CN212778618U

CN212778618U - Precoated sand boiling type regeneration furnace

Info

Publication number: CN212778618U
Application number: CN202021770951.4U
Authority: CN
Inventors: 余俊
Original assignee: Jiangxi Texin Industrial Co ltd
Current assignee: Jiangxi Texin Industrial Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-03-23
Anticipated expiration: 2030-08-21

Abstract

The utility model relates to a precoated sand boiling type regenerative furnace, which comprises a regenerative furnace body, wherein the top of the regenerative furnace body is fixedly connected with a heat insulation plate, the top of the heat insulation plate is fixedly connected with a shell, an air duct is arranged in the shell, the bottom end of the air duct is communicated with an air outlet, the air outlet is communicated with the regenerative furnace body, the air duct comprises a cooling section, a filtering section and an adsorption section, the filtering section is provided with two filter screens in parallel, one side of each filter screen is provided with a cleaning brush, the brush hair of the cleaning brush contacts with the filter screen, the cleaning brush is fixedly connected with a rotating rod, one end of the rotating rod is connected with a motor through the air duct, the adsorption section is provided with activated carbon particles, the activated carbon particles are arranged at the rear section of the air duct, the top of the air duct is communicated with a threaded ring, the threaded ring is arranged, avoiding the pollution to the environment.

Description

Precoated sand boiling type regeneration furnace

Technical Field

The utility model relates to a tectorial membrane sand boiling type regenerator belongs to tectorial membrane sand recovery plant technical field.

Background

The precoated sand mainly adopts high-quality selected natural quartz sand as raw sand, thermoplastic phenolic resin, urotropine and reinforcing agent as raw materials, according to different technical requirements of users, the proportion is properly adjusted in the aspects of curing speed, stripping property, fluidity, collapsibility, casting surface finish, storage and the like, is one of the best molding materials of automobiles, tractors, hydraulic parts and the like, because the precoated sand mold cavity can not be used for the second time after being used, a large amount of precoated sand waste can be generated, the casting cost is higher, therefore, the method has important significance for recycling the old precoated sand, and a boiling type regeneration furnace is required to be used when the old precoated sand is recycled, however, the existing boiling type regeneration furnace for the precoated sand generates a large amount of waste gas in the process of roasting the precoated sand, since direct discharge causes air pollution, a fluidized regenerator for precoated sand is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model overcomes current defect, provides a tectorial membrane sand boiling regenerator to solve the problem in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a precoated sand boiling type regeneration furnace comprises a regeneration furnace body, wherein the top of the regeneration furnace body is fixedly connected with a heat insulation plate, the top of the heat insulation plate is fixedly connected with a shell, an air duct is arranged in the shell, the bottom end of the air duct is communicated with an air outlet, the gas outlet is communicated with the regeneration furnace body, the gas guide pipe comprises a cooling section, a filtering section and an adsorption section, the filtering section is provided with two filter screens in parallel, one side of each filter screen is provided with a cleaning brush, the brush hair of the cleaning brush contacts the filter screen, the cleaning brush is fixedly connected with a rotating rod, one end of the rotating rod penetrates through the air duct and is connected with a motor, the adsorption section is provided with activated carbon particles, and the activated carbon particles are arranged at the rear section of the air duct, the top of the air duct is communicated with a threaded ring, the threaded ring is arranged at the top of the shell, and the threaded ring is in threaded connection with an exhaust pipe.

Furthermore, the heat insulation board comprises an upper board body, a lower board body, a glass fiber heat insulation layer and heat insulation cotton, wherein the glass fiber heat insulation layer and the heat insulation cotton are arranged between the upper board body and the lower board body, and the glass fiber heat insulation layer is arranged at the top of the heat insulation cotton.

Furthermore, two flow equalizing plates which are arranged in parallel are arranged in the cooling section.

Furthermore, a cooling water pipe is arranged on the outer side of the cooling section and wound on the air guide pipe.

Furthermore, the two ends of the cooling water pipe are respectively connected with a water inlet and a water outlet, and the water inlet and the water outlet are arranged on one side of the shell.

The utility model has the advantages that: 1. by arranging the two filter screens and the activated carbon particles, the discharged waste gas is filtered and adsorbed, so that pollutants in the waste gas are removed, and the air environment is prevented from being polluted;

2. through the arrangement of the motor, the rotating rod, the cleaning brush and other structures, the cleaning brush is driven to rotate by the motor, so that impurities attached to the filter screen are cleaned, the filter screen is prevented from being blocked, and the using effect is improved;

3. through setting up structures such as cooling zone, condenser tube, water inlet, delivery port, adopt water to absorb the heat in the waste gas to produce hot water and be used for other applications, avoid the waste of heat energy.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a front view of a precoated sand fluidized bed regenerator according to the present invention;

FIG. 2 is a schematic view of the internal structure of the shell of the precoated sand fluidized bed regenerator of the present invention;

FIG. 3 is a side view of a filter screen of a precoated sand fluidized bed regenerator according to the present invention;

FIG. 4 is a sectional view of a heat insulation plate of the precoated sand fluidized bed regenerator of the present invention.

Reference numbers in the figures: 1. a regenerator body; 2. a heat insulation plate; 3. a housing; 4. an air duct; 5. an air outlet; 6. a cooling section; 7. a filtration section; 8. an adsorption section; 9. a filter screen; 10. cleaning a brush; 11. rotating the rod; 12. a motor; 13. activated carbon particles; 14. a threaded ring; 15. an exhaust pipe; 16. an upper plate body; 17. a lower plate body; 18. a glass fiber thermal insulation layer; 19. heat preservation cotton; 20. a flow equalizing plate; 21. a cooling water pipe; 22. a water inlet; 23. and (7) a water outlet.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-3, a precoated sand boiling type regenerator comprises a regenerator body 1, a heat insulation board 2 is fixedly connected to the top of the regenerator body 1, a housing 3 is fixedly connected to the top of the heat insulation board 2, an air duct 4 is arranged in the housing 3, the bottom end of the air duct 4 is communicated with an air outlet 5, the air outlet 5 is communicated with the regenerator body 1, the air duct 4 comprises a cooling section 6, a filtering section 7 and an adsorption section 8, the filtering section 7 is provided with two filtering nets 9 in parallel, a cleaning brush 10 is arranged on one side of each filtering net 9, bristles of the cleaning brush 10 are contacted with the filtering net 9, the cleaning brush 10 is fixedly connected with a rotating rod 11, one end of the rotating rod 11 penetrates through the air duct 4 and is connected with a motor 12, the adsorption section 8 is provided with activated carbon particles 13, and the activated carbon particles 13 are arranged on the, the top of the air duct 4 is communicated with a threaded ring 14, the threaded ring 14 is arranged at the top of the shell 3, and the threaded ring 14 is in threaded connection with an exhaust pipe 15.

Specifically, as shown in fig. 2, two flow equalizing plates 20 arranged in parallel are arranged in the cooling section 6, a cooling water pipe 21 is arranged outside the cooling section 6, the cooling water pipe 21 is wound on the air duct 4, two ends of the cooling water pipe 21 are respectively connected with a water inlet 22 and a water outlet 23, and the water inlet 22 and the water outlet 23 are arranged on one side of the housing 3.

Specifically, as shown in fig. 4, the heat insulation board 2 includes an upper board body 16, a lower board body 17, a glass fiber heat insulation layer 18, and heat insulation cotton 19, the glass fiber heat insulation layer 18 and the heat insulation cotton 19 are disposed between the upper board body 16 and the lower board body 17, and the glass fiber heat insulation layer 18 is disposed on the top of the heat insulation cotton 19.

The utility model discloses the theory of operation: during the use, the waste gas that the calcination produced is through in the leading-in air duct 4 of gas outlet 5, and then through cooling section 6, waste gas evenly flows behind flow equalizing plate 20, the heat energy in the waste gas is absorbed to the water in condenser tube 21, and then waste gas is through filter segment 7, filter screen 9 filters the large granule impurity in the waste gas, and then waste gas is through adsorption segment 8, adsorb impurity wherein by active carbon particle 13, finally, waste gas is through exhaust pipe 15 discharge, after long-time the use, it has impurity to adhere to on the filter screen 9, starter motor 12, and then dwang 11 drives clearance brush 10 and rotates, thereby the adnexed impurity on the clearance filter screen 9, be favorable to the processing of waste gas.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A precoated sand boiling type regenerative furnace comprises a regenerative furnace body (1) and is characterized in that a heat insulation plate (2) is fixedly connected to the top of the regenerative furnace body (1), a shell (3) is fixedly connected to the top of the heat insulation plate (2), an air duct (4) is arranged in the shell (3), the bottom end of the air duct (4) is communicated with an air outlet (5), the air outlet (5) is communicated with the regenerative furnace body (1), the air duct (4) comprises a cooling section (6), a filtering section (7) and an adsorption section (8), two filter screens (9) are arranged in parallel on the filtering section (7), a cleaning brush (10) is arranged on one side of each filter screen (9), bristles of the cleaning brush (10) are in contact with the filter screens (9), a rotating rod (11) is fixedly connected to the cleaning brush (10), one end of the rotating rod (11) penetrates through the air duct (4) and, adsorption section (8) are equipped with activated carbon particle (13), just the back end of air duct (4) is located in activated carbon particle (13), air duct (4) top intercommunication has screw thread ring (14), just shell (3) top is located in screw thread ring (14), screw thread ring (14) threaded connection has blast pipe (15).

2. The precoated sand boiling-type regeneration furnace according to claim 1, characterized in that: the heat insulation board (2) comprises an upper board body (16), a lower board body (17), a glass fiber heat insulation layer (18) and heat insulation cotton (19), wherein the glass fiber heat insulation layer (18) and the heat insulation cotton (19) are arranged between the upper board body (16) and the lower board body (17), and the top of the heat insulation cotton (19) is arranged on the glass fiber heat insulation layer (18).

3. The precoated sand boiling-type regeneration furnace according to claim 1, characterized in that: two flow equalizing plates (20) which are arranged in parallel are arranged in the cooling section (6).

4. The precoated sand boiling-type regeneration furnace according to claim 1, characterized in that: and a cooling water pipe (21) is arranged on the outer side of the cooling section (6), and the cooling water pipe (21) is wound on the air guide pipe (4).

5. The precoated sand fluidized bed regenerator according to claim 4, characterized in that: and the two ends of the cooling water pipe (21) are respectively connected with a water inlet (22) and a water outlet (23), and the water inlet (22) and the water outlet (23) are arranged on one side of the shell (3).