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CN208493434U - The continuous dust removal by filtration system of pyrolysis oil high pressure - Google Patents

The continuous dust removal by filtration system of pyrolysis oil high pressure Download PDF

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Publication number
CN208493434U
CN208493434U CN201820959850.8U CN201820959850U CN208493434U CN 208493434 U CN208493434 U CN 208493434U CN 201820959850 U CN201820959850 U CN 201820959850U CN 208493434 U CN208493434 U CN 208493434U
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China
Prior art keywords
oil
filter device
pyrolysis
filter
pyrolysis oil
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Expired - Fee Related
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CN201820959850.8U
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Chinese (zh)
Inventor
孟海波
马腾
姚宗路
赵立欣
丛宏斌
霍丽丽
贾吉秀
吴雨浓
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Chinese Academy of Agricultural Engineering CAAE
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Chinese Academy of Agricultural Engineering CAAE
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Abstract

The utility model discloses a kind of continuous dust removal by filtration systems of pyrolysis oil high pressure, belong to pyrolysis engineering field, lower to solve pyrolysis gas purifying and dedusting efficiency, condense the higher problem of dustiness in the pyrolysis oil being collected into.Including steam generator, crude oil holding vessel, filter device, crude oil holding vessel connects filter device, it further includes steam-traced pipe, high-pressure oil pump, oil return line, steam-traced pipe is equipped between steam generator and crude oil holding vessel, high-pressure oil pump is equipped between crude oil holding vessel and multilevel screen filter device, oil return line is equipped between multilevel screen filter device and crude oil holding vessel, multilevel screen filter device is at least two-stage.The utility model pyrolysis oil dust removal by filtration device takes the continuous filter type of high pressure, removes solid impurity in pyrolysis oil, and the high-efficiency cleaning that pyrolysis oil may be implemented utilizes.

Description

The continuous dust removal by filtration system of pyrolysis oil high pressure
Technical field
The utility model belongs to pyrolysis engineering field, and in particular to a kind of continuous dust removal by filtration system of pyrolysis oil high pressure.
Background technique
Coal is with a very important position in China's energy resource structure, and shared ratio is 70% or so in energy consumption. But a large amount of bazardous waste can be generated in coal-fired process, such as: CO2, SO2, nitrogen oxides and dust etc..Meanwhile it is growing Demand but also existing energy resource structure faces very big pressure, it is extremely urgent to develop the clean supplement energy.With coal facies ratio, Biomass energy belongs to clean energy resource, and the development and utilization of biomass energy advantageously reduces CO2Discharge amount.Biomass production and the energy The CO discharged using process2It can be included in nature carbon cycle, realize zero-emission.Biomass pyrolytic is a kind of using biomass energy Important way, thermal decomposition product bio oil have many advantages, such as energy density height, easily storage, transport.But due to biomass pyrolytic work Skill is more, and the effect is unsatisfactory for partial thermal decomposition craft dust removal, and dustiness is higher in this pyrolysis oil for causing condensation to be collected into, seriously Constrain the utilization of biomass pyrolysis oil.
Utility model content
The purpose of the utility model is to provide a kind of continuous dust removal by filtration systems of pyrolysis oil high pressure, to solve pyrolysis gas purification Efficiency of dust collection is lower, condenses the higher problem of dustiness in the pyrolysis oil being collected into.
Technical solutions of the utility model are as follows: a kind of continuous dust removal by filtration system of pyrolysis oil high pressure, including steam generator, Crude oil holding vessel, filter device, crude oil holding vessel connect filter device, it further includes steam-traced pipe, high-pressure oil pump, oil return Pipeline is equipped with steam-traced pipe, crude oil holding vessel and multilevel screen filter device between steam generator and crude oil holding vessel Between be equipped with high-pressure oil pump, between multilevel screen filter device and crude oil holding vessel be equipped with oil return line, multilevel screen filtering dress Set at least two-stage.
As a further improvement of the utility model, the multilevel screen filter device include level-one the screen to filtrate device, Second level the screen to filtrate device and three-level the screen to filtrate device are equipped with differential pressure pickup on every grade of the screen to filtrate device.
The filtering accuracy of the filter core of the level-one the screen to filtrate device is 0.1- as a further improvement of the utility model, 1mm, filter core diameter are 20-40mm, and the length of filter core is 0.5-1m, and the tube spacing of adjacent filter core is 1.5~2 times of filter core diameters.
The filtering accuracy of the filter core of the second level the screen to filtrate device is 10- as a further improvement of the utility model, 100mm, filter core diameter are 20-40mm, and the length of filter core is 0.5-1m, and the tube spacing of adjacent filter core is that 1.5~2 times of filter cores are straight Diameter.
The filtering accuracy of the filter core of the three-level the screen to filtrate device is 1- as a further improvement of the utility model, 10mm, filter core diameter are 20-40mm, and the length of filter core is 0.5-1m, and the tube spacing of adjacent filter core is 1.5~2 times of filter core diameters.
The utility model pyrolysis oil dust removal by filtration device takes the continuous filter type of high pressure, and it is miscellaneous to remove solid in pyrolysis oil Matter, the high-efficiency cleaning that pyrolysis oil may be implemented utilize.
The advantages of the utility model are as follows:
1. steam tracing and pyrolysis oil reflux can enhance the heated uniformity of pyrolysis oil, avoid pyrolysis oil localized hyperthermia poly- It closes, mobility needed for not only providing filtering, but also maintains the original quality of pyrolysis oil.
2. high-pressure filteration improves the efficiency of pyrolysis oil filtering, cycle multistage filtering improves heat after filter efficiency and filtering The quality of oil is solved, meanwhile, the setting of reserve filter ensure that the continuity of pyrolysis oil filtering technique.
3. can meet different pyrolysis oils by changing screen mesh size and utilize requirement of the technique to pyrolysis oil percentage of impurity.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of continuous dust removal by filtration system of pyrolysis oil high pressure.
Attached drawing meaning is as follows: 1. steam generators;2. steam-traced pipe;3. crude oil holding vessel;4. level-one the screen to filtrate Device;5. second level the screen to filtrate device;6. three-level the screen to filtrate device;7. high-pressure oil pump;8. oil return line;9. oil outlet pipe; 10. essential oil holding vessel;11. differential pressure pickup.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawing.
As shown, a kind of continuous dust removal by filtration system of pyrolysis oil high pressure, including steam generator 1, crude oil holding vessel 3, Filter device, crude oil holding vessel 3 connect filter device, it is characterised in that: it further include steam-traced pipe 2, high-pressure oil pump 7, Oil return line 8 is equipped with steam-traced pipe 2, crude oil holding vessel 3 and multilevel screen between steam generator 1 and crude oil holding vessel 3 It is equipped with high-pressure oil pump 7 between filter device, oil return line 8 is equipped between multilevel screen filter device and crude oil holding vessel 3, it is multistage The screen to filtrate device is at least two-stage.According to the difference of pyrolysis oil quality requirements, two-stage can be used or be further added by more filtration grades Number.The outlet end of multilevel screen filter device connects essential oil holding vessel 10 by oil outlet pipe 9.
Embodiment 1
Tar filter pipeline is all made of heating and thermal insulation, such as steam-traced pipe 2 uses heating and thermal insulation.Steam pipework belongs to Heat tracing pipeline, i.e. steam are heat sources, therefore steam pipework only takes Insulation;In addition to this, heating and thermal insulation pipeline also wraps Other tar circulation filtering pipelines are included, such as: pyrolysis oil enters the pipeline before filter.
Multilevel screen filter device includes level-one the screen to filtrate device 4, second level the screen to filtrate device 5 and three-level the screen to filtrate Device 6 is equipped with differential pressure pickup 11 on every grade of the screen to filtrate device.Every grade of the screen to filtrate device includes two the screen to filtrates Device, each granular membrane include the filter core of multiple parallel connections, and the tube head at filter core both ends is separately fixed at the upper of filter At lower perforated plate, filtering tube bank is constituted;Filter core tube bank is arranged in equilateral triangle.
The filtering accuracy of the filter core of level-one the screen to filtrate device is 0.1-1mm, and filter core diameter is 20-40mm, the length of filter core Degree is 0.5-1m, and the tube spacing of adjacent filter core is 1.5~2 times of filter core diameters.
The filtering accuracy of the filter core of second level the screen to filtrate device is 10-100mm, and filter core diameter is 20-40mm, the length of filter core Degree is 0.5-1m, and the tube spacing of adjacent filter core is 1.5~2 times of filter core diameters.
The filtering accuracy of the filter core of three-level the screen to filtrate device is 1-10mm, and filter core diameter is 20-40mm, the length of filter core For 0.5-1m, the tube spacing of adjacent filter core is 1.5~2 times of filter core diameters.
Filter core uses existing product, and filter core material is the stainless steel of high-temperature-resistant and anti-corrosion, and filter core is mainly burnt by metallic multilayer Netting or metal powder sintered net composition.
A kind of the step of pyrolysis oil high pressure continuous dust removal by filtration, is as follows:
A, the unfiltered pyrolysis oil in crude oil holding vessel 3 is first heated to 60-90 DEG C, to improve pyrolysis oil mobility, Heating method is steam tracing, and steam is from steam generator 1;
B, oil return line 8 is opened, high-pressure oil pump 7 is started, pyrolysis oil is first made to carry out slightly mistake by level-one the screen to filtrate device 4 Filter removes bulky grain solid impurity, circulating filtration 3-5 times;
C, pyrolysis oil is switched to second level the screen to filtrate device 5 carefully to be filtered, removes little particle dust, circulating filtration 4- 6 times;
D, pyrolysis oil is switched into three-level the screen to filtrate device 6 and carries out smart filtering, further remove the dust in pyrolysis oil And charcoal, circulating filtration 5-8 times;
E, filtered pyrolysis oil is delivered in essential oil holding vessel 10 by oil outlet pipe 9.
The screen to filtrate devices at different levels are provided with differential pressure pickup, after filter screen two sides pressure difference is more than setting upper limit value, Differential pressure pickup is automatically switched to pyrolysis oil one of granular membrane (reserve filter) by control electrically operated valve, is guaranteed The continuity of pyrolysis oil filtering, sets upper pressure limit value as 10-20kPa.

Claims (5)

1.一种热解油高压连续过滤除尘系统,包括蒸汽发生器、粗油储存罐、过滤装置,粗油储存罐连接过滤装置,其特征在于:它还包括蒸汽伴热管路(2)、高压油泵(7)、回油管路(8),蒸汽发生器(1)和粗油储存罐(3)之间设有蒸汽伴热管路(2),粗油储存罐(3)与多级筛网过滤装置之间设有高压油泵(7),多级筛网过滤装置与粗油储存罐(3)之间设有回油管路(8),多级筛网过滤装置至少为两级。1. A high-pressure continuous filtration and dust removal system for pyrolysis oil, comprising a steam generator, a crude oil storage tank, a filter device, and the crude oil storage tank is connected to the filter device, characterized in that: it also includes a steam tracing pipeline (2), a high-pressure The oil pump (7), the oil return line (8), the steam generator (1) and the crude oil storage tank (3) are provided with a steam tracing line (2), the crude oil storage tank (3) and the multi-stage screen A high-pressure oil pump (7) is arranged between the filter devices, an oil return pipeline (8) is arranged between the multi-stage screen filter device and the crude oil storage tank (3), and the multi-stage screen filter device has at least two stages. 2.根据权利要求1所述的热解油高压连续过滤除尘系统,其特征在于:所述多级筛网过滤装置包括一级筛网过滤装置(4)、二级筛网过滤装置(5)和三级筛网过滤装置(6),每级筛网过滤装置上均设有压差传感器(11)。2. The high-pressure continuous filtration and dust removal system for pyrolysis oil according to claim 1, characterized in that: the multi-stage screen filter device comprises a first-level screen filter device (4) and a second-level screen filter device (5) and a three-stage screen filter device (6), each screen filter device is provided with a differential pressure sensor (11). 3.根据权利要求2所述的热解油高压连续过滤除尘系统,其特征在于:所述一级筛网过滤装置的滤芯的过滤精度为0.1-1mm,滤芯直径为20-40mm,滤芯的长度为0.5-1m,相邻滤芯的管间距为1.5~2倍滤芯直径。3. The high-pressure continuous filtration and dust removal system for pyrolysis oil according to claim 2, wherein the filter element of the first-stage screen filter device has a filtration precision of 0.1-1mm, a filter element diameter of 20-40mm, and a length of the filter element. It is 0.5-1m, and the pipe spacing between adjacent filter elements is 1.5 to 2 times the diameter of the filter element. 4.根据权利要求2所述的热解油高压连续过滤除尘系统,其特征在于:所述二级筛网过滤装置的滤芯的过滤精度为10-100mm,滤芯直径为20-40mm,滤芯的长度为0.5-1m,相邻滤芯的管间距为1.5~2倍滤芯直径。4. The high-pressure continuous filtration and dust removal system for pyrolysis oil according to claim 2, wherein the filter element of the secondary screen filter device has a filtration precision of 10-100mm, a filter element diameter of 20-40mm, and a length of the filter element. It is 0.5-1m, and the pipe spacing between adjacent filter elements is 1.5 to 2 times the diameter of the filter element. 5.根据权利要求2所述的热解油高压连续过滤除尘系统,其特征在于:所述三级筛网过滤装置的滤芯的过滤精度为1-10mm,滤芯直径为20-40mm,滤芯的长度为0.5-1m,相邻滤芯的管间距为1.5~2倍滤芯直径。5. The high-pressure continuous filtration and dust removal system for pyrolysis oil according to claim 2, characterized in that: the filtering precision of the filter element of the three-stage screen filter device is 1-10mm, the diameter of the filter element is 20-40mm, and the length of the filter element is 20-40mm. It is 0.5-1m, and the pipe spacing between adjacent filter elements is 1.5 to 2 times the diameter of the filter element.
CN201820959850.8U 2018-06-21 2018-06-21 The continuous dust removal by filtration system of pyrolysis oil high pressure Expired - Fee Related CN208493434U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108479154A (en) * 2018-06-21 2018-09-04 农业部规划设计研究院 The continuous dust removal by filtration system and method for pyrolysis oil high pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108479154A (en) * 2018-06-21 2018-09-04 农业部规划设计研究院 The continuous dust removal by filtration system and method for pyrolysis oil high pressure

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Granted publication date: 20190215

Termination date: 20210621