CN212594848U - Tail gas treatment device for waste incineration - Google Patents
Tail gas treatment device for waste incineration Download PDFInfo
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- CN212594848U CN212594848U CN202020190124.1U CN202020190124U CN212594848U CN 212594848 U CN212594848 U CN 212594848U CN 202020190124 U CN202020190124 U CN 202020190124U CN 212594848 U CN212594848 U CN 212594848U
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Abstract
The utility model discloses a tail gas processing apparatus for msw incineration, including cooling tube, water tank, gas washing device, the cooling tube is followed pass in the water tank for the radiating rate avoids thermal waste, the gas washing device includes gas washing case, air inlet, blast pipe, gas-washing liquid pipe, trades the liquid pipe, can wash the poisonous and harmful substance who burns in the tail gas of burning, avoids causing the pollution to the environment, the utility model discloses can effectively utilize burning the heat that tail gas contains, the gas washing effect that also can guarantee to wash the gas liquid simultaneously is stable.
Description
Technical Field
The utility model belongs to the technical field of refuse treatment, concretely relates to tail gas processing apparatus for msw incineration.
Background
The garbage incineration is one of the main methods for urban garbage disposal, and combines the incineration treatment with the thermal decomposition and melting treatment at high temperature (1650-.
Waste can produce a large amount of heats when burning, the heat not only can stop in burning the residue, the tail gas that burns the production also can have a large amount of heats greatly, the temperature is higher, current tail gas processing apparatus for msw incineration is when handling the tail gas that burns of high temperature, the heat that burns tail gas and bring probably makes the temperature rise of washing the gas-liquid, add unstable active substance in the quick washing gas-liquid and volatilize, influence processing apparatus and to the treatment effect of tail gas, lead to still leaving harmful substance in the tail gas of processing completion, pollute the external environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tail gas processing apparatus for msw incineration for solve the technical problem who exists among the prior art, if: waste can produce a large amount of heats when burning, the heat not only can stop in burning the residue, the tail gas that burns the production also can have a large amount of heats greatly, the temperature is higher, current tail gas processing apparatus for msw incineration is when handling the tail gas that burns of high temperature, the heat that burns tail gas and bring probably makes the temperature rise of washing the gas-liquid, add unstable active substance in the quick washing gas-liquid and volatilize, influence processing apparatus and to the treatment effect of tail gas, lead to still leaving harmful substance in the tail gas of processing completion, pollute the external environment.
In order to achieve the above object, the utility model adopts the following technical scheme:
a tail gas treatment device for waste incineration comprises an incineration device, a radiating pipe, a water tank and a gas washing device;
the incineration device comprises an outer box, an inner box, an igniter, a filter plate and a sewage pipe, wherein the inner box is arranged inside the outer box, the inner box is fixedly connected with the top end of the outer box, the upper part of the side edge of the inner box is provided with an air outlet, the top of the inner box is provided with an access door, the filter plate is arranged at the lower part inside the inner box, the sewage pipe is arranged at the bottom end of the inner box, the sewage pipe extends to the outside of the outer box, the sewage valve is arranged on the sewage pipe, the igniter is arranged at the side edge of the outer box, the igniter is provided with a long-handle fire-spraying pipe, the long-handle fire-spraying pipe extends to the inside of the inner box, the outlet of the long-handle fire-spraying pipe is positioned above the filter plate, and the radiating pipe is;
the radiating pipe penetrates through the water tank, a water inlet pipe is arranged at the top end of the water tank, and a water outlet pipe is arranged at the bottom end of the water tank;
the gas washing device comprises a gas washing box, a gas inlet, an exhaust pipe, a gas washing liquid pipe and a liquid changing pipe, wherein one side of the top end of the gas washing box is provided with the gas inlet, one end of the radiating pipe is connected with the gas inlet, the radiating pipe stretches into the gas washing box and is arranged below the liquid level of the gas washing liquid in the gas washing box, the exhaust pipe is arranged at the top end of the gas washing box, the bottom end of the exhaust pipe is higher than the liquid level of the gas washing liquid in the gas washing box, the gas washing liquid pipe is arranged at the other side of the top end of the gas washing box, and the liquid changing pipe is arranged.
Furthermore, the air washing box is made of heat-insulating materials.
Further, the outer box is made of heat preservation materials.
Furthermore, a pressure valve is arranged at the joint of the radiating pipe and the outer box.
Furthermore, a water inlet valve is arranged on the water inlet pipe.
Furthermore, a drain valve is arranged on the drain pipe.
The inner box is arranged in the outer box, garbage is placed into the inner box for incineration treatment, tail gas generated by incineration enters the outer box through the gas outlet and is temporarily stored, the temperature of the incineration tail gas is high, the tail gas can surround the inner box where the garbage in incineration is located when stored in the outer box, the high temperature of the incineration tail gas in the outer box is used for ensuring that the temperature in the inner box is high enough, the incineration degree of the garbage in the inner box is improved, harmful substances of unknown components generated by incomplete combustion of the garbage are avoided, and the pollution of the garbage incineration tail gas to the environment is reduced;
the filter partition plate can separate sewage in the garbage for incineration treatment, so that on one hand, the problem that the garbage at the bottom is soaked in the sewage and cannot be incinerated to cause incomplete combustion of the garbage to generate toxic and harmful substances with unknown components can be avoided, the incineration effect is promoted, on the other hand, the problem that ignition is difficult due to over-moist garbage is avoided, the consumption of ignition fuel is reduced, and the use amount of resources is reduced;
the sewage can stay on the filter plate for a period of time before passing through the filter plate, and the outlet of the long-handle flame-spraying pipe is positioned above the filter plate and is not in contact with the filter plate, so that the corrosion of the sewage to the long-handle flame-spraying pipe is avoided;
sewage can be discharged from the inner box through the sewage pipe, so that the sewage is prevented from accumulating in the inner box to influence the normal operation of the device;
when the inner box and the outer box are used for carrying out waste incineration work, the internal temperature is high, an ignition device and fuel are arranged in the igniter and can be detonated by high temperature, and the igniter is arranged on the side edge of the outer box, so that direct contact with a high-temperature area is avoided, and the safety of the device is ensured;
the tail gas after incineration is provided with a large amount of heat, the radiating pipe penetrates through the water tank, so that the water in the water tank absorbs the heat of the incinerated tail gas in the radiating pipe, the temperature of the water in the water tank is increased, the heated water can be used for other treatment, and the waste of heat is avoided;
the garbage incineration tail gas after heat dissipation enters the gas washing tank, toxic and harmful components in the tail gas react with the gas washing liquid to be absorbed or converted, and then the tail gas is discharged into the external environment through the exhaust pipe, so that the influence on the environment is small, and the environment is protected;
the liquid exchange pipe can discharge the gas washing liquid with weakened gas washing effect after multiple reactions, and the gas washing liquid pipe injects new gas washing liquid into the liquid exchange pipe, so that the gas washing device has obvious and stable treatment effect on the incineration tail gas;
the water tank is made of heat insulation materials, so that heat loss caused by heat exchange between water in the water tank and outside air is avoided;
the outer box is made of a heat insulation material, so that heat loss caused by heat exchange between incineration tail gas in the outer box and external air is avoided;
the cooling tube with the junction of outer container is provided with the pressure valve, guarantees to burn tail gas and is in the dwell time in the outer container is enough long, guarantees the msw incineration effect in the inner box.
Further, a heat insulation plate is arranged between the fuel barrel of the igniter and the outer box.
Furthermore, a filter screen is arranged in the air outlet.
Further, as shown, the filter screen abuts against the stop collar.
Further, a sealing ring is arranged at the air inlet.
Furthermore, a one-way valve is arranged in the air inlet.
Further, there is the rubber buffer on the blast pipe with the gas washing case contact department.
Furthermore, a liquid changing valve is arranged on the liquid changing pipe.
A heat insulation plate is arranged between the fuel barrel of the igniter and the outer box, so that the fuel barrel is prevented from being affected by high-temperature incineration tail gas in the outer box to cause temperature rise to cause explosion, and the safety of the device is ensured;
a filter screen is arranged in the air outlet, so that dust which is generated by waste incineration and can float in the air is prevented from entering the gas washing device along with the incineration tail gas to pollute the gas washing liquid;
the filter screen is close to the limiting ring, so that the filter screen is prevented from loosening;
a sealing ring is arranged at the air inlet to ensure the air tightness of the device;
be provided with the check valve in the air inlet, avoid the washing gas liquid to pass through the pipeline refluence.
The utility model has the beneficial technical effects that: (1) the inner box is arranged in the outer box, garbage is placed into the inner box for incineration treatment, tail gas generated by incineration enters the outer box through the gas outlet and is temporarily stored, the temperature of the incineration tail gas is high, the tail gas can surround the inner box where the garbage in incineration is located when stored in the outer box, the high temperature of the incineration tail gas in the outer box is used for ensuring that the temperature in the inner box is high enough, the incineration degree of the garbage in the inner box is improved, harmful substances of unknown components generated by incomplete combustion of the garbage are avoided, and the pollution of the garbage incineration tail gas to the environment is reduced;
(2) the filter partition plate can separate sewage in the garbage for incineration treatment, so that on one hand, the problem that the garbage at the bottom is soaked in the sewage and cannot be incinerated to cause incomplete combustion of the garbage to generate toxic and harmful substances with unknown components can be avoided, the incineration effect is promoted, on the other hand, the problem that ignition is difficult due to over-moist garbage is avoided, the consumption of ignition fuel is reduced, and the use amount of resources is reduced;
(3) the sewage can stay on the filter plate for a period of time before passing through the filter plate, and the outlet of the long-handle flame-spraying pipe is positioned above the filter plate and is not in contact with the filter plate, so that the corrosion of the sewage to the long-handle flame-spraying pipe is avoided;
(4) sewage can be discharged from the inner box through the sewage pipe, so that the sewage is prevented from accumulating in the inner box to influence the normal operation of the device;
(5) when the inner box and the outer box are used for carrying out waste incineration work, the internal temperature is high, an ignition device and fuel are arranged in the igniter and can be detonated by high temperature, and the igniter is arranged on the side edge of the outer box, so that direct contact with a high-temperature area is avoided, and the safety of the device is ensured;
(6) the tail gas after incineration is provided with a large amount of heat, the radiating pipe penetrates through the water tank, so that the water in the water tank absorbs the heat of the incinerated tail gas in the radiating pipe, the temperature of the water in the water tank is increased, the heated water can be used for other treatment, and the waste of heat is avoided;
(7) the garbage incineration tail gas after heat dissipation enters the gas washing tank, toxic and harmful components in the tail gas react with the gas washing liquid to be absorbed or converted, and then the tail gas is discharged into the external environment through the exhaust pipe, so that the influence on the environment is small, and the environment is protected;
(8) the liquid exchange pipe can discharge the gas washing liquid with weakened gas washing effect after multiple reactions, and the gas washing liquid pipe injects new gas washing liquid into the liquid exchange pipe, so that the gas washing device has obvious and stable treatment effect on the incineration tail gas;
(9) the water tank is made of heat insulation materials, so that heat loss caused by heat exchange between water in the water tank and outside air is avoided;
(10) the outer box is made of a heat insulation material, so that heat loss caused by heat exchange between incineration tail gas in the outer box and external air is avoided;
(11) the cooling tube with the junction of outer container is provided with the pressure valve, guarantees to burn tail gas and is in the dwell time in the outer container is enough long, guarantees the msw incineration effect in the inner box.
Drawings
Fig. 1 is a front view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of an incineration apparatus according to embodiment 1 of the present invention.
Fig. 3 is a schematic view of a filter screen according to embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of a gas scrubber according to embodiment 1 of the present invention.
In the figure: 1-inner box, 2-outer box, 3-filter plate, 4-inlet and outlet door, 5-gas outlet, 6-igniter, 7-support column, 8-sewage pipe, 9-radiating pipe, 10-water tank, 11-gas washing box, 12-gas exhaust pipe, 13-gas washing pipe, 14-liquid exchange pipe, 15-gas inlet, 61-fuel barrel, 62-long handle fire spraying pipe, 63-heat insulation plate, 101-water inlet pipe and 102-water outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4 of the present invention, and it should be apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1, a tail gas treatment device for waste incineration comprises an incineration device, a heat dissipation pipe 9, a water tank 10 and a gas washing device;
as shown in fig. 2, the incineration device comprises an outer box 1, an inner box 2, an igniter 6, a filter plate 3 and a sewage pipe 8, the inner box 2 is arranged inside the outer box 1, the inner box 2 is fixedly connected with the top end of the outer box 1, an air outlet 5 is arranged at the upper part of the side edge of the inner box 2, an access door 4 is arranged at the top of the inner box 2, the filter plate 3 is arranged at the lower part in the inner box 2, the sewage pipe 8 is arranged at the bottom end of the inner box 2, the sewage pipe 8 extends to the outside of the outer box 1, a sewage valve is arranged on the sewage pipe 8, the igniter 6 is arranged at the side of the outer box 1, a long-handle flame spraying pipe 62 is arranged on the igniter 6, the long-handle flame-spraying pipe 62 extends into the inner box 2, the outlet of the long-handle flame-spraying pipe 62 is positioned above the filter partition plate 3, and the radiating pipe 9 is connected with the side edge of the outer box 1;
the radiating pipe 9 penetrates through the water tank 10, the top end of the water tank 10 is provided with a water inlet pipe 101, and the bottom end of the water tank 10 is provided with a water outlet pipe 102;
as shown in fig. 4, the gas washing device includes gas washing case 11, air inlet 15, blast pipe 12, gas washing liquid pipe 13, liquid changing pipe 14, 11 top one side of gas washing case is provided with air inlet 15, 9 one ends of cooling tube are passed through air inlet 15 stretches into in the gas washing case 11, just the cooling tube 9 stretches into below the gas washing liquid level in the gas washing case 11, blast pipe 12 sets up 11 tops of gas washing case, 12 bottoms of blast pipe are higher than the gas washing liquid level in the gas washing case 11, gas washing liquid pipe 13 sets up gas washing case 11 top opposite side, liquid changing pipe 14 sets up gas washing case 11 bottom.
Further, the air washing box 11 is made of heat insulation materials.
Further, the outer box 1 is made of heat-insulating materials.
Further, a pressure valve is arranged at the joint of the radiating pipe 9 and the outer box 1.
Furthermore, a water inlet valve is arranged on the water inlet pipe 101.
Further, a drain valve is disposed on the drain pipe 102.
Example 1 working principle overview: the inner box 2 is arranged in the outer box 1, garbage is placed into the inner box 2 for incineration treatment, tail gas generated by incineration enters the outer box through the gas outlet 5 and is temporarily stored, the temperature of the incineration tail gas is high, the tail gas can surround the inner box 2 where the garbage in incineration is located when being stored in the outer box 1, the temperature in the inner box 1 is high enough through the high temperature of the incineration tail gas in the outer box 1, the incineration degree of the garbage in the inner box 2 is improved, harmful substances of unknown components generated by incomplete combustion of the garbage are avoided, and pollution of the garbage incineration tail gas to the environment is reduced;
the filter partition plate 3 can separate sewage in the garbage for incineration treatment, so that on one hand, the situation that the garbage at the bottom is soaked in the sewage and cannot be incinerated to cause incomplete combustion of the garbage to generate toxic and harmful substances with unknown components can be avoided, the incineration effect is promoted, on the other hand, the situation that ignition is difficult due to the fact that the garbage is too humid is avoided, the consumption of ignition fuel is reduced, and the use amount of resources is reduced;
the sewage stays on the filter plate 3 for a period of time before passing through the filter plate 3, and the outlet of the long-handle flame spraying pipe 62 is positioned above the filter plate 3 and is not in contact with the filter plate 3, so that the corrosion of the sewage to the long-handle flame spraying pipe 62 is avoided;
sewage can be discharged from the inner box 2 through the sewage pipe 8, so that the sewage is prevented from accumulating in the inner box 2 to influence the normal operation of the device;
when the inner box 2 and the outer box 1 are used for carrying out waste incineration work, the internal temperature is high, an ignition device and fuel are arranged in the igniter 6 and can be detonated by high temperature, and the igniter 6 is arranged on the side edge of the outer box 1, so that direct contact with a high-temperature area is avoided, and the safety of the device is ensured;
the tail gas after incineration is provided with a large amount of heat, the radiating pipe 9 passes through the water tank 10, the water in the water tank 10 absorbs the heat of the incineration tail gas in the radiating pipe 9, the temperature of the water in the water tank 10 is raised, and the heated water can be used for other treatment, so that the waste of heat is avoided;
the garbage incineration tail gas after heat dissipation enters the gas washing tank 11, toxic and harmful components in the tail gas react with the gas washing liquid to be absorbed or converted, and then the tail gas is discharged into the external environment through the exhaust pipe 12, so that the influence on the environment is small, and the environment is protected;
the liquid change pipe 14 can discharge the scrubbing liquid with weakened scrubbing effect after multiple reactions, and the scrubbing liquid pipe 13 injects new scrubbing liquid into the liquid change pipe, so that the treatment effect of the scrubbing device on the incineration tail gas is remarkable and stable;
the water tank 10 is made of a heat insulation material, so that heat loss caused by heat exchange between water in the water tank 10 and outside air is avoided;
the outer box 1 is made of a heat insulation material, so that heat exchange between incineration tail gas in the outer box 1 and external air is avoided, and heat loss is avoided;
the cooling tube 9 with the junction of outer container 1 is provided with the pressure valve, guarantees to burn tail gas and is in the dwell time in the outer container 1 is enough long, guarantees the msw incineration effect in the inner box 2.
Example 2:
in addition to embodiment 1, a heat insulating plate 63 is further provided between the fuel tank 61 of the igniter 6 and the outer case 1.
Further, a filter screen 51 is arranged in the air outlet 5.
Further, as shown in fig. 4, the filter screen 51 abuts against the stop collar 52.
Further, a sealing ring is arranged at the air inlet 15.
Further, a check valve is arranged in the air inlet 15.
Further, there is the rubber buffer on the blast pipe 12 with gas washing case 11 contact department.
Further, a liquid changing valve is arranged on the liquid changing pipe 14.
Example 2 working principle overview: a heat insulation plate 63 is arranged between the fuel barrel 61 of the igniter 6 and the outer box 1, so that the fuel barrel 61 is prevented from being affected by high-temperature incineration tail gas in the outer box 1 to cause temperature rise to cause explosion, and the safety of the device is ensured;
a filter screen 51 is arranged in the air outlet 5, so that dust which is generated by waste incineration and can float in the air is prevented from entering the gas washing device along with the incineration tail gas to pollute the gas washing liquid;
the filter screen 51 is abutted against the limiting ring 52, so that the filter screen 51 is prevented from loosening;
a sealing ring is arranged at the air inlet 15 to ensure the air tightness of the device;
a one-way valve is arranged in the air inlet 15 to prevent the washing liquid from flowing back through a pipeline.
In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Claims (8)
1. The tail gas treatment device for waste incineration is characterized by comprising a radiating pipe (9), a water tank (10) and a gas washing device;
the radiating pipe (9) penetrates through the water tank (10), a water inlet pipe (101) is arranged at the top end of the water tank (10), and a water outlet pipe (102) is arranged at the bottom end of the water tank (10);
the gas washing device comprises a gas washing box (11), a gas inlet (15), an exhaust pipe (12), a gas washing liquid pipe (13) and a liquid changing pipe (14), wherein the gas washing box (11) is provided with one side of the top end of the gas washing box (11), one end of a radiating pipe (9) is passed through the gas inlet (15) and stretches into the gas washing box (11), the radiating pipe (9) stretches into the gas washing liquid in the gas washing box (11) and is arranged below the liquid level of the gas washing liquid, the exhaust pipe (12) is arranged at the top end of the gas washing box (11), the bottom end of the exhaust pipe (12) is higher than the liquid level of the gas washing liquid in the gas washing box (11), the gas washing liquid pipe (13) is arranged at the other side of the top end of the gas washing box (11), and the liquid changing pipe (14) is arranged at the bottom end of the gas.
2. The tail gas treatment device for waste incineration according to claim 1, wherein the water tank (10) is made of a heat insulation material.
3. The tail gas treatment device for waste incineration according to claim 1, wherein a water inlet valve is arranged on the water inlet pipe (101).
4. The tail gas treatment device for waste incineration according to claim 1, wherein a drain valve is arranged on the drain pipe (102).
5. The tail gas treatment device for waste incineration according to claim 4, wherein a sealing ring is arranged at the gas inlet (15).
6. The tail gas treatment device for waste incineration according to claim 5, wherein a one-way valve is arranged in the gas inlet (15).
7. The tail gas treatment device for waste incineration according to claim 6, wherein a rubber plug is arranged on the exhaust pipe (12) at a contact position with the gas washing tank (11).
8. The tail gas treatment device for waste incineration according to claim 7, wherein a liquid change valve is arranged on the liquid change pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020190124.1U CN212594848U (en) | 2020-02-19 | 2020-02-19 | Tail gas treatment device for waste incineration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020190124.1U CN212594848U (en) | 2020-02-19 | 2020-02-19 | Tail gas treatment device for waste incineration |
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| Publication Number | Publication Date |
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| CN212594848U true CN212594848U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020190124.1U Active CN212594848U (en) | 2020-02-19 | 2020-02-19 | Tail gas treatment device for waste incineration |
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| CN (1) | CN212594848U (en) |
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