CN213643603U

CN213643603U - Rotational flow dual-alkali desulphurization device

Info

Publication number: CN213643603U
Application number: CN202022566331.5U
Authority: CN
Inventors: 许广斌; 刘永胜; 郭英强; 任景超; 郭效森
Original assignee: CRYSTAL WATER AND BLUE SKY ENVIRONMENTAL ENGINEERING CO LTD
Current assignee: CRYSTAL WATER AND BLUE SKY ENVIRONMENTAL ENGINEERING CO LTD
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-09
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a whirl dibasic method desulphurization unit, including the flue entry, flue entry linkage prefiltration flue is equipped with the protection network on the inner wall of prefiltration flue, and the bolt fastening is passed through on the prefiltration flue in the upper end of protection network, and the upper end of prefiltration flue is equipped with the access cover, and the below of access cover is equipped with the support, and the support is fixed in the prefiltration flue, is equipped with a plurality of through-holes on the support, the utility model discloses the protection network, flushing pipe and the filter screen that utilize and conveniently change carry out preliminary purification to the flue gas, have avoided the solid of large granule to get into in the collection jar to concentrate the scale deposit on filter screen and protection network, guaranteed the cleanness of collection jar, simultaneously, utilize the washing liquid of circulation, the waste of raw materials is avoided to the make.

Description

Rotational flow dual-alkali desulphurization device

Technical Field

The utility model relates to a flue gas desulfurization technical field specifically is a whirl two alkali method desulphurization unit.

Background

The dual-alkali method is to adopt a sodium-based desulfurizer to carry out in-tower desulfurization, and because the sodium-based desulfurizer has strong alkalinity, the solubility of reaction products is high after sulfur dioxide is absorbed, the problems of supersaturation crystallization and scaling and blockage can not be caused, and the dual-alkali method desulfurization process reduces the investment cost and is more suitable for carrying out desulfurization modification on small and medium boilers.

But the flue gas that traditional device used directly enters into the device in, leads to the device in the flue gas mixed and disorderly, work efficiency is not high, comparatively resource-wasting, and lacks corresponding filtration measure to the fixed granule in the flue gas. Accordingly, those skilled in the art have provided a rotational flow dual alkali desulfurization apparatus to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a whirl dibasic method desulphurization unit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a rotational flow dual-alkali desulfurization device comprises a flue inlet, wherein the flue inlet is connected with a primary filtering flue, a protective screen is arranged on the inner wall of the primary filtering flue, the upper end of the protective screen is fixed on the primary filtering flue through a bolt, an access cover is arranged at the upper end of the primary filtering flue, a support is arranged below the access cover, the support is fixed in the primary filtering flue, a plurality of through holes are formed in the support, the through holes are connected with a filter screen through bolts, and a flushing pipe is arranged at the lower side of the support;

the right side of the upper end of the primary filtering flue is communicated with a cleaning flue which is communicated with a collecting tank, the left end of the cleaning flue is connected with an atomizing pipe which is connected with cleaning liquid, the end part of the atomizing pipe is provided with an atomizing device, the middle part of the collecting tank is provided with a discharge flue which penetrates through the upper end of the collecting tank and is communicated with the outside, the lower end of the collecting tank is communicated with a collecting tank, the lower side of the collecting tank is connected with a three-way pipe which is provided with a solenoid valve, one end of the three-way pipe is connected with a flushing pipe, the other end of the three-way pipe is connected with a water pump, the water pump is positioned in a temporary storage tank at the lower side of the primary filtering flue, the left side of the temporary storage tank is provided with a discharge pipe, an electronic PH meter is arranged in the temporary storage tank, the PH of cleaning liquid in the primary filtering flue is monitored at any time, after a, the cleaning liquid is fully utilized.

As a further proposal of the utility model, the upper end of the filter screen is fixed with a round pipe, and prismatic through holes are uniformly distributed on the filter screen.

As the utility model discloses scheme further again, the flushing pipe is the U type, and the filter screen is cut apart the flushing pipe for form the water film on the filter screen, purify the flue gas.

As the utility model discloses scheme further again, the clearance flue is located the top of holding vessel, and is the ring form, and the spiral intercommunicating pore is seted up to the downside.

As the utility model discloses further scheme again, exhaust flue's downside is coniform, and the fan blade is installed to exhaust flue's lower extreme, and the motor is connected in the pivot of fan blade, accelerates the rotation rate of air, reinforcing centrifugal force through the fan blade.

As the utility model discloses scheme further still, be equipped with the decurrent guide plate of slope on the inner wall of holding vessel, and the guide plate is the sectional type, plays the guide effect to the rotation of air current, intercepts the water droplet simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses utilize protection network, flushing pipe and the filter screen that can conveniently change to carry out preliminary purification to the flue gas, avoided in the solid of large granule gets into the holding vessel to concentrate the scale deposit on filter screen and holding vessel, guaranteed the cleanness of holding vessel.

2. The circulating cleaning liquid is utilized, the cleaning liquid is fully used, and the waste of raw materials is avoided.

Drawings

FIG. 1 is a schematic structural diagram of a desulfurization device by a rotational flow double alkali method.

Fig. 2 is an enlarged schematic view of a in fig. 1.

FIG. 3 is a schematic view of a flue cleaning structure in a rotational flow dual alkali desulfurization apparatus.

Fig. 4 is a schematic view of a partial three-dimensional structure of a filter screen in a rotational flow dual-alkali desulfurization device.

In the figure: 1. a flue inlet; 2. primarily filtering the flue; 3. a protective net; 4. a flush tube; 5. a support; 6. a through hole; 7. a filter screen; 8. an access cover; 9. cleaning a flue; 10. an atomizing tube; 11. a collection tank; 12. discharging the flue; 13. a fan blade; 14. a collection tank; 15. a three-way pipe; 16. a water pump; 17. and (4) discharging the water.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, in an embodiment of the present invention, a rotational flow dual-alkali desulfurization apparatus includes a flue inlet 1, the flue inlet 1 is connected to a primary filtering flue 2, a protective net 3 is disposed on an inner wall of the primary filtering flue 2, an upper end of the protective net 3 is fixed on the primary filtering flue 2 by a bolt, an access cover 8 is disposed on an upper end of the primary filtering flue 2, a bracket 5 is disposed below the access cover 8, the bracket 5 is fixed in the primary filtering flue 2, a plurality of through holes 6 are disposed on the bracket 5, the through holes 6 are connected to a filter screen 7 by a bolt, a circular tube is fixed on an upper end of the filter screen 7, prismatic through holes are uniformly distributed on the filter screen 7, a flushing pipe 4 is disposed on a lower side of the bracket 5, the flushing pipe 4 is U-shaped, and the filter screen 7 divides the flushing pipe 4 to form;

the upper end right side intercommunication of just straining flue 2 has clearance flue 9, and clearance flue 9 communicates collecting vessel 11, clearance flue 9 is located collecting vessel 11's top, and is the ring form, and spiral intercommunicating pore has been seted up to the downside, and the left end of clearance flue 9 is connected with atomizing pipe 10, and atomizing pipe 10 connects the cleaning solution, and atomizing pipe 10's tip is equipped with atomizing device, collecting vessel 11's middle part is equipped with exhaust flue 12, and exhaust flue 12 runs through collecting vessel 11's upper end and communicates the external world, the downside of exhaust flue 12 is coniform, and fan blade 13 is installed to the lower extreme of exhaust flue 12, and the motor is connected in the pivot of fan blade 13, accelerates the rotational speed of air through fan blade 13, strengthens centrifugal force, be equipped with the guide plate that inclines down on collecting vessel 11's the inner wall, and the guide plate is the sectional type, plays the guide effect to the rotation of air current, intercepts the water droplet, the lower extreme intercommunication collecting pit 14 of collecting vessel 11, the downside of collecting pit 14 is connected with three-way pipe 15, installs the solenoid valve on the three-way pipe 15, and flushing pipe 4 is connected to the one end of three-way pipe 15, and water pump 16 is connected to one end, water pump 16 is arranged in the pond of keeping in of prefiltration flue 2 downside, and the left side of the pond of keeping in is equipped with discharge tube 17, is equipped with the electron PH meter in the pond of keeping in, monitors the PH of prefiltration flue 2 interior washing liquid at any time, after reaching the default, discharge tube 17 opens, and water pump 16 absorbs the washing liquid in the collecting vessel 11 through three-way pipe 15, and until reaching predetermined PH value, reconverts the circulation of keeping in pond and prefiltration.

The utility model discloses a theory of operation is: during the use, the flue gas passes through flue entry 1 and gets into, through when just straining flue 2, carry out preliminary purification to the flue gas through the filtration of flushing pipe 4 and filter screen 7, the dust and the sediment of interception large granule, later get into in the clearance flue 9, through atomizing pipe 10, in getting into holding vessel 11 along with new washing liquid, under the assistance of fan blade 13, accelerate the rotation of air, the big liquid drop of quick clearance, finally discharge through exhaust flue 12, and simultaneously, through maintenance lid 8 and support 5 can be convenient wash and change protection network 3, flushing pipe 4 and filter screen 7, purifying effect has been guaranteed.

The utility model discloses utilize protection network 3, flushing pipe 4 and the filter screen 7 that can conveniently change to carry out preliminary purification to the flue gas, avoided in the solid of large granule gets into holding vessel 11 to concentrate the scale deposit on filter screen 7 and protection network 3, guaranteed holding vessel 11's cleanness, simultaneously, utilize the washing liquid of circulation, the waste of raw materials is avoided to the make full use of washing liquid.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rotational flow dual-alkali desulfurization device comprises a flue inlet (1) and is characterized in that the flue inlet (1) is connected with a primary filtering flue (2), a protective net (3) is arranged on the inner wall of the primary filtering flue (2), the upper end of the protective net (3) is fixed on the primary filtering flue (2) through a bolt, an access cover (8) is arranged at the upper end of the primary filtering flue (2), a support (5) is arranged below the access cover (8), the support (5) is fixed in the primary filtering flue (2), a plurality of through holes (6) are arranged on the support (5), the through holes (6) are connected with a filter screen (7) through bolts, and a flushing pipe (4) is arranged on the lower side of the support (5);

the right side of the upper end of the primary filtering flue (2) is communicated with a cleaning flue (9), the cleaning flue (9) is communicated with a collecting tank (11), the left end of the cleaning flue (9) is connected with an atomizing pipe (10), the atomizing pipe (10) is connected with cleaning liquid, the end part of the atomizing pipe (10) is provided with an atomizing device, the middle part of the collecting tank (11) is provided with a discharge flue (12), the discharge flue (12) penetrates through the upper end of the collecting tank (11) and is communicated with the outside, the lower end of the collecting tank (11) is communicated with a collecting tank (14), the lower side of the collecting tank (14) is connected with a three-way pipe (15), an electromagnetic valve is arranged on the three-way pipe (15), one end of the three-way pipe (15) is connected with a flushing pipe (4), the other end is connected with a water pump (16), the water pump (16) is arranged in a temporary storage pool on the lower side of the primary filtering flue (2), a discharge pipe (17) is arranged on the left side of the temporary storage pool, and an electronic PH meter is arranged in the temporary storage pool.

2. A rotational flow dual alkali desulphurization device according to claim 1, wherein the upper end of the filter screen (7) is fixed with a round tube, and prismatic through holes are uniformly distributed on the filter screen (7).

3. A rotational flow dual alkali desulfurization apparatus according to claim 1, wherein the wash pipe (4) is U-shaped, and the filter screen (7) divides the wash pipe (4).

4. A rotational flow type dual alkali desulfurization apparatus according to claim 1, wherein the cleaning flue (9) is located at the top end of the collection tank (11), and has a circular ring shape, and a spiral communication hole is formed at the lower side thereof.

5. A rotational flow dual alkali desulphurization device according to claim 1, wherein the lower side of the exhaust flue (12) is conical, the lower end of the exhaust flue (12) is provided with a fan blade (13), and the rotating shaft of the fan blade (13) is connected with a motor.

6. A rotational flow type dual alkali desulfurization apparatus according to claim 1, wherein the inner wall of the collection tank (11) is provided with a guide plate inclined downward, and the guide plate is segmented.