CN215428169U - But exhaust-gas treatment's ferric trichloride production auxiliary device - Google Patents

Abstract

The utility model discloses an auxiliary device for producing ferric trichloride capable of treating waste gas, which comprises a reaction furnace and a condensation trap, wherein the condensation trap is arranged on one side of the reaction furnace, a tail gas pipe is arranged between the bottom end of the reaction furnace and a primary treatment box, a steam pipe is arranged between the top end of the reaction furnace and the tail gas pipe, and an electromagnetic valve is arranged in the middle section of the steam pipe. But this waste gas treatment's ferric trichloride production auxiliary device is through being provided with the air pump, the second grade treatment case, the fan of wasting discharge, water conservancy diversion hole and guide plate, the abundant residual gas of unreacted in the first grade treatment case is passed through the second grade pipe once more and is gone into in the second grade treatment case by the air pump suction, the contact and with the liquid sodium hydroxide reaction that holds in the second grade treatment case carry out the second grade processing, surplus toxic material absorbs, discharge fan safety discharge at last through wasting discharge, the guide plate erects on the liquid sodium hydroxide plane, but residual tail gas can evenly contact with sodium hydroxide through the water conservancy diversion hole of guide plate, the insufficient problem of handling has been solved.

Description

But exhaust-gas treatment's ferric trichloride production auxiliary device

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to an auxiliary device for producing ferric trichloride capable of treating waste gas.

Background

The solid ferric trichloride is (FeCl3) in the form of powder particles, and is widely applied to various fields of industrial production. Can be used as a flocculating agent in the field of water treatment to assist sewage purification, and has the advantages of high efficiency, low cost and the like. There are several methods for the preparation of ferric chloride, the most common being the chlorination of iron filings with chlorine.

In the preparation and production process, gases such as hydrogen chloride, chlorine, ferric chloride and the like exist in the tail gas and steam which are not fully reacted, so that the tail gas and the steam are harmful to human bodies and the environment, and many reaction kettles and reaction furnaces are not provided with effective production auxiliary devices at present, so that waste gas cannot be effectively treated, or the waste gas cannot be treated fully and thoroughly, and cannot reach the standard of atmospheric pollution emission. Therefore, the auxiliary device for producing ferric trichloride capable of processing waste gas is designed, and the waste gas processing effect is improved through secondary processing and internal transformation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary device for producing ferric trichloride capable of treating waste gas, which aims to solve the problem of poor waste gas treatment effect in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a but waste gas treatment's ferric trichloride production auxiliary device, includes reacting furnace and condensation trap, one side of reacting furnace is provided with the condensation trap, be provided with the tail gas pipe between the bottom of reacting furnace and the primary treatment case, be provided with the steam pipe between the top of reacting furnace and the tail gas pipe, the solenoid valve is installed to the interlude of steam pipe, one side of condensation trap is provided with the primary treatment case, the bottom that the case was handled to the primary is provided with the secondary treatment case, be provided with the one-level pipe between condensation trap and the primary treatment case, the pumpingis installed to the one end of one-level pipe, be provided with the second grade pipe between primary treatment case and the secondary treatment case, the air pump is installed to the interlude of second grade pipe.

Preferably, driving motor is installed on the top of condensation trap, driving motor's output passes through shaft coupling fixedly connected with pivot, the pivot extend to the inside of condensation trap and with the bottom swing joint of condensation trap inner wall, the scraper blade is installed to the both sides of pivot, the bottom of condensation trap is provided with the ejection of compact and takes over.

Preferably, the scrapers are arranged in two groups outside the rotating shaft, and the size of each scraper is matched with the inner shape of the condensation catcher.

Preferably, the top end of the primary treatment box is fixedly connected with an air guide connecting pipe, the air guide connecting pipe is externally connected with an air supply device, and a filter screen is transversely arranged in the primary treatment box.

Preferably, the inside of case is handled to the second grade is provided with the guide plate, and a plurality of water conservancy diversion holes of the inside equidistant distribution of guide plate, the fan of wasting discharge is installed to the bottom of case one side is handled to the second grade.

Preferably, liquid sodium hydroxide is contained in the secondary treatment tank, and the installation height of the guide plate is higher than the height of the horizontal plane where the liquid sodium hydroxide is located.

Compared with the prior art, the utility model has the beneficial effects that: the waste gas-treatable ferric trichloride production auxiliary device not only realizes the cleaning of residual crystals, realizes the additional filtration of primary treatment, but also realizes more sufficient secondary treatment reaction;

(1) the reaction furnace is provided with the reaction furnace, the tail gas pipe, the scraper plate, the rotating shaft and the discharging connecting pipe, steam generated by reaction in the reaction furnace and free chlorine and ferric trioxide in tail gas are led into the condensation catcher from the tail gas pipe, solid ferric trichloride crystals are obtained after condensation, large-particle crystals can be led out from the discharging connecting pipe, the rotating shaft is driven to rotate slowly by the driving of the driving motor, the scraper plate is overturned, crystal particles adhered to the inner wall of the condensation catcher are scraped, residual adhesion is avoided, and the automatic cleaning effect is achieved;

(2) the device is provided with a primary guide pipe, a pump, a primary treatment tank and an air guide connecting pipe, unreacted residual gas is led out from the primary guide pipe and is pumped into the primary treatment tank, the air guide connecting pipe is externally connected with air supply equipment to inject gaseous ferrous chloride into the primary treatment tank, tail gas is contacted with the gaseous ferrous chloride from bottom to top and is absorbed and reacted by the gaseous ferrous chloride, a filter screen can filter fine solid particles, and the reaction absorbs residues of hydrogen chloride, chlorine, ferric chloride and the like in the tail gas, removes most toxic substances and performs primary treatment;

(3) through being provided with the air pump, the second grade treatment case, the fan of wasting discharge, water conservancy diversion hole and guide plate, the abundant residual gas of unreacted in the first grade treatment case is passed through the second grade pipe once more and is pumped into the second grade treatment case by the air pump, the contact and with the liquid sodium hydroxide reaction that contains in the second grade treatment case carry out the second grade treatment, surplus toxic substance absorbs, discharge through the fan safety of wasting discharge at last, the guide plate erects on the liquid sodium hydroxide plane, remaining tail gas can evenly contact with the sodium hydroxide through the water conservancy diversion hole of guide plate, the reaction is more abundant.

Drawings

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

FIG. 2 is a schematic diagram of a front cross-sectional view of a condense trap according to the present invention;

FIG. 3 is a schematic front sectional view of the first-stage treatment tank of the present invention;

FIG. 4 is a schematic front view of the secondary processing chamber of the present invention.

In the figure: 1. a reaction furnace; 2. a vapor tube; 3. an electromagnetic valve; 4. a tail gas pipe; 5. a drive motor; 6. a condensation trap; 7. an air guide connecting pipe; 8. a first-stage treatment box; 9. pumping; 10. a secondary conduit; 11. an air pump; 12. a secondary treatment tank; 13. a waste discharge fan; 14. a primary conduit; 15. a discharging connecting pipe; 16. a squeegee; 17. a rotating shaft; 18. filtering with a screen; 19. a baffle; 20. and (4) flow guide holes.

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.

Example 1: referring to fig. 1-4, an auxiliary device for producing ferric trichloride capable of processing waste gas comprises a reaction furnace 1 and a condensation trap 6, wherein the condensation trap 6 is arranged on one side of the reaction furnace 1, a tail gas pipe 4 is arranged between the bottom end of the reaction furnace 1 and a primary processing box 8, a steam pipe 2 is arranged between the top end of the reaction furnace 1 and the tail gas pipe 4, an electromagnetic valve 3 is arranged in the middle section of the steam pipe 2, a primary processing box 8 is arranged on one side of the condensation trap 6, a secondary processing box 12 is arranged at the bottom end of the primary processing box 8, a primary conduit 14 is arranged between the condensation trap 6 and the primary processing box 8, a suction pump 9 is arranged at one end of the primary conduit 14, a secondary conduit 10 is arranged between the primary processing box 8 and the secondary processing box 12, and an air pump 11 is arranged in the middle section of the secondary conduit 10;

the top end of the condensation catcher 6 is provided with a driving motor 5, the output end of the driving motor 5 is fixedly connected with a rotating shaft 17 through a coupler, the rotating shaft 17 extends into the condensation catcher 6 and is movably connected with the bottom end of the inner wall of the condensation catcher 6, two sides of the rotating shaft 17 are provided with scrapers 16, the bottom end of the condensation catcher 6 is provided with a discharge connecting pipe 15, the scrapers 16 are arranged in two groups outside the rotating shaft 17, and the sizes of the scrapers 16 are matched with the inner shape of the condensation catcher 6;

specifically, as shown in fig. 1 and fig. 2, the condensation trap 6 is introduced from the tail gas pipe 4 by the free chlorine and ferric trioxide in the steam and the tail gas generated by the reaction in the reaction furnace 1, some solid ferric trichloride crystals are obtained after condensation, large-particle crystals can be led out from the discharge connecting pipe 15, the rotating shaft 17 is driven to rotate slowly by the driving of the driving motor 5, the scraper 16 is turned over and scrapes off the crystal particles attached to the inner wall of the condensation trap 6, so that the residual attachment is avoided, and the automatic cleaning function is realized.

Example 2: the top end of the primary treatment box 8 is fixedly connected with an air guide connecting pipe 7, the air guide connecting pipe 7 is externally connected with an air supply device, and a filter screen 18 is transversely arranged in the primary treatment box 8;

specifically, as shown in fig. 1 and 3, unreacted residual gas is led out from a primary conduit 14, pumped into a primary treatment tank 8 through a pump 9, a gas supply device connected to an air guide connection pipe 7 injects gaseous ferrous chloride into the primary treatment tank 8, the tail gas contacts with the gaseous ferrous chloride from bottom to top and is absorbed and reacted by the gaseous ferrous chloride, a filter screen 18 can filter out fine solid particles, and the reaction absorbs residues of hydrogen chloride, chlorine, ferric chloride and the like in the tail gas, removes most toxic substances, and performs primary treatment.

Example 3: a guide plate 19 is arranged in the secondary treatment tank 12, a plurality of guide holes 20 are distributed in the guide plate 19 at equal intervals, a waste discharge fan 13 is arranged at the bottom end of one side of the secondary treatment tank 12, liquid sodium hydroxide is contained in the secondary treatment tank 12, and the installation height of the guide plate 19 is higher than the height of the horizontal plane where the liquid sodium hydroxide is located;

specifically, as shown in fig. 1 and 4, the residual gas which is not fully reacted in the primary treatment tank 8 is pumped into the secondary treatment tank 12 by the air pump 11 through the secondary conduit 10 again, contacts and reacts with the liquid sodium hydroxide contained in the secondary treatment tank 12 to perform secondary treatment, the residual toxic substances are absorbed, and finally the residual toxic substances are safely discharged through the waste discharge fan 13, the guide plate 19 is erected on the liquid sodium hydroxide plane, the residual tail gas can uniformly contact with the sodium hydroxide through the guide holes 20 of the guide plate 19, and the reaction is more fully performed.

The working principle is as follows: when the utility model is used, waste scrap iron reacts with chlorine in a reaction furnace 1 to generate ferric trichloride, ferric trichloride vapor and tail gas which are remained in reaction and are not fully reacted are respectively led into a condensation catcher 6 through a tail gas pipe 4 and a vapor pipe 2, the condensation of the condensation catcher 6 forms ferric trichloride solid crystals, large-particle ferric trichloride solid crystals are discharged from a discharge connecting pipe 15, small-particle crystals are attached to the inner wall of the condensation catcher 6, a driving motor 5 drives a rotating shaft 17 to rotate slowly, a scraper 16 overturns and scrapes off crystal particles attached to the inner wall of the condensation catcher 6 to avoid residual attachment, residual gas still exists in the condensation catcher 6 at the moment, the gas is led into a primary treatment box 8 from a primary conduit 14, a gas guide connecting pipe 7 is externally connected with gas supply equipment to inject gaseous ferrous chloride into the primary treatment box 8, the tail gas is contacted with the gaseous ferrous chloride from bottom to top and is absorbed and reacted by the gaseous ferrous chloride, the method is characterized in that most toxic substances are removed by absorbing residues such as hydrogen chloride, chlorine and ferric chloride in tail gas, the residues are treated in a first-stage mode, the reacted gas enters a second-stage treatment box 12 through a second-stage guide pipe 10, contacts and reacts with liquid sodium hydroxide through a guide hole 20 of a guide plate 19, the residual toxic substances are removed, the residues are treated in a second-stage mode, and finally the gas is discharged in a pollution-free mode through a waste discharge fan 13.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a but waste gas treatment's ferric trichloride production auxiliary device, includes reacting furnace (1) and condense trap (6), its characterized in that: a condensation catcher (6) is arranged on one side of the reaction furnace (1), a tail gas pipe (4) is arranged between the bottom end of the reaction furnace (1) and the primary treatment box (8), a steam pipe (2) is arranged between the top end of the reaction furnace (1) and the tail gas pipe (4), the middle section of the steam pipe (2) is provided with an electromagnetic valve (3), one side of the condensation catcher (6) is provided with a primary treatment box (8), the bottom end of the first-stage treatment box (8) is provided with a second-stage treatment box (12), a first-stage conduit (14) is arranged between the condense trap (6) and the first-stage treatment box (8), pump (9) are installed to the one end of one-level pipe (14), be provided with between case (8) and the second grade processing case (12) second grade pipe (10) are handled to the one-level, air pump (11) are installed to the interlude of second grade pipe (10).

2. The auxiliary device for producing ferric trichloride capable of processing waste gas according to claim 1, wherein: driving motor (5) are installed on the top of condense trap (6), the output of driving motor (5) passes through shaft coupling fixedly connected with pivot (17), pivot (17) extend to the inside of condense trap (6) and with the bottom swing joint of condense trap (6) inner wall, scraper blade (16) are installed to the both sides of pivot (17), the bottom of condense trap (6) is provided with ejection of compact takeover (15).

3. The auxiliary device for producing ferric trichloride capable of processing waste gas according to claim 2, characterized in that: two groups of scrapers (16) are arranged outside the rotating shaft (17), and the size of the scrapers (16) is matched with the inner shape of the condensation catcher (6).

4. The auxiliary device for producing ferric trichloride capable of processing waste gas according to claim 1, wherein: the top fixedly connected with air guide of case (8) is handled to the one-level takes over (7), the external air supply equipment of air guide takeover (7), the inside of case (8) is handled to the one-level transversely is provided with filter screen (18).

5. The auxiliary device for producing ferric trichloride capable of processing waste gas according to claim 1, wherein: the inside of case (12) is handled to the second grade is provided with guide plate (19), and a plurality of water conservancy diversion holes (20) of the inside equidistant distribution of guide plate (19), waste discharge fan (13) are installed to the bottom of case (12) one side is handled to the second grade.

6. The auxiliary device for producing ferric trichloride capable of processing waste gas according to claim 1, wherein: liquid sodium hydroxide is contained in the secondary treatment box (12), and the installation height of a guide plate (19) transversely erected in the secondary treatment box (12) is higher than the height of a horizontal plane where the liquid sodium hydroxide is located.

Images