CN211411390U

CN211411390U - Internal spraying type dry SCR (selective catalytic reduction) desulfurization and denitrification device

Info

Publication number: CN211411390U
Application number: CN201922275524.2U
Authority: CN
Inventors: 俞华
Original assignee: Fujian Fertile Soil Environmental Protection Group Co ltd
Current assignee: Fujian Fertile Soil Environmental Protection Group Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-04
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses an internal spraying dry method SCR SOx/NOx control device, including tower body and rose box, the bottom intercommunication of tower body one side has communicating pipe, the one end intercommunication of communicating pipe has fixed subassembly, one side activity joint of fixed subassembly has the joint subassembly, one side intercommunication of joint subassembly has the outlet duct, the one end intercommunication of outlet duct and one side intercommunication of rose box, the inside of rose box is provided with the filtration subassembly. The utility model discloses the utilization has increased the stroke of flue gas in the rose box through the baffling board that sets up in the rose box, has increaseed the filterable time of flue gas in the rose box, makes the abundant filtration of cigarette ash on the flue gas, simultaneously through increasing in advance at SOx/NOx control device and filtering cigarette ash device, reduces follow-up SOx/NOx control's work load, has improved work efficiency to and through the joint subassembly and the fixed subassembly that set up, the convenient installation and the dismantlement to the rose box, be convenient for clear up in the rose box.

Description

Internal spraying type dry SCR (selective catalytic reduction) desulfurization and denitrification device

Technical Field

The utility model relates to an internal spraying dry method SCR SOx/NOx control technical field specifically is an internal spraying dry method SCR SOx/NOx control device.

Background

The traditional methods for denitration at present comprise SCR, SNCR, ozone and the like. The Selective Catalytic Reduction (SCR) or selective non-catalytic reduction (SNCR) denitration technology and the ozone oxidation absorption denitration technology are applied to the front end of desulfurization, and the denitration and desulfurization are carried out firstly and then, two sets of equipment are used, and two procedures are carried out.

At present stage's internal injection formula dry process SCR SOx/NOx control device when carrying out SOx/NOx control to the sintering flue gas, the flue gas directly lets in among the SOx/NOx control device, leads to the cigarette ash that contains in the sintering flue gas to filter in the device, has increased the load of the device SOx/NOx control, and the sintering flue gas directly lets in the dry process SCR SOx/NOx control device simultaneously, and the cigarette ash that filters down leads to the device easily to block up, difficult clearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an internal spraying formula dry process SCR SOx/NOx control device 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: the utility model provides an internal spraying dry SCR SOx/NOx control device, includes tower body and rose box, the bottom intercommunication of tower body one side has communicating pipe, the one end intercommunication of communicating pipe has fixed subassembly, one side activity joint of fixed subassembly has the joint subassembly, one side intercommunication of joint subassembly has the outlet duct, the one end intercommunication of outlet duct and one side intercommunication of rose box, the inside of rose box is provided with filtering component, the opposite side intercommunication of rose box articulates through hinge seal has the filter cover, one side intercommunication of filter cover has the air inlet.

Preferably, the joint subassembly includes the joint ring, one side of joint ring and one side fixed connection of outlet duct, two fixture blocks of opposite side symmetry fixedly connected with of joint ring, the volume of keeping away from each other for two fixture blocks all sets up flutedly, the inside sliding connection of recess has the slider.

Preferably, one side fixedly connected with arc piece of slider, the opposite side of slider passes through spring and one side fixed connection of recess inner wall, fixedly connected with sealing ring between the opposite side of joint ring just is located two fixture blocks relative one side.

Preferably, the fixing assembly comprises a fixing ring, one side of the fixing ring is fixedly connected with one side of the communicating pipe, two clamping grooves are symmetrically formed in the other side of the fixing ring, one sides of the inner walls of the clamping grooves are communicated with the communicating grooves, and moving blocks are connected to the inner walls of the communicating grooves in a sliding mode.

Preferably, one side of the moving block is fixedly connected with a sliding rod, one end of the sliding rod penetrates through the fixing ring and extends to the outside of the fixing ring, one end of the sliding rod is fixedly connected with a pressing block, and a spring is sleeved on one side, opposite to the fixing ring, of the pressing block and located on the surface of the sliding rod.

The filter box is convenient to detach and replace through the arranged clamping assembly and the fixing assembly, and dust in the filter box is cleaned.

Preferably, the filtering component comprises a fixing plate, the fixing plate is fixedly connected with a baffle through a plurality of baffle plates, and the baffle is provided with filtering holes.

The baffle plate is provided with a filter hole, one side of the filter hole is provided with a sponge, the arranged baffle plate increases the stroke of the smoke passing through the filter box, and the dust contained in the smoke is fully filtered.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the utility model discloses the baffling board that sets up through setting up in the filter box has increased the stroke of flue gas in the filter box, has increaseed the filterable time of flue gas in the filter box, makes the abundant filtration of cigarette ash on the flue gas, and through increasing in advance at SOx/NOx control device and filtering cigarette ash device simultaneously, reduces follow-up SOx/NOx control's work load, has improved work efficiency.

(2) Through the clamping assembly and the fixing assembly which are arranged, the filter box is convenient to install and detach, and the filter box is convenient to clean.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a tower body; 2. a filter box; 3. a filter assembly; 31. a baffle plate; 32. a filtration pore; 33. a baffle plate; 34. a fixing plate; 4. an air inlet; 5. a clamping assembly; 51. a snap ring; 52. a seal ring; 53. a slider; 54. a groove; 55. an arc-shaped block; 56. a clamping block; 6. a fixing assembly; 61. a fixing ring; 62. a pressing block; 63. a slide bar; 64. a communicating groove; 65. a moving block; 66. a clamping groove; 67. a sealing groove; 7. a communicating pipe; 8. an air outlet pipe; 9. and (7) a filter cover.

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. 1-2, the present invention provides an embodiment:

the utility model provides an internal spraying dry SCR SOx/NOx control device, includes tower body 1 and rose box 2, the bottom intercommunication of tower body 1 one side has communicating pipe 7, the one end intercommunication of communicating pipe 7 has fixed subassembly 6, one side activity joint of fixed subassembly 6 has joint subassembly 5, one side intercommunication of joint subassembly 5 has outlet duct 8, the one end intercommunication of outlet duct 8 and the one side intercommunication of rose box 2, the inside of rose box 2 is provided with filter assembly 3, the opposite side intercommunication of rose box 2 articulates through hinge seal has filter cover 9, one side intercommunication of filter cover 9 has air inlet 4.

The clamping component 5 comprises a clamping ring 51, one side of the clamping ring 51 is fixedly connected with one side of the air outlet pipe 8, two clamping blocks 56 are symmetrically and fixedly connected with the other side of the clamping ring 51, a groove 54 is formed in the amount of the two clamping blocks 56 which are far away from each other, and a sliding block 53 is connected to the inside of the groove 54 in a sliding mode.

One side of the snap ring 51 is welded to one side of the outlet pipe 8.

An arc-shaped block 55 is fixedly connected to one side of the sliding block 53, the other side of the sliding block 53 is fixedly connected to one side of the inner wall of the groove 54 through a spring, and a sealing ring 52 is fixedly connected to the other side of the clamping ring 51 and located between the opposite sides of the two clamping blocks 56.

The fixing assembly 6 comprises a fixing ring 61, one side of the fixing ring 61 is fixedly connected with one side of the communication pipe 7, two clamping grooves 66 are symmetrically formed in the other side of the fixing ring 61, one side of the inner wall of each clamping groove 66 is communicated with a communication groove 64, and a moving block 65 is connected to the inner wall of each communication groove 64 in a sliding mode.

One side of the arc-shaped block 55 is designed to be arc-shaped, so that the arc-shaped block 55 can conveniently enter the clamping groove 66, the arc-shaped block 55 is in adaptive clamping connection with the communication groove 64, and the clamping block 56 is in adaptive clamping connection with the clamping groove 66.

A sliding rod 63 is fixedly connected to one side of the moving block 65, one end of the sliding rod 63 penetrates through the fixing ring 61 and extends to the outside of the fixing ring 61, a pressing block 62 is fixedly connected to one end of the sliding rod 63, and a spring is sleeved on one side of the pressing block 62 opposite to the fixing ring 61 and located on the surface of the sliding rod 63.

The filtering component 3 comprises a fixing plate 34, the fixing plate 34 is fixedly connected with a baffle 31 through a plurality of baffle plates 33, and the baffle 31 is provided with filtering holes 32.

The fixing plate 34 is circular, a through hole is formed in the fixing plate, and a filter screen is arranged in the filter hole 32.

The working principle is as follows: s1: the flue gas gets into from air inlet 4, through the through-hole on the fixed plate 34, filters through baffling board 33, and the dust adsorbs on the sponge that sets up on baffling board 33, and filterable flue gas filters once more through the filtration hole on baffle 31, and the flue gas after the filtration enters into tower body 1 through outlet duct 8 and carries out processing on next step.

S2: when dismantling and cleaning filter box 2, extrude pressing block 62 to the centre, pressing block 62 extrudes slide bar 63 and movable block 65, movable block 65 extrudes arc-shaped block 55, slider 53 and spring, extrude arc-shaped block 55 into recess 54, outwards stimulate filter box 2, draw out clamping block 56 and sealing ring 52 clamping groove 66 and sealing groove 67 respectively, open filter cover 9 to filter box 2 dismantled, clean filter box 2's inside, during the installation, the same principle as above, clamp block 56 and sealing ring 52 in clamping groove 66 and sealing groove 67 respectively and carry out sealed joint.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an internal spray formula dry process SCR SOx/NOx control device, includes tower body and rose box, its characterized in that: the bottom intercommunication of tower body one side has communicating pipe, the one end intercommunication of communicating pipe has fixed subassembly, one side activity joint of fixed subassembly has the joint subassembly, one side intercommunication of joint subassembly has the outlet duct, the one end intercommunication of outlet duct and the one side intercommunication of rose box, the inside of rose box is provided with filtering component, the opposite side intercommunication of rose box is through the sealed articulated filter cover that has of hinge, one side intercommunication of filter cover has the air inlet.

2. The internal injection type dry SCR desulfurization and denitrification device according to claim 1, wherein: the joint subassembly includes the joint ring, one side of joint ring and one side fixed connection of outlet duct, two fixture blocks of opposite side symmetry fixedly connected with of joint ring, the once volume that two fixture blocks kept away from each other all sets up flutedly, the inside sliding connection of recess has the slider.

3. The internal injection type dry SCR desulfurization and denitrification device according to claim 2, wherein: one side fixedly connected with arc piece of slider, the opposite side of slider passes through one side fixed connection of spring and recess inner wall, the opposite side of joint ring just is located fixedly connected with sealing ring between the relative one side of two fixture blocks.

4. The internal injection type dry SCR desulfurization and denitrification device according to claim 1, wherein: the fixing assembly comprises a fixing ring, one side of the fixing ring is fixedly connected with one side of the communicating pipe, the other side of the fixing ring is symmetrically provided with two clamping grooves, one sides of the inner walls of the clamping grooves are communicated with the communicating grooves, and the inner walls of the communicating grooves are connected with moving blocks in a sliding mode.

5. The internal injection type dry SCR desulfurization and denitrification device according to claim 4, wherein: one side of the moving block is fixedly connected with a sliding rod, one end of the sliding rod penetrates through the fixing ring and extends to the outside of the fixing ring, one end of the sliding rod is fixedly connected with a pressing block, and a spring is sleeved on one side, opposite to the fixing ring, of the pressing block and on the surface, located on the sliding rod.

6. The internal injection type dry SCR desulfurization and denitrification device according to claim 1, wherein: the filtering component comprises a fixed plate, the fixed plate is fixedly connected with a baffle through a plurality of baffle plates, and filtering holes are formed in the baffle.