CN112831356A - Cooling washing device and coke oven integration - Google Patents

Cooling washing device and coke oven integration Download PDF

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Publication number
CN112831356A
CN112831356A CN202011610980.9A CN202011610980A CN112831356A CN 112831356 A CN112831356 A CN 112831356A CN 202011610980 A CN202011610980 A CN 202011610980A CN 112831356 A CN112831356 A CN 112831356A
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CN
China
Prior art keywords
mounting
gas
cavity
mounting surface
cooling
Prior art date
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Pending
Application number
CN202011610980.9A
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Chinese (zh)
Inventor
李华
赵立海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenhua Bayannur Energy Co Ltd
National Energy Group Coal Coking Co Ltd
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Shenhua Bayannur Energy Co Ltd
National Energy Group Coal Coking Co Ltd
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Application filed by Shenhua Bayannur Energy Co Ltd, National Energy Group Coal Coking Co Ltd filed Critical Shenhua Bayannur Energy Co Ltd
Priority to CN202011610980.9A priority Critical patent/CN112831356A/en
Publication of CN112831356A publication Critical patent/CN112831356A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/08Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/12Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
    • C10K1/121Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors containing NH3 only (possibly in combination with NH4 salts)
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/002Removal of contaminants
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/02Dust removal
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/04Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
    • C10K1/046Reducing the tar content

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Industrial Gases (AREA)

Abstract

The invention relates to the field of coke oven gas production, and discloses a cooling and washing device and a coke oven assembly, wherein the cooling and washing device comprises a mounting seat (1), and the mounting seat (1) is fixedly arranged at an upper port of a cavity of a gas-liquid separator (3); the spraying devices (2) are used for spraying liquid in the cavity, and the spraying devices (2) are sleeved on the side wall of the mounting seat (1); the spraying device (2) comprises a connecting port (201) used for being connected with the circulating ammonia water pipe (4) and a nozzle (202) which is arranged in the box body and inclines towards the lower part of the cavity. The invention solves the technical problems that the gas-liquid separator adopts a gravity settling mode to remove the mixture of coal dust, ammonia water, tar and the like in the coal gas, the treatment effect is poor, the coal dust, the tar and the like in the raw coke oven gas are easily pumped to the primary cooler, so that the impurities of coal tar, naphthalene, coal dust and the like are deposited on the wall of the cooling water pipe of the primary cooler, the heat transfer coefficient is influenced, and the coal gas resistance is increased, thereby reducing the heat exchange effect.

Description

Cooling washing device and coke oven integration
Technical Field
The invention relates to the field of coke oven gas production, in particular to a cooling and washing device and a coke oven integration.
Background
The existing gas-liquid separator adopts a gravity settling mode to remove mixtures such as coal powder, ammonia water, tar and the like in coal gas, has poor treatment effect, is easy to pump the coal powder, the tar and the like in raw coke oven gas to a primary cooler, and reduces the heat exchange effect of the primary cooler.
The primary coolers adopted at present are mostly coal gas cooling devices of transverse pipe type indirect primary coolers, the primary coolers mainly use circulating cooling water in transverse pipes to indirectly absorb heat to reduce the temperature of coke oven gas at 78-82 ℃, and in the flowing process of the coke oven gas among the pipes, impurities such as coal tar, naphthalene and coal dust can be deposited on the walls of the cooling water pipes, thereby influencing the heat transfer coefficient and increasing the coal gas resistance. Meanwhile, the coal tar and the coal dust adhered to the outer wall of the pipe are difficult to remove, and the labor intensity is high.
Therefore, it is very important to reduce the amount of the mixture of coal dust, ammonia water, tar and the like in the gas flowing from the gas-liquid separator into the primary cooler.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, due to the fact that a gravity settling mode is adopted by a gas-liquid separator to remove mixtures such as coal dust, ammonia water and tar in coal gas, the treatment effect is poor, the coal dust, the tar and the like in raw coke oven gas are easily pumped into a primary cooler, impurities such as coal tar, naphthalene and coal dust are deposited on the wall of a cooling water pipe of the primary cooler, the heat transfer coefficient is influenced, and the coal gas resistance is increased, so that the heat exchange effect is reduced.
In order to achieve the above object, an aspect of the present invention provides a cooling washing apparatus for cooling washing of coke oven gas;
the cooling washing device comprises a cooling washing device,
the mounting seat is fixedly arranged at an upper port of a cavity of the gas-liquid separator;
the spraying devices are used for spraying liquid into the cavity, and are sleeved on the side wall of the mounting seat;
the spraying device comprises a connecting port connected with a circulating ammonia water pipe and a nozzle which is arranged in the cavity and inclines towards the lower part of the cavity.
The cooling washing device is characterized in that a spraying device is fixedly arranged at the upper end opening of a cavity of a gas-liquid separator through a mounting seat, a connecting end opening of the spraying device is connected with a circulating ammonia water pipe, liquid is sprayed into the cavity through a nozzle which is arranged in the cavity and inclines towards the lower part of the cavity, namely ammonia water from the circulating ammonia water pipe, impurities in coal gas are precipitated towards the bottom of the cavity after encountering the ammonia water, the content of dust impurities in the coal gas reaching a primary cooler after being washed is reduced, and meanwhile, the temperature of the coal gas can be reduced through the contact of the ammonia water and the coal gas, so that the cooling effect is achieved; therefore, the technical problems that the coal tar, naphthalene, coal dust and other impurities are deposited on the wall of the cooling water pipe of the primary cooler to influence the heat transfer coefficient and increase the resistance of the coal gas so as to reduce the heat exchange effect because the gas-liquid separator adopts a gravity settling mode to remove the mixture of the coal dust, the ammonia water, the tar and the like in the coal gas, the treatment effect is poor, and the coal dust, the tar and the like in the raw coke oven gas are easily pumped to the primary cooler.
Preferably, the cooling washing device comprises 6 groups of spraying devices which are uniformly distributed on the mounting surface of the side wall of the mounting seat.
Preferably, the mounting seat is arranged at a circumference of a variable diameter section of the upper port of the cavity, and a mounting surface of a side wall of the mounting seat is a closed circular arc.
Preferably, the mounting seat comprises a positioning sleeve for fixing the spraying device, the positioning sleeve comprises a first mounting surface, a second mounting surface and a bottom plate for receiving the first mounting surface and the second mounting surface, mounting openings for mounting the spraying device are formed in the first mounting surface and the second mounting surface, and the mounting openings in the first mounting surface are aligned with the mounting openings in the second mounting surface to form mounting grooves for mounting the spraying device.
Preferably, an isolation baffle is arranged between the first mounting surface and the second mounting surface of the positioning sleeve, and the isolation baffle limits the number of mounting grooves formed by aligning mounting openings of the first mounting surface and the second mounting surface.
Preferably, the first mounting surface, the second mounting surface and the isolation baffle are axially and rotatably arranged on a bottom plate of the positioning sleeve through sliding grooves.
Preferably, the nozzle and the inner wall of the cavity of the gas-liquid separator form an included angle of 45 degrees.
In a second aspect, the invention provides a coke oven assembly;
the coke oven assembly comprises a gas-liquid separator, a circulating ammonia water pipe and any one of the cooling washing devices, wherein a mounting seat of the cooling washing device is fixedly arranged at an upper port of a cavity of the gas-liquid separator, and a connecting port of a spraying device is connected with the circulating ammonia water pipe.
Preferably, the mounting seat of the cooling washing device is arranged inside the cavity of the gas-liquid separator; or the mounting seat is arranged at the circumference of the variable diameter section of the upper port of the cavity.
Preferably, the coke oven assembly comprises an atomization sensor arranged at the upper part of the cavity of the gas-liquid separator, and the atomization sensor is connected with a control valve of the spraying device.
Drawings
FIG. 1 is a schematic structural view of a cooling washing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the nozzle of fig. 1.
Description of the reference numerals
1. A mounting seat; 101. a mounting surface; 2. a spraying device; 201. a connection port; 202. a nozzle; 203. a stop valve; 204. a nozzle fixing seat; 205. a nozzle connecting seat; 3. a gas-liquid separator; 4. and a circulating ammonia water pipe.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, the terms "upper", "lower", "inner", "outer", "middle", "axial", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "nested" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in FIG. 1, the invention provides a cooling washing device for cooling and washing coke oven gas, which comprises a mounting seat 1 and a spraying device 2, wherein the mounting seat 1 is fixedly arranged at the upper port of the cavity of a gas-liquid separator 3; a plurality of spraying devices 2 are used for spraying liquid into the cavity, and the spraying devices 2 are arranged on the side wall of the mounting seat 1; the sprinkler 2 includes a connection port 201 for connection with the circulating ammonia water pipe 4 and a nozzle 202 built in the chamber and inclined toward the lower portion of the chamber. The nozzle 202 is arranged on the mounting seat 1 at the upper port of the cavity of the gas-liquid separator 3, so that the cavity of the gas-liquid separator 3 can be conveniently sprayed with more comprehensive ammonia water from the upper end of the cavity, and the downward inclination of the nozzle 202 can be more directly used for cleaning and cooling the coal gas in the cavity.
The cooling washing device is characterized in that a spraying device is fixedly arranged at the upper end opening of a cavity of a gas-liquid separator through a mounting seat, a connecting end opening of the spraying device is connected with a circulating ammonia water pipe, liquid is sprayed into the cavity through a nozzle which is arranged in the cavity and inclines towards the lower part of the cavity, namely ammonia water from the circulating ammonia water pipe, impurities in coal gas are precipitated towards the bottom of the cavity after encountering the ammonia water, the content of dust impurities in the coal gas reaching a primary cooler after being washed is reduced, and meanwhile, the temperature of the coal gas can be reduced through the contact of the ammonia water and the coal gas, so that the cooling effect is achieved; therefore, the technical problems that the coal tar, naphthalene, coal dust and other impurities are deposited on the wall of the cooling water pipe of the primary cooler to influence the heat transfer coefficient and increase the resistance of the coal gas so as to reduce the heat exchange effect because the gas-liquid separator adopts a gravity settling mode to remove the mixture of the coal dust, the ammonia water, the tar and the like in the coal gas, the treatment effect is poor, and the coal dust, the tar and the like in the raw coke oven gas are easily pumped to the primary cooler.
In an optional embodiment of the present invention, the side wall of the mounting seat 1 for mounting the nozzle 202 is smoothly connected with the inner wall of the cavity of the gas-liquid separator 3, and the side wall of the mounting seat 202 attached to the side wall and one side of the inner wall of the cavity are disposed, so that during the spraying process of the ammonia water by the nozzle 202, a part of the ammonia water sprayed from the nozzle 202 can be attached to the side wall of the mounting seat 1 below the nozzle 202 or the inner wall of the cavity, so as to clean and cool the gas attached to the inner wall of the cavity and overflow upwards, and avoid the cleaning of the ammonia water due to the overflow of the gas attached to the inner. Thereby improving the cleaning effect of the cooling and washing device on the coal gas in the cavity of the gas-liquid separator. In a further alternative embodiment of the present invention, the mounting seat 1 is disposed at a circumferential position of a reducing section of an upper port of the cavity of the gas-liquid separator 3, or the mounting seat 1 is used for sleeving an inclined surface of the side wall of the nozzle 202, the upper end of the inclined surface being close to the axial direction of the gas-liquid separator 3, further preferably, the nozzle 202 of the cavity and the inner wall of the cavity of the gas-liquid separator 3 are disposed at an included angle of 45 degrees, so that the nozzle 202 can clean the gas rising in the cavity and simultaneously spray part of the ammonia water onto the inner wall of the cavity and/or the side surface of the mounting seat 1, thereby cleaning the gas overflowing upwards along the inner wall and the side surface of the cavity, and further achieving the effect of cleaning and cooling the gas in the.
In an alternative embodiment of the invention, the cooling washing device comprises 6 groups of spraying devices 2, preferably 6 groups of spraying devices 2 are uniformly distributed on the mounting surface 101 of the side wall of the mounting seat 1. The spraying device 2 can be connected with a circulating ammonia water pipe 4 through a connecting hose; the spraying device 2 can also be connected with the circulating ammonia water pipe 4 through a connecting valve with a plurality of branches; it should be noted that the connection mode of the circulating ammonia water pipe 4 and the plurality of groups of spraying devices 2 is not limited to the above two modes, and all the schemes that can realize the connection of the circulating ammonia water pipe 4 and the plurality of groups of spraying devices 2 belong to the same or similar technical schemes of the present invention.
In an optional embodiment of the invention, the mounting seat 1 is arranged at a circumference part of the reducing section of the upper port of the cavity, and the mounting seat 1 is arranged at a circumference part of the reducing section converging towards the central axis direction of the cavity, so that the coal gas converging along the circumference part of the reducing section can be cleaned and cooled more intensively. In order to uniformly spray ammonia water to the gas in the cavity, the mounting surface of the side wall of the mounting seat 1 is a closed circular arc, and further preferably, the closed circular arc presented by the mounting surface of the side wall of the mounting seat 1 and the cross section of the cavity of the gas-liquid separator 3 are circular arcs concentrically sleeved. The coal gas attached to the inner wall of the cavity is conveniently and uniformly sprayed, so that effective coal gas cleaning and cooling are realized.
In order to improve the adaptability of the cooling washing device, the gas-liquid separator is convenient to be suitable for different gas-liquid separators and different gas flow conditions. In an alternative embodiment of the invention, the cooling and washing device includes a positioning sleeve that allows for installation setting control of the number of nozzles installed. Specifically, the mounting seat 1 of the present invention comprises a positioning sleeve for fixing the spraying device, the positioning sleeve comprises a first mounting surface, a second mounting surface and a bottom plate for receiving the first mounting surface and the second mounting surface, the first mounting surface and the second mounting surface are both provided with mounting openings for mounting the spraying device, and when the mounting openings on the first mounting surface are aligned with the mounting openings on the second mounting surface, mounting grooves for mounting the spraying device 2 are formed. In a preferred embodiment of the invention, a plurality of mounting openings are uniformly distributed on the first mounting surface and/or the second mounting surface, wherein the number of the mounting openings on the first mounting surface close to the axial center line of the cavity is not less than that of the second mounting surface; the bottom plate is provided with closed annular grooves which are respectively used for enabling the first mounting surface and the second mounting surface to rotate around the axial direction of the positioning sleeve, and the first mounting surface and the second mounting surface control the alignment number of the mounting openings through relative movement.
In an alternative embodiment of the invention, an isolation baffle is arranged between the first mounting surface and the second mounting surface of the positioning sleeve, and the isolation baffle limits the number of mounting grooves formed by aligning the mounting openings of the first mounting surface and the second mounting surface. The first mounting surface, the second mounting surface and the isolation baffle are axially and rotatably arranged on a bottom plate of the positioning sleeve through the sliding groove.
In order to ensure the fixing of the position of the nozzle 202 on the mounting seat 1 and the stability of the connection between the connection port 201 of the spraying device 2 and the circulating ammonia water pipe 4, as shown in fig. 2, the spraying device 2 further comprises a nozzle fixing seat 204 and a nozzle connection seat 205, the nozzle 202 fixes the position of the nozzle 202 relative to the mounting seat 1 through the nozzle fixing seat 204, the nozzle fixing seat 204 may be connected to the mounting seat 1, or may be fixed by being disposed on other external structures to fix the position of the nozzle 202, so as to ensure the fixing of the position of the nozzle 202 relative to the mounting seat 1. The nozzle 202 is fixedly connected with the nozzle connecting seat 205 to ensure the connection position of the connection port 201 and the circulating ammonia water pipe 4 is fixed and the connection stability is ensured, thereby avoiding the occurrence of disconnection or looseness caused by the dislocation of the connection position. In a further alternative embodiment of the invention, the spraying device 2 comprises a shut-off valve 203 arranged at the end of the nozzle 202, the shut-off valve 203 opening and closing the spraying operation of the nozzle 202 and controlling the spraying amount. Further, a shut-off valve 203 is disposed between the nozzle 202 and the nozzle holder 204.
In the preferred embodiment of the invention, 6 groups of spraying devices are horizontally and uniformly distributed and arranged on the circumference part of the reducing section of the gas outlet at the upper part of the gas-liquid separator. The spraying device consists of a valve, a pipeline and a spiral spray head. The nozzle is connected with the nozzle fixing seat through threads and fixed between the nozzle connecting seat and the valve, and the nozzle fixing seat, the nozzle connecting seat, the valve and the pipeline are connected through flanges. The inlet pipeline of the nozzle is connected with 65-75 ℃ circulating ammonia water, the nozzle sprays out mist-shaped water drops in a spiral mode under the action of pressure, the water drops fall in the device under the action of gravity and are in reverse contact with rising coal gas, the coal gas is cooled, and coal dust is washed.
The cooling and washing device can wash out partial coal tar, naphthalene, ammonia, hydrogen sulfide, coal dust and other substances in the coal gas, reduce the wall-hanging quantity of the coal tar of the cooling pipe of the primary cooler, reduce the temperature of the coal gas by 0.5-1 ℃, prolong the cleaning period from 3 months to 12 months, save the maintenance cost and play a positive role in reducing the temperature of the coal gas and the shell side resistance of the primary cooler.
The invention also provides a coke oven integration;
the coke oven assembly comprises a gas-liquid separator 3, a circulating ammonia water pipe 4 and any one of the cooling and washing devices, wherein a mounting seat 1 of the cooling and washing device is fixedly arranged at an upper port of a cavity of the gas-liquid separator 3, and a connecting port 201 of a spraying device 2 is connected with the circulating ammonia water pipe 4.
In an alternative embodiment of the present invention, the spraying device 2 further includes a nozzle fixing base 204 and a nozzle connecting base 205, the nozzle 202 fixes the relative position with the mounting base 1 through the nozzle fixing base 204, the nozzle fixing base 204 may be connected with the mounting base 1, or may be arranged on another structure outside to fix the position of the nozzle 202, so as to ensure that the relative position of the nozzle 202 and the mounting base 1 is fixed. The nozzle 202 is fixedly connected with the nozzle connecting seat 205 to ensure the connection position of the connection port 201 and the circulating ammonia water pipe 4 is fixed and the connection stability is ensured, thereby avoiding the occurrence of disconnection or looseness caused by the dislocation of the connection position. In a further alternative embodiment of the invention, the spraying device 2 comprises a shut-off valve 203 arranged at the end of the nozzle 202, the shut-off valve 203 opening and closing the spraying operation of the nozzle 202 and controlling the spraying amount. Further, a shut-off valve 203 is disposed between the nozzle 202 and the nozzle holder 204.
In an alternative embodiment of the invention, the mounting seat 1 of the cooling and washing device is arranged inside the cavity of the gas-liquid separator, so as to reduce the external volume of the integrated whole coke oven, and effectively utilize the space of the cavity of the gas-liquid separator 3 for cleaning and cooling the gas. It should be noted that the stop valve 203 of the nozzle 202 may be disposed outside the cavity of the external gas-liquid separator 3, so as to facilitate manual adjustment; the connection port 201 of the sprinkler 2 and the circulating ammonia water pipe 4 is provided outside the cavity of the external gas-liquid separator 3 for convenient maintenance. In other embodiments of the invention, the cooling scrubber comprises a control valve for centralized control of the nozzles 202, which control valve controls the shut-off valve 203.
In another embodiment of the invention, the mounting seat 1 is arranged at the circumference part of the variable diameter section of the upper port of the cavity. The mounting seat 1 can be clamped at the upper port of the cavity or sleeved at the upper port of the cavity; in a further alternative embodiment of the invention, the coke oven assembly comprises an atomization sensor arranged in the upper part of the chamber of the gas-liquid separator, which atomization sensor is connected with the control valve of the spraying device. When the atomization sensor detects that the concentration of the coal gas in the gas-liquid separator 3 is greater than a preset value, a signal is sent to the control valve, and the control valve increases the spraying amount of the nozzle 202 in unit time, so that ammonia water spraying with reasonable density is performed on the coal gas, and the cleaning and cooling effects are ensured. When the concentration of the coal gas in the gas-liquid separator 3 detected by the atomization sensor is smaller than a preset value, a signal is sent to the control valve, and the control valve adjusts the spraying amount of the nozzle 202 in unit time to be small, so that the reasonable requirement of coal gas cleaning by spraying ammonia water is ensured, and the waste of energy is avoided. The control of the control valve for adjusting the spray quantity per unit time of the spray nozzle 202 can be realized by adjusting the stop valve 203.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cooling washing device for cooling and washing coke oven gas is characterized by comprising
The mounting seat (1) is fixedly arranged at an upper port of a cavity of the gas-liquid separator (3);
the spraying devices (2) are used for spraying liquid into the cavity, and the spraying devices (2) are sleeved on the side wall of the mounting seat (1);
the spraying device (2) comprises a connecting port (201) used for being connected with a circulating ammonia water pipe (4) and a nozzle (202) which is arranged in the cavity and is inclined towards the lower part of the cavity.
2. A cooling washing device according to claim 1, characterized in that it comprises 6 groups of spraying devices (2), said spraying devices (2) being evenly distributed on the mounting surface (101) of the side wall of the mounting seat (1).
3. The cooling washing device according to claim 1, characterized in that the mounting seat (1) is arranged at the circumference of the reducing section of the upper port of the cavity, and the mounting surface of the side wall of the mounting seat (1) is a closed circular arc.
4. The cooling washing device as claimed in claim 1, characterized in that the mounting base (1) comprises a positioning sleeve for fixing the spraying device (2), the positioning sleeve comprises a first mounting surface, a second mounting surface and a bottom plate for receiving the first mounting surface and the second mounting surface, the first mounting surface and the second mounting surface are respectively provided with a mounting opening for mounting the spraying device, and the mounting opening on the first mounting surface is aligned with the mounting opening on the second mounting surface to form a mounting groove for mounting the spraying device (2).
5. The cooling washing device as claimed in claim 4, wherein an isolation baffle is arranged between the first mounting surface and the second mounting surface of the positioning sleeve, and the isolation baffle limits the number of mounting grooves formed by aligning the mounting openings of the first mounting surface and the second mounting surface.
6. The cooling washing apparatus as claimed in claim 5, wherein the first mounting surface, the second mounting surface and the isolation baffle are axially rotatably disposed on the bottom plate of the locator sleeve through a chute.
7. A cooling scrubber device according to claim 1, characterized in that the nozzle (202) is arranged at an angle of 45 ° to the inner wall of the cavity of the gas-liquid separator (3).
8. Coke oven assembly, characterized in that it comprises a gas-liquid separator (3), a circulating ammonia water pipe (4) and a cooling scrubber device according to any one of claims 1 to 7, the mounting seat (1) of which is fixedly arranged at the upper port of the cavity of the gas-liquid separator (3), and the connection port (201) of the spraying device (2) is connected with the circulating ammonia water pipe (4).
9. Coke oven assembly according to claim 8, characterized in that the mounting (1) of said cooling scrubber is arranged inside the cavity of said gas-liquid separator (3); or the mounting seat (1) is arranged at the circumferential part of the variable diameter section of the upper port of the cavity.
10. The coke oven assembly of claim 9, comprising an atomization sensor disposed in an upper portion of the cavity of the gas-liquid separator, the atomization sensor being connected to a control valve of the spray device.
CN202011610980.9A 2020-12-30 2020-12-30 Cooling washing device and coke oven integration Pending CN112831356A (en)

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Application Number Priority Date Filing Date Title
CN202011610980.9A CN112831356A (en) 2020-12-30 2020-12-30 Cooling washing device and coke oven integration

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CN202011610980.9A CN112831356A (en) 2020-12-30 2020-12-30 Cooling washing device and coke oven integration

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CN201665672U (en) * 2010-03-23 2010-12-08 新疆红星科健镁合金有限公司 Coalification furnace gas-liquid separator
CN108395911A (en) * 2018-04-13 2018-08-14 中冶焦耐(大连)工程技术有限公司 A kind of gas-liquid separation and dedusting integrated device and technique
CN208419668U (en) * 2018-06-29 2019-01-22 亚德(上海)环保系统有限公司 A kind of temperature with high efficiency prolonged type chilling tower
CN209696655U (en) * 2019-01-18 2019-11-29 新疆星塔矿业有限公司 A kind of desulphurization denitration flue gas controller of PLC control
CN210495823U (en) * 2019-08-02 2020-05-12 福建省南安市星原气体有限公司 Purifier of carbide method production acetylene
CN211823924U (en) * 2019-12-24 2020-10-30 江苏保瑞工业水处理有限公司 Water purification circulation closed air cooling tower

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Application publication date: 20210525