CN207108780U - A kind of sludge drier in methanol-to-olefins device - Google Patents
A kind of sludge drier in methanol-to-olefins device Download PDFInfo
- Publication number
- CN207108780U CN207108780U CN201720712776.5U CN201720712776U CN207108780U CN 207108780 U CN207108780 U CN 207108780U CN 201720712776 U CN201720712776 U CN 201720712776U CN 207108780 U CN207108780 U CN 207108780U
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- Prior art keywords
- rotary drum
- drier
- sludge
- scraper plate
- methanol
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- 239000010802 sludge Substances 0.000 title claims abstract description 47
- 239000003921 oil Substances 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 abstract description 7
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- 239000010801 sewage sludge Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses the sludge drier in a kind of methanol-to-olefins device, including drier, the drier inner bottom part opening position is provided with slurry pool, the top position of the slurry pool is provided with the first rotary drum, the outside of first rotary drum is provided with the second scraper plate, opening position in the drier directly over the first rotary drum is provided with the second rotary drum, the outside of second rotary drum is provided with the 3rd scraper plate, cooler is connected with by pipeline at the top of the drier, described cooler one end is connected with the top of drier by pipeline, the other end is connected by pipeline and sets water collecting tank.The beneficial effects of the utility model are, the dried recovered of sewage sludge solid is carried out using the first rotary drum, the recycling that the condensation of sludge oils reclaims and used cooler to carry out sludge water content is carried out using the second rotary drum, effectively the sludge in pulp-like can be dried, and collect the oils being evaporated and moisture reduction heat exchanger blocking respectively and be advantageous to sewage disposal.
Description
Technical field
It the utility model is related to sludge treatment device technical field in Chemical Manufacture, and in particular to a kind of methanol-to-olefins dress
Sludge drier in putting.
Background technology
The Circulating Fluidized Bed Process that methanol-to-olefins device uses, catalyst have a certain amount of mill during ciculation fluidized
Damage, the fine powder after abrasion enters chilling water wash system with reaction gas, causes to contain a certain amount of catalysis in chilled water (chw), washing water
Agent fine powder, easily heat exchanger, wastewater disposal basin, waste water tank etc. deposit in facility.Device leads to the height water containing solid waste of above-mentioned position
The facilities such as centrifuge, filter are crossed, the sludge of solid content about 50%, sludge journey pulp-like are obtained after progressive concentration.Typically as
Dangerous fixed-end forces.Through analysis, methanol-to-olefins device has a certain amount of during the course of the reaction due to certain side reaction be present
Oils, main component is multi-methyl benzene（Mainly contain 3-6 methyl）, these melting point substances, boiling point are higher, are easily accumulated in
It is bundled together in water with the catalyst in water, so causing to contain substantial amounts of oils, content in methanol-to-olefins apparatus sewage sludge
Up to 10 ~ 20%.
Above-mentioned sludge is directed to, if be dried by the drying facility of routine, when minimizing is handled, is directly discharged,
The multi-methyl benzene carried secretly in sludge can pollute to environment, if directly cooled down using just cooling facility, easily gather and changing
On hot device, heat transfer effect is influenceed, so as to influence drying effect.
Utility model content
For problems of the prior art, the utility model provides a kind of methanol-to-olefins device rational in infrastructure
The drying equipment of middle sludge.
The technical solution of the utility model is as follows：
Sludge drier in a kind of methanol-to-olefins device, it is characterised in that including drier, in the drier
Bottom position is provided with slurry pool, and the top position of the slurry pool is provided with the first rotary drum, and the outside of first rotary drum is provided with
Second scraper plate, the drier outside are provided with sludge collecting tank, described second scraper plate one end in the opening position close to the first rotary drum
Press close to the outer wall of the first rotary drum, the other end is passed through sludge collecting tank, the position being located in the drier directly over the first rotary drum
Place is provided with the second rotary drum, and the outside of second rotary drum is provided with the 3rd scraper plate, and the drier outside is close to the second rotary drum
Opening position is provided with oils collecting tank, and the outer wall of the second rotary drum is pressed close in described 3rd scraper plate one end, and the other end is passed through oils collecting tank,
Cooler is connected with by pipeline at the top of the drier, described cooler one end is connected with the top of drier by pipeline,
The other end is connected by pipeline and sets water collecting tank.
Sludge drier in a kind of described methanol-to-olefins device, it is characterised in that outside first rotary drum
Side is provided with the first scraper plate in the side relative with the second wiper positions.
Sludge drier in a kind of described methanol-to-olefins device, it is characterised in that first scraper plate, second
Between scraper plate and the first rotary drum and the distance between the 3rd scraper plate and the second rotary drum can carry out as needed it is corresponding adjust, and
One rotary drum can also carry out corresponding adjust as needed to the rotating speed of the second rotary drum.
Sludge drier in a kind of described methanol-to-olefins device, it is characterised in that the second scraper plate end
It is connected indirectly with sludge collecting tank directly or by pipeline.
Sludge drier in a kind of described methanol-to-olefins device, it is characterised in that the 3rd scraper plate end
It is connected indirectly with oils collecting tank directly or by pipeline.
The beneficial effects of the utility model are to carry out the dried recovered of sewage sludge solid, using second turn using the first rotary drum
Drum is carried out the condensation recovery of sludge oils and the recycling of sludge water content is carried out using cooler, effectively can will be in slurry
The sludge of shape is dried, and collects the oils being evaporated and moisture reduction heat exchanger blocking respectively and be advantageous at sewage
Reason；Smearing thickness of the slurry on the first rotary drum can be controlled using the first scraper plate, improve the effect of drying sludge；Using second
Scraper plate and the 3rd scraper plate can reclaim to sewage sludge solid and oils respectively, and can ensure that the cooling effect of the second rotary drum；Adopt
Moisture can be recycled with cooler, because being provided with the second cooler drum, oils is cooled down in advance, so originally changing
Hot device is not susceptible to the influence of oils enrichment, it can be ensured that cooling effect；Can be disposably to sewage sludge solid, oils using the device
It and moisture is recycled, and can continuously run without interruption, improve the efficiency of Treatment of Sludge.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1- driers, the rotary drums of 2- first, the scraper plates of 3- first, 4- slurry pools, 5- sludge collecting tanks, the scraper plates of 6- second,
7- oils collecting tanks, the scraper plates of 8- the 3rd, 9- coolers, 10- water collecting tanks, the rotary drums of 11- second.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in figure 1, in a kind of methanol-to-olefins device sludge drying equipment and technique, including 1, first turn of drier
Drum 2, the first scraper plate 3, slurry pool 4, sludge collecting tank 5, the second scraper plate 6, oils collecting tank 7, the 3rd scraper plate 8, cooler 9, water
The rotary drum 11 of collecting tank 10 and second.The inner bottom part opening position of drier 1 is provided with slurry pool 4, and the top position of slurry pool 4 is provided with first
Rotary drum 2, the outside of the first rotary drum 2 are provided with the second scraper plate 6, and the outside of drier 1 is provided with sludge in the opening position close to the first rotary drum 2
The outer wall of the first rotary drum 2 is pressed close in collecting tank 5, the one end of the second scraper plate 6, and the other end is passed directly into sludge collecting tank 5, the first rotary drum
2 outside is provided with the first scraper plate 3 in the side relative with the position of the second scraper plate 6, and the first scraper plate 3 and the outer wall of the first rotary drum 2 it
Between distance can accordingly be adjusted as needed；Opening position in drier 1 directly over the first rotary drum 2 is provided with second turn
Drum 11, the outside of the second rotary drum 11 are provided with the 3rd scraper plate 8, and the outside of drier 1 is set in the opening position close to the second rotary drum 11
There is oils collecting tank 7, the outer wall of the second rotary drum 11 is pressed close in described one end of 3rd scraper plate 8, and the other end is connected into oil by pipeline enclosure
In class collecting tank 7, the top of drier 1 is connected with cooler 9 by pipeline, and described one end of cooler 9 is pushed up with drier 1
Portion is connected by pipeline, and the other end is connected by pipeline and sets water collecting tank 10.
Sludge drying process in methanol-to-olefins device, step are as follows：
1）The conveying of sludge；By the sludge of pulp-like in methanol-to-olefins device,（Solids content 30-60%, oil content：
10-20%, moisture 30-40%）It is delivered to by hopper or auger in slurry pool 4.2）The drying of solid and receipts in sludge
Collection；Start the first rotary drum 2, while the inner side of the first rotary drum 2 is heated using low-pressure steam, the surface temperature control of the first rotary drum 2 exists
105-130 DEG C, preferably 115 °；The distance between the first scraper plate 3 and the first rotary drum 2 are adjusted, control slurry is on the first rotary drum 2
Smearing thickness；Adjust the rotating speed of the first rotary drum 2 and the temperature control slurry drying speed of heating；Second scraper plate 6 is by the first rotary drum 2
Upper dried sewage sludge solid composition scrapes, and is delivered to sludge collecting tank 5.3）The condensation and collection of oils in sludge；Start
Start the second rotary drum 11 while first rotary drum 2, while cooled down to being passed through cooling water in the second rotary drum 11, the second rotary drum 11
Surface temperature is at 80-105 DEG C, preferably 95 °；Step 2）The oils evaporated while middle sludge heat drying is in the second rotary drum 11
Surface condensation；3rd scraper plate 8 scrapes the oils of the surface condensation of the second rotary drum 11, and is delivered to 7 in oils collecting tank.4）Sludge
The condensation and collection of middle moisture；Step 2）The moisture evaporated while sludge heat drying is from the top of drier 1 by pipeline
It is delivered to cooler 9 to condense, the steam in drier 1 out is cooled to less than 40 DEG C by cooler 9, and is delivered to water collecting tank
10。
Claims (5)
1. the sludge drier in a kind of methanol-to-olefins device, it is characterised in that including drier（1）, the drier
（1）Inner bottom part opening position is provided with slurry pool（4）, the slurry pool（4）Top position be provided with the first rotary drum（2）, described first
Rotary drum（2）Outside be provided with the second scraper plate（6）, the drier（1）Outside is close to the first rotary drum（2）Opening position be provided with dirt
Mud collecting tank（5）, second scraper plate（6）The first rotary drum is pressed close in one end（2）Outer wall, the other end is passed through sludge collecting tank（5）,
The drier（1）Inside it is located at the first rotary drum（2）The opening position of surface is provided with the second rotary drum（11）, second rotary drum（11）
Outside be provided with the 3rd scraper plate（8）, the drier（1）Outside is close to the second rotary drum（11）Opening position provided with oils collect
Tank（7）, the 3rd scraper plate（8）The second rotary drum is pressed close in one end（11）Outer wall, the other end is passed through oils collecting tank（7）, it is described
Drier（1）Top is connected with cooler by pipeline（9）, the cooler（9）One end and drier（1）Top passes through pipe
Road is connected, and the other end is connected by pipeline and sets water collecting tank（10）.
2. the sludge drier in a kind of methanol-to-olefins device according to claim 1, it is characterised in that described
One rotary drum（2）Outside with the second scraper plate（6）The relative side in position is provided with the first scraper plate（3）.
3. the sludge drier in a kind of methanol-to-olefins device according to claim 2, it is characterised in that described
One scraper plate（3）, the second scraper plate（6）With the first rotary drum（2）Between and the 3rd scraper plate（8）With the second rotary drum（11）The distance between
Can accordingly it be adjusted as needed, and the first rotary drum（2）With the second rotary drum（11）Rotating speed can also carry out as needed accordingly
Regulation.
4. the sludge drier in a kind of methanol-to-olefins device according to claim 1, it is characterised in that described
Two scraper plates（6）End directly or by pipeline indirectly with sludge collecting tank（5）Connection.
5. the sludge drier in a kind of methanol-to-olefins device according to claim 1, it is characterised in that described
Three scraper plates（8）End directly or by pipeline indirectly with oils collecting tank（7）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720712776.5U CN207108780U (en) | 2017-06-19 | 2017-06-19 | A kind of sludge drier in methanol-to-olefins device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720712776.5U CN207108780U (en) | 2017-06-19 | 2017-06-19 | A kind of sludge drier in methanol-to-olefins device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207108780U true CN207108780U (en) | 2018-03-16 |
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ID=61587678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720712776.5U Active CN207108780U (en) | 2017-06-19 | 2017-06-19 | A kind of sludge drier in methanol-to-olefins device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207108780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265818A (en) * | 2017-06-19 | 2017-10-20 | 浙江兴兴新能源科技有限公司 | The drying equipment and technique of sludge in a kind of methanol-to-olefins device |
-
2017
- 2017-06-19 CN CN201720712776.5U patent/CN207108780U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265818A (en) * | 2017-06-19 | 2017-10-20 | 浙江兴兴新能源科技有限公司 | The drying equipment and technique of sludge in a kind of methanol-to-olefins device |
| CN107265818B (en) * | 2017-06-19 | 2023-04-25 | 浙江兴兴新能源科技有限公司 | Drying equipment and process for sludge in methanol-to-olefin device |
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