CN212309210U

CN212309210U - A dust collector for iron notch gunning refractory is reinforced usefulness

Info

Publication number: CN212309210U
Application number: CN202020604333.6U
Authority: CN
Inventors: 童胜利; 王春霞; 刘成军; 任倩
Original assignee: Yima Baoyi New Material Co ltd
Current assignee: Yima Baoyi New Material Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-08
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to a dust collector for reinforced usefulness of taphole gunning mix, including removing the base, be equipped with water tank and churn on it, the churn bottom is equipped with the discharging pipe, and the discharging pipe below is equipped with the material pump, and the material pump has the gunning rifle through gunning hose connection, and the churn top is equipped with the inlet pipe, inlet pipe top intercommunication has the equalizing pipe, and the intraductal level of equalizing pipe and rotation are equipped with the pivot, and the week of pivot is equipped with a plurality of impellers, and equalizing pipe top intercommunication has the feeder hopper, and one side top of feeder hopper is equipped with the dust cage, and the dust cage sets up towards the feeder hopper downward sloping, and the dust cage below is equipped with cyclone and fills the dust removal pond of water, and the dust cage passes through dust absorption pipe and cyclone air inlet intercommunication, and. The utility model discloses can realize evenly reinforced, the reinforced volume is controllable to guarantee the gunning refractory quality, can effectively clear up the dust and collect, in order not to influence the healthy of surrounding environment and workman.

Description

A dust collector for iron notch gunning refractory is reinforced usefulness

Technical Field

The utility model belongs to the technical field of blast furnace taphole gunning, concretely relates to a dust collector for taphole gunning material feeding.

Background

The blast furnace tapping hole is a necessary passage for molten iron to flow from the furnace to a molten iron tank as a part of blast furnace production, and the service life of the blast furnace tapping hole is directly related to whether the blast furnace production can be normally and orderly carried out. Because the service environment of the taphole is severe, the taphole is not only required to bear the scouring erosion of the flowing of molten iron and slag on the surface layer of the refractory material, but also required to bear the thermal stress generated by the fluctuation of the temperature, and therefore, the taphole is often damaged in the actual working process. In the prior art, in order to ensure the normal work of the taphole, certain gunning equipment is mostly adopted to spray corresponding gunning mix to the damaged part of the taphole, so that the damaged part is gunned and repaired in time. The gunning material needs to be mixed with water before gunning, and needs to be stirred while feeding, so that the gunning material is uniformly mixed, and the fluidity of the gunning material is ensured. But current gunning equipment is when the feeding, can't carry out effective control to the feed amount, it is enough even to feed in raw material, feed rate is uneven, make the water addition volume can not be mastered, thereby it is good and bad when good to cause the mobility of gunning material, easily cause the jam of pipeline and gunning rifle, be unfavorable for going on smoothly of gunning operation, and the in-process of stirring can produce a large amount of dust on one side of feeding, the dust is scattered can cause serious pollution to production environment on every side, and harm staff's is healthy, remain to improve.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a dust collector for iron notch gunning refractory is reinforced usefulness utilizes the impeller to realize evenly reinforced, is convenient for control reinforced volume, and when reinforced, utilizes dust cage cooperation cyclone and dust removal pond to carry out the operation of dual dust removal, guarantees to remove dust completely to solve above-mentioned problem.

In order to achieve the above object, the utility model adopts the following technical scheme: a dust removal device for feeding of a taphole gunning mix comprises a movable base, wherein a water tank and a mixing drum are sequentially arranged on the movable base, the water tank is communicated with the side wall of the top of the mixing drum through a water inlet pipeline, a discharging pipe is arranged at the bottom of the mixing drum, a material pump is arranged below the discharging pipe, the inlet of the material pump is communicated with the tail end of the discharging pipe, the outlet of the material pump is connected with a gunning gun through a gunning hose, a stirring mechanism is vertically and rotatably arranged in the mixing drum, a feeding pipe is arranged at one end, away from the water inlet pipeline, of the top of the mixing drum, the top of the feeding pipe is communicated with a homogenizing pipe, a rotating shaft is horizontally and rotatably arranged in the homogenizing pipe, a plurality of impellers are arranged circumferentially of the rotating shaft, the top end of the homogenizing pipe is communicated with a feeding hopper, a dust collection cover is arranged above one side of the, the dust hood is communicated with an air inlet of the cyclone dust collector through a dust collection pipe, and an air outlet of the cyclone dust collector is communicated with the water in the dust removal pool through an exhaust pipe.

Preferably, the dust cage is trapezoidal in cross section, and the large-diameter end of the dust cage faces the feed hopper.

Preferably, the dust suction pipe and the exhaust pipe are both provided with blowers.

Preferably, a support plate is horizontally arranged on the outer side wall of the mixing drum below the dust collection cover, the dust removal tank and the cyclone dust collector are fixedly arranged on the support plate, a drain pipe is arranged on the side wall of the bottom of the dust removal tank, a drain valve is arranged on the drain pipe, and a filter screen is arranged on one end port of the drain pipe close to the dust removal tank.

Preferably, the impeller is provided with three impellers which are uniformly distributed at intervals on the circumference.

Preferably, a water pump and a flow regulating valve are arranged on the water inlet pipeline, and one end of the water inlet pipeline extending into the mixing drum is connected with a downward-inclined spray head.

Preferably, rabbling mechanism includes vertical and rotates the (mixing) shaft that sets up, churn top and fixedly connected with agitator motor are stretched out on the (mixing) shaft top, radially being equipped with a plurality of puddlers on the both sides of (mixing) shaft, interval distribution about the puddler of homonymy is, crisscross distribution about the puddler of both sides is, all is equipped with a plurality of stirring branch on every puddler, stirring branch follows the length direction equipartition of puddler on the outer wall of puddler, and stirring branch keeps away from the one end of puddler and all sets up towards the direction slope of keeping away from the (mixing) shaft.

Preferably, a plurality of transverse supporting rods are uniformly distributed on the bottom end of the stirring shaft in the circumferential direction, and rotary rods are hinged to the upper side and the lower side of one end, away from the stirring shaft, of each transverse supporting rod.

Preferably, a transparent observation window is arranged on the outer side wall of the stirring barrel, and a discharge valve is arranged on a discharge pipe at the bottom of the stirring barrel.

Preferably, the movable base comprises a bottom plate, a push rod is fixedly arranged on one side, away from the gunning gun, of the bottom plate, movable wheels are arranged at four corners of the lower surface of the bottom plate and comprise a pair of directional wheels and a pair of brake type universal wheels, the brake type universal wheels are arranged at two corners of one end, close to the push rod, of the lower surface of the bottom plate, and the directional wheels are arranged at two corners of the other end of the lower surface of the bottom plate.

The utility model has the advantages that: the utility model relates to a rationally, simple structure removes the setting of base, can realize the bulk movement of gunning equipment, is convenient for adjust according to the actually required repair position of taphole is nimble, can put in order the use flexibility and the convenience of gunning equipment by force greatly. The material can be limited to the material in the setting of pivot and the last impeller of pivot, realizes at the uniform velocity and evenly reinforced of material, and the regulation and control of cooperation pivot speed can be controlled the reinforced volume of material, is convenient for regulate and control the water yield, guarantees the good mobility of final gunning material, avoids the condition emergence of gunning rifle jam, guarantees that the gunning operation goes on smoothly. Through the cooperation of dust cage and cyclone, dust removal pond, can realize dual dust removal operation, guarantee to clear up completely, thoroughly the dust that the reinforced process produced to dust pollution when greatly reduced feeds in raw material, the quality of guaranteeing production environment on every side and staff's is healthy, and can recycle the dust of retrieving, and extravagant raw materials is not favorable to manufacturing cost's reduction. In addition, through the cooperation of puddler and horizontal bar, can improve stirring efficiency greatly, the reinforcing makes the gunning mix after the stirring more even to the stirring effect of material, is favorable to follow-up gunning operation, guarantees the gunning quality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

Reference numbers in the figures: the device comprises a movable base 1, a movable wheel 2, a push rod 3, a water tank 4, a water pump 5, a flow control valve 6, a stirring rod 7, a stirring rod support 8, a stirring shaft 9, a water inlet pipeline 10, a nozzle 11, a stirring barrel 12, a stirring motor 13, a feeding pipe 14, a material homogenizing pipe 15, a feeding hopper 16, a rotating shaft 17, an impeller 18, a dust collection cover 19, a dust suction pipe 20, an air blower 21, an exhaust pipe 22, a cyclone dust collector 23, a support plate 24, a dust collection tank 25, a transverse support rod 26, a rotary rod 27, a discharge valve 28, a discharge pipe 29, a material pump 30, a spray-repairing hose 31, a switch 32, a spray-repairing gun 33, a water discharge pipe 34, a drain valve 35 and a filter screen 36.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

as shown in figures 1 and 2, the dust removal device for the feeding of the taphole gunning material comprises a movable base 1, can realize the overall movement of the gunning equipment, is convenient to flexibly adjust the actually required repairing part of the taphole, and can greatly strengthen the use flexibility and convenience of the gunning equipment. Be equipped with water tank 4 and churn 12 on the removal base 1 in proper order, water tank 4 passes through inlet channel 10 and the top lateral wall intercommunication of churn 12 for the operation of adding water of gunning refractory stirring in-process. The bottom of the mixing drum 12 is provided with a discharge pipe 29 for discharging. A material pump 30 is arranged below the discharge pipe 29, an inlet of the material pump 30 is communicated with the tail end of the discharge pipe 29, an outlet of the material pump 30 is connected with a gunning gun 33 through a gunning hose 31, gunning materials can enter the material pump 30 through the discharge pipe 29 during gunning operation, and then can enter the gunning gun 33 through the gunning hose 31 under the action of the material pump 30 to realize gunning operation. The arrangement of the gunning hose 31 can make the gunning gun 33 more flexible to use, and ensure the gunning operation to be carried out smoothly. During the in-service use, still be equipped with switch 32 on the one end of gunning gun 33 near gunning hose 32, switch 32 establishes ties to the control circuit of charge pump 30 in for control charge pump 30 opens and close, the staff of being more convenient for controls gunning gun 33 and carries out the gunning operation. A stirring mechanism is vertically and rotatably arranged in the stirring cylinder 12 for mixing and stirring materials. The top of the mixing drum 12, which is far from the end of the water inlet pipe 10, is provided with a feeding pipe 14 for feeding. The top intercommunication of inlet pipe 14 has the homogenization pipe 15, and the level just rotates in the homogenization pipe 15 and is equipped with pivot 17, is equipped with a plurality of impellers 18 in the circumference of pivot 17, specifically can set to three, is circumference interval equipartition, and during the use, the homogenization pipe 15 is stretched out to pivot 17 one end, and connect driving motor (not drawn in the picture), utilize driving motor to provide power, drive pivot 17 and the last impeller 18 of it rotates to the cooperation carries out reinforced operation. The top intercommunication of homocline pipe 15 has feeder hopper 16, in the use, it is reinforced through feeder hopper 16, start driving motor simultaneously, make the material get into homocline pipe 15 after, can be by rotatory impeller 18 limit material, can send the material into churn 12 at the uniform velocity and uniformly, and accessible control driving motor's rotational speed comes control feeding rate, thereby regulate and control the feeding volume, and then be convenient for regulate and control the water feeding volume, guarantee the good mobility of final gunning material, avoid the condition emergence of gunning gun 33 jam, guarantee that the gunning operation goes on smoothly. A dust collecting cover 19 is arranged above one side of the feed hopper 16, and the dust collecting cover 19 is inclined downwards towards the feed hopper 16 and is used for collecting dust and cooperatively performing dust removal operation. A cyclone dust collector 23 and a dust collection tank 25 filled with water are arranged below the dust collection cover 19, the dust collection cover 19 is communicated with an air inlet of the cyclone dust collector 23 through a dust collection pipe 20, an air outlet of the cyclone dust collector 23 is communicated with the water in the dust collection tank 25 through an exhaust pipe 22, so that the dust can be collected through the dust collection cover 19 during feeding, the dust is firstly sent into the cyclone dust collector through the dust collection pipe 20 for dust collection treatment to remove most of the dust generated during feeding, then the tail gas of the untreated dust can enter the water in the dust collection tank 25 through the exhaust pipe 22, the residual dust in the tail gas can be removed and precipitated and recovered by using the water in the dust collection tank 25, thereby realizing double complete treatment of the dust, ensuring high efficiency and thorough dust collection operation, greatly reducing the dust pollution during feeding, ensuring the quality of the surrounding production environment and the health of workers, and being capable of recycling the dust, does not waste raw materials, and is beneficial to reducing the production cost.

In this embodiment, the dust collecting cover 19 has a trapezoidal cross section and its large diameter end faces the feeding hopper 16, so as to ensure the overall dust collecting coverage, improve the dust removing quality and reduce the dust scattering. The dust suction pipe 20 and the exhaust pipe 22 are provided with a blower 21 for supplying wind power to perform dust removal operation. The outer side wall of the stirring barrel 12 below the dust hood 19 is horizontally provided with a supporting plate 24, and the dust removal tank 25 and the cyclone dust collector 23 are fixedly arranged on the supporting plate 24, so that the integrity of the equipment is ensured, and the whole movement and the use are convenient. Be equipped with drain pipe 34 on the bottom lateral wall of dust removal pond 25, be equipped with drain valve 35 on drain pipe 34, be equipped with filter screen 36 on the one end port that drain pipe 34 is close to dust removal pond 25, can use a period back at dust removal pond 25, through opening drain valve 35 on drain pipe 34, alright fall the water discharge in the dust removal pond 25, handle and retrieve the recycle to the dust precipitate by the separation of filter screen 36 in dust removal pond 25 again, fully retrieve the dust, it is extravagant to reduce the raw materials, and production cost is reduced.

In this embodiment, be equipped with water pump 5 and flow control valve 6 on the inlet channel 10, the one end that inlet channel 10 stretched into churn 12 is connected with the shower nozzle 11 of downward sloping, when adding water, through operation water pump 5, alright send the water in the water tank 4 to shower nozzle 11 department through inlet channel 10, and then to the material blowout in churn 12, the cooperation material stirs the mixture. The flow regulating valve 6 is arranged, so that the adding rate and the adding amount of water can be regulated and controlled according to the actual adding rate and the actual adding amount, the quality of the final gunning mix is ensured, and the subsequent operation is not influenced.

In this embodiment, rabbling mechanism includes vertical and the (mixing) shaft 9 that rotates the setting, and 12 tops of churn and fixedly connected with agitator motor 13 are stretched out on (mixing) shaft 9 top, and during the use, through agitator motor 13's operation provides power, alright drive (mixing) shaft 9 and rotate, and the cooperation realizes the stirring operation. Radially being equipped with a plurality of puddlers 7 on the both sides of (mixing) shaft 9, interval distribution about the puddler 7 of homonymy is, crisscross distribution about the puddler 7 of both sides is, can guarantee that stirring effect distributes evenly, and the stirring dynamics is enough, realizes the high-efficient stirring to the material, reinforcing stirring effect. All be equipped with a plurality of stirring branch 8 on every puddler 7, stirring branch 8 is along the length direction equipartition of puddler 7 on the outer wall of puddler 7, and stirring branch 8 keeps away from the one end of puddler 7 and all sets up towards the direction slope of keeping away from (mixing) shaft 9, can further strengthen the stirring effect of puddler 7, guarantees to mix even, complete of stirring, improves stirring efficiency and stirring quality. The equipartition has a plurality of cross-struts 26 on the bottom week of (mixing) shaft 9, cross-struts 26 is kept away from on the one end of (mixing) shaft 9, the downside all articulates and is equipped with rotary rod 27, make cross-struts 26 when rotating along with (mixing) shaft 9, can make rotary rod 27 on it be unordered rotary motion, and then make to produce stronger turbulent flow between the material, guarantee that the bottom material also can obtain intensive mixing, it is more even to make between the material, it is complete, the stirring of cooperation puddler 7, the realization is to the intensive mixing stirring of material, can improve stirring efficiency greatly, the reinforcing is to the stirring effect of material, make the gunning material after the stirring more even, be favorable to follow-up gunning operation, guarantee the gun.

In this embodiment, be equipped with transparent observation window (not drawn in the figure) on the lateral wall of churn 12, the staff of being convenient for monitors the interpolation and the stirring condition of material and water in to churn 12, conveniently in time makes the adjustment, guarantees the quality of gunning mix material. A discharge valve 28 is arranged on a discharge pipe 29 at the bottom of the mixing drum 12 for controlling the discharge.

In this embodiment, remove base 1 and include the bottom plate, the bottom plate is kept away from the fixed push rod 3 that is equipped with in one side of gunning rifle 33, is convenient for promote whole gunning equipment rapid draing. Bottom plate lower surface four corners department all is equipped with and removes wheel 2, removes wheel 2 and includes a pair of directional wheel and a pair of brake formula universal wheel, and the two corners department that bottom plate lower surface is close to the one end of push rod 3 is located to brake formula universal wheel, and the two corners department of the bottom plate lower surface other end is located to directional wheel, the overall movement of the better control gunning equipment of being convenient for, and can be convenient for the device remove and fix after targetting in place, do not influence the stirring and the gunning operation of follow-up gunning material.

The utility model discloses a theory of operation: the utility model discloses when using, remove whole device to suitable position through push rod 3 earlier, it is fixed to remove a pair of brake formula universal wheel in the wheel 2 again, alright make whole device keep fixed, the stirring and the gunning operation of the follow-up gunning refractory of being convenient for. During the use, through the feeder hopper 16 feeding to the driving motor who is connected with pivot 17 is operated, drives pivot 17 and the impeller 18 on it and rotates, makes impeller 18 carry out the limit material to the material, can send into the churn 12 with the material at the uniform velocity and evenly, through control driving motor's rotational speed, can control feeding rate, thereby regulate and control the feeding volume. When feeding, the air blower 21 on the dust suction pipe 20 and the exhaust pipe 22 is operated, and the dust generated during feeding can be sucked into the cyclone dust collector 23 to carry out dust removal operation through the matching of the dust collection cover 19 and the dust suction pipe 20, tail gas discharged by the cyclone dust collector 23 is introduced into the dust removal tank 25 through the exhaust pipe 22, and residual dust in the tail gas is removed and precipitated and recovered by using water in the dust removal tank 25, so that complete treatment of the dust can be realized, and the high efficiency and the thoroughness of the dust removal operation are ensured. In the feeding process, the stirring motor 13 operates to drive the stirring shaft 9 and the stirring rod 7 and the transverse supporting rod 26 thereon to rotate, so that the materials are fully stirred and uniformly mixed. Meanwhile, the water pump 5 is started, the opening degree of a valve of the flow regulating valve 6 is adjusted according to the feeding amount, water is added into the mixing drum 12 through the spray head 11, and under the action of the mixing mechanism, the materials and the water are uniformly mixed, so that the good flowability of the final gunning mix is ensured, and the condition of blockage is avoided. After the gunning material is stirred, gunning operation can be carried out, which specifically comprises the following steps: the discharge valve 28 on the discharge pipe 29 is opened first, so that the gunning material in the mixing drum 12 can enter the material pump 30, then a worker controls the gunning gun 33 to aim at the position of the taphole to be repaired, the switch 32 on the gunning gun 33 is pressed, the material pump 30 is started, the gunning material can be sent into the gunning gun 33 through the gunning hose 31, and then the gunning material is sprayed at the position to be repaired, and the taphole is repaired.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A dust removal device for feeding of a taphole gunning mix is characterized by comprising a movable base, wherein a water tank and a mixing drum are sequentially arranged on the movable base, the water tank is communicated with the side wall of the top of the mixing drum through a water inlet pipeline, a discharging pipe is arranged at the bottom of the mixing drum, a material pump is arranged below the discharging pipe, the inlet of the material pump is communicated with the tail end of the discharging pipe, the outlet of the material pump is connected with a gunning gun through a gunning hose, a stirring mechanism is vertically and rotatably arranged in the mixing drum, a feeding pipe is arranged at one end, away from the water inlet pipeline, of the top of the mixing drum, a homogenizing pipe is communicated with the top of the feeding pipe, a rotating shaft is horizontally and rotatably arranged in the homogenizing pipe, a plurality of impellers are circumferentially arranged on the rotating shaft, the top end of the homogenizing pipe is communicated with the feeding, the dust collecting cover is provided with a cyclone dust collector and a dust collecting pool filled with water below, the dust collecting cover is communicated with an air inlet of the cyclone dust collector through a dust collecting pipe, and an air outlet of the cyclone dust collector is communicated to the water in the dust collecting pool through an exhaust pipe.

2. The dust removing device for feeding of taphole mix according to claim 1, wherein the dust cage is trapezoidal in cross-section with its larger diameter end facing the feed hopper.

3. The dust removing device for feeding of taphole gunning mix according to claim 1, wherein the dust suction pipe and the exhaust pipe are provided with blowers.

4. The dust removing device for feeding of taphole gunning mix according to claim 1, wherein a support plate is horizontally arranged on the outer side wall of the mixing drum below the dust hood, the dedusting pool and the cyclone are both fixed on the support plate, a drain pipe is arranged on the side wall of the bottom of the dedusting pool, a drain valve is arranged on the drain pipe, and a filter screen is arranged on one end port of the drain pipe close to the dedusting pool.

5. The dust removing device for feeding of a taphole gunning mix according to claim 1, wherein there are three impellers and circumferentially spaced apart.

6. The dust removing device for feeding of tapping hole gunning mix according to claim 1, wherein a water pump and a flow control valve are provided on the water inlet pipeline, and one end of the water inlet pipeline extending into the mixing drum is connected with a nozzle inclined downwards.

7. The dust removing device for feeding the taphole gunning mix according to claim 1, wherein the stirring mechanism comprises a vertical and rotatably disposed stirring shaft, the top end of the stirring shaft extends out of the top of the stirring barrel and is fixedly connected with a stirring motor, a plurality of stirring rods are radially disposed on two sides of the stirring shaft, the stirring rods on the same side are vertically spaced, the stirring rods on two sides are vertically staggered, each stirring rod is provided with a plurality of stirring struts, the stirring struts are uniformly distributed on the outer wall of the stirring rod along the length direction of the stirring rod, and one ends of the stirring struts far away from the stirring rod are obliquely disposed towards the direction far away from the stirring shaft.

8. The dust removing device for feeding tapping hole gunning mix according to claim 7, wherein a plurality of cross-struts are uniformly distributed on the circumference of the bottom end of the stirring shaft, and the upper and lower sides of one end of each cross-strut, which is far away from the stirring shaft, are hinged with rotating rods.

9. The dust removing device for feeding of the taphole gunning mix according to claim 1, wherein the outer side wall of the mixing drum is provided with a transparent observation window, and a discharge pipe at the bottom of the mixing drum is provided with a discharge valve.

10. The dust removing device for feeding gunning mix at a taphole according to claim 1, wherein the movable base comprises a bottom plate, a push rod is fixedly arranged at one side of the bottom plate far away from the gunning gun, movable wheels are arranged at four corners of the lower surface of the bottom plate, the movable wheels comprise a pair of directional wheels and a pair of brake universal wheels, the brake universal wheels are arranged at two corners of one end of the lower surface of the bottom plate close to the push rod, and the directional wheels are arranged at two corners of the other end of the lower surface of the bottom plate.