CN217636827U

CN217636827U - Casting smelting furnace exhaust gas removing device

Info

Publication number: CN217636827U
Application number: CN202221165794.3U
Authority: CN
Inventors: 曾冬珍; 郑思远; 钱震灏; 郭跃广; 余祎裕
Original assignee: Longgong Fujian Casting and Forging Co Ltd
Current assignee: Longgong Fujian Casting and Forging Co Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-10-21
Anticipated expiration: 2032-05-16

Abstract

The utility model relates to a casting smelting furnace exhaust gas remover belongs to casting smelting furnace technical field. Its mainly can produce the waste gas that has a high temperature to some existing casting smelting furnaces in the smelting process, need to carry out the cooling treatment to these waste gases, generally with waste gas discharge cooling in cold water, but the waste gas of high temperature suddenly gets into cold aquatic can produce great cold heat poor, the problem that water boiling splashes appears easily, and the water in the cold water storage cistern needs to change often, and inconvenient operation's problem proposes following technical scheme: the device comprises a smelting furnace, wherein the top of the smelting furnace is connected with a cooling chamber used for pre-cooling discharged waste gas, and the top end of the cooling chamber is connected with a water storage tank for storing cold water. The utility model discloses can carry out precooling in advance before high temperature waste gas discharges into the cold water storage cistern to reduce the temperature of waste gas, reduce the temperature difference between waste gas and the cold water, avoid appearing the phenomenon that the water boiling splashes.

Description

Casting smelting furnace exhaust gas removing device

Technical Field

The utility model relates to a casting smelting furnace technical field especially relates to a casting smelting furnace exhaust gas removal device.

Background

The casting smelting furnace is equipment for melting metal ingots and some waste metals, adding necessary alloy components, and smelting the metal ingots and the waste metals into required alloy through operations of slagging-off, refining and the like. Casting smelting furnace can produce the waste gas that has the high temperature in the smelting process, need to carry out cooling treatment to these waste gases, generally is to drop the temperature with waste gas discharge in cold water, but the waste gas of high temperature violently gets into can produce great cold heat difference in the cold water, the problem that the water boiling splashes appears easily, and the water in the cold water storage cistern need change often, the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at some current casting smelting furnaces that mention in the background art can produce the waste gas that has a high temperature in the smelting process, need cool down the processing to these waste gases, generally with the cooling in the waste gas income cold water, but the waste gas of high temperature suddenly gets into cold water and can produce great cold and hot difference, the problem that the water boiling splashes appears easily, and the water in the cold water storage cistern needs to change often, the problem of inconvenient operation provides a casting smelting furnace exhaust gas removing device.

The technical scheme of the utility model: the utility model provides a casting smelting furnace exhaust gas removal device, includes the smelting furnace, the smelting furnace top is connected with the cooling chamber that is used for carrying out the precooling to exhaust waste gas, the top in cooling chamber is connected with the storage water tank that has cold water in storage, be provided with in the cooling chamber and be used for the blast pipe of following the indoor exhaust of cooling with waste gas, the internal connection of blast pipe has a pair of cold water pipe, the inside of smelting furnace and the top that is located the blast pipe are connected with the cold water storage pipe that can pass through cold water conveyer pipe and storage water tank intercommunication, be connected with the cold water admission pipe that can communicate with cold water storage pipe and cold water pipe simultaneously between cold water storage pipe and the cold water pipe, the bottom of cold water pipe is connected with the hot water discharge pipe, the outer wall of smelting furnace is run through to the bottom of hot water discharge pipe.

Preferably, the bottom of the exhaust pipe is communicated with the interior of the smelting furnace, and one end of the exhaust pipe penetrates through the outer wall of the cooling chamber.

Preferably, the upper part of the exhaust pipe is provided with a through hole through which cold water can penetrate.

Preferably, the bottom of the exhaust pipe is provided with a through hole through which a hot water supply discharge pipe can penetrate.

Preferably, the inside fixed cylinder that passes through connecting rod fixedly connected with in top of hot water discharge pipe, the inside fixedly connected with of fixed cylinder inlays a section of thick bamboo, it is provided with the inflation body to inlay inside the section of thick bamboo, the inside elasticity in top of fixed cylinder has cup jointed first push rod, the first baffle that hot water discharge pipe port can be plugged up to the top fixedly connected with of first push rod.

Preferably, the upper surface of the first baffle is fixedly connected with a second push rod, the top end of the second push rod is fixedly connected with a push arm, and the top end of the push arm is fixedly connected with a second baffle capable of blocking a port at the bottom of the cold water inlet pipe.

Preferably, the bottom end of the first push rod is sleeved with a return spring.

Preferably, the bottom of the first baffle is fixedly connected with a water baffle for preventing water from flowing to the fixed cylinder along the lower surface of the first baffle.

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

(1): the system can pre-cool the high-temperature waste gas before the high-temperature waste gas is discharged into the cold water tank through the cooling chamber so as to reduce the temperature of the waste gas, reduce the temperature difference between the waste gas and the cold water and avoid the phenomenon of water boiling and splashing;

(2): the indoor cold water of cooling can be changed automatically intelligently in this application, reduces artificial intervention's wasting time and energy.

Drawings

FIG. 1 is a schematic view of the construction of a casting smelting furnace exhaust gas removal unit;

FIG. 2 is a schematic structural view of the cooling chamber in FIG. 1;

fig. 3 is a sectional view of the cold water pipe of fig. 2.

Reference numerals are as follows: 1. a smelting furnace; 2. a cooling chamber; 3. an exhaust pipe; 4. a water storage tank; 5. a cold water pipe; 6. a hot water discharge pipe; 7. a cold water inlet pipe; 71. a port; 8. a cold water storage pipe; 9. a cold water delivery pipe; 10. a connecting rod; 11. a fixed cylinder; 12. embedding a cylinder; 13. an expansion body; 14. a first push rod; 15. a first baffle; 16. a second push rod; 17. a push arm; 18. a second baffle; 19. a return spring; 20. a water retaining sheet.

Detailed Description

The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-3, the utility model provides a casting smelting furnace exhaust gas remover, including smelting furnace 1, smelting furnace 1 top is connected with and is used for carrying out cooling chamber 2 of cooling down in advance to exhaust waste gas, is provided with in the cooling chamber 2 to be used for the blast pipe 3 of exhaust from cooling chamber 2 with waste gas, 3 bottoms of blast pipe and the inside intercommunication of smelting furnace 1, and the one end of blast pipe 3 runs through the outer wall of cooling chamber 2. The top of cooling chamber 2 is connected with the storage water tank 4 that has the storage cold water, the internal connection of blast pipe 3 has a pair of cold water pipe 5, the inside of smelting furnace 1 and the top that is located blast pipe 3 are connected with a cold water storage pipe 8, the upper portion of cold water storage pipe 8 is connected and communicates with cold water conveying pipe 9's bottom, cold water conveying pipe 9's top is connected and communicates with the bottom of storage water tank 4, the bottom of cold water storage pipe 8 is connected and communicates with the top of cold water admission pipe 7, the bottom of cold water admission pipe 7 is connected and communicates with the upper portion of cold water pipe 5, the bottom of cold water pipe 5 is connected and communicates with the top of hot water discharge pipe 6, the outer wall of smelting furnace 1 is run through to the bottom of hot water discharge pipe 6, opening 71 that can supply cold water admission pipe 7 to wear out is seted up on the upper portion of blast pipe 3, the through-hole that can supply hot water discharge pipe 6 to wear out is seted up to the bottom of blast pipe 3.

In this embodiment, the high temperature waste gas that produces is smelted in the smelting furnace 1 gets into in the cooling chamber 2, and discharge to outside cold water tank via blast pipe 3 and cool off, at this in-process, the cold water in the storage water tank 4 gets into in the cold water storage pipe 8 via cold water conveying pipe 9, and get into two cold water pipes 5 in proper order through four cold water admission pipes 7, high temperature waste gas contacts with the outer wall of cold water pipe 5 behind the blast pipe 3 that gets into in the cooling chamber 2, thereby carry out the heat absorption cooling of certain degree to high temperature waste gas through the cold water in the cold water pipe 5, cold water in the cold water pipe 5 is outwards discharged through hot water discharge pipe 6 after the heat absorption.

Example two

As shown in fig. 1-3, the utility model provides a casting smelting furnace exhaust gas remover, compare in embodiment one, this embodiment still includes: the inside of the top end of the hot water discharge pipe 6 is fixedly connected with a fixed cylinder 11 through a connecting rod 10, the inside of the fixed cylinder 11 is fixedly connected with an embedded cylinder 12, the inside of the embedded cylinder 12 is provided with an expansion body 13, the expansion body 13 can be made of materials with heat absorption expansion characteristics, or liquid which can generate steam through heat absorption such as water and the like is filled in the elastic coating film, and the elastic coating film can be expanded by the steam. First push rod 14 has been cup jointed to the inside activity in top of solid fixed cylinder 11, the bottom cover of first push rod 14 is equipped with reset spring 19, first baffle 15 that 6 ports of hot water discharge pipe can be plugged up to the top fixedly connected with of first push rod 14, the last fixed surface of first baffle 15 is connected with

second push rod

16, 16 top fixedly connected with of second push rod push arm 17, the second baffle 18 that 7 bottom ports of cold water admission pipe 7 can be plugged up to push arm 17 top fixedly connected with, first baffle 15 bottom fixedly connected with is used for preventing water along the water blocking piece 20 of first baffle 15 lower surface flow direction solid fixed cylinder 11.

In this embodiment, when high-temperature exhaust gas is discharged, the expansion body 13 in the hot water discharge pipe 6 expands in a high-temperature environment, so as to push the first push rod 14 upward to push the first baffle 15 upward from the port of the hot water discharge pipe 6, and water in the cold water pipe 5 absorbs heat and flows into the hot water discharge pipe 6 to be discharged into an external water tank or other devices, meanwhile, the upward-moving first baffle 15 drives the second baffle 18 to move upward through the second push rod 16 and the push arm 17, so that water flowing from the water storage tank 4 into the cold water inlet pipe 7 can flow into the cold water pipe 5 and then flow into the hot water discharge pipe 6 to be discharged, so as to realize continuous circulation of water, and the continuous circulation of cold water can quickly absorb heat in the exhaust gas; when the exhaust emission is stopped, the ambient temperature of the expansion body 13 is reduced, the expansion body 13 contracts and resets, the return spring 19 makes the first baffle 15 move downwards again to block the port of the hot water discharge pipe 6 through the elastic force, the second baffle 18 also moves downwards to block the bottom port of the cold water inlet pipe 7 at the same time, and the water flow stops accordingly.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A casting smelting furnace exhaust gas removal device comprises a smelting furnace (1), and is characterized in that: the smelting furnace is characterized in that the top of the smelting furnace (1) is connected with a cooling chamber (2) used for pre-cooling discharged waste gas, the top end of the cooling chamber (2) is connected with a water storage tank (4) storing cold water, exhaust pipes (3) used for discharging the waste gas from the cooling chamber (2) are arranged in the cooling chamber (2), the exhaust pipes (3) are connected with a pair of cold water pipes (5), the interior of the smelting furnace (1) and the upper portion of the exhaust pipes (3) are connected with cold water storage pipes (8) capable of being communicated with the water storage tank (4) through cold water conveying pipes (9), cold water inlet pipes (7) capable of being communicated with the cold water storage pipes (8) and the cold water pipes (5) simultaneously are connected between the cold water storage pipes (8) and the cold water pipes (5), the bottom of the cold water pipes (5) is connected with hot water discharge pipes (6), and the bottom end of the hot water discharge pipes (6) penetrates through the outer wall of the smelting furnace (1).

2. A casting smelting furnace off-gas removal apparatus according to claim 1, characterized in that the bottom of the exhaust pipe (3) communicates with the interior of the smelting furnace (1), and that one end of the exhaust pipe (3) penetrates the outer wall of the cooling chamber (2).

3. The exhaust gas remover of a casting and smelting furnace according to claim 1, characterized by the vent pipe (3) having a through opening (71) in the upper part through which the cold water inlet pipe (7) can pass.

4. The exhaust gas remover of a casting smelting furnace according to claim 1, characterized by the bottom of the exhaust pipe (3) being provided with a through hole through which a hot water supply discharge pipe (6) can pass.

5. The exhaust gas removing device of the casting smelting furnace according to claim 1, wherein a fixed cylinder (11) is fixedly connected to the inside of the top end of the hot water discharging pipe (6) through a connecting rod (10), an embedded cylinder (12) is fixedly connected to the inside of the fixed cylinder (11), an expansion body (13) is arranged inside the embedded cylinder (12), a first push rod (14) is elastically sleeved to the inside of the top end of the fixed cylinder (11), and a first baffle (15) capable of blocking the port of the hot water discharging pipe (6) is fixedly connected to the top end of the first push rod (14).

6. The exhaust gas removing device of a casting and smelting furnace according to claim 5, characterized in that a second push rod (16) is fixedly connected to the upper surface of the first baffle (15), a push arm (17) is fixedly connected to the top end of the second push rod (16), and a second baffle (18) capable of blocking the bottom port of the cold water inlet pipe (7) is fixedly connected to the top end of the push arm (17).

7. A casting and smelting furnace exhaust gas removal arrangement according to claim 5, characterized by the bottom end of the first push rod (14) being sleeved with a return spring (19).

8. A casting smelting furnace exhaust gas removal device according to claim 5, characterized by water baffles (20) fixed to the bottom of the first baffle (15) for preventing water from flowing along the lower surface of the first baffle (15) to the stationary barrel (11).