CN216171238U

CN216171238U - Heatless regeneration adsorption dryer

Info

Publication number: CN216171238U
Application number: CN202122098149.6U
Authority: CN
Inventors: 张凯
Original assignee: Hubei Naika Purification Equipment Co ltd
Current assignee: Hubei Naika Purification Equipment Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-05
Anticipated expiration: 2031-09-01

Abstract

The application relates to a heatless regeneration adsorption dryer, which comprises a first drying tower, a second drying tower, an adsorbent, a transportation unit and an adjusting unit, wherein the adsorbent is filled in the first drying tower and the second drying tower, the transportation unit comprises a first air inlet pipe, a second air inlet pipe, a first air outlet pipe and a second air outlet pipe, and the first air inlet pipe and the second air inlet pipe are respectively communicated with the bottoms of the first drying tower and the second drying tower; the first air outlet pipe and the second air outlet pipe are respectively communicated with the tops of the first drying tower and the second drying tower; the adjusting unit comprises a first check valve, a second check valve, a third check valve and a fourth check valve which are fixedly arranged on the first air inlet pipe, the second air inlet pipe, the first air outlet pipe and the second air outlet pipe respectively. The application has the following expected technical effects: the compressed air is dried by utilizing the pressure transformation principle.

Description

Heatless regeneration adsorption dryer

Technical Field

The application relates to the technical field of air drying, in particular to a heatless regeneration adsorption dryer.

Background

At present, the compressed air purification industry is an industry which is gradually created and developed faster in China in recent years, and under the situation that the global available resources are increasingly tense, compressed air is generally applied to all industries by taking as a power source, but along with the increasingly fierce market competition, the requirements on the product quality and the manufacturing cost are higher and higher; therefore, the compressed air needs to be purified and dried, and the adsorption dryer dries the compressed air by using the pressure swing adsorption principle. With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the working process of the adsorption dryer, when the regeneration gas carries out moisture, a certain pressure is carried at the outlet end of the regeneration gas, the exhaust speed is high, and the adsorbent is easy to damage.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the adsorbent is easily damaged, the application provides a heatless regeneration adsorption dryer. The application provides a heatless regeneration adsorption dryer adopts following technical scheme: a heatless regeneration adsorption dryer comprises a first drying tower, a second drying tower, an adsorbent, a transportation unit and an adjusting unit, wherein the adsorbent is filled in the first drying tower and the second drying tower, the first drying tower and the second drying tower are arranged at the same horizontal height, the transportation unit comprises an air input pipe and a confluence air outlet pipe, the air input pipe comprises an air inlet end, a first air inlet pipe and a second air inlet pipe which are communicated with each other, the air inlet end is communicated with an external humid air source, the first air inlet pipe is communicated with the bottom of the first drying tower, and the second air inlet pipe is communicated with the bottom of the second drying tower; the confluence air outlet pipe comprises a first air outlet pipe, a second air outlet pipe and an air outlet end, the air outlet end is used for releasing dry air, the first air outlet pipe is communicated with the top of the first drying tower, and the second air outlet pipe is communicated with the top of the second drying tower; the adjusting unit comprises a first one-way valve, a second one-way valve, a third one-way valve and a fourth one-way valve, the first one-way valve is fixedly installed on the first air inlet pipe, the first one-way valve is used for limiting air to flow back into the air inlet end from the first drying tower, the second one-way valve is fixedly installed on the second air inlet pipe, the second one-way valve is used for limiting air to flow back into the air inlet end from the second drying tower, the third one-way valve is fixedly installed on the first air outlet pipe, the third one-way valve is used for limiting air to flow back into the first drying tower from the air outlet end, the fourth one-way valve is fixedly installed on the second air outlet pipe, and the fourth one-way valve is used for limiting air to flow back into the second drying tower from the air outlet end. Through adopting above-mentioned technical scheme, open first check valve and second check valve, close third check valve and fourth check valve, during moist air pressurization enters into first drying tower and second drying tower from the inlet end, moisture in the adsorbent adsorbs the air, reopen third check valve and fourth check valve, and the air after the drying enters into the gassing end from first drying tower and second drying tower. Optionally, the transportation unit further includes an adjusting pipe, one end of the adjusting pipe is communicated with the first air outlet pipe at a position between the first drying tower and the third one-way valve, and the other end of the adjusting pipe is communicated with the second air outlet pipe at a position between the second drying tower and the fourth one-way valve. By adopting the technical scheme, the first one-way valve is opened, the second one-way valve, the third one-way valve and the fourth one-way valve are closed, moist air is pressurized and enters the first drying tower from the air inlet end, the adsorbent adsorbs moisture in the air, the moisture on the adsorbent enters the second drying tower from the adjusting pipe, the third one-way valve is opened again, the dried air enters the air outlet end from the first drying tower, similarly, the second one-way valve is opened, the first one-way valve, the third one-way valve and the fourth one-way valve are closed, the moist air is pressurized and enters the second drying tower from the air inlet end, the adsorbent adsorbs the moisture in the air, the moisture on the adsorbent enters the first drying tower from the adjusting pipe, the fourth one-way valve is opened again, the dried air enters the air outlet end from the second drying tower, and the adsorbent is recycled. Optionally, the adjusting unit further comprises an adjustable valve, and the adjustable valve is fixedly mounted on the adjusting pipe. By adopting the technical scheme, the opening range of the adjustable valve can be adjusted, the desorption speed of the moisture on the adsorbent can be regulated, the adsorbent can be protected, and the service life of the adsorbent is prolonged. Optionally, the transportation unit further includes a release pipe, one end of the release pipe is communicated with the first air inlet pipe at a position between the first drying tower and the first one-way valve, and the other end of the release pipe is communicated with the second air inlet pipe at a position between the second drying tower and the second one-way valve. Through adopting above-mentioned technical scheme, moisture in first drying tower and the second drying tower is along with drying number of times increases and become many, can influence drying effect, adds the moisture that the release pipe can release in first drying tower and the second drying tower. Optionally, the gas-water separator is further included, and the gas-water separator is fixedly installed in the middle of the release pipe. Through adopting above-mentioned technical scheme, the air blows moisture to the release pipe in, and air and moisture still have the mixture, add deareator separation air and moisture and release the air again, can make the air drier a little. Optionally, the regulating unit still includes fifth check valve and sixth check valve, fifth check valve fixed mounting in on the release pipe deareator with position department between the first drying tower, the fifth check valve is used for restricting the air and follows deareator flows back in the first drying tower, sixth check valve fixed mounting in on the release pipe deareator with position department between the second drying tower, the second check valve is used for restricting the air and follows deareator flows back in the second drying tower. Through adopting above-mentioned technical scheme, add fifth check valve and sixth check valve and can have planned release moisture, the fifth check valve is closed, can stabilize the pressure boost in the first drying tower, and the sixth check valve is closed, can stabilize the pressure boost in the second drying tower. Optionally, the liquid crystal display device further comprises a PLC liquid crystal display controller, and the PLC liquid crystal display controller is electrically connected to the first check valve, the second check valve, the third check valve, the fourth check valve, the fifth check valve, the sixth check valve and the adjustable valve. Through adopting above-mentioned technical scheme, first check valve, second check valve, third check valve, fourth check valve, fifth check valve, sixth check valve and adjustable valve of PLC LCD controller intelligent control, degree of automation is high, easily controls and later maintenance. Optionally, the adsorbent is activated alumina. By adopting the technical scheme, the activated alumina has selective adsorption capacity on gas, water vapor and moisture of certain liquid. After the adsorption is saturated, the water can be removed to obtain the adsorption capacity again, and the water can be recycled. Optionally, the drying device further comprises a frame, wherein the frame is composed of a plurality of channel steel, the first drying tower and the second drying tower are fixedly installed on the frame, at least three connecting positions are arranged between the first drying tower and the frame, and at least three connecting positions are arranged between the second drying tower and the frame. Through adopting above-mentioned technical scheme, the frame provides stable mounted position for first drying tower and second drying tower, and the channel-section steel is common material, easily purchases, and is with low costs, simple to operate. In summary, the present application includes at least one of the following beneficial technical effects: opening a first one-way valve and a second one-way valve, closing a third one-way valve and a fourth one-way valve, pressurizing moist air to enter a first drying tower and a second drying tower from an air inlet end, adsorbing moisture in the air by an adsorbent, opening the third one-way valve and the fourth one-way valve, and allowing the dried air to enter an air outlet end from the first drying tower and the second drying tower; and 2, opening the first one-way valve, closing the second one-way valve, the third one-way valve and the fourth one-way valve, pressurizing moist air to enter the first drying tower from the air inlet end, adsorbing moisture in the air by using the adsorbent, entering the second drying tower from the adjusting pipe, then opening the third one-way valve, allowing the dried air to enter the air outlet end from the first drying tower, similarly, opening the second one-way valve, closing the first one-way valve, the third one-way valve and the fourth one-way valve, pressurizing moist air to enter the second drying tower from the air inlet end, adsorbing moisture in the air by using the adsorbent, allowing the moisture in the adsorbent to enter the first drying tower from the adjusting pipe, then opening the fourth one-way valve, allowing the dried air to enter the air outlet end from the second drying tower, and recycling the adsorbent.

Drawings

Fig. 1 is a schematic structural diagram of a heatless regeneration adsorption dryer according to an embodiment of the present application. Fig. 2 is a schematic diagram of a heatless regenerative adsorption dryer according to an embodiment of the present disclosure. Description of reference numerals: 1. a first drying tower; 2. a second drying tower; 3. an adsorbent; 4. a transport unit; 41. an air input pipe; 411. a first intake pipe; 412. a second intake pipe; 42. a conflux air outlet pipe; 421. a first air outlet pipe; 422. a second air outlet pipe; 43. an adjusting tube; 44. a release tube; 5. an adjustment unit; 51. a first check valve; 52. a second one-way valve; 53. a third check valve; 54. a fourth check valve; 55. a fifth check valve; 56. a sixth check valve; 57. an adjustable valve; 6. a PLC liquid crystal screen controller; 7. a frame; 8. a gas-water separator.

Detailed Description

The present application is described in further detail below with reference to figures 1-2. The embodiment of the application discloses a heatless regeneration adsorption dryer. Referring to fig. 1 and 2, the heatless regenerative adsorption dryer includes a first drying tower 1, a second drying tower 2, an adsorbent 3, a transportation unit 4, an adjusting unit 5, a PLC lcd controller 6, a frame 7, and an air-water separator 8, wherein the adsorbent 3 is filled in the first drying tower 1 and the second drying tower 2, the first drying tower 1 and the second drying tower 2 are arranged at the same horizontal height, the transportation unit 4 includes an air input pipe 41 and a confluence air outlet pipe 42, the air input pipe 41 includes an air inlet end, a first air inlet pipe 411 and a second air inlet pipe 412 which are communicated with each other, the air inlet end is communicated with an external humid air source, the first air inlet pipe 411 is communicated with the bottom of the first drying tower 1, and the second air inlet pipe 412 is communicated with the bottom of the second drying tower 2; the confluence air outlet pipe 42 comprises a first air outlet pipe 421, a second air outlet pipe 422 and an air outlet end, wherein the air outlet end is used for releasing the drying air, the first air outlet pipe 421 is communicated with the top of the first drying tower 1, and the second air outlet pipe 422 is communicated with the top of the second drying tower 2; the adjusting unit 5 comprises a first one-way valve 51, a second one-way valve 52, a third one-way valve 53 and a fourth one-way valve 54, the first one-way valve 51 is fixedly installed on the first air inlet pipe 411, the first one-way valve 51 is used for limiting air to flow back from the first drying tower 1 to the air inlet end, the second one-way valve 52 is fixedly installed on the second air inlet pipe 412, the second one-way valve 52 is used for limiting air to flow back from the second drying tower 2 to the air inlet end, the third one-way valve 53 is fixedly installed on the first air outlet pipe 421, the third one-way valve 53 is used for limiting air to flow back from the air outlet end to the first drying tower 1, the fourth one-way valve 54 is fixedly installed on the second air outlet pipe 422, and the fourth one-way valve 54 is used for limiting air to flow back from the air outlet end to the second drying tower 2. The frame 7 comprises many channel-section steels welding, and the material of first drying tower 1 and second drying tower 2 is the stainless steel, and first drying tower 1 and second drying tower 2 fixed mounting respectively have a welded connection department in front, back and the side between first drying tower 1 and the frame 7 on frame 7, and front, back and the side between second drying tower 2 and the frame 7 respectively have a welded connection department. Frame 7 provides stable mounted position for first drying tower 1 and second drying tower 2, and the channel-section steel is common material, easily purchases, and is with low costs, simple to operate. The transportation unit 4 further comprises an adjusting pipe 43, one end of the adjusting pipe 43 is communicated with a position on the first air outlet pipe 421 between the first drying tower 1 and the third one-way valve 53, and the other end of the adjusting pipe 43 is communicated with a position on the second air outlet pipe 422 between the second drying tower 2 and the fourth one-way valve 54. The regulating unit 5 further comprises an adjustable valve 57, the adjustable valve 57 being fixedly mounted on the regulating tube 43. Opening the first one-way valve 51, closing the second one-way valve 52, the third one-way valve 53 and the fourth one-way valve 54, pressurizing moist air to enter the first drying tower 1 from the air inlet end, adsorbing moisture in the air by the adsorbent 3, entering moisture on the adsorbent 3 into the second drying tower 2 from the adjusting pipe 43, opening the third one-way valve 53, and introducing the dried air into the air outlet end from the first drying tower 1, similarly, opening the second one-way valve 52, closing the first one-way valve 51, the third one-way valve 53 and the fourth one-way valve 54, pressurizing moist air to enter the second drying tower 2 from the air inlet end, adsorbing moisture in the air by the adsorbent 3, introducing moisture on the adsorbent 3 into the first drying tower 1 from the adjusting pipe 43, opening the fourth one-way valve 54, introducing the dried air into the air outlet end from the second drying tower 2, and recycling the adsorbent 3. The opening range of the adjustable valve 57 can be adjusted, the desorption speed of the moisture on the adsorbent 3 can be adjusted, the adsorbent 3 can be protected, and the service life of the adsorbent 3 can be prolonged. The transport unit 4 further includes a release pipe 44, one end of the release pipe 44 is communicated with a position between the first drying tower 1 and the first check valve 51 on the first intake pipe 411, and the other end of the release pipe 44 is communicated with a position between the second drying tower 2 and the second check valve 52 on the second intake pipe 412. The gas-water separator 8 is fixedly installed at the middle position of the release pipe 44. The moisture in the first drying tower 1 and the second drying tower 2 increases as the number of drying times increases, which affects the drying effect, and the addition of the release pipe 44 can release the moisture in the first drying tower 1 and the second drying tower 2. The air blows moisture into the releasing pipe 44, the air and the moisture are still mixed, and the air-water separator 8 is additionally arranged to separate the air and the moisture and then release the air, so that the air can be drier. The adjusting unit 5 further includes a fifth check valve 55 and a sixth check valve 56, the fifth check valve 55 is fixedly installed on the release pipe 44 at a position between the gas-water separator 8 and the first drying tower 1, the fifth check valve 55 is used to restrict the backflow of air from the gas-water separator 8 into the first drying tower 1, the sixth check valve 56 is fixedly installed on the release pipe 44 at a position between the gas-water separator 8 and the second drying tower 2, and the second check valve 52 is used to restrict the backflow of air from the gas-water separator 8 into the second drying tower 2. The fifth one-way valve 55 and the sixth one-way valve 56 are additionally arranged, moisture can be released in a planned mode, the fifth one-way valve 55 is closed, pressurization can be stably performed in the first drying tower 1, the sixth one-way valve 56 is closed, and pressurization can be stably performed in the second drying tower 2. The PLC liquid crystal screen controller 6 is fixedly installed between the first drying tower 1 and the second drying tower 2 and located on the front surface of the frame 7, and the PLC liquid crystal screen controller 6 is electrically connected to the first check valve 51, the second check valve 52, the third check valve 53, the fourth check valve 54, the fifth check valve 55, the sixth check valve 56 and the adjustable valve 57. The PLC liquid crystal screen controller 6 intelligently controls the first one-way valve 51, the second one-way valve 52, the third one-way valve 53, the fourth one-way valve 54, the fifth one-way valve 55, the sixth one-way valve 56 and the adjustable valve 57, all the one-way valves adopt solenoid valves of a German vehicle coil, the adjustable valve 57 adopts a high-performance pneumatic valve, the faults of air leakage or valve blocking and the like caused by valve performance can be avoided, the automation degree is high, and the control and the later maintenance are easy. The adsorbent 3 is activated alumina. Activated alumina has a selective adsorption capacity for gases, water vapor and some liquids. After the adsorption is saturated, the water can be removed to obtain the adsorption capacity again, and the water can be recycled. The implementation principle of the heatless regeneration adsorption dryer in the embodiment of the application is as follows: the first check valve 51 and the second check valve 52 are opened, the third check valve 53 and the fourth check valve 54 are closed, the humid air is pressurized to enter the first drying tower 1 and the second drying tower 2 from the air inlet end, the adsorbent 3 adsorbs moisture in the air, the third check valve 53 and the fourth check valve 54 are opened, and the dried air enters the air outlet end from the first drying tower 1 and the second drying tower 2. The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a no heat regeneration adsorption dryer which characterized in that: comprises a first drying tower (1), a second drying tower (2), an adsorbent (3), a transportation unit (4) and a regulating unit (5),

the adsorbent (3) is filled in the first drying tower (1) and the second drying tower (2), the first drying tower (1) and the second drying tower (2) are arranged at the same horizontal height, the drying device further comprises a rack (7), the rack (7) is composed of a plurality of channel steel, the first drying tower (1) and the second drying tower (2) are fixedly installed on the rack (7), at least three connecting positions are arranged between the first drying tower (1) and the rack (7), and at least three connecting positions are arranged between the second drying tower (2) and the rack (7);

the transportation unit (4) comprises an air input pipe (41) and a confluence air outlet pipe (42), the air input pipe (41) comprises an air inlet end, a first air inlet pipe (411) and a second air inlet pipe (412) which are communicated with each other, the air inlet end is communicated with an external humid air source, the first air inlet pipe (411) is communicated with the bottom of the first drying tower (1), and the second air inlet pipe (412) is communicated with the bottom of the second drying tower (2); the confluence air outlet pipe (42) comprises a first air outlet pipe (421), a second air outlet pipe (422) and an air discharging end which are communicated with each other, the air discharging end is used for releasing dry air, the first air outlet pipe (421) is communicated with the top of the first drying tower (1), and the second air outlet pipe (422) is communicated with the top of the second drying tower (2);

the adjusting unit (5) comprises a first one-way valve (51), a second one-way valve (52), a third one-way valve (53) and a fourth one-way valve (54), the first one-way valve (51) is fixedly arranged on the first air inlet pipe (411), the first one-way valve (51) is used for limiting air to flow back from the first drying tower (1) to the air inlet end, the second one-way valve (52) is fixedly arranged on the second air inlet pipe (412), the second one-way valve (52) is used for limiting air to flow back from the second drying tower (2) to the air inlet end, the third one-way valve (53) is fixedly arranged on the first air outlet pipe (421), the third one-way valve (53) is used for limiting air to flow back from the air outlet end to the first drying tower (1), and the fourth one-way valve (54) is fixedly arranged on the second air outlet pipe (421), the fourth one-way valve (54) is used for limiting the air from the air bleeding end to flow back into the second drying tower (2).

2. The non-thermal regeneration adsorption dryer of claim 1, wherein: the transportation unit (4) further comprises an adjusting pipe (43), one end of the adjusting pipe (43) is communicated with the position between the first drying tower (1) and the third one-way valve (53) on the first air outlet pipe (421), and the other end of the adjusting pipe (43) is communicated with the position between the second drying tower (2) and the fourth one-way valve (54) on the second air outlet pipe (422).

3. The non-thermal regeneration adsorption dryer of claim 2, wherein: the adjusting unit (5) further comprises an adjustable valve (57), and the adjustable valve (57) is fixedly installed on the adjusting pipe (43).

4. The non-thermal regeneration adsorption dryer of claim 3, wherein: the transportation unit (4) further comprises a release pipe (44), one end of the release pipe (44) is communicated with the position, between the first drying tower (1) and the first one-way valve (51), on the first air inlet pipe (411), and the other end of the release pipe (44) is communicated with the position, between the second drying tower (2) and the second one-way valve (52), on the second air inlet pipe (412).

5. The non-thermal regeneration adsorption dryer of claim 4, wherein: the gas-water separator is characterized by further comprising a gas-water separator (8), wherein the gas-water separator (8) is fixedly arranged in the middle of the release pipe (44).

6. The non-thermal regeneration adsorption dryer of claim 5, wherein: regulating unit (5) still includes fifth check valve (55) and sixth check valve (56), fifth check valve (55) fixed mounting in release pipe (44) on deareator (8) with position department between first drying tower (1), fifth check valve (55) are used for restricting the air from deareator (8) flow back in first drying tower (1), sixth check valve (56) fixed mounting in release pipe (44) on deareator (8) with position department between second drying tower (2), second check valve (52) are used for restricting the air follow deareator (8) flow back in second drying tower (2).

7. The non-thermal regeneration adsorption dryer of claim 6, wherein: the liquid crystal display control system is characterized by further comprising a PLC (programmable logic controller) liquid crystal display controller (6), wherein the PLC liquid crystal display controller (6) is electrically connected with the first one-way valve (51), the second one-way valve (52), the third one-way valve (53), the fourth one-way valve (54), the fifth one-way valve (55), the sixth one-way valve (56) and the adjustable valve (57).

8. The non-thermal regeneration adsorption dryer of claim 1, wherein: the adsorbent (3) is activated alumina.