CN210268265U

CN210268265U - Waste heat recycling device of smelting furnace

Info

Publication number: CN210268265U
Application number: CN201921288940.XU
Authority: CN
Inventors: 李印; 陈新顺; 张美玉
Original assignee: Shandong Greenism Environmental Protection Technology Co ltd
Current assignee: Shandong Greenism Environmental Protection Technology Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-07
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to the technical field of smelting furnaces, in particular to a waste heat recycling device of a smelting furnace, which comprises a base, an induced draft fan, a smelting furnace flue gas exhaust pipeline, a device main body and a waste gas purifying box, wherein the induced draft fan, the device main body and the waste gas purifying box are sequentially installed at the top of the base from left to right, the smelting furnace flue gas exhaust pipeline is installed at the left side of the induced draft fan, a high-temperature flue gas intake hopper is arranged at the left side of the device main body, the left side of the high-temperature flue gas intake hopper is connected to the right side of the induced draft fan through a first connecting pipe, a low-temperature flue gas exhaust hopper is arranged at the right side of the device main body, an access door is installed at the back of the device main body, a water inlet pipe is installed at the right side, and the stability and the practicability are higher, and certain popularization value is realized.

Description

Waste heat recycling device of smelting furnace

Technical Field

The utility model relates to a smelting furnace technical field specifically is a waste heat recovery utilizes device of smelting furnace.

Background

Smelting furnace mainly used precious metal like gold, platinum, silver, copper, indisputable, stainless steel, aluminum alloy, other metals such as aluminium smelt and carry the temperature, can produce high temperature waste gas in the use of smelting furnace, high temperature waste gas directly discharges the waste that can cause the pollution of environment and resource, consequently needs the waste heat recovery of a smelting furnace to utilize the device to make improvement to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste heat recovery of smelting furnace utilizes device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a waste heat recycling device of a smelting furnace comprises a base, an induced draft fan, a smelting furnace flue gas exhaust pipeline, a device main body and a waste gas purification box, wherein the induced draft fan, the device main body and the waste gas purification box are sequentially installed at the top of the base from left to right, the smelting furnace flue gas exhaust pipeline is installed at the left side of the induced draft fan, a high-temperature flue gas inlet hopper is arranged at the left side of the device main body, the left side of the high-temperature flue gas inlet hopper is connected to the right side of the induced draft fan through a first connecting pipe, a low-temperature flue gas outlet hopper is arranged at the right side of the device main body, an access door is installed at the back of the device main body, a water inlet pipe is installed at the right side of the top of the device main body, a water outlet pipe is installed at the left side of a base surface of the device, the chamber door is installed to waste gas purification case's base face, the lock is installed in the left side on the base face of chamber door, waste gas purification case's inside is installed from a left side to the right side in proper order and is installed filter and main filter and gaseous adsorption plate in advance, the upper and lower both ends of filter and main filter and gaseous adsorption plate in advance all are installed in waste gas purification case's inner wall through the installation cassette holder, the blast pipe is installed on waste gas purification case's top right side.

Preferably, the other end of the flue gas exhaust pipeline of the smelting furnace is connected with the smelting furnace.

Preferably, the access door and one side of the door are fixedly installed through hinges, and a handle is installed on one side of a base surface of the access door.

Preferably, the center of the pre-filtering plate is provided with F7 grade smoke filtering cotton.

Preferably, the center of the main filter plate is provided with an HEPA high-efficiency filter element.

Preferably, the center of the gas adsorption plate is provided with a molecular sieve, activated carbon and an oxidant.

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

1. the utility model discloses in, draught fan and device main part through setting up, through the draught fan by smelting furnace flue gas exhaust pipeline with smelting furnace high temperature flue gas drainage to the device main part in, the inlet tube at device main part top is through the waste heat that inside S bent pipe connection outlet pipe lasts water supply recovery high temperature flue gas, it becomes hot water recycle to get into cold water heat transfer, the back can conveniently be opened to the access door simultaneously, regular water S bent pipe overhauls or the outside of tubes scale removal, guarantee the high efficiency to smelting furnace high temperature waste heat transfer recycle effect, simple structure and facilitate the use.

2. The utility model discloses in, low temperature flue gas after utilizing the heat transfer through the center department that the waste gas purification case that sets up is connected low temperature flue gas air-out fill by the second connecting pipe and is equipped with F7 smoke and dust filter cotton in the pre-filter board adsorption air current relatively big particle avoids the early jam of main filter board, protection main filter board, rethread center department is equipped with the main filter board of HEPA high efficiency filter core, be 99.99% by HEPA high efficiency filter core to the filtration efficiency of 0.3 micron particle, effectively filter the smoke and dust, be equipped with the molecular sieve through center department at last, the gas adsorption board of active carbon and oxidant can be discharged by the blast pipe after the harmful gas in the effectual removal air current, moreover, the steam generator is simple in structure and reaches the effect of purifying waste gas environmental protection emission.

3. The utility model discloses in, through the installation cassette installation of setting filter and main filter and gaseous adsorption plate in advance, be convenient for open the case door back through the lock, take out filter and main filter and gaseous adsorption plate in advance by installation cassette is inside to clean the change processing, guarantee the effect of filtration purification, simple structure and make things convenient for the dismouting.

Drawings

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

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is a schematic view of the overlooking structure of the water inlet pipe and the S-shaped bent pipe of the present invention.

In the figure: 1-base, 2-draught fan, 3-smelting furnace flue gas exhaust pipeline, 4-first connecting pipe, 5-device body, 501-high temperature flue gas intake hopper, 502-low temperature flue gas exhaust hopper, 503-access door, 6-water inlet pipe, 7-S bent pipeline, 8-water outlet pipe, 9-second connecting pipe, 10-waste gas purification box, 11-box door, 12-door lock, 13-pre-filter plate, 14-main filter plate, 15-gas adsorption plate, 16-installation clamping seat, 17-exhaust pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, the present invention provides a technical solution: a waste heat recycling device of a smelting furnace comprises a base 1, an induced draft fan 2, a smelting furnace flue gas exhaust pipeline 3, a device main body 5 and a waste gas purification box 10, wherein the induced draft fan 2, the device main body 5 and the waste gas purification box 10 are sequentially installed on the top of the base 1 from left to right, the smelting furnace flue gas exhaust pipeline 3 is installed on the left side of the induced draft fan 2, the other end of the smelting furnace flue gas exhaust pipeline 3 is connected to the smelting furnace, a high-temperature flue gas inlet hopper 501 is arranged on the left side of the device main body 5, the left side of the high-temperature flue gas inlet hopper 501 is connected to the right side of the induced draft fan 2 through a first connecting pipe 4, a low-temperature flue gas outlet hopper 502 is arranged on the right side of the device main body 5, an access door 503 is installed on the back of the device main body 5, the access door 503, a water outlet pipe 8 is arranged on the left side of the base surface of the device main body 5, an S-shaped pipeline 7 is arranged between the water outlet pipe 8 and the water inlet pipe 6 and positioned in the device main body 5, the induced draft fan 2 and the device main body 5 are arranged, high-temperature flue gas of the smelting furnace is guided into the device main body 5 through the flue gas exhaust pipeline 3 of the smelting furnace through the induced draft fan 2, the water inlet pipe 6 at the top of the device main body 5 is connected with the water outlet pipe 8 through the S-shaped pipeline 7 to continuously supply water and recover the waste heat of the high-temperature flue gas, the cold water entering is subjected to heat exchange to form hot water for recycling, meanwhile, after the access door 503 can be conveniently opened, the S-shaped pipeline 7 is periodically overhauled or descaled outside the pipe, the high-efficiency high-temperature waste heat exchange and recycling effect of the smelting furnace is ensured, the left side of the base surface of the box door 11 is provided with a door lock 12, the inside of the waste gas purifying box 10 is sequentially provided with a pre-filtering plate 13, a main filtering plate 14 and a gas adsorption plate 15 from left to right, the center of the pre-filtering plate 13 is provided with F7 grade smoke dust filter cotton, the center of the main filtering plate 14 is provided with an HEPA high-efficiency filter core, the center of the gas adsorption plate 15 is provided with a molecular sieve, active carbon and an oxidant, the upper and lower ends of the pre-filtering plate 13, the main filtering plate 14 and the gas adsorption plate 15 are both arranged on the inner wall of the waste gas purifying box 10 through an installation clamping seat 16, the pre-filtering plate 13, the main filtering plate 14 and the gas adsorption plate 15 which are arranged through the installation clamping seat 16 are convenient to draw out the pre-filtering plate 13, the main filtering plate 14 and the gas adsorption plate 15 for cleaning and replacing treatment after the box door 11 is opened, the exhaust pipe 17 is installed on the right side of the top of the exhaust gas purification box 10, the exhaust gas purification box 10 is connected with the low-temperature flue gas air outlet hopper 502 through the second connecting pipe 9, the low-temperature flue gas after heat exchange utilization passes through the main filter plate 14 with the F7 smoke filter cotton arranged at the center inside the exhaust gas purification box 10 to adsorb larger particles in the air flow to avoid the early blockage of the main filter plate 14, the main filter plate 14 is protected, the main filter plate 14 with the HEPA high-efficiency filter core arranged at the center is passed, the filtering efficiency of 0.3 micron particles by the HEPA high-efficiency filter core is 99.99 percent, the smoke is effectively filtered, and finally harmful gas in the air flow can be effectively removed through the gas adsorption plate 15 with the molecular sieve, the active carbon and the oxidant arranged at the center and then is discharged through the exhaust pipe 19, the structure is simple, the effect of purifying the exhaust gas and environmental protection emission is achieved, the whole, meanwhile, the device achieves the effects of purifying waste gas and discharging in an environment-friendly manner, has higher stability and practicability and has certain popularization value.

The utility model discloses work flow: when in use, the high-temperature flue gas of the smelting furnace is guided into the device main body 5 through the flue gas exhaust pipeline 1 of the smelting furnace by the induced draft fan 2, the water inlet pipe 6 at the top of the device main body 5 is connected with the water outlet pipe 8 through the internal S-bend pipeline 7 to continuously supply water and recover the waste heat of the high-temperature flue gas, the cold water entering is subjected to heat exchange to form hot water for recycling, meanwhile, the access door 503 can be conveniently opened, the regular water S-bend pipeline 7 is used for maintenance or descaling outside the pipe to ensure the heat exchange utilization effect, the waste gas purification box 10 is connected with the low-temperature flue gas air outlet hopper 502 through the second connecting pipe 9, the low-temperature flue gas after heat exchange and utilization is adsorbed by the pre-filtering plate 13 provided with F7 smoke dust filtering cotton at the center inside to avoid the early blockage of the main filtering plate 14, the main filtering plate 14 is protected, and the main filtering plate 14 provided with the HEPA high-efficiency filtering core at, effective filtration smoke and dust, be equipped with the molecular sieve through center department at last, discharge by blast pipe 17 behind the harmful gas in the gaseous adsorption plate 15 ability effectual gets rid of the air current of active carbon and oxidant, prefilter 13 and main filter 14 and gaseous adsorption plate 15 through the installation cassette 16 installation, be convenient for open the chamber door 11 back through lock 12, take prefilter 13 and main filter 14 and gaseous adsorption plate 15 out by installation cassette 16 is inside to clean the change processing, guarantee filtration purification's effect, the integrated device simple structure, guarantee high-efficient to the smelting furnace high temperature waste heat transfer recycle, reach the effect of purifying waste gas environmental protection emission simultaneously, and stability and practicality are higher, certain spreading value has.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waste heat recovery utilizes device of smelting furnace, includes base (1), draught fan (2), smelting furnace flue gas exhaust pipe (3) and device main part (5) and exhaust purification case (10), its characterized in that: draught fan (2), device body (5) and exhaust gas purification box (10) are installed from a left side to the right side in proper order to the top of base (1), smelting furnace flue gas exhaust pipe (3) is installed in the left side of draught fan (2), the left side of device body (5) is equipped with high temperature flue gas air inlet fill (501), the left side of high temperature flue gas air inlet fill (501) is connected in the right side of draught fan (2) through first connecting pipe (4), the right side of device body (5) is equipped with low temperature flue gas air outlet fill (502), the back mounted of device body (5) has access door (503), inlet tube (6) is installed on the top right side of device body (5), outlet pipe (8) is installed in the left side of device body (5), the internally mounted that lies in device body (5) between base face (8) and inlet tube (6) has S curved pipeline (7), the left side of exhaust-gas purification case (10) is taken over (9) through the second and is connected in the left side of low temperature flue gas air-out fill (502), chamber door (11) are installed to the base face of exhaust-gas purification case (10), door lock (12) are installed on the left side on the base face of chamber door (11), filter (13) and main filter (14) and gas adsorption plate (15) are installed in proper order to the right side from a left side to the inside of exhaust-gas purification case (10), the upper and lower both ends of filter (13) and main filter (14) and gas adsorption plate (15) are all installed in the inner wall of exhaust-gas purification case (10) through installation cassette (16) in advance, blast pipe (17) are installed on the top right side of exhaust-gas purification case (10).

2. The waste heat recovery device of the smelting furnace according to claim 1, characterized in that: the other end of the smelting furnace flue gas exhaust pipeline (3) is connected with the smelting furnace.

3. The waste heat recovery device of the smelting furnace according to claim 1, characterized in that: the access door (503) and one side of the box door (11) are fixedly installed through hinges, and a handle is installed on one side of a base surface of the access door (503).

4. The waste heat recovery device of the smelting furnace according to claim 1, characterized in that: f7-grade smoke dust filter cotton is arranged at the center of the pre-filter plate (13).

5. The waste heat recovery device of the smelting furnace according to claim 1, characterized in that: the center of the main filter plate (14) is provided with an HEPA high-efficiency filter element.

6. The waste heat recovery device of the smelting furnace according to claim 1, characterized in that: the center of the gas adsorption plate (15) is provided with a molecular sieve, activated carbon and an oxidant.