CN213408198U

CN213408198U - Flue gas desulfurization denitration dust collector

Info

Publication number: CN213408198U
Application number: CN202021958401.5U
Authority: CN
Inventors: 刘靥
Original assignee: Shanxi Zhengf Angrenhe Tech Co ltd
Current assignee: Shanxi Zhengf Angrenhe Tech Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-06-11
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a flue gas desulfurization, denitrification and dust removal device, which comprises a Venturi reaction kettle, a bag type dust collector, a feeding box, a mist spray head and a denitration filling rod, wherein a reaction cavity is arranged inside the Venturi reaction kettle, the bag type dust collector is arranged on an air inlet at the bottom of the Venturi reaction kettle, the surface of the feeding box is provided with a feeding hopper, the side wall of the feeding hopper is fixed with a vibrating motor, the bottom of the feeding hopper is provided with a sieve plate, the inner wall of the feeding box is rotatably provided with a pair of fluted rollers, one side of an impeller transmission shaft is provided with an impeller, the top of the Venturi reaction kettle is also provided with an air outlet, the mist spray head is arranged on an annular pipe, a denitration filling layer is arranged in the reaction cavity, the device realizes the sufficient mixing of gas and liquid when the sulfur denitration is sprayed, the desulfurization and denitrification reaction is complete, the cost is saved, and the waste liquid is collected, thereby being beneficial to reutilization, environmental protection and energy saving.

Description

Flue gas desulfurization denitration dust collector

Technical Field

The utility model relates to a flue gas purification technical field device specifically is flue gas desulfurization denitration dust collector.

Background

With the continuous deepening of the industrialization process of various countries in the world, SO2 and NOX pollution in the flue gas exceeds smoke dust pollution and becomes the first major pollutants of the atmospheric environment, the national requirements for energy conservation and emission reduction are increasingly improved, and the flue gas desulfurization, denitrification and dust removal of the flue gas reach the emission standard legally and are beneficial to environmental protection.

The processing flow of the existing desulfurization and denitrification dust removal equipment is not reasonable enough, gas-liquid mixing is not sufficient when desulfurization and denitrification are sprayed, desulfurization and denitrification reaction is incomplete, desulfurization and denitrification dust removal efficiency is low, the function is single, reaction raw materials are wasted seriously, the cost is very high, and waste liquid is often directly discharged into the environment, so that pollution is further caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flue gas desulfurization denitration dust collector to solve the problem that proposes in the above-mentioned background art.

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

a flue gas desulfurization, denitrification and dust removal device comprises a Venturi reaction kettle, a bag type dust collector, a feeding box, a mist spray head and a denitration filling rod, wherein a reaction cavity is arranged inside the Venturi reaction kettle, the bag type dust collector is arranged on an air inlet at the bottom of the Venturi reaction kettle, an air outlet is also arranged at the top of the Venturi reaction kettle, the mist spray head is arranged on an annular pipe, the annular pipe is communicated with a hollow roller inside, the roller is arranged on the inner wall of the Venturi reaction kettle through a bearing, the feeding box is communicated with a water tank through an inlet pipe, a feeding hopper is arranged on the surface of the feeding box, a vibrating motor is fixed on the side wall of the feeding hopper, a sieve plate is arranged at the bottom of the feeding hopper, a pair of toothed rollers is rotatably arranged on the inner wall of the feeding box, one toothed roller is connected with a motor through a first transmission, the denitration filling rod comprises a limiting block, a denitration filling layer, a water tank, a disc, a third transmission shaft, a disc, a bearing seat, a driving bevel gear, a denitration filling rod and a denitration filling rod, wherein the impeller is installed on one side of the impeller transmission shaft, the impeller is positioned inside the water tank, a water inlet is formed in the side wall of the water tank, the outlet end of the water tank is communicated with the water inlet of the water pump, the water outlet of the, remove the nitre filling layer and locate the reaction chamber, remove the nitre filling layer through two stoppers of symmetry and the corresponding spacing groove clearance fit of venturi reation kettle outer wall, the dog is hugged closely with the venturi reation kettle outer wall, denitration packing rod part exposes in venturi reation kettle, and exposes the part and link to each other with spring one end, the spring other end is connected in the outer wall of venturi reation kettle in dog one side on the contrary.

As a further aspect of the present invention: the quantity of annular pipe is a plurality of, and arranges on the roller with one heart, and the even coaxial arrangement in every annular pipe top and bottom has a plurality of vaporific shower nozzles, and the vaporific shower nozzle on two adjacent annular pipes all staggers and arranges.

As a further aspect of the present invention: and sealing rings are arranged at the penetrating positions of the first transmission shaft and the feeding box, the penetrating positions of the impeller transmission shaft and the water tank and the penetrating positions of the third transmission shaft and the Venturi reaction kettle.

As a further aspect of the present invention: and a plurality of sets of denitration filling layers are arranged on the denitration filling rod along the axial direction and the circumferential direction of the outer wall of the Venturi reaction kettle, and the denitration filling layers are arranged in a staggered manner in the vertical direction in the reaction cavity.

As a further aspect of the present invention: reaction chamber bottom inner wall slidable mounting has the collecting vat, the reaction chamber outside is equipped with the handle, venturi reation kettle outer wall is different in that handle one side bottom installs the discharge tube, the circular screen is installed with reaction chamber intercommunication department to the discharge tube.

As a further aspect of the present invention: the roller is arranged at the middle throat part of the Venturi reaction kettle through a dense bearing.

As a further aspect of the present invention: the gas outlet afterbody is installed and is sheltered from the top, the reaction chamber top is equipped with the dust removal board, the dust removal board is located the gas outlet below.

Compared with the prior art, the beneficial effects of the utility model are that: SOx/NOx control dust collecting equipment handles the flow rationally, and SOx/NOx control sprays the time gas-liquid mixture abundant, and SOx/NOx control reaction is complete, and SOx/NOx control dust collection efficiency is high, and the function is various, and the secondary removes dust, has practiced thrift reaction raw materials quick lime, saves the cost to waste liquid obtains collecting, has to be of value to reuse, and is energy-concerving and environment-protective.

Drawings

FIG. 1 is a schematic structural diagram of a flue gas desulfurization, denitrification and dust removal device.

FIG. 2 is a schematic enlarged view of a part A in FIG. 1 of a flue gas desulfurization, denitrification and dust removal device.

FIG. 3 is a schematic view of a part B in FIG. 1 enlarged in the flue gas desulfurization, denitrification and dust removal apparatus

FIG. 4 is a schematic structural diagram of a denitration filling rod in the flue gas desulfurization and denitration dust removal device.

FIG. 5 is a schematic structural diagram of a motor and a transmission shaft in the flue gas desulfurization, denitrification and dust removal device.

FIG. 6 is a schematic structural diagram of a bevel gear transmission pair in the flue gas desulfurization, denitrification and dust removal device.

FIG. 7 is a schematic structural diagram of a collecting tank in the flue gas desulfurization, denitrification and dust removal device.

FIG. 8 is a schematic structural diagram of a ring pipe in the flue gas desulfurization, denitrification and dust removal device.

In the figure: 1. a venturi reaction kettle; 2. a reaction chamber; 3. an air inlet; 4. a bag type dust collector; 5. an air outlet; 6. a water tank; 7. a water inlet; 8. a feed hopper; 9. a vibration motor; 10. a sieve plate; 11. a feeding box; 12. a motor; 13. a first drive shaft; 14. a belt; 15. a disc; 16. a second drive shaft; 17. a bevel gear transmission pair; 18. a bearing seat; 19. a toothed roller; 20. a third drive shaft; 21. an impeller; 22. a feed pipe; 23. a rotary joint; 24. a water pump; 25. a hose; 26. a limiting block; 27. a roller; 28. a mist spray head; 29. a bearing; 30. a denitration filling layer; 31. a stopper; 32. a spring; 33. a dust removal plate; 34. a discharge pipe; 35. an impeller drive shaft; 36. a seal ring; 37. covering the top; 38. an annular tube; 39. collecting tank; 40. a handle; 41. a circular sieve; 42. denitration filling rod.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Referring to fig. 1 to 8, in the embodiment of the present invention, a flue gas desulfurization, denitrification and dust removal device includes a venturi reaction kettle 1, a bag type dust remover 4, a feeding box 11, a mist spray nozzle 28 and a denitrification filling rod 42, wherein a reaction chamber 2 is arranged inside the venturi reaction kettle 1, the bag type dust remover 4 is arranged on an air inlet 3 at the bottom of the venturi reaction kettle 1, an air outlet 5 is further arranged at the top of the venturi reaction kettle 1, the mist spray nozzle 28 is arranged on an annular pipe 38, the annular pipe 38 is communicated with a roller 27 which is hollow inside, the roller 27 is arranged on the inner wall of the venturi reaction kettle 1 through a bearing 29, the feeding box 11 is communicated with a water tank 6 through a feeding pipe 22, a feeding hopper 8 is arranged on the surface of the feeding box 11, a vibrating motor 9 is fixed on the side wall of the feeding hopper 8, a sieve plate 10 is arranged at the bottom of the feeding hopper 8, a pair of toothed, one of the toothed rollers 19 is connected with a motor 12 through a first transmission shaft 13, the motor 12 is further connected with an impeller transmission shaft 35 and a disc 15 through a belt 14 respectively, an impeller 21 is installed on one side of the impeller transmission shaft 35, the impeller 21 is located inside a water tank 6, a water inlet 7 is formed in the side wall of the water tank 6, the outlet end of the water tank 6 is communicated with the water inlet of a water pump 24, the water outlet of the water pump 24 is communicated with a rotary joint 23 through a hose 25, the rotary joint 23 is installed on a roller 27, the roller 27 is connected with a third transmission shaft 20 and located inside a reaction kettle 1, the disc 15 is installed at one end of a second transmission shaft 16, a driving bevel gear is installed at the other end of the second transmission shaft 16, the second transmission shaft 16 is rotatably installed on a bearing seat 18 through the middle part, and, driven bevel gear and the drive bevel gear meshing transmission form bevel gear transmission pair 17, denitration filling rod 42 is installed at 1 upper portion diffuser segment of venturi reation kettle, denitration filling rod 42 includes stopper 26, removes nitre filling layer 30, dog 31 and spring 32, remove nitre filling layer 30 and locate in reaction chamber 2, remove nitre filling layer 30 through two stopper 26 of symmetry and the corresponding spacing groove clearance fit of 1 outer wall of venturi reation kettle, dog 31 is hugged closely with 1 outer wall of venturi reation kettle, denitration filling rod 42 partially exposes in venturi reation kettle 1, and exposes the part and link to each other with spring 32 one end, the spring 32 other end is connected in the outer wall that venturi reation kettle 1 is opposite in dog 31 one side.

In this embodiment, a motor 12 and a vibration motor 9 are started, the motor 12 drives an impeller 21, a toothed roller 19 and a bevel gear transmission pair 17 to move, quicklime powder is poured into a feed hopper 8, a proper amount of water is injected into a water tank 6 through a water inlet 7, the quicklime powder enters the meshing position of the toothed roller 19 meshed in the same direction through a sieve plate 10 under the action of the vibration motor 9, the powder enters the water tank 6 through a feed pipe 22, uniform mixing is realized under the stirring of the impeller 21 to obtain lime water, the lime water is pumped into a hose 25 under the action of a water pump 24, enters a rotary joint 23 through the hose 25, enters an annular pipe 38 through the rotary joint 23 and the roller 27, power is transmitted to a disc 15 through a belt 14, the bevel gear transmission pair 17 is driven to mesh and transmit through a second transmission shaft 16, and then the third transmission shaft 20 is driven to rotate, the third transmission shaft 20 is fixedly connected with, drive the ring pipe 38 through roller 27 and rotate around roller 27, evenly roll under the effect of vaporific shower nozzle 28 spray with get into the flue gas homogeneous mixing through the bag collector 4 dust removal from air inlet 3, the contact, the reaction, realize the desulfurization, gaseous entering is adjusted vibrating motor 9 and sieve 10 and is realized the control to the powder volume after the desulfurization, can not cause the waste of quick lime raw materials and lime wash to mix inhomogeneous, the raw materials have been practiced thrift, the cost is controlled, and realized that the homogeneous mixing obtains lime wash and then mixes effective desulfurization with the flue gas.

Referring to fig. 1 and 8, as another preferred embodiment of the present invention, the number of the annular pipes 38 is plural, and the annular pipes are concentrically arranged on the roller 27, the top and the bottom of each annular pipe 38 are uniformly and coaxially provided with a plurality of mist nozzles 28, and the mist nozzles 28 on two adjacent annular pipes 38 are arranged in a staggered manner.

In this embodiment, the annular pipes 38 are arranged concentrically and the mist nozzles 28 are arranged in a staggered manner, so that the uniform and large-scale spraying of the lime water is ensured, the lime water is ensured to be in full contact with, mixed with and reacted with the flue gas, and the high desulfurization rate is achieved.

Referring to fig. 1 to 5, as another preferred embodiment of the present invention, a sealing ring 36 is installed at a penetration position of the first transmission shaft 13 and the feeding box 11, a penetration position of the impeller transmission shaft 35 and the water tank 6, and a penetration position of the third transmission shaft 20 and the venturi reaction kettle 1.

In this embodiment, sealing washer 36 has realized that gaseous liquid does not reveal, has guaranteed the gas tightness, has guaranteed the efficiency of whole denitration desulfurization.

Referring to fig. 1 and fig. 3, as another preferred embodiment of the present invention, a plurality of sets of denitration filling layers 30 are disposed on the denitration filling rod 42 along the axial direction and the circumferential direction of the outer wall of the venturi reaction kettle 1, and the denitration filling layers 30 are arranged in the reaction chamber 2 in a staggered manner in the vertical direction.

In this embodiment, axial and circumference are equipped with the multiunit and remove nitre filling layer 30, have realized removing the abundant contact reaction denitration of nitre filling layer 30 and flue gas, and staggered arrangement has controlled gaseous escape time from gas outlet 5, has fully guaranteed denitration efficiency.

Referring to fig. 1 and 7, as another preferred embodiment of the present invention, a collecting tank 39 is slidably mounted on an inner wall of a bottom of the reaction chamber 2, a handle 40 is disposed on an outer side of the reaction chamber 2, a discharge pipe 34 is mounted on a bottom of an outer wall of the venturi reaction kettle 1 different from the handle 40, and a circular sieve 41 is mounted at a communication position of the discharge pipe 34 and the reaction chamber 2.

In this embodiment, the collecting tank 39 is used for collecting waste liquid containing calcium sulfite after reaction, the handle 40 is convenient for taking and placing the collecting tank 39, the discharge pipe 34 and the circular sieve 41 are matched to ensure that the waste liquid is discharged, solid precipitates such as calcium sulfite and the like are reserved, solid-liquid separation is realized, effective utilization of subsequent waste liquid is ensured, and the device is energy-saving and environment-friendly.

Referring to fig. 1, as another preferred embodiment of the present invention, the roller 27 is installed at the middle throat portion of the venturi reaction vessel 1 through a bearing 29.

In this embodiment, roller 27 drives the rotation of annular tube 38, and the denitration is established and has been guaranteed that the gas velocity of flow is suitable in middle throat, has guaranteed the desulfurated time, has indirectly controlled gas to compare behind the throat and has obviously become fast in the bottom velocity of flow, has guaranteed to be unlikely to block up after the gas denitration, sets up rationally, has fully guaranteed the desulfurization and has promoted dust collection efficiency.

Referring to fig. 1, as another preferred embodiment of the present invention, a top cover 37 is installed at the tail of the gas outlet 5, a dust removing plate 33 is installed at the top of the reaction chamber 2, and the dust removing plate 33 is located below the gas outlet 5.

In this embodiment, the dust removal version has realized secondary dust removal, and the gas after the dust removal is discharged through gas outlet 5, hides top 37 and has guaranteed that gas outlet 5 is exempted from to get into debris such as rainwater dust, is favorable to promoting going on of desulfurization dust removal.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. Flue gas desulfurization denitration dust collector, including venturi reation kettle (1), bag collector (4), feeding case (11), vaporific shower nozzle (28) and denitration filling rod (42), its characterized in that, venturi reation kettle (1) inside is equipped with reaction chamber (2), bag collector (4) are established on air inlet (3) of venturi reation kettle (1) bottom, venturi reation kettle (1) top still is equipped with gas outlet (5), vaporific shower nozzle (28) are installed on ring conduit (38), ring conduit (38) and inside hollow roller (27) intercommunication, roller (27) are installed at venturi reation kettle (1) inner wall through bearing (29), feeding case (11) have water tank (6) through inlet pipe (22) intercommunication, feeding case (11) surface is equipped with feeder hopper (8), feeder hopper (8) lateral wall is fixed with vibrating motor (9), the utility model discloses a reactor, including feeder hopper (8), feeder hopper (8) bottom is equipped with sieve (10), a pair of fluted roller (19) is installed in feed box (11) inner wall rotation, and one of them fluted roller (19) link to each other with motor (12) through first transmission shaft (13), motor (12) still are connected with impeller transmission shaft (35) and disc (15) through belt (14) respectively, impeller (21) are installed to impeller transmission shaft (35) one side, impeller (21) are located inside water tank (6), water tank (6) lateral wall is equipped with water inlet (7), water tank (6) exit end and water pump (24) water inlet intercommunication, hose (25) intercommunication rotary joint (23) are passed through to water pump (24) delivery port, rotary joint (23) are installed on roller (27), roller (27) are connected with third transmission shaft (20) and are located reation kettle (1), disc (15) is installed in second transmission shaft (16) one end, initiative bevel gear is installed to the other end of second transmission shaft (16), second transmission shaft (16) is installed on bearing frame (18) through the middle part rotation, and driven bevel gear is installed to the one end that venturi reation kettle (1) was kept away from in third transmission shaft (20), and driven bevel gear and the drive bevel gear meshing transmission form bevel gear transmission pair (17), denitration packing rod (42) are installed in venturi reation kettle (1) upper portion diffusion section, denitration packing rod (42) include stopper (26), except that nitre filling layer (30), dog (31) and spring (32), except that nitre filling layer (30) locate in reaction chamber (2), except that nitre filling layer (30) through two symmetrical stopper (26) and the corresponding spacing groove clearance fit of venturi reation kettle (1) outer wall, dog (31) are hugged closely with venturi reation kettle (1) outer wall, denitration filler rod (42) part is exposed in venturi reation kettle (1), and exposes the part and link to each other with spring (32) one end, spring (32) other end is connected in venturi reation kettle (1) outer wall opposite to dog (31) one side.

2. The flue gas desulfurization, denitrification and dust removal device according to claim 1, wherein the number of the annular pipes (38) is plural, and the annular pipes are concentrically arranged on the rollers (27), the top and the bottom of each annular pipe (38) are uniformly and coaxially provided with a plurality of mist nozzles (28), and the mist nozzles (28) on two adjacent annular pipes (38) are arranged in a staggered manner.

3. The flue gas desulfurization, denitrification and dust removal device according to claim 1, wherein the sealing rings (36) are installed at the penetration position of the first transmission shaft (13) and the feeding box (11), the penetration position of the impeller transmission shaft (35) and the water tank (6), and the penetration position of the third transmission shaft (20) and the venturi reaction kettle (1).

4. The flue gas desulfurization, denitrification and dust removal device according to claim 1, wherein a plurality of sets of denitration filling layers (30) are arranged on the denitration filling rods (42) along the axial direction and the circumferential direction of the outer wall of the Venturi reaction kettle (1), and the denitration filling layers (30) are arranged in the reaction cavity (2) in a staggered manner in the vertical direction.

5. The flue gas desulfurization, denitrification and dust removal device according to claim 1, wherein the collecting tank (39) is slidably mounted on the inner wall of the bottom of the reaction chamber (2), the handle (40) is arranged on the outer side of the reaction chamber (2), the discharge pipe (34) is mounted on the bottom of the outer wall of the venturi reaction kettle (1) on the side different from the handle (40), and the round screen (41) is mounted at the communication position of the discharge pipe (34) and the reaction chamber (2).

6. The flue gas desulfurization, denitrification and dust removal device according to claim 2, wherein the rollers (27) are mounted in the intermediate throat of the venturi reaction vessel (1) through dense bearings (29).

7. The flue gas desulfurization, denitrification and dust removal device according to claim 1, wherein the tail of the gas outlet (5) is provided with a canopy (37), the top of the reaction chamber (2) is provided with a dust removal plate (33), and the dust removal plate (33) is positioned below the gas outlet (5).