Wear-resistant split type boiler nozzle
By using a split-type boiler nozzle connecting sleeve and suction pipe structure, combined with a negative pressure fan, the problem of difficult cleaning of boiler nozzle filter screens is solved, achieving automatic cleaning and extending service life.
Patent Information
- Application Number
- CN202520433437.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing boiler nozzle filters are difficult to clean, resulting in reduced filtration efficiency and increased wear.
Design a split boiler nozzle, which adopts a connecting sleeve and suction pipe structure, combined with a negative pressure fan, to achieve automatic cleaning of the filter screen, and to adsorb and collect impurities by the negative pressure fan.
It enables automatic and rapid cleaning of the filter screen, avoids clogging, extends nozzle life, and simplifies the maintenance process.
Smart Images

Figure CN223882325U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a boiler nozzle technical field, concretely is a wear -resisting split type boiler nozzle. BACKGROUND
[0002] The boiler nozzle is an important component in the boiler system, which is mainly used for spraying fuel (such as oil, gas, etc.) into the combustion chamber in atomized or gasified state, and mixing with air to burn; the design and performance of the nozzle have a direct impact on the combustion efficiency, emission level and operation stability of the boiler.
[0003] At present, in order to reduce the wear of the boiler nozzle caused by impurities in the fuel during the fuel flow, a filter screen is usually installed inside the boiler nozzle, and the existing filter screen is mostly annular, and the impurities are adsorbed on the surface of the filter screen after filtration, which is not easy to clean, and the filter screen can be cleaned only by disassembling the whole boiler nozzle, which is troublesome to maintain and can easily reduce the filtering effect of the filter screen, so it needs to be improved. SUMMARY
[0004] The utility model discloses a wear -resisting split type boiler nozzle to solve the problem that the filter screen of the boiler nozzle is not easy to clean and affects the filtering effect and easily aggravates the wear of the boiler nozzle.
[0005] To achieve the above object, the utility model provides the following technical scheme: a wear -resisting split type boiler nozzle, including the nozzle mounting seat, the nozzle mounting seat one side is connected with the nozzle shell, the nozzle shell is internally provided with intercepts wear -resisting component, intercepts wear -resisting component one side is provided with the nozzle silk belly, the nozzle silk belly one side is provided with the oil way flow divider, and the oil way flow divider one side is provided with atomizing gasket.
[0006] The intercepts wear -resisting component includes the connecting sleeve that is inserted in the nozzle shell, the connecting sleeve one side is provided with the movable cover, the connecting sleeve is internally provided with the filter screen, and the suction pipe is connected to the lower end of the connecting sleeve, one end of the suction pipe penetrates the nozzle shell and the nozzle mounting seat and is located outside the nozzle mounting seat, one end of the suction pipe is connected with the collecting box, and the negative pressure fan is arranged in the collecting box.
[0007] Preferably, the inner wall of the connecting sleeve is fixedly connected with a limiting block, and the limiting block is fixedly connected with a filter screen on one side.
[0008] Preferably, the bottom of the connecting sleeve is provided with a suction nozzle, the suction nozzle corresponds to the position of the top end of the suction pipe, and the suction nozzle and the suction pipe are located on one side of the filter screen.
[0009] Preferably, the outer wall of the connecting sleeve is provided with a thread, the movable cover is threadedly connected to the outer wall of the connecting sleeve, and the connecting sleeve and the movable cover are both provided with an opening on one side.
[0010] Preferably, the collecting box top is inserted with a cover body, the top end of the cover body is connected with the end of the suction pipe, and the suction pipe is provided with an electromagnetic valve.
[0011] Preferably, the bottom of the collecting box is provided with an opening, and the inner wall of the opening is fixedly connected with a second intercepting net, and the top of the second intercepting net is provided with a negative pressure fan.
[0012] Preferably, the top of the negative pressure fan is provided with a first intercepting net.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] (1), the device can realize the automatic and rapid cleaning of the filter screen, and avoid that the filter screen surface accumulates a large amount of impurities to affect the filtering effect of the filter screen.
[0015] (2), the device is provided with a suction nozzle at the lower end of the connecting sleeve inserted in the nozzle shell and is correspondingly connected with the suction pipe of the outer wall of the spray head mounting seat, in the case that the filter screen in the connecting sleeve needs to be cleaned, negative pressure can be generated by starting the negative pressure fan, the particulate impurities on the surface of the filter screen can be adsorbed and collected from top to bottom, thereby realizing the automatic collection of particulate impurities and realizing the automatic cleaning of the filter screen, avoiding that the filter screen is blocked to affect the filtering effect.
[0016] (3), the device is provided with a threaded connection movable sleeve on one side of the connecting sleeve, the filter screen can be disassembled when the movable sleeve is disassembled, so that the filter screen is replaced and maintained conveniently. DETAILED DESCRIPTION
[0017] Figure 1 It is a wear-resistant split type boiler nozzle structure schematic view of the utility model;
[0018] Figure 2 It is a connecting sleeve and movable sleeve connection sectional view of the wear-resistant split type boiler nozzle of the utility model;
[0019] Figure 3 It is a wear-resistant split type boiler nozzle of the utility model; Figure 2 It is an enlarged view of A in the middle.
[0020] In the drawing: 1, spray head mounting seat; 2, nozzle shell; 3, oil way diverter; 4, atomizing gasket; 5, nozzle silk belly; 6, intercepting wear-resistant assembly; 61, connecting sleeve; 62, movable sleeve; 63, electromagnetic valve; 64, suction pipe; 65, cover body; 66, collecting box; 67, first intercepting net; 68, negative pressure fan; 69, second intercepting net; 610, filter screen; 611, limiting block. DETAILED DESCRIPTION
[0021] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a kind of wear-resistant split type boiler nozzle, including spray head mounting seat 1, spray head mounting seat 1 side is threadedly connected with nozzle shell 2, nozzle shell 2 inside is provided with intercept wear-resistant component 6, intercept wear-resistant component 6 side is provided with nozzle silk belly 5, nozzle silk belly 5 side is provided with oil passage flow divider 3, oil passage flow divider 3 side is provided with atomizing gasket 4;Atomizing gasket 4, oil passage flow divider 3 and nozzle silk belly 5 are prior art, so do not carry on too much repetition here;
[0023] The intercepting wear-resistant assembly 6 comprises a connecting sleeve 61 inserted inside the nozzle shell 2, the inner wall of the connecting sleeve 61 is fixedly connected with a limiting block 611, one side of the limiting block 611 is fixedly connected with a filter screen 610; this structure can limit the filter screen 610 through the limiting block 611, so as to ensure the stable installation of the filter screen 610, the filter screen 610 and the limiting block 611 are fixedly connected through bolts; the bottom of the connecting sleeve 61 is provided with a suction nozzle, the suction nozzle corresponds to the top end position of the suction pipe 64, after the threaded connection of the nozzle shell 2 and the spray head mounting seat 1, the suction nozzle of the connecting sleeve 61 inside the nozzle shell 2 is automatically corresponding and spliced with the suction pipe 64, the suction nozzle and the suction pipe 64 are located on one side of the filter screen 610; this structure can filter the particulate impurities in the fuel through the filter screen 610, so as to avoid that the impurities in the fuel cause serious wear of the accessories inside the nozzle shell 2 in the process of high-speed flow of the fuel; the outer wall of the connecting sleeve 61 is provided with threads, the outer wall of the connecting sleeve 61 is threadedly connected with a movable sleeve 62, the connecting sleeve 61 and the movable sleeve 62 are both provided with openings on one side; this structure can conveniently replace the filter screen 610 by rotating and dismounting the movable sleeve 62; the connecting sleeve 61 is provided with the movable sleeve 62 on one side, the connecting sleeve 61 is provided with the filter screen 610 inside, the connecting sleeve 61 is connected with the suction pipe 64 at the lower end, one end of the suction pipe 64 penetrates the nozzle shell 2 and the spray head mounting seat 1 and is located outside the spray head mounting seat 1, one end of the suction pipe 64 is connected with a collecting box 66, the collecting box 66 is inserted with a cover body 65 at the top, the top end of the cover body 65 is connected with the end of the suction pipe 64, and the suction pipe 64 is provided with an electromagnetic valve 63; this structure can automatically control the opening and closing of the suction pipe 64 through the electromagnetic valve 63, so as to avoid the flow of fuel from the suction pipe 64; the cover body 65 can conveniently open the collecting box 66 for cleaning; the bottom of the collecting box 66 is provided with an opening, the inner wall of the opening is fixedly connected with a second intercepting screen 69, and the top of the second intercepting screen 69 is provided with a negative pressure fan 68; this structure can isolate the dust in the external air through the second intercepting screen 69, so as to avoid the adsorption of dust to the surface of the negative pressure fan 68; the top of the negative pressure fan 68 is provided with a first intercepting screen 67; this structure can intercept impurities through the first intercepting screen 67, so as to avoid the adsorption of impurities to the surface of the negative pressure fan 68; the collecting box 66 is provided with the negative pressure fan 68 inside; the particulate impurities on the filter screen 610 can be automatically separated from the collection under the negative pressure of the negative pressure fan 68, so as to realize the automatic cleaning of the filter screen 610, reduce the maintenance difficulty of the filter screen 610, and ensure the filtering effect of the filter screen 610.
[0024] Working principle: when using the wear-resistant split boiler nozzle, first, the nozzle shell 2 is screwed with the nozzle mounting seat 1, when the nozzle shell 2 is rotated to the specified depth, the lower end suction nozzle of the connecting sleeve 61 in the nozzle shell 2 is spliced with the suction pipe 64 position, after the fuel is delivered, the residual impurities on the surface of the filter screen 610 can be automatically cleaned, when cleaning, the electromagnetic valve 63 is opened, the negative pressure fan 68 is started, after the negative pressure fan 68 is started, the lower end suction nozzle of the connecting sleeve 61 generates suction, under the action of suction, the impurities on the filter screen 610 flow from top to bottom into the inside of the suction pipe 64, then through the suction pipe 64, the impurities are collected into the inside of the collecting box 66 and are intercepted and separated by the first intercepting screen 67 in the inside of the collecting box 66, if it is needed to clean the inside of the first intercepting screen 67, the cover 65 on the top of the collecting box 66 can be pulled out and separated, then the first intercepting screen 67 is cleaned.
[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A wear-resistant split type boiler nozzle comprising a spray head mounting seat (1), a nozzle shell (2) is threadedly connected to one side of the spray head mounting seat (1), characterized in that: The nozzle shell (2) is internally provided with an intercept wear-resistant assembly (6), one side of the intercept wear-resistant assembly (6) is provided with a nozzle silk belly (5), one side of the nozzle silk belly (5) is provided with an oil passage shunt (3), one side of the oil passage shunt (3) is provided with an atomizing gasket (4); The intercept wear-resistant assembly (6) comprises a connecting sleeve (61) which is inserted in the nozzle shell (2), one side of the connecting sleeve (61) is provided with a movable sleeve (62), the connecting sleeve (61) is internally provided with a filter screen (610), the connecting sleeve (61) is connected with a suction pipe (64) at the lower end, one end of the suction pipe (64) penetrates the nozzle shell (2) and the nozzle mounting seat (1) and is located outside the nozzle mounting seat (1), one end of the suction pipe (64) is connected with a collecting box (66), the collecting box (66) is internally provided with a negative pressure fan (68).
2. A wear-resistant split boiler nozzle according to claim 1, characterized in that: The inner wall of the connecting sleeve (61) is fixedly connected with a limiting block (611), one side of the limiting block (611) is fixedly connected with the filter screen (610).
3. A wear-resistant split boiler nozzle according to claim 1, characterized in that: The bottom of the connecting sleeve (61) is provided with a suction nozzle, the suction nozzle corresponds to the top end position of the suction pipe (64), and the suction nozzle and the suction pipe (64) are located on one side of the filter screen (610).
4. A wear-resistant, split boiler nozzle according to claim 1, characterized in that: The outer wall of the connecting sleeve (61) is provided with a thread, the movable sleeve (62) is threadedly connected with the outer wall of the connecting sleeve (61), and the connecting sleeve (61) and the movable sleeve (62) are both provided with an opening on one side.
5. A wear-resistant split boiler nozzle according to claim 1, characterized in that: The top of the collecting box (66) is inserted with a cover body (65), the top end of the cover body (65) is connected with the end of the suction pipe (64), and the suction pipe (64) is provided with a solenoid valve (63).
6. A wear-resistant, split boiler nozzle according to claim 1, characterized in that: The bottom of the collecting box (66) is provided with an opening, and the inner wall of the opening is fixedly connected with a second intercept screen (69), and the top of the second intercept screen (69) is provided with the negative pressure fan (68).
7. A wear-resistant, split boiler nozzle according to claim 1, characterized in that: The top of the negative pressure fan (68) is provided with a first intercept screen (67).