CN111905533B

CN111905533B - Waste heat regeneration compressed air dryer

Info

Publication number: CN111905533B
Application number: CN202010795133.8A
Authority: CN
Inventors: 李勤; 徐航东
Original assignee: ZHEJIANG QINCE KONGFEN EQUIPMENT CO Ltd
Current assignee: Hangzhou Perfect Purity Installation Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2022-08-26
Anticipated expiration: 2040-08-10
Also published as: CN111905533A

Abstract

The invention relates to the technical field of air dryers, and discloses a waste heat regeneration compressed air dryer which comprises two drying towers, wherein a first communicating pipe is fixedly communicated between the bottoms of the two drying towers, the front surface of the first communicating pipe is fixedly communicated with an air inlet main pipe, and a recovery outlet pipe and an exhaust communicating pipe are respectively and fixedly communicated between the first communicating pipes. This waste heat regeneration compressed air desicator, through the fixed cover of surface of being responsible for giving vent to anger connect out the gas cover, utilize out gas cover installation baffle, and activity joint slide between two sets of baffles, arc slide top surface can prevent a small amount of adsorbent, make under the cyclic replacement mode, the hot and humid air of part can be in giving vent to anger and be responsible for the department and realize compensating the drying, avoid the drying of part gas not thorough, improve drying effect, improve production quality, avoid the dryness fraction of the gas after the hot and humid air influence before the part, excellent in use effect.

Description

Waste heat regeneration compressed air dryer

Technical Field

The invention relates to the technical field of air dryers, in particular to a waste heat regeneration compressed air dryer.

Background

The existing compressed air drier without heat regeneration and micro-heat regeneration mainly comprises a drying tower, an air inlet reversing valve, an exhaust reversing valve, an electric cabinet and a one-way valve electric heater, wherein wet air from a compressor enters one drying tower through the air inlet reversing valve to perform adsorption drying on the air, the dried air flows out of the drier through the one-way valve, a part of dry air enters the other drying tower through the one-way valve to perform regeneration, and the regenerated air is put into the atmosphere through the exhaust reversing valve.

Present waste heat regeneration compressed air desicator, in the use, because need change into regeneration mode when adsorbent adsorbs nearly saturation, however the system detects and moves the need time, make partial damp and hot air not adsorb completely and discharge to the dry air gas outlet, the damp and hot air after the discharge mixes with exhaust dry air before, make partial damp and hot air effectively dry not, influence gaseous drying quality, can't effectively realize air drying's timely compensation, drying effect is not good, the result of use is poor.

In addition, current waste heat regeneration compressed air desicator, in the use, because dry hot-air or air compressor machine high-temperature air after the air heater heating need be sent back to the drying tower during regeneration adsorbent, and high-temperature hot-air has great velocity of flow, the air of higher velocity of flow blows the adsorbent gradually, make adsorbent part dehydration regeneration broken and pulverization simultaneously, the adsorbent after the breakage is outwards discharged along with humid air, and blow off broken adsorbent, make the adsorbent total amount constantly reduce, follow-up adsorption capacity has been reduced, and the adsorbent total amount after regeneration lasts and reduces, the drying efficiency of air dryer has been reduced, need additionally to supply the adsorbent, improve economic expenditure, the result of use is poor.

On the other hand, current waste heat regeneration compressed air desicator, in the use, the pressure and the temperature measuring instrument of drying tower outside installation continuously expose in the environment, because the dust is more in the environment, along with the extension of live time, the dust of collecting is on the surface of panel board for panel board surface is dirty, has reduced the observation definition of panel board, can't effectively in time acquire accurate data, causes the judgement mistake even, delays operating time.

Disclosure of Invention

The invention provides a waste heat regeneration compressed air dryer which has the advantages of compensating dry air of an air outlet main pipe, recovering a crushing adsorbent and timely cleaning dust on an instrument panel, and solves the problems in the background art.

The invention provides the following technical scheme: the utility model provides a waste heat regeneration compressed air desicator, includes the drying tower, the quantity of drying tower is two, two fixed intercommunication has communicating pipe between the drying tower bottom, the fixed intercommunication in front of communicating pipe has the person in charge that admits air, be fixed intercommunication respectively between communicating pipe has recovery exit tube and exhaust communicating pipe, the fixed intercommunication in back of exhaust communicating pipe has the exhaust person in charge, the inside fixed mounting of communicating pipe, recovery exit tube and exhaust communicating pipe has a valve, a recovery valve and discharge valve respectively, two fixed intercommunication has No. two between the drying tower top, the fixed intercommunication in bottom surface of No. two communicating pipes has the waste heat to advance the pipe, the fixed intercommunication in front of No. two communicating pipes has the person in charge of giving vent to anger, fixed intercommunication respectively has regeneration to advance the pipe and heat to advance the pipe between No. two communicating pipes, regeneration advances the pipe, The inside difference fixed mounting that the heating entered pipe and No. two communicating pipes has regeneration valve, heating valve and No. two valves, the outer fixed surface that the person in charge of giving vent to anger is fixed to be cup jointed out the gas cover, the internal surface fixedly connected with baffle of play gas cover, the quantity of baffle is two, two the activity joint has the slide between the baffle, the top surface fixedly connected with apron of slide, two fixed intercommunication has the heating cabinet between the drying tower, the top surface fixed mounting of heating cabinet has air heater, air heater and heating advance fixed intercommunication have heating communicating pipe between the pipe, fixed intercommunication has the heating exit tube, two between air heater and the heating cabinet the equal fixed mounting in front of drying tower has the panel board.

Preferably, the bottom of the inner surface of the air outlet sleeve is provided with a clamping groove, the bottom surface of the sliding plate is fixedly connected with a clamping plate, and the clamping plate is movably clamped on the inner surface of the clamping groove.

Preferably, the front surface of the baffle is provided with a round hole, the inner side surface of the cover plate is fixedly connected with a round rod, and the outer surface of the round rod is movably sleeved with the round hole.

Preferably, the inner surface of the exhaust sleeve is movably sleeved with a movable sleeve, the outer end of the inner surface of the movable sleeve is fixedly sleeved with filter cloth, and the inner container of the inner surface of the movable sleeve is fixedly sleeved with a limiting ring.

Preferably, the outer end of the inner surface of the exhaust sleeve is in threaded sleeve connection with a threaded pipe, and the outer end of the outer surface of the threaded pipe is fixedly connected with a rotating handle.

Preferably, the outer surface of the instrument panel is fixedly sleeved with an installation sleeve, the front surface and the top surface of the installation sleeve are respectively and fixedly connected with a fixed shaft and a magnetic plate, and the outer surface of the fixed shaft is movably sleeved with a movable ring.

Preferably, the bottom surface of the movable ring is fixedly connected with a cleaning rod, and the length of the cleaning rod is greater than the diameter of the instrument panel.

Preferably, the top surface of the recovery outlet pipe is fixedly communicated with a recovery communicating pipe, the right end of the recovery communicating pipe is fixedly communicated with a water separator, the side surface of the water separator is fixedly communicated with a short pipe, the right side of the short pipe is fixedly communicated with a cooler, and the top end of the cooler is fixedly communicated with a recovery outlet pipe.

Preferably, the operation method of the waste heat regeneration compressed air dryer comprises the following steps;

a first step; inside hot and humid air lets in to the main pipe of admitting air, hot and humid air is responsible for flowing in communicating pipe via admitting air, and open a left side valve and close discharge valve and a recovery valve, hot and humid air gets into in the left side drying tower, hot and humid air becomes dry gas in the left side drying tower, dry gas gets into No. two communicating pipes via the left side drying tower, keep No. two valves in the left side to open and No. two valves in the right side, regeneration valve and heating valve are closed, dry gas gives vent to anger via communicating pipe direction and is responsible for in and finally discharge.

The second step; when the adsorbent in the drying tower of left side is saturated, close the valve on the left side and open the valve on the right side, and close the valve on the left side No. two, open the valve on the right side No. two, when the part is thoroughly dry air via air outlet sleeve, with adsorbent adsorption on the slide plate top surface, the damp and hot air that admits air in the person in charge at this moment leads in the drying tower of right side via a communicating pipe, damp and hot air accomplishes the drying in the drying tower of right side, and discharge dry gas via No. two communicating pipes at the drying tower top of right side.

A third step; opening a left regeneration valve and a left exhaust valve, introducing high-temperature exhaust of an air compressor into a waste heat inlet pipe, leading the high-temperature exhaust to a regeneration inlet pipe through the waste heat inlet pipe, leading the high-temperature exhaust into a left drying tower through a second communicating pipe, regenerating the adsorbent in the left drying tower by high-temperature air, leading the regenerated air into an exhaust communicating pipe through a first communicating pipe, leading the regenerated air into an exhaust main pipe through the exhaust communicating pipe, leading the air entering the exhaust main pipe into an exhaust sleeve, filtering broken adsorbent particles in the air on the inner side of filter cloth and accumulating on the bottom surface of a movable sleeve, and rotating a threaded pipe to horizontally pull out the movable sleeve and recovering the adsorbent when the recovered adsorbent is required to be taken out.

The invention has the following beneficial effects:

1. this waste heat regeneration compressed air desicator, through the fixed cover of surface of being responsible for giving vent to anger connect out the gas cover, utilize out gas cover installation baffle, and activity joint slide between two sets of baffles, a small amount of adsorbent can be placed to arc slide top surface, make under the circulation change mode, the hot and humid air of part can be in giving vent to anger and be responsible for the department and realize compensating the drying, avoid the drying of part gas not thorough, improve drying effect, improve production quality, avoid the dryness fraction of the gas after the hot and humid air influence before the part, excellent in use effect.

2. This waste heat regeneration compressed air dryer cup joints the movable sleeve through the internal surface activity at the exhaust cover to the fixed filter cloth that connects in the outer end of movable sleeve, make the partial broken adsorbent of regeneration adsorbent in-process, filter the inboard at the filter cloth, and realize the collection of broken adsorbent, avoid the adsorbent to follow air escape, avoid additionally purchasing the economic payment that the adsorbent brought, recovery effect when improving the adsorbent regeneration, excellent in use effect.

3. This waste heat regeneration compressed air desicator cup joints the installation cover through the lateral surface is fixed at the panel board to connect the fixed axle in the front of installation cover, utilize the fixed axle activity to cup joint the movable circle, and add the clearance pole in the bottom surface of movable circle, make operating personnel carry out panel board observation time measuring, the convenient rotation clearance pole of initiative realizes the timely clearance of panel board, improves the observation definition of panel board, avoids the judgement mistake, excellent in use effect.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is an exploded view of the structure of the present invention between the air exit sleeve and the slide plate;

fig. 5 is an exploded view of the present invention structure between the exhaust sleeve and the moveable sleeve.

In the figure: 1. a drying tower; 2. a first communicating pipe; 3. a main gas inlet pipe; 4. a recovery pipe; 5. an exhaust communicating pipe; 6. a first valve; 7. a first recovery valve; 8. an exhaust valve; 9. a main exhaust pipe; 10. an exhaust sleeve; 11. a second communicating pipe; 12. an air outlet main pipe; 13. regenerating an inlet pipe; 14. heating the inlet pipe; 15. a second valve; 16. a regeneration valve; 17. a heating valve; 18. an air outlet sleeve; 19. a baffle plate; 20. a slide plate; 21. a cover plate; 22. a round bar; 23. clamping a plate; 24. a card slot; 25. a circular hole; 26. a heating box; 27. an air heater; 28. heating the communicating pipe; 29. heating the pipe to be discharged; 30. a movable sleeve; 31. a filter cloth; 32. a limiting ring; 33. a threaded pipe; 34. rotating the handle; 35. a recycling communicating pipe; 36. a water separator; 37. a short pipe; 38. a cooler; 39. a recovery pipe; 40. waste heat inlet pipe; 41. an instrument panel; 42. installing a sleeve; 43. a fixed shaft; 44. a movable ring; 45. cleaning the rod; 46. a magnetic plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a compressed air dryer with waste heat regeneration comprises two drying towers 1, wherein the number of the drying towers 1 is two, a first communicating pipe 2 is fixedly communicated between the bottoms of the two drying towers 1, the front surface of the first communicating pipe 2 is fixedly communicated with an air inlet main pipe 3, a first communicating pipe 2 is fixedly communicated with a recovery outlet pipe 4 and an exhaust communicating pipe 5, the back surface of the exhaust communicating pipe 5 is fixedly communicated with an exhaust main pipe 9, the interiors of the first communicating pipe 2, the recovery outlet pipe 4 and the exhaust communicating pipe 5 are respectively and fixedly provided with a first valve 6, a first recovery valve 7 and an exhaust valve 8, a second communicating pipe 11 is fixedly communicated between the top ends of the two drying towers 1, the bottom surface of the second communicating pipe 11 is fixedly communicated with a waste heat inlet pipe 40, the front surface of the second communicating pipe 11 is fixedly communicated with an air outlet main pipe 12, a regeneration inlet pipe 13 and a heating inlet pipe 14 are respectively and fixedly communicated between the second communicating pipes 11, a regeneration valve 16, a heating valve 17 and a second valve 15 are respectively and fixedly installed inside the regeneration inlet pipe 13, the heating inlet pipe 14 and the second communicating pipe 11, an air outlet sleeve 18 is fixedly sleeved on the outer surface of the air outlet main pipe 12, a baffle plate 19 is fixedly connected to the inner surface of the air outlet sleeve 18, the number of the baffle plates 19 is two, a sliding plate 20 is movably clamped between the two baffle plates 19, a cover plate 21 is fixedly connected to the top surface of the sliding plate 20, a heating box 26 is fixedly communicated between the two drying towers 1, an air heater 27 is fixedly installed on the top surface of the heating box 26, the air heater 27 is an existing mechanism and is matched with the heating box 26 to realize air heating, heated air is sent into the drying tower 1 on one side to regenerate the adsorbent, a heating communicating pipe 28 is fixedly communicated between the air heater 27 and the heating inlet pipe 14, a heating outlet pipe 29 is fixedly communicated between the air heater 27 and the heating box 26, an instrument panel 41 is fixedly arranged on the front surfaces of the two drying towers 1.

Wherein, the bottom of the internal surface of the air outlet sleeve 18 is provided with a clamping groove 24, the bottom surface of the sliding plate 20 is fixedly connected with a clamping plate 23, the clamping plate 23 is movably clamped on the internal surface of the clamping groove 24, and the clamping groove 24 and the clamping plate 23 are utilized to realize the movable clamping of the sliding plate 20, so that the sliding plate 20 can be taken out.

Wherein, the front of the baffle plate 19 is provided with a round hole 25, the inner side surface of the cover plate 21 is fixedly connected with a round rod 22, the outer surface of the round rod 22 is movably sleeved with the round hole 25, the round hole 25 is movably sleeved with the round rod 22, so that the sliding plate 20 can be stably clamped between the two baffle plates 19 to keep stable, when the regeneration operation and the drying operation are respectively carried out on the two drying towers 1, the two drying towers 1 need to be switched, two groups of regeneration valves 16 and two groups of second valves 15 on the left and the right need to be switched respectively in the switching process, in the switching process, the opening and closing of the second communicating pipe 11 communicated with the two sides of the main air outlet pipe 12 are changed instantly, so that the external air is sucked back into the main air outlet pipe 12, by utilizing the sliding plate 20 additionally arranged at the position of the air outlet main pipe 12 and supplementing a drying agent in the sliding plate 20, the drying of backflow air is realized, and the influence caused by the backflow of the air is reduced.

Wherein, the inner surface activity of exhaust cover 10 has cup jointed the movable sleeve 30, the fixed cover in outer end of movable sleeve 30 internal surface has been connect filter cloth 31, the inner bag of movable sleeve 30 internal surface is fixed to have cup jointed spacing ring 32, utilize spacing ring 32, guarantee that the absorbent that filters and obtains is all located the bottom surface of movable sleeve 30, be convenient for collect, and utilize spacing ring 32 and filter cloth 31's cooperation, make the absorbent that blows off remain in the bottom of movable sleeve 30, in carrying out the exhaust process, moisture in the air that the exhaust was responsible for in 9 was through the absorbent absorption of retrieving again, guarantee the collection of steam in the exhaust is responsible for 9, the broken absorbent of rational utilization, improve the device circulation work income, the movable sleeve is taken out to the level after unscrewing screwed pipe 33, realize shifting out of broken absorbent, can recycle the broken absorbent that the collection was taken out.

Wherein, the outer end screw thread of the internal surface of the exhaust cover 10 is sleeved with the screwed pipe 33, the outer end fixedly connected with of the external surface of the screwed pipe 33 rotates the handle 34, through utilizing the screwed pipe 33 to realize the fixed clamping of the movable sleeve 30, avoid the movable sleeve 30 to be blown out.

Wherein, the fixed cover of having connect with of surface of panel board 41 has the installation cover 42, and the front and the top surface of installation cover 42 are fixedly connected with fixed axle 43 and magnetic sheet 46 respectively, and the surface activity of fixed axle 43 has cup jointed movable ring 44, utilizes magnetic sheet 46 to realize the absorption of clearance pole 45, guarantees that clearance pole 45 is vertical upwards fixed under the non-clearance state, avoids influencing the observation of panel board 41.

Wherein, the bottom surface fixedly connected with clearance pole 45 of movable ring 44, the length of clearance pole 45 is greater than the diameter of panel board 41, and the length of clearance pole 45 is great, is convenient for clear up the surface of panel board 41 completely.

The top surface of the recovery outlet pipe 4 is fixedly communicated with a recovery communicating pipe 35, the right end of the recovery communicating pipe 35 is fixedly communicated with a water separator 36, the side surface of the water separator 36 is fixedly communicated with a short pipe 37, the right side of the short pipe 37 is fixedly communicated with a cooler 38, the top end of the cooler 38 is fixedly communicated with a recovery outlet pipe 39, the water separator 36 and the cooler 38 are existing mechanisms, and when the waste heat air after the adsorbent regeneration is required to be treated and utilized, the water separator 36 is used for separating the moisture in the pipeline, and the cooler is used for absorbing the redundant heat.

The operation method of the waste heat regeneration compressed air dryer comprises the following steps;

a first step; the method comprises the steps of introducing damp and hot air into an air inlet main pipe 3, enabling the damp and hot air to flow into a first communicating pipe 2 through the air inlet main pipe 3, opening a first valve 6 on the left side and closing an exhaust valve 8 and a first recovery valve 7, enabling the damp and hot air to enter a left drying tower 1, enabling the damp and hot air to become dry air in the left drying tower 1, enabling the dry air to enter a second communicating pipe 11 through the left drying tower 1, keeping a second valve 15 on the left side open and a second valve 15 on the right side, closing a regeneration valve 16 and a heating valve 17, and guiding the dry air to an air outlet main pipe 12 through the second communicating pipe 11 and finally discharging the dry air.

A second step; when the adsorbent in the left side drying tower 1 is saturated, close No. 6 valve on the left side and open No. 6 valve on the right side, and close No. 15 valve on the left side, open No. 15 valve on the right side, when the partly for thoroughly dry air is through air outlet sleeve 18, adsorb with the adsorbent on the slide 20 top surface, the damp and hot air in the main pipe 3 that admits air this moment leads to in the right side drying tower 1 through No. 2 communicating pipe, damp and hot air accomplishes the drying in right side drying tower 1, and discharge dry gas through No. two communicating pipe 11 at the top of right side drying tower 1.

A third step; the left regeneration valve 16 and the left exhaust valve 8 are opened, air compressor high-temperature exhaust is introduced into the waste heat inlet pipe 40, the high-temperature exhaust flows to the regeneration inlet pipe 13 through the waste heat inlet pipe 40 and is introduced into the left drying tower 1 through the second communicating pipe 11, the adsorbent is regenerated by the high-temperature air in the left drying tower 1, the regenerated air is introduced into the exhaust communicating pipe 5 through the first communicating pipe 2 and is introduced into the exhaust main pipe 9 through the exhaust communicating pipe 5, the air entering the exhaust main pipe 9 enters the exhaust sleeve 10, broken adsorbent particles in the air are filtered on the inner side of the filter cloth 31 and are accumulated on the bottom surface of the movable sleeve 30, and when the recovered adsorbent needs to be taken out, the threaded pipe 33 is rotated, the movable sleeve 30 is horizontally pulled out, and the adsorbent is recovered.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waste heat regeneration compressed air desicator, includes drying tower, its characterized in that: the quantity of drying tower is two, two it has communicating pipe to be fixed the intercommunication between the drying tower bottom, the fixed intercommunication in front of communicating pipe has the person in charge that admits air, it has recovery exit tube and exhaust communicating pipe to be fixed the intercommunication respectively between communicating pipe, the fixed intercommunication in back of exhaust communicating pipe has the exhaust person in charge, the inside of communicating pipe, recovery exit tube and exhaust communicating pipe is fixed respectively has a valve, a recovery valve and discharge valve, two it has No. two communicating pipe to be fixed the intercommunication between the drying tower top, the bottom surface of No. two communicating pipe is fixed the intercommunication has the waste heat to advance the pipe, the fixed intercommunication in front of No. two communicating pipe has the person in charge of giving vent to anger, it advances the pipe to be fixed the intercommunication respectively between No. two communicating pipes and adds the pipe with the heating, the inside of regeneration is advanced pipe, adds the pipe and No. two communicating pipe and is fixed the installation respectively has regeneration valve, The air outlet main pipe is fixedly sleeved with an air outlet sleeve, the inner surface of the air outlet sleeve is fixedly connected with two baffles, a sliding plate is movably clamped between the two baffles, the top surface of the sliding plate is fixedly connected with a cover plate, a heating box is fixedly communicated between the two drying towers, the top surface of the heating box is fixedly provided with an air heater, a heating communicating pipe is fixedly communicated between the air heater and a heating inlet pipe, a heating outlet pipe is fixedly communicated between the air heater and the heating box, and the front surfaces of the two drying towers are both fixedly provided with an instrument panel; the bottom of the inner surface of the air outlet sleeve is provided with a clamping groove, the bottom surface of the sliding plate is fixedly connected with a clamping plate, the clamping plate is movably clamped on the inner surface of the clamping groove, a round hole is formed in the front surface of the baffle, a round rod is fixedly connected to the inner side surface of the cover plate, the outer surface of the round rod is movably sleeved with the round hole, when the two drying towers are subjected to regeneration operation and drying operation respectively, switching of the two drying towers is required, two groups of regeneration valves and two groups of two valves are required to be switched respectively in the switching process, and in the switching process, the opening and closing of a communicating pipe of the two communicated sides of the air outlet main pipe are instantly changed, so that external air is reversely sucked into the air outlet main pipe, the sliding plate is additionally arranged at the air outlet main pipe, drying agents are supplemented in the sliding plate, backflow air drying is realized, and influence caused by backflow of air is reduced.

2. The waste heat regeneration compressed air dryer of claim 1, wherein: the exhaust cover is arranged on the exhaust main pipe, the movable cover is sleeved on the inner surface of the exhaust cover in a movable mode, the filter cloth is fixedly sleeved at the outer end of the inner surface of the movable cover, the limiting ring is fixedly sleeved on the inner container of the inner surface of the movable cover, the limiting ring is utilized, it is guaranteed that all adsorbents obtained through filtering are located on the bottom surface of the movable cover, collection is facilitated, cooperation of the limiting ring and the filter cloth is utilized, blown-out adsorbents are reserved at the bottom of the movable cover, in the exhaust process, moisture in air passing through the exhaust main pipe is adsorbed through the recovered adsorbents, collection of water vapor in the exhaust main pipe is guaranteed, broken adsorbents are reasonably utilized, device circulation work income is improved, the movable cover is horizontally taken out after the threaded pipe is screwed out, shifting-out of the broken adsorbents is achieved, and the collected broken adsorbents can be reused.

3. The waste heat regeneration compressed air dryer of claim 1, wherein: the outer end of the inner surface of the exhaust sleeve is in threaded sleeve connection with a threaded pipe, and the outer end of the outer surface of the threaded pipe is fixedly connected with a rotating handle.

4. The waste heat regeneration compressed air dryer of claim 1, wherein: the outer surface of the instrument panel is fixedly sleeved with an installation sleeve, the front surface and the top surface of the installation sleeve are respectively and fixedly connected with a fixed shaft and a magnetic plate, and the outer surface of the fixed shaft is movably sleeved with a movable ring.

5. The waste heat regeneration compressed air dryer of claim 4, wherein: the bottom surface fixedly connected with clearance pole of activity circle, the length of clearance pole is greater than the diameter of panel board.

6. The waste heat regeneration compressed air dryer of claim 1, wherein: the top surface of the recovery outlet pipe is fixedly communicated with a recovery communicating pipe, the right end of the recovery communicating pipe is fixedly communicated with a water separator, the side surface of the water separator is fixedly communicated with a short pipe, the right side of the short pipe is fixedly communicated with a cooler, and the top end of the cooler is fixedly communicated with the recovery outlet pipe.