CN215491216U

CN215491216U - Tertiary horizontal heat transfer device with filtering capability

Info

Publication number: CN215491216U
Application number: CN202121447538.9U
Authority: CN
Inventors: 王凤泽; 陈星�; 王吉敏
Original assignee: Jiangsu Shuopu Energy Technology Co ltd
Current assignee: Jiangsu Shuopu Energy Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-01-11
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a three-stage horizontal heat exchange device with a filtering function, and relates to the technical field of heat exchangers. Including the heat exchanger subassembly that is used for the heat transfer of pyrolysis gas, be used for filtering cooling medium's filter assembly and be used for clearing up the belt cleaning device of heat exchanger subassembly, the heat exchanger subassembly includes organism and heat exchange tube body, the both ends of organism all are provided with the distribution section of thick bamboo, inside one-level heat transfer chamber, second grade heat transfer chamber and the tertiary heat transfer chamber that all cup joint with heat exchange tube body surface have been seted up in proper order to the inside of organism, the filter assembly is provided with the filter tube of a collecting cylinder including the surface. Through setting up heat exchanger subassembly and filter assembly, the impurity of filter screen in to the coolant medium filters, and the chimney cooperation magnetic sheet adsorbs impurity and iron fillings, has reduced the adhesion of impurity to the heat exchange tube body, has effectively guaranteed the heat exchange efficiency of heat exchange tube body, and movable block convenient to detach, has reduced the clearance change efficiency of filter screen.

Description

Tertiary horizontal heat transfer device with filtering capability

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a three-stage horizontal heat exchange device with a filtering function.

Background

The quenching heat exchanger is key equipment with very strong manufacturability in an ethylene cracking device, and mainly plays two roles, namely, the quenching heat exchanger rapidly cools high-temperature cracking gas at about 800 ℃ to below the secondary reaction temperature to reduce the olefin loss, and recovers high-level heat energy of the cracking gas as much as possible to generate high-pressure steam at about 12.0MPa, the gas side of the quenching heat exchanger consists of three parts, namely an inlet distributor heat exchange tube and an outlet header, the cracking gas is decelerated (generally <10 m/s) and expanded through the inlet distributor all the way to convert the kinetic energy of the gas into static pressure as much as possible, so that the flow distribution nonuniformity of the gas entering the heat exchange tube due to overhigh gas flow velocity and unequal attack angles of the inlet gas at the inlets of the heat exchange tubes can be reduced, and the distributor should uniformly distribute the gas into the heat exchange tubes, the heat exchange evaporation is carried out on the cooling medium through the heat exchange tube during the heat exchange of high-temperature pyrolysis gas, generally, the maximum possible deviation of the flow rate is less than +/-10%, meanwhile, the retention time of the gas in the distributor is reduced as much as possible, and a dead stagnation vortex area is avoided, so that the secondary reaction of the pyrolysis gas is inhibited, and the income of ethylene products is ensured.

After pyrolysis gas and cold flow medium exchange heat, a large amount of dirt is generated on the surface of the heat exchange tube, no matter the heat exchange tube is a primary, secondary or tertiary quenching heat exchanger, the heat exchange tube needs to be cleaned after long-term use, the heat exchange tube needs to be detached during cleaning, the process is slow and complex, equipment needs to be stopped for a long time, the working efficiency of the heat exchanger is seriously influenced, and the using effect is not ideal.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model provides the following technical scheme: a three-level horizontal heat exchange device with a filtering function comprises a heat exchanger assembly for heat exchange of cracked gas, a filtering assembly for filtering cooling media and a cleaning device for cleaning the heat exchanger assembly, wherein the heat exchanger assembly comprises a machine body and a heat exchange tube body, two ends of the machine body are respectively provided with a distribution cylinder, and a first-level heat exchange cavity, a second-level heat exchange cavity and a third-level heat exchange cavity which are sleeved with the surface of the heat exchange tube body are sequentially formed in the machine body;

the filter assembly comprises a filter pipe, the surface of the filter pipe is provided with a collecting cylinder, the filter pipe is arranged in each of the primary heat exchange cavity, the secondary heat exchange cavity and the tertiary heat exchange cavity, a filter screen is arranged in each filter pipe, and a movable block is arranged in each collecting cylinder;

the cleaning device comprises a motor, a first lead screw, a second lead screw and a protective shell, wherein the motor is arranged on the surface of the machine body, the first lead screw and the second lead screw are arranged in the machine body, a first cleaning plate is arranged on the surface of the first lead screw, a second cleaning plate is arranged on the surface of the second lead screw, cleaning holes are formed in the first cleaning plate and the second cleaning plate, cleaning brushes for cleaning the heat exchange tube body are arranged in the cleaning holes, the surface of the heat exchange tube body is movably connected with the inner portions of the cleaning holes, and the motor is connected with the second lead screw in a transmission mode through the first lead screw.

As a preferred technical scheme of the utility model, two ends of the heat exchange tube body respectively penetrate through the insides of the two distribution cylinders, the distribution cylinders are arranged in a conical manner, and one ends of the distribution cylinders, which are far away from a machine body, are provided with connecting cylinders for connecting pyrolysis gas.

As a preferred technical solution of the present invention, drainage holes are formed in the surfaces of the first-stage heat exchange cavity, the second-stage heat exchange cavity, and the third-stage heat exchange cavity, a drainage pipe for discharging a cooling medium is fixedly disposed inside the drainage hole, and a support frame for supporting a machine body is disposed on the surface of the machine body.

As a preferred technical scheme of the utility model, the first-stage heat exchange cavity, the second-stage heat exchange cavity and the third-stage heat exchange cavity are all internally provided with inflow holes for installing filter pipes, the inner wall of each filter pipe is provided with a movable groove, and the filter screen is movably arranged in the movable grooves through springs.

As a preferred technical scheme, the magnetic plate is arranged inside the movable block, the surface of the filter pipe is provided with a connecting hole, the filter pipe is communicated with the collecting barrel through the connecting hole, the interior of the filter pipe is provided with a pressing ring, the bottom of the pressing ring is provided with a pressing rod, and the bottom end of the pressing rod is movably connected with the top of the filter screen.

As a preferable technical scheme of the utility model, the collecting cylinder is internally provided with a partition plate and a conical block, one end of the conical block is provided with a sealing gasket, and one end of the sealing gasket, which is far away from the conical block, is movably connected with one end of the movable block, which is positioned in the collecting cylinder.

As a preferable technical scheme of the present invention, the surface of the movable block is provided with a thread, the inside of the collecting cylinder is provided with an internal thread engaged with the surface of the movable block, the surface of the machine body is provided with a protective shell, and the inside of the protective shell is fixedly sleeved on the surface of the motor.

As a preferable technical solution of the present invention, the surface of the first screw is provided with a thread, the inside of the first cleaning plate is provided with an internal thread engaged with the surface of the first screw, the surface of the second screw is provided with a thread, and the inside of the second cleaning plate is provided with an internal thread engaged with the surface of the second screw.

As a preferred technical solution of the present invention, the output end of the motor and the surface of the first lead screw are both provided with a first gear and the two first gears are connected through a chain transmission, and the surfaces of the first lead screw and the second lead screw are both provided with a second gear and the two second gears are connected through a chain transmission.

As a preferred technical solution of the present invention, protective shells are disposed inside both the two dispensing barrels, and both ends of the first lead screw and the second lead screw penetrate through the two protective shells respectively.

Compared with the prior art, the utility model provides a three-stage horizontal heat exchange device with a filtering function, which has the following beneficial effects:

1. this tertiary horizontal heat transfer device with filtering capability through setting up heat exchanger subassembly and filter assembly, the filter screen filters the impurity in the coolant, and the collector barrel cooperation magnetic sheet adsorbs impurity and iron fillings, has reduced the adhesion of impurity to the heat exchange tube body, has effectively guaranteed the heat exchange efficiency of heat exchange tube body, and movable block convenient to detach, has reduced the clearance change efficiency of filter screen.

2. This tertiary horizontal heat transfer device with filtering capability, through setting up heat exchanger subassembly and filtering component, the filter screen shakes along with coolant's transport compression spring for the impurity at filter screen top can not pile up, has further reduced the clearance change cycle of filter screen, and clamping ring cooperation depression bar has avoided the filter screen to shake the condition that leads to deflecting by a wide margin and has appeared, has guaranteed filtration efficiency.

3. This tertiary horizontal heat transfer device with filtering capability through setting up heat exchanger subassembly and belt cleaning device, and the first lead screw of starter motor drive and second lead screw drive first washing board and second respectively and wash the board and remove for the cleaning brush is cleared up the surface of heat exchange tube body, has guaranteed the heat transfer efficiency of heat exchange tube body, need not to dismantle the clearance, has guaranteed work efficiency.

4. This tertiary horizontal heat transfer device with filtering capability, through setting up heat exchanger subassembly and belt cleaning device, when the heat exchange tube body need not clear up, start motor drive first lead screw and second lead screw, make first cleaning plate and second cleaning plate be the setting of staggering, can be used as the baffling board and carry out the baffling to coolant this moment, the contact rate of coolant with the heat exchange tube body has been guaranteed, first cleaning plate and second cleaning plate not only can clear up the heat exchange tube body and guarantee the heat exchange efficiency of heat exchange tube body, and wide application prospect has.

5. This tertiary horizontal heat transfer device with filtering capability through setting up heat exchanger subassembly and belt cleaning device, and the toper piece is fixed a position sealed pad, has guaranteed the leakproofness of collecting vessel and movable block junction, and the baffle can block the impurity that gets into movable block department, and the collection efficiency of collecting vessel has been guaranteed to the impurity of cluster to the filtering tube inside in the reduction.

Drawings

FIG. 1 is a schematic structural diagram of a three-stage horizontal heat exchange device with a filtering function according to the present invention;

FIG. 2 is a structural section view of a three-stage horizontal heat exchange device with a filtering function according to the present invention;

FIG. 3 is a sectional view of a filter assembly of a three-stage horizontal heat exchanger with filtering function according to the present invention;

FIG. 4 is a sectional plan view of a three-stage horizontal heat exchanger with filtering function according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

FIG. 6 is a structural side view of a first cleaning plate and a second cleaning plate of a three-stage horizontal heat exchange device with a filtering function according to the present invention.

In the figure: 1. a heat exchanger assembly; 11. a body; 111. a support frame; 12. a dispensing cartridge; 13. a connecting cylinder; 14. a primary heat exchange cavity; 15. a secondary heat exchange cavity; 16. a tertiary heat exchange cavity; 17. a heat exchange tube body; 18. an inflow hole; 19. a drainage aperture; 2. a filter assembly; 21. a filter tube; 22. a movable groove; 23. a filter screen; 24. connecting holes; 25. a collection canister; 251. a partition plate; 26. a movable block; 27. a conical block; 28. a magnetic plate; 29. pressing a ring; 291. a pressure lever; 3. a cleaning device; 31. a motor; 32. a first lead screw; 33. a second lead screw; 34. a first cleaning plate; 35. a second cleaning plate; 36. cleaning the holes; 37. a first gear; 38. a second gear; 39. and (4) a protective shell.

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. 1-6, a three-stage horizontal heat exchanger with a filtering function includes a heat exchanger assembly 1 for heat exchange of cracked gas, a filtering assembly 2 for filtering a cooling medium, and a cleaning device 3 for cleaning the heat exchanger assembly 1, where the heat exchanger assembly 1 includes a machine body 11 and a heat exchange tube body 17, two ends of the machine body 11 are respectively provided with a distribution cylinder 12, a first-stage heat exchange cavity 14, a second-stage heat exchange cavity 15, and a third-stage heat exchange cavity 16 are sequentially formed in the machine body 11, and the interiors of the first-stage heat exchange cavity 14, the second-stage heat exchange cavity 15, and the third-stage heat exchange cavity 16 are all fixedly connected to the surface of the heat exchange tube body 17.

The filtering component 2 comprises a filtering pipe 21, the filtering pipes 21 are arranged inside the first-stage heat exchange cavity 14, the second-stage heat exchange cavity 15 and the third-stage heat exchange cavity 16, a filtering net 23 is arranged inside the filtering pipe 21, a collecting cylinder 25 is arranged on the surface of the filtering pipe 21, a movable block 26 is arranged inside the collecting cylinder 25, a magnetic plate 28 is arranged inside the movable block 26, the filtering net 23 filters impurities in a cooling medium, the collecting cylinder 25 is matched with the magnetic plate 28 to adsorb the impurities and scrap iron, the adhesion of the impurities to the heat exchange pipe body 17 is reduced, the heat exchange efficiency of the heat exchange pipe body 17 is effectively ensured, the movable block 26 is convenient to disassemble, the filtering net 23 does not need to be cleaned and replaced frequently, only the collecting cylinder 25 and the movable block 26 need to be cleaned, the cleaning and replacing efficiency of the filtering net 23 is reduced, the filtering net 23 shakes along with a conveying compression spring of the cooling medium, impurities on the top of the filter screen 23 can not be accumulated, and the cleaning and replacing period of the filter screen 23 is further reduced.

The cleaning device 3 comprises a motor 31, a first screw rod 32, a second screw rod 33 and a protective shell 39, the motor 31 is arranged on the surface of the machine body 11, the first screw rod 32 and the second screw rod 33 are arranged inside the machine body 11, the insides of the first-stage heat exchange cavity 14, the second-stage heat exchange cavity 15 and the third-stage heat exchange cavity 16 are movably connected with the surfaces of the first screw rod 32 and the second screw rod 33, a first cleaning plate 34 is arranged on the surface of the first screw rod 32, a second cleaning plate 35 is arranged on the surface of the second screw rod 33, cleaning holes 36 are respectively formed inside the first cleaning plate 34 and the second cleaning plate 35, cleaning brushes for cleaning the heat exchange tube body 17 are arranged inside the cleaning holes 36, the surface of the heat exchange tube body 17 is movably connected with the insides of the cleaning holes 36, the motor 31 is in transmission connection with the second screw rod 33 through the first screw rod 32, the starting motor 31 drives the first screw rod 32 and the second screw rod 33 to respectively drive the first cleaning plate 34 and the second cleaning plate 35 to move, the surface of the heat exchange tube body 17 is cleaned by the cleaning brush, the heat transfer efficiency of the heat exchange tube body 17 is ensured, and when the heat exchange tube body 17 does not need to be cleaned, the starting motor 31 drives the first cleaning plate 34 and the second cleaning plate 35 to be staggered, the baffle plates can be used as baffle plates to baffle cooling media, the cooling media are fully contacted with the heat exchange tube body 17, and the first cleaning plate 34 and the second cleaning plate 35 not only can clean the heat exchange tube body 17 and ensure the heat exchange efficiency of the heat exchange tube body 17.

The two ends of the heat exchange tube body 17 penetrate through the insides of the two distribution cylinders 12 respectively, the distribution cylinders 12 are arranged in a conical mode, one ends, far away from the machine body 11, of the distribution cylinders 12 are provided with connecting cylinders 13 connected with pyrolysis gas, the pyrolysis gas to be cooled is connected into the connecting cylinders 13 on the leftmost side, the pyrolysis gas is distributed to the inside of the heat exchange tube body 17 through the distribution cylinders 12 to perform heat exchange operation, and the connecting cylinders 13 on the rightmost side are connected into a pipeline used for collecting the pyrolysis gas after cooling.

Drainage holes 19 are formed in the surfaces of the first-stage heat exchange cavity 14, the second-stage heat exchange cavity 15 and the third-stage heat exchange cavity 16, drainage pipes for discharging cooling media are fixedly arranged inside the drainage holes 19, a support frame 111 for supporting the machine body 11 is arranged on the surface of the machine body 11, the machine body 11 is supported by the support frame 111, stability of the machine body 11 is guaranteed, the drainage holes 19 are used for installing drainage pipes, and pipelines for discharging cooling media are connected through the drainage pipes, so that operation of a user is facilitated.

Wherein, the influent stream hole 18 that is used for installing filter tube 21 is all offered to the inside in one-level heat transfer chamber 14, second grade heat transfer chamber 15 and tertiary heat transfer chamber 16, movable groove 22 has been seted up to the inner wall of filter tube 21, filter screen 23 sets up in movable groove 22's inside through the spring activity, lets in the running water that is used for the heat transfer to the filter tube 21 corresponding with the inside of one-level heat transfer chamber 14, lets in the boiler water that is lower than running water temperature to the filter tube 21 corresponding with the inside of second grade heat transfer chamber 15, lets in the coolant liquid that the heat conductivity is good to the filter tube 21 corresponding with the inside of tertiary heat transfer chamber 16, has further guaranteed the cooling efficiency of pyrolysis gas, and the inside coolant who lets in of one-level heat transfer chamber 14, second grade heat transfer chamber 15 and tertiary heat transfer chamber 16 can change according to specific user demand.

Wherein, connecting hole 24 has been seted up on the surface of filter tube 21, filter tube 21 is linked together through connecting hole 24 and collection cylinder 25, the inside of filter tube 21 is provided with clamping ring 29, the bottom of clamping ring 29 is provided with the bottom of depression bar 291 and the top swing joint of filter screen 23, and the impurity of filter screen 23 top interception is brought into the inside of collection cylinder 25 through connecting hole 24 by cooling medium, and when inserting the cooling medium pipe through the flange, the clamping ring 29 is pushed down to the cooling medium pipe, and the clamping ring 29 carries on spacingly through depression bar 291 to filter screen 23, has avoided filter screen 23 to rock by a wide margin, does not influence the dismantlement of filter screen 23 simultaneously.

Wherein, the inside of surge drum 25 is provided with baffle 251 and toper piece 27, the one end of toper piece 27 is provided with sealed pad and sealed one end and the movable block 26 that keep away from toper piece 27 of filling up are located the inside one end swing joint of surge drum 25, and toper piece 27 is fixed a position sealed pad, has guaranteed the leakproofness of surge drum 25 with the movable block 26 junction, and baffle 251 can block the impurity that gets into movable block 26 department, and the reduction is gone up cluster to the inside impurity of filter tube 21.

Wherein, the screw thread has been seted up on the surface of movable block 26, the internal thread that meshes with movable block 26 surface phase is seted up to the inside of surge drum 25, organism 11's surface is provided with the inside of protective housing and cup joints with motor 31's fixed surface, and the protective housing protects motor 31, refers to figure one and figure three, and anti-skidding recess has been seted up on the surface of movable block 26, and stability when having guaranteed handheld movable block 26 rotates movable block 26 and surge drum 25 and breaks away from, can clear up the inside impurity of movable block 26 and surge drum 25.

The surface of the first screw rod 32 is provided with threads, the inside of the first cleaning plate 34 is provided with internal threads meshed with the surface of the first screw rod 32, the surface of the second screw rod 33 is provided with threads, the inside of the second cleaning plate 35 is provided with internal threads meshed with the surface of the second screw rod 33, and the threads on the surfaces of the first screw rod 32 and the second screw rod 33 are opposite in direction, so that the first cleaning plate 34 and the second cleaning plate 35 always move relatively or oppositely, the first cleaning plate 34 and the second cleaning plate 35 can not only clean the heat exchange tube body 17, but also can be used as a baffle plate, and the heat exchange efficiency is further ensured.

Wherein, the output of motor 31 and the surface of first lead screw 32 all are provided with first gear 37 and two first gears 37 are connected through chain drive, the surface of first lead screw 32 and second lead screw 33 all is provided with second gear 38 and two second gears 38 are connected through chain drive, starter motor 31 passes through chain drive first lead screw 32, and first lead screw 32 passes through chain drive second lead screw 33 simultaneously, thereby make first lead screw 32 and second lead screw 33 drive first washing board 34 and second washing board 35 respectively and remove, make clearance hole 36 wash the surface of heat exchange tube body 17, guaranteed the heat transfer efficiency of heat exchange tube body 17.

The two protective shells 39 are arranged inside the two distribution cylinders 12, two ends of the first screw rod 32 and the second screw rod 33 respectively penetrate through the two protective shells 39, the two protective shells 39 respectively protect two ends of the first screw rod 32 and the second screw rod 33, the influence of pyrolysis gas on the first screw rod 32 and the second screw rod 33 is reduced, and the stability of the first screw rod 32 and the second screw rod 33 is ensured.

When in use, tap water for heat exchange is introduced into the filter pipe 21 corresponding to the inside of the first-stage heat exchange cavity 14, boiler water with the temperature lower than that of the tap water is introduced into the filter pipe 21 corresponding to the inside of the second-stage heat exchange cavity 15, and cooling liquid with good heat conductivity is introduced into the filter pipe 21 corresponding to the inside of the third-stage heat exchange cavity 16, so that the cooling efficiency of the pyrolysis gas is further ensured, the cooling medium introduced into the first-stage heat exchange cavity 14, the second-stage heat exchange cavity 15 and the third-stage heat exchange cavity 16 can be changed according to specific use requirements, the pyrolysis gas to be cooled is introduced into the pyrolysis gas through the leftmost connecting cylinder 13, the pyrolysis gas is distributed into the heat exchange pipe body 17 through the distributing cylinder 12 for heat exchange operation, the rightmost connecting cylinder 13 is introduced into a pipeline for collecting the cooled pyrolysis gas, the pipeline for discharging the cooling medium is introduced through the drainage pipe, and the cooling medium passes through the filter screen 23, so that impurities are intercepted, and the filter screen 23 is vibrated by compressing the spring along with the conveying of the cooling medium, meanwhile, the impurities intercepted at the top of the filter screen 23 are brought into the collecting cylinder 25 by the cooling medium through the connecting hole 24, and fall into the movable block 26 through the partition 251 and the conical block 27, the magnetic plate 28 adsorbs iron filings in the impurities, when the collecting cylinder 25 and the movable block 26 need to be cleaned, the conveying of the cooling medium is stopped, the movable block 26 is rotated to be separated from the collecting cylinder 25 for cleaning, the starting motor 31 drives the first screw rod 32 through a chain, and simultaneously the first screw rod 32 drives the second screw rod 33 through a chain, so that the first screw rod 32 and the second screw rod 33 respectively drive the first cleaning plate 34 and the second cleaning plate 35 to move, the first cleaning plate 34 and the second cleaning plate 35 are mutually staggered to be used as baffle plates, and the cooling medium is fully contacted with the heat exchange pipe body 17 for heat exchange, during cleaning, the motor 31 is continuously started to drive the first screw rod 32 and the second screw rod 33 to rotate, so that the first cleaning plate 34 and the second cleaning plate 35 move on the surfaces of the first screw rod 32 and the second screw rod 33 respectively, meanwhile, the first cleaning plate 34 and the second cleaning plate 35 drive the cleaning brush inside the cleaning hole 36 to clean the surface of the heat exchange pipe body 17, and the operation of the device is completed through the above steps.

In conclusion, this tertiary horizontal heat transfer device with filtering capability through setting up heat exchanger component 1 and filter assembly 2, filter screen 23 filters the impurity in the coolant, and collecting cylinder 25 cooperation magnetic sheet 28 adsorbs impurity and iron fillings, has reduced the adhesion of impurity to heat exchange tube body 17, has effectively guaranteed heat exchange tube body 17's heat exchange efficiency, and movable block 26 is convenient for dismantle, has reduced the clearance change efficiency of filter screen 23.

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 horizontal heat transfer device of tertiary with filtering capability, includes the heat exchanger subassembly that is used for pyrolysis gas heat transfer, is used for filtering cooling medium's filter assembly and is used for clearing up the belt cleaning device of heat exchanger subassembly, its characterized in that: the heat exchanger component comprises a machine body and a heat exchange tube body, wherein two ends of the machine body are respectively provided with a distribution cylinder, and a primary heat exchange cavity, a secondary heat exchange cavity and a tertiary heat exchange cavity, which are sleeved with the surface of the heat exchange tube body, are sequentially arranged in the machine body;

2. The three-stage horizontal heat exchange device with the filtering function of claim 1, wherein: the two ends of the heat exchange tube body penetrate through the insides of the two distribution cylinders respectively, the distribution cylinders are arranged in a conical mode, and one ends, far away from the machine body, of the distribution cylinders are provided with connecting cylinders for connecting pyrolysis gas.

3. The three-stage horizontal heat exchange device with the filtering function of claim 1, wherein: drainage holes are formed in the surfaces of the first-stage heat exchange cavity, the second-stage heat exchange cavity and the third-stage heat exchange cavity, drainage pipes used for discharging cooling media are fixedly arranged in the drainage holes, and a support frame used for supporting the engine body is arranged on the surface of the engine body.

4. The three-stage horizontal heat exchange device with the filtering function of claim 1, wherein: the inside in one-level heat transfer chamber, second grade heat transfer chamber and tertiary heat transfer chamber all sets up the influent stream hole that is used for installing the filter tube, the movable groove has been seted up to the inner wall of filter tube, the filter screen passes through the spring activity and sets up in the inside in movable groove.

5. The three-stage horizontal heat exchange device with the filtering function of claim 1, wherein: the inside of movable block is provided with the magnetic sheet, the connecting hole has been seted up on the surface of filter tube, the filter tube is linked together through connecting hole and surge drum, the inside of filter tube is provided with the clamping ring, the bottom of clamping ring is provided with the bottom of depression bar and the top swing joint of filter screen.

6. The three-stage horizontal heat exchange device with the filtering function of claim 1, wherein: the inside of collecting vessel is provided with baffle and toper piece, the one end of toper piece is provided with sealed pad and sealed one end and the one end swing joint that the toper piece was kept away from to sealed pad.

7. The three-stage horizontal heat exchange device with the filtering function of claim 1, wherein: the surface of movable block is seted up threadedly, the internal thread that meshes with the movable block surface is seted up to the inside of collecting vessel, the surface of organism is provided with the inside of protective housing and the fixed surface of motor cup joints.

8. The three-stage horizontal heat exchange device with the filtering function of claim 1, wherein: the surface of the first screw rod is provided with threads, the inside of the first cleaning plate is provided with internal threads meshed with the surface of the first screw rod, the surface of the second screw rod is provided with threads, and the inside of the second cleaning plate is provided with internal threads meshed with the surface of the second screw rod.

9. The three-stage horizontal heat exchange device with the filtering function of claim 1, wherein: the output end of the motor and the surface of the first screw rod are provided with first gears, the two first gears are connected through chain transmission, and the surfaces of the first screw rod and the second screw rod are provided with second gears, and the two second gears are connected through chain transmission.

10. The three-stage horizontal heat exchange device with the filtering function of claim 1, wherein: two the inside of a distribution section of thick bamboo all is provided with the protecting crust, the both ends of first lead screw and second lead screw run through respectively to the inside of two protecting crust.