Spray nozzle for flue gas desulfurization and denitrification powder of waste incineration power plant and capable of uniformly distributing powder

Abstract

The utility model discloses a waste incineration power plant flue gas desulfurization and denitration powder spray nozzle capable of uniformly distributing powder, which comprises a spray nozzle main body, the spray nozzle main body is connected with a cleaning mechanism for cleaning the inner wall of the spray nozzle main body, and the cleaning mechanism comprises a sliding block, two lifting rods, an annular scraper and a spring. The spring is used for driving the sliding block to move in the direction away from the spray head body, the lifting rod is used for guiding the annular scraping piece, the two ends of the lifting rod are connected with the annular scraping piece and the sliding block, and the bottom of the spray head body is detachably connected with a connector. Powder attached to the inner wall of the spray head body can be cleaned conveniently and discharged from the nozzle, meanwhile, the connector can be screwed down, the inner wall of the connector can be cleaned, the phenomenon that the spray head is blocked due to powder accumulation is effectively avoided, material spraying is uniform, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to garbage incineration treatment technical field, concretely is a kind of for garbage incineration power plant flue gas desulfurization and denitrification powder agent can make powder uniform distribution spray head. BACKGROUND

[0002] A large amount of kitchen waste, solid waste and other materials are contained in domestic waste, if not timely sorting and recycling, it will cause great resource waste and environmental pollution, and garbage incineration is a relatively traditional method for treating garbage, since the garbage is treated by incineration, the effect of reduction is remarkable. The flue gas generated by garbage incineration needs to be purified, the flue gas is transported into the tank, and the powder is sprayed out through multiple spray heads to contact with the flue gas, so as to achieve the purpose of purification.

[0003] The inner wall of the existing spray head will be attached with powder after a long time, and the spray opening will be blocked. With the accumulation and thickening of the powder, the powder spraying will be uneven, which will affect the contact effect with the gas and reduce the reaction efficiency. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of for garbage incineration power plant flue gas desulfurization and denitrification powder agent can make powder uniform distribution spray head, it has the advantages that the powder agent attached to the inner wall of the spray head main body is cleaned conveniently, and the powder agent is discharged from the spray opening, the inner wall of the connecting head is cleaned, so that the powder is more uniformly sprayed, the problems raised in the above background technology are solved.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of for garbage incineration power plant flue gas desulfurization and denitrification powder agent can make powder uniform distribution spray head, including spray head main body, the spray head main body is connected with the cleaning mechanism for the inner wall cleaning of spray head main body, the cleaning mechanism includes sliding block, two lifting rods, annular scraper, spring, the spring is used to drive sliding block to move in the direction away from spray head main body, the lifting rod is used to annular scraper direction, and the two ends of lifting rod are connected with annular scraper and sliding block, the bottom of spray head main body is detachably connected with connecting head.

[0006] Preferably, the cleaning mechanism further includes a corrugated sleeve, two plugs and two cross plates, the corrugated sleeve is sleeved on the input pipe, and the two ends of the corrugated sleeve are connected with the sliding block and the spray head main body, the plug is connected to the lifting rod, and the plug is matched with the conical hole provided at the top of the spray head main body, the plug is fixedly connected with the cross plate, and the end of the cross plate is connected with the annular scraper.

[0007] Preferably, the spring is located in the corrugated sleeve, and the two ends of the spring are connected with the sliding block and the spray head main body.

[0008] Preferably, the top of the spray head body is provided with a guide hole which is communicated with the conical hole, and the lifting rod is sealingly and slidingly connected to the guide hole.

[0009] Preferably, the bottom of the connecting head is provided with a spray opening which is communicated with the spray head body.

[0010] Preferably, the top of the connecting head is connected with a threaded interface which is matched with a threaded groove provided on the spray head body.

[0011] Preferably, the annular scraper is tightly attached to the inner wall of the spray head body, and the annular scraper is provided with an arc-shaped slope.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows: the utility model discloses a cleaning mechanism, and two lifting rods can be driven to move downward synchronously by pressing the sliding block, the lifting rods apply downward thrust to the annular scraper, the annular scraper moves axially in the spray head body, powder adhered to the inner wall of the spray head body can be cleaned conveniently, the powder can be discharged from the spray opening, the connecting head can be rotated downward to clean the inner wall of the connecting head, the spray head is prevented from being blocked by powder, and material spraying is more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the utility model;

[0014] Figure 2 It is an internal structure schematic view of the spray head body of the utility model;

[0015] Figure 3 It is a partial view of Figure 2 ; It is a partial view of

[0016] Figure 4 It is a connecting structure schematic view of the annular scraper and the spray head body of the utility model;

[0017] Figure 5 It is a partial view of Figure 4 ; It is a partial view of

[0018] Figure 6 It is an enlarged view of B of Figure 5 ; It is an enlarged view of B of

[0019] In the drawing: 1, spray head body; 2, connecting head; 3, corrugated sleeve; 4, sliding block; 5, input pipe; 6, spring; 7, lifting rod; 8, transverse plate; 9, spray opening; 10, threaded interface; 11, threaded groove; 12, annular scraper; 13, guide hole; 14, conical hole; 15, plug. DETAILED DESCRIPTION

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0021] Please refer to Figures 1 to 6 The utility model provides a kind of for garbage incineration power plant flue gas desulfurization and denitrification powder agent can make powder distribution spray head, including spray head main body 1, spray head main body 1 is connected with the cleaning mechanism for the cleaning of spray head main body 1 inner wall, cleaning mechanism includes sliding block 4, two lifting rods 7, annular scraper 12, spring 6, spring 6 is used to drive sliding block 4 to move in the direction away from spray head main body 1, lifting rod 7 is used to guide annular scraper 12, and the both ends of lifting rod 7 are connected with annular scraper 12, sliding block 4, the bottom of spray head main body 1 is detachably connected with connector 2.

[0022] Sliding block 4 can be pressed to drive two lifting rods 7 to move downward synchronously, lifting rod 7 drives annular scraper 12 to move downward, so that annular scraper 12 moves along the axial direction of spray head main body 1, and the sprayed material adhered to the inner wall of spray head main body 1 can be completely scraped off, and the scraped sprayed material is discharged from the spray opening 9. Figure 2 The inner wall of the connector 2 can be conveniently cleaned by unscrewing the connector 2.

[0023] The cleaning mechanism further includes a corrugated sleeve 3, two plugs 15 and two cross plates 8. The corrugated sleeve 3 is sleeved on the input pipe 5, and the both ends of the corrugated sleeve 3 are connected with the sliding block 4 and the spray head main body 1. The plug 15 is connected to the lifting rod 7, and the plug 15 is matched with the conical hole 14 arranged at the top of the spray head main body 1. The plug 15 is fixedly connected with the cross plate 8, and the end of the cross plate 8 is connected with the annular scraper 12. When the sliding block 4 is lifted, the corrugated sleeve 3 can be synchronously folded and expanded, and the lifting rod 7 is synchronously lifted, which, in cooperation with the use of the guide hole 13, makes the annular scraper 12 move stably and plays a good guiding role. In normal use, the spring 6 is in a compressed state, and an upward pushing force is applied to the sliding block 4, so that the plug 15 is tightly pressed in the conical hole 14, the sealing property of the connection between the plug 15 and the conical hole 14 is improved, and the medium leakage phenomenon is avoided.

[0024] The spring 6 is located in the corrugated sleeve 3, and the both ends of the spring 6 are connected with the sliding block 4 and the spray head main body 1.

[0025] The top of the spray head main body 1 is provided with the guide hole 13, the guide hole 13 is communicated with the conical hole 14, the lifting rod 7 is sealingly and slidably connected with the guide hole 13, and the use of the plug 15 achieves a double-sealing effect.

[0026] The bottom of the connecting head 2 is provided with a spout 9, which is communicated with the spray head body 1, the powder enters the spray head body 1 from the input pipe 5, and is sprayed from the spout 9 to react with the gas.

[0027] The top of the connecting head 2 is connected with a threaded interface 10, which is matched with a threaded groove 11 arranged on the spray head body 1, facilitating the disassembly and assembly of the connecting head 2, and facilitating the cleaning of the inner wall of the connecting head 2.

[0028] The annular scraper 12 is tightly attached to the inner wall of the spray head body 1, and the annular scraper 12 is provided with an arc-shaped slope, which is a smooth surface, and can reduce the adhesion of the powder.

[0029] Working principle: the sliding block 4 can be pressed to move downward, synchronously driving the two lifting rods 7 to move downward, the lifting rods 7 drive the horizontal plate 8 and the annular scraper 12 to move synchronously, facilitating the annular scraper 12 to scrape off the powder adhered to the inner wall of the spray head body 1, improving the cleanliness, and making the powder discharged from the spout 9 of the connecting head 2. Further, the connecting head 2 can be unscrewed to facilitate the cleaning of the inner wall of the connecting head 2, avoiding the blockage of the spray head due to the accumulation of powder, and making the spraying more uniform. In normal use, since the spring 6 is in a compressed state, the sliding block 4 is pushed upward, the plug 15 is pressed tightly in the conical hole 14, the conical hole 14 is blocked, the tightness of the connection between the two is improved, the medium leakage phenomenon is avoided, and the use is safe and reliable.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A powder distribution head for flue gas desulfurization and denitrification powder in a waste incineration power plant, comprising a head body (1), characterized in that, The nozzle body (1) is connected with a cleaning mechanism for cleaning the inner wall of the nozzle body (1), the cleaning mechanism comprises a sliding block (4), two lifting rods (7), an annular scraper (12) and a spring (6), the spring (6) is used for driving the sliding block (4) to move away from the nozzle body (1), the lifting rod (7) is used for guiding the annular scraper (12), and the two ends of the lifting rod (7) are connected with the annular scraper (12) and the sliding block (4), and the bottom of the nozzle body (1) is detachably connected with a connector (2).

2. The uniform distribution powder nozzle for flue gas desulfurization and denitrification powder used in waste incineration power plant according to claim 1, characterized in that, The cleaning mechanism further comprises a corrugated sleeve (3), two plugs (15) and two cross plates (8), the corrugated sleeve (3) is sleeved on the input pipe (5), and the two ends of the corrugated sleeve (3) are connected with the sliding block (4) and the nozzle body (1), the plug (15) is connected to the lifting rod (7), and the plug (15) is matched with the conical hole (14) arranged at the top of the nozzle body (1), the plug (15) is fixedly connected with the cross plate (8), and the end of the cross plate (8) is connected with the annular scraper (12).

3. The uniform distribution nozzle for the powder agent used in the flue gas desulfurization and denitrification of waste incineration power plants according to claim 2, characterized in that, The spring (6) is located in the corrugated sleeve (3), and the two ends of the spring (6) are connected with the sliding block (4) and the nozzle body (1).

4. The uniform distribution powder nozzle for flue gas desulfurization and denitrification powder used in waste incineration power plant according to claim 2, characterized in that, The top of the nozzle body (1) is provided with a guide hole (13), the guide hole (13) is communicated with the conical hole (14), and the lifting rod (7) is sealingly and slidingly connected with the guide hole (13).

5. The uniform distribution nozzle for the flue gas desulfurization and denitrification powder used in a waste incineration power plant according to claim 1, characterized in that, The bottom of the connector (2) is provided with a nozzle (9), and the nozzle (9) is communicated with the nozzle body (1).

6. The uniform distribution powder nozzle for flue gas desulfurization and denitrification powder used in waste incineration power plant according to claim 5, characterized in that, The top of the connector (2) is connected with a threaded interface (10), and the threaded interface (10) is matched with a threaded groove (11) arranged on the nozzle body (1).

7. The uniform distribution nozzle for the flue gas desulfurization and denitrification powder agent used in the waste incineration power plant according to claim 1, characterized in that, The annular scraper (12) is tightly attached to the inner wall of the nozzle body (1), and the annular scraper (12) is provided with an arc-shaped inclined surface.

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