Detachable hood

Abstract

The utility model discloses a detachable wind cap, which relates to the technical field of wind caps, and comprises a seat body, a sleeve and a wind cap, a through hole extending in the vertical direction is formed in the base body. The sleeve comprises a connecting part and a supporting part. The technical scheme provided by the utility model has the technical effects that the air holes in the outer side wall of the air cap and the circulating cavity formed by the through hole, the sleeve and the air cap are adopted, so that air can enter and exit, the air required by the boiler can be met, and the flowing cavity can also prevent things in the boiler from flowing back. By adopting the detachable arrangement mode of the air cap, a user or a maintainer can conveniently take down the air cap from the sleeve to clean or replace the air cap, so that the situation that dust, dirt or other sundries are accumulated in the air cap and the air holes due to long-time use, so that the ventilation effect is influenced is avoided, and the flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hood technical field, especially in a detachable hood. BACKGROUND

[0002] The boiler hood is installed on the air plate at the bottom of the fluidized bed boiler combustion chamber, is communicated with the air bellow inside, and is used for conveying the air sent by the boiler to the bed material layer to meet the air required by the boiler, and the size of the air sent is controlled to keep the bed material layer in the fluidized boiling state all the time to make the coal burn completely.

[0003] At present, the hoods of the fluidized bed boiler generally adopt large bell cover type and small bell cover type, the protective sleeve is arranged inside the hood for the large bell cover type hood, and there is a sandwich gap between the sleeve and the hood head, since the hood head and the sleeve are welded together, when the inside of the hood is blocked, the blockage in the sandwich gap cannot be effectively cleaned. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a detachable hood, which can effectively clean the blockage in the sandwich gap.

[0005] To achieve the above-mentioned purpose, the detachable hood provided by the utility model comprises:

[0006] A seat body has a through hole extending in the up-down direction inside;

[0007] A sleeve comprises a connecting part and a supporting part, the connecting part is sleeved on the outer side wall of the seat body, the supporting part comprises oppositely arranged first and second ends, the first end is arranged close to the seat body and connected with the connecting part, and the second end is arranged in extension away from the seat body; and

[0008] A hood is arranged on the second end of the supporting part in detachable connection with the sleeve at the open end of the hood to form a flow cavity communicating with the through hole, and the outer side wall of the hood is provided with a gas permeation hole communicating with the flow cavity.

[0009] In an embodiment, the open end of the hood is provided with a mounting groove, the mounting groove is a first mounting groove, and the first mounting groove is adapted to be mounted on the second end of the supporting part.

[0010] In an embodiment, the open end of the hood is provided with a second mounting groove, the second mounting groove is in communication with the first mounting groove, and is located at the lower end of the first mounting groove.

[0011] In an embodiment, a load-bearing part is arranged on the outer side wall of the seat body, and the upper part of the load-bearing part is in contact with the lower part of the supporting part.

[0012] In an embodiment, the load-bearing portion comprises a support platform that surrounds an outer sidewall of the base.

[0013] In an embodiment, the load-bearing portion extends away from one side of the base into the second mounting slot, and a gap is formed between the load-bearing portion and an inner wall of the second mounting slot.

[0014] In an embodiment, the detachable hood further comprises a pin that is disposed on an outer portion of the hood and extends through the hood into the second end of the support portion.

[0015] In an embodiment, the plurality of air vents are disposed proximate to the support portion.

[0016] In an embodiment, the plurality of air vents are disposed in a radial direction of the hood.

[0017] In an embodiment, the plurality of air vents are disposed in an inclined manner, and the inclined direction is toward a lower end of the hood.

[0018] The technical solution of the utility model discloses a plurality of air vents on the outer sidewall of the hood and the flow cavity formed by the through hole, the sleeve and the hood, air can enter and exit, meet the air required by the boiler, and the flow cavity can also prevent the backflow of things in the boiler. By adopting the detachable setting mode of the hood, users or maintenance personnel can conveniently take down the hood from the sleeve, clean or replace it, reduce the accumulation of dust, dirt or other sundries in the interior of the hood and the air vents, thereby affecting the ventilation effect, and improve the flexibility. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to the structure shown in these drawings without creative labor.

[0020] Figure 1 The structure schematic view of one embodiment of the detachable hood provided by the utility model.

[0021] Explanation of reference numerals:

[0022] 100, detachable hood; 1, seat body; 11, through hole; 12, bearing part; 121, support table; 2, sleeve; 21, connecting part; 22, support part; 221, first end; 222, second end; 3, hood; 31, open end; 311, mounting groove; 3111, first mounting groove; 312, second mounting groove; 32, flow cavity; 33, air hole; 4, gap; 5, pin.

[0023] The realization, functional features and advantages of the utility model will be further described in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directionality indications also change accordingly.

[0026] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the utility model.

[0027] The boiler hood is installed on the air plate at the bottom of the combustion chamber of the fluidized bed boiler, is communicated with the air bellow inside, and is used for conveying the air sent by the boiler to the bed material layer to meet the air required by the boiler. By controlling the size of the air sent, the bed material layer is always kept in a fluidized boiling state, so that the coal combustion is complete.

[0028] At present, the hoods of the fluidized bed boiler generally adopt large bell cover type and small bell cover type. For the large bell cover type hood, a protective sleeve is arranged inside the hood, and there is a interlayer gap between the sleeve and the hood head. Since the hood head and the sleeve are welded together, when the inside of the hood is blocked, the blockage in the interlayer gap cannot be effectively cleaned.

[0029] The detachable air cap can effectively clean the blockage in the interlayer gap.

[0030] Please refer to Figure 1 In the embodiment of the utility model, the detachable air cap 100, including seat body 1, sleeve 2 and air cap 3, the seat body 1 inside has the through hole 11 along the up and down direction extension setting, sleeve 2 includes connecting portion 21 and support portion 22, connecting portion 21 is set on the outside wall of seat body 1, support portion 22 includes oppositely arranged first end 221 and second end 222, first end 221 is close to the seat body 1 setting, and is connected with connecting portion 21, the second end 222 is along the direction away from the seat body 1 and is extended and is set, the lower end of air cap 3 is set as an opening, the opening end 31 of air cap 3 is relatively detachable and is set on the second end 222 of support portion 22 with sleeve 2 spacing, to form the flow cavity 32 that communicates through hole 11, the outside wall of air cap 3 is penetrated and is provided with the air hole 33 that communicates flow cavity 32.

[0031] The technical scheme of the utility model discloses the air hole 33 on the outside wall of air cap 3 and the flow cavity 32 formed by through hole 11, sleeve 2 and air cap 3, air can go in and out, meet the air required by boiler, and the flow cavity can also prevent the things in the boiler from flowing back. By adopting the detachable setting mode of air cap 3, users or maintenance personnel can conveniently take off air cap 3 from sleeve 2, clean or replace it, reduce the dust, dirt or other sundries accumulated in air cap 3 and air hole 33 due to long-term use, thereby affecting the ventilation effect and improving the flexibility.

[0032] It can be understood that the detachable setting mode between air cap 3 and the second end 222 of support portion 22 can be bolted, screwed or buckled.

[0033] Specifically, in an embodiment, the detachable air cap 100 further comprises a pin 5, which is arranged outside the air cap 3 and penetrates the air cap 3 into the second end 222 of the support portion 22.

[0034] In this way, the detachable nature of the pin 5 allows users to easily detach and replace the air cap 3 as needed, improving the convenience and flexibility of use. The use of a pin 5 has the advantages of strong adaptability, high reliability, and reusability.

[0035] In an embodiment, the opening end 31 of the hood 3 is provided with a mounting groove 311, which is a first mounting groove 3111, and the first mounting groove 3111 is adapted to be mounted with the second end 222 of the support part 22.

[0036] In this way, the first mounting groove 3111 provides a mounting position for the support part 22, which is adapted to be mounted with the support part 22, so that the hood 3 can be accurately docked with the support part 22 during installation, and the misalignment or loosening of the hood 3 can be reduced.

[0037] In an embodiment, the opening end 31 of the hood 3 is provided with a second mounting groove 312, which is in communication with the first mounting groove 3111 and located at the lower end of the first mounting groove 3111.

[0038] In this way, the second mounting groove 312 can also be used for other additional functions, such as installing additional fixing members to adjust the angle or height of the hood 3, so as to meet the diversified needs of users.

[0039] In an embodiment, a load-bearing part 12 is arranged on the outer side wall of the seat body 1, and the upper part of the load-bearing part 12 is in contact with the lower part of the support part 22.

[0040] In this way, the load-bearing part 12 can support the hood 3, thereby improving the reliability of the installation of the hood 3. Moreover, the stability of the support part 22 is improved, and the support part 22 can be stably fixed on the seat body 1 and is not prone to displacement or tilting, thereby improving the stability of the entire device.

[0041] Specifically, in an embodiment, the load-bearing part 12 comprises a support table 121, which is fixedly arranged around the outer side wall of the seat body 1.

[0042] In this way, the support table 121 provides a support position for the sleeve 2 and facilitates the placement of the hood 3, thereby improving the stability.

[0043] It should be explained that the hood 3 is placed on the sleeve 2 by its own gravity, and the flow-through cavity 32 is formed between the hood 3 and the sleeve 2.

[0044] In an embodiment, the load-bearing part 12 extends to the second mounting groove 312 away from one side of the seat body 1, and a gap 4 is formed between the load-bearing part 12 and the inner wall of the second mounting groove 312.

[0045] Thus, by extending the load-bearing portion 12 into the second mounting groove 312, the wind cap 3 is provided with a support position, and the wind cap 3 is reliably placed; by forming the gap 4, the user can easily take the wind cap 3 through the gap 4, and convenience is provided.

[0046] In an embodiment, the air vents 33 are provided in plurality, and the plurality of air vents 33 are arranged close to the support portion 22.

[0047] Thus, the air vents 33 provide oxygen for the combustion process of the fuel, ensure that the combustion-supporting air can preliminarily mix with the fuel before entering the combustion zone, and help to form a more uniform fuel-air mixture and promote complete combustion.

[0048] In an embodiment, the air vents 33 are arranged in the radial direction of the wind cap 3.

[0049] Thus, by reasonably arranging the air vents 33, the uniform distribution of air in the entire combustion area is improved, the fuel can be burned in a wider space at the same time, and the occurrence of local overheating or incomplete combustion is reduced.

[0050] In an embodiment, the air vents 33 are arranged in an inclined manner, and the inclined direction is towards the lower end of the wind cap 3.

[0051] Thus, by arranging the air vents 33 in an inclined manner, the airflow is improved, and the oxygen concentration at the bottom of the combustion zone is increased, especially for fuels such as large particles in a coal-fired boiler that are prone to form anoxic environments at the bottom. At the same time, the airflow velocity can be adjusted, and the combustion environment in the boiler is improved.

[0052] The above is only a preferred embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structural transformation or direct / indirect application in other related technical fields within the inventive concept of the present application is included in the patent protection range of the present application.

Claims

1. A detachable windproof hood, characterized in that, include: The base has through holes extending in the vertical direction inside; A sleeve, including a connecting portion and a supporting portion, wherein the connecting portion is sleeved on the outer side wall of the seat body, and the supporting portion includes a first end and a second end disposed opposite to each other, the first end being disposed close to the seat body and connected to the connecting portion, and the second end extending in a direction away from the seat body; and... The wind cap has an open lower end and is detachably connected to the second end of the support relative to the sleeve to form a flow cavity that communicates with the through hole. The outer wall of the wind cap has a vent hole that communicates with the flow cavity.

2. The detachable hood as described in claim 1, characterized in that, The wind cap has an opening end with a mounting groove, which is designated as the first mounting groove. The first mounting groove is adapted to the second end of the support.

3. The detachable hood as described in claim 2, characterized in that, The wind cap has a second mounting groove at its open end, which is connected to the first mounting groove and located at the lower end of the first mounting groove.

4. The detachable hood as described in claim 3, characterized in that, A load-bearing part is provided on the outer side wall of the seat, and the upper part of the load-bearing part is in contact with the lower part of the support part.

5. The detachable hood as described in claim 4, characterized in that, The load-bearing part includes a support platform, which is fixedly mounted around the outer wall of the base.

6. The detachable hood as described in claim 4, characterized in that, The load-bearing part extends into the second mounting groove from the side away from the seat, and a gap is formed between it and the inner wall of the second mounting groove.

7. The detachable hood as described in claim 1, characterized in that, The detachable hood also includes a pin, which is located on the outside of the hood and passes through the hood to the second end of the support portion.

8. The detachable hood as described in claim 1, characterized in that, The ventilation holes are provided in multiple ways, and the multiple ventilation holes are located close to the support portion.

9. The detachable hood as described in claim 1, characterized in that, The ventilation holes are spaced apart along the radial direction of the hood.

10. The detachable hood as described in claim 1, characterized in that, The ventilation holes are inclined, with the inclination direction facing the lower end of the hood.

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