CN210855970U - Ammonia water nozzle for cleaning, raw coke oven gas cooling and tar cleaning device - Google Patents
Ammonia water nozzle for cleaning, raw coke oven gas cooling and tar cleaning device Download PDFInfo
- Publication number
- CN210855970U CN210855970U CN201921358773.1U CN201921358773U CN210855970U CN 210855970 U CN210855970 U CN 210855970U CN 201921358773 U CN201921358773 U CN 201921358773U CN 210855970 U CN210855970 U CN 210855970U
- Authority
- CN
- China
- Prior art keywords
- ammonia water
- spiral
- pipe
- nozzle
- water nozzle
- 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.)
- Active
Links
Images
Landscapes
- Nozzles (AREA)
Abstract
The utility model relates to an ammonia water nozzle for cleaning and a raw coke oven gas cooling and tar cleaning device adopting the ammonia water nozzle, wherein the ammonia water nozzle for cleaning comprises an ammonia water nozzle, a liquid inlet pipe, a connecting pipe and a mounting seat; the ammonia nozzle body is internally provided with a liquid inlet area, a rotary dispersion area, a mixing impact area and a jet guide area. The raw coke oven gas cooling and tar cleaning device comprises an ammonia water nozzle for cleaning and an ammonia water atomization nozzle; the ammonia water atomizing nozzle is arranged at the top of the bridge pipe close to one end of the ascending pipe, and the spraying direction of the ammonia water atomizing nozzle faces the oblique lower part of one end of the gas collecting pipe; the ammonia water nozzle for cleaning is arranged at the top of the bridge pipe above the gas collecting pipe, and the liquid spraying direction of the ammonia water nozzle is vertical downwards. The utility model discloses not only can effectively wash bridge pipe hypomere and water seal valve middle section choke department, prevent the tar adhesion, can also produce the negative pressure at the bridge pipe middle part, in the furnace end cigarette that produces when coal is adorned with coke oven carbonization room machine side inhales the carbomorphism, solve the problem that the coking industry was difficult to get rid of for a long time furnace end cigarette pollution.
Description
Technical Field
The utility model relates to a coke oven gas is collected and is purified technical field, especially relates to a raw coke oven gas cooling and tar belt cleaning device who washs with aqueous ammonia nozzle and adopt this aqueous ammonia nozzle.
Background
The coke oven ascending pipe is connected with the gas collecting pipe through a bridge pipe and is used for cooling and guiding out the crude gas generated in the coke oven coal dry distillation process, keeping and controlling the carbonization chamber to be in positive pressure in the whole coking process, and simultaneously preventing the crude gas from leaking into the atmospheric environment due to overhigh pressure of the carbonization chamber; usually, an ammonia water spraying device is arranged at the bridge pipe section, so that the heat of the raw gas is quickly evaporated and absorbed in a large amount, and the raw gas is rapidly cooled to 80-100 ℃ and then enters the gas collecting pipe.
At present, an ammonia water atomizing nozzle is often adopted to an ammonia water spraying device for raw coke oven gas cooling, and atomizing spray cooling makes liquid atomizing with the help of high-pressure gas or the pressure of relying on itself through atomizing spray tube, and compulsorily sprays to the surface of a cooled body to realize its refrigerated effect, and its cooling effect is good, can satisfy the refrigerated needs of raw coke oven gas derivation in-process. However, after the raw coke oven gas is cooled, tar in the raw coke oven gas is condensed at the lower section of the bridge pipe and the throat pipe at the middle section of the water seal valve, so that the normal flow of the raw coke oven gas is influenced, and the blockage phenomenon can occur in severe cases. In addition, the furnace end smoke is easy to escape when the coke oven door side is in coal loading operation, and the atmosphere is polluted.
Disclosure of Invention
The utility model provides a wash with aqueous ammonia nozzle and adopt this aqueous ammonia nozzle's crude gas cooling and tar belt cleaning device not only can effectively wash bridge pipe hypomere and water seal valve middle section choke department, prevents the tar adhesion, can also produce the negative pressure at the bridge pipe middle part, and the furnace end cigarette that produces when coal is adorned to coke oven carbonization chamber machine side inhales the carbomorphism indoor, solves the problem that the long-term furnace end cigarette pollution of coking trade is difficult to get rid of.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an ammonia water nozzle for cleaning comprises an ammonia water nozzle, a liquid inlet pipe, a connecting pipe and a mounting seat; one end of an ammonia water inlet of the ammonia water nozzle is connected with one end of a liquid inlet pipe through threads, the axis of the liquid inlet pipe is coaxial with that of the ammonia water nozzle, and the other end of the liquid inlet pipe is provided with a dredging hole which is sealed through plugging; one end of the connecting pipe is connected with the middle part of the liquid inlet pipe, and the other end of the connecting pipe is connected with an external ammonia water pipeline through a flange; the outer side of the liquid inlet pipe is provided with a mounting seat, and the mounting seat is provided with a mounting bolt hole; a liquid inlet area, a rotary dispersion area, a mixing impact area and a jet guide area are sequentially arranged in the ammonia water nozzle body from an ammonia water inlet to one end of an ammonia water outlet; the liquid inlet area is provided with a spiral body, 3 spiral channels are arranged in the circumferential direction of the spiral body, the spiral center line of each spiral channel is the axis of the spiral body, and the middle part of the spiral body is provided with an axial straight hole; the liquid inlet area is a cylindrical space, the rotating dispersion area is a conical space which is tightened to the mixing impact area, the mixing impact area is a cylindrical space or a cylindrical space with a hyperbolic profile, and the jet guide area is a conical space which is diffused outwards from the mixing impact area.
And a spiral guide piece is arranged at an outlet of the outer end of the spiral body corresponding to the axial straight hole, the spiral direction of the spiral guide piece is opposite to the spiral direction of the spiral channel, and the tail end of the spiral guide piece extends into the rotary dispersion area.
The liquid inlet pipe is obliquely connected with the connecting pipe, and the included angle between the flowing direction of ammonia water in the connecting pipe and the flowing direction of ammonia water in the liquid inlet pipe is an obtuse angle.
The spiral channel is a variable cross-section channel, and the cross section of the spiral channel gradually decreases from one end of the ammonia water inlet to one end of the ammonia water outlet.
The spiral channel is a spiral channel with a rectangular cross section.
The inclination angle of the spiral channel is 35-55 degrees.
The spiral guide piece consists of a cylindrical structure and a strip-shaped spiral body, one end of the cylindrical structure is fixedly connected with the spiral body, and the inner diameter of the cylindrical structure is the same as that of the axial straight hole; the other end of the cylindrical structure is connected with the big end of the belt spiral body, and the small end of the belt spiral body extends to the rotating dispersion area.
The spiral body and the ammonia water nozzle body, and the cylindrical structure of the spiral guide body and the spiral body are fixedly connected through transition fit or interference fit respectively.
The liquid inlet pipe, the connecting pipe and the mounting seat are integrally formed steel castings, and the ammonia water nozzle is made of stainless steel.
A raw gas cooling and tar cleaning device is arranged on a bridge pipe, one end of the bridge pipe is connected with an ascending pipe, and the other end of the bridge pipe is connected with a gas collecting pipe through a water seal valve; the raw coke oven gas cooling and tar cleaning device comprises an ammonia water nozzle for cleaning and an ammonia water atomization nozzle; the ammonia water atomizing nozzle is arranged at the top of the bridge pipe close to one end of the ascending pipe, and the spraying direction of the ammonia water atomizing nozzle faces the oblique lower part of one end of the gas collecting pipe; the ammonia water nozzle for cleaning is arranged at the top of the bridge pipe above the gas collecting pipe, the axis of the ammonia water nozzle is coaxial with the axis of the water seal valve, and the liquid spraying direction of the ammonia water nozzle is vertical downward.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the ammonia water nozzle for cleaning is large-droplet injection, has better cleaning effect compared with an ammonia water atomizing nozzle, and can effectively clean the lower section of the bridge pipe and the throat of the middle section of the water seal valve to prevent tar from adhering;
2) the ammonia water atomizing nozzle and the ammonia water nozzle for cleaning are reasonably matched and used on the bridge pipe, so that the high-efficiency cooling of the raw coke oven gas and the timely cleaning of tar are realized, and the smooth guiding-out of the raw coke oven gas is ensured;
3) the ammonia water nozzle for cleaning can generate negative pressure in the middle of the bridge pipe in the spraying process, and the furnace end smoke generated in the side coal charging process of the coke oven carbonization chamber machine is sucked into the carbonization chamber, so that the problem that the furnace end smoke pollution is difficult to remove in the coking industry for a long time is solved.
Drawings
Fig. 1 is a schematic structural diagram of an ammonia water nozzle for cleaning according to the present invention.
Figure 2 is an outline view of the ammonia water nozzle of the present invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a bottom view of fig. 2.
Fig. 5 is a sectional view a-a of fig. 2.
Fig. 6 is a sectional view a-a of fig. 2.
Fig. 7 is a schematic structural diagram of a raw coke oven gas cooling and tar cleaning device of the present invention.
In the figure: 1. ammonia water nozzle 101, body 102 of ammonia water nozzle, thread 103, milling flat structure 104, spiral body 104a, spiral channel 104b, axial straight hole 105, spiral guiding piece I, liquid inlet area II, rotary dispersion area III, mixing impact area IV, injection guiding area 2, liquid inlet pipe 3, connecting pipe 4, mounting seat 5, plug 6, flange 10, carbonization chamber 20, ascending pipe 30, bridge pipe 40, water seal valve 50, gas collecting pipe 60, ammonia water atomizing nozzle 70, ammonia water nozzle for cleaning
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1, the ammonia water nozzle for cleaning of the present invention comprises an ammonia water nozzle 1, a liquid inlet pipe 2, a connecting pipe 3 and a mounting seat 4; one end of an ammonia water inlet of the ammonia water nozzle 1 is connected with one end of a liquid inlet pipe 2 through threads 102, the axis of the liquid inlet pipe 2 is coaxial with the axis of the ammonia water nozzle 1, and the other end of the liquid inlet pipe 2 is provided with a dredging hole which is closed through a plug 5; one end of the connecting pipe 3 is connected with the middle part of the liquid inlet pipe 2, and the other end is connected with an external ammonia water pipeline through a flange 6; the outer side of the liquid inlet pipe 2 is provided with a mounting seat 4, and the mounting seat 4 is provided with a mounting bolt hole; as shown in fig. 2-5, a liquid inlet zone i, a rotary dispersion zone ii, a mixing impact zone iii and a jet guide zone iv are sequentially arranged in the body 101 of the ammonia water nozzle from an ammonia water inlet to one end of an ammonia water outlet; the liquid inlet area I is provided with a spiral body 104, 3 spiral channels 104a are arranged on the periphery of the spiral body 104, the spiral center line of each spiral channel 104a is the axis of the spiral body 104, and the middle of the spiral body 104 is provided with an axial straight hole 104 b; the liquid inlet area I is a cylindrical space, the rotary dispersion area II is a conical space which is tightened to the mixing impact area III, the mixing impact area III is a cylindrical space or a cylindrical space with a hyperbolic profile, and the jet guide area IV is a conical space which is diffused outwards from the mixing impact area III.
As shown in fig. 6, the outer end of the spiral body 104 is provided with a spiral guide 105 corresponding to the outlet of the axial straight hole 104b, the spiral direction of the spiral guide 105 is opposite to the spiral direction of the spiral channel 104a, and the end of the spiral guide 105 extends into the rotating dispersion area ii.
The liquid inlet pipe 2 is obliquely connected with the connecting pipe 3, and the included angle between the flowing direction of ammonia water in the connecting pipe 3 and the flowing direction of ammonia water in the liquid inlet pipe 2 is an obtuse angle.
The spiral passage 104a is a variable cross-section passage, and the cross section of the spiral passage gradually decreases from one end of the ammonia water inlet to one end of the ammonia water outlet.
The spiral passage 104a is a spiral passage of a rectangular cross section.
The inclination angle of the spiral passage 104a is 35-55 deg.
The spiral guide piece 105 is composed of a cylindrical structure and a strip-shaped spiral body, one end of the cylindrical structure is fixedly connected with the spiral body 104, and the inner diameter of the cylindrical structure is the same as that of the axial straight hole 104 b; the other end of the cylindrical structure is connected with the large end of the belt spiral body, and the small end of the belt spiral body extends to the rotary dispersion area II.
The spiral body 104 and the ammonia water nozzle body 101 and the cylindrical structure of the spiral guiding body 105 and the spiral body 104 are fixedly connected through transition fit or interference fit respectively.
The liquid inlet pipe 2, the connecting pipe 3 and the mounting seat 4 are integrally formed steel castings, and the ammonia water nozzle 1 is made of stainless steel.
As shown in fig. 7, the raw coke oven gas cooling and tar cleaning device of the present invention is disposed on the bridge pipe 30, one end of the bridge pipe 30 is connected to the ascending pipe 20, and the other end of the bridge pipe 30 is connected to the gas collecting pipe 50 through the water seal valve 40; the raw coke oven gas cooling and tar cleaning device comprises an ammonia water nozzle 70 for cleaning and an ammonia water atomizing nozzle 60; the ammonia water atomizing nozzle 60 is arranged at the top of the bridge pipe 30 close to one end of the ascending pipe 20, and the atomizing direction of the ammonia water atomizing nozzle faces the oblique lower part of one end of the gas collecting pipe 50; the ammonia water nozzle 70 for cleaning is arranged at the top of the bridge pipe 30 above the gas collecting pipe 50, the axis of the ammonia water nozzle 70 for cleaning is coaxial with the axis of the water seal valve 40, and the liquid spraying direction is vertical and downward.
As shown in figure 1, in the ammonia water nozzle 70 for washing, the ammonia water nozzle 1 is detachably connected with the liquid inlet pipe 2 through a thread 102, so that the ammonia water nozzle is convenient to overhaul and replace. The other end of feed liquor pipe 2 is established and is dredged the hole, when ammonia water nozzle 1 took place to block up in ammonia water entry one side, dredges through dredging the hole, dredges the hole during daily work and seals through shutoff 5. The one end and the outside ammonia pipe connection of connecting pipe 3, the aqueous ammonia that introduces from the ammonia pipe is followed the slant and is got into feed liquor pipe 2 in, can prevent the direct impact to aqueous ammonia nozzle 1 to play the effect that the buffering was flow equalized.
As shown in fig. 2 and 4, two ends of a body 101 of the ammonia water nozzle are respectively provided with a thread 102 and a milling structure 103, wherein the thread 102 is used for connecting with the liquid inlet pipe 2, and the outer diameter of the body 101 of the ammonia water nozzle is the same as that of the liquid inlet pipe 2. The outer contour of the milling flat structure 103 is a square, the corners are in arc transition, and the structure is convenient to install and disassemble by using matched tools such as a spanner.
As shown in fig. 3, a spiral body 104 is arranged at the top of the ammonia water nozzle 1 (in the direction shown in fig. 2), 3 spiral channels 104a are uniformly distributed on the spiral body 104 along the circumferential direction, the upper opening of the spiral channel 104a is communicated with the liquid inlet pipe 2, and the lower opening is connected with the inner space of the ammonia water nozzle 1. The 3 spiral channels 104a are spirally arranged around the center line of the ammonia water nozzle 1, and the preferred section shape is a rectangle and is a variable section structure from top to bottom.
As shown in fig. 5, a liquid inlet zone i, a rotary dispersion zone ii, a mixing impact zone iii and a jet guiding zone iv are arranged in the body 101 of the ammonia water nozzle from top to bottom; after the ammonia water reaches the ammonia water nozzle 1, the ammonia water enters the inner space of the ammonia water nozzle 1 through 3 spiral channels 104a and axial straight holes 104b arranged on the spiral body 104 of the liquid inlet area I, wherein the ammonia water entering from the spiral channels 104a flows downwards along the spiral rotary direction on the inner wall of the ammonia water nozzle body 101 of the rotary dispersion area II, and the ammonia water entering from the axial straight holes 104b directly enters the middle part of the ammonia water nozzle body 101 and flows vertically downwards. 3 strands of ammonia water that spiral descends meet in mixed impact zone III with 1 strand of ammonia water that descends linearly, and take place violent collision, the spalling is the liquid drop of fine crushing, the diameter of this liquid drop is big liquid drop with the atomizing liquid drop that the atomizing nozzle produced, its cooling effect to raw coke oven gas is not as atomizing liquid drop, but compare with atomizing liquid drop, because its liquid drop is bulky, kinetic energy is also great, has bigger impact force, therefore the effect is better when being used for washing. The collided fine liquid drops are guided by the conical spray guide area IV to be sprayed downwards in an umbrella-shaped uniform diffusion mode, and the cleaning area is large.
As shown in fig. 6, a liquid inlet zone i, a rotary dispersion zone ii, a mixing impact zone iii and a jet guiding zone iv are arranged in the body 101 of the ammonia water nozzle from top to bottom; different from the ammonia water nozzle shown in fig. 5, the spiral guide 105 is arranged at the lower part of the spiral body 104, one strand of ammonia water entering through the axial straight hole 104b flows downwards in a spiral shape at the middle part of the ammonia water nozzle body 101 under the action of the spiral guide 105, and because the spiral direction of the strand of ammonia water is opposite to the spiral direction of the spiral channel 104a, the strand of ammonia water collides with the other 3 strands of ammonia water more violently, so that the dispersion effect of liquid drops is further enhanced.
As shown in fig. 7, the ammonia water nozzle 70 for cleaning of the present invention is used in cooperation with the conventional ammonia water atomizing nozzle 60 at the bridge pipe 30, so as to achieve the dual effects of raw coke oven gas cooling and tar cleaning; aqueous ammonia atomizing nozzle 60, for the washing aqueous ammonia nozzle 70 according to predesigned position and angle installation, wherein wash and install with aqueous ammonia nozzle 70 through mount pad 4 and complex bolt, 2 all can the directional automatic aqueous ammonia that sprays of aqueous ammonia nozzle, wherein wash and can fully cover water seal valve 40 middle section choke position with the aqueous ammonia that aqueous ammonia nozzle 70 sprayed, effectively wash it. And because the ammonia water for cleaning flows in the bridge pipe 30, the internal pressure of the bridge pipe 30 can be locally changed, so that vacuum negative pressure is formed in the middle of the bridge pipe 30, and the furnace end smoke of the furnace end of the carbonization chamber 10 can be injected into the carbonization chamber 10 by the negative pressure, thereby solving the great problem of furnace end smoke pollution which is difficult to solve in the coking industry for many years.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.
Claims (10)
1. An ammonia water nozzle for cleaning is characterized by comprising an ammonia water nozzle, a liquid inlet pipe, a connecting pipe and a mounting seat; one end of an ammonia water inlet of the ammonia water nozzle is connected with one end of a liquid inlet pipe through threads, the axis of the liquid inlet pipe is coaxial with that of the ammonia water nozzle, and the other end of the liquid inlet pipe is provided with a dredging hole which is sealed through plugging; one end of the connecting pipe is connected with the middle part of the liquid inlet pipe, and the other end of the connecting pipe is connected with an external ammonia water pipeline through a flange; the outer side of the liquid inlet pipe is provided with a mounting seat, and the mounting seat is provided with a mounting bolt hole; a liquid inlet area, a rotary dispersion area, a mixing impact area and a jet guide area are sequentially arranged in the ammonia water nozzle body from an ammonia water inlet to one end of an ammonia water outlet; the liquid inlet area is provided with a spiral body, 3 spiral channels are arranged in the circumferential direction of the spiral body, the spiral center line of each spiral channel is the axis of the spiral body, and the middle part of the spiral body is provided with an axial straight hole; the liquid inlet area is a cylindrical space, the rotating dispersion area is a conical space which is tightened to the mixing impact area, the mixing impact area is a cylindrical space or a cylindrical space with a hyperbolic profile, and the jet guide area is a conical space which is diffused outwards from the mixing impact area.
2. An ammonia water nozzle for cleaning according to claim 1, wherein the spiral guide is provided at the outer end of the spiral body corresponding to the outlet of the axial straight hole, the spiral direction of the spiral guide is opposite to the spiral direction of the spiral channel, and the end of the spiral guide extends into the rotating dispersion zone.
3. An ammonia water nozzle for cleaning according to claim 1, wherein the liquid inlet pipe is connected to the connecting pipe in a diagonal manner, and the angle between the flow direction of ammonia water in the connecting pipe and the flow direction of ammonia water in the liquid inlet pipe is obtuse.
4. An ammonia water nozzle for cleaning according to claim 1, wherein the spiral passage is a passage with a variable cross section, and the cross section of the spiral passage is gradually reduced from the ammonia water inlet end to the ammonia water outlet end.
5. An aqueous ammonia cleansing nozzle according to claim 1 or 4 wherein said spiral passage is a spiral passage of rectangular cross section.
6. An aqueous ammonia cleansing nozzle according to claim 1 or 4 wherein the angle of inclination of said spiral passage is 35 ° to 55 °.
7. An ammonia water nozzle for cleaning according to claim 2, wherein the spiral guide member is composed of a cylindrical structure and a belt-shaped spiral body, one end of the cylindrical structure is fixedly connected with the spiral body, and the inner diameter of the cylindrical structure is the same as that of the axial straight hole; the other end of the cylindrical structure is connected with the big end of the belt spiral body, and the small end of the belt spiral body extends to the rotating dispersion area.
8. An ammonia water nozzle for cleaning according to claim 1, wherein the spiral body and the ammonia water nozzle body, and the cylindrical structure of the spiral guiding body and the spiral body are fixedly connected through transition fit or interference fit respectively.
9. The ammonia water nozzle for cleaning according to claim 1, wherein the liquid inlet pipe, the connecting pipe and the mounting seat are integrally formed steel castings, and the ammonia water nozzle is made of stainless steel.
10. A raw gas cooling and tar cleaning device is arranged on a bridge pipe, one end of the bridge pipe is connected with an ascending pipe, and the other end of the bridge pipe is connected with a gas collecting pipe through a water seal valve; characterized by comprising an aqueous ammonia nozzle for cleaning according to any one of claims 1 to 9, and further comprising an aqueous ammonia atomizing nozzle; the ammonia water atomizing nozzle is arranged at the top of the bridge pipe close to one end of the ascending pipe, and the spraying direction of the ammonia water atomizing nozzle faces the oblique lower part of one end of the gas collecting pipe; the ammonia water nozzle for cleaning is arranged at the top of the bridge pipe above the gas collecting pipe, the axis of the ammonia water nozzle is coaxial with the axis of the water seal valve, and the liquid spraying direction of the ammonia water nozzle is vertical downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921358773.1U CN210855970U (en) | 2019-08-20 | 2019-08-20 | Ammonia water nozzle for cleaning, raw coke oven gas cooling and tar cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921358773.1U CN210855970U (en) | 2019-08-20 | 2019-08-20 | Ammonia water nozzle for cleaning, raw coke oven gas cooling and tar cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210855970U true CN210855970U (en) | 2020-06-26 |
Family
ID=71305862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921358773.1U Active CN210855970U (en) | 2019-08-20 | 2019-08-20 | Ammonia water nozzle for cleaning, raw coke oven gas cooling and tar cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210855970U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387435A (en) * | 2020-11-09 | 2021-02-23 | 南京沪友冶金机械制造有限公司 | Nozzle capable of intelligently improving suction force inside ascending pipe |
| CN113293020A (en) * | 2021-05-25 | 2021-08-24 | 南京沪友冶金机械制造有限公司 | Self-adjusting raw coke oven gas device for single carbonization chamber coke oven |
| CN113289401A (en) * | 2021-05-26 | 2021-08-24 | 中广核工程有限公司 | Water spray pipe row for washing drum-shaped filter screen of nuclear power plant |
-
2019
- 2019-08-20 CN CN201921358773.1U patent/CN210855970U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387435A (en) * | 2020-11-09 | 2021-02-23 | 南京沪友冶金机械制造有限公司 | Nozzle capable of intelligently improving suction force inside ascending pipe |
| CN113293020A (en) * | 2021-05-25 | 2021-08-24 | 南京沪友冶金机械制造有限公司 | Self-adjusting raw coke oven gas device for single carbonization chamber coke oven |
| CN113289401A (en) * | 2021-05-26 | 2021-08-24 | 中广核工程有限公司 | Water spray pipe row for washing drum-shaped filter screen of nuclear power plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210855970U (en) | Ammonia water nozzle for cleaning, raw coke oven gas cooling and tar cleaning device | |
| CN102160964B (en) | Selective non-catalytic reduction (SNCR) denitration multi-nozzle long-gun injector | |
| CN203737461U (en) | Large-flow impact type sprayer for denitration spraying gun | |
| CN205189939U (en) | Mining annular is drawn and is penetrated dust pelletizing system | |
| CN105750098A (en) | Cyclone separator | |
| CN203737462U (en) | Large-flow spiral type sprayer for denitration spraying gun | |
| CN206970549U (en) | A kind of Gas-making Furnace accumulatingdust shock chamber | |
| CN209049224U (en) | A kind of efficient SCR denitration device | |
| CN203437031U (en) | SNCR denitration double-fluid spray device | |
| CN202983935U (en) | Reversed spraying nozzle for wet-method smoke washing | |
| CN211887481U (en) | Novel vortex nozzle suitable for scrubbing tower | |
| CN105569721A (en) | Air-spray linkage type annular jetting dust-removal system for mining | |
| CN206046297U (en) | A kind of water injecting nozzles for washing for oil gas and cooling down | |
| CN205020282U (en) | Stifled spray gun is prevented in denitration | |
| CN104118916B (en) | A kind of flow self-regulating nozzle for desulfurization waste liquor pyrolysis | |
| CN107029536A (en) | Spiral blender and the denitrification apparatus using the blender | |
| CN113426282A (en) | Flue gas distributor device with automatic ash removal function | |
| CN208786046U (en) | A kind of horizontal pipeline with dust-extraction unit | |
| CN202356171U (en) | Water injection device of vertical mill | |
| CN209181527U (en) | A kind of anti-splashing charging nozzle | |
| CN212681369U (en) | Jet-suction type flat spray gun | |
| CN219624591U (en) | Be used for meticulous abluent rubber ball dispersion devices of condenser rubber ball subregion | |
| CN207371341U (en) | The nozzle of molten salt furnace flue gas desulphurization system washing section | |
| CN218989185U (en) | Raw gas cooler with dust removal and tar removal functions | |
| CN220716268U (en) | Glaze slurry spray gun for inner wall of bottom cover of water heater liner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |