CN117823915A - Hazardous waste burns device and returns cigarette suppression system - Google Patents

Abstract

The application relates to the field of hazardous waste incineration, in particular to a hazardous waste incineration device return smoke suppression system, which comprises: the feeding assembly is used for assisting the movement of the materials; the hopper is arranged above the feeding assembly and is communicated with the feeding assembly, and a gate valve for controlling the material to enter is inserted into the hopper; the smoke return pressing assembly is connected with the hopper and comprises a steam nozzle penetrating through the hopper, a steam pipeline connected with the steam nozzle and a pneumatic control valve arranged on the steam pipeline; the incinerator is communicated with the feeding assembly and is arranged at one end, far away from the hopper, of the feeding assembly. The application can reduce the influence on the environment, safety and personnel health of a workshop in the process of burning materials.

Description

Hazardous waste burns device and returns cigarette suppression system

Technical Field

The application relates to the field of hazardous waste incineration, in particular to a hazardous waste incineration device return smoke pressing system.

Background

Incineration treatment is a common harmless treatment mode of hazardous waste, and the removal rate of organic matters can reach 99% under the condition of complete combustion. Incineration disposal is widely used for the disposal of hazardous waste because it is a relatively complete and thorough treatment of decomposing and destroying waste. In addition, the incineration treatment can greatly reduce the volume of waste, and a small amount of ash generated by the incineration can be sent to landfill for disposal, so that the landfill disposal amount of the waste is greatly reduced.

Since the incineration materials may be solid, semi-solid or liquid, different feeding modes such as grab feeding, bucket lifting feeding, waste liquid spray gun feeding and the like need to be equipped. In general, the incinerator is in a negative pressure state in the operation process, but the grab bucket feeding and bucket lifting feeding possibly cause unstable pressure in the incinerator in the process of pushing materials into the incinerator, partial positive pressure of the kiln head of the incinerator is formed, and part of smoke generated by incineration overflows along with a gap of a pushing system, so that a large amount of smoke is filled in a feeding workshop, the smoke returns without any pressing treatment, are toxic and harmful, have a certain temperature of about 80-150 ℃, have more unburnt particles and dust, and have great influence on the environment, safety and personnel health of the workshop.

Disclosure of Invention

In order to reduce the influence on the environment, safety and personnel health of a workshop in the process of incinerating materials, the application provides a hazardous waste incineration device smoke return pressing system.

The application provides a hazardous waste burns device and returns cigarette suppression system adopts following technical scheme:

a hazardous waste incineration device return smoke suppression system comprising:

the feeding assembly is used for assisting in conveying materials;

the hopper is arranged above the feeding assembly and is communicated with the feeding assembly, and a gate valve for controlling the material to enter is inserted into the hopper;

the smoke return pressing assembly is connected with the hopper and comprises a steam nozzle penetrating through the hopper, a steam pipeline connected with the steam nozzle and a pneumatic control valve arranged on the steam pipeline;

the incinerator is communicated with the feeding assembly and is arranged at one end, far away from the hopper, of the feeding assembly.

Through adopting above-mentioned technical scheme, when needs are pressed the flue gas, open feeding subassembly, put into the material from the hopper, feeding subassembly pushes the material from the hopper, open the pneumatic control valve this moment for steam in the steam line gets into feeding subassembly from the vapor nozzle, and at this moment, the material in the hopper gets into the incinerator and burns, and steam and flue gas meet, compress against the flue gas, thereby reduced the influence that the in-process of burning the material caused to environment, safety and personnel health in the workshop.

Optionally, the steam nozzle is including installing steam pipeline one end the nozzle, set up sealing washer and spring in the nozzle, when not using, sealing washer with steam pipeline with the link looks butt of nozzle, the sealing washer is kept away from steam pipeline's one end is provided with the spring, the spring is kept away from the one end of sealing washer with the mouth looks butt of nozzle.

Through adopting above-mentioned technical scheme, when pneumatic control valve closed, when no steam gets into the nozzle, the sealing fin can be with steam pipeline shutoff under the spring effect, can avoid the flue gas granule dust etc. that carries in the incinerator to get into steam pipeline and pile up or cause corruption etc.. When the pneumatic control valve is opened, the sealing sheet is compressed under the action of vapor pressure, and the vapor enters the nozzle to be sprayed out to form vapor compression.

Optionally, the cross section of the nozzle is in an isosceles trapezoid shape, and the whole nozzle is in a 60-degree conical structure.

Through adopting above-mentioned technical scheme, conical structure setting makes nozzle spun steam pressure increase, can be in the twinkling of an eye with flue gas suppression return the incinerator to will promote the effect of flue gas suppression. And set to 60 for the opening diameter of nozzle is moderate, avoids the blowout inefficiency of steam, also avoids spouting excessive steam, causes the waste.

Optionally, a plurality of spray blocks are arranged on the bottom and the side wall of the nozzle, the spray blocks are communicated with the inside of the nozzle, the spray blocks are arranged at intervals along the length direction of the nozzle, and the diameter of the spray blocks is 1.5mm-3mm.

Through adopting above-mentioned technical scheme, the setting of a plurality of spouting the piece can make vapor can be followed a plurality of directions blowout, can all be on a large scale to the flue gas of every direction absorption. When the spray block is blocked by particles, the opening of the front pneumatic control valve can be adjusted to improve the steam pressure, the spring is further compressed, and the pressure in the nozzle is gradually increased until the blocking object is blown out.

Optionally, the feeding subassembly is including the cover establish the connecting cylinder outside the hopper and with connecting cylinder passes through inner wall sliding connection's push rod, the connecting cylinder is kept away from the one end of hopper inserts in the incinerator.

Through adopting above-mentioned technical scheme, the efficiency that the material got into can be promoted in the setting of feeding assembly, when the material was transferred into the connecting cylinder from the hopper, because the hopper is vertical setting, the pile up of material can probably produce. At this time, can start the push rod for the push rod slides from top to bottom, promotes the material phase forward, makes the material burn in can getting into the incinerator along the connecting cylinder.

Optionally, the end of the connecting cylinder is in a slope shape, and the distance between the end of the connecting cylinder and the center of the incinerator is gradually increased from the position close to the bottom of the incinerator to the top of the incinerator.

Through adopting above-mentioned technical scheme, thereby the connecting cylinder is slope form and makes the arrival that the material can be more smooth burn burning furnace in to can make the material more moderate from the connecting cylinder to burn the speed in the burning furnace, thereby guarantee the efficiency of material transmission, and the slope sets up, thereby make nozzle spun steam can be better with flue gas contact, promote the effect of suppression.

Optionally, a monitoring probe is inserted on the side wall of the hopper, and the monitoring probe is coupled with a controller, and the controller is coupled with a pneumatic control valve.

Through adopting above-mentioned technical scheme, be provided with the range value of gas concentration in the monitoring probe to gas concentration value and temperature in the hopper can the real-time supervision. When the monitored gas concentration and temperature exceed the set range values, a signal is transmitted to the controller, and the controller opens the pneumatic control valve, so that the smoke return can be started to be pressed; when the monitored gas concentration is within the set range value, a signal is transmitted to the controller, and the controller closes the pneumatic control valve to stop pressing.

Optionally, the one end that burns burning furnace is kept away from the hopper is connected with two combustion chambers, two combustion chambers with burn burning furnace perpendicular setting, the other end of two combustion chambers is provided with the suppression subassembly.

Through adopting above-mentioned technical scheme, for avoiding the insufficient of burning, so be provided with two combustion chamber, can follow the burning furnace and come out after, carry out the afterburning to the material for the material can be as far as possible complete combustion, reaches higher organic removal rate, and is provided with the suppression subassembly afterwards, thereby can press the flue gas that the afterburning produced away.

Optionally, the suppression subassembly is including installing two combustion chamber keep away from exhaust-heat boiler and the setting of the one end of burning furnace is kept away from to exhaust-heat boiler the flue gas suppression system of two combustion chamber one end, two combustion chamber with between the exhaust-heat boiler, exhaust-heat boiler with all pass through the pipe connection between the flue gas suppression system.

Through adopting above-mentioned technical scheme, need carry out the suppression of flue gas after the secondary burns at the secondary combustion chamber, reduce the condition that the flue gas that secondary burns produced overflows from the gap, and then guarantee that the flue gas of every link can all be less overflowed as far as possible, and exhaust-heat boiler further reduces the influence that causes to environment, safety and personnel's health in the in-process of burning the material in the workshop.

Optionally, the bottom of connecting cylinder is provided with the mounting bracket, the height of mounting bracket is greater than the height of burning furnace.

Through adopting above-mentioned technical scheme, the setting of mounting bracket provides more structure mildness for the connecting cylinder for the installation of connecting cylinder is more stable, because the push rod is reciprocating motion at the inner wall of connecting cylinder, so needs more stable structure to support. And the height of the mounting frame is greater than the height of the incinerator, so that the inclination angle of the connecting cylinder is suitable, and the feeding rate of incineration is ensured.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up feed assembly, the hopper, return the cigarette suppression subassembly, the vapor nozzle, the steam pipeline, pneumatic control valve and incinerator, when needs are suppressed the flue gas, open feed assembly, put into the material from the hopper, feed assembly pushes the material in from the hopper, open pneumatic control valve this moment, make the steam in the steam pipeline get into in the feed assembly from the vapor nozzle, at this moment, the material in the hopper gets into the incinerator and burns, high-pressure steam meets with the flue gas that the escape, suppress the flue gas, thus reduced the influence that causes environment, safety and personnel health in the workshop in the in-process of burning the material;

2. through having set up sealing washer and spring, when steam valve closed, when no steam gets into the nozzle, the sealing washer can be with steam pipeline shutoff under the spring effect, can avoid the flue gas granule dust etc. that carries in the incinerator to get into steam pipeline and cause to pile up or corrode etc.. When the pneumatic control valve is opened, the sealing sheet is compressed under the action of vapor pressure, and the vapor enters the nozzle to be sprayed out to form vapor compression;

3. through having set up monitor probe and controller, be provided with the range value of gas concentration in the monitor probe to can the gas concentration value in the real-time supervision hopper. When the monitored gas concentration exceeds the set range value, a signal is transmitted to the controller, and the controller opens the pneumatic control valve so that pressing can be started; when the monitored gas concentration is within the set range value, a signal is transmitted to the controller, and the controller closes the pneumatic control valve to stop pressing.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present application.

Fig. 2 is a schematic cross-sectional structure of the present application.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Reference numerals illustrate: 1. a feed assembly; 11. a connecting cylinder; 12. a push rod; 2. a hopper; 3. a smoke return pressing assembly; 31. a steam nozzle; 311. a nozzle; 312. a sealing sheet; 313. a spring; 32. a steam line; 33. a pneumatic control valve; 34. spraying blocks; 4. an incinerator; 5. a gate valve; 7. monitoring a probe; 8. a secondary combustion chamber; 9. a pressing assembly; 91. a waste heat boiler; 92. a flue gas compression system; 10. and (5) mounting a frame.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a hazardous waste incineration device returns cigarette suppression system.

Referring to fig. 1, 2 and 3, a hazardous waste incineration device return smoke suppressing system includes a feeding assembly 1 for assisting movement of materials, a hopper 2 disposed above the feeding assembly 1, a return smoke suppressing assembly 3 connected with the hopper 2, and an incinerator 4 communicating with the feeding assembly 1.

The hopper 2 is communicated with the feeding component 1, and a gate valve 5 for controlling the material to enter is inserted on the hopper 2. The smoke returning pressing assembly 3 is connected with the hopper 2, and the smoke returning pressing assembly 3 comprises a steam nozzle 31 penetrating through the hopper 2, a steam pipeline 32 connected with the steam nozzle 31 and a pneumatic control valve 33 arranged on the steam pipeline 32. The incinerator 4 is arranged at an end of the feed assembly 1 remote from the hopper 2.

When the flue gas needs to be pressed, the feeding component 1 is opened, materials are put into the feeding component 1 from the hopper 2, the feeding component 1 pushes the materials into the hopper 2, the pneumatic control valve 33 is opened at the moment, steam in the steam pipeline 32 enters the feeding component 1 from the steam nozzle 31, at the moment, the materials in the hopper 2 enter the incinerator 4 to be incinerated, high-pressure steam meets the scattered flue gas, and the flue gas is pressed, so that the influence on the environment, safety and personnel health of a workshop in the process of incinerating the materials is reduced.

Referring to fig. 2 and 3, the steam spray head 31 includes a nozzle 311 installed at one end of the steam line 32, a sealing plate 312 provided in the nozzle 311, and a spring 313, when not in use, the sealing plate 312 abuts against the connection end of the steam line 32 and the nozzle 311, the sealing plate 312 is provided with the spring 313 at one end far from the steam line 32, and the end of the spring 313 far from the sealing plate 312 abuts against the nozzle mouth of the nozzle 311.

When the pneumatic valve 33 is closed, and no steam enters the nozzle 311, the sealing piece 312 can seal the steam pipeline 32 under the action of the spring 313, so that the flue gas particles, dust and the like carried in the incinerator 4 can be prevented from entering the steam pipeline 32 to be accumulated or corroded and the like. When the air control valve 33 is opened, the sealing sheet 312 is compressed by the action of the vapor pressure, and the vapor is ejected into the nozzle 311 to form vapor compression.

Referring to fig. 3, a plurality of spray blocks 34 are provided on the bottom and side walls of the nozzle 311, the spray blocks 34 are communicated with the inside of the nozzle 311, the spray blocks 34 are arranged at intervals along the length direction of the nozzle 311, and the diameter of the spray blocks 34 is set to be 1.5mm-3mm. The cross section of the nozzle 311 is in an isosceles trapezoid shape, and the nozzle 311 has a 60-degree cone structure as a whole.

The plurality of spray blocks 34 can enable the water vapor to be sprayed from a plurality of directions, and the flue gas in each direction can be absorbed in a large range. When the spray block 34 is blocked by particulate matter, the opening of the front air control valve 33 can be adjusted to increase the steam pressure, the spring 313 is further compressed, and the pressure in the nozzle 311 is gradually increased until the blockage is blown out. The conical structure is arranged to increase the steam pressure sprayed out of the nozzle 311, so that the flue gas can be instantaneously pressed back to the incinerator, and the flue gas pressing effect is improved. And set to 60 for the opening diameter of nozzle 311 is moderate, avoids the blowout inefficiency of steam, also avoids spouting excessive steam, causes the waste.

Referring to fig. 1, the feeding assembly 1 includes a connection cylinder 11 sleeved outside the hopper 2 and a push rod 12 slidably connected to the connection cylinder 11 through an inner wall, and an end of the connection cylinder 11 remote from the hopper 2 is inserted into the incinerator 4. The end of the connecting cylinder 11 is inclined, and the distance from the end of the connecting cylinder 11 to the center of the incinerator 4 gradually increases from the bottom of the incinerator 4 to the top of the incinerator 4.

The connecting cylinder 11 is in a slope shape, so that materials can reach the incinerator 4 more smoothly, the speed of the materials from the connecting cylinder 11 to the incinerator 4 is more moderate, the efficiency of material transmission is guaranteed, and the connecting cylinder is obliquely arranged, so that water vapor sprayed out of the nozzle 311 can be better contacted with smoke, and the pressing effect is improved. The feeding assembly 1 is arranged to promote the efficiency of material entering, and when the material is transferred into the connecting cylinder 11 from the hopper 2, the stacking of the material can be generated due to the vertical arrangement of the hopper 2. At this time, the push rod 12 may be started, so that the push rod 12 slides up and down, pushing the material forward, so that the material can enter the incinerator 4 along the connecting cylinder 11 for incineration.

The bottom of the connecting cylinder 11 is provided with a mounting frame 10, and the height of the mounting frame 10 is greater than the height of the incinerator 4. The installation of the mounting bracket 10 provides more structural mildness for the connecting cylinder 11, so that the connecting cylinder 11 is more stable to install, and the push rod 12 reciprocates on the inner wall of the connecting cylinder 11, so that the connecting cylinder 11 needs to be supported by a more stable structure. And the height of the mounting frame 10 is larger than that of the incinerator 4, so that the inclination angle of the connecting cylinder 11 is suitable, and the feeding rate of incineration is ensured.

Referring to fig. 2, a monitoring probe 7 is inserted into a sidewall of the hopper 2, and the monitoring probe 7 is coupled to a controller (not shown) coupled to a pneumatic valve 33. The monitoring probe 7 is provided with a range value of the gas concentration, and can monitor the gas concentration value in the hopper 2 in real time. When the monitored gas concentration exceeds the set range value, a signal is sent to the controller, which opens the air control valve 33 so that pressing can be started; when the monitored gas concentration is within the set range value, a signal is sent to the controller, which closes the air control valve 33 to stop pressing.

Referring to fig. 1 and 2, one end of the incinerator 4 away from the hopper 2 is connected with a secondary combustion chamber 8, the secondary combustion chamber 8 is arranged perpendicular to the incinerator 4, and the other end of the secondary combustion chamber 8 is provided with a pressing assembly 9.

To avoid insufficient combustion, a secondary combustion chamber 8 is provided, which can carry out secondary combustion on the material after exiting the incinerator 4, so that the material can be completely combusted as much as possible, a higher removal rate of organic matters is achieved, and a pressing assembly 9 is provided later, so that flue gas generated by the secondary combustion can be pressed.

The pressing assembly 9 comprises a waste heat boiler 91 arranged at one end of the secondary combustion chamber 8 far away from the incinerator 4 and a flue gas pressing system 92 arranged at one end of the waste heat boiler 91 far away from the secondary combustion chamber 8, wherein the secondary combustion chamber 8 and the waste heat boiler 91 and the flue gas pressing system 92 are connected through pipelines.

When the secondary combustion chamber 8 needs to be subjected to secondary combustion, the condition that the smoke generated by secondary combustion overflows from the gaps is reduced, so that the smoke in each link can be ensured to be overflowed as little as possible, and the influence on the environment, safety and personnel health of a workshop in the process of burning materials is further reduced by the waste heat boiler 91.

The implementation principle of the return smoke pressing system of the hazardous waste incineration device is as follows: the implementation principle of the return smoke pressing system of the hazardous waste incineration device is as follows: when flue gas needs to be pressed, materials are placed in the hopper 2, the push rod 12 can be started, the push rod 12 can slide up and down, the materials are pushed forward, and the materials can enter the incinerator 4 along the connecting cylinder 11 to be incinerated. At this time, when the monitored gas concentration exceeds the set range value, a signal is transmitted to the controller, and the controller opens the air control valve 33 so that the steam in the steam line 32 enters the connecting cylinder 11 from the steam shower head 31; when the monitored gas concentration is within the set range value, a signal is sent to the controller, which closes the air control valve 33 to stop pressing. When the steam valve is closed, when no steam enters the nozzle 311, the sealing piece 312 can seal the steam pipeline 32 under the action of the spring 313, so that the accumulation or corrosion and the like caused by the entering of flue gas particles, dust and the like carried in the incinerator 4 into the steam pipeline 32 can be avoided. When the air control valve 33 is opened, the sealing sheet 312 is compressed by the action of the vapor pressure, and the vapor is ejected into the nozzle 311 to form vapor compression. After exiting the incinerator 4, the secondary combustion chamber 8 carries out secondary combustion on the materials.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a dangerous waste incineration device returns cigarette suppression system which characterized in that: comprising the following steps:

the feeding assembly (1) is used for assisting in conveying materials;

the hopper (2) is arranged above the feeding assembly (1) and is communicated with the feeding assembly (1), and a gate valve (5) for controlling the material to enter is inserted into the hopper (2);

the smoke return pressing assembly (3) is connected with the hopper (2) and comprises a steam nozzle (31) penetrating through the hopper (2), a steam pipeline (32) connected with the steam nozzle (31) and a pneumatic control valve (33) arranged on the steam pipeline (32);

and the incinerator (4) is communicated with the feeding assembly (1) and is arranged at one end, far away from the hopper (2), of the feeding assembly (1).

2. The hazardous waste incineration device return smoke suppression system according to claim 1, wherein: the steam nozzle (31) comprises a nozzle (311) arranged at one end of the steam pipeline (32), a sealing sheet (312) and a spring (313), wherein the sealing sheet (312) and the steam pipeline (32) are abutted against the connecting end of the nozzle (311) when the steam nozzle is not used, the spring (313) is arranged at one end, far away from the steam pipeline (32), of the sealing sheet (312), and one end, far away from the sealing sheet (312), of the spring (313) is abutted against the mouth of the nozzle (311).

3. A hazardous waste incineration device return smoke suppression system according to claim 2, characterised in that: the cross section of the nozzle (311) is in an isosceles trapezoid shape, and the nozzle (311) is in a 60-degree conical structure as a whole.

4. A hazardous waste incineration device return smoke suppression system according to any one of claims 2 or 3, characterised in that: the bottom and the side wall of the nozzle (311) are provided with a plurality of spray blocks (34), the spray blocks (34) are communicated with the inside of the nozzle (311), the spray blocks (34) are arranged at intervals along the length direction of the nozzle (311), and the diameter of the spray blocks (34) is 1.5-3 mm.

5. The hazardous waste incineration device return smoke suppression system according to claim 1, wherein: the feeding assembly (1) comprises a connecting cylinder (11) sleeved outside the hopper (2) and a push rod (12) slidably connected with the connecting cylinder (11) through the inner wall, and one end, far away from the hopper (2), of the connecting cylinder (11) is inserted into the incinerator (4).

6. The hazardous waste incineration device return smoke suppression system according to claim 5, wherein: the end part of the connecting cylinder (11) is in a slope shape, and the distance between the end part of the connecting cylinder (11) and the center of the incinerator (4) gradually increases from the position close to the bottom of the incinerator (4) to the top of the incinerator (4).

7. The hazardous waste incineration device return smoke suppression system according to claim 5, wherein: a monitoring probe (7) is inserted on the side wall of the hopper (2), the monitoring probe (7) is coupled with a controller, and the controller is coupled with a pneumatic control valve (33).

8. The hazardous waste incineration device return smoke suppression system according to claim 1, wherein: one end of the incinerator (4) far away from the hopper (2) is connected with a secondary combustion chamber (8), the secondary combustion chamber (8) is perpendicular to the incinerator (4), and the other end of the secondary combustion chamber (8) is provided with a pressing component (9).

9. The hazardous waste incineration device return smoke suppression system according to claim 8, wherein: the pressing assembly (9) comprises a waste heat boiler (91) arranged at one end of the secondary combustion chamber (8) far away from the incinerator (4) and a flue gas pressing system (92) arranged at one end of the secondary combustion chamber (8) far away from the waste heat boiler (91), wherein the secondary combustion chamber (8) is connected with the waste heat boiler (91) and the waste heat boiler (91) is connected with the flue gas pressing system (92) through pipelines.

10. The hazardous waste incineration device return smoke suppression system according to claim 6, wherein: the bottom of connecting cylinder (11) is provided with mounting bracket (10), the height of mounting bracket (10) is greater than the height of burning furnace (4).