CN211753776U - Cremation machine tail gas treatment system - Google Patents
Cremation machine tail gas treatment system Download PDFInfo
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- CN211753776U CN211753776U CN202020125877.4U CN202020125877U CN211753776U CN 211753776 U CN211753776 U CN 211753776U CN 202020125877 U CN202020125877 U CN 202020125877U CN 211753776 U CN211753776 U CN 211753776U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 239000000428 dust Substances 0.000 claims abstract description 28
- 239000000919 ceramic Substances 0.000 claims abstract description 27
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 24
- 230000023556 desulfurization Effects 0.000 claims abstract description 22
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 12
- 239000012716 precipitator Substances 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 6
- 241000736911 Turritella communis Species 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008676 import Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229910001385 heavy metal Inorganic materials 0.000 description 1
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- 239000002957 persistent organic pollutant Substances 0.000 description 1
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Abstract
The utility model provides a cremation machine tail gas processing system. The system comprises a denitration dust removal tower, a desulfurization tower, an electric precipitator and a fan; leading tail gas of a cremator into a first preheating pipeline of the pin-removing and dust-removing tower so as to heat the pin-removing and dust-removing tower; guiding the tail gas preheated for the pin-removing and dust-removing tower into a second preheating pipeline of the desulfurizing tower to preheat the desulfurizing tower; leading the tail gas preheated for the desulfurizing tower into an electric precipitator for tail gas dust removal; guiding the tail gas dedusted by the electric precipitator into a reaction cavity of a desulfurizing tower, and starting a desulfurizing spray gun for desulfurization; leading the desulfurized tail gas into a ceramic fiber filter pipe of a pin-removing dust removal tower for secondary filtration and dust removal; guiding the tail gas passing through the ceramic fiber filter pipe into an inner cavity of the denitration module, and starting the denitration spray gun to perform denitration; and (4) enabling the tail gas after denitration to pass through a fan milk-pumping chimney. The advantages are that: a better treatment effect is achieved by preheating the catalytic device; energy is recycled; simple structure, rationally distributed, reduce cost.
Description
Technical Field
The utility model relates to a cremation machine tail gas processing system.
Background
Along with the deterioration of environmental protection, the requirement on environmental protection is higher and higher, and in the funeral industry, pollutants in the tail gas of a cremation furnace comprise four categories of acid gas, particulate matters (dust), heavy metals and organic pollutants (dioxin and the like), and if the tail gas emission of the cremation furnace is not controlled, the environment is seriously polluted. In the prior art, a desulfurization and denitrification tower is adopted to treat tail gas, but the reaction process in the desulfurization and denitrification tower needs to meet certain temperature requirements (generally about 25 ℃), and if the tail gas is directly treated without preheating, the treatment effect is poor, and the tail gas emission still does not reach the standard.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tail gas treatment system of a cremation machine, which solves the technical problem that the prior tail gas treatment system has poor treatment effect because the reaction temperature can not be reached; the utility model also provides a cremation machine tail gas processing method.
The utility model discloses a cremation machine tail gas processing system's technical scheme is realized like this: cremation machine tail gas processing system includes: the device comprises a denitration dust removal tower, a desulfurization tower, an electric precipitator and a fan;
the denitration dust removal tower is used for denitration and dust removal of tail gas and comprises a denitration module and a ceramic fiber filter pipe which are connected in series, a denitration spray gun is inserted on a communication pipeline of the denitration module and the ceramic fiber filter pipe, a first preheating pipeline is attached to the denitration module and the ceramic fiber filter pipe and is provided with a first inlet and a first outlet, and the first inlet is used for being connected with a tail gas outlet of a cremation machine;
the desulfurization tower is used for desulfurizing tail gas and comprises a reaction cavity and a second preheating pipeline which are mutually attached, a desulfurization spray gun is inserted in the reaction cavity, the second preheating pipeline is provided with a second inlet and a second outlet, and the second inlet is communicated with the first outlet; the reaction cavity is provided with a reaction inlet and a reaction outlet;
the electric capture dust remover is used for removing dust for the tail gas and is provided with an electric capture inlet and an electric capture outlet, the electric capture inlet is communicated with the second outlet, the electric capture outlet is communicated with the reaction inlet, the reaction outlet is communicated with the inlet of the ceramic fiber filter pipe, and the outlet of the ceramic fiber filter pipe is communicated with the inlet of the denitration module;
the fan is used for providing power for the tail gas flow, and the import of fan and the export intercommunication of denitration module, the export of fan are used for leading-in chimney.
On the basis of the scheme, the denitration dust removal tower comprises two tower bodies arranged in parallel, the denitration module and the ceramic fiber filter pipe are respectively arranged in the two tower bodies, the upper parts of the two tower bodies are communicated, and the first preheating pipeline is attached to the outer parts of the two tower bodies.
On the basis of the scheme, the method is further improved in that the communicating pipe at the upper parts of the two tower bodies penetrates through the first preheating pipeline.
On the basis of the scheme, the method is further improved in that the first preheating pipelines are arranged on the two tower bodies in an S shape.
On the basis of the scheme, the method is further improved in that the first inlet of the first preheating pipeline is positioned below, and the first outlet is positioned above.
On the basis of the scheme, the method is further improved in that the airflow direction in the first preheating pipeline is opposite to the airflow direction of the desulfurization module and the ceramic fiber filter pipe.
On the basis of the scheme, the desulfurization tower is further improved to be that the desulfurization tower comprises a cylindrical tower shell, the second preheating pipeline comprises two parts, namely a central pipe coaxially arranged in the tower shell and an outer sleeve coaxially sleeved outside the tower shell, and the central pipe is communicated with the outer sleeve through an inclined pipe penetrating through the tower shell.
By adopting the technical scheme, the beneficial effects of the utility model are that: compared with the prior art, the utility model has the advantages that: (1) a better treatment effect is achieved by preheating the catalytic device; the device for denitration and desulfurization is preheated by utilizing the heat of the tail gas, so that the ideal temperature is about 25 ℃, the reaction efficiency is improved to the maximum extent, the denitration and desulfurization effects are better, the tail gas is treated more cleanly, and the tail gas pollution is reduced; (2) the energy is recycled, the heat of the tail gas is utilized, additional heating is not needed, the energy is recycled, and the energy utilization rate is improved; (3) simple structure, it is rationally distributed, only through changing equipment into the bilayer structure of laminating each other, the one deck is used for normal reaction, and another layer is used for preheating through tail gas, and the cooperation carries out the change of pipeline, need not to purchase new equipment again, only needs to improve old equipment and can use, reduce cost improves the income.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a process flow diagram of the cremation machine exhaust gas treatment system of the present invention;
FIG. 2 is a block flow diagram of a process for treating a tail gas from a cremator;
wherein: 1-cremator, 2-denitration dust removal tower, 21-tower body, 22-denitration module, 23-ceramic fiber filter tube, 24-denitration spray gun, 25-first preheating pipeline, 251-first inlet, 252-first outlet, 3-desulfurization tower, 31-tower shell, 311-reaction cavity, 301-reaction inlet, 302-reaction outlet, 32-second preheating pipeline, 321-central pipe, 322-outer sleeve, 323-inclined pipe, 324-second inlet, 325-second outlet, 33-desulfurization spray gun, 4-electric catching dust remover, 41-electric catching inlet, 42-electric catching outlet, 5-fan and 6-chimney.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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.
The utility model discloses a cremation machine tail gas processing system's embodiment: as shown in fig. 1, the cremator exhaust gas treatment system includes: denitration dust removal tower, desulfurizing tower, electric dust catcher and fan.
Denitration gas wash tower is used for tail gas denitration and dust removal, including denitration module and the ceramic fiber filter tube of establishing ties each other, inserts on the communicating pipe of denitration module and ceramic fiber filter tube and is equipped with the denitration spray gun, and denitration module and ceramic fiber filter tube still paste outward and be equipped with first preheating pipe way, and first preheating pipe way has first import and first export, and first import is used for connecting the tail gas export of cremation machine. Denitration gas wash tower includes two tower bodies that set up side by side, denitration module and ceramic fiber filter tube are established in two tower bodies, and the upper portion of two tower bodies communicates, first preheating pipe pastes the outside of establishing at two tower bodies. The communicating pipe at the upper parts of the two tower bodies penetrates through the first preheating pipeline. The first preheating pipelines are arranged on the two tower bodies in an S shape. The first inlet of the first preheating pipeline is positioned below, and the first outlet of the first preheating pipeline is positioned above. The airflow direction in the first preheating pipeline is opposite to the airflow direction of the desulfurization module and the ceramic fiber filter pipe.
The desulfurization tower is used for desulfurizing tail gas and comprises a reaction cavity and a second preheating pipeline which are mutually attached, a desulfurization spray gun is inserted in the reaction cavity, the second preheating pipeline is provided with a second inlet and a second outlet, and the second inlet is communicated with the first outlet; the reaction chamber has a reaction inlet and a reaction outlet. The desulfurizing tower comprises a cylindrical tower shell, the second preheating pipeline comprises two parts, namely a central pipe coaxially arranged in the tower shell and an outer sleeve coaxially sleeved outside the tower shell, and the central pipe is communicated with the outer sleeve through an inclined pipe penetrating through the tower shell.
The electric capture dust remover is used for removing dust for tail gas and is provided with an electric capture inlet and an electric capture outlet, the electric capture inlet is communicated with the second outlet, the electric capture outlet is communicated with the reaction inlet, the reaction outlet is communicated with the inlet of the ceramic fiber filter pipe, and the outlet of the ceramic fiber filter pipe is communicated with the inlet of the denitration module.
The fan is used for providing power for the tail gas flow, and the import of fan and the export intercommunication of denitration module, the export of fan are used for leading-in chimney.
In this embodiment: the structures and the use methods of the electric dust collector and the fan are the same as those of the prior art, and are not described in detail; inside denitration of desulfurizing tower and denitration gas wash tower, structure and the principle of desulfurization and ceramic fiber filter tube are the same with prior art, and the difference is, as shown in fig. 1, the structure to the tower shell of desulfurizing tower and the tower body of denitration gas wash tower has improved for it can realize conveniently setting up first preheating pipe way and second preheating pipe way, makes things convenient for the tail gas to get into the back and realizes better purpose to tower shell and tower body preheating.
In other embodiments, the structure of the first preheating pipe and the second preheating pipe is not limited to the structure shown in fig. 1, and may be replaced by a spiral pipe wound around the outer periphery of the tower body and the tower shell, or a spiral pipe provided inside the tower shell and the tower body; of course, in order to further increase the heat exchange area, the heat exchange area can be replaced by S-shaped arranged pipelines.
The embodiment of the utility model discloses a cremation machine tail gas processing method: as shown in fig. 2, the method for treating tail gas of a cremator comprises the following steps:
s10, leading tail gas of the cremator into a first preheating pipeline of the pin-removing dust-removing tower so as to heat the pin-removing dust-removing tower;
s20, guiding the tail gas preheated for the pin-removing and dust-removing tower into a second preheating pipeline of the desulfurizing tower to preheat the desulfurizing tower;
s30, guiding the tail gas preheated for the desulfurizing tower into an electric precipitator for tail gas dust removal;
s40, guiding the tail gas dedusted by the electric precipitator into a reaction cavity of a desulfurizing tower, and starting a desulfurizing spray gun for desulfurization;
s50, leading the desulfurized tail gas into a ceramic fiber filter pipe of a pin-removing dust-removing tower for secondary filtration and dust removal;
s60, guiding the tail gas passing through the ceramic fiber filter pipe into an inner cavity of the denitration module, and starting the denitration spray gun to carry out denitration;
and S70, passing the tail gas after denitration through a fan milk-pumping chimney.
In this embodiment, set up temperature sensor everywhere in denitration gas wash tower and desulfurizing tower, set up monitoring module and each temperature sensor control connection to real-time supervision reaction temperature. Gas composition online detection devices are arranged at gas outlets of the denitration dust removal tower, the desulfurization tower and the electric precipitator and are used for detecting the concentration of pollutants in tail gas in real time.
The utility model has the advantages that: (1) a better treatment effect is achieved by preheating the catalytic device; the device for denitration and desulfurization is preheated by utilizing the heat of the tail gas, so that the ideal temperature is about 25 ℃, the reaction efficiency is improved to the maximum extent, the denitration and desulfurization effects are better, the tail gas is treated more cleanly, and the tail gas pollution is reduced; (2) the energy is recycled, the heat of the tail gas is utilized, additional heating is not needed, the energy is recycled, and the energy utilization rate is improved; (3) simple structure, it is rationally distributed, only through changing equipment into the bilayer structure of laminating each other, the one deck is used for normal reaction, and another layer is used for preheating through tail gas, and the cooperation carries out the change of pipeline, need not to purchase new equipment again, only needs to improve old equipment and can use, reduce cost improves the income.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Cremation machine tail gas treatment system, its characterized in that includes: the device comprises a denitration dust removal tower, a desulfurization tower, an electric precipitator and a fan;
the denitration dust removal tower is used for denitration and dust removal of tail gas and comprises a denitration module and a ceramic fiber filter pipe which are connected in series, a denitration spray gun is inserted on a communication pipeline of the denitration module and the ceramic fiber filter pipe, a first preheating pipeline is further attached to the denitration module and the ceramic fiber filter pipe and is provided with a first inlet and a first outlet, and the first inlet is used for being connected with a tail gas outlet of a cremation machine;
the desulfurizing tower is used for desulfurizing tail gas and comprises a reaction cavity and a second preheating pipeline which are mutually attached, a desulfurizing spray gun is inserted in the reaction cavity, the second preheating pipeline is provided with a second inlet and a second outlet, and the second inlet is communicated with the first outlet; the reaction cavity is provided with a reaction inlet and a reaction outlet;
the electric capture dust remover is used for removing dust for the tail gas and is provided with an electric capture inlet and an electric capture outlet, the electric capture inlet is communicated with the second outlet, the electric capture outlet is communicated with the reaction inlet, the reaction outlet is communicated with the inlet of the ceramic fiber filter pipe, and the outlet of the ceramic fiber filter pipe is communicated with the inlet of the denitration module;
the fan is used for providing power for tail gas flowing, an inlet of the fan is communicated with an outlet of the denitration module, and an outlet of the fan is used for guiding the chimney into the denitration module.
2. The cremator tail gas treatment system of claim 1, wherein the denitration dust removal tower comprises two tower bodies arranged in parallel, the denitration module and the ceramic fiber filter tube are respectively arranged in the two tower bodies, the upper parts of the two tower bodies are communicated, and the first preheating pipeline is attached to the outer parts of the two tower bodies.
3. The tail gas treatment system of the cremator according to claim 2, wherein the communicating tube at the upper part of the two towers passes through the first preheating pipe.
4. The cremator tail gas treatment system of claim 2, wherein the first preheating conduit is S-shaped on both towers.
5. The cremator tail gas treatment system of any of claims 1-4, wherein the first inlet of the first preheating conduit is located below and the first outlet is located above.
6. The cremator tail gas treatment system of claim 5, wherein the first preheating conduit is configured to flow air in a direction opposite to the direction of the flow air in the desulfurization module and the ceramic fiber filter tubes.
7. The cremator tail gas processing system of any one of claims 1-4, wherein the desulfurizing tower comprises a cylindrical tower shell, and the second preheating pipeline comprises two parts, namely a central pipe coaxially arranged in the tower shell and an outer sleeve coaxially sleeved outside the tower shell, and the central pipe and the outer sleeve are communicated through an inclined pipe penetrating through the tower shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020125877.4U CN211753776U (en) | 2020-01-20 | 2020-01-20 | Cremation machine tail gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020125877.4U CN211753776U (en) | 2020-01-20 | 2020-01-20 | Cremation machine tail gas treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN211753776U true CN211753776U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020125877.4U Active CN211753776U (en) | 2020-01-20 | 2020-01-20 | Cremation machine tail gas treatment system |
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| Country | Link |
|---|---|
| CN (1) | CN211753776U (en) |
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- 2020-01-20 CN CN202020125877.4U patent/CN211753776U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210112 Address after: No.28, Wentang Beigou, Wentang village, Xinzhong Town, Gongyi City, Zhengzhou City, Henan Province, 450000 Patentee after: Zhang Yuqi Patentee after: Gongyi Yuhua Heavy Machinery Manufacturing Co.,Ltd. Address before: No.28, Wentang Beigou, Wentang village, Xinzhong Town, Gongyi City, Zhengzhou City, Henan Province, 450000 Patentee before: Zhang Yuqi |
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| TR01 | Transfer of patent right |