CN212158240U

CN212158240U - Reation kettle waste heat recovery device

Info

Publication number: CN212158240U
Application number: CN202020370732.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Tianjin Lvtao Environmental Protection Technology Co ltd
Current assignee: Tianjin Lvtao Environmental Protection Technology Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-15
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to a reation kettle technical field specifically is a reation kettle waste heat recovery device, including the waste heat recovery case, the below of waste heat recovery case is provided with the reation kettle body, and the inside of waste heat recovery case is provided with the heat transfer chamber, and there is the inclined plane bottom in heat transfer chamber, is provided with the steam evaporation pipe on the high terminal surface on inclined plane. The heat exchange channel is arranged in the heat exchange pipeline, heat can be exchanged through the outer wall of the heat exchange pipeline and also can be exchanged through the inner wall of the heat exchange channel, and the metal heat exchange plate on the outer wall of the upper heat exchange pipeline is matched, so that the integral heat exchange effect is improved, the heat utilization rate is higher, the designed length of the heat exchange pipeline is reduced, the heat exchange pipeline is energy-saving and environment-friendly, and the cost is lower; the utility model discloses well steam evaporating pipe can be with the good income heat transfer chamber of steam in, and guaranteed the steam reflux that can not have the condensation, one-way circulation, and the structure sets up rationally, and the heat utilization is abundant, and the water of steam condensation can carry out cyclic utilization once more after the heat transfer chamber heat transfer.

Description

Reation kettle waste heat recovery device

Technical Field

The utility model relates to a reation kettle technical field specifically is a reation kettle waste heat recovery device.

Background

The reaction kettle is widely applied to pressure vessels for petroleum, chemical engineering, rubber, pesticides, dyes, medicines and foods and used for completing technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like, but the reaction kettle still has the following disadvantages in the actual use process:

in the prior art, the waste heat of the reaction kettle can not be efficiently utilized, and the phenomenon of low heat utilization rate also exists even when the heat exchange is carried out through a heat exchange pipeline. Therefore, the waste heat recovery device of the reaction kettle is provided to well solve the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reation kettle waste heat recovery device to solve the problem that proposes among the above-mentioned background art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a waste heat recovery device of a reaction kettle comprises a waste heat recovery box, wherein a reaction kettle body is arranged below the waste heat recovery box, a heat exchange cavity is arranged inside the waste heat recovery box, the bottom of the heat exchange cavity is provided with an inclined plane, a steam evaporation pipe is arranged on the high end surface of the inclined plane, a circle of steam discharge hole is arranged at the outer ring of the upper end of the steam evaporation pipe, the steam discharge hole is communicated with the inside and the outside of the steam evaporation pipe, the lower end of the steam evaporation pipe is communicated with the inside of the reaction kettle body, a heat exchange pipeline is arranged in the heat exchange cavity and is of a back-and-forth bent pipeline structure, a plurality of groups of heat exchange inner pipes which are distributed at equal intervals are integrally arranged inside the heat exchange pipeline, a heat exchange through hole is arranged at the middle position of each heat exchange inner pipe, a plurality of metal heat exchange plates are fixedly welded at the outer ring of the heat, the device comprises a reaction kettle body, a pipeline inlet, a pipeline outlet, a condensate return pipeline, a water tank, a water feeding pipe and a circulating pump, wherein the pipeline inlet and the pipeline outlet are respectively communicated with two ends of a heat exchange pipeline, the condensate return pipeline is communicated with the bottom end face of the inclined plane, the side face of the reaction kettle body is provided with the water tank, the condensate return pipeline is communicated with the water tank, the water feeding pipe and the circulating pump are arranged above the water tank, and one end, away from the water tank.

Preferably, the inclined plane is arranged in an inclined manner, and one end of the inclined plane close to the reaction kettle body is inclined upwards.

Preferably, the steam discharge hole is of an inclined pipeline structure, one end of the steam discharge hole, which is communicated with the outside of the steam evaporation pipe, is inclined downwards, and the upper end face of the steam evaporation pipe is movably attached to the inner wall above the heat exchange cavity.

Preferably, the diameter of the outer ring of the heat exchange inner pipe is smaller than that of the inner pipe of the heat exchange pipeline, and the heat exchange through holes are communicated with the outsides of the two ends of the heat exchange inner pipe.

Preferably, the heat exchange inner pipe is vertically arranged in the middle of the inside of the heat exchange pipeline, and a gap is reserved between the periphery of the heat exchange inner pipe and the inner wall of the heat exchange pipeline.

Compared with the prior art, the utility model provides a reation kettle waste heat recovery device possesses following beneficial effect:

1. the heat exchange channel is arranged in the heat exchange pipeline, heat can be exchanged through the outer wall of the heat exchange pipeline and also can be exchanged through the inner wall of the heat exchange channel, and the metal heat exchange plate on the outer wall of the upper heat exchange pipeline is matched, so that the integral heat exchange effect is improved, the heat utilization rate is higher, the designed length of the heat exchange pipeline is reduced, the heat exchange pipeline is energy-saving and environment-friendly, and the cost is lower;

2. the utility model discloses well steam evaporating pipe can be with the good discharge of steam in the heat transfer chamber, and guaranteed that there is not the steam backward flow of condensation, the one-way circulation, and the structure sets up rationally, and heat utilization is abundant, and the water of water vapor condensation can carry out cyclic utilization once more after the heat transfer of heat transfer chamber;

3. the utility model discloses well heat transfer pipeline can let in gas or water, heats water when letting in water and utilizes, heats gas when letting in gas, can heat the use, is particularly useful for using when mill heaies up through the reation kettle waste heat under the relatively cold environment, abundant utilization reation kettle's waste heat.

Drawings

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

FIG. 2 is a schematic view of the structure of the steam evaporator of the present invention;

fig. 3 is a schematic structural diagram of a part of the heat exchange pipeline of the present invention.

In the figure: 1. a reaction kettle body; 2. a waste heat recovery tank; 3. a heat exchange cavity; 4. a condensate return line; 5. a water tank; 6. a connecting pipe; 7. a steam evaporating pipe; 8. a steam discharge hole; 9. a heat exchange conduit; 10. a pipeline inlet; 11. a conduit outlet; 12. a bevel; 13. a heat exchange through hole; 14. a circulation pump; 15. a water feeding pipe; 16. a metal heat exchange plate; 17. and the heat exchange inner pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-3, the present invention provides a technical solution: a reaction kettle waste heat recovery device comprises a waste heat recovery box 2, a reaction kettle body 1 is arranged below the waste heat recovery box 2, a heat exchange cavity 3 is arranged inside the waste heat recovery box 2, an inclined surface 12 is arranged at the bottom of the heat exchange cavity 3, the inclined surface 12 is arranged in an inclined manner, one end, close to the reaction kettle body 1, of the inclined surface 12 inclines upwards, and condensed water is guaranteed to flow out towards a condensed fluid return pipeline 4;

referring to fig. 1 and 2, a steam evaporation pipe 7 is arranged on a high end face of an inclined plane 12, a circle of steam discharge holes 8 are formed in the outer ring of the upper end of the steam evaporation pipe 7, the steam discharge holes 8 are communicated with the inside and the outside of the steam evaporation pipe 7, the steam discharge holes 8 are of an inclined pipeline structure, one ends of the steam discharge holes 8 communicated with the outside of the steam evaporation pipe 7 are inclined downwards, the upper end face of the steam evaporation pipe 7 is movably attached to the upper inner wall of the heat exchange cavity 3, the outer ends of the steam discharge pipes 8 are inclined downwards, it is guaranteed that water drops formed after steam condensation cannot flow back into the steam evaporation pipe 7 due to gravity, the structural design is reasonable, and the steam discharge holes 8 are formed in the upper end of the heat exchange;

referring to fig. 1 and 3, the lower end of a steam evaporation tube 7 is communicated with the inside of a reaction kettle body 1, a heat exchange pipeline 9 is arranged in a heat exchange cavity 3, the heat exchange pipeline 9 is of a back-and-forth bent pipeline structure, a plurality of groups of heat exchange inner tubes 17 which are distributed equidistantly are integrally arranged in the heat exchange pipeline 9, a heat exchange through hole 13 is formed in the middle of each heat exchange inner tube 17, the diameter of the outer ring of each heat exchange inner tube 17 is smaller than that of the inner tube of the heat exchange pipeline 9, and the heat exchange through holes 13 are communicated with the outer parts of two ends of each heat exchange inner tube 17, so that the steam is ensured to pass through, the contact area;

wherein, heat exchange inner tube 17 sets up the inside intermediate position at heat exchange tube 9 perpendicularly, leaves the clearance around heat exchange inner tube 17 and between the pipeline inner wall of heat exchange tube 9, has guaranteed the circulation of heat exchange tube 9 inside gas or liquid.

Fixed welding has multiunit metal heat transfer board 16 in heat transfer pipeline 9's outer lane department, the upper surface and the side of waste heat recovery case 2 are provided with pipeline import 10 and pipeline export 11 respectively, pipeline import 10 and pipeline export 11 communicate respectively and set up the both ends at heat transfer pipeline 9, the intercommunication is provided with condensate backflow pipeline 4 on the bottom face of inclined plane 12, the side of reation kettle body 1 is provided with water tank 5, communicate between condensate backflow pipeline 4 and the water tank 5, the top of water tank 5 is provided with filler pipe 15 and circulating pump 14, circulating pump 14 keeps away from the one end of water tank 5 and communicates through connecting pipe 6 between the reation kettle body 1.

The working principle is as follows: the utility model discloses during operation, the steam inside reation kettle body 1 rises through steam evaporating pipe 7, discharges into heat transfer chamber 3 through steam discharge hole 8 of steam evaporating pipe 7 upper end, and steam exchanges heat through heat transfer pipeline 9 outer wall, heat transfer inner tube 17 inner wall and metal heat transfer board 16, has improved the area of contact between steam and the pipeline, increases heat transfer efficiency, need not to set up very long heat transfer pipeline 9, and energy-concerving and environment-protective, and heat transfer inner tube 17 separates heat transfer pipeline 9 inside, has reduced the internal diameter of heat transfer pipeline 9, has the purpose that heat transfer efficiency is fast;

wherein, heat transfer pipeline 9 can let in gas or water, heats water when leading in water and utilizes, heats gas when letting in gas, can heat the use, especially is applicable to and uses when rising temperature through the reation kettle waste heat in mill under the relatively cold environment, abundant utilization the waste heat of reation kettle body 1.

Steam in the heat exchange cavity 3 is subjected to heat exchange and condensation through the heat exchange pipeline 9, flows into the water tank 5 from the condensation backflow pipeline 4 along the inclined plane 12, and water in the water tank 5 is pumped into the connecting pipe 6 again by the circulating pump 14 and is discharged into the reaction kettle body 1 for use.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 reation kettle waste heat recovery device, includes waste heat recovery case (2), its characterized in that: a reaction kettle body (1) is arranged below the waste heat recovery box (2), a heat exchange cavity (3) is arranged inside the waste heat recovery box (2), an inclined surface (12) is arranged at the bottom of the heat exchange cavity (3), a steam evaporation pipe (7) is arranged on the high end surface of the inclined surface (12), a circle of steam discharge holes (8) are formed in the outer ring of the upper end of the steam evaporation pipe (7), the steam discharge holes (8) are communicated with the inside and the outside of the steam evaporation pipe (7), the lower end of the steam evaporation pipe (7) is communicated with the inside of the reaction kettle body (1), a heat exchange pipeline (9) is arranged in the heat exchange cavity (3), the heat exchange pipeline (9) is of a pipeline structure which is bent back and forth, a plurality of groups of heat exchange inner pipes (17) are distributed equidistantly are integrally arranged inside the heat exchange pipeline (9), and a heat exchange through hole (13) is formed in the, the fixed welding of heat transfer pipeline's outer lane department has multiunit metal heat transfer board (16), the upper surface and the side of waste heat recovery case (2) are provided with pipeline import (10) and pipeline export (11) respectively, pipeline import (10) and pipeline export (11) communicate the both ends that set up in heat transfer pipeline (9) respectively, the intercommunication is provided with condensate backflow pipeline (4) on the bottom face on inclined plane (12), the side of reation kettle body (1) is provided with water tank (5), communicate between condensate backflow pipeline (4) and water tank (5), the top of water tank (5) is provided with filler pipe (15) and circulating pump (14), communicate through connecting pipe (6) between one end and the reation kettle body (1) of keeping away from water tank (5) circulating pump (14).

2. The waste heat recovery device of the reaction kettle according to claim 1, characterized in that: the inclined plane (12) is obliquely arranged, and one end of the inclined plane (12) close to the reaction kettle body (1) is inclined upwards.

3. The waste heat recovery device of the reaction kettle according to claim 1, characterized in that: the steam discharge hole (8) is of an inclined pipeline structure, one end of the steam discharge hole (8) communicated with the outside of the steam evaporation pipe (7) is inclined downwards, and the upper end face of the steam evaporation pipe (7) is movably attached to the inner wall above the heat exchange cavity (3).

4. The waste heat recovery device of the reaction kettle according to claim 1, characterized in that: the diameter of the outer ring of the heat exchange inner pipe (17) is smaller than that of the inner pipe of the heat exchange pipeline (9), and the heat exchange through holes (13) are communicated with the outsides of two ends of the heat exchange inner pipe (17).

5. The waste heat recovery device of the reaction kettle according to claim 1, characterized in that: the heat exchange inner pipe (17) is vertically arranged in the middle of the inside of the heat exchange pipeline (9), and a gap is reserved between the periphery of the heat exchange inner pipe (17) and the inner wall of the heat exchange pipeline (9).