CN115505407A - Method for enhancing sealing effect of coke oven ascending pipe socket - Google Patents
Method for enhancing sealing effect of coke oven ascending pipe socket Download PDFInfo
- Publication number
- CN115505407A CN115505407A CN202211350813.4A CN202211350813A CN115505407A CN 115505407 A CN115505407 A CN 115505407A CN 202211350813 A CN202211350813 A CN 202211350813A CN 115505407 A CN115505407 A CN 115505407A
- Authority
- CN
- China
- Prior art keywords
- layer
- asbestos packing
- sealing
- socket
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000000694 effects Effects 0.000 title claims abstract description 20
- 230000001174 ascending effect Effects 0.000 title claims abstract description 17
- 239000000571 coke Substances 0.000 title claims abstract description 16
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 15
- 238000012856 packing Methods 0.000 claims abstract description 41
- 239000010425 asbestos Substances 0.000 claims abstract description 37
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 37
- 239000003566 sealing material Substances 0.000 claims abstract description 22
- 239000010426 asphalt Substances 0.000 claims abstract description 18
- 239000003208 petroleum Substances 0.000 claims abstract description 18
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 17
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 17
- 239000004576 sand Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000000630 rising effect Effects 0.000 claims abstract 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005507 spraying Methods 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
- C10B27/06—Conduit details, e.g. valves
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
- F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
- F16J15/126—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement consisting of additions, e.g. metallic fibres, metallic powders, randomly dispersed in the packing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coke Industry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a method for enhancing the sealing effect of a socket of a coke oven ascending pipe, which comprises the following steps: step one, setting; step two, standby; step three, paving; step four, installation; in the first step, ammonia water spraying is arranged inside the bridge pipe, a valve is arranged on a transportation ammonia water pipeline connected with the ammonia water spraying, and then the bridge pipe is fixedly connected to the riser pipe; preparing the socket in advance in the second step, and preparing a certain amount of asbestos packing, river sand, petroleum asphalt and sealing mixture for later use; in the third step, sequentially laying a first layer, a second layer, a third layer, a fourth layer and a fifth sealing material on the asbestos packing for standby in the second step; the invention discloses a five-layer type filling part new mode aiming at sealing of a socket part of a rising pipe, wherein the socket part of the rising pipe is influenced by spraying of an ammonia water nozzle and is influenced by corrosion of tar in raw gas to generate cracking influence, and the sealing effect is effectively improved.
Description
Technical Field
The invention relates to the technical field of sealing, in particular to a method for enhancing the sealing effect of a socket of a coke oven ascending pipe.
Background
Because the coke oven is longer in service life, the contact part of the socket and the spigot of the ascending pipe can gradually break or be directly flushed out under high-pressure flushing, tar separated out by cooling of raw gas is also carried out along with ammonia water, and the phenomena of serious tar swelling and ammonia water overflow at the position of the socket and spigot in the coal charging process are caused; therefore, the packing layout of the socket of the ascending pipe needs to be modified, but the packing layout before modification is a three-layer packing mode: the first layer is: asbestos packing with the diameter of 30mm is uniformly wound on the inner layer of the socket, and the asbestos packing with the diameter of 30mm is still wound on the second layer; the last layer is made of fine iron powder which is transversely paved on the surface of the spigot, and the sealing effect is limited, so that a method for enhancing the sealing effect of the spigot of the ascending pipe of the coke oven is necessary.
Disclosure of Invention
The invention aims to provide a method for enhancing the sealing effect of a socket of a coke oven ascending pipe so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for enhancing the sealing effect of a bell socket of a coke oven ascending pipe comprises the following steps: step one, setting; step two, standby; step three, paving; step four, mounting;
in the first step, arranging ammonia water spray in the bridge pipe, arranging a valve on a transportation ammonia water pipeline connected with the ammonia water spray, and then fixedly connecting the bridge pipe to the riser;
in the second step, preparing the joint in advance, and preparing a certain amount of asbestos packing, river sand, petroleum asphalt and sealing mixture for later use;
in the third step, sequentially laying a first layer, a second layer, a third layer, a fourth layer and a fifth sealing material on the asbestos packing for standby in the second step;
in the fourth step, the receiving port paved with the sealing material in the third step is installed on the bridge pipe.
Preferably, in the first step, a riser water seal tank is arranged on the riser.
Preferably, in the second step, the diameter of the prepared asbestos packing is 30mm, and the asbestos packing is resistant to high temperature of 1000-2000 ℃.
Preferably, in the second step, the sealing mixture is prepared by mixing 20% of fine iron powder, 40% of cast iron filings and 40% of petroleum asphalt.
Preferably, in the third step, the first layer of sealing material is asbestos packing, the second layer of sealing material is river sand, the third layer of sealing material is petroleum asphalt, the fourth layer of sealing material is asbestos packing, and the fifth layer of sealing material is sealing mixture.
Preferably, in the third step, the step of laying is that, in the first layer of the socket, the spare asbestos packing is uniformly laid and compacted, then the spare river sand is laid on the asbestos packing of the first layer, the laying thickness of the river sand is 10-15mm, the spare petroleum asphalt is uniformly laid on the river sand as the binder of the third layer, then the asbestos packing is continuously used as the fourth layer and laid on the petroleum asphalt, the asbestos packing is uniformly compacted, and finally the spare sealing mixture is uniformly laid on the asbestos packing of the fourth layer.
Compared with the prior art, the invention has the beneficial effects that: the method for enhancing the sealing effect of the coke oven ascending pipe socket aims at the sealing effect of the ascending pipe socket caused by the influence of spraying of an ammonia water nozzle and the cracking influence caused by the corrosion of tar in crude gas, and the five-layer packing is invented in a new manner, so that the sealing effect is effectively improved, and the existing requirement on the sealing effect is met; the phenomenon that the energy medium overflows at the socket is effectively solved, the environmental hidden danger and the environmental relative penalty are eliminated, and meanwhile, the relative energy medium is greatly saved.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a schematic view of the installation of the present invention at a seal location;
in the figure: 1. a socket; 2. spraying ammonia water; 3. a riser water seal tank; 4. a bridge pipe; 5. a riser.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention is shown: a method for enhancing the sealing effect of a coke oven ascending pipe socket comprises the following steps: step one, setting; step two, standby; step three, paving; step four, mounting;
in the first step, arranging an ammonia water spray 2 in the bridge pipe 4, arranging a valve on a transportation ammonia water pipeline connected with the ammonia water spray 2, and then fixedly connecting the bridge pipe 4 to a riser pipe 5, wherein a riser water seal tank 3 is arranged on the riser pipe 5;
in the second step, preparing the socket 1 in advance, preparing a certain amount of asbestos packing, river sand, petroleum asphalt and a sealing mixture for later use, wherein the diameter of the prepared asbestos packing is 30mm, the high temperature resistance is 1000-2000 ℃, and the sealing mixture is formed by mixing 20% of fine iron powder, 40% of cast iron chips and 40% of petroleum asphalt;
in the third step, the first layer, the second layer, the third layer, the fourth layer and the fifth sealing material are sequentially paved on the asbestos packing for standby in the second step; the first layer of sealing material is asbestos packing, the second layer of sealing material is river sand, the third layer of sealing material is petroleum asphalt, the fourth layer of sealing material is asbestos packing and the fifth layer of sealing material is sealing mixture, and the laying process is as follows, in the first layer of the receiving opening 1, the spare asbestos packing is uniformly laid and compacted, then the spare river sand is laid on the first layer of asbestos packing, the laying thickness of the river sand is 10-15mm, the spare petroleum asphalt is uniformly laid on the river sand as the binder of the third layer, then the asbestos packing is continuously used as the fourth layer and laid on the petroleum asphalt, the asbestos packing is uniformly compacted, and finally the spare sealing mixture is uniformly laid on the fourth layer of asbestos packing;
in the fourth step, the receiving port 1 paved with the sealing material in the third step is installed on the bridge pipe 4.
Based on the above, the invention has the advantages that when the invention is used, asbestos packing (phi 30mm, high temperature resistant 1000-2000 ℃) is paved on the first layer of the socket, after uniform compaction, river sand with the specific thickness of (10-15 mm) is paved on the first layer as the second layer; paving petroleum asphalt on the third layer as a binder, and continuously using asbestos packing on the fourth layer and compacting; and the fifth layer uses a mixture of 20% of fine iron powder, 40% of cast iron chips and 40% of petroleum asphalt, the thickness of the paved layer is 15-20mm, the phenomenon that the energy medium at the socket overflows is effectively solved, the environmental hidden danger and the environmental relative penalty are eliminated, and the relative energy medium is greatly saved.
It will be evident to those skilled in the art that the invention 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 invention 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.
Claims (6)
1. A method for enhancing the sealing effect of a coke oven ascending pipe socket comprises the following steps: step one, setting; step two, standby; step three, paving; step four, installation; the method is characterized in that:
in the first step, arranging an ammonia water spray (2) in the bridge pipe (4), arranging a valve on a transportation ammonia water pipeline connected with the ammonia water spray (2), and then fixedly connecting the bridge pipe (4) to an ascending pipe vertical pipe (5);
in the second step, the socket (1) is prepared in advance, and a certain amount of asbestos packing, river sand, petroleum asphalt and sealing mixture are prepared for later use;
in the third step, sequentially laying a first layer, a second layer, a third layer, a fourth layer and a fifth sealing material on the asbestos packing for standby in the second step;
wherein in the fourth step, the receiving port (1) paved with the sealing material in the third step is arranged on the bridge pipe (4).
2. The method for enhancing the socket sealing effect of the coke oven rising pipe according to claim 1, wherein the method comprises the following steps: in the first step, a riser water seal groove (3) is arranged on the riser (5).
3. The method for enhancing the socket sealing effect of the ascending pipe of the coke oven as claimed in claim 1, wherein the method comprises the following steps: in the second step, the diameter of the prepared asbestos packing is 30mm, and the temperature resistance is 1000-2000 ℃.
4. The method for enhancing the socket sealing effect of the coke oven rising pipe according to claim 1, wherein the method comprises the following steps: in the second step, the sealing mixture is prepared by mixing 20% of fine iron powder, 40% of cast iron scraps and 40% of petroleum asphalt.
5. The method for enhancing the socket sealing effect of the ascending pipe of the coke oven as claimed in claim 1, wherein the method comprises the following steps: in the third step, the sealing material of the first layer is asbestos packing, the sealing material of the second layer is river sand, the sealing material of the third layer is petroleum asphalt, the sealing material of the fourth layer is asbestos packing, and the sealing material of the fifth layer is a sealing mixture.
6. The method for enhancing the socket sealing effect of the ascending pipe of the coke oven as claimed in claim 1, wherein the method comprises the following steps: and in the third step, the laying process comprises the following steps of uniformly laying and compacting the spare asbestos packing on the first layer of the receiving port (1), then laying the spare river sand on the asbestos packing of the first layer, wherein the laying thickness of the river sand is 10-15mm, uniformly laying the spare petroleum asphalt serving as a third layer of binder on the river sand, then continuously laying the asbestos packing serving as a fourth layer on the petroleum asphalt, uniformly compacting the asbestos packing, and finally uniformly laying the spare sealing mixture on the asbestos packing of the fourth layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211350813.4A CN115505407B (en) | 2022-10-31 | 2022-10-31 | Method for enhancing sealing effect of bell and spigot of ascending pipe of coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211350813.4A CN115505407B (en) | 2022-10-31 | 2022-10-31 | Method for enhancing sealing effect of bell and spigot of ascending pipe of coke oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115505407A true CN115505407A (en) | 2022-12-23 |
| CN115505407B CN115505407B (en) | 2024-09-06 |
Family
ID=84512088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211350813.4A Active CN115505407B (en) | 2022-10-31 | 2022-10-31 | Method for enhancing sealing effect of bell and spigot of ascending pipe of coke oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115505407B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR730031A (en) * | 1930-01-11 | 1932-08-05 | Process for the extraction and improvement of the still gases produced in the manufacture of semi-coke and whole coke by means of fuels of all kinds, in particular hard coal, lignite, peat, wood and the like | |
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2022
- 2022-10-31 CN CN202211350813.4A patent/CN115505407B/en active Active
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| Publication number | Publication date |
|---|---|
| CN115505407B (en) | 2024-09-06 |
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