阅读说明：本技术 一种可调节滤料厚度的移动颗粒床除尘装置 (A kind of moving granular bed dust-extraction unit of adjustable filtrate thickness ) 是由 李松庚 都林 杨帅强 宋文立 于 2019-09-09 设计创作，主要内容包括：本发明涉及含尘气体除尘装置领域,具体涉及一种可调节滤料厚度的移动颗粒床除尘装置。本发明的装置包括床体,还包括滤料入口(1)、可调节床层厚度挡板(3)、滤料出口(4)、含尘气体入口(5)、干净气体出口(6)；其中,所述滤料入口(1)位于床体顶部,滤料出口(4)位于床体底部,含尘气体入口(5)位于床体侧壁的上部,干净气体出口(6)位于床体的含尘气体入口对侧侧壁下部；所述可调节床层厚度挡板(3)位于床体内部,竖直设置于含尘气体入口(5)与滤料入口(1)之间。本发明的装置结构简单、除尘效率高,床层厚度均匀可调,床料颗粒流动性好,过滤阻力低。(The present invention relates to dusty gas deduster fields, and in particular to a kind of moving granular bed dust-extraction unit of adjustable filtrate thickness.The inventive system comprises bed bodies, further include filtrate entrance (1), adjustable thickness of bed layer baffle (3), filtrate outlet (4), dusty gas entrance (5), clean gas outlet (6)；Wherein, the filtrate entrance (1) is located at the top of bed body, filtrate outlet (4) is located at bed body bottom, and dusty gas entrance (5) is located at the top of bed body side wall, and clean gas outlet (6) is located at the dusty gas entrance opposite side lower sidewall of bed body；The adjustable thickness of bed layer baffle (3) is located inside bed body, is vertically arranged between dusty gas entrance (5) and filtrate entrance (1).The device of the invention structure is simple, high dust collection efficiency, and thickness of bed layer is uniformly adjustable, and bed material mobility of particle is good, and filtration resistance is low.)

1. a kind of moving granular bed dust-extraction unit of adjustable filtrate thickness, including bed body, it is characterised in that: the mobile particle Bed dust-extraction unit further includes filtrate entrance (1), adjustable thickness of bed layer baffle (3), filtrate outlet (4), dusty gas entrance (5), clean gas outlet (6)；

Wherein, the filtrate entrance (1) is located at the top of bed body, and filtrate outlet (4) is located at bed body bottom, dusty gas entrance (5) Positioned at the top of bed body side wall, clean gas outlet (6) is located at the dusty gas entrance opposite side lower sidewall of bed body；

The adjustable thickness of bed layer baffle (3) is located inside bed body, is vertically arranged at dusty gas entrance (5) and filtrate entrance (1) between.

2. moving granular bed dust-extraction unit according to claim 1, which is characterized in that the moving granular bed dust-extraction unit Further include the adjustable filtrate baffle (2) inside bed body, is set between filtrate entrance (1) and filtrate outlet (4).

3. moving granular bed dust-extraction unit according to claim 2, which is characterized in that the adjustable filtrate baffle (2) It is obliquely installed.

4. moving granular bed dust-extraction unit according to claim 2, which is characterized in that the adjustable filtrate baffle (2) It is set as one or more.

5. moving granular bed dust-extraction unit according to claim 1 to 4, which is characterized in that the adjustable bed thickness Degree baffle (3) is set as one or more.

6. moving granular bed dust-extraction unit according to claim 1 to 4, which is characterized in that the adjustable bed thickness It spends baffle (3) top and is equipped with baffle adjustment axis (7), be connected by baffle adjustment axis (7) with outer handle.

7. moving granular bed dust-extraction unit according to claim 1, which is characterized in that moving granular bed dust-extraction unit includes There is granule filter material, the range that the thickness of filter bed that granule filter material is formed is adjusted is 5-2000mm.

Technical field

The present invention relates to dusty gas deduster fields, and in particular to a kind of moving granular bed mistake for handling dusty gas Filtering dust collecting device more particularly to a kind of it is applicable to that treatment temperature is high, viscosity is big, oil-containing dusty gas adjustable mobile particle Bed gas purifying and dedusting device.

Background technique

A large amount of dusty gas is often generated in actual industrial production, as high temperature dust pyrolysis oil gas, industry contain Dirt exhaust gas etc..At present to the purification method of high-temperature gas include wet dedusting, cyclone dust removal, electrostatic precipitation, bag type filtering dedusting, Sintered porous metal dust removal by filtration, ceramic foam filter dedusting and grain bed dedusting etc..Granular bed filter dedusting technology, which has, to be removed The advantages that dirt is high-efficient, high temperature resistant, and filtrate source used is wide, cheap, thus, widely paid close attention to.

Granular bed filter dedusting common at present has fixed bed and moving bed two ways.The operation of fixed bed filtering device is certain Time generally use replacement bed material or fluidisation blowback carry out deashing, single bed room have a rest formula operation, generally use double bed handover operation Carry out continuous production.Fixed bed cleaner takes up a large area, and invests more.Moving granular bed filter passes through granule filter material not Disconnected mobile update is operated, and is suitable for continuous production operation, is taken up little area.

A kind of application for a patent for invention " inclination Bed Filtration device and method " (notification number CN of China's bulletin 107096335 A), static filter material layer is set in the device tilt filtration bed body, and static filter material layer top is mobile filter material layer.By In using fixed filtering bed body, it is easy to cause dust in the fixed stratum granulosum accumulation in lower part, simultaneously as different filter bed material heap products Angle is different, is easy to cause bed material to accumulate in different location, bed material uneven thickness, it is difficult to guarantee the continuous moving of filtering particle, shadow Ring the normal operation of grain bed." a kind of adjustable moving bed stratum granulosum of thickness of filter bed is continuous for the application for a patent for invention of China's bulletin Filtration system " (notification number be 106964217 A of CN) provides a kind of adjustable moving bed stratum granulosum of thickness of filter bed and continuously filters System, comprising: feeding-passage, the first oblique filtration channel, longitudinal filtration channel, the second oblique filtration channel and the channel that gathers materials, It is connect at the top of feeding-passage bottom and the first oblique filtration channel, at the top of the first oblique filtration channel bottom and longitudinal filtration channel Connection, longitudinal filtration channel bottom are connect with the second oblique filtration channel top, the second oblique filtration channel bottom with gather materials it is logical Connection at the top of road；Filtering particle entrance is provided at the top of feeding-passage, feeding-passage bottom is close to the side of longitudinal filtration channel It is provided with grain thickness controllable register, the first oblique filtration channel side wall and the second oblique filtration channel side wall are correspondingly arranged on One smoke filtration mouth and the second smoke filtration mouth, the bottom of the channel that gathers materials are provided with discharging channel, are provided with discharge in discharging channel Valve.Bed material thickness is adjusted in the dust pelletizing system is influenced by longitudinal filtration channel, i.e., bed material must be filled with longitudinal filtration channel. Therefore the system bed material thickness can only be adjusted in lesser range.The filtering surface of first and second oblique filtration channels is by particle The influence of stocking angle is easy to cause dust to accumulate in inlet for being filtered using the lesser particle of stocking angle, accumulation Dust is difficult to take deduster out of by filtrate, and long-time service will cause gas access to block, and pressure drop increases.

Summary of the invention

The technical problem to be solved by the invention for the present situation of prior art is to provide a kind of adjustable filtrate thickness Moving granular bed dust-extraction unit.

The technical scheme of the invention to solve the technical problem is:

A kind of moving granular bed dust-extraction unit of adjustable filtrate thickness of the present invention, including bed body further include filter Expect entrance 1, adjustable thickness of bed layer baffle 3, filtrate outlet 4, dusty gas entrance 5, clean gas outlet 6；

Wherein, the filtrate entrance 1 is located at the top of bed body, and filtrate outlet 4 is located at bed body bottom, and dusty gas entrance 5 In the top of bed body side wall, clean gas outlet 6 is located at the dusty gas entrance opposite side lower sidewall of bed body；

The adjustable thickness of bed layer baffle 3 is located inside bed body, is vertically arranged at dusty gas entrance 5 and filtrate entrance Between 1.

Moving granular bed dust-extraction unit according to the present invention, wherein the moving granular bed dust-extraction unit further includes Adjustable filtrate baffle 2 inside bed body is set between filtrate entrance 1 and filtrate outlet 4.The adjustable filtrate gear Plate 2 is obliquely installed.

Moving granular bed dust-extraction unit according to the present invention, it is further preferred that the adjustable filtrate baffle 2 can To be set as one or more.The adjustable thickness of bed layer baffle 3 can be set to one or more.When adjustable When section filtrate baffle plate setting is more than two, multiple adjustable filtrate baffles can form shutter form, and filtrate gear is adjusted To be coaxial detachable, adjustable filtrate baffle connecting shaft is connect plate with outer handle.According to the stocking angle of different filtrates, using outer The angle of portion's handle adjusting internal adjustable filtrate baffle.The angle of adjustable filtrate baffle is greater than or equal to particle packing angle.

Moving granular bed dust-extraction unit according to the present invention, wherein being used as a kind of selection, the adjustable bed thickness Degree 3 top of baffle is also provided with baffle adjustment axis 7, is connected by baffle adjustment axis 7 with outer handle.In being adjusted by handle The height of portion's baffle, to control the filtering height of stratum granulosum.

Moving granular bed dust-extraction unit according to the present invention, wherein preferably, the filtrate entrance 1 is exported with filtrate 4 diagonal settings, the dusty gas entrance 5 and the diagonally setting of clean gas outlet 6.

Moving granular bed dust-extraction unit according to the present invention, wherein contain particle in moving granular bed dust-extraction unit Filtrate, filtering material particle used generally comprises 0.5-8mm spherical shape or aspherical particle, such as Ceramic Balls, perlite, sandstone, active carbon Deng.The range that the thickness of filter bed that granule filter material is formed is adjusted is 5-2000mm.As a kind of selection, the thickness of filter bed can be 30mm-500mm, such as specially 200mm or 250mm.

Adjustable thickness of bed layer baffle of the invention can be adjusted individually according to required filtrate thickness of bed layer.

Further, the present invention is not specially limited the specific material of the material of adjustable thickness of bed layer baffle used, As long as the material of dusty gas temperature can be resisted.It is not limited to refractory metal material, is also possible to other resistance to height Warm non-metallic material, such as inorganic non-metallic material resistant to high temperature or organic material.

Filtrate used in the present invention can be moved intermittently or serially in operation.

The technical problem to be solved by the present invention is to be directed to the prior art since thickness of bed layer unevenness bring gas flows With particle flow unevenness, filtration resistance is caused to increase, dust influences the proper flow of bed material particle, shadow in bed material building up inside Ring industrial production.Existing Bed Filtration baffle is fixed, dusty gas especially high temperature dust oil-containing gases such as coal pyrolysis gas into When row filtering, dust can be accumulated at filtrate baffle, influence bed material particle flow, and the corrosive deposit in dust will cause filtrate gear Plate corrosion.The present invention may be implemented dust inside bed and be uniformly distributed by the way that thickness of filter bed is adjusted, and guarantee that bed material is caught The dust of collection can take grain bed out of in time.It can be by adjusting bed material gear when due to various reasons dust accumulation occurs for part Plate angle degree reduces dust and accumulates in bed material baffle, guarantees that production is normally carried out.The device of the invention structure is simple, efficiency of dust collection Height, thickness of bed layer is uniformly adjustable, and bed material mobility of particle is good, and filtration resistance is low.Solve conventional moving bed efficiency of dust collection it is low and Bed material, which is unable to continuous-stable movement etc., influences industrial problem.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the moving granular bed dust-extraction unit of adjustable filtrate thickness of the invention, arrow in figure For gas flow direction；

Appended drawing reference

1, filtrate entrance, 2, adjustable filtrate baffle, 3, adjustable thickness of bed layer baffle, 4, filtrate outlet, 5, ash-laden gas Body entrance, 6, clean gas outlet, 7, baffle adjustment axis, 8, the bed material granulation mass buildup that thickness of bed layer baffle is not adjusted Face.

Specific embodiment

Apparatus of the present invention are described in further detail below in conjunction with figure embodiment.

As shown in Figure 1, the moving granular bed dust-extraction unit of adjustable filtrate thickness of the invention, including bed body, further include Filtrate entrance 1, adjustable thickness of bed layer baffle 3, filtrate outlet 4, dusty gas entrance 5, clean gas outlet 6；Wherein, described Filtrate entrance 1 is located at the top of bed body, and filtrate outlet 4 is located at bed body bottom, and dusty gas entrance 5 is located at the top of bed body side wall, Clean gas outlet 6 is located at the dusty gas entrance opposite side lower sidewall of bed body；The adjustable thickness of bed layer baffle 3 is located at bed Internal portion is vertically arranged between dusty gas entrance 5 and filtrate entrance 1.

The moving granular bed dust-extraction unit further includes the adjustable filtrate baffle 2 inside bed body, is set to filtrate Between entrance 1 and filtrate outlet 4.The adjustable filtrate baffle 2 can be set to one or more and (13 be arranged in figure Adjustable filtrate baffle is that example not limits).The adjustable thickness of bed layer baffle 3 can be set to one or more (it is that example not limits that 4 adjustable thickness of bed layer baffles are arranged in figure).When adjustable filtrate baffle plate setting is two or more When, multiple adjustable filtrate baffles can form shutter form, and it is coaxial detachable, adjustable filtrate that filtrate baffle, which is adjusted, Baffle connecting shaft is connect with outer handle.

Adjustable 3 top of thickness of bed layer baffle is also provided with baffle adjustment axis 7, by baffle adjustment axis 7 and outside Portion's handle is connected.The height that interior panelling is adjusted by handle, to control the filtering height of stratum granulosum.

The filtrate entrance 1 and the diagonally setting of filtrate outlet 4, the dusty gas entrance 5 and clean gas outlet 6 are diagonal Setting.

When the adjustable moving granular bed dust-extraction unit processing dusty gas of the thickness of filter bed using invention, selected particle filter Material is entered inside device by filtrate entrance 1 forms filtering layer, adjusts adjustable filtrate baffle 2 to certain angle, the angle and filter Expect the consistent in or greater than filtrate stocking angle of stocking angle；According to filtrate thickness, using baffle adjustment axis 7 by adjustable thickness of bed layer baffle 3 are adjusted to certain altitude.Dusty gas is entered by dusty gas entrance 6, and from top to bottom through filter layer, granule filter material goes out through filtrate 4 separating devices of mouth.Clean gas after filtration treatment exports 6 dischargers from clean gas.