CN215962791U

CN215962791U - Dust collector that metal smelting furnace was used

Info

Publication number: CN215962791U
Application number: CN202121631402.3U
Authority: CN
Inventors: 章国岗
Original assignee: Zhejiang Landian Environmental Protection Group Co ltd
Current assignee: Zhejiang Landian Environmental Protection Group Co ltd
Priority date: 2020-08-20
Filing date: 2021-07-19
Publication date: 2022-03-08
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a dust removal device for a metal smelting furnace, which belongs to the technical field of metal smelting, and comprises a smelting furnace, wherein the top end of the smelting furnace is communicated with a smoke exhaust pipe, one end of the smoke exhaust pipe is communicated with the interior of an ash removal box, the bottom end of the ash removal box is provided with a cloth bag, the inner side wall of the ash removal box is provided with a motor, and an output shaft of the motor is fixedly connected with a cam; the effect of the smoke and dust gas that this device smelting pot produced is through two-layer dust screen and circulation spray assembly subassembly down, thereby dust and the fine particle operation of removing dust in the flue gas, when the smoke and dust gas gets into in the dust removal tank and from following the rebound, can carry out more comprehensive operation of spraying, it is better to spray the effect, better reduction smoke and dust gas's dust content, simultaneously under the effect of motor and cam, and then make the reciprocal vibrations of dust screen, thereby shake the dust on the dust screen and fall, reduce follow-up clearance number of times, reduce the running cost.

Description

Dust collector that metal smelting furnace was used

Technical Field

The utility model belongs to the technical field of metal smelting, and particularly relates to a dust removal device for a metal smelting furnace.

Background

Smelting means melting solid metal into liquid by a heating furnace and tempering, and is one of casting production processes, smelting also has the meanings of melting and refining, and the like, metal materials and other auxiliary materials are put into the heating furnace to be melted and tempered, the materials of furnace materials in a high-temperature furnace generate certain physical and chemical changes, and a pyrometallurgical process of producing crude metal or metal concentrates and furnace slag is produced, and the furnace materials, besides concentrate, calcine, sintered ore and the like, sometimes need to be added with a flux for enabling the furnace materials to be easily melted, and a reducing agent for carrying out certain reaction.

At present, can produce a large amount of smoke and dust gases in the metal melting process, can cause the influence to the surrounding environment if direct emission, therefore all can install dust collector on most metal melting stove, but current dust collector is relatively poor to the dust removal effect of smoke and dust, and inside filter screen needs to clear up the operation after using a period, and the clearance number of times is frequent, and consuming time is hard, increases the running cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dust removal device for a metal smelting furnace, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a dust removal device for a metal smelting furnace comprises a smelting furnace, wherein the top end of the smelting furnace is communicated with a smoke exhaust pipe, one end of the smoke exhaust pipe is communicated with the interior of an ash removal box, a cloth bag is installed at the bottom end of the ash removal box, a motor is installed on the inner side wall of the ash removal box, a cam is fixedly connected to an output shaft of the motor, the outer side wall of the cam is attached to a fixing piece, the fixing piece is fixedly connected to two dust filter nets, movable sleeves are fixedly connected to four corners of the two dust filter nets, the four movable sleeves on the two dust filter nets are respectively sleeved on four guide rods, one ends of the four guide rods are fixedly connected to the inner side wall of the ash removal box, springs are sleeved on the outer side wall of each guide rod, the springs are fixedly connected between the movable sleeves and the inner side wall of the ash removal box, one side wall of the ash removal box, which is far away from the smoke exhaust pipe, is communicated with one end of a smoke guide pipe, the smoke guide pipe is hermetically connected to a heating water tank, and the other end of the smoke guide pipe is communicated with the inside of the dust removal tank, the bottom of the dust removal tank is fixedly provided with a circulating spray assembly, the top end of the dust removal tank is fixedly provided with a gas collecting hood, and the top end of the gas collecting hood is communicated with the outside through an exhaust pipe.

The scheme is as follows:

the model of the motor can be 4IK25 GN-C; the model of the circulating water pump can be CPS-20.

In a preferred embodiment, the part of the smoke guide pipe inside the heating water tank is in a spiral structure.

As a preferred embodiment, a water inlet pipe and a water outlet pipe are respectively connected to the sides of the upper surface and the lower surface of the heating water tank far away from each other, and valves are respectively installed on the water inlet pipe and the water outlet pipe.

As a preferred embodiment, circulation spray assembly is including the circulation tank of intercommunication in dust removal tank bottom, and circulation tank's last surface mounting has circulating water pump, circulating water pump's the end of intaking is through drinking-water pipe and circulation tank's inside intercommunication, circulating water pump's the one end intercommunication of the play water end and outlet pipe, respectively with the one end intercommunication of three communicating pipe on the lateral wall of the outlet pipe other end, and the other end of three communicating pipe runs through dust removal tank and extends inside and communicate respectively that there is annular duct a, annular duct b and annular duct c, annular duct a, the equipartition is equipped with a plurality of shower heads on annular duct b and the annular duct c, annular duct a, annular duct b and annular duct c all are in dust removal tank's inside through four mount rigid couplings.

In a preferred embodiment, the diameters of the annular tube a, the annular tube b and the annular tube c increase from top to bottom.

In a preferred embodiment, a water screen is installed inside the circulation tank near the water suction pipe.

Compared with the prior art, the dust removal device for the metal smelting furnace provided by the utility model at least has the following beneficial effects:

(1) the dust gas generated by the smelting furnace of the device is subjected to the action of the two layers of dust filtering nets and the circulating spray assembly, so that dust and fine particles in the smoke gas are subjected to dust removal operation, and the diameters of the annular pipe a, the annular pipe b and the annular pipe c on the circulating spray assembly are sequentially increased from top to bottom, so that when the dust gas enters the dust removal tank and moves upwards from bottom to top, more comprehensive spray operation can be performed, the spray effect is better, the dust content of the dust gas is better reduced, and meanwhile, the dust filtering nets can vibrate in a reciprocating mode under the action of the motor and the cam, so that the dust on the dust filtering nets is shaken off, the subsequent cleaning times are reduced, and the operation cost is reduced;

(2) through the inlet tube to heating water tank inside let in water liquid, because contain certain heat in the smoke and dust gas to when smoke and dust gas passes through from leading the tobacco pipe, can heat the operation to the inside water liquid of heating water tank, simultaneously because it is helical structure to lead the inside part of tobacco pipe in heating water tank, has increased the area of contact of leading tobacco pipe and water liquid, and the effect of heat conduction and heating is better.

Drawings

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

FIG. 2 is a schematic structural view of the interior of the dust removing box of the present invention;

FIG. 3 is a schematic structural view of a cross section of a heating water tank according to the present invention;

FIG. 4 is a schematic view showing the structures of a ring pipe a, a ring pipe b and a ring pipe c according to the present invention;

FIG. 5 is a schematic structural view of a cross section of a circulation tank of the present invention.

In the figure: 1. a furnace; 2. a smoke exhaust pipe; 3. a dust removing box; 4. a cloth bag; 5. a motor; 6. a cam; 7. a fixing member; 8. a dust filter screen; 9. a guide bar; 10. a movable sleeve; 11. a spring; 12. a smoke guide pipe; 13. heating the water tank; 14. a water inlet pipe; 15. a drain pipe; 16. a valve; 17. a dust removal tank; 18. a circulating spray assembly; 1801. a circulating water tank; 1802. a water circulating pump; 1803. a water pumping pipe; 1804. a water outlet pipe; 1805. a communicating pipe; 1806. an annular tube a; 1807. an annular tube b; 1808. an annular tube c; 1809. a shower head; 1810. a fixed mount; 1811. a water screen; 19. a gas-collecting hood; 20. and (4) exhausting the gas.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-5, the utility model provides a dust removing device for a metal smelting furnace, comprising a smelting furnace 1, wherein the top end of the smelting furnace 1 is communicated with a smoke exhaust pipe 2, one end of the smoke exhaust pipe 2 is communicated with the interior of an ash removing box 3, the bottom end of the ash removing box 3 is provided with a cloth bag 4, the inner side wall of the ash removing box 3 is provided with a motor 5, an output shaft of the motor 5 is fixedly connected with a cam 6, the outer side wall of the cam 6 is attached to a fixing part 7, the fixing part 7 is fixedly connected to two dust filtering nets 8, four corners of the two dust filtering nets 8 are fixedly connected with movable sleeves 10, four movable sleeves 10 on the two dust filtering nets 8 are respectively sleeved on four guide rods 9, one end of each guide rod 9 is fixedly connected with the inner side wall of the ash removing box 3, the outer side wall of each guide rod 9 is sleeved with a spring 11, the springs 11 are fixedly connected between the movable sleeves 10 and the inner side wall of the ash removing box 3, one side wall of the ash removing box 3 far away from the smoke exhaust pipe 2 is communicated with one end of a smoke guide pipe 12, the smoke guide pipe 12 is hermetically connected in the heating water tank 13, and the part of the smoke guide pipe 12 in the heating water tank 13 is in a spiral structure (see fig. 3); the contact area between the smoke guide pipe 12 and water is increased, and the heat conduction and heating effects are better.

The side far away from the upper surface and the lower surface of the heating water tank 13 is respectively connected with a water inlet pipe 14 and a water outlet pipe 1804, and valves 16 (see fig. 1 and 3) are respectively arranged on the water inlet pipe 14 and the water outlet pipe 15; the water inlet pipe 14 can be used for introducing water into the heating water tank 13, the water outlet pipe 15 can be used for discharging the heated water in the heating water tank 13, and the opening and closing of the water outlet pipe 15 of the water inlet pipe 14 can be respectively controlled by the action of the valve 16.

The other end of the smoke guide pipe 12 is communicated with the interior of the dust removing tank 17, the bottom of the dust removing tank 17 is fixedly provided with a circulating spray assembly 18, the circulating spray assembly 18 comprises a circulating water tank 1801 communicated with the bottom end of the dust removing tank 17, and the upper surface of the circulating water tank 1801 is provided with a circulating water pump 1802, the water inlet end of the circulating water pump 1802 is communicated with the inside of the circulating water tank 1801 through a water pumping pipe 1803, the water outlet end of the circulating water pump 1802 is communicated with one end of a water outlet pipe 1804, the outer side wall of the other end of the water outlet pipe 1804 is respectively communicated with one end of three communicating pipes 1805, the other ends of the three communicating pipes 1805 extend through the interior of the dust removing tank 17 and are respectively communicated with an annular pipe a1806, an annular pipe b1807 and an annular pipe c1808, a plurality of spray headers 1809 are arranged on the annular pipe a1806, the annular pipe b1807 and the annular pipe c1808 at equal intervals, and the annular pipe a1806, the annular pipe b1807 and the annular pipe c1808 are fixedly connected inside the dust removing tank 17 through four fixing frames 1810 (see fig. 1 and 4); the circulating water pump 1802 works to pump water inside the circulating water tank 1801 through the water pumping pipe 1803, and the water is respectively introduced to the annular pipe a1806, the annular pipe b1807 and the annular pipe c1808 through the water outlet pipe 1804 and the communicating pipe 1805 and is sprayed out through the spray header 1809 to form a spraying effect, so that dust removal operation can be performed on fine particles in the smoke dust gas.

The diameters of the annular pipe a1806, the annular pipe b1807 and the annular pipe c1808 increase from top to bottom in sequence (see fig. 4); therefore, when the smoke dust gas enters the dust removal tank 17 and moves upwards from bottom to top, more comprehensive spraying operation can be carried out, and the spraying effect is better.

A water screen 1811 (see fig. 5) is installed inside the circulation water tank 1801 at a position close to the water pumping pipe 1803; when the sprayed water falls into the circulation water tank 1801, the water is filtered under the action of the water filter 1811, so as to ensure that the circulation water pump 1802 can circularly pump out the water inside the circulation water tank 1801, thereby ensuring the water to be recycled.

The top end of the dust removing tank 17 is fixedly provided with a gas collecting hood 19, and the top end of the gas collecting hood 19 is communicated with the outside through an exhaust pipe 20.

When the dust removing device is used, smoke gas generated when the smelting furnace 1 works enters the dust removing box 3 through the smoke exhaust pipe 2, dust in the smoke gas is blocked under the action of the dust filter net 8, the motor 5 is started to work at the moment, the motor 5 drives the cam 6 to rotate and pushes the fixing piece 7 to move, when the cam 6 does not push the fixing piece 7 any more, the dust filter net 8 is reset under the action of the elastic force of the spring 11, the dust filter net 8 vibrates in a reciprocating manner after the cam 6 rotates, so that the dust on the dust filter net 8 is shaken off, the dust after being shaken off falls into the cloth bag 4 to be collected, when the smoke gas passes through the smoke guide pipe 12, water inside the heating water tank 13 can be heated, meanwhile, because the part of the smoke guide pipe 12 inside the heating water tank 13 is of a spiral structure, the contact area between the smoke guide pipe 12 and the water is increased, and the heat conduction and the heating effect are better, after the smoke and dust gas enters the dust removal tank 17, the water liquid inside the circulating water tank 1801 is pumped by the water pumping pipe 1803 when the circulating water pump 1802 works, the water liquid is respectively pumped into the annular pipe a1806, the annular pipe b1807 and the annular pipe c1808 through the water outlet pipe 1804 and the communicating pipe 1805, and the water liquid is sprayed out through the spray header 1809 to form a spraying effect, so that the dust removal operation can be performed on fine particles in the smoke and dust gas, and the dust and dust gas after dust removal is discharged after passing through the gas collecting hood 19 and the exhaust pipe 20.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dust collector for a metal smelting furnace comprises a smelting furnace (1) and is characterized in that: the top end of the smelting furnace (1) is communicated with a smoke exhaust pipe (2), one end of the smoke exhaust pipe (2) is communicated with the interior of the ash removal box (3), a cloth bag (4) is installed at the bottom end of the ash removal box (3), a motor (5) is installed on the inner side wall of the ash removal box (3), a cam (6) is fixedly connected to an output shaft of the motor (5), the outer side wall of the cam (6) is attached to a fixing piece (7), the fixing piece (7) is fixedly connected to two dust filter nets (8), four corners of the two dust filter nets (8) are fixedly connected with movable sleeves (10), the four movable sleeves (10) on the two dust filter nets (8) are respectively sleeved on the four guide rods (9), one ends of the four guide rods (9) are fixedly connected to the inner side wall of the ash removal box (3), the outer side wall of each guide rod (9) is sleeved with a spring (11), and the springs (11) are fixedly connected between the movable sleeves (10) and the inner side wall of the ash removal box (3), the utility model discloses a dust removal device, including dust removal case (3), smoke exhaust pipe (2), guide pipe (12) sealing connection and dust removal tank (17), dust removal tank (3) are kept away from a lateral wall and the one end intercommunication of guide pipe (12) of discharging fume, guide pipe (12) sealing connection is in heating water tank (13), and the other end of guide pipe (12) and the inside intercommunication of dust removal tank (17), the bottom of dust removal tank (17) has set firmly circulation spray assembly (18), the top of dust removal tank (17) has set firmly gas collecting channel (19), and the top of gas collecting channel (19) is passed through blast pipe (20) and is linked together with the external world.

2. The dust removing device for a metal melting furnace according to claim 1, wherein: the part of the smoke guide pipe (12) in the heating water tank (13) is in a spiral structure.

3. The dust removing device for a metal melting furnace according to claim 1, wherein: the heating water tank (13) is connected with inlet tube (14) and outlet pipe (1804) respectively on the one side that upper surface and lower surface kept away from mutually, and all install valve (16) on inlet tube (14) and drain pipe (15).

4. The dust removing device for a metal melting furnace according to claim 1, wherein: the circulating spray assembly (18) comprises a circulating water tank (1801) communicated with the bottom end of the dust removal tank (17), and the upper surface of the circulating water tank (1801) is provided with a circulating water pump (1802), the water inlet end of the circulating water pump (1802) is communicated with the inside of the circulating water tank (1801) through a water pumping pipe (1803), the water outlet end of the circulating water pump (1802) is communicated with one end of a water outlet pipe (1804), the outer side wall of the other end of the water outlet pipe (1804) is respectively communicated with one end of three communicating pipes (1805), and the other end of three communicating pipe (1805) runs through dust removal tank (17) and extends its inside and communicates respectively annular pipe a (1806), annular pipe b (1807) and annular pipe c (1808), annular pipe a (1806), a plurality of shower heads (1809) are equipped with to the equidistance on annular pipe b (1807) and the annular pipe c (1808), annular pipe a (1806), annular pipe b (1807) and annular pipe c (1808) all through four mount (1810) rigid couplings in the inside of dust removal tank (17).

5. The dust removing device for a metal melting furnace according to claim 4, wherein: the diameters of the annular pipe a (1806), the annular pipe b (1807) and the annular pipe c (1808) are increased from top to bottom in sequence.

6. The dust removing device for a metal melting furnace according to claim 4, wherein: and a water filter screen (1811) is arranged in the circulating water tank (1801) at a position close to the water pumping pipe (1803).