CN213790926U

CN213790926U - Novel atomizing mixer

Info

Publication number: CN213790926U
Application number: CN202022438532.7U
Authority: CN
Inventors: 李泽杰; 吴欣伟; 姚菲
Original assignee: Hebei Lansheng Environmental Protection Technology Co ltd
Current assignee: Hebei Lansheng Environmental Protection Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-27
Anticipated expiration: 2030-10-28

Abstract

The utility model relates to the technical field of mixers, in particular to a novel atomizing mixer; the device can carry out pre-cooling and dust removal pretreatment on the flue gas, so that the mixing effect of the flue gas and the reducing agent is better; including interior blending tank, outer blending tank, the force (forcing) pump, atomizing disk, the heat dissipation coil pipe, reductant feed liquor pipe, first annular atomizing spray tube, second annular atomizing spray tube, intake pipe and blast pipe, be provided with first hybrid chamber in the interior blending tank, be provided with the second hybrid chamber in the outer blending tank, interior blending tank is fixed to be set up in the second hybrid chamber, the input of intake pipe stretches into to first hybrid chamber bottom in from the top of outer blending tank, atomizing disk sets up in the intake pipe, the force (forcing) pump is fixed to be set up in the right-hand member of outer blending tank, the input of force (forcing) pump stretches into to first hybrid chamber bottom, the output of atomizing disk is provided with the first atomizer of multiunit equipartition, the output of first annular atomizing spray tube and second annular atomizing spray tube all is provided with second atomizer.

Description

Novel atomizing mixer

Technical Field

The utility model relates to a technical field of blender especially relates to a novel atomizing blender.

Background

As is well known, the new atomizing mixer is a device for mixing the reducing agent with the flue gas in the SNCR treatment process, and is widely used in the field of mixers; publication (announcement) No. CN204973637U discloses an atomizing mixer, which comprises an atomizing mixer tank, wherein the top of the atomizing mixer tank is provided with a gas outlet, the lower part of the atomizing mixer tank is provided with a gas inlet, the upper part of the atomizing mixer tank is provided with a liquid conveying pipe, the upper part is provided with an ultrasonic high-frequency oscillator, the lower part of the liquid conveying pipe is provided with a plurality of spraying pipes, and the bottom of the atomizing mixer tank is provided with a liquid discharge pipe. The atomization mixer has the advantages of simple structure, convenience in assembly, safety and reliability in use, low cost and high efficiency, can realize the purpose that all outlets are gas after liquid and gas are mixed, cannot accumulate liquid in the tank body of the atomization mixer, and also ensures that the mixing effect is not influenced by the mixing of external gas; however, in use, when the reducing agent is mixed with the flue gas, the chemical reaction of the subsequent reducing agent is influenced due to overhigh air inlet temperature, partial particulate matters contained in the flue gas enter the mixing tank, scale formation is generated after long-term accumulation, the cleaning is difficult, the mixing effect of the flue gas and the reducing agent is poor, and certain use limitation is realized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a can carry out precooling and dust removal preliminary treatment to the flue gas, make flue gas and the better novel atomizing blender of reductant mixed effect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: comprises an inner mixing tank, an outer mixing tank, a pressure pump, an atomizing disc, a heat dissipation coil pipe, a reducing agent liquid inlet pipe, a first annular atomizing spray pipe, a second annular atomizing spray pipe, an air inlet pipe and an exhaust pipe, wherein a first mixing cavity is arranged in the inner mixing tank, a second mixing cavity is arranged in the outer mixing tank, the inner mixing tank is fixedly arranged in the second mixing cavity, the input end of the air inlet pipe extends into the bottom of the first mixing cavity from the top end of the outer mixing tank, the atomizing disc is arranged in the air inlet pipe, the pressure pump is fixedly arranged at the right end of the outer mixing tank, the input end of the pressure pump extends into the bottom of the first mixing cavity, the output end of the pressure pump is communicated with the input end of the heat dissipation coil pipe, the output end of the heat dissipation coil pipe is communicated with the input end of the atomizing disc, and the output end of the atomizing disc is provided with a plurality of uniformly distributed first atomizing spray heads, first annular atomizing spray tube fixed set up in first mixed intracavity upper portion, second annular atomizing spray tube fixed set up in second mixed intracavity upper portion, reductant feed liquor pipe fixed set up in the front portion of outer hybrid tank, the output of reductant feed liquor pipe with the input intercommunication of first annular atomizing spray tube and second annular atomizing spray tube, the output of first annular atomizing spray tube and second annular atomizing spray tube all is provided with second atomizer, the blast pipe set up in the left end of outer hybrid tank, the input of blast pipe stretches into to the second mixed intracavity.

Preferably, a plurality of groups of uniformly distributed through holes are circumferentially arranged at the bottom of the inner mixing tank, the through holes are communicated with the first mixing cavity and the second mixing cavity, a liquid discharge pipe is arranged at the bottom of the outer mixing tank, the input end of the liquid discharge pipe extends into the bottom of the first mixing cavity, and a liquid discharge valve is arranged on the liquid discharge pipe.

Preferably, the bottom of the inner mixing tank is conical.

Preferably, the output end of the air inlet pipe is provided with a choke impeller, and the choke impeller is positioned at the lower part of the atomizing disc.

Preferably, still include third annular atomizing spray tube, third annular atomizing spray tube fixed set up in the first mixing chamber, the input of third annular atomizing spray tube with the output intercommunication of force (forcing) pump, the output of third annular atomizing spray tube is provided with the third atomizer of multiunit equipartition.

Preferably, the inner mixing tank, the outer mixing tank, the air inlet pipe, the exhaust pipe, the liquid discharge pipe, the first annular atomizing nozzle, the second annular atomizing nozzle and the third annular atomizing nozzle are all made of 316L stainless steel.

Preferably, the input end of the air inlet pipe is provided with a flow regulating valve.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel atomizing blender possesses following beneficial effect: the novel atomizing mixer is characterized in that a reducing agent liquid inlet pipe is communicated with an external reducing agent through a pressure source, partial reducing agent is contained at the bottom of an inner mixing tank, smoke enters through an air inlet pipe, a pressure pump is started, the reducing agent in the inner mixing tank is pressurized by the pressure pump and then is sprayed out through a first atomizing spray head on a heat dissipation coil and an atomizing disk, the smoke and the reducing agent are in pre-contact mixing, the smoke and the atomized reducing agent are mixed and then are preliminarily cooled, the smoke and the reducing agent after preliminary cooling enter a reducing agent solution at the bottom of the inner mixing tank, the smoke and the reducing agent are circulated in a reciprocating mode, the reducing agent is cooled through the heat dissipation coil, the reducing agent solution and the smoke keep a certain temperature difference range, particle dust contained in the smoke after being treated by the reducing agent solution in a first mixing cavity is absorbed, the smoke after being treated by the cooling enters a first mixing cavity and a second mixing cavity, and the reducing agent after being pressurized from the outside is sprayed out through a second atomizing spray head on the first annular atomizing spray pipe and the second annular atomizing spray pipe, flue gas and reductant carry out abundant contact in first mixing chamber and second mixing chamber, through the blast pipe discharge can, can carry out cooling in advance and dust removal preliminary treatment to the flue gas, make flue gas and reductant mixed effect better.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic cross-sectional view taken along line a-a of fig. 2 according to the present invention;

fig. 4 is a schematic cross-sectional view taken along line B-B in fig. 3 according to the present invention;

in the drawings, the reference numbers: 1. an inner mixing tank; 2. an outer mixing tank; 3. a pressure pump; 4. a heat-dissipating coil pipe; 5. an atomizing disk; 6. a reducing agent inlet pipe; 7. a first annular atomizing nozzle; 8. a second annular atomizing nozzle; 9. an air inlet pipe; 10. an exhaust pipe; 11. a first atomizer; 12. a second atomizer; 13. a through hole; 14. a liquid discharge pipe; 15. a choke impeller; 16. a third annular atomizing nozzle; 17. a third atomizer; 18. a flow regulating valve.

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.

Referring to fig. 1-4, the utility model relates to a novel atomizing mixer, which comprises an inner mixing tank 1, an outer mixing tank 2, a pressure pump 3, an atomizing disk 5, a heat dissipation coil 4, a reducing agent inlet pipe 6, a first annular atomizing nozzle 7, a second annular atomizing nozzle 8, an air inlet pipe 9 and an exhaust pipe 10, wherein a first mixing cavity is arranged in the inner mixing tank 1, a second mixing cavity is arranged in the outer mixing tank 2, the inner mixing tank 1 is fixedly arranged in the second mixing cavity, the input end of the air inlet pipe 9 extends into the bottom of the first mixing cavity from the top end of the outer mixing tank 2, the atomizing disk 5 is arranged in the air inlet pipe 9, the pressure pump 3 is fixedly arranged at the right end of the outer mixing tank 2, the input end of the pressure pump 3 extends into the bottom of the first mixing cavity, the output end of the pressure pump 3 is communicated with the input end of the heat dissipation coil 4, the output end of the heat dissipation coil 4 is communicated with the input end of the atomizing disk 5, the output end of the atomizing disc 5 is provided with a plurality of groups of first atomizing spray heads 11 which are uniformly distributed, a first annular atomizing spray pipe 7 is fixedly arranged at the upper part in a first mixing cavity, a second annular atomizing spray pipe 8 is fixedly arranged at the upper part in a second mixing cavity, a reducing agent liquid inlet pipe 6 is fixedly arranged at the front part of the outer mixing tank 2, the output end of the reducing agent liquid inlet pipe 6 is communicated with the input ends of the first annular atomizing spray pipe 7 and the second annular atomizing spray pipe 8, the output ends of the first annular atomizing spray pipe 7 and the second annular atomizing spray pipe 8 are both provided with second atomizing spray heads 12, an exhaust pipe 10 is arranged at the left end of the outer mixing tank 2, and the input end of the exhaust pipe 10 extends into the second mixing cavity; the reducing agent inlet pipe 6 is communicated with an external reducing agent through a pressure source, part of reducing agent is contained at the bottom of the inner mixing tank 1, smoke enters through the air inlet pipe 9, the pressure pump 3 is started, the reducing agent in the inner mixing tank 1 is pressurized by the pressure pump 3 and then sprayed out through the heat dissipation coil 4 and the first atomizing spray heads 11 on the atomizing disks 5, the smoke and the reducing agent are in pre-contact mixing, the smoke and the atomized reducing agent are mixed and then preliminarily cooled, the smoke and the reducing agent after preliminary cooling enter a reducing agent solution at the bottom of the inner mixing tank 1, the smoke and the reducing agent are circulated in a reciprocating mode, the reducing agent is cooled through the heat dissipation coil 4, the reducing agent solution and the smoke keep a certain temperature difference range, particle dust contained after the smoke is treated through the reducing agent solution in the first mixing cavity is absorbed, the smoke after cooling treatment enters the first mixing cavity and the second mixing cavity, and the reducing agent after external pressurization passes through the first annular atomizing spray pipe 7 and the second atomizing spray heads on the second annular atomizing spray pipe 8 12, the flue gas and the reducing agent are fully contacted in the first mixing cavity and the second mixing cavity and are discharged through the exhaust pipe 10, and the flue gas can be subjected to pre-cooling and dust removal pretreatment, so that the mixing effect of the flue gas and the reducing agent is better.

The utility model discloses a novel atomizing mixer, the bottom circumference of interior mixing tank 1 is provided with the through-hole 13 of multiunit equipartition, and through-hole 13 communicates with each other with first hybrid chamber and second hybrid chamber, and the bottom of outer mixing tank 2 is provided with fluid-discharge tube 14, and the input of fluid-discharge tube 14 stretches into to the bottom in the first hybrid chamber, is provided with the flowing back valve on fluid-discharge tube 14; the reducing agent liquefied at the bottom in the second mixing cavity flows back to the first mixing cavity through the through hole 13, and the reducing agent in the first mixing cavity can be emptied and replaced by opening the liquid discharge valve; the bottom of the inner mixing tank 1 is conical; the bottom of the inner mixing tank 1 is arranged in a conical shape, so that the residue of the reducing agent in the first mixing cavity can be effectively reduced when the reducing agent is emptied; the output end of the air inlet pipe 9 is provided with a choke impeller 15, and the choke impeller 15 is positioned at the lower part of the atomizing disk 5; the arrangement of the choke impeller 15 can block the entering flue gas, reduce the flow velocity of the flue gas, and the choke impeller 15 rotates to fully contact and mix the flue gas and the atomized reducing agent; the third annular atomizing spray pipe 16 is fixedly arranged in the first mixing cavity, the input end of the third annular atomizing spray pipe 16 is communicated with the output end of the pressure pump 3, and the output end of the third annular atomizing spray pipe 16 is provided with a plurality of groups of uniformly distributed third atomizing spray heads 17; the reducing agent in the first mixing cavity is pressurized by the pressurizing pump 3 and then sprayed out through the third atomizing nozzle 17 on the third annular atomizing nozzle 16, so that the reducing agent is atomized and then mixed with the flue gas, the reducing agent can be further utilized, the reducing agent in the first mixing cavity is prevented from being frequently filled, and the waste of the reducing agent is reduced; the inner mixing tank 1, the outer mixing tank 2, the air inlet pipe 9, the exhaust pipe 10, the liquid discharge pipe 14, the first annular atomizing nozzle 7, the second annular atomizing nozzle 8 and the third annular atomizing nozzle 16 are all made of 316L stainless steel; the 316L stainless steel has strong corrosion resistance and is not easy to rust, and the whole service life of the equipment can be prolonged; the input end of the air inlet pipe 9 is provided with a flow regulating valve 18; by adjusting the flow regulating valve 18, the flow of the flue gas entering the inlet pipe 9 can be effectively controlled.

When the device is used, the reducing agent liquid inlet pipe 6 is communicated with an external reducing agent through a pressure source, a part of reducing agent is contained at the bottom of the inner mixing tank 1, flue gas enters through the air inlet pipe 9, the pressure pump 3 is started, the reducing agent in the inner mixing tank 1 is pressurized by the pressure pump 3 and then is sprayed out through the heat dissipation coil 4 and the first atomizing spray nozzle 11 on the atomizing disc 5, the flue gas and the reducing agent are in pre-contact mixing, the flue gas and the atomized reducing agent are mixed and then are preliminarily cooled, the flue gas and the reducing agent after preliminary cooling enter the reducing agent solution at the bottom of the inner mixing tank 1, the reciprocating circulation is carried out, the reducing agent is cooled through the heat dissipation coil 4, the reducing agent solution and the flue gas keep a certain temperature difference range, particle dust contained in the flue gas after being treated by the reducing agent solution after passing through the first mixing cavity is absorbed, and the flue gas after being cooled enters the first mixing cavity and the second mixing cavity, the externally pressurized reducing agent is sprayed out through the first annular atomizing spray pipe 7 and the second atomizing spray pipe 12 on the second annular atomizing spray pipe 8, the flue gas and the reducing agent are fully contacted in the first mixing cavity and the second mixing cavity and are discharged through the exhaust pipe 10, and the flue gas can be subjected to pre-cooling and dust removal pretreatment, so that the mixing effect of the flue gas and the reducing agent is better; the reducing agent liquefied at the bottom in the second mixing cavity flows back to the first mixing cavity through the through hole 13, and the reducing agent in the first mixing cavity can be emptied and replaced by opening the liquid discharge valve; the bottom of the inner mixing tank 1 is arranged in a conical shape, so that the residue of the reducing agent in the first mixing cavity can be effectively reduced when the reducing agent is emptied; the arrangement of the choke impeller 15 can block the entering flue gas, reduce the flow velocity of the flue gas, and the choke impeller 15 rotates to fully contact and mix the flue gas and the atomized reducing agent; the reducing agent in the first mixing cavity is pressurized by the pressurizing pump 3 and then sprayed out through the third atomizing nozzle 17 on the third annular atomizing nozzle 16, so that the reducing agent is atomized and then mixed with the flue gas, the reducing agent can be further utilized, the reducing agent in the first mixing cavity is prevented from being frequently filled, and the waste of the reducing agent is reduced; the 316L stainless steel has strong corrosion resistance and is not easy to rust, and the whole service life of the equipment can be prolonged; by adjusting the flow regulating valve 18, the flow of the flue gas entering the inlet pipe 9 can be effectively controlled.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The novel atomizing mixer is characterized by comprising an inner mixing tank (1), an outer mixing tank (2), a pressure pump (3), an atomizing disc (5), a heat dissipation coil pipe (4), a reducing agent liquid inlet pipe (6), a first annular atomizing spray pipe (7), a second annular atomizing spray pipe (8), an air inlet pipe (9) and an exhaust pipe (10), wherein a first mixing cavity is arranged in the inner mixing tank (1), a second mixing cavity is arranged in the outer mixing tank (2), the inner mixing tank (1) is fixedly arranged in the second mixing cavity, the input end of the air inlet pipe (9) extends into the bottom of the first mixing cavity from the top end of the outer mixing tank (2), the atomizing disc (5) is arranged in the air inlet pipe (9), the pressure pump (3) is fixedly arranged at the right end of the outer mixing tank (2), and the input end of the pressure pump (3) extends into the bottom of the first mixing cavity, the output end of the pressure pump (3) is communicated with the input end of the heat dissipation coil (4), the output end of the heat dissipation coil (4) is communicated with the input end of the atomizing disc (5), the output end of the atomizing disc (5) is provided with a plurality of groups of uniformly distributed first atomizing nozzles (11), the first annular atomizing spray pipe (7) is fixedly arranged at the upper part in the first mixing cavity, the second annular atomizing spray pipe (8) is fixedly arranged at the upper part in the second mixing cavity, the reducing agent liquid inlet pipe (6) is fixedly arranged at the front part of the outer mixing tank (2), the output end of the reducing agent liquid inlet pipe (6) is communicated with the input ends of the first annular atomizing spray pipe (7) and the second annular atomizing spray pipe (8), the output ends of the first annular atomizing spray pipe (7) and the second annular atomizing spray pipe (8) are both provided with the second atomizing spray nozzles (12), the exhaust pipe (10) is arranged at the left end of the outer mixing tank (2), and the input end of the exhaust pipe (10) extends into the second mixing cavity.

2. The novel atomizing mixer of claim 1, wherein a plurality of groups of uniformly distributed through holes (13) are circumferentially arranged at the bottom of the inner mixing tank (1), the through holes (13) are communicated with the first mixing cavity and the second mixing cavity, a liquid discharge pipe (14) is arranged at the bottom of the outer mixing tank (2), the input end of the liquid discharge pipe (14) extends into the bottom of the first mixing cavity, and a liquid discharge valve is arranged on the liquid discharge pipe (14).

3. A new atomizing mixer according to claim 2, characterized in that the bottom of the inner mixing tank (1) is conical.

4. A new atomizing mixer in accordance with claim 3, characterized by, that the output end of the air inlet pipe (9) is provided with a choke impeller (15), the choke impeller (15) is located at the lower part of the atomizing disk (5).

5. The novel atomizing mixer of claim 4, characterized in that, it further comprises a third annular atomizing nozzle (16), the third annular atomizing nozzle (16) is fixedly arranged in the first mixing cavity, the input end of the third annular atomizing nozzle (16) is communicated with the output end of the pressure pump (3), and the output end of the third annular atomizing nozzle (16) is provided with a plurality of groups of uniformly distributed third atomizing nozzles (17).

6. The new atomizing mixer of claim 5, characterized in that said inner mixing tank (1), outer mixing tank (2), inlet pipe (9), exhaust pipe (10), drain pipe (14), first annular atomizing nozzle (7), second annular atomizing nozzle (8) and third annular atomizing nozzle (16) are all 316L stainless steel.

7. A new atomizing mixer in accordance with claim 6, characterized by, that the inlet end of the inlet pipe (9) is provided with a flow regulating valve (18).