CN214060290U - Novel sludge pyrohydrolysis treatment system capable of recycling carbon source - Google Patents
Novel sludge pyrohydrolysis treatment system capable of recycling carbon source Download PDFInfo
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- CN214060290U CN214060290U CN202021935893.6U CN202021935893U CN214060290U CN 214060290 U CN214060290 U CN 214060290U CN 202021935893 U CN202021935893 U CN 202021935893U CN 214060290 U CN214060290 U CN 214060290U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The utility model provides a novel mud pyrohydrolysis processing system of recoverable carbon source, including quenching and tempering pond, the contact reactor who meets with the quenching and tempering pond, the sheet frame hydroextractor that meets with the contact reactor export, the struvite reactor that meets with sheet frame hydroextractor liquid phase export and the struvite separator who meets with the struvite reactor export, still be provided with solid phase processing apparatus between the solid phase export of sheet frame hydroextractor and the struvite reactor, still be provided with heat reclamation device between solid phase processing apparatus and the contact reactor. The utility model discloses a pyrohydrolysis for COD's dissolution rate increases, and through the struvite precipitation method of adding magnesium salt and not additionally adding the phosphorus salt reduced the content of ammonia nitrogen and phosphorus in the waste liquid, for the sewage factory provides the carbon source, burn the heat of production with mud self and recycle to the pyrohydrolysis in-process, reduced the consumption of heat and energy, obtained the struvite chemical fertilizer, the carbon source has also obtained the retrieval and utilization, has carried out the utilization of resourceization to mud.
Description
Technical Field
The utility model belongs to the technical field of sludge treatment, especially, relate to a novel mud pyrohydrolysis processing system of recoverable carbon source.
Background
As the COD content of inlet water of most sewage treatment plants in China is low and the carbon source of the original inlet water is insufficient, the nitrogen and phosphorus removal effect is not ideal and the problem that N, P discharge does not reach the standard is increasingly serious. Most of the existing sewage plants adopt a mode of adding carbon source medicaments to solve the problem, but the carbon source purchase can cause the increase of the operation cost and is also contrary to the aims of low energy consumption and low chemical addition.
Sewage plants produce a large amount of sludge every day, and the sludge contains a large amount of COD and also contains a large amount of silt, ammonia nitrogen, phosphorus and the like. Conventional treatment modes of sludge plants include landfill and composting technologies, and secondary pollution of land and water resources can be caused by landfill; and the compost needs to be added with auxiliary materials, odor is generated in the composting process, and the quality of the fertilizer is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems and designing a novel sludge pyrohydrolysis treatment system capable of recycling a carbon source.
Realize above-mentioned purpose the technical scheme of the utility model be, a novel mud pyrohydrolysis processing system of recoverable carbon source, including quenching and tempering pond, the contact reactor who meets with the quenching and tempering pond, with the sheet frame hydroextractor that the contact reactor export meets, with the struvite reactor that sheet frame hydroextractor liquid phase export meets and with the struvite separation device that struvite reactor export meets, still be provided with solid phase processing apparatus between the solid phase export of hydroextractor and the struvite reactor, still be provided with heat reclamation device between solid phase processing apparatus and the contact reactor.
The solid phase treatment device comprises a mud cake incinerator connected with the plate-and-frame dehydrator, an acid leaching reaction tank connected to the outlet of the mud cake incinerator, and a centrifuge connected between the acid leaching reaction tank and the struvite reactor.
The heat recovery device comprises a waste heat steam boiler, and the waste heat steam boiler is connected between the mud cake incinerator and the contact reactor.
The acid leaching reaction tank is connected with a first dosing device, and the struvite reactor is connected with a second dosing device and a third dosing device.
An acid solution is arranged in the first medicine adding device, and the acid solution is one of sulfuric acid or hydrochloric acid.
And a magnesium-containing compound is arranged in the second medicine adding device.
An alkaline medicament is arranged in the third medicament adding device, and the alkaline medicament is one of NaOH or CaO.
And stirring devices are arranged in the tempering tank, the acid leaching reaction tank and the struvite reactor.
The waste heat steam boiler comprises a waste heat recovery pipe, a heat pipe arranged in the waste heat recovery pipe, a flue gas inlet connected to one end of the waste heat recovery pipe, an economizer connected to the other end of the waste heat recovery pipe, a flue gas outlet connected to the economizer, and a gas shock wave soot blower arranged on the waste heat recovery pipe.
Gas shock wave soot blower includes that gas holder, air compression cabinet, acetylene supply cabinet, mixed ignition cabinet, shock wave take place jar and spray tube, the entry of air compression cabinet meets with the export of gas holder, the export of air compression cabinet meets with the entry of mixed ignition cabinet, the export of acetylene supply cabinet meets with the entry of mixed ignition cabinet, the export of mixed ignition cabinet meets with the entry that shock wave took place the jar, the export that shock wave took place the jar meets with the spray tube, the spray tube is worn to establish on waste heat recovery pipe's pipe wall.
Utilize the utility model discloses novel mud pyrohydrolysis processing system of recoverable carbon source of technical scheme preparation, its beneficial effect is:
1. the utility model destroys the floc structure of the sludge by pyrohydrolysis, increases the solid content of the sludge, increases the dissolution rate of COD, reduces the content of ammonia nitrogen and phosphorus in the waste liquid by struvite precipitation method of adding magnesium salt and not adding phosphate, provides a carbon source for sewage plants, and greatly reduces the cost;
2. the pyrohydrolysis energy consumption is big, the utility model discloses can continue to recycle the pyrohydrolysis in-process through the heat that mud self after the processing burned the production, reduced calorific loss and energy resource consumption, saved the cost.
3. The waste heat steam boiler is provided with the gas shock wave soot blower which can blow the waste heat recovery pipe, so that the soot on the pipe wall of the waste heat recovery pipe and the heat pipe is separated, and the heat exchange efficiency is improved.
Drawings
FIG. 1 is a schematic view of a system according to embodiment 1;
FIG. 2 is a schematic system diagram of example 2;
fig. 3 is a schematic view of a waste heat steam boiler.
In the figure: 1. a tempering tank; 2. a contact reactor; 3. a plate frame dehydrator; 4. a mud cake incinerator; 5. a waste heat steam boiler; 6. an acid leaching reaction tank; 7. a first dosing device; 8. a centrifuge; 9. a struvite reactor; 10. a second dosing device; 11. a third dosing device; 12. a struvite separation device; 13. a stirring device; 14. a waste heat recovery pipe; 15. a heat pipe; 16. a flue gas inlet; 17. a coal economizer; 18. a flue gas outlet; 19. an ash hopper; 20. a gas storage tank; 21. an air compression cabinet; 22. an acetylene supply cabinet; 23. a hybrid ignition cabinet; 24. a shock wave generating tank; 25. a nozzle; 26; sludge; 27. purifying the flue gas; 28. a struvite fertilizer; 29. a carbon source.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
example 1: as shown in figure 1, the novel sludge pyrohydrolysis treatment system capable of recycling carbon sources comprises a tempering tank 1, a contact reactor 2 connected with the tempering tank 1, a plate-frame dehydrator 3 connected with the outlet of the contact reactor 2, a struvite reactor 9 connected with the liquid-phase outlet of the plate-frame dehydrator 3, and a struvite separation device 12 connected with the outlet of the struvite reactor 9, wherein a solid-phase treatment device is further arranged between the solid-phase outlet of the plate-frame dehydrator 3 and the struvite reactor 9, the solid-phase treatment device comprises a cake incinerator 4 connected with the plate-frame dehydrator 3, an acid leaching reaction tank 6 connected with the outlet of the cake incinerator 4, and a centrifuge 8 connected between the acid leaching reaction tank 6 and the struvite reactor 9, a first chemical adding device 7 is connected to the acid leaching reaction tank 6, and a second chemical adding device 10 and a third chemical adding device 11 are connected to the struvite reactor 9, an acidic solution is arranged in the first medicine adding device 7, the acidic solution is one of sulfuric acid or hydrochloric acid, a magnesium-containing compound is arranged in the second medicine adding device 10, an alkaline agent is arranged in the third medicine adding device 11, the alkaline agent is one of NaOH or CaO, and stirring devices 13 are arranged in the tempering tank 1, the acid leaching reaction tank 6 and the struvite reactor 9.
The processing flow based on the system is as follows:
the method comprises the following steps: adding water into the incoming sample sludge 26 in the conditioning tank 1, starting a stirring device 13 in the conditioning tank 1 to stir and adjust until the water content of the sludge 26 is 95%;
step two: the regulated sludge 26 is sent into the contact reactor 2, a thermal hydrolysis reaction is carried out for 20min at the temperature of 140 ℃, and during the thermal hydrolysis, the microbial cell walls in the sludge 26 are broken, so that the floc structure of the sludge 26 is damaged, and the solubility of the sludge 26 is increased;
step three: the sludge 26 after thermal hydrolysis enters a plate-and-frame dehydrator 3 for mechanical dehydration, in the process, the water content of the sludge 26 is reduced to 40%, the COD content in the dehydrated filtrate is 20000mg/L, and the ammonia nitrogen content is 2000mg/L, then the filtrate is directly fed into a struvite reactor 9 through a liquid phase outlet of the plate-and-frame dehydrator 3, and mud cakes enter a mud cake incinerator 4 through a solid phase outlet;
step four: the mud cake after dehydration of the plate frame dehydrator 3 is incinerated at 850 ℃ in the mud cake incinerator 4 to obtain incinerated slag and the incinerated slag is sent into the acid leaching reaction tank 6;
step five: after the slag generated by incineration enters an acid leaching reaction tank 6, adding a sulfuric acid or hydrochloric acid solution into the slag through a first medicine adding device 7, wherein the solid-to-liquid ratio is at least 150ml/g, simultaneously starting a stirring device 13 in the acid leaching reaction tank 6 for reaction, wherein the stirring speed is 120r/min, the reaction time is 2 hours, phosphorus in the slag can be leached, the leaching rate is 80%, the content of phosphorus in the leached supernatant is 600mg/L, then separating the slag from the leached supernatant through a centrifugal machine 8, and then conveying the supernatant into a struvite reactor 9;
step six: the filtrate after dehydration by the plate and frame dehydrator 3 and the supernatant leached by the acid leaching reaction tank 6 are stirred and reacted in a struvite reactor 9, firstly, NaOH solution is added through a third medicine adding device 11 to adjust the PH value in the struvite reactor 9 to 8.5, and then, a magnesium-containing compound such as MgSO (MgSO) is added into the struvite reactor 9 through a second medicine adding device 104、MgO、Mg(OH)2、MgCl2And stirring for struvite crystallization and precipitation reaction: mg (magnesium)2++NH4 ++PO4 3-+H2O＝MgNH4PO46H2O, stirring for 30min by the stirring device 13;
step seven: after the solution in the struvite reactor 9 is reacted, the solution is conveyed to a struvite separation device 12, the precipitate is separated from the supernatant, the obtained precipitate is a crude struvite product which can be used for preparing a struvite fertilizer 28, and the separated supernatant flows back to a sewage plant to recycle a carbon source 29 therein.
Example 2: as shown in fig. 2, a novel sludge pyrohydrolysis treatment system capable of recycling carbon sources comprises a conditioning tank 1, a contact reactor 2 connected with the conditioning tank 1, a plate-frame dehydrator 3 connected with the outlet of the contact reactor 2, a struvite reactor 9 connected with the liquid outlet of the plate-frame dehydrator 3, and a struvite separation device 12 connected with the outlet of the struvite reactor 9, wherein a solid-phase treatment device is further arranged between the solid-phase outlet of the plate-frame dehydrator 3 and the struvite reactor 9, a heat recovery device is further arranged between the solid-phase treatment device and the contact reactor 2, the solid-phase treatment device comprises a cake incinerator 4 connected with the plate-frame dehydrator 3, an acid leaching reaction tank 6 connected with the outlet of the cake incinerator 4, and a centrifuge 8 connected between the acid leaching reaction tank 6 and the struvite reactor 9, the heat recovery device comprises a waste heat steam boiler 5, the waste heat steam boiler 5 is connected between the mud cake incinerator 4 and the contact reactor 2, the acid leaching reaction tank 6 is connected with a first dosing device 7, the struvite reactor 9 is connected with a second dosing device 10 and a third dosing device 11, an acid solution is arranged in the first dosing device 7, the acid solution is sulfuric acid or hydrochloric acid, a magnesium-containing compound is arranged in the second dosing device 10, an alkaline agent is arranged in the third dosing device 11, the alkaline agent is NaOH or CaO, and stirring devices are arranged in the tempering tank 1, the acid leaching reaction tank 6 and the struvite reactor 9.
The processing flow based on the system is as follows:
the method comprises the following steps: adding water into the incoming sample sludge 26 in the conditioning tank 1, starting a stirring device 13 in the conditioning tank 1 to stir and adjust until the water content of the sludge 26 is 90%;
step two: the regulated sludge 26 is sent into the contact reactor 2, a thermal hydrolysis reaction is carried out for 60min at the temperature of 180 ℃, and during the thermal hydrolysis, the microbial cell walls in the sludge 26 are broken, so that the floc structure of the sludge 26 is damaged, and the solubility of the sludge 26 is increased;
step three: the sludge 28 after the thermal hydrolysis enters a plate-and-frame dehydrator 3 for mechanical dehydration, in the process, the water content of the sludge 26 is reduced to 30%, the COD content in the dehydrated filtrate is 30000mg/L, and the ammonia nitrogen content is 3000mg/L, then the filtrate is directly fed into a struvite reactor 9 through a liquid phase outlet of the plate-and-frame dehydrator 3, and mud cakes enter a mud cake incinerator 4 through a solid phase outlet;
step four: the sludge cake after dehydration of the plate frame dehydrator 3 is incinerated at 950 ℃ in the sludge cake incinerator 4, hot flue gas generated by incineration enters the waste heat steam boiler 5, meanwhile, the waste heat steam boiler 5 heats the contact reactor 2, heat generated by incineration of the sludge 26 per se is continuously recycled to the thermal hydrolysis process, heat loss and energy consumption are reduced, cost is saved, and meanwhile, slag generated by incineration of the sludge cake incinerator 4 is sent to the acid leaching reaction tank 6;
step five: after the slag enters the acid leaching reaction tank 6, adding a sulfuric acid or hydrochloric acid solution into the slag through a first medicine adding device 7, wherein the solid-liquid ratio is at least 150ml/g, simultaneously starting a stirring device 13 in the acid leaching reaction tank 6 for reaction, the stirring speed is 120r/min, the reaction time is 2 hours, the phosphorus in the slag can be leached, the leaching rate is 85%, the phosphorus content in the leached supernatant is 800mg/L, then separating the slag from the leached supernatant through a centrifuge 8, and then conveying the supernatant into a struvite reactor 9;
step six: filtrate obtained after dehydration by the plate-and-frame dehydrator 3 and supernatant obtained after leaching by the acid leaching reaction tank 6 are stirred and reacted in a struvite reactor 9, CaO is added through a third medicine adding device 11 to adjust the PH value in the struvite reactor 9 to 8.5, and then a magnesium-containing compound such as MgSO (magnesium sulfate) is added into the struvite reactor 9 through a second medicine adding device 104、MgO、Mg(OH)2、MgCl2And stirring for struvite crystallization and precipitation reaction: mg (magnesium)2++NH4 ++PO4 3-+H2O＝MgNH4PO46H2O, stirring for 30min by the stirring device 13;
step seven: after the solution in the struvite reactor 11 is reacted, the solution is conveyed to a struvite separation device 12, the precipitate is separated from the supernatant, the obtained precipitate is a crude struvite product which can be used for preparing a struvite fertilizer 28, and the separated supernatant flows back to a sewage plant to recycle a carbon source 29 therein.
As shown in fig. 3, the waste heat steam boiler 5 includes a waste heat recovery pipe 14, a heat pipe 15 installed in the waste heat recovery pipe 14, a flue gas inlet 16 connected to one end of the waste heat recovery pipe 14, an economizer 17 connected to the other end of the waste heat recovery pipe 14, a flue gas outlet 18 connected to the economizer 17, a dust hopper 19 installed at the bottom of the waste heat recovery pipe 14, and a gas shock wave soot blower installed on the waste heat recovery pipe 14, where the gas shock wave soot blower includes a gas storage tank 20, an air compression cabinet 21, an acetylene supply cabinet 22, a hybrid ignition cabinet 23, a shock wave generation tank 24, and a spray pipe 25, the inlet of the air compression cabinet 21 is connected to the outlet of the gas storage tank 20, the outlet of the air compression cabinet 21 is connected to the inlet of the hybrid ignition cabinet 23, the outlet of the acetylene supply cabinet 22 is connected to the inlet of the hybrid ignition cabinet 23, the outlet of the hybrid ignition cabinet 23 is connected to the inlet of the shock wave generation tank 24, the outlet of the shock wave generating tank 24 is connected with a spray pipe 25, and the spray pipe 25 is arranged on the pipe wall of the waste heat recovery pipe 14 in a penetrating mode.
In this embodiment, still install gas shock wave soot blower additional on steam waste heat boiler, steam waste heat boiler's theory of operation does: let in hot flue gas from flue gas inlet 16, hot flue gas is during through waste heat recovery pipe 14, carry out the heat transfer with heat pipe 15 wherein, preserve the heat, in flue gas entering economizer 17 afterwards, remaining heat is absorbed by economizer 17 in the flue gas, discharge from gas outlet 18 finally, and a large amount of dusts that carry in this in-process flue gas are gathered easily on heat pipe 15 and waste heat recovery pipe 14, if the unscheduled clearance, heat exchange efficiency can receive the influence, consequently install gas shock wave soot blower additional and be used for clearing up these deposition, then gas shock wave soot blower's workflow does:
the air storage tank 20 conveys air into the air compression cabinet 21 for compression, then the compressed air enters the mixed ignition cabinet 23, the acetylene supply cabinet 22 also conveys acetylene into the mixed ignition cabinet 23, the mixed gas is ignited by the mixed ignition cabinet 23, the gas enters the shock wave generation tank 24 after combustion and expansion, high-temperature fuel gas shock waves are formed and sprayed out from the spray pipe 25, deposited dust on the waste heat recovery pipe 14 and the heat pipe 15 is subjected to high-temperature purging, the deposited dust falls off and flies, meanwhile, the heating surface is vibrated, the dust layer attached to the heating surface is broken and falls off and finally falls into the dust hopper 19, and the problem that the deposited dust affects the heat exchange efficiency of the waste heat steam boiler 5 is avoided.
1. In summary, the overall usage flow and effect of the system are as follows: adding water into the sludge in a conditioning tank to adjust the water content to 90-95%, and then performing thermal hydrolysis in a contact reactor at the temperature of 140-180 ℃ for 20-60min to destroy the floc structure of the sludge, increase the solid content of the sludge and increase the dissolution rate of COD;
2. the sludge after thermal hydrolysis is mechanically dehydrated, the water content of the sludge is reduced to 30-40%, the sludge is convenient to burn in a sludge cake incinerator subsequently, the sludge in the sludge cake incinerator is burned at 850-950 ℃, hot flue gas generated by burning is sent into a waste heat steam boiler, a contact reactor is heated, heat energy is provided for thermal hydrolysis, the heat loss and the energy consumption are reduced, the cost is saved, and the thermal hydrolysis effect can be improved;
3. sending the slag generated by incineration into an acid leaching reaction tank, adding a sulfuric acid or hydrochloric acid solution until the solid-to-liquid ratio is at least 150ml/g, stirring at the rotating speed of 120r/min for 2 hours for reaction, and then leaching out phosphorus in the slag, wherein the leaching rate is as high as 80-85%, and the phosphorus content in the leaching solution is 800mg/L of 600-;
4. separating solid and liquid in the acid leaching reaction tank by using a centrifuge, sending the supernatant into a struvite reactor to react with the filtrate separated from the plate-and-frame dehydrator, wherein the COD content in the filtrate generated in the dehydration process of the plate-and-frame dehydrator is 25000-30000mg/L, the ammonia nitrogen content is 2500-3000mg/L, firstly adding NaOH solution or CaO in the struvite reactor to adjust the PH to 8.5-9.5, and then adjusting the PH with the CaOPost-addition of magnesium-containing compounds, e.g. MgSO4、MgO、Mg(OH)2、MgCl2And the reaction is stirred for at least 30min, the product after the reaction is sent to a struvite separator for solid-liquid separation, the obtained precipitate is a struvite crude product which can be used for preparing a struvite fertilizer, the obtained supernatant flows back to a sewage plant, and a carbon source in the supernatant is recovered.
The above two embodiments of the present invention have been described in detail, but the above description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides a novel mud pyrohydrolysis processing system of recoverable carbon source, includes quenching and tempering pond (1), contact reactor (2) that meet with quenching and tempering pond (1), sheet frame hydroextractor (3) that meet with contact reactor (2) export, struvite reactor (9) that meet with sheet frame hydroextractor (3) liquid phase export and struvite separator (12) that meet with struvite reactor (9) export, its characterized in that: a solid phase treatment device is also arranged between the solid phase outlet of the plate frame dehydrator (3) and the struvite reactor (9), and a heat recovery device is also arranged between the solid phase treatment device and the contact reactor (2).
2. The novel sludge pyrohydrolysis treatment system capable of recycling the carbon source according to claim 1, wherein: the solid phase treatment device comprises a mud cake incinerator (4) connected with the plate-and-frame dehydrator (3), an acid leaching reaction tank (6) connected to the outlet of the mud cake incinerator (4), and a centrifuge (8) connected between the acid leaching reaction tank (6) and the struvite reactor (9).
3. The novel sludge pyrohydrolysis treatment system capable of recycling the carbon source according to claim 2, wherein: the heat recovery device comprises a waste heat steam boiler (5), and the waste heat steam boiler (5) is connected between the mud cake incinerator (4) and the contact reactor (2).
4. The novel sludge pyrohydrolysis treatment system capable of recycling the carbon source according to claim 1, wherein: a first medicine adding device (7) is connected to the acid leaching reaction tank (6), and a second medicine adding device (10) and a third medicine adding device (11) are connected to the struvite reactor (9).
5. The novel sludge pyrohydrolysis treatment system capable of recycling the carbon source according to claim 4, wherein: an acid solution is arranged in the first medicine adding device (7), and the acid solution is one of sulfuric acid or hydrochloric acid.
6. The novel sludge pyrohydrolysis treatment system capable of recycling the carbon source according to claim 4, wherein: a magnesium-containing compound is arranged in the second medicine adding device (10).
7. The novel sludge pyrohydrolysis treatment system capable of recycling the carbon source according to claim 4, wherein: an alkaline medicament is arranged in the third medicament adding device (11), and the alkaline medicament is one of NaOH or CaO.
8. The novel sludge pyrohydrolysis treatment system capable of recycling the carbon source according to claim 6, wherein: and stirring devices (13) are arranged in the tempering tank (1), the acid leaching reaction tank (6) and the struvite reactor (9).
9. The novel sludge pyrohydrolysis treatment system capable of recycling the carbon source according to claim 3, wherein: the waste heat steam boiler (5) comprises a waste heat recovery pipe (14), a heat pipe (15) arranged in the waste heat recovery pipe (14), a flue gas inlet (16) connected to one end of the waste heat recovery pipe (14), an economizer (17) connected to the other end of the waste heat recovery pipe (14), a flue gas outlet (18) connected to the economizer (17), an ash hopper (19) arranged at the bottom of the waste heat recovery pipe (14) and a gas shock wave soot blower arranged on the waste heat recovery pipe (14).
10. The novel sludge pyrohydrolysis treatment system capable of recycling the carbon source in accordance with claim 9, wherein: gas shock wave soot blower includes gas holder (20), air compression cabinet (21), acetylene supply cabinet (22), mix ignition cabinet (23), shock wave and takes place jar (24) and spray tube (25), the entry of air compression cabinet (21) meets with the export of gas holder (20), the export of air compression cabinet (21) meets with the entry of mixing ignition cabinet (23), the export of acetylene supply cabinet (22) meets with the entry of mixing ignition cabinet (23), the export of mixing ignition cabinet (23) meets with the entry of shock wave and taking place jar (24), the export of shock wave takes place jar (24) meets with spray tube (25), spray tube (25) are worn to establish on the pipe wall of waste heat recovery pipe (14).
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