion of the gas stream flows from the adsorption group drying tube 300 to the regeneration group to the regeneration group drying tube 300. Desorption is performed to ensure adsorption efficiency for the next cycle and is then discharged through the exhaust assembly 400. The adsorption dryer provided by the present invention is provided by the refrigeration unit 500 being disposed in the intake unit 100. Inside, it can effectively reduce the intake air temperature, so that the water in the airflow can be analyzed, the moisture contained in the airflow is reduced, the drying load of the adsorption dryer is reduced, and the drying capacity of the adsorption dryer is enhanced, and the adsorption is enhanced. The adsorption capacity of the dryer is greatly improved, the desiccant can enhance the adsorption capacity due to the low temperature, the adsorption drying efficiency of the equipment is high, the drying effect is good, the energy consumption is reduced, the user's use cost is reduced, and the low carbon environmental protection is met. development trend.

Specifically, as shown in FIGS. 1 to 5, the drying tube 300 is provided with at least two groups, each group including at least one drying tube 300. . In a specific application, the number and arrangement of the drying tubes 300 may be determined according to actual conditions, and all fall within the scope of protection of the present invention. A desiccant is disposed in the drying tube 300, and the at least two sets of drying tubes 300 Alternate adsorption and regeneration work, on the one hand, can provide a continuous supply of clean gas, on the other hand can improve the efficiency of adsorption drying.

Preferably, as shown in FIGS. 1 to 5, the drying tube 300 has a tubular shape, and a lower end thereof is detachably coupled to the air intake assembly 100. The upper end is detachably connected to the air outlet assembly 200 to facilitate disassembly and replacement of the drying tube 300 for product maintenance.

Specifically, as shown in FIGS. 1 to 5, the intake assembly 100 includes an intake pipe 110 and an intake valve 120. The intake valve 120 is connected to the intake pipe 110, and the intake valve 120 may be disposed at a suitable position such as a side or a bottom of the intake pipe 110 for controlling intake air. The intake pipe 110 And disposed at a lower end of the drying tube 300, the intake pipe 110 has an intake buffer chamber 101 communicating with the drying tube 300, and the refrigerating member 500 is disposed in the intake buffer chamber 101. The cooling effect is good, so that the intake airflow can be uniformly cooled, and the heat exchange between the refrigeration component 500 and the external environment can be reduced, energy loss can be avoided, the cooling efficiency is high, and the energy consumption required for cooling is reduced.

Further, as shown in FIG. 1 to FIG. 5, the air outlet assembly 200 is provided with a heating component 600 and a heating component 600. The gas stream flowing out of the adsorption group drying pipe 300 can be heated to raise the temperature of the gas stream, and a small portion of the gas stream can be purged from the top to the downstream of the regeneration group drying pipe 300, thereby making the drying pipe 300 The temperature of the desiccant in the interior is increased, and the regeneration is efficiently desorbed, and the regeneration efficiency is high, which is advantageous for improving the effect of adsorption drying. This part of the gas stream is finally discharged through the exhaust valve and the muffler. In specific applications, two sets of drying tubes 300 The cooled airflow in one of the groups flows from the bottom to the top for adsorption drying to obtain compressed and dried compressed air, and at the same time, a small portion of the heated airflow in the other group is a regeneration airflow, which flows from the top to the bottom, The desiccant is desorbed and regenerated, and by increasing the temperature of the regeneration gas stream, the dehydration ability of the desiccant is greatly enhanced, and the loss of the regeneration gas stream is reduced.

More specifically, as shown in FIGS. 1 to 5, the air outlet assembly 200 includes an upper air pipe 210 and an air outlet valve 220. The air outlet valve 220 is connected to the air outlet pipe 210, the air outlet pipe 210 is disposed at an upper end of the drying pipe 300, and the air outlet pipe 210 has a drying pipe 300 A communication air outlet buffer chamber 201 is disposed, and the heating member 600 is disposed in the air outlet buffer chamber 201. By placing the heating member 600 in the air outlet buffer chamber 201 On the one hand, the heat loss is reduced, the regeneration efficiency is improved, and on the other hand, the product structure is compact.

More specifically, as shown in FIGS. 1 to 5, the exhaust assembly 400 includes an exhaust valve 410 and a muffler 420. The exhaust valve 220 is connected to the intake pipe 110, and the muffler 10 is disposed on the exhaust valve 410 to reduce exhaust noise.

Specifically, as shown in FIG. 1 to FIG. 5, the refrigeration unit 500 includes a cooling pipe 510. In this embodiment, the cooling pipe The 510 has a 'U' shape or a spiral shape, and is provided with at least two, and each of the cooling tubes 510 is provided with a cold source inlet and a cold source outlet. The cooling pipe 510 is connected to a refrigerant compressor that can generate refrigerant 700 Or externally circulate cooling water, etc. In the present embodiment, the cooling pipe 510 is connected to the refrigerant compressor 700. The cooling pipe 510 is disposed in the intake buffer chamber 101, and the refrigerant compressor 700 It can be disposed outside the intake buffer chamber 101, and its refrigerating end is connected to the cooling tube 510, and the evaporated refrigerant can flow through the cooling tube 510 to make the cooling tube 510 The temperature is lowered to achieve the purpose of lowering the intake air temperature.

Specifically, as shown in FIGS. 1 to 5, the heating member 600 includes a heat generating tube 610 and a heat generating tube 610. The heating tube 610 may be a U-shaped or spiral shape. In the present embodiment, the heating tube 610 is a heat exchange tube, and at least two of them are disposed, and each of the heating tubes 610 Both a heat source inlet and a heat source outlet are provided. The heat pipe 610 is connected to a high temperature compressed air outlet of the air compressor or a heat generating end of the refrigerant compressor 700. In this embodiment, the heat pipe 610 Connected to the heating end of the refrigerant compressor 700, the residual heat generated during the refrigeration compression operation can be directed to the heat pipe 610 to increase the temperature of the heat pipe 610, and the refrigerant compressor 700 is not only the cooling pipe 510 The cooling is performed while the heat pipe 610 is heated, and the refrigerant compressor 700 is skillfully utilized. By using a refrigerant compressor 700 The refrigeration cools the compressed air; the heat of the refrigerant after the compression heats the regeneration gas, which not only greatly improves the adsorption efficiency of the adsorption dryer, but also greatly reduces the loss of the regeneration gas, thereby saving energy consumption.

After the refrigerant is compressed by the refrigerant compressor 700, the temperature rises, and it passes through the heat pipe 610 located in the gas outlet assembly 200. Or a heat exchanger that heats the regeneration gas stream through which the regeneration gas stream can raise the temperature of the regeneration gas stream, and the heat exchanger can be disposed in the gas outlet buffer chamber 201 Inside or outside; cooling the refrigerant through the condenser during cooling, and then evaporating and cooling the refrigerant through the capillary tube and entering the cooling pipe 510 located in the intake buffer chamber 101 to lower the intake air temperature and then returning to the refrigerant compressor 700 and proceeding to the next cycle, the present invention provides an adsorption dryer that utilizes a refrigerant compressor 700 The refrigeration cools the compressed air; the heat of the refrigerant after the compression heats the regeneration gas, which not only greatly improves the adsorption efficiency of the adsorption dryer, but also greatly reduces the loss of the regeneration gas, thereby saving energy consumption.

Alternatively, the cooling pipe 510 may be connected to a refrigerant source such as cooling water or cold air, and is within the scope of the present invention.

Alternatively, the heat pipe 610 may be connected to an evaporation heat source, a hot water pipe, or the like, or a heat pipe 610. It can also be an electric heating tube or the like, and all fall within the protection scope of the present invention.

Further, the adsorption dryer further includes means for detecting and controlling the intake assembly 100 and the exhaust assembly 200 The temperature of the temperature controller is high in product reliability.

Specifically, the cooling tube 510 is bent back and set, and the cooling tube 510 The expansion length is long, the effective area is large, and the airflow can flow through the cooling tube 510 sufficiently uniformly to achieve a better cooling effect.

More specifically, the cooling tube 510 One or two or more layers may be provided to further improve the cooling effect, lower the intake air temperature, and improve the adsorption efficiency.

Specifically, the heat pipe 610 is bent back and set, and the heat pipe 610 The unfolded length is long, the effective area is large, and the airflow can flow through the heat pipe 610 sufficiently uniformly to achieve a better heating effect.

More specifically, the heat pipe 610 One or two or more layers may be provided to further improve the heating effect, increase the temperature of the flyback gas stream, and improve the regeneration efficiency of the desiccant.

In a specific application, the refrigerating unit 500 functions as a heat exchange unit, which may be disposed only in the intake unit 100 or at the same time in the exhaust unit. Set the heating unit 400 in 200.

The above is only the preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

An adsorption dryer comprising an air intake assembly, an air outlet assembly, an exhaust assembly and a drying tube, wherein the air intake assembly and the air outlet assembly are respectively connected to the drying tube, wherein a cooling unit is disposed in the air intake assembly .
Claims 1 The adsorption drying machine is characterized in that the adsorption drying tube is provided with at least two groups, and the drying tube is provided with an adsorption drying agent, and the at least two sets of drying tubes alternately perform adsorption and regeneration work.
Claims 1 The adsorption dryer is characterized in that the drying tube has a tubular shape, and a lower end thereof is detachably connected to the air inlet assembly, and an upper end thereof is detachably connected to the air outlet assembly.
Claims 1 The adsorption dryer is characterized in that the intake assembly includes an intake pipe and an intake valve, the intake valve is connected to the intake pipe, and the intake pipe is disposed at a lower end of the drying pipe. The intake pipe has an intake buffer chamber in communication with the drying pipe, and the refrigerating member is disposed in the intake buffer chamber.
Claims 1 The adsorption dryer is characterized in that the exhaust assembly comprises an exhaust valve and a muffler, the exhaust valve is connected to the intake assembly, and the muffler is disposed on the exhaust valve.
The adsorption dryer according to any one of claims 1 to 5, characterized in that the outlet member is provided with a heating member.
Claim 6 The sorption drying machine is characterized in that: the air outlet assembly comprises an air outlet pipe and an air outlet valve, the air outlet valve is connected to the air outlet pipe, and the air outlet pipe is disposed at an upper end of the drying pipe, the air outlet pipe An air outlet buffer chamber is provided in communication with the drying tube, and the heating member is disposed in the air outlet buffer chamber.
Claim 5 The adsorption dryer is characterized in that the refrigeration unit comprises a cooling pipe connected to a cooling water pipe or a refrigerant compressor that can generate a refrigerant.
According to claim 8 The adsorption dryer is characterized in that the heating member comprises an electric heating tube or a heat exchange tube, and the heat exchange tube is connected to a high temperature compressed air outlet of the air compressor or a heat generating end of the refrigerant compressor.
The adsorption drying machine according to claim 9, wherein the cooling pipe is bent back and set; the heat pipe is bent back and set.