CN219530880U - Thermal incineration device for VOCs treatment - Google Patents

Abstract

The utility model provides a thermal incineration device for VOCs treatment, which comprises: the heat preservation shell, the inside of heat preservation shell is fixed with the air inlet grille, the top of air inlet grille is equipped with the flue gas heat exchanger, the inside of heat preservation shell is fixed to the flue gas heat exchanger, flue gas heat exchanger and air inlet grille separate the inside top-down of heat preservation shell into recovery chamber, reaction chamber, mixing chamber in proper order, be equipped with the flue gas passageway on the flue gas heat exchanger, recovery chamber and reaction chamber are linked together through the flue gas passageway, reaction chamber and mixing chamber are linked together through the air inlet grille, have solved the position setting unreasonable that is used for the preheating chamber and the reaction chamber of the heating power incineration device that VOCs handled now, can not high-efficient preheat, and the lateral part and the part that the top set up of the device are more for the furnace body is settled back compact pleasing to the eye inadequately, and the purifying box is in furnace body top, inconvenient clearance and solution replenishing in the subsequent use.

Description

Thermal incineration device for VOCs treatment

Technical Field

The utility model relates to the technical field of organic waste gas treatment, in particular to a thermal incineration device for VOCs treatment.

Background

VOCs are mainly derived from industrial production and in various applications where organic solvents are used, such as paint spraying, printing, metal degreasing and degreasing, adhesives, volatile organic compounds are constantly contaminating the air. In order to maintain the air quality in the environment, combustion furnaces are used for burning the exhaust gas to remove pollutants in the exhaust gas. However, when the existing combustion furnace is used for treating waste gas, the waste gas is directly led into the combustion furnace, the waste gas can be heated in the combustion furnace for a long time to react, time is wasted, most of heat in the combustion reaction is directly discharged along with the treated waste gas, the treatment cost is increased, and resource waste is caused.

In view of the above, the utility model CN213453650U discloses a combustion furnace for organic waste gas treatment of VOCs, which comprises a furnace body, wherein an insulating layer is adhered to the outer wall of the furnace body, a partition plate is welded on the inner wall of the furnace body, the inside of the furnace body is sequentially divided into a preheating cavity from bottom to top by the partition plate, a reaction cavity and a recovery cavity are connected with an air heater through bolts, an air outlet pipe of the air heater is introduced into the preheating cavity, an air inlet pipe is connected to the outer wall of the furnace body at the corresponding position of the preheating cavity, the preheating cavity is provided with a ventilation pipe introduced into the reaction cavity, an electric heating pipe is welded on the inner wall of the reaction cavity, a catalytic net cage is arranged above the electric heating pipe, and a conveying pipe is arranged on one side of the reaction cavity close to the ventilation pipe. According to the utility model, the preheating cavity preheats the waste gas, the reaction cavity performs combustion reaction to remove harmful substances, the heat conducting pipe guides the burnt waste gas into the preheating cavity to preheat the preheating cavity, and meanwhile, the burnt waste gas is led into the reaction cavity again to react, so that the reaction is more thorough, the heat is recycled, the resources are saved, and the treatment cost is saved.

The preheating cavity and the reaction cavity of the thermal incineration device for VOCs treatment are unreasonable in position setting, cannot be efficiently preheated, and the side parts and the top of the device are provided with more parts, so that the furnace body is not compact and attractive enough after being arranged, and the purifying box is arranged at the top of the furnace body, so that the cleaning and the solution supplementing in the subsequent use process are inconvenient.

In view of the above, the present utility model has been made in view of the above problems, and it is an object of the present utility model to provide a thermal incinerator for treating VOCs, which solves the problems and improves the practical value.

Disclosure of Invention

The present utility model aims to provide a thermal incineration device for VOCs treatment, which solves the problems and disadvantages presented in the background art.

In order to achieve the above purpose, the present utility model is achieved by the following specific technical means:

a thermal incineration device for VOCs treatment, comprising: the heat preservation shell, heat preservation shell's inside is fixed with the air inlet grille, air inlet grille's top is equipped with the flue gas heat exchanger, the inside of heat preservation shell is fixed to the flue gas heat exchanger, flue gas heat exchanger and air inlet grille separate the inside top-down of heat preservation shell into in proper order and retrieve chamber, reaction chamber, hybrid chamber, be equipped with the flue gas passageway on the flue gas heat exchanger, retrieve chamber and reaction chamber and be linked together through the flue gas passageway, reaction chamber and hybrid chamber are linked together through the air inlet grille, heat preservation shell's back is equipped with the outlet duct and returns the tobacco pipe, hybrid chamber and retrieve the chamber and be linked together through returning the tobacco pipe, hybrid chamber and flue gas heat exchanger are linked together through the outlet duct.

As a further optimization of the technical scheme, the bottom of the heat-insulating shell is fixedly provided with supporting legs through bolts, and the supporting leg matrix is provided with a plurality of supporting legs.

As the further optimization of this technical scheme, the lateral part of heat preservation shell front view has offered smoke vent along circumference, and smoke vent offers to both ends unclosed back shape along heat preservation shell's edge line, smoke vent's one end is equipped with the exhaust port, and the exhaust port is offered at the top of retrieving the chamber to smoke vent and retrieve the chamber and be linked together through the exhaust port, heat preservation shell's back welding has smoke vent and water tank support, there is transparent purifying box at the top of water tank support through bolt fastening, transparent purifying box top opening, transparent purifying box's inside splendid attire has sodium hydroxide solution, transparent purifying box's inside bolt fastening has the fluviograph, smoke vent's the other end is let in to smoke vent's one end, the other end of smoke vent inserts in the sodium hydroxide solution of transparent purifying box inside, the last smoke vent pump that has concatenated.

As the further optimization of this technical scheme, the inside of reaction chamber is equipped with heat pipe and catalysis box with a net, the heat pipe is established in the below of catalysis box with a net, the welding of the left and right sides both ends of reaction chamber has the bracket, the bracket is established between heat pipe and catalysis box with a net, just the catalysis box with a net is placed at the top of bracket.

As the further optimization of this technical scheme, the flue gas passageway is the square hole that link up from top to bottom, just the square hole is provided with a plurality ofly side by side, the inside cavity of flue gas heat exchanger, and the top of flue gas heat exchanger is equipped with the intake pipe, the one end welding of intake pipe is in the left end front side of flue gas heat exchanger, the rear end to outside that the other end of intake pipe runs through heat preservation shell backward, the one end welding of outlet duct is in the lower left corner of flue gas heat exchanger rear end, the other end of outlet duct lets in the mixing chamber, the waste gas aspiration pump has concatenated on the outlet duct.

As a further optimization of the technical scheme, the smoke returning pipe is arranged on one side of the air outlet pipe, the transparent purifying box is arranged between the smoke returning pipe and the air outlet pipe, one end of the smoke returning pipe is led into the recycling cavity, the other end of the smoke returning pipe is led into the mixing cavity, and the smoke returning pipe is connected with the smoke returning air pump in series.

As a further optimization of the technical scheme, the outer surfaces of the air outlet pipe and the pipeline of the smoke return pipe are sleeved with heat preservation pipes.

As a further optimization of the technical scheme, the front ends of the mixing cavity and the recycling cavity are provided with an access door, and the access door is hinged with the heat-preserving shell.

As a further optimization of the technical scheme, a control panel is arranged between the access door arranged at the front end of the mixing cavity and the access door arranged at the front end of the recycling cavity, and the control panel is fixed at the front end of the heat-insulating shell through bolts.

As a further optimization of the technical scheme, the side parts of the mixing cavity and the recycling cavity are fixed with a temperature sensor through bolts.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. according to the utility model, the recovery cavity, the flue gas heat exchanger, the reaction cavity and the mixing cavity are sequentially arranged in the heat-insulating shell from top to bottom, the flue gas channel is arranged on the flue gas heat exchanger, the recovery cavity is communicated with the reaction cavity through the flue gas channel, the reaction cavity is communicated with the mixing cavity through the air inlet grille, the mixing cavity is communicated with the recovery cavity through the smoke return pipe, the mixing cavity is communicated with the flue gas heat exchanger through the air outlet pipe, the position arrangement is reasonable, heat generated during combustion can directly heat the bottom of the flue gas heat exchanger, the waste gas flowing through the flue gas heat exchanger is efficiently preheated, and the high-temperature flue gas exchanges heat with the waste gas in the flue gas heat exchanger when passing through the flue gas channel, so that the efficient preheating effect is further improved, and the mixed return flue gas and the preheated waste gas can be improved through the mixing cavity.

2. According to the utility model, the air outlet pipe, the smoke return pipe, the air inlet pipe, the smoke exhaust pipe and the transparent purifying box are arranged at the back of the heat insulation shell, so that the whole device is compact and attractive, the height of the transparent purifying box is reduced, the transparent purifying box is convenient to observe, and cleaning and solution supplementing in the subsequent use process of the transparent purifying box are facilitated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the back structure of the heat-insulating housing of the present utility model;

FIG. 3 is a schematic view of the structure of the access door of the present utility model in an open state;

FIG. 4 is a schematic view of the bottom view of the smoke vent of the present utility model;

FIG. 5 is a schematic view of a partial isometric construction of the present utility model;

FIG. 6 is a schematic diagram of a wire frame structure according to the present utility model;

in the figure: the heat preservation shell 1, supporting legs 2, a smoke discharging flue 3, a smoke discharging port 4, a smoke discharging pipe 5, a smoke discharging air pump 6, a transparent purifying box 7, a water tank bracket 8, an air inlet grille 9, a mixing cavity 10, a reaction cavity 11, a heat conducting pipe 12, a catalytic net box 13, a bracket 14, a smoke heat exchanger 15, a recovery cavity 16, an air inlet pipe 17, an air outlet pipe 18, a waste gas air pump 19, a smoke returning pipe 20, a smoke returning air pump 21, an access door 22, a control panel 23, a temperature sensor 24, a water level meter 71 and a smoke channel 151.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Meanwhile, in the description of the present utility model, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 6, the specific technical embodiment of the present utility model is as follows:

a heating power incineration device for VOCs handles includes heat preservation shell 1, and the bottom of heat preservation shell 1 is fixed with a plurality of supporting legs 2 that the matrix set up through the bolt.

A smoke discharging flue 3 is arranged on the front side of the heat preservation shell 1 along the circumferential direction, the smoke discharging flue 3 is arranged into a shape with two non-closed ends along the edge line of the heat preservation shell 1, one end of the smoke discharging flue 3 is communicated with a smoke discharging port 4, the burnt smoke enters the smoke discharging flue 3 from the smoke discharging port 4, a smoke discharging pipe 5 is welded on the back of the heat preservation shell 1, a smoke discharging air pump 6 is connected on the smoke discharging pipe 5 in series, one end of the smoke discharging pipe 5 is led into one end of the smoke discharging flue 3, the smoke discharging air pump 6 can be used for sucking the smoke entering the smoke discharging flue 3 to assist smoke discharging, a transparent purifying box 7 and a water tank bracket 8 are arranged on the back of the heat preservation shell 1, the top of the transparent purifying box 7 is opened, the water tank support 8 and the heat preservation shell 1 welded fastening, transparent purifying box 7 passes through the top of bolt fastening at water tank support 8, splendid attire sodium hydroxide solution in the inside of transparent purifying box 7, and at the inside bolt fastening fluviograph 71 of transparent purifying box 7, be used for detecting the liquid level, insert the other end of discharging fume pipe 5 in the sodium hydroxide solution of transparent purifying box 7 inside, when the sucking fume of exhaust pump 6, send the flue gas of sucking into sodium hydroxide solution and wash, remove harmful substance back and discharge from transparent purifying box 7 open top, the flue gas circulates in smoke stack 3, be used for assisting heat preservation shell 1 heat preservation.

The inside of the heat preservation shell 1 is fixed with the air inlet grille 9, the air inlet grille 9 separates the inside of the heat preservation shell 1 into a mixing cavity 10 and a reaction cavity 11, the mixing cavity 10 is arranged below the reaction cavity 11, the reaction cavity 11 and the mixing cavity 10 are communicated through the air inlet grille 9, namely, flue gas waste gas in the mixing cavity 10 can pass through the air inlet grille 9 and enter the reaction cavity 11, a heat conduction pipe 12 and a catalytic net cage 13 are arranged in the reaction cavity 11, the heat conduction pipe 12 is arranged below the catalytic net cage 13, brackets 14 are welded at the left end and the right end of the reaction cavity 11, the brackets 14 are arranged between the heat conduction pipe 12 and the catalytic net cage 13, the catalytic net cage 13 is placed at the top of the brackets 14, and the catalytic net cage 13 is convenient to mount and dismount through the brackets 14 so as to be convenient to replace.

The flue gas heat exchanger 15 is arranged above the air inlet grille 9, the flue gas heat exchanger 15 is fixed in the heat insulation shell 1 through bolts or welding, the flue gas heat exchanger 15 divides the heat insulation shell 1 into two parts, the upper part is a recycling cavity 16, the lower part is a reaction cavity 11, a flue gas channel 151 is arranged on the flue gas heat exchanger 15, the flue gas channel 151 is a square hole which is vertically communicated, a plurality of square holes are arranged side by side, flue gas in the reaction cavity 11 can pass through the flue gas channel 151 to enter the recycling cavity 16, a grid-shaped smoke outlet 4 is formed in the left side of the top of the recycling cavity 16, and flue gas in the recycling cavity 16 can also pass through the smoke outlet 4 to enter the smoke outlet 3.

The inside cavity of flue gas heat exchanger 15 is equipped with intake pipe 17 at the top of flue gas heat exchanger 15, the one end welding of intake pipe 17 is in the left end front side of flue gas heat exchanger 15, the other end of intake pipe 17 runs through the rear end of heat preservation shell 1 backward to outside, the back of heat preservation shell 1 is equipped with outlet duct 18, the one end welding of outlet duct 18 is in the lower left corner of flue gas heat exchanger 15 rear end, the other end of outlet duct 18 lets in mixing chamber 10, the exhaust duct 18 has concatenated waste gas aspiration pump 19, outside waste gas is led into flue gas heat exchanger 15 through intake pipe 17, waste gas aspiration pump 19 is used for sucking the waste gas that gets into in the flue gas heat exchanger 15, and send the waste gas of sucking into mixing chamber 10.

The back of the heat preservation shell 1 is provided with a smoke returning pipe 20, the smoke returning pipe 20 is arranged on one side of the air outlet pipe 18, the transparent purifying box 7 is arranged between the smoke returning pipe 20 and the air outlet pipe 18, one end of the smoke returning pipe 20 is communicated with the recycling cavity 16, the other end of the smoke returning pipe 20 is communicated with the mixing cavity 10, the smoke returning pipe 20 is connected with a smoke returning air pump 21 in series, the smoke returning air pump 21 is used for sucking smoke entering the recycling cavity 16, sucked smoke flows back into the mixing cavity 10 through the smoke returning pipe 20 and is mixed with waste gas led in from the air outlet pipe 18, and the mixed smoke passes through the air inlet grille 9 and enters the reaction cavity 11 to be burnt, so that secondary combustion of the smoke is realized.

The arrangement positions of the recovery cavity 16, the flue gas heat exchanger 15, the reaction cavity 11 and the mixing cavity 10 in the heat preservation shell 1 are reasonable, and the upper layer heat temperature is higher during combustion, so that the bottom of the direct heating flue gas heat exchanger 15 can efficiently preheat waste gas flowing in the flue gas heat exchanger 15, and the high-temperature flue gas exchanges heat with the waste gas in the flue gas heat exchanger 15 when passing through the flue gas channel 151, so that the efficient preheating effect is further improved, the mixed and reflowed flue gas and the preheated waste gas can be mixed through the mixing cavity 10, the effect of reflow flue gas secondary combustion can be improved, and the air outlet pipe 18, the smoke return pipe 20, the air inlet pipe 17, the smoke exhaust pipe 5 and the transparent purifying box 7 are all arranged on the back of the heat preservation shell 1, so that the whole device is compact and attractive, the height of the transparent purifying box 7 is reduced, the transparent purifying box 7 is convenient to observe, and cleaning and solution supplementing in the use process of the subsequent transparent purifying box 7 are convenient.

In addition, the outer surfaces of the pipelines of the air outlet pipe 18 and the smoke return pipe 20 are sleeved with heat preservation pipes for pipeline heat preservation, the front ends of the mixing cavity 10 and the recovery cavity 16 are provided with an access door 22, the access door 22 is hinged with the heat preservation shell 1, the interior of the mixing cavity 10 and the interior of the recovery cavity 16 can be conveniently overhauled by opening the access door 22, a control panel 23 is arranged between the access door 22 at the front end of the mixing cavity 10 and the access door 22 at the front end of the recovery cavity 16, the control panel 23 is fixed at the front end of the heat preservation shell 1 through bolts, and the side parts of the mixing cavity 10 and the recovery cavity 16 are all fixed with a temperature sensor 24 through bolts for detecting temperature.

To sum up: this a heating power incineration device for VOCs handles through set gradually recovery chamber, the flue gas heat exchanger, the reaction chamber, the hybrid chamber in heat preservation shell's inside top-down, be equipped with the flue gas passageway on the flue gas heat exchanger, recovery chamber and reaction chamber are linked together through the flue gas passageway, reaction chamber and hybrid chamber are linked together through the air inlet grille, hybrid chamber and recovery chamber are linked together through returning the tobacco pipe, hybrid chamber and flue gas heat exchanger are linked together through the outlet duct, the position setting is reasonable, heat during the burning can directly heat the flue gas heat exchanger bottom, waste gas in the flow through the flue gas heat exchanger carries out high-efficient preheating, and high temperature flue gas carries out the heat transfer with the waste gas in the flue gas heat exchanger when passing the flue gas passageway, further improved the effect that high-efficient preheating, and can improve the effect of backward flow flue gas afterburning through mixing chamber, through with the outlet duct, return the tobacco pipe, the air inlet pipe, the exhaust pipe, transparent purifying box is established at the back of heat preservation shell, and is comparatively compact pleasing to the eye, and the transparent purifying box has reduced the height of transparent purifying box, and transparent purifying box convenient observation, the clearance and solution in the follow-up transparent purifying box use process have been convenient for and the following, the problem has effectively solved in the existing device and has appeared.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A thermal incineration device for VOCs treatment, comprising: insulation shell (1), its characterized in that: the inside of heat preservation shell (1) is fixed with air inlet grille (9), the top of air inlet grille (9) is equipped with flue gas heat exchanger (15), the inside of heat preservation shell (1) is fixed to flue gas heat exchanger (15), flue gas heat exchanger (15) and air inlet grille (9) separate inside top-down of heat preservation shell (1) into recovery chamber (16), reaction chamber (11), hybrid chamber (10) in proper order, be equipped with flue gas passageway (151) on flue gas heat exchanger (15), recovery chamber (16) and reaction chamber (11) are linked together through flue gas passageway (151), reaction chamber (11) are linked together through air inlet grille (9) with hybrid chamber (10), the back of heat preservation shell (1) is equipped with outlet duct (18) and returns tobacco pipe (20), hybrid chamber (10) and recovery chamber (16) are linked together through returning tobacco pipe (20), hybrid chamber (10) and flue gas heat exchanger (15) are linked together through outlet duct (18).

2. A thermal incineration device for VOCs treatment according to claim 1, characterised in that: the bottom of the heat preservation shell (1) is fixedly provided with supporting legs (2) through bolts, and a plurality of supporting legs (2) are arranged in a matrix.

3. A thermal incineration device for VOCs treatment according to claim 1, characterised in that: the utility model discloses a fire-fighting equipment, including heat preservation shell (1), lateral part of heat preservation shell (1) front view has offered smoke flue (3) along circumference, and smoke flue (3) are offered along the edge line of heat preservation shell (1) and are the both ends unclosed shape that returns, the one end of smoke flue (3) is equipped with exhaust port (4), and exhaust port (4) are offered at the top of retrieving chamber (16), and smoke flue (3) and retrieve chamber (16) and are linked together through exhaust port (4), the back welding of heat preservation shell (1) has smoke tube (5) and water tank support (8), the top of water tank support (8) is through bolt fastening has transparent purifying box (7), transparent purifying box (7) open top, sodium hydroxide solution is held to the inside of transparent purifying box (7), the internal screw bolt of transparent purifying box (7) is fixed with fluviograph (71), the other end of smoke tube (5) lets in the inside sodium hydroxide solution of smoke tube (5), smoke tube (5) have the exhaust pump (6) concatenate.

4. A thermal incineration device for VOCs treatment according to claim 3, characterised in that: the inside of reaction chamber (11) is equipped with heat pipe (12) and catalysis box with a net (13), heat pipe (12) are established in the below of catalysis box with a net (13), both ends welding has bracket (14) about reaction chamber (11), bracket (14) are established between heat pipe (12) and catalysis box with a net (13), just catalysis box with a net (13) are placed at the top of bracket (14).

5. A thermal incineration device for VOCs treatment according to claim 4, characterised in that: the flue gas passageway (151) is the square hole that link up from top to bottom, just the square hole is provided with a plurality of side by side, the inside cavity of flue gas heat exchanger (15), and the top of flue gas heat exchanger (15) is equipped with intake pipe (17), the one end welding of intake pipe (17) is in the left end front side of flue gas heat exchanger (15), the rear end to outside that runs through heat preservation shell (1) backward of the other end of intake pipe (17), the left lower corner at flue gas heat exchanger (15) rear end is welded to the one end of outlet duct (18), the other end of outlet duct (18) lets in hybrid chamber (10), waste gas aspiration pump (19) have concatenated on outlet duct (18).

6. A thermal incineration device for VOCs treatment according to claim 5, characterised in that: the smoke return pipe (20) is arranged on one side of the air outlet pipe (18), the transparent purifying box (7) is arranged between the smoke return pipe (20) and the air outlet pipe (18), one end of the smoke return pipe (20) is communicated with the recycling cavity (16), the other end of the smoke return pipe (20) is communicated with the mixing cavity (10), and the smoke return pipe (20) is connected with the smoke return air pump (21) in series.

7. A thermal incineration device for VOCs treatment according to claim 6, characterised in that: the outer surfaces of the pipelines of the air outlet pipe (18) and the smoke return pipe (20) are respectively sleeved with a heat preservation pipe.

8. A thermal incineration device for VOCs treatment according to claim 1, characterised in that: the front ends of the mixing cavity (10) and the recovery cavity (16) are respectively provided with an access door (22), and the access doors (22) are hinged with the heat-preserving shell (1).

9. A thermal incineration device for VOCs treatment according to claim 8, characterised in that: an access door (22) arranged at the front end of the mixing cavity (10) and an access door (22) arranged at the front end of the recovery cavity (16) are provided with a control panel (23), and the control panel (23) is fixed at the front end of the heat-preserving shell (1) through bolts.

10. A thermal incineration device for VOCs treatment according to claim 9, characterised in that: a temperature sensor (24) is fixed on the side parts of the mixing cavity (10) and the recovery cavity (16) through bolts.