CN216694019U

CN216694019U - Fresh air replenishing device of hot blast stove

Info

Publication number: CN216694019U
Application number: CN202123126559.3U
Authority: CN
Inventors: 刘钱禹; 王静洁; 王桂金
Original assignee: China Auto Group Tianjin System Engineering Co ltd
Current assignee: China Auto Group Tianjin System Engineering Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-07
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to the field of hot blast stove equipment, and provides a fresh air supplementing device for a hot blast stove, which comprises: the connecting pipe still includes: adjustable blast gate subassembly and the fixed subassembly of filter, adjustable blast gate subassembly one end and connecting pipe sealing connection, the adjustable blast gate subassembly other end and the fixed subassembly sealing connection of filter, adjustable blast gate subassembly includes: the air valve connecting frame is connected with the outer frame, the air plate assemblies, the hinged connecting rods and the rotating handle, one end of the air valve connecting frame is in sealed connection with the connecting pipe, the other end of the air valve connecting frame is in sealed connection with the filter fixing assembly, a plurality of groups of rotatable air plate assemblies are arranged in the air valve connecting frame in an array mode, the plurality of groups of air plate assemblies are hinged through the hinged connecting rods, the rotating handle is arranged on the outer side of the air valve connecting frame, and the control end of the rotating handle is connected with one of the air plate assemblies.

Description

Fresh air replenishing device of hot blast stove

Technical Field

The utility model relates to the field of hot blast stove equipment, in particular to a fresh air supplementing device of a hot blast stove.

Background

The drying hot blast stove is a thermodynamic machine, is widely applied in China in the end of the 20 th century 70 years, and becomes an upgrading product of an electric heat source and a traditional steam power heat source in many industries. The hot blast stove has various types and complete series, and is divided into two types of manual combustion and mechanical combustion in a coal feeding mode, and is divided into a coal furnace, an oil furnace, a gas furnace and the like in fuel types.

The drying hot-blast stove has excellent thermal insulation and heat preservation, and has no thermal bridge; the heat expansion performance is realized, the maintenance and the cleaning are convenient, the total weight of the drying hot blast stove is light, the heat capacity is small, and the drying hot blast stove has the self-loading function and can bear the loads of a conveying system and drying.

Among the prior art, during operation in the hot-blast furnace of drying, inside burning need consume a large amount of air, thereby often the hot-blast furnace of drying comes too late to supply the combustion efficiency that the new trend reduces the hot-blast furnace of drying in, and some new wind gaps are because set up simply, make the air can only get into by ration in the definite time, can't carry out the regulation of air transportation volume, can contain a large amount of impurity in some new trend even to influence the combustion efficiency in the hot-blast furnace of drying.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that in the prior art, when the drying hot blast stove works, a large amount of air needs to be consumed for internal combustion, and the drying hot blast stove often has no time to supplement fresh air, so that the combustion efficiency of the drying hot blast stove is reduced, some fresh air ports are simple in arrangement, so that air can only quantitatively enter in a certain time, the air conveying quantity cannot be adjusted, and even some fresh air ports contain a large amount of impurities, so that the combustion efficiency in the drying hot blast stove is influenced, the utility model provides a fresh air supplementing device for the hot blast stove, and aims to solve the problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a fresh air supplement device of a hot blast stove comprises: the connecting pipe still includes: the adjustable air valve component comprises an adjustable air valve component and a filter fixing component, wherein one end of the adjustable air valve component is connected with the connecting pipe in a sealing mode, and the other end of the adjustable air valve component is connected with the filter fixing component in a sealing mode.

Preferably, the adjustable damper assembly comprises: frame, aerofoil subassembly, articulated connecting rod and rotation handle are connected to the blast gate, frame one end and connecting pipe sealing connection are connected to the blast gate, and the frame other end and the fixed subassembly sealing connection of filter are connected to the blast gate, and the array installs the rotatable aerofoil subassembly of multiunit in the blast gate connection frame, and multiunit aerofoil subassembly is articulated through articulated connecting rod, rotates the handle setting and connects the frame outside at the blast gate, rotates handle control end and is connected with one set of aerofoil subassembly among them.

Preferably, the aerofoil subassembly includes aerofoil and axis of rotation, the aerofoil center suit is in the axis of rotation outside, and the axis of rotation both ends are fixed on the outer frame inside wall is connected to the blast gate through the bearing, and wherein a set of axis of rotation one end is outstanding blast gate and is connected the outer frame and rotate the handle and be connected.

Preferably, the filter fixing assembly includes: frame subassembly is pressed to frame, filter and filter connection frame, frame one end and the blast gate connection frame sealing connection are connected to the filter, and the frame other end is connected to the filter is provided with the filter, and the frame subassembly setting is pressed in the filter outside to the filter.

Preferably, the filter press frame assembly comprises: press frame board and hasp subassembly, press frame board one end movable mounting to connect frame other end side middle part at the filter, press the frame board other end to pass through hasp subassembly detachable to be fixed at filter and connect frame offside side middle part.

Preferably, the seal is sealed by a ceramic fibre band.

Preferably, when the flaps are pivoted to the closed position, adjacent flaps are in close proximity.

The utility model has the advantages that: according to the utility model, the adjustable air valve assembly is arranged, so that external air can enter the hot air drying furnace, the air plate assembly can be rotated by adjusting the rotating handle in the adjustable air valve assembly, the air plate assembly can synchronously rotate a plurality of groups of air plate assemblies under the action of the hinged connecting rod, and the purpose of controlling the air intake in a limited space is realized.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a structural isometric view of the adjustable air valve assembly of the present invention;

FIG. 3 is a structural isometric view of the aerofoil of the present invention;

FIG. 4 is a structural isometric view of the filter mounting assembly of the present invention;

description of reference numerals:

1. a connecting pipe; 2. an adjustable damper assembly; 3. a filter holding assembly; 21. the air valve is connected with the outer frame; 22. A damper assembly; 23. a hinged connecting rod; 24. rotating the handle; 221. a wind plate; 222. a rotating shaft; 31. the filter is connected with the outer frame; 32. a filter; 33. a filter press frame assembly; 331. pressing a frame plate; 332. a lock catch assembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The first embodiment is described with reference to fig. 1 to 3:

a fresh air supplement device of a hot blast stove comprises: connecting pipe 1 still includes: adjustable blast gate subassembly 2 and filter fixed

subassembly

3, 2 one ends of adjustable blast gate subassembly and 1 sealing connection of connecting pipe, the 2 other ends of adjustable blast gate subassembly and 3 sealing connection of filter fixed subassembly, adjustable blast gate subassembly 2 includes: the air valve connecting outer frame 21, the air flap assembly 22, the hinge connecting rod 23 and the rotating handle 24, one end of the air valve connecting outer frame 21 is connected with the connecting pipe 1 in a sealing way, the other end of the air valve connecting outer frame 21 is connected with the filter fixing assembly 3 in a sealing way, a plurality of groups of rotatable air flap assemblies 22 are arranged in the air valve connecting outer frame 21 in an array way, the groups of air flap assemblies 22 are hinged through the hinge connecting rod 23, the rotating handle 24 is arranged outside the air valve connecting outer frame 21, the control end of the rotating handle 24 is connected with one group of air flap assemblies 22, the air flap assemblies 22 comprise air flaps 221 and rotating shafts 222, the centers of the air flaps 221 are sleeved outside the rotating shafts 222, the two ends of the rotating shafts 222 are fixed on the inner side wall of the air valve connecting outer frame 21 through bearings, one end of one group of the rotating shafts 222 protrudes out of the air valve connecting outer frame 21 to be connected with the rotating handle 24, and the arrangement is adopted, when the air flap assemblies 22 are adjusted to rotate, the multiple groups of air plate assemblies 22 are opened and closed simultaneously under the action of the hinged connecting rod 23, so that fresh air enters the drying hot-blast stove through the connecting pipe 1, the position of the rotating handle 24 is adjusted, the amount of fresh air entering can be adjusted, the air plates 221 are fixedly installed on the rotating shaft 222, and the air plates 221 and the rotating shaft 222 can rotate synchronously.

The second embodiment is explained with reference to fig. 1 and 4 on the basis of the first embodiment:

the filter holding assembly 3 includes: frame subassembly 33 is pressed to filter connection frame 31, filter 32 and filter, frame 31 one end and the outer frame 21 sealing connection are connected to the filter, and the filter is connected the frame 31 other end and is provided with filter 32, and filter presses frame subassembly 33 to set up in the filter 32 outside, filter presses frame subassembly 33 to include: press framed board 331 and hasp subassembly 332, press framed board 331 one end movable mounting to connect frame 31 other end side middle part at the filter, press framed board 331 other end to pass through hasp subassembly 332 detachable and fix at frame 31 offside side middle part is connected to the filter, so set up, filter press framed subassembly 33 is used for fixed filter 32, frame 31 is connected to the filter is used for supporting filter 32, make filter 32 card connect frame 31 upper end at the filter, filter 32 is arranged in filtering the impurity in the new trend, be convenient for later maintenance through using press framed board 331 and hasp subassembly 332 and change the filter, make things convenient for the dismouting.

In the third embodiment, the following is explained with reference to fig. 1 on the basis of the second embodiment:

the sealing position is sealed by the ceramic fiber belt, so that the sealing performance of the device is improved, and the device is convenient to mount.

In a fourth embodiment, the following is described with reference to fig. 2 on the basis of the third embodiment:

when the air plates 221 rotate to the closed position, the edges of the adjacent air plates are tightly attached, and the arrangement is such that when fresh air does not need to be supplemented, outside air can be prevented from entering.

The working principle of the utility model is as follows: the utility model provides a hot-blast furnace new trend replenishing device, 2 one ends of adjustable blast gate subassembly and 1 sealing connection of connecting pipe, the 2 other ends of adjustable blast gate subassembly and 3 sealing connection of filter fixed subassembly, adjustable blast gate subassembly 2 includes: the air valve is connected with the outer frame 21, the air flap assembly 22, the hinge connecting rod 23 and the rotating handle 24, one end of the air valve is connected with the outer frame 21 and is hermetically connected with the connecting pipe 1, the other end of the air valve is connected with the filter fixing assembly 3, a plurality of groups of rotatable air flap assemblies 22 are arranged in the air valve connecting outer frame 21 in an array mode, the plurality of groups of air flap assemblies 22 are hinged through the hinge connecting rod 23, the rotating handle 24 is arranged on the outer side of the air valve connecting outer frame 21, the control end of the rotating handle 24 is connected with one group of air flap assemblies 22, the air flap assemblies 22 comprise air flaps 221 and rotating shafts 222, the centers of the air flaps 221 are sleeved on the outer side of the rotating shafts 222, the two ends of the rotating shafts 222 are fixed on the inner side wall of the air valve connecting outer frame 21 through bearings, one end of one group of the rotating shafts 222 protrudes out of the air valve connecting outer frame 21 and is connected with the rotating handle 24, and when the air flap assemblies 22 are used, the rotating handle 24 can be adjusted to drive the air flap assemblies 22 to rotate, the air plate assemblies 22 are opened and closed simultaneously under the action of the hinged connecting rod 23, so that fresh air enters the drying hot blast stove through the connecting pipe 1, the position of the rotating handle 24 is adjusted, the amount of fresh air entering can be adjusted, the air plates 221 are fixedly arranged on the rotating shaft 222, the air plates 221 can synchronously rotate with the rotating shaft 222, the filter pressing frame assembly 33 is used for fixing the filter 32, the filter connecting outer frame 31 is used for supporting the filter 32, the filter 32 is clamped at the upper end of the filter connecting outer frame 31, the filter 32 is used for filtering impurities in the fresh air, the filter is convenient to maintain and replace at the later stage by using the pressing frame plates 331 and the locking assemblies 332, and the disassembly and the assembly are convenient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.

Claims

1. A fresh air supplement device of a hot blast stove comprises: connecting pipe (1), its characterized in that still includes: adjustable blast gate subassembly (2) and filter fixed subassembly (3), adjustable blast gate subassembly (2) one end and connecting pipe (1) sealing connection, adjustable blast gate subassembly (2) other end and filter fixed subassembly (3) sealing connection.

2. A hot blast stove fresh air supplementary device according to claim 1, characterized in that the adjustable air valve assembly (2) comprises: frame (21), aerofoil subassembly (22), articulated connecting rod (23) and rotation handle (24) are connected to the blast gate, frame (21) one end and connecting pipe (1) sealing connection are connected to the blast gate, and frame (21) other end and filter fixed subassembly (3) sealing connection are connected to the blast gate, and the array installs rotatable aerofoil subassembly (22) of multiunit in frame (21) is connected to the blast gate, and multiunit aerofoil subassembly (22) are articulated through articulated connecting rod (23), rotate handle (24) and set up in the frame (21) outside is connected to the blast gate, rotate handle (24) control end and wherein a set of aerofoil subassembly (22) are connected.

3. The fresh air supplementing device of the hot blast stove according to claim 2, wherein the air plate assembly (22) comprises air plates (221) and a rotating shaft (222), the centers of the air plates (221) are sleeved outside the rotating shaft (222), two ends of the rotating shaft (222) are fixed on the inner side wall of the air valve connecting outer frame (21) through bearings, and one end of one group of the rotating shaft (222) protrudes out of the air valve connecting outer frame (21) to be connected with the rotating handle (24).

4. A hot blast stove fresh air supplementary device according to claim 2, wherein the filter fixing assembly (3) comprises: frame (31), filter (32) and filter pressure frame subassembly (33) are connected to the filter, frame (31) one end and the outer frame (21) sealing connection are connected to the blast gate are connected to the filter, and the filter is connected the frame (31) other end and is provided with filter (32), and filter pressure frame subassembly (33) set up in filter (32) outside.

5. Hot blast stove fresh air supplement device according to claim 4, wherein the filter press frame assembly (33) comprises: the filter connecting device comprises a pressing frame plate (331) and a locking assembly (332), wherein one end of the pressing frame plate (331) is movably arranged in the middle of the side edge of the other end of the filter connecting outer frame (31), and the other end of the pressing frame plate (331) is detachably fixed in the middle of the side edge of the opposite side of the filter connecting outer frame (31) through the locking assembly (332).

6. The hot blast stove fresh air supply device according to claim 1, wherein the seal is sealed by a ceramic fiber tape.

7. A hot blast stove fresh air supplementary device according to claim 3, characterized in that adjacent flaps (221) abut when turned to the closed position.