CN219423733U

CN219423733U - Evaporator with waste heat recovery function

Info

Publication number: CN219423733U
Application number: CN202320477180.7U
Authority: CN
Inventors: 续瑞; 杨正社
Original assignee: Shanxi Huafengyang Technology Co ltd
Current assignee: Shanxi Huafengyang Technology Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-07-28
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses an evaporator with a waste heat recovery function, which relates to the field of urotropine, and aims at solving the problems that the temperature in an evaporation box is easy to reduce, heat in steam is not recovered, the waste heat recovery effect is poor, the practicability is low, urotropine solution is not stirred, the urotropine solution is heated unevenly and the evaporation efficiency is low, and the evaporator comprises a heat-insulating shell, an inner container and a heat-insulating cover, wherein a plurality of steam pipes are fixedly arranged on the inner wall of the upper part of the inner container, and a stirring mechanism is arranged in the inner container and comprises a transmission shaft, a plurality of fixing rods, a plurality of support rods, a plurality of ceramic heating rods and a plurality of scraping plates. The utility model can recover the heat of the water vapor, does not cause the reduction of the internal temperature, has good waste heat recovery effect, improves the practicability, can lead the urotropine solution to be heated uniformly, accelerates the evaporation speed of the urotropine solution and improves the evaporation efficiency.

Description

Evaporator with waste heat recovery function

Technical Field

The utility model relates to the technical field of urotropine, in particular to an evaporator with a waste heat recovery function.

Background

Urotropine is an important chemical product, and can be used as a curing agent of phenolic plastics, a catalyst of aminoplasts and an accelerator of rubber vulcanization, and in the prior art, a liquid phase method is often used for producing urotropine, namely urotropine solution is evaporated and then dried, so that urotropine particles are obtained.

Through retrieval, chinese patent (application number is 202022455242.3) discloses an evaporation device with a waste heat recovery function for urotropine production, wherein the device comprises a base, and an evaporation waste heat recovery structure is arranged on the base; the evaporation waste heat recovery structure includes: retrieve subassembly, evaporation box, heating plate, box lid, two notes material pipes and steam pipe, however, above-mentioned device has following problem in the use:

1. the first circulating coil wound on the outer wall of the evaporation box body is used for exchanging heat with the evaporation box body, so that the temperature in the evaporation box body is easy to reduce, meanwhile, heat in steam is not recovered, a large amount of heat is taken away by the steam, the waste heat recovery effect is poor, and the practicability is low;

2. when the urotropine solution is heated and evaporated, the urotropine solution is not stirred, so that the urotropine solution is heated unevenly and the evaporation efficiency is low.

Disclosure of Invention

The utility model provides an evaporator with a waste heat recovery function, which solves the problems that the temperature in an evaporation box body is easy to be reduced due to comparison files, the heat in steam is not recovered, the waste heat recovery effect is poor, the practicability is low, the urotropine solution is not stirred, the urotropine solution is heated unevenly, and the evaporation efficiency is low.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an evaporimeter with waste heat recovery function, includes heat preservation shell, inner bag and heat preservation lid, set firmly a plurality of steam pipe on the inner wall of inner bag upper portion, be equipped with rabbling mechanism in the inner bag, rabbling mechanism includes transmission shaft, a plurality of dead lever, a plurality of bracing piece, a plurality of ceramic heating rod and a plurality of scraper blade, the row material pipe has set firmly on the inner bag bottom inner wall, and arranges the material pipe and run through and set firmly on the outer wall of heat preservation shell bottom, it is equipped with shutoff mechanism to arrange the material intraductal.

Preferably, the bottom plate is fixedly arranged on the outer wall of the lower part of the heat-insulating shell, and the supporting legs are fixedly arranged on the outer walls of four corners of the bottom plate.

Preferably, a plurality of drain pipes are fixedly arranged on the inner wall of the bottom of the heat-insulating shell, a pressure release valve is arranged on the outer wall of one end of each drain pipe in a butt-clamping manner, the inner container is fixedly arranged on the inner wall of the upper part of the heat-insulating shell, and a one-way valve is arranged on the outer wall of one end of each steam pipe in a butt-clamping manner.

Through the scheme, the urotropine solution in the inner container is heated to evaporate water, and generated water vapor enters a gap between the heat insulation shell and the inner container from the steam pipe, so that liquefaction and heat release are carried out, and the inner container is heated again.

Preferably, the heat preservation lid passes through bolted connection on heat preservation shell top outer wall, and has set firmly the inlet pipe on the outer wall that heat preservation lid bottom is located the inner bag, installs sealed ball valve to the clamp on inlet pipe one end outer wall.

Preferably, the servo motor is connected to the outer wall of the top of the heat preservation cover through bolts, a driving bevel gear is fixedly arranged on the outer wall of one end of an output shaft of the servo motor, the transmission shaft penetrates through and is connected to the outer wall of the top of the heat preservation cover through a bearing, a driven bevel gear is fixedly arranged on the outer wall of the upper portion of the transmission shaft, the driving bevel gear and the driven bevel gear are meshed with each other to form transmission fit, the fixing rod is fixedly arranged on the outer wall of the middle of the transmission shaft, the supporting rod is fixedly arranged on the outer wall of the lower portion of the transmission shaft, two ends of the ceramic heating rod are fixedly arranged on the outer wall of one opposite side of the fixing rod and the supporting rod respectively, the scraping plate is fixedly arranged on the outer wall of one opposite side of the fixing rod and the supporting rod, an electric slip ring is fixedly arranged on the outer wall of the upper portion of the transmission shaft, and the ceramic heating rod is electrically connected with the electric slip ring through a wire.

Through foretell scheme, drive bevel gear, driven bevel gear, transmission shaft, a plurality of ceramic heating rod and a plurality of scraper blade rotation are driven in the rotation of servo motor output shaft, and the scraper blade stirs urotropine solution for urotropine solution evaporation of moisture, and the ceramic heating rod heats urotropine solution while rotating for urotropine solution is heated evenly.

Preferably, the plugging mechanism comprises a fixed cover connected to the outer wall of the lower part of the discharge pipe through a bolt, a connecting rod fixedly arranged on the inner wall of the bottom of the fixed cover, and a plugging block fixedly arranged on the outer wall of the top end of the connecting rod, wherein the plugging block is sleeved in the discharge pipe in a sliding manner.

The beneficial effects of the utility model are as follows:

1. be provided with a plurality of steam pipe, the vapor that urotropine solution was heated and is produced directly enters into the clearance between heat preservation shell and the inner bag from the steam pipe in, and then the liquefaction is exothermic, heats once more the inner bag, can retrieve the heat of vapor, can not cause inside temperature to reduce, and waste heat recovery is effectual, has improved the practicality.

2. Be provided with rabbling mechanism, servo motor output shaft rotates and drives driving bevel gear, driven bevel gear, transmission shaft, a plurality of pottery heating rod and a plurality of scraper blade and rotate, and the scraper blade stirs urotropine solution for urotropine solution evaporation of moisture, and the pottery heating rod heats urotropine solution while rotating for urotropine solution is heated evenly, can make urotropine solution be heated evenly, accelerates urotropine solution evaporation rate, has improved evaporation efficiency.

In conclusion, the heat recovery device can recover the heat of the water vapor, meanwhile, the internal temperature is not reduced, the waste heat recovery effect is good, the practicability is improved, the urotropine solution is heated uniformly, the evaporation speed of the urotropine solution is accelerated, and the evaporation efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of a front view cross-section structure of an evaporator with a waste heat recovery function according to the present utility model.

Fig. 2 is a schematic diagram of a cross-sectional front view of a stirring mechanism of an evaporator with a waste heat recovery function according to the present utility model.

Fig. 3 is a schematic diagram of a front view cross-section structure of a plugging mechanism of an evaporator with a waste heat recovery function according to the present utility model.

In the figure: 1. a thermal insulation housing; 2. an inner container; 3. a steam pipe; 4. a thermal insulation cover; 5. a stirring mechanism; 501. a servo motor; 502. a drive bevel gear; 503. a transmission shaft; 504. a driven bevel gear; 505. a fixed rod; 506. a support rod; 507. a ceramic heating rod; 508. a scraper; 6. a discharge pipe; 7. a plugging mechanism; 701. a fixed cover; 702. a connecting rod; 703. and (5) plugging the block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Embodiment 1, refer to fig. 1, an evaporator with waste heat recovery function, including heat preservation shell 1, inner bag 2 and heat preservation lid 4, the bottom plate has been set firmly on the outer wall of heat preservation shell 1 lower part, all set firmly the supporting leg on the four corners outer wall of bottom plate bottom, set firmly a plurality of drain pipe on the inner wall of heat preservation shell 1 bottom, install the relief valve to the clamp on the outer wall of drain pipe one end, inner bag 2 sets firmly on the inner wall of heat preservation shell 1 upper portion, the check valve is installed to the clamp on the outer wall of steam pipe 3 one end, set firmly a plurality of steam pipe 3 on the inner wall of inner bag 2 upper portion, heat preservation lid 4 passes through bolted connection on heat preservation shell 1 top outer wall, the feed pipe has been set firmly on the outer wall that heat preservation lid 4 bottom is located inner bag 2, install sealed ball valve to the clamp on the outer wall of feed pipe one end.

Embodiment 2, refer to fig. 1 and 2, an evaporator with waste heat recovery function, further comprising a stirring mechanism 5, stirring mechanism 5 includes transmission shaft 503, a plurality of dead lever 505, a plurality of bracing piece 506, a plurality of ceramic heating rod 507 and a plurality of scraper blade 508 keep warm and cover 4 top outer wall on have servo motor 501 through bolted connection, drive bevel gear 502 has been set firmly on servo motor 501 output shaft one end outer wall, transmission shaft 503 runs through and connects on the top outer wall of keep warm and cover 4 through the bearing, drive bevel gear 502 has been set firmly on the upper portion outer wall of transmission shaft 503, drive bevel gear 502 and driven bevel gear 504 intermesh form the transmission cooperation, dead lever 505 sets firmly on transmission shaft 503 middle part outer wall, bracing piece 506 sets firmly on transmission shaft 503 lower part outer wall, ceramic heating rod 507 and scraper blade 508 both ends set firmly respectively on the outer wall of dead lever 505 and bracing piece 506 opposite one side, dead lever 505, bracing piece 506 and scraper blade 507 all contact with the inner wall of inner bag 2, set firmly electrical slip ring on the upper portion outer wall of transmission shaft 503, ceramic heating rod 507 passes through the wire and is connected with electrical slip ring, avoid the wire to take place the slip ring winding when ceramic heating rod rotates.

Embodiment 3, refer to fig. 1 and 3, an evaporator with waste heat recovery function has still included shutoff mechanism 7, row material pipe 6 has been set firmly on the inner wall of inner bag 2 bottom, row material pipe 6 runs through and sets firmly on the outer wall of heat preservation shell 1 bottom, shutoff mechanism 7 includes through bolted connection fixed cover 701 on row material pipe 6 lower part outer wall, set firmly connecting rod 702 on the inner wall of fixed cover 701 bottom and set firmly the shutoff piece 703 on connecting rod 702 top outer wall, the shutoff piece 703 slip cap is located row material pipe 6.

Working principle: adding urotropine solution to be evaporated into the inner container 2 from the feeding pipe, then closing the sealing ball valve, starting the servo motor 501 and the ceramic heating rods 507, driving the driving bevel gear 502, the driven bevel gear 504, the transmission shaft 503, the ceramic heating rods 507 and the scrapers 508 to rotate by the rotation of the output shaft of the servo motor 501, stirring the urotropine solution by the scrapers 508, heating the urotropine solution while rotating by the ceramic heating rods 507, so that the urotropine solution is heated uniformly, water vapor generated by heating directly enters a gap between the heat insulation shell 1 and the inner container 2 from the steam pipe 3, further liquefying and releasing heat, heating the inner container 2 again, taking down the plugging blocks 703, and recovering urotropine particles in the inner container 2.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The evaporator with the waste heat recovery function comprises a heat insulation shell (1), an inner container (2) and a heat insulation cover (4), and is characterized in that a plurality of steam pipes (3) are fixedly arranged on the inner wall of the upper part of the inner container (2);

a stirring mechanism (5) is arranged in the inner container (2), and the stirring mechanism (5) comprises a transmission shaft (503), a plurality of fixing rods (505), a plurality of supporting rods (506), a plurality of ceramic heating rods (507) and a plurality of scraping plates (508);

the inner wall of the bottom of the liner (2) is fixedly provided with a discharge pipe (6), the discharge pipe (6) penetrates through and is fixedly arranged on the outer wall of the bottom of the heat insulation shell (1), and the discharge pipe (6) is internally provided with a blocking mechanism (7).

2. The evaporator with the waste heat recovery function according to claim 1, wherein a bottom plate is fixedly arranged on the outer wall of the lower part of the heat preservation shell (1), and supporting legs are fixedly arranged on the outer walls of four corners of the bottom plate.

3. The evaporator with the waste heat recovery function according to claim 1, wherein a plurality of drain pipes are fixedly arranged on the inner wall of the bottom of the heat-preserving shell (1), a pressure release valve is arranged on the outer wall of one end of each drain pipe in a butt-clamping manner, the inner container (2) is fixedly arranged on the inner wall of the upper part of the heat-preserving shell (1), and a one-way valve is arranged on the outer wall of one end of each steam pipe (3) in a butt-clamping manner.

4. The evaporator with the waste heat recovery function according to claim 1, wherein the heat preservation cover (4) is connected to the outer wall of the top of the heat preservation shell (1) through bolts, a feeding pipe is fixedly arranged on the outer wall of the bottom of the heat preservation cover (4) located in the liner (2), and a sealing ball valve is installed on the outer wall of one end of the feeding pipe in a butt clamp mode.

5. The evaporator with waste heat recovery function according to claim 1, wherein the outer wall of the top of the heat preservation cover (4) is connected with a servo motor (501) through bolts, a driving bevel gear (502) is fixedly arranged on the outer wall of one end of an output shaft of the servo motor (501), the transmission shaft (503) penetrates through and is connected to the outer wall of the top of the heat preservation cover (4) through a bearing, a driven bevel gear (504) is fixedly arranged on the outer wall of the upper portion of the transmission shaft (503), the driving bevel gear (502) and the driven bevel gear (504) are meshed with each other to form transmission fit, the fixing rod (505) is fixedly arranged on the outer wall of the middle of the transmission shaft (503), the supporting rod (506) is fixedly arranged on the outer wall of the lower portion of the transmission shaft (503), two ends of a ceramic heating rod (507) are fixedly arranged on the outer wall of one side opposite to the fixing rod (505) and the supporting rod (506), an electric heating rod (507) is fixedly arranged on the outer wall of the upper portion of the transmission shaft (503) through a wire and is electrically connected with an electric slip ring.

6. The evaporator with the waste heat recovery function according to claim 1, wherein the plugging mechanism (7) comprises a fixed cover (701) connected to the outer wall of the lower portion of the discharge pipe (6) through bolts, a connecting rod (702) fixedly arranged on the inner wall of the bottom of the fixed cover (701) and a plugging block (703) fixedly arranged on the outer wall of the top end of the connecting rod (702), and the plugging block (703) is slidably sleeved in the discharge pipe (6).