阅读说明：本技术 一种耐高温增压分级式复合除尘器 (A kind of high temperature resistant pressurization stagewise complex dust collector ) 是由 朱大胜 张彬玢 王科伟 赵钒智 季尧杰 于 2019-09-11 设计创作，主要内容包括：本发明提供了一种耐高温增压分级式复合除尘器,增压进气机构延除尘器筒壁的切线方向安装在外壁上,耐高温复合除尘机构,包括陶瓷滤套和滤芯,设有两层管板,管板将除尘室分割为上中下三部分,最上层管板多排悬挂滤芯,最下层管板多排悬挂陶瓷滤套,滤芯和陶瓷滤套一一对应,每个陶瓷滤套套在对应的滤芯外,滤芯滤套上设有细密通孔,孔径比滤芯表面孔径大,陶瓷滤套一端开口与管板法兰连接,一端开口和滤套清灰装置连接,滤套清灰装置一端为进风口,另一端和灰斗连接。本发明中有多个除尘结构将烟气中的粉尘按颗粒大小进行分类回收,拥有足够的压力完成多级分离解决了现有技术中存在的因高温损坏,压力不足而导致的除尘效果太差的问题。(The present invention provides a kind of high temperature resistants to be pressurized stagewise complex dust collector, super charge mechanism prolongs the tangential direction installation of tube wall of dust settler on the outer wall, high temperature resistant composite dedusting mechanism, including ceramic filter ruffle and filter core, equipped with two layers of tube sheet, dirt pocket is divided into upper, middle and lower three parts by tube sheet, the multiple rows of suspension filter core of top layer's tube sheet, the ceramic filter ruffle of the multiple rows of suspension of lowest level tube sheet, filter core and ceramic filter ruffle correspond, each ceramics filter ruffle covers outside corresponding filter core, filter core filter ruffle is equipped with fine and closely woven through-hole, aperture ratio cartridge surface aperture is big, ceramic filter ruffle is open at one end with tube sheet flanged joint, it is open at one end to be connected with filter ruffle deashing device, filter ruffle deashing device one end is air inlet, the other end is connected with ash bucket.There are multiple dedusting structures that the dust in flue gas is carried out classification recycling by granular size in the present invention, possesses enough pressure completion multi-stage separations and solve existing in the prior art because high temperature damages, the too poor problem of dust removing effects caused by insufficient pressure.)

1. a kind of high temperature resistant is pressurized stagewise complex dust collector, including dedusting mechanism, it is characterised in that: further include super charge machine Structure (1), the super charge mechanism (1) prolong the tangential direction installation of tube wall of dust settler on the outer wall, and the dedusting mechanism is resistance to High temperature composite dedusting mechanism (2), including ceramic filter ruffle (5) and filter core (6), are equipped with two layers of tube sheet, and dirt pocket is divided by tube sheet Upper, middle and lower three parts, the multiple rows of suspension filter core (6) of top layer's tube sheet, the ceramic filter ruffle (5) of the multiple rows of suspension of lowest level tube sheet, the filter core (6) corresponded with ceramic filter ruffle (5), each ceramic filter ruffle (5) cover corresponding filter core (6) outside, the filter core filter ruffle (5) it is equipped with fine and closely woven through-hole, aperture ratio filter core (6) surface apertures are big, and the ceramics filter ruffle (5) is open at one end to be connected with tube sheet flange It connects, open at one end and filter ruffle deashing device (4) connection, described filter ruffle deashing device (4) one end is air inlet, the other end and ash bucket (10) it connects.

2. high temperature resistant as described in claim 1 is pressurized stagewise complex dust collector, it is characterised in that: the super charge mechanism It (1) include bend pipe (13), diffuser (15), bend pipe (13) gas outlet has nozzle (12), and nozzle (12) diameter is less than bend pipe (13) Diameter has larynx all (14) before diffuser (15) gas outlet of plenum mechanism (1), and larynx all (14) diameters are less than diffuser (15) Diameter, the gas being discharged from nozzle (12) enter diffuser (15) by larynx degree (14).

3. high temperature resistant as described in claim 1 is pressurized stagewise complex dust collector, it is characterised in that: the filter core (6) is Filter bag type filter core, the filter bag shape are rounded pocket, and the micropore size of the filter bag surface is than the filter core (6) surface apertures It is small.

4. high temperature resistant as claimed in claim 3 is pressurized stagewise complex dust collector, it is characterised in that: the filter of the filter core (6) Bag material is polytetrafluoroethylene (PTFE).

5. the high temperature resistant as described in claim 1 any claim is pressurized stagewise complex dust collector, it is characterised in that: described Filter ruffle deashing device (4) is cylindrical inclined tube, and the ceramics filter ruffle (5) is elongated cylindrical, and the bottom end of ceramic filter ruffle (5) is Cheng Yuan Angle, all described ceramic filter ruffle (5) bottoms have inclined tube to be connected with it, and described inclined tube one end is air inlet, the other end with it is described Ash bucket (10) connection.

6. high temperature resistant as claimed in claim 5 is pressurized stagewise complex dust collector, it is characterised in that: the inclined tube and level There is 10-20 degree angle in face.

7. as high temperature resistant described in claim 5 or 6 is pressurized stagewise complex dust collector, it is characterised in that: the inclined tube has more Row, the number of rows and the ceramics filter ruffle (5) are as the number of rows of the filter core (6) and position is corresponding.

8. the high temperature resistant as described in claim 1-6 any claim is pressurized stagewise complex dust collector, it is characterised in that: institute The upper surface for stating tube sheet is provided with tube sheet deashing device (8), and the tube sheet deashing device (8) is loop pipe, the loop pipe one End is air inlet, and the other end is air outlet, and the ring-type pipe surface has pore.

9. the high temperature resistant as described in claim 3-6 any claim is pressurized stagewise complex dust collector, it is characterised in that: also Equipped with filter ruffle deashing cooling device (9), the filter ruffle deashing cooling device (9) is ring pipe, and the ring pipe passes through ceramic filtering It covers (5) and the filter bag round the filter core (6), the ring pipe lower surface has opened up multiple micropores, described ring pipe one end is Air inlet, the other end are air outlet.

10. the high temperature resistant as described in claim 3-6 any claim is pressurized stagewise complex dust collector, it is characterised in that: It is additionally provided with pulse backblowing deashing device (7), the pulse backblowing deashing device (7) is located above the filter core (6), the pulse Back-blowing dust removing device (7) is equipped with the injection tube equal with the filter core (6) quantity, each described injection tube correspondence communicates one The filter bag of filter core (6), at 2/3rds, the blowing tube surfaces for putting in filter bag part have carefully the filter bag half that puts in Hole.

Technical field

The invention belongs to deduster fields, are related to a kind of high temperature resistant pressurization stagewise complex dust collector.

Background technique

Dust pelletizing system can be often used in boiler and industrial production, deduster is exactly composition portion important in dust pelletizing system Point, achieve the effect that dedusting by separating dust from flue gas.The performance of deduster accessible gas flow, gas Drag losses and efficiency of dust collection when by deduster are expressed.In existing deduster, filter bag often can be because of the high temperature of flue gas And be damaged, the dust removing effects of anticipation are not achieved.There are multiple dedusting structures to need the dust in flue gas in complex dust collector Classification recycling is carried out by granular size, will lead to be unable to complete multi-stage separation without enough pressure.For the prior art Deficiency, the purpose of the present invention is to provide a kind of high temperature resistants to be pressurized stagewise complex dust collector, to solve to exist in the prior art Damage because of high temperature, the too poor problem of dust removing effects caused by insufficient pressure.

Summary of the invention

1, technical problem to be solved:

Because high temperature damages present in existing dust pelletizing system technology, the problem of dust removing effects difference caused by insufficient pressure.

2, technical solution:

In view of the deficiencies of the prior art, the present invention provides a kind of high temperature resistants to be pressurized stagewise complex dust collector, including dust removal machine Structure further includes super charge mechanism, and the super charge mechanism prolongs the tangential direction installation of tube wall of dust settler on the outer wall, described Dedusting mechanism is high temperature resistant composite dedusting mechanism, including ceramic filter ruffle and filter core, is equipped with two layers of tube sheet, and tube sheet divides dirt pocket For upper, middle and lower three parts, the multiple rows of suspension filter core of top layer's tube sheet, the ceramic filter ruffle of the multiple rows of suspension of lowest level tube sheet, the filter core and pottery Porcelain filter ruffle corresponds, and each ceramic filter ruffle covers outside corresponding filter core, and the filter core filter ruffle is equipped with fine and closely woven through-hole, hole Diameter is bigger than cartridge surface aperture, and the ceramics filter ruffle is open at one end with tube sheet flanged joint, open at one end and filter ruffle deashing device Connection, filter ruffle deashing device one end are air inlet, and the other end is connected with ash bucket.

The super charge mechanism includes bend pipe, diffuser, and there is nozzle in bend pipe gas outlet, and it is straight that nozzle diameter is less than bend pipe Diameter has larynx all before the diffuser gas outlet of plenum mechanism, and larynx all diameters are less than diffuser diameter, the gas being discharged from nozzle Diffuser is entered by larynx degree.

The filter core is filter bag type filter core, and the filter bag shape is rounded pocket, the micropore size of the filter bag surface It is smaller than the cartridge surface aperture.

The filter pocket material of the filter core is polytetrafluoroethylene (PTFE).

The filter ruffle deashing device is cylindrical inclined tube, and the ceramics filter ruffle is elongated cylindrical, and the bottom end of ceramic filter ruffle is At fillet, all ceramic filter ruffle bottoms have inclined tube to be connected with it, and described inclined tube one end is air inlet, the other end with it is described Ash bucket connection.

The inclined tube and horizontal plane have-spend angle.

The inclined tube has multiple rows of, described number of rows with the ceramic filter ruffle as the number of rows of the filter core and position pair It answers.

The upper surface of the tube sheet is provided with tube sheet deashing device, and the tube sheet deashing device is loop pipe, the ring-type Pipe one end is air inlet, and the other end is air outlet, and the ring-type pipe surface has pore.

It is additionally provided with filter ruffle deashing cooling device, the filter ruffle deashing cooling device is ring pipe, and the ring pipe passes through pottery Porcelain filter ruffle and round the filter bag of the filter core, the ring pipe lower surface have opened up multiple micropores, described ring pipe one end be into Air port, the other end are air outlet.

It is additionally provided with pulse backblowing deashing device, the pulse backblowing deashing device is located above the filter core, the pulse Back-blowing dust removing device is equipped with the injection tube equal with the filter core quantity, each described injection tube correspondence communicates a filter core Filter bag, for the filter bag half that puts in at 2/3rds, the injection tube tube surfaces for putting in filter bag part have pore.

3, the utility model has the advantages that

High temperature resistant pressurization stagewise complex dust collector filtering link provided by the invention with gradation system is by three-level mistake Filter link composition, the first order is working media spiral, by centrifugal force bring dedusting, to particulate matter biggish in flue gas into Row processing.The second level is ceramic membrane filter ruffle filtering resistant to high temperature, and the temperature for handling flue dust is higher, can after air-cooled processing Reach secondary temperature, so that the middle filter at low temperature for the third level is prepared, the third level is designed using filter bag type filter element filtering, as Secondary filter link plays the reprocessing of fining to the filtering of the second level.It solves and is deposited in existing dust pelletizing system technology Damage because of high temperature, the problem of dust removing effects difference caused by insufficient pressure.

Detailed description of the invention

Fig. 1 is schematic structural view of the invention one.

Fig. 2 is schematic structural view of the invention two.

Fig. 3 is plenum mechanism structure schematic diagram.

Fig. 4 is filter bag type filter cartridge construction schematic diagram.

Fig. 5 is filter core, filter bag tube plate structure diagram.

Fig. 6 is filter ruffle deashing cooling device structural schematic diagram.

Fig. 7 is the schematic diagram that filter core deashing cooling device passes through ceramic filter ruffle.

1- plenum mechanism；2- high temperature resistant composite dedusting mechanism；3- gradation system；4- filter ruffle deashing device；5- Ceramic filter ruffle；6- filter bag type filter core；7- pulse backblowing deashing dress；8- tube sheet deashing device；9- filter ruffle deashing cooling device；10- Ash bucket；12- nozzle；13- bend pipe；14- larynx is all；15- diffuser.

Specific embodiment

It is next with reference to the accompanying drawing that the present invention is described in detail.

As depicted in figs. 1 and 2, a kind of high temperature resistant is pressurized stagewise complex dust collector, including dedusting mechanism, further includes pressurization Admission gear 1, the super charge mechanism 1 prolong the tangential direction installation of tube wall of dust settler on the outer wall, and the dedusting mechanism is High temperature resistant composite dedusting mechanism 2, including ceramic filter ruffle 5 and filter core 6, are equipped with two layers of tube sheet, and dirt pocket is divided into upper by tube sheet Lower three parts, the multiple rows of suspension filter core 6 of top layer's tube sheet, the ceramic filter ruffle 5 of the multiple rows of suspension of lowest level tube sheet, as shown in figure 5, the filter Core 6 and ceramic filter ruffle 5 correspond, and outside corresponding filter core 6, the filter core filter ruffle 5 is equipped with each ceramic 5 sets of filter ruffle Fine and closely woven through-hole, 6 surface apertures of aperture ratio filter core are big, and the ceramics filter ruffle 5 is open at one end with tube sheet flanged joint, it is open at one end and Filter ruffle deashing device 4 connects, and described 4 one end of filter ruffle deashing device is air inlet, and the other end and ash bucket 10 connect.

The working media being dusted will be needed to increase certain pressure by plenum mechanism 1 to cut along barrel later Line direction is sent into the dedusting that spiral formula is formed in deduster, and biggish particulate matter and dust are filtered to most in this stage The ash bucket 10 of lower end completes primary particle classification.Remaining working media, which then enters in the middle part of deduster, carries out that high temperature resistant is compound to be removed Dirt 2.Working media enters inside ceramic membrane filter ruffle 5 from the aperture on ceramic membrane filter ruffle 5, can not by particulate matter and dust then It is filtered to the ash bucket 10 of bottom.Working media into ceramic membrane filter ruffle 5 continues up touch under the effect of the pressure Filter core 6.Working media enters filter core 6 from the micropore on 6 surface of filter core and is filtered three times, can not pass through the particulate matter and powder of micropore Dirt is then filtered to the filter ruffle deashing device 4 that middle part is connected to 5 lower end of ceramic membrane filter ruffle.Finally obtained filtered gas.

The filter core filter ruffle 5 is equipped with the effect of fine and closely woven through-hole are as follows: carries out secondary filter after primary dust removing, can obtain To contain the smaller gas of dust.The ceramic material of filter ruffle 5 itself with regard to high temperature resistant, can in the case where filtering high temperature flue gas normal work Make, the filter core of internal non-refractory is avoided directly to contact with high-temperature flue gas.Reduce the spoilage of device.

For better super charge effect, as shown in figure 3, the super charge mechanism 1 includes bend pipe 13, diffuser 15, there is nozzle 12 in 13 gas outlet of bend pipe, and 12 diameter of nozzle is less than 13 diameter of bend pipe, 15 outlet of diffuser of plenum mechanism 1 There is larynx all 14 before mouthful, larynx all 14 diameters are less than 15 diameter of diffuser, and the gas being discharged from nozzle 12 enters diffuser by larynx degree 14 15。

In deduster when transportation work medium, a part of gas enters from 13 air inlet of bend pipe to be removed for super charge mechanism 1 Dirt device, another part enter deduster from suction line.The gas of suction line all enters diffuser by larynx, since 14 diameter of larynx degree is small In air inlet, so that gas obtains higher pressure when entering diffuser 15.Gas in bend pipe 13 is discharged again from nozzle 12 Into larynx all 14, finally enter in deduster from diffuser 15, since 12 diameter of nozzle is less than 13 diameter of bend pipe, gas is from spray When mouth 12 is discharged, higher pressure is obtained, since larynx all 14 diameters are less than 12 outlet of nozzle, gas enters diffusion from larynx all 14 It is boosted again when device 15, guarantees that the gas entered in deduster has sufficiently high pressure, guaranteed to complete classification three times and remove Dirt.All working medias all enter deduster along deduster cylinder tangential direction, guarantee that All Media prolongs in barrel spiral It rises, biggish particulate matter is separated in uphill process by centrifugal force, completes primary filtering, the particulate matter filtered is all Primary particle recycling is completed in falling in bottom ash bucket.

For better effect, as shown in figure 4, the filter core 6 is filter bag type filter core, the filter bag shape is round filter Bag, the micropore size of the filter bag surface are smaller than 6 surface apertures of filter core.The gas filtered from ceramic filter ruffle enters filter core again It is once filtered, the most clean gas filtered three times.

The filter ruffle deashing device 4 is cylindrical inclined tube, and the ceramics filter ruffle 5 is elongated cylindrical, the bottom end of ceramic filter ruffle 5 For at fillet, 5 bottom of all ceramic filter ruffles has inclined tube to be connected with it, described inclined tube one end is air inlet, the other end and The ash bucket 10 connects.

Ceramic 5 bottom end of filter ruffle is made into fillet, is connected with the joint face of inclined tube with bevel-faced form, passes through taking for fillet and inclined-plane With the sealing for realizing the two, the entrance of solid particulate matter can be prevented.It is able to enter ceramic filter ruffle 5, the powder of filter core 6 can not be entered Dirt discharges into inclined tube from ceramic 5 bottom end of filter ruffle, completes secondary filter, and there is high pressure gas in 4 side of filter ruffle deashing device, can be by inclined tube In filter residue discharge into ash bucket, complete second particle recycling.

For better effect, the inclined tube and horizontal plane have 10-20 degree angle.

The inclined tube has multiple rows of, described number of rows with the ceramic filter ruffle 5 as the number of rows of the filter core 6 and position pair It answers.

The upper surface of the tube sheet is provided with tube sheet deashing device 8, and the tube sheet deashing device 8 is loop pipe, the ring Shape pipe one end is air inlet, and the other end is air outlet, and the ring-type pipe surface has pore.During the work time, annular pipe surface Pore have gas ejection, blow into filter core in the dust that tube sheet upper surface cannot be introduced into filter bag for saving bit by bit.

It is additionally provided with filter ruffle deashing cooling device 9, filter ruffle deashing cooling device 9 is blown using ring pipe, such as Fig. 6 and Fig. 7 institute Show, circulating line passes through ceramic filter ruffle, and round filter core, is blown to filter core outer surface, annular tube lower surface opens up Numerous micropore, by low temperature high pressure gas in pipe, one side jet blows out the dust that blocks in ceramic filter ruffle pore, separately On the one hand the high-temperature gas in ceramic element is reduced, prevents filter core by high temperature.

When dust removal process carries out, dusty gas flows through filter layer with particulate matter, and a part of particle penetrates into filtering and is situated between The inside of matter, but most particulate matter is intercepted at the progress that filtering layer surface is gradually accumulated into dust layer with filtering, mistake Slowly product is thick for dust layer in filtering element, and equipment resistance constantly rises, once equipment resistance reaches setting value, pulse backblowing deashing Device starting.Under the action of electromagnetic pulse signal, pulse valve is opened, and high pressure gas flows through rapidly injection tube, then pours in filter bag Equal filter elements.

By taking filter core 6 as an example, pulse backblowing deashing device 7 is communicated by injection tube with filter core 6, and injection tube is put in filter core One-to-one efficient deashing may be implemented in portion, such structure, to strengthen blowing effect.High pressure low temperature blowing gas is set by outside It is standby to be passed through, injection tube and filter tip are flowed into, realizes that the reversed blowing to filter bag realizes periodic work under the control of pulse valve Make.On the one hand the dust got lodged in filter core micropore is blown off, the dust blown off, which is fallen into filter ruffle deashing device, completes secondary Grain classification.The temperature of filter core can be effectively reduced in another aspect low temperature blowing gas, prevents the High Temperature Gas body temperature passed through from filter ruffle Du Taigao is destroyed more than the bearing temperature limit of filter core.

Although the present invention has been described by way of example and in terms of the preferred embodiments, they be not it is for the purpose of limiting the invention, it is any ripe This those skilled in the art is practised, without departing from the spirit and scope of the invention, can make various changes or retouch from working as, therefore guarantor of the invention Shield range should be subject to what claims hereof protection scope was defined.