CN210292884U

CN210292884U - Quenching oil recovery furnace flue gas recovery unit

Info

Publication number: CN210292884U
Application number: CN201921302595.0U
Authority: CN
Inventors: 陆国友
Original assignee: Shangkeshi Industrial Medium Yancheng Co ltd
Current assignee: Shangkeshi Industrial Medium Yancheng Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-04-10
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a quenching oil recovery furnace flue gas recovery unit, including retrieving the stove, retrieving to be provided with the blast pipe on the stove, installing the exhaust fan on the blast pipe, the blast pipe is provided with flange in retrieving the stove outside, and the blast pipe is linked together through flange and air duct, all be provided with the go-between on air duct and the blast pipe tip inner wall, the go-between is connected with the collar interlock, the collar sets up on the filter screen. The utility model discloses a be provided with exhaust fan and blast pipe through the slope symmetry and collect the inside flue gas of recovery furnace fast, adopt the mode of dismantling the connection at the tip of blast pipe and air duct to install the filter screen simultaneously, the filter screen filters the particulate matter in the gas, the inside mode through pouring into the condensate into of condenser box cools off the gas of condenser pipe circulation, the liquefied quenching oil is concentrated through falling oil pipe and is collected inside the oil storage chamber, the energy saving, the water tank filters gas once more, reduce the pollution of flue gas.

Description

Quenching oil recovery furnace flue gas recovery unit

Technical Field

The utility model relates to a quenching oil recovery furnace flue gas recovery unit especially relates to a quenching oil recovery furnace flue gas recovery unit.

Background

The quenching oil is process oil, is used as a quenching medium, has insufficient cooling capacity within the range of 550-650 ℃, has an average cooling speed of only 60-100 ℃/s, and has a slow cooling speed within the range of 200-300 ℃, which is very suitable for quenching.

After a workpiece is quenched by quenching oil, a large amount of quenching oil is left on the surface of the workpiece, and during tempering, the temperature inside the tempering furnace cannot reach the combustion temperature of the quenching oil, so that the quenching oil is vaporized in a hearth due to heating, a large amount of smoke is generated, the smoke is directly discharged, the body of a worker can be damaged for a long time, air pollution is caused, and the vaporized quenching oil causes waste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quenching oil recovery furnace flue gas recovery unit to solve the problem that proposes among the above-mentioned background art.

The utility model aims at realizing through the following technical scheme: a quenching oil recovery furnace flue gas recovery device comprises a recovery furnace, wherein an exhaust pipe is arranged on the recovery furnace, an exhaust fan is arranged on the exhaust pipe, a connecting flange is arranged on the outer side of the recovery furnace, the exhaust pipe is communicated with an air guide pipe through the connecting flange, connecting rings are arranged on the inner walls of the end part of the air guide pipe and the end part of the exhaust pipe, the connecting rings are meshed with the mounting rings, the mounting rings are arranged on a filter screen, the other end of the air guide pipe is communicated with a plurality of condensation pipes, the lower parts of the condensation pipes are distributed in parallel in a condensation box, the other ends of the condensation pipes penetrate through the outer wall of the condensation box and are inserted into a water tank, a liquid storage chamber is arranged on the lower part of the condensation box, communicated oil dropping pipes are arranged between the two adjacent condensation pipes, the condensation pipe positioned at the bottom of the condensation box is communicated, the air return pipe is provided with an air pump, and the bottom of the liquid storage chamber is provided with a liquid discharge pipe.

Furthermore, the exhaust pipes are arranged in the recovery furnace in a downward inclined mode and are symmetrically distributed on the recovery furnace.

Furthermore, the air duct, the exhaust pipe and the filter screen form a detachable connection structure through a connection ring and a mounting ring.

Furthermore, the number of the condensation pipes is 4-8, the condensation pipes are distributed in the condensation box in a layered mode, and the condensation pipes are of a wave-shaped structure in the condensation box.

Furthermore, the bottom of the liquid storage chamber is obliquely arranged towards one side of the liquid discharge pipe, and the joint of the liquid discharge pipe and the liquid storage chamber is of a sealing structure.

Compared with the prior art, the beneficial effects of the utility model, the utility model discloses a be provided with exhaust fan and blast pipe through the slope symmetry and collect the inside flue gas of recovery furnace fast, adopt the mode of dismantling the connection at the tip of blast pipe and air duct to install the filter screen simultaneously, the filter screen filters the particulate matter in the gas, the inside gas through the mode of pouring into the condensate of condenser pipe circulation of condenser box cools off, liquefied quenching oil is concentrated through falling oil pipe and is collected inside the oil storage chamber, and energy is saved, the water tank filters gas once more, reduce the pollution of flue gas.

Drawings

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

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point B of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the connection between the condensation pipe and the gas-guide pipe of the present invention.

In the figure: 1. the device comprises a recovery furnace, 2, an exhaust pipe, 3, an exhaust fan, 4, a connecting flange, 5, an air duct, 6, a connecting ring, 7, a mounting ring, 8, a filter screen, 9, a condenser pipe, 10, a condenser box, 11, a water tank, 12, a liquid storage chamber, 13, a falling oil pipe, 14, an air return pipe, 15, an air pump, 16 and a liquid discharge pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

As shown in figures 1-4, the utility model discloses a quenching oil recovery furnace flue gas recovery device, which comprises a recovery furnace 1, an exhaust pipe 2, an exhaust fan 3, a connecting flange 4, an air duct 5, a connecting ring 6, a mounting ring 7, a filter screen 8, a condenser pipe 9, a condenser box 10, a water tank 11, a liquid storage chamber 12, an oil dropping pipe 13, a return pipe 14, an air pump 15 and a liquid discharge pipe 16, wherein the recovery furnace 1 is provided with the exhaust pipe 2, the exhaust pipe 2 is provided with the exhaust fan 3, the exhaust pipe 2 is arranged in the recovery furnace 1 in a downward inclination manner, the exhaust pipe 2 is symmetrically distributed on the recovery furnace 1, the exhaust pipe 2 can rapidly collect flue gas in the recovery furnace 1, the environmental pollution and the harm to workers caused by the flue gas are reduced, the exhaust pipe 2 is provided with the connecting flange 4 outside the recovery furnace 1, the exhaust pipe 2 is communicated with the air duct 5 through, the gas guide pipe 5, the exhaust pipe 2 and the filter screen 8 form a disassembly connection structure through a connection ring 6 and a mounting ring 7, the gas guide pipe 5 and the exhaust pipe 2 are installed through a connection flange 4, meanwhile, the filter screen 8 can rapidly filter particles in smoke, and meanwhile, the filter screen 8 is convenient to replace and clean, the connection ring 6 is arranged on the inner walls of the end portions of the gas guide pipe 5 and the exhaust pipe 2, the connection ring 6 is connected with the mounting ring 7 in an occlusion manner, the mounting ring 7 is arranged on the filter screen 8, the other end of the gas guide pipe 5 is communicated with a plurality of condensing pipes 9, the number of the condensing pipes 9 is 4-8, the condensing pipes 9 are distributed in a layered manner in the condensing box 10, the condensing pipes 9 are of a wave-shaped structure in the condensing box 10, the plurality of condensing pipes 9 are adopted to shunt smoke in the gas guide pipe 5, the quenching oil in the smoke is better liquefied, the energy utilization rate is improved, the lower parts of a plurality of condensation pipes 9 are distributed in parallel in a condensation box 10, the interior of the condensation box 10 is cooled and liquefied by injecting condensate into the condensation pipe 9, the other ends of the plurality of condensation pipes 9 penetrate through the outer wall of the condensation box 10 and are inserted into a water tank 11, a liquid storage chamber 12 is arranged at the lower part of the condensation box 10, the bottom of the liquid storage chamber 12 is obliquely arranged towards one side of a liquid discharge pipe 16, the joint of the liquid discharge pipe 16 and the liquid storage chamber 12 is of a sealing structure, liquid in the liquid storage chamber 12 can flow to one end of the liquid discharge pipe 16 under the action of gravity, the liquid discharge pipe 16 is used for rapid collection, an oil dropping pipe 13 communicated with each other is arranged between two adjacent condensation pipes 9, the condensation pipe 9 positioned at the bottom of the condensation box 10 is communicated with the liquid storage chamber 12 through the oil dropping pipe 13, a gas return pipe 14, a drain 16 is provided at the bottom of the reservoir 12.

Theory of operation, through opening exhaust fan 3, collect through blast pipe 2 with the inside flue gas of recovery furnace 1, filter screen 8 in blast pipe 2 and the air duct 5 filters the particulate matter in the flue gas, the flue gas removes through condenser 9 simultaneously, when the flue gas removes to condenser 9 lower part, the flue gas in condenser 9 is liquefied through the mode of pouring into the condensate into to condenser 10 inside, because condenser 9 is the wave type structure at condenser 10 part, the quenching oil after the liquefaction is piled up at condenser 9 the minimum, flow through oil pipe 13 again, enter into liquid reserve tank 12 inside at last and concentrate the collection, water tank 11 purifies the flue gas, reduce smoke pollution, the inside gaseous accessible muffler 14 of liquid reserve tank 12 and air pump 15 carry to 2 insides of blast pipe once more and carry out the liquefaction collection simultaneously.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a quenching oil recovery furnace flue gas recovery unit, includes recovery furnace (1), its characterized in that: the recovery furnace is characterized in that an exhaust pipe (2) is arranged on the recovery furnace (1), an exhaust fan (3) is arranged on the exhaust pipe (2), a connecting flange (4) is arranged on the outer side of the recovery furnace (1) of the exhaust pipe (2), the exhaust pipe (2) is communicated with an air duct (5) through the connecting flange (4), the air duct (5) and the inner wall of the end part of the exhaust pipe (2) are respectively provided with a connecting ring (6), the connecting ring (6) is connected with a mounting ring (7) in an occluded manner, the mounting ring (7) is arranged on a filter screen (8), the other end of the air duct (5) is communicated with a plurality of condensation pipes (9), the lower parts of the condensation pipes (9) are distributed in parallel in the condensation tank (10), the other ends of the condensation pipes (9) penetrate through the outer wall of the condensation tank (10) and are inserted into a water tank (11), two adjacent be provided with oil pipe (13) that fall that are linked together between condenser pipe (9), condenser pipe (9) that are located condenser box (10) bottom are linked together through oil pipe (13) and stock solution room (12), be provided with muffler (14) that are linked together between stock solution room (12) and blast pipe (2), install air pump (15) on muffler (14), stock solution room (12) bottom is provided with fluid-discharge tube (16).

2. The quenching oil recovery furnace flue gas recovery device of claim 1, wherein: the exhaust pipes (2) are arranged in the recovery furnace (1) in a downward inclined mode, and the exhaust pipes (2) are symmetrically distributed on the recovery furnace (1).

3. The quenching oil recovery furnace flue gas recovery device of claim 1, wherein: the air duct (5), the exhaust pipe (2) and the filter screen (8) form a disassembly and connection structure through a connection ring (6) and a mounting ring (7).

4. The quenching oil recovery furnace flue gas recovery device of claim 1, wherein: the number of the condensation pipes (9) is 4-8, the condensation pipes (9) are distributed in the condensation box (10) in a layered mode, and the condensation pipes (9) are of a wave-shaped structure in the condensation box (10).

5. The quenching oil recovery furnace flue gas recovery device of claim 1, wherein: the bottom of the liquid storage chamber (12) is obliquely arranged towards one side of the liquid discharge pipe (16), and the joint of the liquid discharge pipe (16) and the liquid storage chamber (12) is of a sealing structure.