CN2345851Y - Wet-type high-efficiency desulfurizing dust-removing device - Google Patents
Wet-type high-efficiency desulfurizing dust-removing device Download PDFInfo
- Publication number
- CN2345851Y CN2345851Y CN 98219685 CN98219685U CN2345851Y CN 2345851 Y CN2345851 Y CN 2345851Y CN 98219685 CN98219685 CN 98219685 CN 98219685 U CN98219685 U CN 98219685U CN 2345851 Y CN2345851 Y CN 2345851Y
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- Prior art keywords
- tower
- king
- jet pipe
- venturi
- wall
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- Expired - Fee Related
Links
- 230000003009 desulfurizing effect Effects 0.000 title 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003546 flue gas Substances 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 11
- 238000000605 extraction Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 5
- 235000008429 bread Nutrition 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 26
- 238000006477 desulfuration reaction Methods 0.000 abstract description 10
- 230000023556 desulfurization Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 238000009966 trimming Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Treating Waste Gases (AREA)
Abstract
A wet-type high-efficiency desulfurization dust-removing equipment. Can be used for desulfurization and dust removal of boiler flue gas. The device comprises a main tower and a Venturi tower, wherein the two towers are vertical towers with circular sections, the bottoms of the two towers are provided with horizontal connecting pipes which are used for connection and are tangent to the peripheral walls of the two towers, the top of the main tower is provided with a flue gas outlet pipe, the bottom of the main tower is provided with a precipitate and washing liquid outlet pipe, the top of the Venturi tower is provided with a flue gas inlet pipe, tangential spray pipes are arranged in the two towers, the outer wall of the inner tower is provided with a cyclone, the inner wall of the main tower above the inner tower is provided with a water collecting ditch, the spray pipes are movably connected on the tower walls. The device solves the problems that the existing device is poor in desulfurization and dust removal effects and cannot be used for trimming production at the same time.
Description
The utility model relates to a kind of chemical purifying device of waste gas, especially a kind of device that is used for the desulfurization and dedusting of boiler smoke.
" the wet process of FGD dust arrester " that Chinese patent 94210374.2 provides, the Venturi tube that it contains king-tower, secondary tower, is connected with king-tower, and the eddy flow plate of in king-tower, installing.Its shortcoming is: 1) the desulfurization and dedusting process of this device is to finish in the reverse flow of liquid, gas, because the time that liquid, gas contact in reverse flow is short, probability is few, so the weak effect of desulfurization and dedusting, and water, dosage are many; 2) its eddy flow plate is fixed in the king-tower, if any fault, and can only shut-down (breakdown) mainteance, influence produces.
The purpose of this utility model is to overcome the shortcoming that exists in the above-mentioned prior art.A kind of Wet-type high-efficient desulfation dust-extraction device is provided so that the amount that it has effective, the water of desulfurization and dedusting and a medication less, can move and characteristics such as simple in structure, long service life while keep in repair.
The utility model Wet-type high-efficient desulfation dust-extraction device includes king-tower, venturi tower of tower in its center band, characteristics of the present utility model are: 1) cross sectional shape of venturi tower and king-tower is an annular, they are all uprightly installed, two tower bottoms have the horizontal nozzle that is communicated with usefulness, and horizontal nozzle is tangent with the perisporium of two towers, the king-tower top is provided with the outlet that smoke outlet tube, bottom are provided with sediment and cleaning solution, and the venturi tower top is provided with flue gas inlet tube; 2) circumferential tangent jet pipe with interior Tata wall, venturi Tata wall has been installed respectively on the tower wall of king-tower and venturi tower contraction section, and the jet pipe of hydrojet downwards has been installed on the upper inner wall of venturi tower jet pipe position; 3) interior tower is provided with cyclone on the tower outer wall of the horizontal nozzle interface end of king-tower and minimum one deck jet pipe place section, this cyclone is one section outer convex surface that is fixed on the interior tower outer surface, evagination bread contains two inverted each other taper seat and following taper seats gone up, and the face of cylinder between upper and lower taper seat, and go up the end face diameter of the bottom surface diameter of taper seat greater than following taper seat; 4) king-tower has one group along circumferential uniform collecting gutter on the inner wall of tower above the interior tower, and each bar collecting gutter is a groove perpendicular to the bottom surface that is positioned on the inwall.
The utility model desulfation dust-extraction device affixed its cross sectional shape of circle on the inwall at the top jet pipe of king-tower place is down the L shaped stream plate that drops down, and drops down stream plate bottom and have the retaining ring that its width of circle is widened to king-tower inwall place direction.
Jet pipe in the utility model desulfation dust-extraction device can include hollow pipe, the shower nozzle that is connected with hollow pipe one end, holds affixed flange in addition at hollow pipe, be fixed in the tangential flanged (FLGD) sleeve pipe of tower body perisporium, and the screw and the seal washer that connect usefulness.
In the utility model desulfation dust-extraction device, shower nozzle on the jet pipe can comprise a housing and be positioned at the rotor of housing, one end of housing is a mouth spray, other end has can be with the interface of jet pipe to be threaded, rotor is by upper and lower circular cone and affixed the forming of cylinder between this two circular cone, have one group of helicla flute on the periphery, so that the fluid that enters from interface end is the ejection of eddy flow shape from the housing mouth spray.
The utility model has the advantages that: 1) flue gas enters from the flue gas inlet tube at venturi tower top, be subjected to the effect of the rotary spray of jet pipe ejection at this tower contraction section, the flue gas rotation moves downward, meanwhile, be subjected to the level on the venturi Tata wall again, the effect of tangential jet pipe hydrojet, make the acceleration that rotatablely moves, and strengthening the speed that flows by venturi tower aditus laryngis place, after this, flue gas enters king-tower by horizontal nozzle, in king-tower, be subjected to level except several, the effect of spin nozzle strengthens outside the rotary speed, also be subjected on interior tower the formed waterfall shape liquid layer of cyclone wash away and fall L shaped effect of dropping down stream plate formed waterfall, flue gas contacts with the liquid repeated multiple times, and the direction of in contact process, tangentially installing owing to jet pipe, the rotor rotation direction of nozzle is all with the installation direction unanimity of tangential horizontal nozzle, therefore liquid stream is done to rotate in the same way in rotation with air-flow, the gas-liquid full contact, and time of contact is long than backwards rotation, so the desulfurization and dedusting of the utility model device is effective, for example in liquid pH value 〉=11 o'clock, desulfurized effect reaches more than 80%, efficiency of dust collection reaches more than 99%, meets the standard of fume emission fully; 2) under the situation that satisfies the fume emission requirement, water, the dosage of the water of the utility model device, the existing desulfation dust-extraction device of dosage are few, only are 1/3 of existing apparatus as water consumption; 3) the equal kink of jet pipe in the utility model device is connected Ta Bishang, and they the time can be dismantled easily and outwards take out in maintenance, so that whole maintenance process need not stop work, so do not influence production.
To and contrast accompanying drawing by embodiment below, the utility model will be further described below.Have in the accompanying drawing:
Fig. 1 is the positive view of the utility model Wet-type high-efficient desulfation dust-extraction device;
Fig. 2, Fig. 3, Fig. 4 are respectively A-A, B-B, the C-C cutaway views among Fig. 1;
Fig. 5, Fig. 6 be respectively among Fig. 1 jet pipe 32 ', the enlarged drawing of 32 part positive view;
Fig. 7 and Fig. 8 be respectively among Fig. 5 and Fig. 6 jet pipe 32 ', the positive view of the another kind of embodiment of the shower nozzle 37 on 32 and the enlarged drawing of vertical view.
The structure of Wet-type high-efficient desulfation dust-extraction device can be seen from Fig. 1 and Fig. 2, Fig. 3, Fig. 4, it includes king-tower 2, venturi tower 1, and cross sectional shape is rectangular horizontal nozzle 5, king-tower and venturi tower be the cross section of annular and all vertical be mounted to vertical, horizontal nozzle is installed in the bottom of king-tower and venturi tower, and the perisporium with this two tower is tangent, so that the flue gas that enters king-tower from venturi tower is counterclockwise eddy flow shape.Represent airflow direction with solid arrow among Fig. 2.
The king-tower top is that smoke outlet tube 21, bottom are the outlets 27 of sediment and cleaning solution, the tower center is affixed interior tower 25, the king-tower wall has been installed three groups of jet pipes 32 successively along short transverse, and is provided with cyclone 26 on the inner tower wall of minimum one deck jet pipe place section, is provided with one group on the king-tower internal face of interior tower top along circumferential uniform collecting gutter 22.
The mounting means of jet pipe 32 on the king-tower inwall can also be seen from Fig. 3, every group of jet pipe has eight, wherein the center line of each jet pipe is all tangent with the outer cylindrical wall of interior tower, and tangent direction same level is taken over consistent with the tangent direction of king-tower inwall, all can in king-tower, be counter rotation so that enter the liquid of the flue gas of king-tower and jet pipe ejection, represent the liquid flow path direction with dotted arrow among Fig. 3.The structure of each jet pipe 32 also can further be seen from Fig. 6, it is made up of hollow pipe 36, shower nozzle 37, flange 33, sleeve pipe 35 and screw 39, seal washer 34, one end of its middle sleeve 35 is affixed flange 34, end puts in the tower wall in addition, and be fixed on the circumferential of tower wall, (representing the tower wall with double dot dash line among the figure); One end of hollow pipe 36 is with the shower nozzle 37 that has been threaded, in addition end can be seen from Fig. 1, and it is communicated with liquid-transport pipe-line 4 by valve 41.Shower nozzle 37 in the utility model device can be designed to a kind of structure that can spray eddy flow liquid, this structure can be seen from Fig. 7 and Fig. 8, it has comprised a housing 375 and rotor 372, one end of housing is a mouth spray 371, in addition end is that have can be with the interface 374 of jet pipe to be threaded, rotor is by upper and lower circular cone and affixed the forming of cylinder between this upper and lower circular cone, and on the face of cylinder, have four helicla flutes 373, when the interface end of liquid from housing enters, behind helicla flute, can make the liquid of housing mouth spray ejection eddy flow shape.The hand of spiral of the helicla flute 373 of rotor should be able to satisfy the liquid that sprays from mouth spray and be counter rotation.Screw on the dismounting flange 33 can be extracted hollow pipe out in sleeve pipe, so the loop type structure of jet pipe can guarantee that the utility model device can the maintenance while moving.
Cyclone 26 on the interior tower can be seen from Fig. 1 and Fig. 3, it is one section outer convex surface that is fixed on the interior tower outer surface, its position is above the horizontal nozzle of king-tower and on the interior tower outer wall between minimum one deck jet pipe, this cyclone comprises two inverted each other taper seat 261 and following taper seats 263 gone up, and the face of cylinder between upper and lower taper seat 262, and go up the end face diameter of the bottom surface diameter of taper seat greater than following taper seat.
The collecting gutter 22 that distributes on the inner wall of tower at king-tower place above interior tower can see from Fig. 1 and Fig. 4 that it is the one group of groove that is distributed on the inner wall of tower, and every groove flows downward to make things convenient for sediment and cleaning solution all perpendicular to the tower bottom surface.Can see also among Fig. 1 that king-tower affixed circle on the inwall of top jet pipe place drops down stream plate 23, the cross section of this plate is L shaped, its bottom is a retaining ring 24, the width of retaining ring than its top dropping down stream plate wide, that is it with the distance of tower wall drop down stream plate little with the distance of tower wall, formed water film can be past dirty along the king-tower wall on the stream plate so that the liquid right side is dropped down, thereby solidfied material slag and the buck that will throw on the king-tower wall are washed away down.
Venturi tower includes the flue gas inlet tube 11 at top, this pipe bottom is contraction section 12, aditus laryngis 13 and expanding section 14 successively, the contraction section top be equipped with downwards the jet pipe 32 of hydrojet ', level has been installed and the circumferential tangent jet pipe 32 of tower wall on the tower wall of this jet pipe below; On the bottom interior wall of horizontal nozzle 5 chap venturi tower expanding sections.The nozzle structure of venturi tower and the nozzle structure of king-tower are identical.Jet pipe 32 ' structure can from Fig. 5, further see, it is similar with jet pipe 32, also include flanged 33 hollow pipe 36, flanged (FLGD) sleeve pipe 35, and shower nozzle 37, seal washer 34, screw 39, different is to have a bent sub 38 between hollow pipe is with shower nozzle, to change the emission direction of shower nozzle.Jet pipe 32 ' also be is and detachably is connected Ta Bishang by being fixed in sleeve pipe on the tower wall.(representing the tower wall with double dot dash line among Fig. 5).
Enter the utility model Wet-type high-efficient desulfation dust-extraction device from the flue gas of boiler by the flue gas inlet tube 11 at venturi tower top, flue gas obtains quickening in the process of contraction section 12, aditus laryngis 13 and expanding section 14 by venturi tower, and jet pipe 32 ', do downward rotatablely moving under 32 the hydrojet effect, flue gas fully contacts with liquid and is vaporific in this process; The vaporific gas-liquid mixed stream of eddy flow enters king-tower 2 in the venturi tower bottom by horizontal nozzle 5, because it is tangent to take over 5 and two Tata walls, therefore gas-liquid mixed stream its rotary speed when entering king-tower strengthens, that is the king-tower inwall with the formed space of interior tower outer wall in rapidly the rotation, it is subjected to being from cyclone 26 and king-tower inwall the liquid stream flushing of waterfall shape simultaneously this moment, and its eddy flow direction is subjected to the guide effect of taper seat at the bottom of the cyclone, and its eddy flow diameter spreads to king-tower inwall direction; After this, gas-liquid mixed stream continues rotation and rises, and is subjected to the further hydrojet effect of three groups of jet pipes 32 in the king-tower in succession, and gas-liquid flow further contacts, mixes, and carries out chemical reaction, has finished desulfurization, the dedusting of flue gas effectively; Drop down the liquid film that stream plate 23 can be transformed into the liquid from jet pipe 32 one annulus cylindricality, and make liquid film expand the king-tower inwall to, so that wash away solidfied material slag body and buck on the king-tower inwall effectively by retaining ring 24.Collecting gutter 22 can further separate solidfied material slag body and the buck in the rotation flue gas, make discharged flue gas not only do not had sulphur, dustless, but also do not have water droplet, become the flue gas that conforms with the smoke evacuation standard at last and from smoke outlet tube 21 dischargings at king-tower top, and sediment and cleaning solution are downward along collecting gutter, until the king-tower bottom and from outlet 27 dischargings.Be provided with overflow plate 28 on the outlet 27 so that the discharging waste liquid go out from overflow plate 28 overflows, with the dust and sand shunting.
King-tower in the utility model device, venturi tower can adopt corrosion-resistant material manufacturings such as nonmetallic materials such as granite, fiberglass, plastics, and the liquid that jet pipe sprayed can be the mixed liquor of water and basic agent.
In medium-sized or large-scale Wet-type high-efficient desulfation dust-extraction device, along interior tower height degree two or more cyclones can be set, to increase the frequency of exposure of cleaning solution, keep desulfurization and dedusting efficiently with flue gas.
Claims (5)
1, a kind of Wet-type high-efficient desulfation dust-extraction device, it includes the king-tower (2) and a venturi tower (1) of tower (25) in its center band, it is characterized in that:
1) cross sectional shape of venturi tower and king-tower is an annular, they are all uprightly installed, two tower bottoms have the horizontal nozzle (5) that is communicated with usefulness, and horizontal nozzle is tangent with the perisporium of two towers, the king-tower top is provided with the outlet (27) that smoke outlet tube (21), bottom are provided with sediment and cleaning solution, and the venturi tower top is provided with flue gas inlet tube (11);
2) on the tower wall of king-tower and venturi tower contraction section (12), installed with the circumferential tangent jet pipe (32) of interior tower (25) tower wall, venturi Tata wall respectively and the jet pipe (32 ') of hydrojet downwards has been installed on the upper inner wall of venturi tower jet pipe (32) position;
3) interior tower is provided with cyclone (26) on the tower outer wall of the horizontal nozzle interface end of king-tower and minimum one deck jet pipe place section, this cyclone is one section outer convex surface that is fixed on the interior tower outer surface, evagination bread contains two inverted each other taper seat (261) and following taper seats (263) gone up, and the face of cylinder between upper and lower taper seat (262), and go up the end face diameter of the bottom surface diameter of taper seat greater than following taper seat;
4) king-tower has one group along circumferential uniform collecting gutter (22) on the inner wall of tower above the interior tower, and each bar collecting gutter is a groove perpendicular to the bottom surface that is positioned on the inwall.
2, device as claimed in claim 1, it is characterized in that: affixed its cross sectional shape of circle is down the L shaped stream plate (23) that drops down on the inwall at the top jet pipe of said king-tower place, and drops down stream plate bottom and have the retaining ring (24) that its width of circle is widened to king-tower inwall place direction.
3, device as claimed in claim 1, it is characterized in that: said jet pipe (32) includes hollow pipe (36), the shower nozzle (37) that is connected with hollow pipe one end, hold affixed flange (33) in addition at hollow pipe, be fixed in the sleeve pipe (35) of tower body perisporium tangential flanged (33), and the screw (39) and the seal washer (34) that connect usefulness.
4, device as claimed in claim 1 is characterized in that: said jet pipe (32 ') includes hollow pipe (36), the bent sub (38) that is connected with hollow pipe one end, the shower nozzle (37) that is connected with bent sub, holds affixed flange (33) in addition at hollow pipe, is fixed in the sleeve pipe (35) of tower body perisporium tangential flanged (33) and screw (39) and the seal washer (34) that connects usefulness.
5, as claim 1 or 2 or 3 or 4 described devices, it is characterized in that: the shower nozzle (37) in said jet pipe (32), (32 ') comprises a housing (375) and is positioned at the rotor (372) of housing, one end of housing (375) is mouth spray (371), other end has can be with the interface (374) of jet pipe to be threaded, rotor has one group of helicla flute (373) by upper and lower circular cone and affixed the forming of cylinder between this two circular cone on the periphery.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 98219685 CN2345851Y (en) | 1998-08-18 | 1998-08-18 | Wet-type high-efficiency desulfurizing dust-removing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 98219685 CN2345851Y (en) | 1998-08-18 | 1998-08-18 | Wet-type high-efficiency desulfurizing dust-removing device |
Publications (1)
Publication Number | Publication Date |
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CN2345851Y true CN2345851Y (en) | 1999-10-27 |
Family
ID=33971673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 98219685 Expired - Fee Related CN2345851Y (en) | 1998-08-18 | 1998-08-18 | Wet-type high-efficiency desulfurizing dust-removing device |
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CN (1) | CN2345851Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1314833C (en) * | 2001-12-20 | 2007-05-09 | 斯奈克玛动力部件公司 | Method for monitoring the course of a process using a reactive gas containing one or several hydrocarbons |
CN104138812A (en) * | 2014-07-02 | 2014-11-12 | 浙江双屿实业有限公司 | Rapid cooling spray head |
CN113107431A (en) * | 2021-04-14 | 2021-07-13 | 王达胜 | Low-pressure sulfur-containing natural gas pressurization recovery separation method |
-
1998
- 1998-08-18 CN CN 98219685 patent/CN2345851Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1314833C (en) * | 2001-12-20 | 2007-05-09 | 斯奈克玛动力部件公司 | Method for monitoring the course of a process using a reactive gas containing one or several hydrocarbons |
CN104138812A (en) * | 2014-07-02 | 2014-11-12 | 浙江双屿实业有限公司 | Rapid cooling spray head |
CN104138812B (en) * | 2014-07-02 | 2016-03-09 | 浙江双屿实业有限公司 | A kind of chilling shower nozzle |
CN113107431A (en) * | 2021-04-14 | 2021-07-13 | 王达胜 | Low-pressure sulfur-containing natural gas pressurization recovery separation method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |