CN210717565U

CN210717565U - Waste heat recovery device in hazardous waste treatment process

Info

Publication number: CN210717565U
Application number: CN201921484375.4U
Authority: CN
Inventors: 徐飞; 张俊涛; 苏亮
Original assignee: Jiangsu Tangdian Power Engineering Design Co Ltd
Current assignee: Jiangsu Tangdian Engineering Design Co.,Ltd.
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-06-09
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a waste heat recovery device in a hazardous waste treatment process, which comprises a rotary furnace, a waste heat recovery assembly and a rapid cooling device, wherein a secondary combustion chamber is arranged on one side of the rotary furnace, the waste heat recovery assembly is arranged on one side of the secondary combustion chamber, the rapid cooling device is arranged on one side of the waste heat recovery assembly, and the rotary furnace, the secondary combustion chamber, the waste heat recovery assembly and the rapid cooling device are sequentially connected through a smoke exhaust pipeline; the waste heat recovery assembly comprises a support, a shell, a membrane chamber wall partition wall, a settling chamber, a first smoke inlet and a second smoke outlet, wherein the shell is installed at the top end of the support, the membrane chamber wall partition wall is installed in the shell, and the settling chamber is installed on one side of the membrane chamber wall partition wall; the utility model discloses use radiation heat transfer to give first place to, do not establish the convection current heat transfer surface to the deposit room that the casing is inside to be equipped with makes in the casing and the exhaust pipe not take place smoke and dust blocking phenomenon, and it is little not with deashing and flue gas resistance, long-time continuous operation.

Description

Waste heat recovery device in hazardous waste treatment process

Technical Field

The utility model relates to a waste heat recovery device field specifically is a waste heat recovery device among useless processing technology of danger.

Background

With the further development of economy in China, more and more dangerous wastes are generated in industrial production, and fatal large-area influence is brought to the surrounding environment. Therefore, the treatment and disposal of the hazardous waste has increasingly attracted great attention in various aspects at home and abroad nowadays.

Traditional danger waste industry exhaust-heat boiler export steam is because temperature pressure is lower, and the quality is not high, and the air supply changes along with the combustion capacity and the calorific value of front end combustion technology again, and the air supply is very unstable, and traditional waste heat power generation equipment and correlation technique are difficult to utilize this type of heat source, so the general direct atmosphere that discharges of steam not only destroys the environment, has wasted a large amount of energy simultaneously.

The waste heat recovery device in the existing hazardous waste treatment process adopts a water-tube type convection heat exchange waste heat boiler, and due to the particularity of hazardous waste incineration flue gas, the problems of dust deposition and corrosion are often easy to occur.

SUMMERY OF THE UTILITY MODEL

To above not enough, the utility model aims at providing a waste heat recovery device among useless processing technology of danger, this waste heat recovery device uses the radiation heat transfer to give first place to, does not establish the convection current heat transfer surface to the settling chamber that the casing is inside to be equipped with makes in the casing and the exhaust pipe in not taking place smoke and dust blocking phenomenon, need not deashing and flue gas resistance little, can long-time continuous operation.

The utility model aims at providing a waste heat recovery device in dangerous waste treatment process realized through the technical scheme, which comprises a rotary furnace, a waste heat recovery component and a rapid cooling device, wherein a secondary combustion chamber is arranged on one side of the rotary furnace, the waste heat recovery component is arranged on one side of the secondary combustion chamber, the rapid cooling device is arranged on one side of the waste heat recovery component, and the rotary furnace, the secondary combustion chamber, the waste heat recovery component and the rapid cooling device are sequentially connected through a smoke exhaust pipeline;

the waste heat recovery subassembly is including support, casing, membrane room wall partition wall, deposit room, first inlet flue and second outlet flue, and the casing is installed on the support top, and casing internally mounted has membrane room wall partition wall, and the deposit room is installed to membrane room wall partition wall one side, and first inlet flue has been seted up to casing lower part one side, and the second outlet flue has been seted up to casing lower part opposite side.

As a further technical scheme of the utility model, cooling device rapidly includes the tower body, the second advances the mouth, the dispersion impeller, the water pipe, the flow pressure meter, the mounting bracket, the spray gun, the temperature measurement meter, exhaust port and outlet, tower body middle part one side is installed the second and is advanced the mouth, the inside second that is located of tower body advances mouth top position department and installs the dispersion impeller, the water pipe is installed on tower body outside upper portion, the flow pressure meter is installed to water pipe one side, the inside water pipe that is located of tower body one side position department installs the mounting bracket, the spray gun is evenly installed to the mounting bracket bottom, mounting bracket bottom mid-mounting has the temperature measurement meter, tower body top mid-mounting has the exhaust port.

As a further technical scheme of the utility model, the water tower is installed to rapid cooling device one side, leads to water piping connection between tower body and the water tower.

As a further technical scheme of the utility model, be connected through the mount between casing and the membrane room wall partition wall.

As a further technical scheme of the utility model, the inside ceramic anticorrosive coating that installs of settling chamber.

As a further technical scheme of the utility model, the metal protection cage is installed in the temperature measurement meter outside.

Due to the adoption of the technical scheme, the utility model discloses following advantage has: after the dangerous waste is put into the rotary furnace, the smoke generated by burning is discharged into a secondary combustion chamber through a smoke exhaust pipeline, then enters a shell from a first smoke inlet through the smoke exhaust pipeline, the high-temperature smoke passes through a membrane chamber wall partition wall, the membrane chamber wall partition wall is mainly used for radiation heat exchange, and a convection heat exchange surface is not arranged, so that smoke in the high-temperature smoke does not generate smoke blocking phenomenon in the shell and the smoke exhaust pipeline under the action of a settling chamber, dust is not required to be removed, the smoke resistance is small, the continuous operation can be carried out for a long time, and the support is used for supporting the shell.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The drawings of the present invention are described below.

Fig. 1 is an overall structural schematic diagram of a waste heat recovery device in a hazardous waste treatment process.

Fig. 2 is a schematic structural diagram of a waste heat recovery assembly of the waste heat recovery device in the hazardous waste treatment process.

Fig. 3 is a schematic structural view of a rapid cooling device of a waste heat recovery device in a hazardous waste treatment process.

Reference numbers in the figures: 1. a rotary kiln; 2. a second combustion chamber; 3. a waste heat recovery assembly; 4. a rapid cooling device; 5. a smoke exhaust duct; 6. a water tower; 31. a support; 32. a housing; 33. a membrane chamber wall partition; 34. a settling chamber; 35. a first smoke inlet; 36. a second smoke outlet; 41. a tower body; 42. a second smoke inlet; 43. a dispersion tray; 44. a water pipe; 45. a flow rate pressure gauge; 46. a mounting frame; 47. a spray gun; 48. a temperature meter; 49. a smoke outlet; 410. and a water outlet.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 to 3, the utility model discloses a waste heat recovery device in dangerous useless processing technology, including rotary furnace 1, waste heat recovery subassembly 3 and rapid cooling device 4, two combustion chambers 2 are installed to rotary furnace 1 one side, and waste heat recovery subassembly 3 is installed to two combustion chambers 2 one side, and rapid cooling device 4 is installed to waste heat recovery subassembly 3 one side, and rotary furnace 1, two combustion chambers 2, waste heat recovery subassembly 3 and rapid cooling device 4 loop through exhaust pipe 5 and connect, and dangerous waste drops into rotary furnace 1 after, burns the flue gas that produces and discharges to two combustion chambers 2 through exhaust pipe 5, then gets into casing 32 from first inlet flue 35 through exhaust pipe 5;

the waste heat recovery assembly 3 comprises a support 31, a shell 32, a membrane chamber wall partition 33, a settling chamber 34, a first smoke inlet 35 and a second smoke outlet 36, the shell 32 is installed at the top end of the support 31, the membrane chamber wall partition 33 is installed inside the shell 32, the settling chamber 34 is installed on one side of the membrane chamber wall partition 33, the first smoke inlet 35 is formed in one side of the lower portion of the shell 32, the second smoke outlet 36 is formed in the other side of the lower portion of the shell 32, high-temperature smoke passes through the membrane chamber wall partition 33, the membrane chamber wall partition 33 is mainly used for radiation heat exchange, and a convection heat exchange surface is not arranged, so that smoke in the high-temperature smoke is not blocked by the smoke in the shell 32 and in the smoke exhaust pipe 5, dust cleaning is not needed, smoke resistance is small, long-time continuous operation is realized, and the support 31 is used for supporting the.

The rapid cooling device 4 comprises a tower body 41, a second smoke inlet 42, a dispersion disc 43, a water pipe 44, a flow pressure meter 45, an installation frame 46, a spray gun 47, a temperature measuring meter 48, a smoke outlet 49 and a water outlet 410, wherein the second smoke inlet 42 is installed on one side of the middle part of the tower body 41, the dispersion disc 43 is installed at the position, located above the second smoke inlet 42, inside the tower body 41, the water pipe 44 is installed on the upper part of the outer side of the tower body 41, the flow pressure meter 45 is installed on one side of the water pipe 44, the installation frame 46 is installed at the position, located on one side of the water pipe 44, inside the tower body 41, the spray gun 47 is evenly installed at the bottom end of the installation frame 46, the temperature measuring meter 48 is installed at the middle part of the bottom end of the tower body 46, the smoke outlet 49 is installed at the middle part of the top end of the tower body, with the resynthesis that reduces dioxin class material, water tower 6 and water pipe 44 supply water for tower body 41, the water sprays and down from spray gun 47 on mounting bracket 46, lower the temperature to the flue gas after dispersion disc 43 dispersion, flue gas after the cooling is from exhaust port 49, the water that sprays down is discharged from outlet 410, temperature measurement meter 48 is used for detecting whether the temperature in tower body 41 is in normal range, guarantee the stability of tower body 41 outlet temperature, flow pressure gauge 45 of installation is used for the control to detect the liquid flow who supplies spray gun 47 on the water pipe 44 for whether the inside operation of tower body 41 is normal.

A water tower 6 is arranged on one side of the rapid cooling device 4, the tower body 41 is connected with the water tower 6 through a water pipe 44, and the water tower 6 and the water pipe 44 are used for supplying water to the tower body 41.

The shell 32 is connected with the diaphragm chamber wall 33 through a fixing frame, the fixing frame is used for supporting and connecting the shell 32 and the diaphragm chamber wall 33, and the diaphragm chamber wall 33 is installed in the shell 32.

The interior of the settling chamber 34 is provided with a ceramic anticorrosive coating, and the ceramic anticorrosive coating is arranged on the inner wall of the settling chamber 34, so that the inner wall of the settling chamber 34 is prevented from being corroded, and the service life of the settling chamber 34 is prolonged.

A metal protection cage is installed outside the temperature measuring meter 48, and is used for protecting the temperature measuring meter 48 and preventing the temperature measuring meter 48 from cracking.

The use method and the working principle thereof are as follows: after the dangerous waste is put into the rotary furnace 1, the smoke generated by burning is discharged into the secondary combustion chamber 2 through the smoke exhaust pipe 5, then enters the shell 32 from the first smoke inlet 35 through the smoke exhaust pipe 5, the high-temperature smoke passes through the membrane chamber wall partition wall 33, the membrane chamber wall partition wall 33 mainly uses radiation heat exchange, and is not provided with a convection heat exchange surface, so that smoke in the high-temperature smoke does not generate smoke blocking phenomenon in the shell 32 and the smoke exhaust pipe 5 under the action of the settling chamber 34, dust cleaning is not needed, the smoke resistance is small, the long-time continuous operation can be realized, the bracket 31 is used for supporting the shell 32, the smoke after being utilized by the waste heat recovery assembly 3 enters the tower body 41 from the second smoke inlet 42 through the smoke exhaust pipe 5, the smoke after being treated by the waste heat recovery assembly 3 is continuously treated, so as to reduce the resynthesis of dioxin-like substances, the tower body 6 and the water pipe 44 supply water for 41, the water body, the flue gas after the dispersion of dispersion disc 43 is cooled, the flue gas after cooling is discharged from discharge port 49, the water body that sprays down is discharged from outlet 410, temperature measurement meter 48 is used for detecting whether the temperature in tower body 41 is in the normal range, guarantees the stability of tower body 41 outlet temperature, and flow pressure gauge 45 that the installation is used for controlling to detect the liquid flow who supplies spray gun 47 on the water pipe 44 for whether the inside operation of tower body 41 is normal.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a waste heat recovery device in useless processing technology of danger which characterized in that: the waste heat recovery device comprises a rotary furnace, a waste heat recovery assembly and a rapid cooling device, wherein a secondary combustion chamber is arranged on one side of the rotary furnace, the waste heat recovery assembly is arranged on one side of the secondary combustion chamber, the rapid cooling device is arranged on one side of the waste heat recovery assembly, and the rotary furnace, the secondary combustion chamber, the waste heat recovery assembly and the rapid cooling device are sequentially connected through a smoke exhaust pipeline;

2. The waste heat recovery device in the hazardous waste treatment process according to claim 1, wherein: quick cooling device includes the tower body, the second advances the mouth, the dispersion impeller, the water pipe, flow pressure meter, the mounting bracket, the spray gun, the temperature measurement meter, exhaust port and outlet, tower body middle part one side is installed the second and is advanced the mouth, the inside second that is located of tower body advances mouth top position department and installs the dispersion impeller, the water pipe is installed on tower body outside upper portion, flow pressure meter is installed to water pipe one side, the inside water pipe that is located of tower body department of position installs the mounting bracket, the spray gun is evenly installed to the mounting bracket bottom, mounting bracket bottom mid-mounting has the temperature measurement meter, tower body top mid-mounting has the exhaust port, tower body.

3. The waste heat recovery device in the hazardous waste treatment process according to claim 1, wherein: and a water tower is arranged on one side of the rapid cooling device, and the tower body is connected with the water tower through a water pipe.

4. The waste heat recovery device in the hazardous waste treatment process according to claim 1, wherein: the shell is connected with the diaphragm chamber wall partition wall through a fixing frame.

5. The waste heat recovery device in the hazardous waste treatment process according to claim 1, wherein: and a ceramic anticorrosive layer is arranged inside the settling chamber.

6. The waste heat recovery device in the hazardous waste treatment process according to claim 2, wherein: and a metal protection cage is arranged outside the temperature measuring meter.