CN216378044U

CN216378044U - Coke oven flue gas circulation branch pipe weight valve

Info

Publication number: CN216378044U
Application number: CN202122715048.9U
Authority: CN
Inventors: 李志�
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-26
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the technical field of sliding weight valves and discloses a sliding weight valve of a coke oven flue gas circulation branch pipe. The first connecting plate is fixedly installed at the top end of the branch pipe, a first smoke pipe is fixedly installed at the top of the first connecting plate, a second connecting plate is fixedly installed at the top of the first smoke pipe, a second smoke pipe is fixedly installed at the top of the second connecting plate, and smoke exhaust ports are formed in the front face and the back face of the second smoke pipe. The coke oven flue gas circulation branch pipe lump valve is fixedly connected with the connecting plate at the top of the branch pipe through the first connecting plate, and the second connecting plate is fixedly connected with the outer wall of the coke oven body, so that the second smoke pipe is inserted into the coke oven body, and the branch pipe is communicated with the coke oven body through the first smoke pipe and the second smoke pipe, thereby achieving the effect of fixedly installing the lump valve.

Description

Coke oven flue gas circulation branch pipe weight valve

Technical Field

The utility model relates to the technical field of sliding weight valves, in particular to a sliding weight valve of a coke oven flue gas circulation branch pipe.

Background

At present, in order to thoroughly treat atmospheric pollution, the state requires a flue gas emission enterprise in the coking industry, and tail gas treatment such as desulfurization, denitration, dust removal and the like must be carried out to reach the standard and then be discharged, wherein the reduction of NOx is an important part. The coking enterprises can greatly reduce the NOx emission from the source through the cyclic transformation of the coke oven waste gas, and the method is the best method for reducing the NOx emission of the coking enterprises with the lowest treatment cost.

In the current coke oven exhaust gas circulation installation process, an electric flue gas switch valve or an adjusting valve is generally installed on a flue gas circulation pipeline, and because the temperature of circulating flue gas is higher (about 300 ℃), the electric flue gas switch valve or the adjusting valve which is generally used at present is power-consuming and often breaks down, the normal operation of a coke oven exhaust gas circulation system is seriously influenced, and therefore a coke oven flue gas circulation branch pipe lead valve needs to be changed to be used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coke oven flue gas circulation branch pipe weight valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a coke oven flue gas circulation branch pipe weight valve comprises a main smoke pipe and a coke oven body, wherein a branch pipe is fixedly installed at the top of the main smoke pipe, a connecting and installing mechanism is fixedly installed at one end, far away from the main smoke pipe, of the branch pipe, and an electromagnetic control mechanism is fixedly installed inside the coke oven body.

The connecting and installing mechanism comprises a first connecting plate, the first connecting plate is fixedly installed at the top end of the branch pipe, a first smoke pipe is fixedly installed at the top of the first connecting plate, a second connecting plate is fixedly installed at the top of the first smoke pipe, a second smoke pipe is fixedly installed at the top of the second connecting plate, a top plate is fixedly installed at the top of the second smoke pipe, a first through hole is formed in the top of the top plate, smoke exhaust ports are formed in the front face and the back face of the second smoke pipe, and a sliding smoke exhaust mechanism is installed inside the second smoke pipe in a sliding mode.

Preferably, the top of the branch pipe is fixedly provided with a connecting plate which is matched with the first connecting plate so as to be fixedly installed through a bolt and a nut, the second connecting plate is fixedly installed with the outer wall of the coke oven body through a bolt and a nut, the second smoke pipe is inserted into the coke oven body, and the first smoke pipe and the second smoke pipe are fixedly installed between the branch pipe and the coke oven body through the matching of the first connecting plate and the second connecting plate.

Preferably, the sliding smoke exhaust mechanism comprises a round weight, the round weight is slidably mounted inside the second smoke tube, a connecting hook is fixedly mounted at the top of the round weight, a pulling rope is tied on the connecting hook, the round weight is pulled by the pulling rope to move upwards, and therefore the smoke exhaust port is opened to exhaust smoke.

Preferably, a through hole is formed in the middle of the round weight, a limiting shaft is fixedly mounted in the through hole of the round weight, the bottom of the limiting shaft is fixedly mounted in the middle of the second connecting plate and is fixed through a nut, and the round weight slides on the limiting shaft through the cooperation of the through hole and the limiting shaft.

Preferably, the smoke outlet is oval, a sealing ring is fixedly mounted on the outer wall of the round weight, and the outer side of the sealing ring is fixedly mounted in a gap between the round weight and the second smoke pipe, so that the sealing performance between the round weight and the second smoke pipe is guaranteed.

Preferably, electromagnetic control mechanism includes fixed frame, fixed frame fixed mounting is in the inside of coke oven body, the inside top fixed mounting of fixed frame has the electro-magnet, the bottom fixed mounting of electro-magnet has fixed spring, fixed spring keeps away from the one end slidable mounting of electro-magnet and adsorbs the piece, gets the electricity through the electro-magnet and adsorbs it to adsorb the piece, makes to adsorb the piece and slide in fixed frame.

Preferably, the adsorption block is a metal block with magnetism, one end of the pulling rope, which is far away from the connecting hook, is fixedly installed at the bottom of the adsorption block, and the adsorption block slides in the fixing frame, so that the adsorption block drives the round weight to slide through the pulling rope.

Compared with the prior art, the utility model provides a coke oven flue gas circulation branch pipe weight valve, which has the following beneficial effects:

1. the coke oven flue gas circulation branch pipe lump valve is fixedly connected with the connecting plate at the top of the branch pipe through the first connecting plate, and the second connecting plate is fixedly connected with the outer wall of the coke oven body, so that the second smoke pipe is inserted into the coke oven body, and the branch pipe is communicated with the coke oven body through the first smoke pipe and the second smoke pipe, thereby achieving the effect of fixedly installing the lump valve.

2. This coke oven flue gas circulation branch pipe stone roller valve, through the electro-magnet electricity that is got, adsorb the adsorption block, make the adsorption block upwards slide in fixed frame, the adsorption block drives the round stone roller upwards slide in spacing axle through pulling the rope, make the round stone roller remove to the top of exhaust port, discharge the flue gas that the branch pipe was derived from main tobacco pipe into the coke oven body through second tobacco pipe and first tobacco pipe, through three group stone roller valves work in turn, practice thrift the electric energy, when a set of stone roller valve breaks down, all the other two sets of stone roller valves still can work in turn, thereby reached and practiced thrift the electric energy, the effect of the normal operating of whole coke oven exhaust gas circulation system is difficult for influencing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor:

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

FIG. 2 is a schematic cross-sectional view of the front structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the front structure of the connecting and mounting mechanism of the present invention;

FIG. 4 is a front view of the connecting and mounting mechanism of the present invention.

In the figure: 1. a main smoke pipe; 2. a branch pipe; 3. a connecting and mounting mechanism; 31. a first connecting plate; 32. a first smoke tube; 33. a second connecting plate; 34. a second smoke tube; 35. a smoke outlet; 36. a top plate; 37. a first through hole; 4. a sliding smoke evacuation mechanism; 41. a round block; 42. a connecting hook; 43. pulling the rope; 44. a limiting shaft; 5. an electromagnetic control mechanism; 51. a fixing frame; 52. an electromagnet; 53. fixing the spring; 54. an adsorption block; 6. a coke oven body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a coke oven flue gas circulation branch pipe weight valve comprises a main smoke pipe 1 and a coke oven body 6, wherein a branch pipe 2 is fixedly installed at the top of the main smoke pipe 1, a connecting and installing mechanism 3 is fixedly installed at one end, far away from the main smoke pipe 1, of the branch pipe 2, and an electromagnetic control mechanism 5 is fixedly installed inside the coke oven body 6.

The connecting and mounting mechanism 3 comprises a first connecting plate 31, the first connecting plate 31 is fixedly mounted at the top end of the branch pipe 2, a first smoke pipe 32 is fixedly mounted at the top of the first connecting plate 31, a second connecting plate 33 is fixedly mounted at the top end of the first smoke pipe 32, a second smoke pipe 34 is fixedly mounted at the top end of the second connecting plate 33, a connecting plate fixedly mounted at the top end of the branch pipe 2 is matched with the first connecting plate 31 so as to be fixedly mounted through bolts and nuts, the second connecting plate 33 is fixedly mounted with the outer wall of the coke oven body 6 through bolts and nuts, the second smoke pipe 34 is inserted into the coke oven body 6, the first smoke pipe 32 and the second smoke pipe 34 are fixedly mounted between the branch pipe 2 and the coke oven body 6 through the matching of the first connecting plate 31 and the second connecting plate 33, a top plate 36 is fixedly mounted at the top end of the second smoke pipe 34, a first through hole 37 is formed at the top end of the top plate 36, and smoke outlets 35 are formed at the front and back ends of the second smoke pipe 34, the sliding smoke exhausting mechanism 4 is installed inside the second smoke pipe 34 in a sliding mode.

The electromagnetic control mechanism 5 comprises a fixed frame 51, the fixed frame 51 is fixedly installed inside the coke oven body 6, an electromagnet 52 is fixedly installed at the top end of the inside of the fixed frame 51, a fixed spring 53 is fixedly installed at the bottom of the electromagnet 52, an adsorption block 54 is slidably installed at one end, far away from the electromagnet 52, of the fixed spring 53, the electromagnet 52 is electrified to adsorb the adsorption block 54, the adsorption block 54 slides in the fixed frame 51, the adsorption block 54 is a metal block with magnetism, one end, far away from the connecting hook 42, of the pulling rope 43 is fixedly installed at the bottom of the adsorption block 54, the adsorption block 54 slides in the fixed frame 51, and the adsorption block 54 drives the round weight 41 to slide through the pulling rope 43.

The sliding smoke discharging mechanism 4 comprises a round weight 41, the round weight 41 is slidably mounted inside the second smoke tube 34, the smoke discharging port 35 is oval, a sealing ring is fixedly mounted on the outer wall of the round weight 41, the outer side of the sealing ring is fixedly mounted in a gap between the round weight 41 and the second smoke tube 34 to ensure sealing between the round weight 41 and the second smoke tube 34, a connecting hook 42 is fixedly mounted at the top of the round weight 41, a pulling rope 43 is tied on the connecting hook 42, the round weight 41 is pulled by the pulling rope 43 to move up the round weight 41, so that the smoke discharging port 35 is opened to discharge smoke, a through hole is formed in the middle of the round weight 41, a limiting shaft 44 is fixedly mounted in the through hole of the round weight 41, the bottom of the limiting shaft 44 is fixedly mounted in the middle of the second connecting plate 33 and fixed by a nut, and the round weight 41 is matched with the limiting shaft 44 through the through hole to enable the round weight 41 to slide on the limiting shaft 44.

In the actual operation process, when the device is used, the first connecting plate 31 and the connecting plate at the top of the branch pipe 2 are fixedly installed through the bolts and the nuts, then the second connecting plate 33 and the outer wall of the coke oven body 6 are fixedly installed through the bolts and the nuts, when smoke needs to be exhausted, the electromagnet 52 is electrified, the adsorption block 54 slides upwards in the fixed frame 51, the adsorption block 54 pulls the pull rope 43, the adsorption block 54 compresses the fixed spring 53, the round weight 41 is pulled through the pull rope 43, the round weight 41 slides in the second smoke pipe 34 through the limiting shaft 44 until the round weight 41 slides to the top position of the smoke exhaust port 35, then the smoke in the main smoke pipe 1 is exhausted into the coke oven body 6 through the branch pipe 2, the first smoke pipe 32 and the second smoke pipe 34, when the device needs to be closed, the electromagnet 52 is electrified, the adsorption block 54 is reset under the action of the fixed spring 53, and the round weight 41 slides down under the action of gravity, the smoke outlet 35 is closed, and three groups of weight valves are used for alternately working, so that the flue waste gas is ensured to be uniformly mixed with the ascending air all the time and then enters the coke oven to participate in the combustion of coke oven gas.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. The coke oven flue gas circulation branch pipe weight valve comprises a main flue pipe (1) and a coke oven body (6), and is characterized in that: a branch pipe (2) is fixedly installed at the top of the main smoke pipe (1), a connecting and installing mechanism (3) is fixedly installed at one end, far away from the main smoke pipe (1), of the branch pipe (2), and an electromagnetic control mechanism (5) is fixedly installed inside the coke oven body (6);

connection installation mechanism (3) include first connecting plate (31), first connecting plate (31) fixed mounting is on the top of branch pipe (2), the top fixed mounting of first connecting plate (31) has first tobacco pipe (32), the top fixed mounting of first tobacco pipe (32) has second connecting plate (33), the top fixed mounting of second connecting plate (33) has second tobacco pipe (34), the top fixed mounting of second tobacco pipe (34) has roof (36), first through-hole (37) have been seted up at the top of roof (36), smoke vent (35) have all been seted up with the back to the front of second tobacco pipe (34), the inside slidable mounting of second tobacco pipe (34) has the slip mechanism of discharging fume (4).

2. The coke oven flue gas circulation branch pipe weight valve as claimed in claim 1, which is characterized in that: the top of the branch pipe (2) is fixedly provided with a connecting plate which is matched with the first connecting plate (31) so as to be fixedly arranged through bolts and nuts, the second connecting plate (33) is fixedly arranged with the outer wall of the coke oven body (6) through bolts and nuts, and the second smoke pipe (34) is inserted into the coke oven body (6).

3. The coke oven flue gas circulation branch pipe weight valve as claimed in claim 1, which is characterized in that: the sliding smoke exhaust mechanism (4) comprises a round weight (41), the round weight (41) is installed inside the second smoke pipe (34) in a sliding mode, a connecting hook (42) is fixedly installed at the top of the round weight (41), and a pulling rope (43) is tied on the connecting hook (42).

4. The coke oven flue gas circulation branch pipe weight valve as claimed in claim 3, which is characterized in that: the middle position of the round weight (41) is provided with a through hole, the through hole of the round weight (41) is fixedly provided with a limiting shaft (44), and the bottom of the limiting shaft (44) is fixedly arranged at the middle position of the second connecting plate (33) and is fixed through a nut.

5. The coke oven flue gas circulation branch pipe weight valve as claimed in claim 3, which is characterized in that: the smoke outlet (35) is oval, a sealing ring is fixedly mounted on the outer wall of the round weight (41), and the outer side of the sealing ring is fixedly mounted in a gap between the round weight (41) and the second smoke pipe (34).

6. The coke oven flue gas circulation branch pipe weight valve as claimed in claim 3, which is characterized in that: electromagnetic control mechanism (5) are including fixed frame (51), fixed frame (51) fixed mounting is in the inside of coke oven body (6), the inside top fixed mounting of fixed frame (51) has electro-magnet (52), the bottom fixed mounting of electro-magnet (52) has fixed spring (53), the one end slidable mounting that electro-magnet (52) were kept away from in fixed spring (53) has adsorption block (54).

7. The coke oven flue gas circulation branch pipe weight valve as claimed in claim 6, which is characterized in that: the adsorption block (54) is a metal block with magnetism, and one end of the pulling rope (43) far away from the connecting hook (42) is fixedly arranged at the bottom of the adsorption block (54).