CN214437691U

CN214437691U - Environment-friendly circulating fluidized bed furnace

Info

Publication number: CN214437691U
Application number: CN202120427118.8U
Authority: CN
Inventors: 朱发科; 王洪东; 刘宝清; 赖玉松
Original assignee: Anning Longkun Industry And Trade Co ltd
Current assignee: Anning Longkun Industry And Trade Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-10-22
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a circulating fluidized bed furnace of environment-friendly, handle case, convulsions structure, first processing structure and second processing structure including base, main part, collection box, first processing case, second, main part, collection box, first processing case and second are handled the case and all are installed in the upper end surface department of base, one side department of main part is provided with the slag notch, just the bottom of slag notch and the inside top department intercommunication of collection box are connected, and first processing case passes through the convulsions structure and is connected with the inside top intercommunication of collection box, it is connected through the connecting pipe intercommunication between case and the first processing case to handle the second, one side of case is handled to the second is provided with the exhaust port, the front department that collection box and second were handled the case has all seted up the working door. The utility model discloses be convenient for carry out multiple and effectual filtration purification treatment to the flue gas that produces after the ore deposit discharges to effectual its holistic emission feature of environmental protection that has improved, the practicality is higher.

Description

Environment-friendly circulating fluidized bed furnace

Technical Field

The utility model relates to a fluidized bed furnace equipment field specifically is a circulating fluidized bed furnace of environment-friendly.

Background

Fluidized bed roaster, also called fluidized bed roaster, is a device for roasting sulfide ore by solid fluidization technology, the roasting process has reaction heat to be released, gas containing sulfur dioxide is mainly produced to be sulfuric acid, slag is used as metallurgical raw material, and the fluidized bed roasting technology of sulfide ore is developed by Badenamine soda ash company of Federal Germany and Dol company of America respectively in the 50 s.

However, the conventional fluidized bed furnace has the following disadvantages:

when the slay ejection of compact, the slay still can produce more flue gas, if these flue gases do not carry out effectual processing, then can influence near discharge environment and operational environment greatly, be unfavorable for environmental protection development theory, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circulating fluidized bed furnace of environment-friendly to solve traditional fluidized bed furnace when the slay ejection of compact, the slay still can produce more flue gas, if these flue gases are not carrying out effectual processing, then can influence near discharge environment and operational environment greatly, be unfavorable for environmental protection development theory, the relatively poor problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly circulating fluidized bed furnace comprises a base, a main body, a recovery box, a first processing box, a second processing box, an air draft structure, a first processing structure and a second processing structure, wherein the main body, the recovery box, the first processing box and the second processing box are all arranged at the upper end surface of the base, a slag hole is formed in one side of the main body, the bottom of the slag hole is communicated and connected with the inner top end of the recovery box, the first processing box is communicated and connected with the inner top end of the recovery box through the air draft structure, the second processing box is communicated and connected with the first processing box through a connecting pipe, an exhaust hole is formed in one side of the second processing box, working doors are arranged at the front sides of the recovery box and the second processing box, the two working doors are respectively connected with the recovery box and the second processing box in a sealing mode when closed, a water inlet pipe is arranged at the top of the first processing box, the front surface of the first treatment tank is provided with a drain pipe near the bottom end thereof, the first treatment structure is installed at the back surface side and the inner top end of the first treatment tank, and the second treatment structure is installed in the inner part of the second treatment tank.

Preferably, the convulsions structure includes exhaust column, air-collecting cover and pipe, the exhaust column is installed in the top department of collection box, just the exhaust column is connected with the collection box intercommunication, the air-collecting cover is installed in the top department of exhaust column, just the inside department of air-collecting cover is provided with the air exhauster, the both ends of pipe are connected with the inside intercommunication of air-collecting cover and first processing case respectively.

Preferably, the first treatment structure comprises a circulating pipe, a circulating pump and a spraying plate, two ends of the circulating pipe are respectively communicated and connected with one side of the back surface and the top end of the first treatment box, the circulating pump is installed at one end of the back surface of the circulating pipe close to the second treatment box, and the top of the spraying plate is communicated and connected with one end of the circulating pipe penetrating through the top of the first treatment box.

Preferably, the height of the shower plate is higher than that of the guide pipe.

Preferably, the inner bottom end of the first treatment tank is provided with an intercepting screen near the circulating pipe.

Preferably, the structure is handled to the second is including installation piece, filter screen board and active carbon otter board, the installation piece is provided with four groups, four groups installation piece fixed mounting is in the inside upper and lower end department that the case was handled to the second respectively, filter screen board and active carbon otter board clamp respectively between two sets of installation pieces, just filter screen board is close to in first processing case.

The utility model provides a circulating fluidized bed furnace of environment-friendly possesses following beneficial effect:

the utility model discloses a be provided with the convulsions structure, first processing structure and second processing structure, make at the main part during operation, can discharge the slay to the recycling bin, then produce the flue gas pumping with the slay through the convulsions structure and send to the first processing box in, and carry out the clear water circulation through first processing structure and spray, with the effectual filtration of particulate matter in the flue gas, carry it to the second processing box again, then carry out further filtration and harmful substance adsorption purification treatment to it through filter plate and active carbon otter board, discharge at last again, can effectually avoid the flue gas pollution after the slay discharges to near environment, the feature of environmental protection has been improved, the practicality is higher.

Drawings

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

FIG. 2 is a front view of the recycling bin of the present invention;

FIG. 3 is a side view and a sectional view of the installation of the shower plate of the present invention;

FIG. 4 is a schematic view of the installation of the exhaust fan of the present invention;

fig. 5 is an enlarged schematic view of a point a in fig. 1.

In the figure: 1. a base; 2. a main body; 3. a recycling bin; 4. a first treatment tank; 5. a second treatment tank; 6. a slag outlet; 7. a working door; 8. an exhaust pipe; 9. a wind collecting cover; 10. a conduit; 11. an exhaust fan; 12. a circulation pipe; 13. a circulation pump; 14. a spray plate; 15. intercepting a filter screen; 16. mounting blocks; 17. a filter screen plate; 18. an activated carbon screen plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: an environment-friendly circulating fluidized bed furnace comprises a base 1, a main body 2, a recovery box 3, a first processing box 4, a second processing box 5, an air draft structure, a first processing structure and a second processing structure, wherein the main body 2, the recovery box 3, the first processing box 4 and the second processing box 5 are all arranged at the upper end surface of the base 1, a slag outlet 6 is arranged at one side of the main body 2, the bottom of the slag outlet 6 is communicated and connected with the inner top end of the recovery box 3, the first processing box 4 is communicated and connected with the inner top end of the recovery box 3 through the air draft structure, the second processing box 5 is communicated and connected with the first processing box 4 through a connecting pipe, an exhaust outlet is arranged at one side of the second processing box 5, working doors 7 are arranged at the front sides of the recovery box 3 and the second processing box 5, and the two working doors 7 are respectively connected with the recovery box 3 and the second processing box 5 when closed, the top department of first processing case 4 is provided with the inlet tube, the front of first processing case 4 is being provided with the drain pipe near its bottom department, first processing structure installs in the back one side and the inside top department of first processing case 4, the second is handled the structure and is installed in the inside of second processing case 5.

The air draft structure comprises an air draft pipe 8, an air collection cover 9 and a guide pipe 10, the air draft pipe 8 is installed at the top of the recovery box 3, the air draft pipe 8 is communicated and connected with the recovery box 3, the air collection cover 9 is installed at the top end of the air draft pipe 8, an exhaust fan 11 is arranged inside the air collection cover 9, and two ends of the guide pipe 10 are respectively communicated and connected with the air collection cover 9 and the inside of the first processing box 4, so that when slag is discharged into the recovery box 3, smoke generated by the slag can be pumped into the first processing box 4 by starting the exhaust fan 11 and matching with the air draft pipe 8, the air collection cover 9 and the guide pipe 10;

the first treatment structure comprises a circulating pipe 12, a circulating pump 13 and a spraying plate 14, two ends of the circulating pipe 12 are respectively communicated and connected with one side of the back surface and the top end of the first treatment box 4, the circulating pump 13 is installed at one end of the circulating pipe 12 close to the back surface of the second treatment box 5, the top of the spraying plate 14 is communicated and connected with one end of the circulating pipe 12 penetrating through the top of the first treatment box 4, after the flue gas enters the first treatment box 4, clean water added in advance in the first treatment box 4 can be pumped to the spraying plate 14 by starting the circulating pump 13 and matching with the circulating pipe 12, so that the flue gas is subjected to circulating continuous spraying treatment through the spraying plate 14, and then, some particle dust in the flue gas are effectively adsorbed and mixed into the first treatment box 4 through falling water drops;

the height of the spraying plate 14 is higher than that of the conduit 10, so that the condition that the smoke is missed and filtered can be effectively avoided;

the interception filter screen 15 is arranged at the bottom end inside the first treatment tank 4 close to the circulating pipe 12, so that the blockage caused by the particles in the water entering the circulating pipe 12 can be effectively avoided;

the second treatment structure comprises mounting blocks 16, filter screen plates 17 and activated carbon screen plates 18, wherein the mounting blocks 16 are provided with four groups, the four groups of mounting blocks 16 are respectively and fixedly mounted at the upper end and the lower end of the inside of the second treatment box 5, the filter screen plates 17 and the activated carbon screen plates 18 are respectively clamped between the two groups of mounting blocks 16, and the filter screen plates 17 are close to the first treatment box 4, so that after the flue gas is sprayed and filtered and enters the second treatment box 5, the flue gas can be further subjected to impurity filtering treatment through the filter screen plates 17, can be subjected to harmful substance adsorption filtering treatment through the activated carbon screen plates 18 and finally is discharged, the pollution to the nearby environment can be effectively avoided, the environmental protection performance is high, and the practicability is high;

it can be understood that the exhaust fan 11 and the circulating pump 13 are externally connected with a control switch and a driving source respectively.

The working principle is as follows: when slag is discharged into the recycling box 3, smoke generated by the slag can be pumped into the first processing box 4 by starting the exhaust fan 11 in cooperation with the exhaust pipe 8, the air collecting cover 9 and the guide pipe 10, and when the smoke enters the first processing box 4, clear water added in advance in the first processing box 4 can be pumped to the spraying plate 14 by starting the circulating pump 13 in cooperation with the circulating pipe 12, so that the smoke is subjected to circulating continuous spraying processing by the spraying plate 14, then some particle dust in the smoke can be effectively adsorbed and mixed into the first processing box 4 by falling water drops, and after the smoke is subjected to spraying filtering and enters the second processing box 5, further impurity filtering processing can be performed on the smoke by the filter screen plate 17, harmful substance adsorption filtering processing can be performed on the smoke by the activated carbon screen plate 18, and finally the smoke is discharged, can effectively avoid polluting the environment nearby, has higher environmental protection performance and higher practicability.

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 circulating fluidized bed furnace of environment-friendly, includes that base (1), main part (2), collection box (3), first processing case (4), second handle case (5), convulsions structure, first processing structure and second handle the structure, its characterized in that: the main body (2), the recovery box (3), the first processing box (4) and the second processing box (5) are all installed at the upper end surface of the base (1), one side of the main body (2) is provided with a slag outlet (6), the bottom of the slag outlet (6) is communicated and connected with the inner top end of the recovery box (3), the first processing box (4) is communicated and connected with the inner top end of the recovery box (3) through an air draft structure, the second processing box (5) is communicated and connected with the first processing box (4) through a connecting pipe, one side of the second processing box (5) is provided with a smoke outlet, the front sides of the recovery box (3) and the second processing box (5) are both provided with a working door (7), the working door (7) is hermetically connected with the recovery box (3) and the second processing box (5) when closed respectively, the top of the first processing box (4) is provided with a water inlet pipe, the front face of the first treatment tank (4) is provided with a drain near the bottom end thereof, the first treatment structure is installed at the back face side and the inner top end of the first treatment tank (4), and the second treatment structure is installed in the interior of the second treatment tank (5).

2. The environment-friendly circulating fluidized bed furnace of claim 1, characterized in that: the air draft structure comprises an air draft pipe (8), an air collecting cover (9) and a conduit (10), the air draft pipe (8) is installed at the top of the recovery box (3), the air draft pipe (8) is connected with the recovery box (3) in a communicating mode, the air collecting cover (9) is installed at the top end of the air draft pipe (8), an air draft fan (11) is arranged at the inner portion of the air collecting cover (9), and the two ends of the conduit (10) are respectively connected with the air collecting cover (9) and the inner portion of the first processing box (4) in a communicating mode.

3. The environment-friendly circulating fluidized bed furnace of claim 1, characterized in that: the first processing structure comprises a circulating pipe (12), a circulating pump (13) and a spraying plate (14), wherein two ends of the circulating pipe (12) are respectively communicated and connected with one side of the back surface and the top end of the first processing box (4), the circulating pump (13) is installed at one end of the back surface of the circulating pipe (12) close to the second processing box (5), and the top of the spraying plate (14) is communicated and connected with one end of the circulating pipe (12) penetrating through the top of the first processing box (4).

4. The environment-friendly circulating fluidized bed furnace of claim 3, characterized in that: the height of the spray plate (14) is higher than that of the guide pipe (10).

5. The environment-friendly circulating fluidized bed furnace of claim 1, characterized in that: the inner bottom end of the first treatment box (4) is provided with an interception filter screen (15) close to the circulating pipe (12).

6. The environment-friendly circulating fluidized bed furnace of claim 1, characterized in that: the structure is handled to the second is including installation piece (16), filter screen board (17) and active carbon otter board (18), installation piece (16) are provided with four groups, four groups installation piece (16) fixed mounting is in the inside upper and lower extreme department of second processing case (5) respectively, filter screen board (17) and active carbon otter board (18) clamp respectively between two sets of installation pieces (16), just filter screen board (17) are close to in first processing case (4).