CN210303179U - Cement kiln tail waste gas denitrification facility - Google Patents

Cement kiln tail waste gas denitrification facility Download PDF

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Publication number
CN210303179U
CN210303179U CN201921032341.1U CN201921032341U CN210303179U CN 210303179 U CN210303179 U CN 210303179U CN 201921032341 U CN201921032341 U CN 201921032341U CN 210303179 U CN210303179 U CN 210303179U
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China
Prior art keywords
denitration tower
denitration
cement kiln
tower
kiln tail
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Expired - Fee Related
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CN201921032341.1U
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Chinese (zh)
Inventor
李修启
许金华
梁伟
邵明亮
张伟
刘鑫
郝得香
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Zaozhuang Wofeng Cement Co Ltd
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Individual
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Publication of CN210303179U publication Critical patent/CN210303179U/en
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Abstract

The utility model discloses a cement kiln tail waste gas denitrification facility, including the denitration tower, the bottom welding of denitration tower has the installation base, and installs the base and be linked together with the denitration tower, the top welding of denitration tower has four evenly distributed's connecting rod, and the top welding of four connecting rods has same apron, peg graft at the middle part of denitration tower one side has the filler pipe, and the filler pipe extends to the inside one end of denitration tower and has the spiral pipe through flange joint, there is the drain pipe bottom of spiral pipe through flange joint, and the one end of drain pipe extends to the outside of denitration tower, the one end of filler pipe is located the outside of denitration tower, and the filler pipe is located the outside one end of denitration tower and is provided with the valve. The utility model discloses an add cold water to the intraductal joining of spiral pipe of filler pipe, when cooling down tail gas, can utilize the waste heat to heat water, the spiral pipe can increase the flow time of cold water in the denitration tower, and is more abundant to the absorption of waste heat.

Description

Cement kiln tail waste gas denitrification facility
Technical Field
The utility model relates to a building material technical field especially relates to a cement kiln tail waste gas denitrification facility.
Background
At present, a cement kiln belongs to building material equipment, and is one of lime kilns. The cement kiln can be divided into a cement rotary kiln, a metallurgical chemical rotary kiln and a lime rotary kiln according to different materials to be treated. The rotary cement kiln is the main equipment of the cement clinker dry and wet production line.
The cement kiln can discharge the high temperature waste gas who contains oxynitride in the use, can cause serious pollution to atmospheric environment, before exhaust emission, need use denitrification facility to handle, waste heat among the current kiln tail waste gas denitration treatment facility can't utilize waste gas, and the energy of fuel can not by make full use of, leads to the waste of resource, needs to design a cement kiln tail waste gas denitrification facility to solve above-mentioned problem urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a cement kiln tail waste gas denitration device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cement kiln tail waste gas denitrification facility, includes the denitration tower, the bottom welding of denitration tower has the installation base, and installs the base and be linked together with the denitration tower, the top welding of denitration tower has four evenly distributed's connecting rod, and the top welding of four connecting rods has same apron, the middle part of denitration tower one side is pegged graft and is had the filler pipe, and the filler pipe extends to the inside one end of denitration tower and has a spiral pipe through flange joint, there is the drain pipe bottom of spiral pipe through flange joint, and the one end of drain pipe extends to the outside of denitration tower, the one end of filler pipe is located the outside of denitration tower, and the filler pipe is located the outside one end of denitration tower and is provided with the valve.
As a further aspect of the present invention: the inner wall fixedly connected with in denitration tower middle part has four guide plates of crisscross distribution, and the joint has same packing plate between per two adjacent guide plates.
As a further aspect of the present invention: the inside of the packing sheet is filled with a catalyst and a reducing agent.
As a further aspect of the present invention: and meshes for allowing gas to pass through are formed in the packing plate.
As a further aspect of the present invention: one side welding of denitration tower middle part inner wall has two snap rings, and the socket has been seted up at the middle part of denitration tower opposite side.
As a further aspect of the present invention: two the joint has same filter between the snap ring, and the external diameter of filter and the internal diameter looks adaptation of denitration tower.
As a further aspect of the present invention: one side fixedly connected with cardboard of filter, and the cardboard is located the outside of denitration tower.
As a further aspect of the present invention: the top welding of cardboard has the fly leaf, and one side welding of cardboard has the handle.
As a further aspect of the present invention: the middle part welding of denitration tower one side outer wall has the fixed plate, and there is electric putter one side of fixed plate bottom through bolted connection, and electric putter's bottom welding has the pin, and the bottom of pin is pegged graft in one side of fly leaf.
The utility model has the advantages that:
1. by arranging the spiral pipe, cold water is added into the spiral pipe through the water adding pipe, heat in tail gas is absorbed, the tail gas is cooled, meanwhile, waste heat can be utilized to heat water, the spiral pipe can prolong the flowing time of the cold water in the denitration tower, and the waste heat is absorbed more fully;
2. by arranging the guide plates, the guide plates which are distributed in a staggered mode can prolong the flow path and flow time of the tail gas in the denitration tower, so that the tail gas can be subjected to sufficient denitration treatment;
3. through setting up filter, handle, pin and electric putter, before tail gas flows the packing plate, can pass through the filtration of filter, filter the large granule dust in the tail gas, avoid causing the jam to the packing plate, electric putter drives the pin withdrawal, makes the pin extract the fly leaf, can take the filter out the denitration tower through the handle, is convenient for clear up the filter.
Drawings
FIG. 1 is a sectional view of the structure of an embodiment 1 of a cement kiln tail waste gas denitration device provided by the utility model;
FIG. 2 is a schematic view of a flow guide plate structure of a cement kiln tail waste gas denitration device provided by the utility model;
FIG. 3 is a sectional view of the structure of an embodiment 2 of the cement kiln tail waste gas denitration device provided by the utility model;
FIG. 4 is a schematic view of a filter plate structure of a cement kiln tail waste gas denitration device provided by the utility model;
fig. 5 is the utility model provides a cement kiln tail exhaust gas denitration device's embodiment 2 front view.
In the figure: 1 denitration tower, 2 installation bases, 3 filler pipes, 4 valves, 5 packing plates, 6 connecting rods, 7 cover plates, 8 guide plates, 9 spiral pipes, 10 drain pipes, 11 clamping rings, 12 filtering plates, 13 clamping plates, 14 handles, 15 movable plates, 16 pins, 17 electric push rods, 18 fixed plates and 19 jacks.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-2, a cement kiln tail waste gas denitration device comprises a denitration tower 1, wherein an installation base 2 is welded at the bottom of the denitration tower 1, the installation base 2 is communicated with the denitration tower 1, four uniformly distributed connecting rods 6 are welded at the top of the denitration tower 1, the same cover plate 7 is welded at the tops of the four connecting rods 6, a water feeding pipe 3 is inserted in the middle of one side of the denitration tower 1, one end of the water feeding pipe 3 extending into the denitration tower 1 is connected with a spiral pipe 9 through a flange, the bottom of the spiral pipe 9 is connected with a water discharging pipe 10 through a flange, one end of the water discharging pipe 10 extends out of the denitration tower 1, one end of the water feeding pipe 3 is positioned outside the denitration tower 1, a valve 4 is arranged at one end of the water feeding pipe 3 positioned outside the denitration tower 1, the denitration tower 1 is installed at a tail gas discharge port of a cement kiln through the installation base 2, absorb the heat in the tail gas, when cooling down tail gas, can utilize the waste heat to heat water, spiral pipe 9 can increase the flow time of cold water in denitration tower 1, and is more abundant to the absorption of waste heat, and hot water is discharged denitration tower 1 by drain pipe 10, and the tail gas after the cooling is discharged by the top of denitration tower 1, and apron 7 can prevent that external dust from falling into among the denitration tower 1.
Wherein, the inner wall fixedly connected with in the middle part of denitration tower 1 has four guide plates 8 that crisscross distribution, and the joint has same filler plate 5 between per two adjacent guide plates 8, and guide plate 8 that crisscross distribution can prolong the flow path and the flow time of tail gas in denitration tower 1, makes tail gas can obtain abundant denitration treatment, and the arrow shown in figure 2 represents the flow direction of tail gas.
The inside of the packing sheet 5 is filled with a catalyst and a reducing agent.
Wherein, the inside of packing plate 5 is seted up and is held the mesh that gas passes through, and the mesh of packing plate 5 can be passed through to the tail gas flow in-process, utilizes catalytic reduction reaction to realize the denitration.
Example 2
Referring to fig. 3-5, in the embodiment, compared with embodiment 1, two clamping rings 11 are welded on one side of the inner wall of the middle part of a denitration tower 1, a socket 19 is formed in the middle part of the other side of the denitration tower 1, a same filter plate 12 is clamped between the two clamping rings 11, the outer diameter of the filter plate 12 is matched with the inner diameter of the denitration tower 1, one side of the filter plate 12 is fixedly connected with a clamping plate 13, the clamping plate 13 is positioned outside the denitration tower 1, a movable plate 15 is welded on the top of the clamping plate 13, a handle 14 is welded on one side of the clamping plate 13, a fixed plate 18 is welded on the middle part of the outer wall of one side of the denitration tower 1, one side of the bottom of the fixed plate 18 is connected with an electric push rod 17 through a bolt, a pin 16 is welded on the bottom of the electric push rod 17, the bottom of the pin 16, filter the large granule dust in the tail gas, avoid causing the jam to packing plate 5, electric putter 17 drives pin 16 withdrawal, makes pin 16 extract fly leaf 15, can take denitration tower 1 out filter 12 through handle 14, is convenient for clear up filter 12.
The working principle is as follows: when the denitration device is used, the electric push rod 17 is connected with a switch through a lead, the switch is connected with a power supply through a lead, the denitration tower 1 is arranged at a tail gas discharge port of a cement kiln through the installation base 2, cold water is added into the spiral pipe 9 through the water adding pipe 3 to absorb heat in tail gas, the tail gas can be cooled and simultaneously heated by waste heat, the spiral pipe 9 can prolong the flowing time of the cold water in the denitration tower 1, hot water is discharged out of the denitration tower 1 through the water discharging pipe 10, denitration is realized by utilizing catalytic reduction reaction through meshes of the packing plates 5 in the tail gas flowing process, the flow path and the flowing time of the tail gas in the denitration tower 1 can be prolonged by the guide plates 8 which are distributed in a staggered mode, the tail gas can be filtered by the filter plates 12 before flowing through the packing plates 5, large-particle dust in the tail gas is filtered out, the blockage of the packing plates 5, make pin 16 extract fly leaf 15, can take filter 12 out denitration tower 1 through handle 14, be convenient for clear up filter 12, the tail gas after the processing is discharged by the top of denitration tower 1, apron 7 can prevent that external dust from falling into among the denitration tower 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. A cement kiln tail waste gas denitration device comprises a denitration tower (1) and is characterized in that an installation base (2) is welded at the bottom of the denitration tower (1), the mounting base (2) is communicated with the denitration tower (1), the top of the denitration tower (1) is welded with four uniformly distributed connecting rods (6), the top parts of the four connecting rods (6) are welded with the same cover plate (7), the middle part of one side of the denitration tower (1) is inserted with a water feeding pipe (3), and one end of the water feeding pipe (3) extending to the inside of the denitration tower (1) is connected with a spiral pipe (9) through a flange, the bottom of the spiral pipe (9) is connected with a drain pipe (10) through a flange, one end of the water discharge pipe (10) extends to the outside of the denitration tower (1), one end of the water feeding pipe (3) is positioned outside the denitration tower (1), and a valve (4) is arranged at one end of the water feeding pipe (3) positioned outside the denitration tower (1).
2. The cement kiln tail waste gas denitration device according to claim 1, characterized in that the inner wall of the middle part of the denitration tower (1) is fixedly connected with four guide plates (8) which are distributed in a staggered manner, and the same filler plate (5) is clamped between every two adjacent guide plates (8).
3. The cement kiln tail exhaust gas denitration device according to claim 2, wherein the inside of the filler plate (5) is filled with a catalyst and a reducing agent.
4. The cement kiln tail waste gas denitration device according to any one of claims 2 to 3, characterized in that the inside of the filler plate (5) is provided with meshes for allowing gas to pass through.
5. The cement kiln tail waste gas denitration device according to claim 1, characterized in that two snap rings (11) are welded on one side of the inner wall of the middle part of the denitration tower (1), and a socket (19) is opened in the middle of the other side of the denitration tower (1).
6. The cement kiln tail waste gas denitration device according to claim 5, wherein the same filter plate (12) is clamped between the two clamping rings (11), and the outer diameter of the filter plate (12) is matched with the inner diameter of the denitration tower (1).
7. The cement kiln tail exhaust gas denitration device according to claim 6, wherein a clamping plate (13) is fixedly connected to one side of the filter plate (12), and the clamping plate (13) is positioned outside the denitration tower (1).
8. The cement kiln tail waste gas denitration device according to claim 7, characterized in that a movable plate (15) is welded on the top of the clamping plate (13), and a handle (14) is welded on one side of the clamping plate (13).
9. The cement kiln tail waste gas denitration device according to claim 8, characterized in that a fixing plate (18) is welded in the middle of the outer wall of one side of the denitration tower (1), an electric push rod (17) is connected to one side of the bottom of the fixing plate (18) through a bolt, a pin (16) is welded to the bottom of the electric push rod (17), and the bottom of the pin (16) is inserted into one side of the movable plate (15).
CN201921032341.1U 2019-06-28 2019-06-28 Cement kiln tail waste gas denitrification facility Expired - Fee Related CN210303179U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921032341.1U CN210303179U (en) 2019-06-28 2019-06-28 Cement kiln tail waste gas denitrification facility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921032341.1U CN210303179U (en) 2019-06-28 2019-06-28 Cement kiln tail waste gas denitrification facility

Publications (1)

Publication Number Publication Date
CN210303179U true CN210303179U (en) 2020-04-14

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CN201921032341.1U Expired - Fee Related CN210303179U (en) 2019-06-28 2019-06-28 Cement kiln tail waste gas denitrification facility

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111701431A (en) * 2020-05-06 2020-09-25 赵春波 Ship exhaust gas desulfurization assembly
CN113477007A (en) * 2021-06-29 2021-10-08 安徽紫朔环境工程技术有限公司 Pulverized coal cinder cleaning device for coal feeding port of coking furnace and use method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111701431A (en) * 2020-05-06 2020-09-25 赵春波 Ship exhaust gas desulfurization assembly
CN113477007A (en) * 2021-06-29 2021-10-08 安徽紫朔环境工程技术有限公司 Pulverized coal cinder cleaning device for coal feeding port of coking furnace and use method thereof

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200615

Address after: 277100 Songlou village, xiwangzhuang Township, Shizhong District, Zaozhuang City, Shandong Province

Patentee after: Zaozhuang Wofeng Cement Co., Ltd

Address before: 277100 Zaozhuang City, Shandong Province, Central District, West Wang Zhuang Township, song Lou village, South Zaozhuang City, India Cements Limited

Patentee before: Li Xiuqi

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200414

Termination date: 20210628