CN215766549U

CN215766549U - Heat recovery device with flue gas heat exchange structure for sulfuric acid production

Info

Publication number: CN215766549U
Application number: CN202122453282.9U
Authority: CN
Inventors: 张春平
Original assignee: Qingtongxia Liyuan Industry And Trade Co ltd
Current assignee: Qingtongxia Liyuan Industry And Trade Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-02-08
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a heat recovery device with a flue gas heat exchange structure for sulfuric acid production, which relates to the technical field of heat recovery and comprises a barrel and a supporting structure arranged at the lower end of the barrel, wherein the upper end of filter cotton is provided with a wind collecting cover, the upper end of the wind collecting cover is connected with a connecting pipe, the connecting pipe penetrates through a partition plate and the side wall of the barrel and is arranged in a water tank, the lower end of the connecting pipe is provided with a flow dividing pipe, the flow dividing pipe is communicated with a heat exchange pipe arranged in the water tank, the wind collecting cover is in a trapezoid shape, flue gas can flow along the wind collecting cover, the connecting pipe and the flow dividing pipe and can further flow into the heat exchange pipe, cold water is stored in the water tank in advance, the heat exchange of the flue gas can be carried out through the arranged heat exchange pipe, so that the water temperature in the water tank can be improved, the use is convenient, the upper end of the water tank is provided with an exhaust pipe, the other end of the exhaust pipe is connected with the barrel, and air flow can enter the barrel, and is discharged from the exhaust funnel.

Description

Heat recovery device with flue gas heat exchange structure for sulfuric acid production

Technical Field

The utility model relates to the technical field of heat recovery, in particular to a heat recovery device with a flue gas heat exchange structure for sulfuric acid production.

Background

The waste heat refers to sensible heat and latent heat which are not reasonably utilized in the original design in the energy consumption device of the put-in-operation industrial enterprise due to the limitations of factors such as history, technology, concept and the like. It includes high temperature waste gas waste heat, cooling medium waste heat, steam waste water waste heat, high temperature product and slag waste heat, chemical reaction waste heat, combustible waste gas waste liquid and waste material waste heat etc. in carrying out the overlength of production to sulphuric acid, need through retrieving the recycle to it, can use heat recovery device usually.

Current heat reclamation device is when using, because can not carry out filtration treatment to the particulate matter in the flue gas earlier, moves everywhere along with the flow of flue gas easily, makes its inner wall untidy easily, and some devices when using, can not keep warm to the water tank, and the heat can spill, influences the use to water, and the practicality is poor.

Aiming at the problems, the utility model provides a heat recovery device with a flue gas heat exchange structure for sulfuric acid production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat recovery device with a flue gas heat exchange structure for sulfuric acid production, wherein flue gas can flow along an air collecting cover, a connecting pipe and a flow dividing pipe and further can flow into a heat exchange pipe, cold water is stored in a water tank in advance, and the flue gas can be subjected to heat exchange through the arranged heat exchange pipe, so that the water temperature in the water tank can be improved, the heat recovery device is convenient to use, an exhaust pipe is arranged at the upper end of the water tank, the other end of the exhaust pipe is connected with a barrel, and airflow can move the exhaust pipe to enter the barrel and be discharged from an exhaust pipe, so that the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a heat recovery device with a flue gas heat exchange structure for sulfuric acid production comprises a cylinder body and a supporting structure arranged at the lower end of the cylinder body, wherein the heat exchange structure is arranged on one side of the cylinder body, and an exhaust funnel is arranged at the upper end of the cylinder body;

the heat exchange structure comprises a water tank arranged on one side of the barrel, a heat insulation piece arranged on the outer side of the water tank and a drain pipe arranged on one side of the water tank, a valve is arranged on the outer side of the drain pipe, a heat exchange pipe is further mounted inside the water tank, an exhaust pipe is mounted at the upper end of the water tank, and the other end of the exhaust pipe is communicated with the barrel.

Preferably, the support structure comprises a square frame arranged at the lower end of the cylinder body and support legs fixedly arranged at the lower end of the square frame.

Preferably, the lower extreme of barrel is provided with the intake pipe, and the one end of intake pipe runs through square frame to the setting has a filter piece at the lower extreme of square frame, the internally mounted of intake pipe, and the upper end of filtering the piece is provided with the wind-collecting cover, and the upper end of wind-collecting cover is provided with the baffle.

Preferably, the upper end of the air collecting cover is connected with a connecting pipe, one end of the connecting pipe penetrates through the partition plate and the barrel and is arranged inside the water tank, the lower end of the connecting pipe is further provided with a flow dividing pipe, and the flow dividing pipe is communicated with the heat exchange pipe.

Preferably, the filter piece comprises a fine filter screen and filter cotton which are arranged inside the air inlet pipe, and the filter cotton is arranged at the upper end of the fine filter screen.

Preferably, the heat preservation piece is including setting up heat preservation cover A and the heat preservation cover B in the water tank outside, and the bayonet socket has all been seted up to heat preservation cover A and heat preservation cover B's upper surface and a side, and circular column structure can be constituteed to two sets of bayonet sockets.

Preferably, one side of the heat-insulating cover A close to the heat-insulating cover B is provided with a magnetic groove, and one side of the heat-insulating cover B is provided with a magnetic block matched with the magnetic groove.

Preferably, the upper end of the exhaust funnel is provided with an outer frame, and the inner side of the outer frame is provided with a filter screen.

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

1. according to the heat recovery device with the flue gas heat exchange structure for sulfuric acid production, the lower end of the square frame is fixedly provided with the supporting legs, an operator can place the cylinder body at the upper end of the square frame and support the cylinder body through the supporting legs, the lower end of the cylinder body is provided with the air inlet pipe, one end of the air inlet pipe penetrates through the square frame and is arranged at the lower end of the square frame, flue gas can be introduced into the cylinder body through the air inlet pipe, meanwhile, the fine filter screen and the filter cotton are arranged inside the cylinder body, particles in the flue gas can be filtered, and the situation that the particles float around is avoided.

2. The utility model provides a heat recovery device with a flue gas heat exchange structure for sulfuric acid production, wherein the upper end of filter cotton is provided with a wind collecting cover, the upper end of the wind collecting cover is connected with a connecting pipe, the connecting pipe penetrates through a partition plate and the side wall of a barrel and is arranged in a water tank, the lower end of the connecting pipe is provided with a flow dividing pipe, the flow dividing pipe is communicated with a heat exchange pipe arranged in the water tank, the wind collecting cover is in a ladder shape, flue gas can flow along the wind collecting cover, the connecting pipe and the flow dividing pipe and can flow into the heat exchange pipe, cold water is stored in the water tank in advance, the flue gas can be subjected to heat exchange through the arranged heat exchange pipe, so that the water temperature in the water tank can be improved, the heat recovery device is convenient to use, the upper end of the water tank is provided with an exhaust pipe, the other end of the exhaust pipe is connected with the barrel, air flow can enter the barrel through the exhaust pipe and is exhausted from the exhaust pipe, and the upper end of the exhaust pipe is provided with an outer frame, the filter screen setting is in the inboard of frame, and the filter screen through setting up can avoid the dust to get into from the aiutage when not using the barrel.

3. According to the heat recovery device with the flue gas heat exchange structure for sulfuric acid production, the heat preservation cover A and the heat preservation cover B are arranged on the outer side of the water tank, the magnetic groove is formed in one side, close to the heat preservation cover B, of the heat preservation cover A, the magnetic block matched with the magnetic groove is arranged on one side of the heat preservation cover B, the magnetic groove and the magnetic block are magnets which attract with each other in opposite directions, the heat preservation cover A and the heat preservation cover B can be assembled through attraction between the magnetism, heat preservation can be conducted on the water tank, and heat dissipation is reduced.

Drawings

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

FIG. 2 is a partially disassembled view of the insulation structure of the present invention;

FIG. 3 is a schematic view of the cartridge structure of the present invention;

fig. 4 is an enlarged view of the utility model at a in fig. 2.

In the figure: 1. a barrel; 11. an air inlet pipe; 12. a filter member; 121. a fine filter screen; 122. filtering cotton; 13. a wind collecting cover; 14. a partition plate; 15. a connecting pipe; 16. a shunt tube; 2. a support structure; 21. a square frame; 22. supporting legs; 3. a heat exchange structure; 31. a water tank; 32. a heat preservation member; 321. a heat preservation cover A; 322. a heat preservation cover B; 323. a bayonet; 324. a magnetic slot; 325. a magnetic block; 33. a drain pipe; 34. a valve; 35. a heat exchange pipe; 36. an exhaust duct; 4. an exhaust funnel; 41. an outer frame; 42. and (4) a filter screen.

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, a heat recovery device with a flue gas heat exchange structure for sulfuric acid production comprises a cylinder 1 and a support structure 2 installed at the lower end of the cylinder 1, wherein a heat exchange structure 3 is arranged at one side of the cylinder 1, and an exhaust funnel 4 is installed at the upper end of the cylinder 1; the supporting structure 2 comprises a square frame 21 arranged at the lower end of the cylinder body 1 and supporting legs 22 fixedly arranged at the lower end of the square frame 21; for supporting the cylinder 1.

Referring to fig. 2-4, the heat exchange structure 3 includes a water tank 31 disposed at one side of the cylinder 1, a heat insulating member 32 disposed at an outer side of the water tank 31, and a drain pipe 33 disposed at one side of the water tank 31, a valve 34 is disposed at an outer side of the drain pipe 33, a heat exchange pipe 35 is further installed inside the water tank 31, an exhaust pipe 36 is installed at an upper end of the water tank 31, and another end of the exhaust pipe 36 is communicated with the cylinder 1; air-collecting cover 13 is trapezoidal form, the flue gas can be along air-collecting cover 13, connecting pipe 15 and shunt tubes 16 flow, and then can flow in heat exchange tube 35, cold water has been stored in advance in the water tank 31, heat exchange tube 35 through the setting can carry out the heat exchange to the flue gas, thereby can improve the temperature in the water tank 31, convenient to use, and be provided with exhaust pipe 36 in the upper end of water tank 31, the other end and the barrel 1 of exhaust pipe 36 are connected, the air current can move exhaust pipe 36 and enter into in the barrel 1, and discharge from aiutage 4.

The heat preservation part 32 comprises a heat preservation cover A321 and a heat preservation cover B322 which are arranged on the outer side of the water tank 31, bayonets 323 are arranged on the upper surface and one side surface of each of the heat preservation cover A321 and the heat preservation cover B322, and the two groups of bayonets 323 can form a circular structure; a magnetic groove 324 is formed in one side, close to the heat-preservation cover B322, of the heat-preservation cover A321, and a magnetic block 325 matched with the magnetic groove 324 is arranged on one side of the heat-preservation cover B322; the magnetic groove 324 and the magnetic block 325 are magnets with opposite attraction, and the heat-insulating cover A321 and the heat-insulating cover B322 can be assembled through attraction between the magnets, so that heat can be preserved for the water tank 31, and heat loss is reduced.

Referring to fig. 3, an air inlet pipe 11 is disposed at a lower end of the cylinder 1, one end of the air inlet pipe 11 penetrates through the square frame 21 and is disposed at a lower end of the square frame 21, a filter element 12 is disposed inside the air inlet pipe 11, an air collection cover 13 is disposed at an upper end of the filter element 12, and a partition plate 14 is disposed at an upper end of the air collection cover 13.

The upper end of the wind collecting cover 13 is connected with a connecting pipe 15, one end of the connecting pipe 15 penetrates through the partition plate 14 and the barrel 1 and is arranged inside the water tank 31, the lower end of the connecting pipe 15 is also provided with a shunt pipe 16, and the shunt pipe 16 is communicated with the heat exchange pipe 35; the filter member 12 includes a fine filter screen 121 and filter cotton 122 disposed inside the intake duct 11, and the filter cotton 122 is disposed at the upper end of the fine filter screen 121; can let in the flue gas in to barrel 1 through intake pipe 11, be provided with fine filter screen 121 and filter pulp 122 in barrel 1's inside simultaneously, can filter the particulate matter in the flue gas, avoid fluttering everywhere.

The upper end of the exhaust funnel 4 is provided with an outer frame 41, and the inner side of the outer frame 41 is provided with a filter screen 42; the filter screen 42 is arranged to prevent dust from entering the exhaust funnel 4 when the barrel 1 is not in use.

The working principle is as follows: an operator can place the barrel body 1 at the upper end of the square frame 21 and support the barrel body through the support legs 22, the lower end of the barrel body 1 is provided with the air inlet pipe 11, one end of the air inlet pipe 11 penetrates through the square frame 21 and is arranged at the lower end of the square frame 21, smoke can be introduced into the barrel body 1 through the air inlet pipe 11, meanwhile, a fine filter screen 121 and filter cotton 122 are arranged inside the barrel body 1 and can filter particles in the smoke to avoid floating around, the upper end of the filter cotton 122 is provided with a wind-collecting cover 13, the upper end of the wind-collecting cover 13 is connected with a connecting pipe 15, the connecting pipe 15 penetrates through the partition plate 14 and the side wall of the barrel body 1 and is arranged in the water tank 31, the lower end of the connecting pipe 15 is provided with a flow dividing pipe 16, the flow dividing pipe 16 is communicated with a heat exchange pipe 35 arranged inside the water tank 31, the wind-collecting cover 13 is in a ladder shape, and the smoke can flow along the wind-collecting cover 13, the connecting pipe 15 and the flow dividing pipe 16, furthermore, the water can flow into the heat exchange pipe 35, cold water is pre-stored in the water tank 31, heat exchange can be carried out on flue gas through the arranged heat exchange pipe 35, so that the water temperature in the water tank 31 can be improved, the use is convenient, the upper end of the water tank 31 is provided with the exhaust pipe 36, the other end of the exhaust pipe 36 is connected with the barrel 1, airflow can move the exhaust pipe 36 to enter the barrel 1 and be exhausted from the exhaust pipe 4, the upper end of the exhaust pipe 4 is provided with the outer frame 41, the filter screen 42 is arranged on the inner side of the outer frame 41, dust can be prevented from entering the exhaust pipe 4 when the barrel 1 is not used through the arranged filter screen 42, the outer side of the water tank 31 is provided with the heat preservation cover A321 and the heat preservation cover B322, one side of the heat preservation cover A321 close to the heat preservation cover B322 is provided with the magnetic groove 324, one side of the heat preservation cover B322 is provided with the magnetic block 325 matched with the magnetic groove 324, the magnetic block 324 and the magnetic block 325 are magnets with opposite attraction, through the attraction between the magnetism, can assemble heat preservation cover A321 and heat preservation cover B322, and then can keep warm to water tank 31, reduce thermal dissipation.

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 sulphuric acid production is with heat reclamation device that has flue gas heat exchange structure, includes barrel (1) and installs in bearing structure (2) of barrel (1) lower extreme, its characterized in that: a heat exchange structure (3) is arranged on one side of the cylinder body (1), and an exhaust funnel (4) is arranged at the upper end of the cylinder body (1);

heat exchange structure (3) are including setting up water tank (31) and heat preservation (32) of setting in the water tank (31) outside in barrel (1) one side to and set up drain pipe (33) in water tank (31) one side, and the outside of drain pipe (33) is provided with valve (34), and heat exchange tube (35) are still installed to the inside of water tank (31), and exhaust pipe (36) are installed to the upper end of water tank (31), and the other end and barrel (1) of exhaust pipe (36) are linked together.

2. The heat recovery device with flue gas heat exchange structure for sulfuric acid production according to claim 1, characterized in that: the supporting structure (2) comprises a square frame (21) arranged at the lower end of the cylinder body (1) and supporting legs (22) fixedly arranged at the lower end of the square frame (21).

3. The heat recovery device with flue gas heat exchange structure for sulfuric acid production according to claim 1, characterized in that: the lower extreme of barrel (1) is provided with intake pipe (11), and the one end of intake pipe (11) runs through square frame (21) to the setting is at the lower extreme of square frame (21), and the internally mounted of intake pipe (11) has and filters piece (12), and the upper end of filtering piece (12) is provided with air-collecting cover (13), and the upper end of air-collecting cover (13) is provided with baffle (14).

4. The heat recovery device with flue gas heat exchange structure for sulfuric acid production according to claim 3, characterized in that: the upper end of the air collecting cover (13) is connected with a connecting pipe (15), one end of the connecting pipe (15) penetrates through the partition plate (14) and the barrel body (1) and is arranged inside the water tank (31), the lower end of the connecting pipe (15) is further provided with a flow dividing pipe (16), and the flow dividing pipe (16) is communicated with the heat exchange pipe (35).

5. The heat recovery device with flue gas heat exchange structure for sulfuric acid production according to claim 3, characterized in that: the filtering piece (12) comprises a fine filtering net (121) and filtering cotton (122) which are arranged inside the air inlet pipe (11), and the filtering cotton (122) is arranged at the upper end of the fine filtering net (121).

6. The heat recovery device with flue gas heat exchange structure for sulfuric acid production according to claim 1, characterized in that: the heat preservation part (32) comprises a heat preservation cover A (321) and a heat preservation cover B (322) which are arranged on the outer side of the water tank (31), bayonets (323) are formed in the upper surfaces and one side surfaces of the heat preservation cover A (321) and the heat preservation cover B (322), and the two groups of bayonets (323) can form a circular structure.

7. The heat recovery device with flue gas heat exchange structure for sulfuric acid production according to claim 6, characterized in that: one side of the heat-preservation cover A (321) close to the heat-preservation cover B (322) is provided with a magnetic groove (324), and one side of the heat-preservation cover B (322) is provided with a magnetic block (325) matched with the magnetic groove (324).

8. The heat recovery device with flue gas heat exchange structure for sulfuric acid production according to claim 1, characterized in that: an outer frame (41) is arranged at the upper end of the exhaust funnel (4), and a filter screen (42) is arranged on the inner side of the outer frame (41).