CN212720904U

CN212720904U - Feeding preheating device of reduction titanium iron powder calcining rotary furnace

Info

Publication number: CN212720904U
Application number: CN202021443944.3U
Authority: CN
Inventors: 房恩亮; 彭如江
Original assignee: Tianjin Kaitelong Welding Material Co ltd
Current assignee: Tianjin Kaitelong Welding Material Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-16
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a reducing titanium iron powder calcines rotary furnace feeding preheating device, the on-line screen storage device comprises a base, the equal perpendicular fixedly connected with bracing piece in base upper surface left and right sides, it is two sets of bracing piece top respectively with workbin lower surface left and right sides fixed connection, workbin lower surface right side fixed intercommunication has the discharging pipe, discharging pipe bottom and pump intercommunication, the fixed intercommunication in pump right side has the conveying pipeline, the conveying pipeline right-hand member is with the fixed intercommunication of the lower part in rotary furnace outer wall left side middle part. The utility model discloses an in the hot flue gas of extraction fan in with the rotary furnace passes through outlet duct heat extraction heat-conducting pipe, utilize waste heat in the hot flue gas to preheat reduction titanium iron powder, and the glass rock wool insulation material in heat preservation chamber and the heat preservation intracavity that just passes through the workbin, can play the effect that the heat that keeps warm and reduces the heat and scatter and disappear, be favorable to improving the effect of preheating to reduction titanium iron powder.

Description

Feeding preheating device of reduction titanium iron powder calcining rotary furnace

Technical Field

The utility model relates to a processing technical field of reduced titanium iron powder, in particular to a feeding preheating device of a reduced titanium iron powder calcining rotary furnace.

Background

The reduced ferrotitanium powder is dark gray mineral powder particles and is mainly used as a slag former of welding materials such as coated welding electrodes and the like. The main component of the titanium-iron-based composite welding rod is TiO2, so that the technological performance of the welding rod can be improved, nearly 30% of simple substance iron in ilmenite is reduced, and the deposition efficiency of welding materials can be remarkably improved.

No. CN207439132U discloses a feeding preheating device of a rotary furnace for calcining reduced ferrotitanium powder, which comprises: the material case, the conveying case, the material case sets up the outside at the conveying case, the upper left end of material case is equipped with the feed inlet, the right lower extreme of material case is equipped with the discharge gate, the discharging pipe is connected to the pan feeding mouth of conveying case through the suction pump, the discharge gate of conveying case is connected to the feed inlet of rotary furnace through the conveying pipeline, the periphery of conveying case evenly is equipped with a plurality of poplar flitches, poplar flitch and conveying case fixed connection, the poplar flitch is located the material incasement, the both ends that the conveying case stretches out the material case are equipped with first rolling circle and second rolling circle respectively, first rolling circle and second rolling circle are connected drive arrangement respectively, wherein, the heat pipe of the air intake of fan is connected to the exhaust port of rotary furnace, the air outlet of fan connects hot flue gas pipeline, hot flue gas pipeline connects, the heat pipe is along.

Above-mentioned utility model has following defect in the in-process of using: 1. above-mentioned utility model's workbin does not have fine heat preservation effect, and the heat scatters and disappears easily, has reduced and has preheated the effect. 2. The hot flue gas of the utility model is directly discharged, easily causes pollution to the air environment and is not environment-friendly. Therefore, we propose a feeding preheating device of a rotary furnace for calcining reduced ferrotitanium powder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a feeding preheating device of a rotary furnace for calcining reduced ferrotitanium powder, the hot flue gas in the rotary furnace is exhausted into a heat conduction pipe through an air outlet pipe by an exhaust fan, the reduced ferrotitanium powder is preheated by utilizing the waste heat in the hot flue gas, and the reduced ferrotitanium powder passes through a heat preservation cavity in the material box and a glass rock wool heat preservation material in the heat preservation cavity, can play the role of heat preservation and heat loss reduction, is beneficial to improving the preheating effect of the reduced ferrotitanium powder, after the feed box is heated by hot flue gas through a connecting pipe penetrating through the bottom in the filtering water tank and a filtering net in the filtering water tank, is discharged into the bottom in the filtering water tank through the connecting pipe, the smoke dust in the hot smoke gas is settled after contacting with the water in the filtering water tank, and is filtered by the filter screen, the exhaust is carried out from the air outlet, the direct discharge of polluted air by hot smoke is avoided, and the problems in the background art are solved.

In order to achieve the above object, the utility model provides a following technical scheme: a feeding preheating device of a rotary furnace for calcining reduced ferrotitanium powder comprises a base, wherein the left side and the right side of the upper surface of the base are vertically and fixedly connected with supporting rods, the tops of two groups of supporting rods are respectively and fixedly connected with the left side and the right side of the lower surface of a material box, the right side of the lower surface of the material box is vertically and fixedly communicated with a material discharging pipe, the bottom of the material discharging pipe is communicated with a material pumping pump, the right side of the material pumping pump is fixedly communicated with a material conveying pipe, and the right end of the material conveying pipe is fixedly;

the fixed intercommunication in rotary furnace upper surface middle part has the air exhauster, the fixed intercommunication in air exhauster left side has the outlet duct, the other end and the fixed intercommunication of heat pipe of outlet duct, the heat pipe distributes and runs through in workbin outer wall right side bottom at the other end of workbin inner wall and heat pipe, the heat pipe runs through the fixed intercommunication of one end and connecting pipe in workbin outer wall right side bottom, the other end of connecting pipe runs through bottom in filtering water tank, the horizontal fixed mounting of middle part upper left department has the filter screen in the filtering water tank.

As an optimal implementation mode of the utility model, the workbin is provided with the heat preservation chamber therein, the heat preservation intracavity is filled with glass rock wool insulation material.

As an optimal implementation mode of the utility model, workbin upper surface left side vertical fixation intercommunication has the inlet pipe, workbin outer wall left side horizontal fixed mounting has the motor.

As an optimal implementation mode of the utility model, the output and the feed rod of motor are connected, the feed rod level is arranged in the workbin middle part and the fixed welding in the feed rod outside has the pay-off spiral.

As an optimal implementation mode of the utility model, the gas outlet has been seted up at filter tank outer wall right side top, the fixed intercommunication of filter tank outer wall right side bottom level has the blow off pipe, be provided with the blowoff valve on the blow off pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a reduction titanium iron powder calcines rotary kiln feeding preheating device passes through in the outlet duct heat extraction heat-conducting pipe through the hot flue gas of extraction fan in with the rotary kiln, utilizes the waste heat in the hot flue gas to preheat reduction titanium iron powder, and through the glass rock wool insulation material of heat preservation chamber and the heat preservation intracavity in the workbin, can play the effect that the heat loss that reduces of heat that keeps warm, is favorable to improving the effect of preheating to reduction titanium iron powder.

2. The utility model discloses a reduction titanium iron powder calcines rotary furnace feeding preheating device, through the connecting pipe that runs through bottom in filtering water tank and the filter screen in the filter water tank, hot flue gas heats the workbin after, and bottom in the filter water tank is discharged into through the connecting pipe, forms after the smoke and dust in the hot flue gas and the water contact in the filter water tank subsides, passes through the filter screen again and filters the back, discharges from the gas outlet, avoids hot flue gas direct discharge polluted air.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a feed preheating device of a rotary furnace for calcining reduced ferrotitanium powder;

FIG. 2 is the schematic diagram of the internal structure of the filtration water tank of the feeding preheating device of the rotary furnace for calcining reduced titanium iron powder.

In the figure: the heat-insulating glass rock wool heat-insulating material comprises a base, a supporting rod, a material box, a motor, a feeding pipe, a heat-insulating cavity, a glass rock wool heat-insulating material, a feeding rod, a feeding screw, a heat-conducting pipe, a gas outlet pipe, a 12 exhaust fan, a rotary furnace, a material conveying pipe, a 15 material pumping pump, a 16 material discharging pipe, a 17 connecting pipe, a 18 filter water tank, a 19 gas outlet, a 20 filter screen, a 21 blow-off pipe and a 22 blow-off valve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a feeding preheating device of a rotary furnace for calcining reduced ferrotitanium powder comprises a base 1, wherein the left side and the right side of the upper surface of the base 1 are vertically and fixedly connected with supporting rods 2, the tops of two groups of supporting rods 2 are respectively and fixedly connected with the left side and the right side of the lower surface of a material box 3, the right side of the lower surface of the material box 3 is vertically and fixedly communicated with a material discharging pipe 16, the bottom of the material discharging pipe 16 is communicated with a material pumping pump 15, the right side of the material pumping pump 15 is fixedly communicated with a material conveying pipe 14, and the right end of the material conveying pipe 14 is fixedly communicated;

the fixed intercommunication in 13 upper surface middle parts of rotary furnace has air exhauster 12, the fixed intercommunication in air exhauster 12 left side has outlet duct 11, the other end and the fixed intercommunication of heat pipe 10 of outlet duct 11, heat pipe 10 distributes and runs through in 3 outer wall right sides bottoms of workbin at the other end of 3 inner walls of workbin and heat pipe 10, heat pipe 10 runs through the one end and the fixed intercommunication of connecting pipe 17 in 3 outer wall right sides bottoms of workbin, the other end of connecting pipe 17 runs through bottom in filter tank 18, the horizontal fixed mounting of department on the upper side in middle part has filter screen 20 in the filter tank 18.

In this embodiment (see fig. 1), a heat preservation cavity 6 is formed in the material box 3, the heat preservation cavity 6 is filled with a glass rock wool heat preservation material 7, and the glass rock wool heat preservation material 7 can play a role in heat preservation and heat dissipation reduction.

In this embodiment (please refer to fig. 1), the left side of the upper surface of the material box 3 is vertically and fixedly communicated with a feeding pipe 5, and the left side of the outer wall of the material box 3 is horizontally and fixedly provided with a motor 4.

In this embodiment (see fig. 1), the output end of the motor 4 is connected with the feeding rod 8, the feeding rod 8 is horizontally arranged in the middle of the material box 3, the feeding screw 9 is fixedly welded on the outer side of the feeding rod 8, and the reduced ferrotitanium powder can be uniformly transmitted through the feeding rod 8 and the feeding screw 9, so that the reduced ferrotitanium powder is uniformly heated.

In this embodiment (see fig. 2), the top of the right side of the outer wall of the filtering water tank 18 is provided with an air outlet 19, the bottom of the right side of the outer wall of the filtering water tank 18 is horizontally and fixedly communicated with a sewage discharge pipe 21, and the sewage discharge pipe 21 is provided with a sewage discharge valve 22.

It should be noted that the utility model relates to a feeding preheating device of a reduced ferrotitanium powder calcining rotary furnace, which comprises a base 1, a support rod 2, a feed box 3, a motor 4, a feed pipe 5, a heat preservation cavity 6, a heat preservation material 7 of glass rock wool, a feed rod 8, a feed screw 9, a heat conduction pipe 10, a gas outlet pipe 11, a 12 exhaust fan, a rotary furnace 13, a feed delivery pipe 14, a 15 pumping pump, a 16 discharge pipe 17, a connecting pipe 18, a filtering water tank 19, a gas outlet 19, a filter screen 20, a 21 blow-off pipe 21, a 22 blow-off valve, all parts are universal standard parts or parts known by technicians in the field, the structure and the principle of the parts are all known by technical manuals or conventional test methods, when the feeding preheating device of the reduced ferrotitanium powder calcining rotary furnace is used, the reduced ferrotitanium powder is poured into the feed box 3 through the feed pipe 5, and hot flue gas in the rotary furnace 13, the glass rock wool heat-insulating material 7 in the heat-insulating cavity 6 can play a role in heat insulation and reducing heat loss, the preheating effect is improved, then the motor 4 and the pumping pump 15 are started, the motor 4 drives the feeding screw 9 to rotate through the feeding rod 8 so as to uniformly preheat the reduced titanium iron powder, the reduced titanium iron powder is discharged through the discharging pipe 16 and then discharged into the rotary furnace 13 through the pumping pump 15 and the feeding pipe 14, the hot flue gas in the heat conduction pipe 10 is heated and then discharged into the inner bottom of the filter water tank 18 through the connecting pipe 17, the smoke dust in the hot flue gas is contacted with the water in the filter water tank 18 to form sedimentation, and the smoke dust is filtered through the filter screen 20 and then discharged from the air outlet 19, so that the hot flue gas is prevented from directly discharging polluted air, and the use effect is ideal.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a reduction ferrotitanium powder calcines rotary furnace feeding preheating device, includes base (1), its characterized in that: the left side and the right side of the upper surface of the base (1) are both vertically and fixedly connected with supporting rods (2), the tops of the two groups of supporting rods (2) are respectively and fixedly connected with the left side and the right side of the lower surface of a material box (3), the right side of the lower surface of the material box (3) is vertically and fixedly communicated with a material discharging pipe (16), the bottom of the material discharging pipe (16) is communicated with a material pumping pump (15), the right side of the material pumping pump (15) is fixedly communicated with a material conveying pipe (14), and the right end of the material conveying pipe (14) is fixedly communicated with a lower part of the;

fixed intercommunication in surface middle part has air exhauster (12) on rotary kiln (13), the fixed intercommunication in air exhauster (12) left side has outlet duct (11), the other end and the fixed intercommunication of heat pipe (10) of outlet duct (11), heat pipe (10) distribute and run through in workbin (3) outer wall right side bottom at the other end of workbin (3) inner wall and heat pipe (10), heat pipe (10) run through the one end and the fixed intercommunication of connecting pipe (17) in workbin (3) outer wall right side bottom, the other end of connecting pipe (17) runs through bottom in filtering water tank (18), filtering water tank (18) interior middle part is on the upper side horizontal fixed mounting has filter screen (20).

2. The reduced titanium iron powder calcination rotary furnace feeding preheating device according to claim 1, characterized in that: a heat preservation cavity (6) is formed in the material box (3), and glass rock wool heat preservation materials (7) are filled in the heat preservation cavity (6).

3. The reduced titanium iron powder calcination rotary furnace feeding preheating device according to claim 1, characterized in that: workbin (3) upper surface left side vertical fixation intercommunication has inlet pipe (5), workbin (3) outer wall left side horizontal fixed mounting has motor (4).

4. The reduced titanium iron powder calcination rotary furnace feeding preheating device according to claim 3, characterized in that: the output end of the motor (4) is connected with the feed rod (8), the feed rod (8) is horizontally arranged in the middle of the material box (3), and the feed screw (9) is fixedly welded on the outer side of the feed rod (8).

5. The reduced titanium iron powder calcination rotary furnace feeding preheating device according to claim 1, characterized in that: an air outlet (19) is formed in the top of the right side of the outer wall of the filter water tank (18), a blow-off pipe (21) is horizontally and fixedly communicated with the bottom of the right side of the outer wall of the filter water tank (18), and a blow-off valve (22) is arranged on the blow-off pipe (21).