CN212175002U

CN212175002U - Energy-conserving tempering furnace that possesses flue gas processing function

Info

Publication number: CN212175002U
Application number: CN202020789679.8U
Authority: CN
Inventors: 王勇; 胡苏�; 彭建瑜
Original assignee: Chongqing Xinxing Tongyong Drivetrain Co ltd
Current assignee: Chongqing Xinxing Tongyong Drivetrain Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-18
Anticipated expiration: 2030-05-13

Abstract

The utility model belongs to the technical field of tempering furnaces, in particular to an energy-saving tempering furnace with a flue gas treatment function, which comprises a furnace body, a support frame fixed at the top of the furnace body, a circulating water tank, a spraying box and a drying box, wherein the circulating water tank, the spraying box and the drying box are respectively arranged at the top of the support frame; the utility model discloses the convenience is desulfurized and dust fall is handled to the flue gas, and what main consumption is low-priced lime, and the working costs is low, and doctor solution cyclic utilization can not produce water pollution's problem, is applicable to the desulfurization treatment of various tempering furnace flue gases, and the treatment effect is good, is fit for promoting.

Description

Energy-conserving tempering furnace that possesses flue gas processing function

Technical Field

The utility model relates to a tempering furnace technical field especially relates to an energy-conserving tempering furnace that possesses flue gas processing capability.

Background

The tempering furnace is used for tempering common metal parts in air and quenching, annealing and aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons, aluminum plates and the like. The shell is formed by welding a steel plate and a section steel, the trolley is welded by the section steel and the steel plate, the trolley reduces heat radiation and convection loss through soft contact with a furnace lining and a sand sealing mechanism, and the sealing performance of the furnace body is effectively guaranteed.

Present tempering furnace produces a large amount of flue gases when using, does not have flue gas processing apparatus on the present tempering furnace, and the flue gas is discharged in the air, causes the pollution of environment, and the tempering furnace is handling the flue gas, need be with the help of external equipment, and the working costs is high, and the product after the desulfurization causes secondary pollution easily, can't be along with doctor solution recycling, has further increased use cost, can't satisfy the user demand.

In order to solve the problems, the application provides an energy-saving tempering furnace with a smoke treatment function.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides an energy-conserving tempering furnace that possesses flue gas processing function has the problem that can not produce water pollution, is applicable to the desulfurization treatment of various tempering furnace flue gas, and the treatment effect is good, is fit for the characteristics of popularization.

(II) technical scheme

In order to solve the problems, the utility model provides an energy-saving tempering furnace with a smoke treatment function, which comprises a furnace body, a supporting frame fixed on the top of the furnace body, a circulating water tank, a spraying tank and a drying tank which are respectively arranged on the top of the supporting frame, a first fan is assembled on the left side of the top of the support frame, two ends of the first fan are respectively connected with a recovery pipe and a delivery pipe, the right end of the conveying pipe is fixed on the inner wall of the spraying box, the spraying mechanism and the dust removing net are respectively arranged inside the spraying box, a discharge pipe is fixed at the bottom of the circulating water tank, the lower end of the discharge pipe extends to the inside of the drying box, the two sides of the inner wall of the drying box are both provided with filter screens through locking bolts, the left side of the inner top wall of the drying box is fixed with a gas nozzle, and a heat recovery assembly is connected between the gas nozzle and the spray box, and a first liquid outlet pipe is fixed on the inner wall of the drying box.

Preferably, the welding has the runner pipe that the slope set up between circulating water tank's the bottom and the lateral wall that sprays the case, and the cooperation is installed first liquid valve on the runner pipe, sprays the mechanism and includes atomising head, circulating pipe, circulating pump and second drain pipe, and the top of atomising head is assembled mutually with the interior top wall that sprays the case, the end of intaking of atomising head is connected with circulating pipe's play water end.

Preferably, circulating pipe's the end of intaking is fixed mutually with the roof of circulating pump, and the circulating pump passes through the mount pad and installs with circulation tank's outer wall cooperation, the left side wall of circulating pump and the one end fixed connection of second drain pipe, the other end of second drain pipe and circulation tank's right side wall are fixed mutually, the top of first drain pipe is connected with the lateral wall cooperation of second drain pipe, and the upper end of first drain pipe is equipped with the second liquid valve.

Preferably, the heat recovery subassembly includes the second fan, is fixed in the intake pipe and the outlet duct at second fan both ends respectively, and the bottom of intake pipe is connected with the roof that sprays the case, the lower extreme of outlet duct extends to the inside of drying cabinet to link to each other with the inlet end of gas shower nozzle.

Preferably, the top wall both sides of circulation tank are equipped with filler pipe and filling tube respectively in the cooperation, are provided with the stirring subassembly under the filler pipe.

Preferably, an exhaust pipe is fixed on the left side wall of the drying box, and a gas valve is installed on the exhaust pipe in a matched mode.

Preferably, the lower end of the recovery pipe is connected with the air outlet of the furnace body through a flange.

The above technical scheme of the utility model has following profitable technological effect: the first fan, the recovery pipe and the conveying pipe are arranged to facilitate the recovery of flue gas in the tempering furnace, the spray box, the spray head, the circulating pump, the circulating water pipe, the second liquid outlet pipe and the circulating water tank are matched to facilitate the desulfurization and dust fall treatment of the flue gas, the main consumption is cheap lime, the operation cost is low, the desulfurization solution is recycled, the problem of water pollution is avoided, meanwhile, the drying box and the filter screen are arranged to facilitate the filtration of calcium sulfite, the second fan, the air inlet pipe, the air outlet pipe and the gas nozzle are matched to facilitate the recovery of heat in the spray box, the recovered heat can be used for drying the calcium sulfite, the full utilization of the heat is realized, the energy is saved, the drying of the calcium sulfite is facilitated, the later-stage storage and use are facilitated, the waste of resources is avoided, and the device is suitable for the desulfurization treatment of the flue gas of various tempering furnaces, the treatment effect is good, and the method is suitable for popularization.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of a portion B of FIG. 1;

fig. 4 is a partially enlarged schematic view of a portion C in fig. 1.

In the figure: 1 furnace body, 2 first fans, 3 circulation water tank, 4 spray boxes, 5 drying cabinets, 6 conveying pipes, 7 recovery pipes, 8 spray heads, 9 circulation water pipes, 10 circulation pumps, 11 second liquid outlet pipes, 12 first liquid outlet pipes, 13 gas outlet pipes, 14 gas nozzles, 15 filter screens, 16 exhaust pipes, 17 dust removal nets, 18 second fans, 19 gas inlet pipes, 20 feed pipes, 21 discharge pipes and 22 stirring components.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the energy-saving tempering furnace with flue gas treatment function provided by the utility model comprises a furnace body 1, a support frame 101 fixed on the top of the furnace body 1, a circulating water tank 3, a spraying tank 4 and a drying tank 5 which are respectively arranged on the top of the support frame 101, wherein the left side of the top of the support frame 101 is provided with a first fan 2, two ends of the first fan 2 are respectively connected with a recovery pipe 7 and a delivery pipe 6, the right end of the delivery pipe 6 is fixed on the inner wall of the spraying tank 4, the inside of the spraying tank 4 is respectively provided with a spraying mechanism and a dust removal net 17, the bottom of the circulating water tank 3 is fixed with a discharge pipe 21, the lower end of the discharge pipe 21 extends to the inside of the drying tank 5, both sides of the inner wall of the drying tank 5 are respectively provided with a filter screen 15 through locking bolts, the left side of the inner top wall of the drying tank 5 is, a first liquid outlet pipe 12 is fixed on the inner wall of the drying box 5.

In this embodiment, it should be noted that a circulation pipe obliquely arranged is welded between the bottom of the circulation water tank 3 and the side wall of the spray tank 4, a first liquid valve is installed on the circulation pipe in a matching manner, the spray mechanism includes a spray head 8, a circulation water pipe 9, a circulation pump 10 and a second liquid outlet pipe 11, the top of the spray head 8 is assembled with the inner top wall of the spray tank 4, and the water inlet end of the spray head 8 is connected with the water outlet end of the circulation water pipe 9.

As shown in fig. 1, it should be further noted that the circulation pipe is inclined toward the circulation water tank 3, a stopper rod is disposed at a middle position of a top wall of the circulation water tank 3, a pipe hole is disposed at an upper end of the stopper rod, two ends of the circulation water pipe 9 penetrate through the outside of the pipe hole, and the stopper rod supports the circulation water pipe 9.

In this embodiment, it should be explained that the end of intaking of circulating pipe 9 is fixed mutually with circulating pump 10's roof, and circulating pump 10 passes through the outer wall cooperation installation of mount pad and circulation tank 3, the left side wall of circulating pump 10 and the one end fixed connection of second drain pipe 11, the other end of second drain pipe 11 is fixed with circulation tank 3's right side wall, the top of first drain pipe 12 is connected with the lateral wall cooperation of second drain pipe 11, and the upper end of first drain pipe 12 is equipped with the second liquid valve.

As shown in fig. 1, it should be further noted that first liquid outlet pipe 12 is located at the right side of the lower end of drying oven 5, and first liquid outlet pipe 12 and exhaust pipe 16 are arranged in parallel.

In this embodiment, it should be noted that the heat recovery assembly includes a second fan 18, and an air inlet pipe 19 and an air outlet pipe 13 that are fixed to two ends of the second fan 18, respectively, a bottom end of the air inlet pipe 19 is connected to a top wall of the spray box 4, and a lower end of the air outlet pipe 13 extends to the inside of the drying box 5 and is connected to an air inlet end of the air nozzle 14.

As shown in fig. 1 and 4, it should be further described that an annular dust screen is installed on the inner wall of the air inlet pipe 19 in a matching manner, the lower end of the circulating water tank 3 is in a funnel-shaped structure, the discharge pipe 21 is located above the filter screen 15, a flow control valve is installed on the discharge pipe 21 in a matching manner, the gas nozzle 14 is arranged in an inclined manner towards the filter screen 15, and the air outlet pipe 13 is made of a heat insulating material.

In this embodiment, it should be noted that a water feeding pipe and a feeding pipe 20 are respectively installed on two sides of the top wall of the circulation water tank 3 in a matching manner, and a stirring assembly 22 is arranged right below the water feeding pipe.

As shown in fig. 1, it should be further noted that the stirring assembly 22 includes a rotating shaft, a mounting plate and a plurality of stirring blades, two ends of the rotating shaft are respectively fixed to two sides of the inner wall of the circulating water tank 3, the mounting plate is rotatably connected to the outside of the rotating shaft, and the plurality of stirring blades are all assembled with the outer wall of the mounting plate at equal circumferential distances.

In this embodiment, an exhaust pipe 16 is fixed to the left side wall of the drying box 5, and a gas valve is fitted to the exhaust pipe 16.

In this embodiment, the lower end of the recovery pipe 7 is connected to the air outlet of the furnace body 1 through a flange.

The working principle is as follows: when the dust removal device is used, firstly, the first fan 2 is started to work, when the first fan 2 works, flue gas of the furnace body 1 enters the inside of the spray box 4 through the recovery pipe 7 and the delivery pipe 6, water and lime are respectively added into the circulating water tank 3 through the water adding pipe and the feeding pipe 20, when water is added, the water drives the stirring blades to rotate, so that the water and the lime are fully contacted, calcium sulfite and sodium alkali are generated, the calcium sulfite is precipitated at the bottom of the circulating water tank 3, the sodium alkali is pumped into the spray head 8 along with circulating water through the circulating pump 10, the flue gas in the spray box 4 is sprayed by the spray head 8, the flue gas is subjected to desulfurization and dust removal treatment, dust in the flue gas falls on the dust removal net 17, the first liquid valve on the circulating pipe is opened, the water in the spray box 4 enters the circulating water tank 3 for reuse, and the calcium sulfite flows into the filter screen 15 through the discharge pipe 21 by controlling the opening and closing of the, the filter screen 15 further filters calcium sulfite, the circulating desulfurization water enters the bottom of the drying box 5, the second liquid valve is opened, the circulating pump 10 is started again, the circulating desulfurization water at the bottom of the drying box 5 flows into the atomizing head 8 through the first liquid outlet pipe 12 and the circulating water pipe 9 to continuously spray the flue gas, after the circulating desulfurization water in the drying box 5 is exhausted, the gas valve on the exhaust pipe 16 is opened, the second fan 18 is started to work, the heat in the spraying box 4 is sucked into the outlet pipe 13 through the gas inlet pipe 19, the calcium sulfite on the filter screen 15 is dried through the gas nozzle 14, the heat is fully utilized, energy is saved, the calcium sulfite is dried to be convenient for later-stage storage and use, sealing doors are installed on the front sides of the spraying box 4 and the drying box 5 in a matching manner, and the calcium sulfite on the filter screen 15 can be taken out through opening and closing of the sealing doors, meanwhile, the dust on the dust removal net 17 can be cleaned, sodium alkali is recycled with the desulfurization water, the desulfurization efficiency is high, the problem of water pollution is avoided, and meanwhile, the calcium sulfite can be used as a calcium plastic plate filler.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The energy-saving tempering furnace with the flue gas treatment function comprises a furnace body (1), a support frame (101) fixed at the top of the furnace body (1), a circulating water tank (3), a spraying tank (4) and a drying box (5) which are respectively arranged at the top of the support frame (101), and is characterized in that a first fan (2) is assembled on the left side of the top of the support frame (101), both ends of the first fan (2) are respectively connected with a recovery pipe (7) and a conveying pipe (6), the right end of the conveying pipe (6) is fixed on the inner wall of the spraying tank (4), a spraying mechanism and a dust removal net (17) are respectively arranged inside the spraying tank (4), a discharge pipe (21) is fixed at the bottom of the circulating water tank (3), the lower end of the discharge pipe (21) extends to the inside of the drying box (5), and filter screens (15) are respectively installed on both sides of the inner wall of the drying, the inner top wall left side of drying cabinet (5) is fixed with gas shower nozzle (14), be connected with heat recovery subassembly between gas shower nozzle (14) and spray box (4), be fixed with first drain pipe (12) on the inner wall of drying cabinet (5).

2. The energy-saving tempering furnace with the smoke treatment function according to claim 1, wherein a circulation pipe is welded between the bottom of the circulation water tank (3) and the side wall of the spray tank (4) and is obliquely arranged, a first liquid valve is installed on the circulation pipe in a matching manner, the spray mechanism comprises a spray head (8), a circulation water pipe (9), a circulation pump (10) and a second liquid outlet pipe (11), the top of the spray head (8) is assembled with the inner top wall of the spray tank (4), and the water inlet end of the spray head (8) is connected with the water outlet end of the circulation water pipe (9).

3. The energy-saving tempering furnace with the smoke treatment function according to claim 2, wherein a water inlet end of the circulating water pipe (9) is fixed to a top wall of the circulating pump (10), the circulating pump (10) is installed in cooperation with an outer wall of the circulating water tank (3) through the installation seat, a left side wall of the circulating pump (10) is fixedly connected with one end of the second liquid outlet pipe (11), the other end of the second liquid outlet pipe (11) is fixed to a right side wall of the circulating water tank (3), a top end of the first liquid outlet pipe (12) is connected with a side wall of the second liquid outlet pipe (11) in cooperation, and a second liquid valve is assembled at an upper end of the first liquid outlet pipe (12).

4. The energy-saving tempering furnace with the smoke treatment function according to claim 1, wherein the heat recovery assembly comprises a second fan (18), an air inlet pipe (19) and an air outlet pipe (13) which are respectively fixed at two ends of the second fan (18), the bottom end of the air inlet pipe (19) is connected with the top wall of the spraying box (4), and the lower end of the air outlet pipe (13) extends to the inside of the drying box (5) and is connected with the air inlet end of the gas nozzle (14).

5. The energy-saving tempering furnace with the smoke treatment function according to claim 1, wherein a water feeding pipe and a feeding pipe (20) are respectively installed at two sides of the top wall of the circulating water tank (3), and a stirring assembly (22) is arranged right below the water feeding pipe.

6. The energy-saving tempering furnace with the smoke treatment function according to claim 1, wherein an exhaust pipe (16) is fixed on the left side wall of said drying oven (5), and a gas valve is fittingly installed on said exhaust pipe (16).

7. The energy-saving tempering furnace with the smoke treatment function according to claim 1, wherein the lower end of the recovery pipe (7) is connected with the air outlet of the furnace body (1) through a flange.