CN216047746U

CN216047746U - Three-bed type regenerative oxidation furnace with heat recycling function

Info

Publication number: CN216047746U
Application number: CN202121938490.1U
Authority: CN
Inventors: 曹正; 棣超
Original assignee: Qingdao Haocheng Environmental Protection Technology Co ltd
Current assignee: Qingdao Haocheng Environmental Protection Technology Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-15
Anticipated expiration: 2031-08-18

Abstract

The utility model belongs to the technical field of oxidation furnaces, and discloses a heat-recycling three-bed type heat-storage oxidation furnace which comprises a base, wherein a fixed frame is fixedly installed at the left end of the upper surface of the base, a supporting frame is fixedly installed at the bottom of an inner cavity of the fixed frame, and a heating furnace is fixedly installed on the upper surface of the supporting frame. According to the utility model, by arranging the heating furnace, the preheating furnace and the dormant furnace, when the heating furnace works, the interior of the heating furnace can be heated to enable the interior temperature to reach the decomposition temperature of the organic waste gas, the organic waste gas is decomposed, then the heated gas can enter the preheating furnace and the dormant furnace through the communicating pipe and the bent pipe, the preheating treatment is carried out on the preheating furnace and the dormant furnace, when the heating furnace stops working, the preheated preheating furnace can quickly raise the interior temperature to the decomposition temperature for decomposition work, and then the heating furnace and the dormant furnace are preheated, so that the interior heat of the decomposed gas in the furnace can preheat other dormant furnace bodies.

Description

Three-bed type regenerative oxidation furnace with heat recycling function

Technical Field

The utility model belongs to the technical field of oxidation furnaces, and particularly relates to a heat-recycling three-bed type heat-storage oxidation furnace.

Background

In industrial production, some organic waste gases are generated, a plurality of harmful substances exist in the organic waste gases, the waste gases are strictly controlled and cannot be directly discharged into the atmosphere, the waste gases need to be treated to reach emission limit and then can be discharged, the waste gases generated in industrial production can be subjected to heat treatment by the three-bed heat-storage oxidation furnace, the organic waste gases are decomposed in a high-temperature environment of about seven hundred fifty degrees, the decomposition products are carbon dioxide and water, and the decomposition products cannot pollute the environment and can be directly discharged.

In industrial production, mechanical equipment often needs to operate all the time to guarantee the productivity, thermal oxidation stove needs to keep certain high temperature for a long time and carries out the decomposition work, and organic gas leads to its chemical property more lively under the condition of high temperature, and then probably corrode the inside of heating furnace, therefore long-time incessant operation can lead to the life greatly reduced of heating furnace, in order to guarantee the life of heat accumulation heating furnace, the heating furnace needs the work of intermittent type formula, and when the heating furnace stop work, its furnace temperature can reduce fast, need heat the furnace body again when working once more, because the heat accumulation oxidation stove does not possess thermal cycle's function, lead to its reheating and need consume extra heat energy and heat the furnace body, make running cost improve greatly.

The heat accumulation oxidation furnace is after the completion is decomposed organic waste gas, the gas that needs to decompose the completion is discharged through the chimney, and the chimney of heat accumulation oxidation furnace is after long-time the use, its inside can save and adsorb a large amount of dusts, in order to guarantee the normal operating of chimney, need regularly clear up the chimney, and it does not possess the function of clearing up the inside dust of chimney itself of current heat accumulation oxidation furnace, the condition that the chimney that leads to heat accumulation oxidation furnace takes place the jam very easily, make gas discharge efficiency greatly reduced, the use that still gives operating personnel has brought the inconvenience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a heat-recycling three-bed type heat-accumulating oxidation furnace which has the advantages of effective heat circulation and convenient dust removal of a chimney.

In order to achieve the purpose, the utility model provides the following technical scheme: a three-bed type regenerative thermal oxidation furnace with heat recycling comprises a base, wherein a fixed frame is fixedly mounted at the left end of the upper surface of the base, a support frame is fixedly mounted at the bottom of an inner cavity of the fixed frame, a heating furnace is fixedly mounted at the upper surface of the support frame, a communicating pipe is fixedly communicated with the right end of the heating furnace, a preheating furnace is fixedly communicated with the lower part of the communicating pipe, a bent pipe is fixedly communicated with the lower part of the preheating furnace, a dormant furnace is fixedly communicated with the left end of the bent pipe, a circular pipe is fixedly communicated with the upper part of the dormant furnace, when the heating furnace is used for heating and decomposing organic waste gas, the gas heated and decomposed inside the heating furnace and the dormant furnace can enter the preheating furnace and the dormant furnace through the communicating pipe and the bent pipe, the heat inside the gas can preheat the preheating furnace and the dormant furnace, and the incompletely decomposed organic waste gas can be conveyed into the heating furnace for re-decomposition by the circular pipe, so that the organic waste gas can be decomposed and finished, and then the exhaust gas can reach the emission standard of the pollution gas, when the heating furnace needs to stop working and sleep, the preheating furnace which is preheated can rapidly increase the temperature in the cavity to the decomposition temperature, and then the heating furnace, the preheating furnace and the sleep furnace can alternately run, so that the equipment can always run under the condition of ensuring the service life of the equipment, and the heat in the treated waste gas is utilized, therefore, the thermal cycle of the equipment is finished, the running cost of the equipment is reduced, the upper part of the circular tube is fixedly communicated with the left end of the heating furnace, the lower surfaces of the preheating furnace and the sleep furnace are fixedly connected with the upper surface of the supporting frame, the tops of the heating furnace, the preheating furnace and the sleep furnace are fixedly communicated with air inlet pipes, and the other ends of the air inlet pipes penetrate through the fixed frame and extend to the top of the fixed frame, the bottom of heating furnace, preheater and dormancy stove all is fixed the intercommunication has the outlet duct, the other end of outlet duct runs through the top of support frame and extends to the outside of support frame, the inside fixed mounting of outlet duct has the valve, because the design of valve, can control the inside intercommunication of heating furnace, preheater and dormancy stove and gas holder or close, and then has made things convenient for the inside gaseous discharge respectively of heating furnace, preheater and dormancy stove.

As a preferable technical scheme of the utility model, the bottom of the gas outlet pipe is fixedly communicated with a gas storage tank, the right end of the gas storage tank is fixedly communicated with an exhaust pipe, due to the design of the gas storage tank, the gas exhausted from the heating furnace, the preheating furnace and the dormant furnace can be stored, and due to the design of the exhaust pipe, the gas can enter the gas storage tank and then is conveyed into the gas supply pipe through the fan.

In a preferred embodiment of the present invention, a blower is fixedly connected to the right end of the suction pipe, a gas supply pipe is fixedly connected to the top of the blower, the blower is a conventional device, and the type of the blower is suitable for CZR-LY60 series, and due to the design of the blower, the blower can draw gas stored in the gas storage tank and then deliver the gas to the inside of the fixed block through the gas supply pipe.

As a preferred technical scheme of the utility model, a fixing frame is fixedly arranged at the right end of the upper surface of the base, a fixed block is fixedly arranged on the upper surface of the fixing frame, the left end of the fixed block is fixedly communicated with the right end of the air supply pipe, a top cover is fixedly arranged at the top of the fixed block, and a round hole is formed in the top of the fixed block.

As a preferred technical scheme of the utility model, the right end of the upper surface of the base is fixedly provided with a mounting motor positioned right below a fixed block, the other end of the output shaft of the mounting motor is fixedly sleeved with a threaded rod, the other end of the threaded rod penetrates through the fixed frame and the fixed block and is movably sleeved with the inner wall of the top of the fixed block, due to the design of the mounting motor, when the mounting motor is started, the threaded rod rotates, and then the square block moves up and down under the limiting action of the fixed block.

According to a preferable technical scheme of the utility model, the outer surface of the threaded rod is sleeved with the square block in a threaded manner, the outer surface of the square block is fixedly sleeved with the scraper, the outer surfaces of the square block and the scraper are movably connected with the inner surface of the fixed block, the outer surface of the scraper is smooth and matched with the inner surface of the fixed block, and due to the design of the scraper, when the square block moves up and down under the rotation of the threaded rod, the scraper can scrape off dust accumulated on the inner wall of the fixed block, so that the fixed block is prevented from being blocked by the dust which is attached and accumulated.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the heating furnace, the preheating furnace and the dormant furnace, when the heating furnace works, the interior of the heating furnace can be heated to enable the interior temperature to reach the decomposition temperature of the organic waste gas, the organic waste gas is decomposed, then the heating gas can enter the preheating furnace and the dormant furnace through the communicating pipe and the bent pipe, the preheating treatment is carried out on the preheating furnace and the dormant furnace, when the heating furnace stops working, the preheated preheating furnace can rapidly raise the interior temperature to the decomposition temperature for decomposition work, and then the heating furnace and the dormant furnace are preheated, so that the interior heat of the decomposed gas in the furnace can preheat other dormant furnace bodies, further the preheating energy when the dormant furnace body is started is saved, the effective heat circulation of the furnace body is achieved, and the decomposition cost is greatly reduced.

2. According to the utility model, the mounting motor, the square block and the scraper are arranged, when the mounting motor is started, the threaded rod can rotate, then the square block can move up and down under the limiting action of the fixing block, and then the scraper can move up and down under the driving of the square block to scrape off dust on the inner wall of the fixing block, so that the dust is effectively prevented from being attached and accumulated in the fixing block to cause blockage, and the exhaust work of the device is influenced.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the front side of the present invention;

FIG. 3 is a schematic sectional view from above of the present invention;

FIG. 4 is a schematic cross-sectional view of the side of the fixing block of the present invention;

fig. 5 is a schematic view of the enlarged structure of a portion a in fig. 3 according to the present invention.

In the figure: 1. a base; 2. a fixing frame; 3. a support frame; 4. heating furnace; 5. a communicating pipe; 6. preheating a furnace; 7. bending the pipe; 8. a dormancy furnace; 9. a circular tube; 10. entering an air pipe; 11. an air outlet pipe; 12. a valve; 13. a gas storage tank; 14. an air exhaust pipe; 15. a fan; 16. an air supply pipe; 17. a fixed mount; 18. a fixed block; 19. a top cover; 20. installing a motor; 21. a threaded rod; 22. a circular hole; 23. a square block; 24. a scraper.

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.

As shown in figures 1 to 5, the utility model provides a heat-recycling three-bed type regenerative thermal oxidation furnace, which comprises a base 1, wherein a fixed frame 2 is fixedly arranged at the left end of the upper surface of the base 1, a support frame 3 is fixedly arranged at the bottom of the inner cavity of the fixed frame 2, a heating furnace 4 is fixedly arranged on the upper surface of the support frame 3, a communicating pipe 5 is fixedly communicated with the right end of the heating furnace 4, a preheating furnace 6 is fixedly communicated with the lower part of the communicating pipe 5, a bent pipe 7 is fixedly communicated with the lower part of the preheating furnace 6, a dormant furnace 8 is fixedly communicated with the left end of the bent pipe 7, a round pipe 9 is fixedly communicated with the upper part of the dormant furnace 8, due to the design of the heating furnace 4, the preheating furnace 6 and the dormant furnace 8, when the heating furnace 4 is used for heating and decomposing organic waste gas, the gas heated and decomposed in the heating furnace can enter the preheating furnace 6 and the dormant furnace 8 through the communicating pipe 5 and the bent pipe 7, and the heat in the gas can preheat the preheating furnace 6 and the dormant furnace 8, then the circular tube 9 will decompose incomplete organic waste gas and convey it into the heating furnace 4 to decompose again, so that the organic waste gas can be decomposed, and then the exhaust gas can reach the emission standard of the pollution gas, when the heating furnace 4 needs to stop working and sleep, the preheating furnace 6 after preheating can rapidly raise the temperature in the cavity to the decomposition temperature, and then the heating furnace 4, the preheating furnace 6 and the sleep furnace 8 can run alternatively, so that the equipment can run all the time under the condition of ensuring the service life of the equipment, and the heat in the waste gas after processing is utilized, therefore, the thermal cycle of the equipment is completed, the running cost of the equipment is reduced, the upper part of the circular tube 9 is fixedly communicated with the left end of the heating furnace 4, the lower surfaces of the preheating furnace 6 and the sleep furnace 8 are fixedly connected with the upper surface of the supporting frame 3, the top parts of the heating furnace 4, the preheating furnace 6 and the sleep furnace 8 are fixedly communicated with the gas inlet tube 10, go into the other end of trachea 10 and run through fixed frame 2 and extend to the top of fixed frame 2, heating furnace 4, the equal fixed intercommunication in bottom of preheater 6 and dormancy stove 8 has outlet duct 11, the other end of outlet duct 11 runs through the top of support frame 3 and extends to the outside of support frame 3, the inside fixed mounting of outlet duct 11 has valve 12, because valve 12's design, can control heating furnace 4,

preheater

6 and 8 inside and gas holder 13's inside intercommunication of dormancy stove or close, and then made things convenient for heating furnace 4, the inside gaseous difference discharge of preheater 6 and dormancy stove 8.

The bottom of the gas outlet pipe 11 is fixedly communicated with a gas storage tank 13, the right end of the gas storage tank 13 is fixedly communicated with a gas extraction pipe 14, the gas exhausted from the heating furnace 4, the preheating furnace 6 and the dormancy furnace 8 can be stored due to the design of the gas storage tank 13, and the gas can enter the gas storage tank and then is conveyed into the gas supply pipe 16 through the fan 15 due to the design of the gas extraction pipe 14.

Wherein, the right end of the air exhaust pipe 14 is fixedly communicated with a fan 15, the top of the fan 15 is fixedly communicated with an air supply pipe 16, the fan 15 is an existing device, and the model of the fan 15 is suitable for CZR-LY60 series, due to the design of the fan 15, the air stored in the air storage tank 13 can be extracted and then is conveyed to the inside of the fixed block 18 through the air supply pipe 16.

Wherein, the right-hand member fixed mounting of base 1 upper surface has mount 17, the last fixed surface of mount 17 installs fixed block 18, the left end of fixed block 18 and the fixed intercommunication of right-hand member of blast pipe 16, the top fixed mounting of fixed block 18 has top cap 19, round hole 22 has been seted up at the top of fixed block 18, because the design of mount 17, can play good spacing and fixed effect to fixed block 18 and top cap 19, because the design of fixed block 18, can let the gas of decomposing completion in the blast pipe 16 get into it inside, let gas pass through round hole 22 after that and be discharged from the top of top cap 19.

Wherein, the right-hand member fixed mounting of base 1 upper surface has the installation motor 20 that is located the fixed block 18 directly below, and the fixed cover of the other end of installation motor 20 output shaft has connect threaded rod 21, and the other end of threaded rod 21 runs through mount 17 and fixed block 18 and cup joints with the inner wall activity at fixed block 18 top, because the design of installation motor 20, when its starts, threaded rod 21 can take place the rotation this moment, and square 23 can move from top to bottom under the limiting displacement of fixed block 18 afterwards.

Wherein, the external surface screw thread of threaded rod 21 has cup jointed square 23, the fixed cover of external surface of square 23 has connect scraper blade 24, the surface of square 23 and scraper blade 24 all with the internal surface swing joint of fixed block 18, the surface of scraper blade 24 and the smooth and looks adaptation of internal surface of fixed block 18, because the design of scraper blade 24, when square 23 carries out up-and-down motion under the rotation of threaded rod 21, scraper blade 24 can scrape off the dust of scraping the inner wall build-up of fixed block 18 this moment to prevent that the dust from attaching to pile up and blockking up fixed block 18.

The working principle and the using process of the utility model are as follows:

when an operator needs to decompose organic waste gas, the waste gas is sent into the heating furnace 4 through the gas inlet pipe 10, the heating furnace 4 is heated to decomposition temperature to heat and decompose gas in the heating furnace 4, then the heated gas can come into the preheating furnace 6 and the dormant furnace 8 through the communicating pipe 5 and the bent pipe 7 to preheat the preheating furnace 6 and the dormant furnace 8, meanwhile, the round pipe 9 can send gas which is not decomposed in the preheating furnace 6 and the dormant furnace 8 into the heating furnace 4 to be heated and decomposed again, when the heating furnace 4 stops working and sleeping, the preheating furnace 6 is heated to decomposition temperature to take over decomposition work of the heating furnace 4, then the dormant furnace 8 takes over work after the preheating furnace 6 stops working and sleeping, the alternate operation of the heating furnace 4, the preheating furnace 6 and the dormant furnace 8 can ensure the service life of equipment and can meet the uninterrupted decomposition work of the organic waste gas, and then guarantee the productivity, and when one of them furnace body was worked, other two furnace bodies can receive the preheating of the internal heating gas of work furnace, and then reached the heat circulation and made the heat utilization ratio improve greatly, reduced the decomposition cost.

When an operator needs to clean the fixed block 18, the installation motor 20 can be started, the threaded rod 21 can rotate at the moment, then the block 23 can move up and down in the fixed block 18 under the limiting effect of the fixed block 18, the scraper 24 can move up and down under the driving of the block 23 at the moment, dust accumulated on the inner wall of the fixed block 18 is scraped, and the normal operation of the exhaust work of the equipment cannot be influenced.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a three-bed formula regenerative thermal oxidation furnace of heat cyclic utilization, includes base (1), its characterized in that: the device is characterized in that a fixed frame (2) is fixedly mounted at the left end of the upper surface of a base (1), a support frame (3) is fixedly mounted at the bottom of an inner cavity of the fixed frame (2), a heating furnace (4) is fixedly mounted at the upper surface of the support frame (3), a communicating pipe (5) is fixedly communicated with the right end of the heating furnace (4), a preheating furnace (6) is fixedly communicated with the lower side of the communicating pipe (5), a bent pipe (7) is fixedly communicated with the lower side of the preheating furnace (6), a dormant furnace (8) is fixedly communicated with the left end of the bent pipe (7), a round pipe (9) is fixedly communicated with the upper side of the dormant furnace (8), the upper side of the round pipe (9) is fixedly communicated with the left end of the heating furnace (4), the lower surfaces of the preheating furnace (6) and the dormant furnace (8) are fixedly connected with the upper surface of the support frame (3), and air inlet pipes (10) are fixedly communicated with the tops of the heating furnace (4), the preheating furnace (6) and the dormant furnace (8), go into the other end of trachea (10) and run through fixed frame (2) and extend to the top of fixed frame (2), the bottom of heating furnace (4), preheater (6) and dormancy stove (8) is all fixed the intercommunication has outlet duct (11), the other end of outlet duct (11) runs through the top of support frame (3) and extends to the outside of support frame (3), the inside fixed mounting of outlet duct (11) has valve (12).

2. The heat-recycling three-bed regenerative thermal oxidizer as set forth in claim 1, wherein: the bottom of the air outlet pipe (11) is fixedly communicated with an air storage tank (13), and the right end of the air storage tank (13) is fixedly communicated with an air exhaust pipe (14).

3. The heat-recycling three-bed regenerative thermal oxidizer as set forth in claim 2, wherein: the right end of the air exhaust pipe (14) is fixedly communicated with a fan (15), and the top of the fan (15) is fixedly communicated with an air supply pipe (16).

4. The heat-recycling three-bed regenerative thermal oxidizer as set forth in claim 1, wherein: the utility model discloses a base, including base (1), fixed block (18), air feed pipe (16), top fixed mounting of fixed block (18), round hole (22) have been seted up at the top of fixed block (18), the right-hand member fixed mounting of base (1) upper surface has mount (17), the last fixed surface of mount (17) installs fixed block (18), the left end of fixed block (18) and the right-hand member fixed intercommunication of air feed pipe (16), the top fixed mounting of fixed block (18) has top cap (19).

5. The heat-recycling three-bed regenerative thermal oxidizer as set forth in claim 1, wherein: the right-hand member fixed mounting of base (1) upper surface has installation motor (20) that is located fixed block (18) under, the other end of installation motor (20) output shaft is fixed to be cup jointed threaded rod (21), the other end of threaded rod (21) runs through mount (17) and fixed block (18) and cup joints with the inner wall activity at fixed block (18) top.

6. The heat-recycling three-bed regenerative thermal oxidizer as set forth in claim 5, wherein: the outer surface screw thread of threaded rod (21) has cup jointed square (23), the outer fixed surface of square (23) has cup jointed scraper blade (24), the surface of square (23) and scraper blade (24) all with the internal surface swing joint of fixed block (18), the surface of scraper blade (24) and the internal surface of fixed block (18) are smooth and looks adaptation.