CN210528858U

CN210528858U - Tool for rapidly sealing socket of ascending pipe of coke oven

Info

Publication number: CN210528858U
Application number: CN201920834871.1U
Authority: CN
Inventors: 惠双博; 孙立新
Original assignee: Gansu Jiu Steel Group Hongxing Iron and Steel Co Ltd
Current assignee: Gansu Jiu Steel Group Hongxing Iron and Steel Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-05-15
Anticipated expiration: 2029-06-04

Abstract

The utility model provides an instrument of quick seal coke oven tedge socket, including left clamp plate, right clamp plate, fastening bolt, fastening nut, heat-resisting fibrofelt, heat-resisting asbestos rope, the connecting plate, the pouring material body, a left side, the both sides welded connection board of right clamp plate, trompil on the connecting plate, the lower extreme area fixed recess of left clamp plate and right clamp plate, it has heat-resisting asbestos rope to bond in the recess, heat-resisting fibrofelt twines in tedge socket periphery round, fastening bolt passes connecting plate trompil fastening nut and fastens, left clamp plate and right clamp plate cover are peripheral at tedge socket, heat-resisting fibrofelt and left clamp plate, the clearance between right clamp plate is the pouring material body. The utility model discloses simple manufacture, it is convenient to change, can accomplish the sealed of bell and spigot safely fast, prevents that the interior raw coke oven gas of carbomorphism from emerging from the bell and spigot. The maintenance is free in the next year after replacement, and the personnel maintenance intensity and the working environment are improved.

Description

Tool for rapidly sealing socket of ascending pipe of coke oven

Technical Field

The utility model relates to a coke oven tool, in particular to a tool for rapidly sealing a socket of a coke oven ascending pipe.

Background

The coke oven is a large-scale kiln for heating raw materials by isolating air, after the raw materials are loaded into the coke oven, a large amount of dense yellow coke oven gas containing hydrogen, methane, carbon monoxide and tar can be generated, the coke oven gas is guided into a gas collecting pipe through a riser bearing socket at the top of the oven, and then the coke oven gas is sent to a gas purification unit for chemical product recovery and gas purification. The coke oven is enabled to be expanded continuously at high temperature due to the fact that the operating condition of the coke oven is about 1200-1300 ℃, the ascending pipe is enabled to be increased continuously at the top of the coke oven along with expansion, the displacement between the ascending pipe and the gas collecting pipe is increased continuously, in the development of the coking industry for decades, the ascending pipe and the gas collecting pipe are in socket soft connection, namely the ascending pipe is inserted into the gas collecting pipe, soft casting materials are used for forming a sealing surface outside the ascending pipe, however, the ascending pipe is expanded in the high direction after the coke oven operates for a certain period, the ascending pipe cannot be inserted into the gas collecting pipe or the inserting height is small, the casting materials cannot be used for forming the sealing surface outside the ascending pipe and the socket part can leak obvious yellow smoke, the yellow smoke is not purified, contains a large amount of toxic and harmful components, and not only pollutes the environment, but also more.

The green water Qingshan is advocated in the present country and is the gold mountain silver mountain, can not be in order to sacrifice the environmental benefit, and the enterprise will use green, environmental protection, science as the development theory to along with the promulgation of atmosphere, water pollution prevention and control law, high pollution enterprise once by the environmental protection supervise group discovery, will directly restrict production, even shut down, the condition that this kind of coke oven tedge socket unorganized emission has not satisfied the requirement of environmental protection, makes the enterprise face severe environmental protection pressure.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a tool for rapidly sealing a socket of a coke oven ascending pipe.

The utility model adopts the following scheme: a tool for rapidly sealing a socket of a coke oven ascending pipe comprises a left pressing plate, a right pressing plate, a fastening bolt, a fastening nut, a heat-resistant fiber felt, a heat-resistant asbestos rope, a connecting plate and a pouring material body, wherein the left pressing plate and the right pressing plate are provided with radians, the two sides of the left pressing plate and the right pressing plate are respectively welded with one connecting plate, holes are formed in the connecting plates, and the connecting plate trompil of left clamp plate and right clamp plate aligns each other, the lower extreme area fixed recess of left clamp plate and right clamp plate, it has heat-resisting asbestos rope to bond in the recess, heat-resisting fibrofelt twines in tedge socket periphery round, fastening bolt passes the trompil that the connecting plate of left clamp plate and right clamp plate corresponds each other and fastens through fastening nut again, left clamp plate and right clamp plate make up the sleeve pipe, the sleeve pipe overlaps in tedge bell and spigot periphery, the clearance between heat-resisting fibrofelt and left clamp plate, right clamp plate is the pouring material body, the last border height of left clamp plate and right clamp plate will exceed the tedge socket position more than 100 mm.

The connecting plates are angle steels of ∠ 45 x 3mm, the upper end and the lower end of each connecting plate are respectively provided with 1 round hole with the diameter phi of 15mm, and the connecting plates can be connected together by fastening bolts and fastening nuts.

Left side clamp plate and right clamp plate are semi-circular, and the radius is 10mm bigger than the external diameter of ascending pipe socket, and the semicircular recess of lower extreme welding of left side clamp plate and right clamp plate, notch inwards, and the heat-resisting asbestos rope that bonds has certain thickness and possesses the elasticity degree in the recess, makes left side clamp plate and right clamp plate bottom can closely laminate with ascending pipe socket and form the clearance that holds the pouring material again.

The left pressing plate and the right pressing plate are made of Q235 steel plates with the thickness of 3 mm.

The diameter of the heat-resistant asbestos cord is phi 40 mm. The heat-resistant fiber felt is in a rectangular shape with the length of 1450mm and the width of 150mm, and the thickness of the heat-resistant fiber felt is 10 mm.

The utility model has the effects that: by adopting the tool, the tool can be conveniently and quickly installed and can be repeatedly used. The heat-resistant fiber felt is wound inside the pouring material, so that the heat resistance of the pouring material is improved, the pouring material is not easy to soften and melt at high temperature, the normal production of the coke oven is not influenced in the replacement process, the effective height of the sealing layer is 100mm, the sealing effect of the bell and spigot is improved, the environmental protection pressure of yellow smoke escaping from the bell and spigot is eliminated, the working environment of a post is improved, the maintenance intensity of workers is reduced, and the working efficiency is improved.

Drawings

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

FIG. 2 is a structural view of the left and right pressing plates and the connecting plate;

FIG. 3 is a view showing the combination of the left and right pressing plates;

in the figure: 1-left pressing plate, 2-right pressing plate, 3-fastening bolt, 4-fastening nut, 5-heat-resistant fiber felt, 6-heat-resistant asbestos rope, 7-connecting plate, 8-pouring material, 9-gas collecting pipe, 10-ascending pipe and 11-groove.

Detailed Description

As shown in figure 1, a tool for rapidly sealing a coke oven ascension pipe socket comprises a left pressing plate 1, a right pressing plate 2, fastening bolts 3, fastening nuts 4, heat-resistant fiber mats 5, heat-resistant asbestos ropes 6, connecting plates 7 and a pouring material body 8, wherein the left pressing plate 1 and the right pressing plate 2 are provided with radians, the two sides of the left pressing plate 1 and the right pressing plate 2 are respectively welded with one connecting plate 7, holes are formed in the connecting plates 7, the holes of the connecting plates 7 of the left pressing plate 1 and the holes of the connecting plates 7 of the right pressing plate 2 are aligned with each other, the lower ends of the left pressing plate 1 and the right pressing plate 2 are provided with fixing grooves, the heat-resistant asbestos ropes 6 are bonded in the grooves, the heat-resistant fiber mats 5 are wound on the periphery of the ascension pipe socket, the fastening bolts 3 penetrate through the mutually corresponding holes of the connecting plates 7 of the left pressing plate 1 and the right pressing plate 2 and then are fastened through, the gap between the heat-resistant fiber felt 5 and the left pressing plate 1 and the right pressing plate 2 is a casting material body 8, and the height of the upper edges of the left pressing plate 1 and the right pressing plate 2 is more than 100mm higher than the socket part of the ascending pipe.

The connecting plates 7 are angle steels of ∠ 45 x 3mm, the upper end and the lower end of each connecting plate are respectively provided with 1 round hole with the diameter phi of 15mm, and the connecting plates 7 can be connected together by fastening bolts 3 and fastening nuts 4.

The left pressing plate 1 and the right pressing plate 2 are made of Q235 steel plates with the thickness of 3 mm. Left side clamp plate 1 and right clamp plate 2 are semi-circular, and the radius is 10mm bigger than the external diameter of rising pipe socket, and the semicircular recess 11 of the lower extreme welding of left side clamp plate 1 and right clamp plate 2, the notch inwards, and heat-resisting asbestos cord 6 that bonds has certain thickness and possesses the elasticity degree in the recess, makes left side clamp plate 1 and right clamp plate 2 bottom can closely laminate with rising pipe socket and form the clearance that holds the pouring material again. The heights of the left pressing plate 1 and the right pressing plate 2 are determined according to the height of the bell and spigot required to be effectively sealed.

The diameter of the heat-resistant asbestos rope 6 is phi 40mm, and a high-temperature-resistant colloid (such as sodium silicate) is adhered in semicircular grooves at the lower ends of the left pressing plate 1 and the right pressing plate 2.

The heat-resistant fiber felt 5 is in a rectangular shape with the length of 1450mm and the width of 150mm, the thickness of the heat-resistant fiber felt is 10mm, and the heat-resistant fiber felt is wound outside a bell and spigot pipeline with the diameter of about phi 480mm to form a heat-insulating layer, so that the phenomenon that an internal casting material is softened and melted at high temperature and loses the sealing effect is avoided.

The using method comprises the following steps: the connecting plate trompil of left side clamp plate and right clamp plate will align from top to bottom, paste heat-resisting asbestos rope in the semicircular groove of left side clamp plate and right clamp plate lower extreme, twine the heat-resisting fibrofelt of round on the bell and spigot pipeline, then surround the rising pipe socket from rising pipe socket both sides with left side clamp plate and right clamp plate, pass the connecting plate with fastening bolt and fastening nut, compress tightly left side clamp plate and right clamp plate on the bell and spigot pipeline outer wall, the pouring material that the reuse was allocated is followed the bell and spigot round from upper portion and is grouted, wait the pouring material to exceed the sealed face of rising pipe socket 100mm after, stop the pouring, cool off the pouring material, form the sealing layer, reach sealed effect.

The utility model discloses simple manufacture, it is convenient to change the step, can accomplish the sealed of bell and spigot safely fast, prevents that the interior raw coke oven gas of carbomorphism from the bell and spigot bubbling, has reduced the problem that harmful flue gas unorganized dissipates in the coke oven production process, and especially the effect can keep for a long time, changes the back and exempts from the maintenance in one year, has greatly improved post personnel operational environment, reduces the maintenance intensity to the bell and spigot.

Claims

1. A tool for rapidly sealing a bearing socket of a coke oven ascension pipe is characterized by comprising a left pressing plate (1), a right pressing plate (2), fastening bolts (3), fastening nuts (4), a heat-resistant fiber felt (5), heat-resistant asbestos ropes (6), a connecting plate (7) and a pouring material body (8), wherein the left pressing plate (1) and the right pressing plate (2) are provided with radians, the two sides of the left pressing plate (1) and the right pressing plate (2) are respectively welded with one connecting plate (7), the connecting plate (7) is provided with holes, the holes of the connecting plate (7) of the left pressing plate (1) and the holes of the connecting plate (7) of the right pressing plate (2) are aligned with each other, the lower ends of the left pressing plate (1) and the right pressing plate (2) are provided with fixed grooves, the heat-resistant asbestos ropes (6) are bonded in the grooves, the heat-resistant fiber felt (5) is wound on the periphery of the ascending pipe bearing socket for one circle, the fastening bolts (3) penetrate through the holes, the left pressing plate (1) and the right pressing plate (2) are combined to form a sleeve, the sleeve is sleeved on the periphery of a bell and spigot of the ascending pipe, gaps among the heat-resistant fiber felt (5), the left pressing plate (1) and the right pressing plate (2) are casting material bodies (8), and the heights of the upper edges of the left pressing plate (1) and the right pressing plate (2) are higher than the socket part of the ascending pipe by more than 100 mm.

2. The tool for rapidly sealing the bell socket of the ascending pipe of the coke oven according to claim 1, is characterized in that the connecting plate (7) is an angle steel of ∠ 45 x 3mm, the upper end and the lower end of the connecting plate are respectively provided with a round hole with the diameter phi of 15mm, and the connecting plate (7) can be connected together by a fastening bolt (3) and a fastening nut (4).

3. The tool for rapidly sealing the socket of the ascending pipe of the coke oven as claimed in claim 1, wherein: left side clamp plate (1) and right clamp plate (2) are semi-circular, and the radius is 10mm bigger than the external diameter of rising pipe socket, and the semicircular recess of lower extreme welding of left side clamp plate (1) and right clamp plate (2), the notch inwards, and heat-resisting asbestos cord (6) that bonds in the recess have certain thickness and possess the elasticity, make left side clamp plate (1) and right clamp plate (2) bottom can closely laminate with rising pipe socket and form the clearance that holds the pouring material again.

4. The tool for rapidly sealing the socket of the ascending pipe of the coke oven as set forth in claim 3, wherein: the left pressing plate (1) and the right pressing plate (2) are made of Q235 steel plates with the thickness of 3 mm.

5. The tool for rapidly sealing the socket of the ascending pipe of the coke oven as set forth in claim 3, wherein: the diameter of the heat-resistant asbestos rope (6) is phi 40 mm.

6. The tool for rapidly sealing the socket of the ascending pipe of the coke oven as claimed in claim 1, wherein: the heat-resistant fiber felt (5) is in a rectangular shape with the length of 1450mm and the width of 150mm, and the thickness of the heat-resistant fiber felt is 10 mm.