CN110395866A - A kind of sludge at low temperature glows pyrolysis installation - Google Patents
A kind of sludge at low temperature glows pyrolysis installation Download PDFInfo
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- CN110395866A CN110395866A CN201910665418.7A CN201910665418A CN110395866A CN 110395866 A CN110395866 A CN 110395866A CN 201910665418 A CN201910665418 A CN 201910665418A CN 110395866 A CN110395866 A CN 110395866A
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- pyrolysis
- sludge
- furnace body
- low temperature
- slag
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
It glows pyrolysis installation the invention discloses a kind of sludge at low temperature, belongs to technical field of sludge treatment, including pyrolysis furnace body, be equipped with closed-type feed device at the top of pyrolysis furnace body, be equipped with slag-discharging device in pyrolysis bottom of furnace body, carbon Slag treatment device is equipped at the slag notch of slag-discharging device；The distributing device being located at immediately below closed-type feed device is equipped in pyrolysis oven body, in pyrolysis sidewall of the furnace body bottom around being circumferentially with multiple suction gas groups, the suction gas group includes air inlet and air outlet, the air inlet is located above gas outlet and air inlet and air outlet are located on the opposite side of pyrolysis furnace body, annular gas-guide tube is equipped on pyrolysis furnace body, each gas outlet is connected with annular gas-guide tube, and corresponding each air inlet and air outlet are equipped with control valve；Snorkel is connected on annular gas-guide tube, snorkel is connected with dedusting cooling mechanism；Realize it is a kind of glow it is sufficiently high-efficient, glow after product extract more sludge at low temperature and glow pyrolysis installation.
Description
Technical field
The invention belongs to technical field of sludge treatment, in particular to a kind of sludge at low temperature glows pyrolysis installation.
Background technique
City and industrial sludge necessarily require environmental protection to handle, and cannot directly burn, currently used gasification furnace formula, fluidisation
Bed or the processing in power plant belong to high-temperature process, and can generate the harmful substances such as dioxin leads to secondary pollution.It is Chinese special
Sharp document CN207797070U discloses a kind of micro- middle pressure of oily sludge and glows processing system, mainly passes through gas-liquid cyclonic separation
Device separates gas-liquid two-phase；By cooler cooling steam, gas-liquid separation efficiency is improved；Contained by desulfurization and Benitration reactor reduction
The noxious gas emissions such as sulphur, nitrogenous achieve the purpose that protect environment.Chinese patent literature CN107842855A discloses a kind of city
City's solid waste maintains glow processing platform system and processing method certainly comprising reacting furnace, the compression supplied for reacting furnace
Fume extractor, cigarette in gas cylinder, reacting furnace above the thermocouple, ignition controller, data acquisition device, reacting furnace of measurement data
Gas analyzer handles control software systems and host from maintaining to glow.Above two processing mode overall device operation of glowing is multiple
Miscellaneous, efficiency of sludge treatment is not high, does not make full use of useful composition in sludge without addition product output after processing.
Summary of the invention
It glows pyrolysis installation it is an object of that present invention to provide a kind of sludge at low temperature；The technology taken in order to achieve the above objectives
Scheme is:
A kind of sludge at low temperature glows pyrolysis installation, including pyrolysis furnace body, is equipped with closed-type feed device at the top of pyrolysis furnace body, is being pyrolyzed
Bottom of furnace body is equipped with slag-discharging device, and carbon Slag treatment device is equipped at the slag notch of slag-discharging device；It is equipped in pyrolysis oven body positioned at close
The distributing device immediately below feeder is closed, in pyrolysis sidewall of the furnace body bottom around being circumferentially with multiple suction gas groups, the suction gas group
Including air inlet and air outlet, the air inlet is located above gas outlet and air inlet and air outlet to be located at pyrolysis furnace body opposite
On side, annular gas-guide tube is equipped on pyrolysis furnace body, each gas outlet is connected with annular gas-guide tube, corresponding each air inlet
Mouth and gas outlet are equipped with control valve；Snorkel is connected on annular gas-guide tube, snorkel is connected with dedusting cooling mechanism.
Preferably, the carbon Slag treatment device includes the extrusion chamber of sealing, is equipped at the top of extrusion chamber and slags tap with slag-discharging device
The slag inlet that mouth is tightly connected is equipped with hydraulic cylinder in extrusion chamber, pusher head, pusher head position is fixed on hydraulic cylinder piston rod
Inside extrusion chamber, the discharge port of necking type is equipped in the corresponding one end of pusher head.
Preferably, water cooling system is laid in extrusion chamber upper and lower surfaces.
Preferably, the dedusting cooling mechanism includes being sequentially connected the cyclone dust collectors connect, tubulation cooler, the ventilation
Pipe is connected with cyclone dust collectors.
Preferably, the gas outlet pipe road of tubulation cooler is equipped with roots blower, anti-backfire tank；The liquid of tubulation cooler
Body discharge line is equipped with control switch, liquid container.
Preferably, the slag-discharging device is roll fire grate.
Preferably, the distributing device is in umbrella shape, and the maximum gauge of distributing device is less than diameter in pyrolysis oven body.
Preferably, pyrolyzing sludge temperature is not higher than 600 DEG C in the pyrolysis oven body.
Preferably, fuel gas temperature is not higher than 500 DEG C in the snorkel.
Preferably, the fuel gas temperature after the cooling of dedusting cooling mechanism is not higher than 90 DEG C.
The advantageous effect of present invention is that:
(1) by, around the suction gas group for the multiple alternations being circumferentially arranged, being provided lasting in pyrolysis sidewall of the furnace body bottom
Micro heat source is to maintain sludge to be continued for glowing；To eliminate the stirring of original complexity, cool down and heating plate of glowing
Setting；
(2) present invention is main is sucked micro heat source within sludge by the way of negative-pressure adsorption, and micro heat source is contacted with sludge
More sufficiently, path is longer, glows more sufficiently, and the fuel gas of generation is more, and bulk temperature control is at 900 DEG C or less
Belong to low temperature to glow so as to avoid the generation of the harmful substances such as dioxin；
(3) sludge Smoldering rate and efficiency of glowing can be regulated and controled by the control of air inlet and air outlet air inflow, with
Reach sludge at low temperature to glow the optimum efficiency of pyrolysis；
(4) the carbon slag that sludge generates after glowing will not occur to burn and become useless lime-ash, squeeze by carbon Slag treatment device
Useful carbon brick is generated after pressure processing, substantially increases efficiency of energy utilization；
(5) the high temperature imflammable gas generated after sludge glows obtains wood vinegar and imflammable gas after dedusting cooling mechanism
Product；
(6) present invention realize it is a kind of glow it is sufficiently high-efficient, glow after product extract more sludge at low temperature and glow pyrolysis installation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
The present invention is further described with reference to the accompanying drawing.
As shown in Figure 1, the present invention includes pyrolysis furnace body 3, it is equipped with closed-type feed device 1 at the top of pyrolysis furnace body 3, in pyrolysis oven
3 bottom of body is equipped with slag-discharging device 6, and carbon Slag treatment device is equipped at the slag notch of slag-discharging device 6；It is equipped with and is located in pyrolysis furnace body 3
Distributing device 2 immediately below closed-type feed device 1, in pyrolysis 3 sidewall bottom of furnace body around being circumferentially with multiple suction gas groups, the suction
Gas group includes air inlet 41 and gas outlet 42, and the air inlet 41 is located at 42 top of gas outlet and air inlet 41 and gas outlet 42
In on the opposite side of pyrolysis furnace body 3, being equipped with annular gas-guide tube 5 on pyrolysis furnace body 3, each gas outlet with annular gas-guide tube
5 are connected, and corresponding each air inlet 41 and gas outlet 42 are equipped with control valve；Ventilation is connected on annular gas-guide tube 5
Pipe 8, snorkel 8 are connected with dedusting cooling mechanism.
The carbon Slag treatment device includes the extrusion chamber 73 of sealing, and the slag notch with slag-discharging device 6 is equipped at the top of extrusion chamber 73
The slag inlet of sealed connection is equipped with hydraulic cylinder 76 in extrusion chamber 73, is fixed with pusher head 74 on 76 piston rod 75 of hydraulic cylinder,
Pusher head 74 is located inside extrusion chamber 73, is equipped with the discharge port 72 of necking type in the corresponding one end of pusher head 74；In extrusion chamber
73 upper and lower surfaces are laid with water cooling system 71.
The dedusting cooling mechanism includes being sequentially connected the cyclone dust collectors 9 connect, tubulation cooler 10, the snorkel 8
It is connected with cyclone dust collectors 9；The gas outlet pipe road of tubulation cooler 10 is equipped with roots blower 12, anti-backfire tank 13；Column
The liquid discharge tube road of pipe cooler 10 is equipped with control switch 11, liquid container.
Wherein, stating slag-discharging device 6 is preferably roll fire grate, and the distributing device 2 is in umbrella shape, and the maximum gauge of distributing device 2 is small
In pyrolysis 3 internal diameter of furnace body.
To the temperature sets requirement of system are as follows: in the pyrolysis furnace body 3 pyrolyzing sludge temperature not higher than 600 DEG C, it is described logical
Fuel gas temperature is not higher than 90 DEG C not higher than 500 DEG C, the fuel gas temperature after the cooling of dedusting cooling mechanism in tracheae 8.
The present invention passes through the closed equably investment pyrolysis furnace body 3 of closed-type feed device 1 at work, by city and industrial sludge
It is interior and be deposited in the top of slag-discharging device 6, be pyrolyzed inside furnace body 3 as the space of sealing and temperature be maintained at 600 DEG C hereinafter, sludge into
During row glows, suction gas group is successively worked alternatively to provide lasting micro heat source to maintain sludge to be continued for yin
Combustion；Each suction gas group working method is to open air inlet 41 and with air inlet 41 apart from farthest gas outlet 42, passes through Roots
Blower 12 or the negative pressure mechanism being separately provided are evacuated gas outlet 42, then micro outside air will be from air inlet 41
Into, farther out due to the distance between air inlet 41 and gas outlet 42, then by path it is longer glow after the high temperature that generates
Gas is more.450 DEG C or so of the fuel gas generated after glowing sequentially enters cyclone dust collectors 9, tubulation drop by snorkel 8
Warm device 10, the fuel gas that 80 DEG C or so dryings are obtained after the cooling of tubulation cooler 10 is stand-by, while in the process of cooling
In 450 DEG C or so of the intracorporal chemical dissolution of combustible gas form the chemical products such as wood vinegar in a liquid.
On the other hand, closed space of glowing is used due to whole, the carbon slag that sludge generates after glowing will not occur
It burns and becomes useless lime-ash, loose carbon slag enters carbon Slag treatment device by slag-discharging device 6, and then the movement of hydraulic cylinder 76 will
Loose carbon slag is compacted to form carbon brick and squeeze out from discharge port 72, and water is passed through in carbon brick interior solid no oxygen composition, outer surface again
Cooling system 71 is cooling so even when exposed to also occurring without combustion case in air, and the carbon brick of formation can be reused.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
But these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
- The pyrolysis installation 1. a kind of sludge at low temperature glows, including pyrolysis furnace body, which is characterized in that be equipped at the top of pyrolysis furnace body closed Feeder is equipped with slag-discharging device in pyrolysis bottom of furnace body, carbon Slag treatment device is equipped at the slag notch of slag-discharging device；In pyrolysis furnace body It is interior to be equipped with the distributing device being located at immediately below closed-type feed device, in pyrolysis sidewall of the furnace body bottom around being circumferentially with multiple suction gas groups, The suction gas group includes air inlet and air outlet, and the air inlet is located above gas outlet and air inlet and air outlet are located at heat It solving on the opposite side of furnace body, annular gas-guide tube is equipped on pyrolysis furnace body, each gas outlet is connected with annular gas-guide tube, Corresponding each air inlet and air outlet are equipped with control valve；Snorkel is connected on annular gas-guide tube, snorkel is connected with Dedusting cooling mechanism.
- The pyrolysis installation 2. sludge at low temperature according to claim 1 glows, which is characterized in that the carbon Slag treatment device includes close The extrusion chamber of envelope is equipped with the slag inlet being tightly connected with the slag notch of slag-discharging device at the top of extrusion chamber, and liquid is equipped in extrusion chamber Cylinder pressure is fixed with pusher head on hydraulic cylinder piston rod, and pusher head is located inside extrusion chamber, sets in the corresponding one end of pusher head There is the discharge port of necking type.
- The pyrolysis installation 3. sludge at low temperature according to claim 2 glows, which is characterized in that in extrusion chamber upper surface and following table Face is laid with water cooling system.
- The pyrolysis installation 4. sludge at low temperature according to claim 1 glows, which is characterized in that the dedusting cooling mechanism includes The cyclone dust collectors connect, tubulation cooler are sequentially connected, the snorkel is connected with cyclone dust collectors.
- The pyrolysis installation 5. sludge at low temperature according to claim 4 glows, which is characterized in that the gas of tubulation cooler is discharged Pipeline is equipped with roots blower, anti-backfire tank；The liquid discharge tube road of tubulation cooler is equipped with control switch, liquid container.
- 6. glowing pyrolysis installation to sludge at low temperature described in 5 according to claim 1, which is characterized in that the slag-discharging device is roll Fire grate.
- The pyrolysis installation 7. sludge at low temperature according to claim 6 glows, which is characterized in that the distributing device is in umbrella shape, The maximum gauge of distributing device is less than diameter in pyrolysis oven body.
- 8. glowing pyrolysis installation to sludge at low temperature described in 5 according to claim 1, which is characterized in that dirty in the pyrolysis oven body Mud pyrolysis temperature is not higher than 600 DEG C.
- The pyrolysis installation 9. sludge at low temperature according to claim 8 glows, which is characterized in that fuel gas in the snorkel Temperature is not higher than 500 DEG C.
- The pyrolysis installation 10. sludge at low temperature according to claim 9 glows, which is characterized in that cool down through dedusting cooling mechanism Fuel gas temperature afterwards is not higher than 90 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910665418.7A CN110395866B (en) | 2019-07-23 | 2019-07-23 | Sludge low-temperature smoldering pyrolysis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910665418.7A CN110395866B (en) | 2019-07-23 | 2019-07-23 | Sludge low-temperature smoldering pyrolysis device |
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| Publication Number | Publication Date |
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| CN110395866A true CN110395866A (en) | 2019-11-01 |
| CN110395866B CN110395866B (en) | 2022-05-24 |
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| CN201910665418.7A Active CN110395866B (en) | 2019-07-23 | 2019-07-23 | Sludge low-temperature smoldering pyrolysis device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415965A (en) * | 2021-07-21 | 2021-09-21 | 重庆乐乐环保科技有限公司 | Automatic protection system for self-maintaining smoldering treatment of high-water-content sludge |
| WO2021208544A1 (en) * | 2020-04-16 | 2021-10-21 | 华中科技大学 | Self-sustaining smoldering and high-temperature aerobic fermentation combined sludge disposal process and device |
| WO2021208481A1 (en) * | 2020-04-16 | 2021-10-21 | 华中科技大学 | Apparatus and method for preparing oil by pyrolyzing organic waste based on self-sustaining smoldering |
| CN113531557A (en) * | 2021-07-21 | 2021-10-22 | 重庆乐乐环保科技有限公司 | Municipal wastewater sludge self-sustaining smoldering treatment system |
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| CN108467738A (en) * | 2018-06-07 | 2018-08-31 | 郑州鑫地机械设备有限公司 | Solid waste medium temperature pyrocrack furnace |
| JP2019074258A (en) * | 2017-10-17 | 2019-05-16 | 株式会社神鋼環境ソリューション | Sediment treatment method |
| CN209042397U (en) * | 2018-10-18 | 2019-06-28 | 浙江宜可欧环保科技有限公司 | Glow furnace and the oil-bearing sludge treatment equipment containing the furnace that glows |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101571424A (en) * | 2009-06-15 | 2009-11-04 | 上海烟草（集团）公司 | Cigarette infrared temperature measurement synchronous shifter |
| JP2019074258A (en) * | 2017-10-17 | 2019-05-16 | 株式会社神鋼環境ソリューション | Sediment treatment method |
| CN108467738A (en) * | 2018-06-07 | 2018-08-31 | 郑州鑫地机械设备有限公司 | Solid waste medium temperature pyrocrack furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208544A1 (en) * | 2020-04-16 | 2021-10-21 | 华中科技大学 | Self-sustaining smoldering and high-temperature aerobic fermentation combined sludge disposal process and device |
| WO2021208481A1 (en) * | 2020-04-16 | 2021-10-21 | 华中科技大学 | Apparatus and method for preparing oil by pyrolyzing organic waste based on self-sustaining smoldering |
| CN113415965A (en) * | 2021-07-21 | 2021-09-21 | 重庆乐乐环保科技有限公司 | Automatic protection system for self-maintaining smoldering treatment of high-water-content sludge |
| CN113531557A (en) * | 2021-07-21 | 2021-10-22 | 重庆乐乐环保科技有限公司 | Municipal wastewater sludge self-sustaining smoldering treatment system |
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| CN110395866B (en) | 2022-05-24 |
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