CN110127985A - One kind being used for the pretreated reaction unit of sludge pyrohydrolysis and method - Google Patents
One kind being used for the pretreated reaction unit of sludge pyrohydrolysis and method Download PDFInfo
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- CN110127985A CN110127985A CN201910484110.2A CN201910484110A CN110127985A CN 110127985 A CN110127985 A CN 110127985A CN 201910484110 A CN201910484110 A CN 201910484110A CN 110127985 A CN110127985 A CN 110127985A
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- vapour
- cylinder
- reaction unit
- branch pipe
- sludge
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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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses one kind to be used for the pretreated reaction unit of sludge pyrohydrolysis and method, and reaction unit includes pedestal and the cylinder that is fixed on the base, and the bottom of cylinder is fixed with end socket, is provided with steam inlet device on end socket；Steam inlet device include the total steam inlet pipe being fixed on the base, be connected with total steam inlet pipe and be fixed on end socket into vapour supervisor, it is multiple respectively with into vapour supervisor be connected into vapour branch pipe；Into vapour branch pipe extend at least partially into inner barrel, positioned at inner barrel into being provided with venthole on vapour branch pipe, multiple ventholes form ring around distribution, and venthole go out vapour direction and ring is tangent；It solves in existing sludge pyrohydrolysis pretreatment reaction unit, mostly uses mechanical stirring, since reaction unit belongs to pressure vessel, internal pressure is larger when reaction, and the problems such as mechanical stirring device difficulty of processing is big, and precision is high is arranged on pressure vessel.
Description
Technical field
The present invention relates to active sludge treatment fields, and in particular, to one kind is used for the pretreated reaction of sludge pyrohydrolysis
Device and method.
Background technique
The sludge that municipal wastewater treatment plant generates is the main source of municipal sludge, and shared specific gravity is generally super in municipal sludge
90% is crossed, is the main process object of municipal sludge.According to statistics, the sludge total amount that municipal sewage plant, China generates every year is
More than 500,000 tons, " harness the river and do not control mud, equal to do not harness the river " has become and knows together in the industry, and it is reasonable how to carry out to the sludge of substantial amounts
Effectively processing disposition has become very urgent task.
Sludge pyrohydrolysis is a kind of sludge pretreatment mode, principle be by heating pressurization in pressure vessel so that
The dismission of microorganism wadding body, cell rupture, organic matter hydrolysis in sludge, the solid particle for reducing stickiness sludge make the constraint of water
With, fundamentally changing the moisture distribution feature of sludge, water, capillary adsorbed water and surface adsorption water intracellular are largely precipitated, so that
More juicy reaches mechanical dehydration requirement in sludge, so as to improve the dewatering of sludge.Meanwhile the macromolecular in cell is organic
Matter discharges and is hydrolyzed into small-molecule substance, is transferred to liquid phase by solid phase, improves the anaerobic digestion performance of sludge.It is final to realize sludge
Stabilisation, minimizing, innoxious, energy.
Sludge pyrohydrolysis is in engineer application, and since sludge thermal capacitance is big, mobility is excessively poor, gapless, and thermal conductivity is also poor,
It is easy to appear the short stream of steam in sludge heating process, causes sludge uneven heating or dirt in pyrohydrolysis pretreatment reaction unit
Mud is difficult to heat, and especially is easiest to occur in the pyrohydrolysis pretreatment reaction unit of big volume, so as to cause sludge hot
The hydrolysis heating-up time is too long, consumes energy the problems such as excessive, seriously affects efficiency of sludge treatment.In addition, in existing sludge pyrohydrolysis
With in reaction unit, some setting mechanical stirrings make sludge heated fast for pretreatment.Since the pretreatment of sludge pyrohydrolysis is with instead
Device is answered to belong to pressure vessel, setting mechanical stirring device difficulty of processing is big on pressure vessel, and precision is high.
Summary of the invention
The object of the present invention is to provide one kind to be used for the pretreated reaction unit of sludge pyrohydrolysis and method, solves existing
In some sludge pyrohydrolysis pretreatment reaction units, mechanical stirring is mostly used, since reaction unit belongs to pressure vessel, instead
Seasonable internal pressure is larger, and the problems such as mechanical stirring device difficulty of processing is big, and precision is high is arranged on pressure vessel.
To achieve the goals above, the present invention provides one kind to be used for the pretreated reaction unit of sludge pyrohydrolysis, described
Reaction unit includes pedestal and fixed cylinder on the base, and the bottom of the cylinder is fixed with end socket, on the end socket
It is provided with steam inlet device；
The steam inlet device includes fixed total steam inlet pipe on the base, with total steam inlet pipe is connected and fixes
On the end socket into vapour supervisor, it is multiple respectively with it is described into vapour supervisor be connected into vapour branch pipe；
It is described to extend at least partially into the inner barrel into vapour branch pipe, positioned at described in the inner barrel into vapour branch pipe
On be provided with venthole, multiple ventholes form ring around distribution, and the venthole goes out vapour direction and the ring
Enclose it is tangent so that being capable of forming tangential force from the steam that the venthole is discharged and stirring internal sludge.
Preferably, it is described into vapour supervisor be circulating line, it is multiple it is described be vertically fixed on into the distribution of vapour branch pipe it is described into vapour
On supervisor.
Preferably, the quantity into vapour branch pipe is no less than 4 groups, into vapour branch pipe described first-class into vapour supervisor described in multiple groups
It is arranged away from interval.
Preferably, the cylinder lateral wall is provided with manhole.
Preferably, pressure gauge tube socket and thermometer tube socket, the pressure gauge tube socket are respectively fixed at the top of the cylinder
On be provided with pressure gauge, be provided with thermometer on the thermometer tube socket.
Preferably, the feed inlet being connected respectively with the cylinder, remaining vapor outlet and peace are provided at the top of the cylinder
Full valve mouth.
Preferably, the side wall of the cylinder is provided with visor, is provided with lifting lug at the top of the cylinder；
The side wall of the cylinder is additionally provided with the discharge port being connected with the cylinder.
The present invention also provides a kind of pretreated methods of sludge pyrohydrolysis, and the method includes utilizing above-mentioned reaction dress
Set progress；
Its step includes:
1) the good sludge of pulp is added in cylinder；
2) steam is delivered in cylinder by total steam inlet pipe, steam is responsible for into vapour and is discharged into vapour branch pipe, from described
Steam into the venthole discharge on vapour branch pipe is capable of forming tangential force and stirs internal sludge；
3) after heating reaction, sludge injection pressure release is subjected to cooling processing into next device.
Preferably, the pressure for being passed through steam is 0.6-0.8MPa.
Preferably, it is 165-170 DEG C that the condition for heating reaction, which includes: temperature, time 20-30min.
According to the above technical scheme, the present invention provides one kind to be used for the pretreated reaction unit of sludge pyrohydrolysis, described
Reaction unit includes pedestal and fixed cylinder on the base, and the bottom of the cylinder is fixed with end socket, on the end socket
It is provided with steam inlet device；The steam inlet device includes fixed total steam inlet pipe on the base, is connected with total steam inlet pipe
It is logical and be fixed on the end socket into vapour supervisor, it is multiple respectively with it is described into vapour supervisor be connected into vapour branch pipe；It is described into
Vapour branch pipe extends at least partially into the inner barrel, positioned at described in the inner barrel into being provided with out vapour on vapour branch pipe
Mouthful, multiple ventholes form ring around distribution, and vapour direction and the ring out of the venthole are tangent, so that from
The steam of the venthole discharge is capable of forming tangential force and stirs internal sludge.Reaction unit structure letter provided by the invention
It is single, different from traditional mechanical stirring, several cut steam from lower part into vapour branch pipe into separating on vapour supervisor in reaction unit
To entering in device, using sludge in tangential force agitating device, thus instead of mechanical stirring.Not only reduce the energy of reaction unit
Consumption, while making sludge heating more uniform, improve the efficiency of sludge pyrohydrolysis.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structure chart provided by the present invention for the pretreated reaction unit of sludge pyrohydrolysis；
Fig. 2 is the top view for the reaction unit that Fig. 1 is provided；
Fig. 3 is the structure chart of steam inlet device in the reaction unit of Fig. 1 offer；
Fig. 4 is the top view of steam inlet device in the reaction unit of Fig. 1 offer.
Description of symbols
1- pedestal 201- is responsible for into vapour
202- is into the total steam inlet pipe of vapour branch pipe 203-
3- end socket 4- cylinder
5- manhole 6- pressure gauge tube socket
7- thermometer tube socket 8- feed inlet
Vapor outlet 802- relief valve port more than 801-
9- visor 10- lifting lug
11- discharge port
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality be included in the term " around distribution shape " etc.
Only represent orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and be not construed as pair
The limitation of the term.
As Figure 1-Figure 4: the present invention provides one kind to be used for the pretreated reaction unit of sludge pyrohydrolysis, and feature exists
In the cylinder 4 that, the reaction unit includes pedestal 1 and is fixed on the pedestal 1, the bottom of the cylinder 4 is fixed with end socket
3, steam inlet device is provided on the end socket；The steam inlet device include the total steam inlet pipe 203 being fixed on the pedestal 1, with
Total steam inlet pipe 203 is connected and is fixed on being responsible for 201 into vapour, is multiple respectively with described into vapour supervisor on the end socket 3
201 be connected into vapour branch pipe 202；It is described to be extended at least partially into inside the cylinder 4 into vapour branch pipe 202, it is located at the cylinder
Described into venthole is provided on vapour branch pipe 202 inside body 4, multiple ventholes form ring around distribution, and described
Vapour direction and the ring out of venthole are tangent, so that being capable of forming tangential force from the steam that the venthole is discharged and stirring
Internal sludge.Reaction unit structure provided by the invention is simple, different from traditional mechanical stirring, in reaction unit into vapour master
Separated on pipe it is several enter steam in device from lower tangential into vapour branch pipe, using sludge in tangential force agitating device, thus
Instead of mechanical stirring.The energy consumption of reaction unit is not only reduced, while making sludge heating more uniform, improves sludge pyrohydrolysis
Efficiency.
In a preferred embodiment of the invention, in order to enable steam can be logically uniform from being responsible for 201 into vapour
Enter it is each into vapour branch pipe 202, guaranteeing that steam uniformly stir internal sludge, it is described into vapour supervisor 201 be circulating line, Duo Gesuo
State be vertically fixed on into the distribution of vapour branch pipe 202 it is described on vapour supervisor 201.
In a preferred embodiment of the invention, in order to enable steam can be logically uniform from being responsible for 201 into vapour
Enter it is each into vapour branch pipe 202, guarantee steam uniformly stir inside sludge, the quantity into vapour branch pipe 202 is no less than 4 groups,
It is arranged into vapour branch pipe 202 described into equidistant interval on vapour supervisor 201 described in multiple groups.
In a preferred embodiment of the invention, for convenience to being overhauled inside cylinder 4, the cylinder 4
Side wall is provided with manhole 5.
In a preferred embodiment of the invention, the temperature and pressure inside cylinder 4 is detected for convenience, is guaranteed
Pyrolyzing sludge is normally carried out, and the top of the cylinder 4 is respectively fixed with pressure gauge tube socket 6 and thermometer tube socket 7, the pressure
It is provided with pressure gauge on table tube socket 6, is provided with thermometer on the thermometer tube socket 7.
In a preferred embodiment of the invention, for convenience to being fed inside cylinder 4, extra steaming is discharged
Vapour and guarantee 4 internal pressure of cylinder safety, the top of the cylinder 4 is provided with the feed inlet being connected respectively with the cylinder 4
8, remaining vapor outlet 801 and relief valve port 802.
In a preferred embodiment of the invention, mobile cylinder 4 and discharging for convenience, the side of the cylinder 4
Wall is provided with visor 9, and the top of the cylinder 4 is provided with lifting lug 10；
The side wall of the cylinder 4 is additionally provided with the discharge port 11 being connected with the cylinder 4.
The present invention also provides a kind of pretreated methods of sludge pyrohydrolysis, and the method includes utilizing above-mentioned reaction dress
Set progress；Its step includes: 1, the good sludge of pulp is added in cylinder 4；2, steam is delivered to cylinder by total steam inlet pipe 203
In body 4, steam is passed through into vapour supervisor 201 and is discharged into vapour branch pipe 202, the steaming being discharged from the venthole on vapour branch pipe 202
Vapour is capable of forming tangential force and stirs internal sludge；3, after heating reaction, sludge injection pressure release is dropped into next device
Temperature processing.
In a preferred embodiment of the invention, in order to guarantee being normally carried out for pyrolyzing sludge, sludge hot is improved
Efficiency is solved, the pressure for being passed through steam is 0.6-0.8MPa.
In a preferred embodiment of the invention, in order to guarantee being normally carried out for pyrolyzing sludge, sludge hot is improved
Efficiency is solved, it is 165-170 DEG C that the condition for heating reaction, which includes: temperature, time 20-30min.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. one kind be used for the pretreated reaction unit of sludge pyrohydrolysis, which is characterized in that the reaction unit include pedestal (1) and
The bottom of the cylinder (4) being fixed on the pedestal (1), the cylinder (4) is fixed with end socket (3), is provided on the end socket
Steam inlet device；
The steam inlet device include be fixed on the pedestal (1) total steam inlet pipe (203), with total steam inlet pipe (203) phase
Be connected to and be fixed on the end socket (3) into vapour supervisor (201), multiple be connected respectively with described into vapour supervisor (201)
Into vapour branch pipe (202)；
It is described to extend at least partially into the cylinder (4) inside into vapour branch pipe (202), it is located at the described of the cylinder (4) inside
Venthole is provided on into vapour branch pipe (202), multiple ventholes form ring, and the vapour out of the venthole around distribution
Direction and the ring are tangent, so that being capable of forming tangential force from the steam that the venthole is discharged and stirring internal sludge.
2. reaction unit according to claim 1, which is characterized in that it is described into vapour supervisor (201) be circulating line, it is multiple
It is described be vertically fixed on into vapour branch pipe (202) distribution it is described on vapour supervisor (201).
3. reaction unit according to claim 2, which is characterized in that the quantity into vapour branch pipe (202) is no less than 4
Group, described in multiple groups into vapour branch pipe (202) described into equidistant interval setting on vapour supervisor (201).
4. reaction unit according to claim 1-3, which is characterized in that someone is arranged in cylinder (4) side wall
Hole (5).
5. reaction unit according to claim 1-4, which is characterized in that the top of the cylinder (4) is solid respectively
Surely there are pressure gauge tube socket (6) and thermometer tube socket (7), pressure gauge, the thermometer pipe are provided on the pressure gauge tube socket (6)
Thermometer is provided on seat (7).
6. reaction unit according to claim 1, which is characterized in that be provided at the top of the cylinder (4) respectively with institute
State feed inlet (8), remaining vapor outlet (801) and relief valve port (802) that cylinder (4) is connected.
7. reaction unit according to claim 1, which is characterized in that the side wall of the cylinder (4) is provided with visor (9),
Lifting lug (10) are provided at the top of the cylinder (4)；
The side wall of the cylinder (4) is additionally provided with the discharge port (11) being connected with the cylinder (4).
8. a kind of pretreated method of sludge pyrohydrolysis, which is characterized in that any in claim 1-7 the method includes utilizing
Reaction unit described in one carries out；
Its step includes:
1) the good sludge of pulp is added in cylinder (4)；
2) steam is delivered in cylinder (4) by total steam inlet pipe (203), steam is passed through into vapour supervisor (201) and into vapour branch pipe
(202) it is discharged, the steam being discharged from the venthole on vapour branch pipe (202) is capable of forming tangential force and stirs internal dirt
Mud；
3) after heating reaction, sludge injection pressure release is subjected to cooling processing into next device.
9. according to the method described in claim 8, it is characterized in that, the pressure for being passed through steam is 0.6-0.8MPa.
10. according to the method described in claim 8, it is characterized in that, heating reaction condition include: temperature be 165-170 DEG C,
Time is 20-30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910484110.2A CN110127985A (en) | 2019-06-05 | 2019-06-05 | One kind being used for the pretreated reaction unit of sludge pyrohydrolysis and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910484110.2A CN110127985A (en) | 2019-06-05 | 2019-06-05 | One kind being used for the pretreated reaction unit of sludge pyrohydrolysis and method |
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| CN110127985A true CN110127985A (en) | 2019-08-16 |
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| CN201910484110.2A Pending CN110127985A (en) | 2019-06-05 | 2019-06-05 | One kind being used for the pretreated reaction unit of sludge pyrohydrolysis and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499174A (en) * | 2019-09-20 | 2019-11-26 | 吉林伸飞环保能源有限公司 | A kind of yellow stalk asher device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0034872A1 (en) * | 1980-02-25 | 1981-09-02 | Erroll Paul Karel Dr.Ir. Ottens | Process of and installation for dehydrating protein-comprising sludge |
| CN101189190B (en) * | 2005-04-27 | 2011-06-08 | 环境能量技术股份有限公司 | Organic waste disposal facility and method of disposal |
| CN202461100U (en) * | 2012-02-27 | 2012-10-03 | 四川深蓝环保科技股份有限公司 | Hydrothermal reactor for treating biomass pollutants |
| CN107081330A (en) * | 2017-06-17 | 2017-08-22 | 山东众泰达工业装备有限公司 | A kind of rubbish pyrohydrolysis tank |
| CN109704529A (en) * | 2019-02-28 | 2019-05-03 | 上海同济普兰德生物质能股份有限公司 | A kind of sludge hot hydrolysis device |
-
2019
- 2019-06-05 CN CN201910484110.2A patent/CN110127985A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0034872A1 (en) * | 1980-02-25 | 1981-09-02 | Erroll Paul Karel Dr.Ir. Ottens | Process of and installation for dehydrating protein-comprising sludge |
| CN101189190B (en) * | 2005-04-27 | 2011-06-08 | 环境能量技术股份有限公司 | Organic waste disposal facility and method of disposal |
| CN202461100U (en) * | 2012-02-27 | 2012-10-03 | 四川深蓝环保科技股份有限公司 | Hydrothermal reactor for treating biomass pollutants |
| CN107081330A (en) * | 2017-06-17 | 2017-08-22 | 山东众泰达工业装备有限公司 | A kind of rubbish pyrohydrolysis tank |
| CN109704529A (en) * | 2019-02-28 | 2019-05-03 | 上海同济普兰德生物质能股份有限公司 | A kind of sludge hot hydrolysis device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499174A (en) * | 2019-09-20 | 2019-11-26 | 吉林伸飞环保能源有限公司 | A kind of yellow stalk asher device |
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Application publication date: 20190816 |