CN217953087U

CN217953087U - Intermediate frequency furnace with smoke collecting device

Info

Publication number: CN217953087U
Application number: CN202221892371.1U
Authority: CN
Inventors: 庞峰
Original assignee: Cangzhou Huanrui Precision Casting Co ltd
Current assignee: Cangzhou Huanrui Precision Casting Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-02
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to an intermediate frequency furnace technical field just discloses an intermediate frequency furnace with collection cigarette device, including the intermediate frequency furnace body, the middle part at intermediate frequency furnace body top is equipped with the feed inlet, one side of intermediate frequency furnace body is equipped with the air exhauster, the outer lane of feed inlet is connected with assembles the ring, the inboard of assembling the ring evenly is connected with the smoking pipe, the inboard of smoking pipe opposite side is connected with the sucking disc, one side of intermediate frequency furnace body is equipped with heat exchange water tank. This intermediate frequency furnace with collection cigarette device has set up heat transfer water tank, and collection cigarette device is at the in-process of collecting the smoke and dust, and the water in the heat transfer water tank can be for the smoke and dust cooling, reduces the influence of smoke and dust temperature to air exhauster and filter screen, and the use of the collection cigarette device of being convenient for, the filter screen and the setting of rose box connected mode make the filter screen at the in-process of changing, and collection cigarette device can be in the state of work, the intermediate frequency furnace's of being convenient for work.

Description

Intermediate frequency furnace with smoke collecting device

Technical Field

The utility model relates to an intermediate frequency wheel technical field specifically is an intermediate frequency furnace with collection cigarette device.

Background

In casting production, as technology and production develop to meet the requirements of higher quality of iron castings, such as thinning, lightening and strengthening, medium frequency furnace operation is increasingly adopted to obtain better molten iron. The produced high temperature dusty flue gas of intermediate frequency furnace during operation need be collected through the sack cleaner, because the temperature of flue gas is higher, can cause the influence to the filtration sack in the sack cleaner, and because high temperature, corrosive gas, and the dust is to the skiving of sack, the sack is with a period of back, need regularly change, because the sack is located the inside of dust remover, the sack cleaner need be shut down when the sack is changed, the sack is when changing, the unable continuation work of dust remover, cause the influence to the use of intermediate frequency furnace, for this reason, provide an intermediate frequency furnace with smoke collecting device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an intermediate frequency furnace with collection cigarette device possesses and to lower the temperature to the flue gas, and the collection of the collection cigarette device of being convenient for is changing the in-process of sack, and collection cigarette device need not shut down, and the problem of proposing among the above-mentioned background art has been solved to the advantage of the intermediate frequency furnace work of being convenient for.

The utility model provides a following technical scheme: the utility model provides an intermediate frequency furnace with collection cigarette device, includes the intermediate frequency furnace body, the middle part at intermediate frequency furnace body top is equipped with the feed inlet, one side of intermediate frequency furnace body is equipped with the air exhauster, the outer lane of feed inlet is connected with assembles the ring, the inboard of assembling the ring evenly is connected with the smoking pipe, the inboard of smoking pipe opposite side is connected with the sucking disc, one side of intermediate frequency furnace body is equipped with heat transfer water tank, heat transfer water tank's top is connected with the rose box, heat transfer water tank inner chamber's middle part is equipped with the heat exchange tube, assemble the ring and be connected with the one end of heat exchange tube through the connecting pipe, the other end of heat exchange tube and the air intake connection of air exhauster, the air outlet of air exhauster is connected with out the tuber pipe, the other end that goes out the tuber pipe extends to the top of rose box inner chamber, the top and the bottom of rose box inner chamber all are equipped with the connecting plate, are equipped with the fluting on two connecting plates, and two fixed type grooves are all equipped with the filter screen in the intracavity swing joint, fluting lie in the inboard of two filter screens, one side of rose box bottom is connected with blast pipe, the fluting joint is connected with the bottom of plywood box, the open joint is connected with the lead screw joint is connected with the open box bottom of filter box.

Preferably, the heat exchange tube is S-shaped, and the outer ring of the heat exchange tube is fixedly sleeved with a mesh tube.

Preferably, the one end of filter screen evenly is equipped with the through-hole, one side evenly be connected with the fixed column of through-hole adaptation limiting plate two, the inboard evenly be connected with the cylinder of the filter screen other end, evenly be equipped with the hole with the cylinder adaptation on the limiting plate one.

Preferably, one side of the filter box is connected with a sealing block, the sealing block is in contact with the outer surface of the end part of the filter screen, and the outer surface of the sealing block is wrapped with rubber.

Preferably, the lead screw has been cup jointed in the outer lane activity of the connecting plate of below, the top of connecting plate is inlayed and is had the rotation motor, the output shaft end that rotates the motor is connected with the middle part at lead screw top, one side and the lead screw threaded connection of open-close plate.

Preferably, the thickness of the end part of the filter screen is half of the thickness of the middle part of the filter screen, the cross sections of the cylinder and the fixed column are the same, and the length of the cylinder is the same as the thickness of the end part of the filter screen.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this intermediate frequency furnace with collection cigarette device has set up heat transfer water tank, and collection cigarette device is at the in-process of collecting the smoke and dust, and the water in the heat transfer water tank can be for the smoke and dust cooling, reduces the influence of smoke and dust temperature to air exhauster and filter screen, and the use of the collection cigarette device of being convenient for, the filter screen and the setting of rose box connected mode make the filter screen at the in-process of changing, and collection cigarette device can be in the state of work, the intermediate frequency furnace's of being convenient for work.

2. This intermediate frequency furnace with collection cigarette device through the setting of exhaust pipe one and exhaust pipe two, and the gas after the rose box filters discharges in the heat transfer water tank, makes in the gas not dissolved the aquatic by the dust of filter screen interception, improves collection cigarette device's result of use, through the setting of network management, can protect the heat exchange tube, prevents that the impurity adhesion of aquatic from on the heat exchange tube, influencing the availability factor of heat exchange tube.

Drawings

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

FIG. 2 is a back view of the structure of FIG. 1;

FIG. 3 is a schematic sectional view of the filter box of the present invention;

fig. 4 is an enlarged schematic view of the structure filter screen of the present invention.

In the figure: 1. an intermediate frequency furnace body; 2. a convergence ring; 3. a smoke extraction pipe; 4. a heat exchange water tank; 5. a filter box; 6. an air outlet pipe; 7. a collection box; 8. a first exhaust pipe; 9. a heat exchange pipe; 10. a second exhaust pipe; 11. a sealing block; 12. a connecting pipe; 13. a filter screen; 14. a through hole; 15. a second limiting plate; 16. a cylinder; 17. a first limiting plate; 18. rotating the motor; 19. opening and closing the plate; 20. a screw rod; 21. a connecting plate; 22. an exhaust fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 and 2, an intermediate frequency furnace with a smoke collection device, which comprises an intermediate frequency furnace body 1 and the smoke collection device, wherein a feed inlet is arranged at the middle part of the top of the intermediate frequency furnace body 1, the smoke collection device comprises a gathering ring 2, a heat exchange water tank 4, a filter box 5 and an exhaust fan 22, the gathering ring 2 is welded on the outer ring of the top end of the feed inlet, the gathering ring 2 is hollow, a smoke extraction pipe 3 is uniformly welded on the inner side of the gathering ring 2, the inner cavity of the smoke extraction pipe 3 is communicated with the inner cavity of the gathering ring 2, a suction cup is embedded on the inner side of the top end of the smoke extraction pipe 3, the suction cup is positioned on the outer ring above the feed inlet, through the gathering ring 2, the smoke extraction pipe 3 and the suction cup, smoke generated during the operation of the intermediate frequency furnace body 1 can enter the inner cavity of the gathering ring 2 through the suction cup and the smoke extraction pipe 3, and one side of the bottom of the gathering ring 2 is connected with a connecting pipe 12 through threads.

The subaerial heat exchange water tank 4 of having placed of 1 one side of intermediate frequency furnace body, one side on 4 tops of heat exchange water tank is equipped with the water inlet, one side of 4 bottoms of heat exchange water tank is equipped with the outlet, and the equal joint in the inner chamber of water inlet and outlet has the stopper, make heat exchange water tank 4 can keep sealed state when using, the middle part of 4 inner chambers of heat exchange water tank is equipped with S-shaped heat exchange tube 9, and the both ends of heat exchange tube 9 all extend to heat exchange water tank 4' S the outside, the external fixed surface of heat exchange tube 9 has cup jointed the network management, and the internal diameter of network management is the twice of 9 internal diameters of heat exchange tube, the mesh on the network management can only pass through water, setting through the network management, can intercept the impurity of aquatic, prevent the impurity adhesion of aquatic on heat exchange tube 9, influence the heat transfer effect of heat exchange tube 9.

The other end of connecting pipe 12 and the one end threaded connection of heat exchange tube 9, the other end threaded connection of heat exchange tube 9 has the bellows, the other end of bellows and the air intake threaded connection of air exhauster 22, air exhauster 22 is located the subaerial of 1 one side of intermediate frequency furnace body, setting through air exhauster 22, the work of air exhauster 22 can make the sucking disc produce suction, the flue gas that this intermediate frequency furnace during operation produced can enter into in the heat exchange tube 9, gas and aquatic products calorific capacity exchange in the heat exchange tube 9, reduce the temperature of flue gas.

Air outlet threaded connection of air exhauster 22 has out tuber pipe 6, and threaded connection has rose box 5 at heat exchange water tank 4's top, and the middle part at rose box 5 inner chamber top is inlayed to the other end that goes out tuber pipe 6, and the flue gas after the cooling can enter into the inner chamber of rose box 5.

Referring to fig. 3 and 4, the top end and the bottom end of the inner cavity of the filter box 5 are welded with the connecting plates 21, the inner cavity of the filter box 5 is divided into a flue gas inlet cavity, a filter cavity and a dust collecting cavity from top to bottom by the two connecting plates 21, the other end of the air outlet pipe 6 is located at the top end of the inner cavity of the flue gas inlet cavity, the bottoms of the flue gas inlet cavity and the filter cavity are provided with slots, the inner sides of the two connecting plates 21 are provided with two shaping grooves, the slots are located at the inner sides of the two shaping grooves, the inner cavity of the shaping grooves is movably connected with the filter screen 13, the top and the bottom of the filter screen 13 are in contact with the connecting plates 21, the flue gas to be filtered enters the inner sides of the two filter screens 13, the filter screen 13 intercepts impurities in the flue gas, and the filtered gas enters the outer sides of the two filter screens 13.

The middle part of the filter cavity is provided with a rectangular groove, the end part of the filter screen 13 extends to the outer side of the filter box 5 through the rectangular groove, the two sides of the rectangular groove are welded with sealing blocks 11, rubber is wrapped on the outer surface of each sealing block 11, the sealing blocks 11 are in contact with the outer surface of the filter screen 13, the sealing performance of the filter box 5 can be improved through the arrangement of the sealing blocks 11, the filter box 5 is convenient to use, one end of the filter screen 13 is uniformly provided with through holes 14, one side of each limiting plate II 15 is uniformly connected with a fixing column matched with the through holes 14, the inner side of the other end of the filter screen 13 is uniformly connected with a cylinder 16, the fixing column is identical to the cross section of the cylinder, holes matched with the cylinder 16 are uniformly formed in the limiting plate I17, the thickness of the end part of the filter screen 13 is half of the thickness of the middle part of the filter screen 13, the cylinder 16 is identical to the length of the end part of the filter screen 13, the filter screen 13 can be fixed through the arrangement of the limiting plates I17 and the limiting plates II 15, and the filter screen 13 can be kept in a stable state when being used. And the arrangement of the filter screen 13 is convenient for connecting the two filter screens 13 together, and is convenient for replacing the filter screen 13.

One side of filter chamber bottom is inlayed and is had blast pipe 8, the other end of blast pipe 8 extends to the bottom of 4 inner chambers of heat exchange water tank, the top of 4 opposite sides of heat exchange water tank is inlayed and is had blast pipe two 10, setting through blast pipe 8 and blast pipe two 10, can discharge the interior intracavity of heat exchange water tank 4 through the filterable gas of filter screen 13, the tiny impurity that is not intercepted by filter screen 13 in this gas can be dissolved in the aquatic, improve this collection cigarette device's flue gas treatment effect, gas after the process is filtered again is discharged from blast pipe two 10.

The bottom joint of dust collection chamber inner chamber has collection box 7, the middle part in the collection box 7 outside is equipped with carries the pull groove, setting through collection box 7, be convenient for collect filterable dust, the one side activity at dust collection intracavity chamber top has cup jointed lead screw 20, the outer lane threaded connection of lead screw 20 bottom has open-close plate 19, open-close plate 19's top and grooved inner chamber adaptation, lead screw 20's top extends to the filter chamber, and one side of filter chamber is inlayed and is had the output shaft end that rotates motor 18 and the middle part at lead screw 20 top to pass through bolted connection, through open-close plate 19 and connection structure's setting, the rotation of rotating motor 18 can drive the lead screw 20 rotation of being connected with it, the rotation of lead screw 20 can change open-close plate 19's position, make open-close plate 19 and fluting can joint or separation, when open-close plate 19 and fluting separation, the dust that is intercepted by filter screen 13 can drop in collection box 7 under the effect of gravity, when open-close plate 19 and fluting joint, the use of filter screen 13 is convenient for.

The working principle is as follows: when the device is used, the exhaust fan 22 is started, negative pressure is generated at the position of the sucking disc due to the work of the exhaust fan 22, smoke generated during the work of the intermediate frequency furnace enters the inner cavity of the sucking disc and enters the inner cavity of the heat exchange tube 9 along the inner cavity of the smoke exhaust tube 3, the gathering ring 2 and the connecting tube 12, heat of gas and water in the heat exchange tube 9 is exchanged, the temperature of the gas is reduced, the cooled gas enters the inner sides of the two filter screens 13 along the air outlet tube 6 and the grooves in the filter cavity, the filter screens 13 intercept impurities in the gas, the filtered gas enters the inner cavity of the heat exchange water tank 4 along the exhaust tube I8, particles which are not intercepted by the filter screens 13 in the gas are dissolved in the water, the gas is secondarily filtered, and the secondarily filtered gas is discharged through the exhaust tube II 10.

When needing to change filter screen 13, the user takes off limiting plate two 15, the tip joint of new filter screen 13 and this filter screen 13, the outside pulling limiting plate one 17 of user, this filter screen 13 outwards removes under the effect of pulling, and this filter screen 13 drives new filter screen 13 and removes, and until filter screen 13 realizes changing the back, the user separates two filter screens 13 to limiting plate two 15 and new filter screen 13 joint.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides an intermediate frequency furnace with collection cigarette device, includes intermediate frequency furnace body (1), the middle part at intermediate frequency furnace body (1) top is equipped with the feed inlet, one side of intermediate frequency furnace body (1) is equipped with air exhauster (22), its characterized in that: the outer ring of the feed inlet is connected with a gathering ring (2), the inner side of the gathering ring (2) is uniformly connected with a smoke extraction pipe (3), the inner side of the other side of the smoke extraction pipe (3) is connected with a sucker, one side of an intermediate frequency furnace body (1) is provided with a heat exchange water tank (4), the top of the heat exchange water tank (4) is connected with a filter box (5), the middle of the inner cavity of the heat exchange water tank (4) is provided with a heat exchange pipe (9), the gathering ring (2) is connected with one end of the heat exchange pipe (9) through a connecting pipe (12), the other end of the heat exchange pipe (9) is connected with an air inlet of an exhaust fan (22), an air outlet of the exhaust fan (22) is connected with an air outlet pipe (6), the other end of the air outlet pipe (6) extends to the top end of the inner cavity of the filter box (5), the top end and the bottom end of the inner cavity of the filter box (5) are both provided with connecting plates (21), two connecting plates (21) are provided with grooves, the inner sides of the two connecting plates (21) are both provided with two fixed grooves, the inner cavity is internally provided with a movable filter screen (13) and is positioned at the inner side of the inner cavity of the bottom end of the two filter box (8), one side of the exhaust pipe (8) and the exhaust pipe (8) is connected with the other end of the exhaust pipe (8), two the both ends of filter screen (13) all are located the outside of rose box (5), just the one end joint of filter screen (13) has limiting plate (17), the other end joint of filter screen (13) has two (15) of limiting plate, and connecting plate (21) of below are connected with open-close plate (19) through lead screw (20), open-close plate (19) grooved inner chamber swing joint, the bottom joint of rose box (5) inner chamber has collection box (7), it is located the below of open-close plate (19) to collect box (7).

2. The intermediate frequency furnace with the smoke collecting device according to claim 1, wherein: the heat exchange tube (9) is S-shaped, and the outer ring of the heat exchange tube (9) is fixedly sleeved with a net pipe.

3. The intermediate frequency furnace with the smoke collecting device according to claim 1, wherein: one end of filter screen (13) evenly is equipped with through-hole (14), one side evenly connected with of limiting plate two (15) with the fixed column of through-hole (14) adaptation, the inboard evenly connected with cylinder (16) of filter screen (13) other end, evenly be equipped with the hole with cylinder (16) adaptation on limiting plate (17).

4. The intermediate frequency furnace with the smoke collecting device according to claim 1, wherein: one side of rose box (5) is connected with sealed piece (11), the surface contact of sealed piece (11) and filter screen (13) tip, the surface parcel of sealed piece (11) has rubber.

5. The intermediate frequency furnace with the smoke collecting device according to claim 1, wherein: the lead screw (20) has been cup jointed in the outer lane activity of connecting plate (21) of below, the top of connecting plate (21) is inlayed and is had rotation motor (18), the output shaft end that rotates motor (18) is connected with the middle part at lead screw (20) top, one side and lead screw (20) threaded connection of open-close plate (19).

6. The intermediate frequency furnace with the smoke collecting device according to claim 3, wherein: the thickness of the end part of the filter screen (13) is half of the thickness of the middle part of the filter screen, the cross sections of the cylinder (16) and the fixed column are the same, and the length of the cylinder (16) is the same as the thickness of the end part of the filter screen (13).