CN215766555U - Ejector and sleeve kiln - Google Patents

Ejector and sleeve kiln Download PDF

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Publication number
CN215766555U
CN215766555U CN202122266065.9U CN202122266065U CN215766555U CN 215766555 U CN215766555 U CN 215766555U CN 202122266065 U CN202122266065 U CN 202122266065U CN 215766555 U CN215766555 U CN 215766555U
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CN
China
Prior art keywords
spray gun
ash removal
ejector
mixing section
connecting disc
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CN202122266065.9U
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Chinese (zh)
Inventor
陈功
郭树柏
张琦
张小辉
刘珍童
吴刚
段长柱
任伟
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Beijing Shougang Co Ltd
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Beijing Shougang Co Ltd
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Priority to CN202122266065.9U priority Critical patent/CN215766555U/en
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Abstract

The utility model discloses an ejector and a sleeve kiln, and belongs to the technical field of sleeve kilns. The ejector includes: the mixing section, the connecting disc and the first ash removal spray gun; the connecting disc is fixedly arranged at the top of the mixing section; the middle part of the first ash removal spray gun is fixedly arranged on the connecting disc, and the air outlet of the first ash removal spray gun penetrates through the connecting disc to be arranged in the mixing section. The ejector and the sleeve kiln can avoid serious ash deposition at the mixing section of the ejector, ensure the utilization efficiency of the circulating gas and improve the production efficiency.

Description

Ejector and sleeve kiln
Technical Field
The utility model relates to the technical field of sleeve kilns, in particular to an ejector and a sleeve kiln.
Background
Annular sleeve kilns have experienced constant improvement since the success of the research in the 60 th century in beckenbach, germany. Compared with the traditional kiln type, the annular sleeve kiln has the characteristic of high activity of produced lime due to the reasonable calcining process. The driving air preheated by the heat exchanger enters the driving air pipe and is then redistributed to the ejector spray gun device to be used as the power gas of the ejector to drive the circulating gas to circulate in the kiln, so that the control of the circulating gas is the key of the whole calcining process.
However, the circulating gas of the sleeve kiln contains a large amount of dust, and the dust is very easy to be adhered to the refractory material of the mixing section of the ejector in the recycling process, so that the flow cross section of the circulating gas is reduced, the siphonage of the spray gun device is weakened, and the flow rate of the circulating gas is reduced. In the prior art, a common method of limestone production enterprises is to regularly clean the ejector, and the normal cleaning frequency is about 1 month, which seriously affects the production efficiency of the sleeve kiln.
SUMMERY OF THE UTILITY MODEL
The utility model provides an ejector and a sleeve kiln, and solves or partially solves the technical problem that the production efficiency of the sleeve kiln is influenced by regularly cleaning dust adhered to a refractory material of a mixing section of the ejector in the prior art.
In order to solve the above technical problem, the present invention provides an ejector including: the mixing section, the connecting disc and the first ash removal spray gun; the connecting disc is fixedly arranged at the top of the mixing section; the middle part of the first ash removal spray gun is fixedly arranged on the connecting disc, and the air outlet of the first ash removal spray gun penetrates through the connecting disc to be arranged in the mixing section.
Further, the ejector still includes: a first blast pipe; the first air supply pipe is communicated with an air inlet of the first ash removal spray gun.
Further, a first control valve is arranged on the first air supply pipe.
Further, the ejector still includes: a transverse section of the elbow; the elbow transverse section is communicated with the mixing section.
Further, the ejector still includes: a second ash removal spray gun; the air outlet of the second ash removal spray gun is arranged in the elbow transverse section; and the axis of the second ash removal spray gun is parallel to the horizontal pipe section of the elbow horizontal section.
Further, the ejector still includes: a communicating pipe; the communicating pipe is communicated with the elbow transverse section; the middle part of the second ash removal spray gun is fixedly connected with the communicating pipe, and the air outlet of the second ash removal spray gun penetrates through the communicating pipe to be communicated with the elbow transverse section.
Further, the ejector still includes: a second blast pipe; and the second air supply pipe is communicated with an air inlet of the second ash removal spray gun.
Further, a second control valve is arranged on the second air supply pipe.
Further, the ejector still includes: driving the air spray gun; the middle part of the driving air spray gun is fixedly arranged on the connecting disc, and an air outlet of the driving air spray gun penetrates through the connecting disc to be arranged in the mixing section.
Based on the same utility model concept, this application still provides a sleeve kiln, include as the ejector.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
because the fixed top that sets up at the mixing section of connection pad, so, the top through the mixing section supports the connection pad, because the middle part of first deashing spray gun is fixed to be set up on the connection pad, so, support first deashing spray gun through the connection pad, because the air outlet of first deashing spray gun passes the connection pad setting in the mixing section, so, the air outlet of first deashing spray gun sprays the deashing wind to mixing section in, the deposition on the refractory material of mixing section is swept away, can avoid mixing section deposition serious, guarantee cycle gas utilization efficiency, improve the life of ejector, sleeve kiln gas utilization ratio has been passed through, and therefore, the production cost is reduced, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of an ejector according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1, an embodiment of the present invention provides an ejector, including: mixing section 1, connection pad 2 and first deashing spray gun 3.
The connecting disc 2 is fixedly arranged on the top of the mixing section 1.
The middle part of the first ash removal spray gun 3 is fixedly arranged on the connecting disc 2, and the air outlet of the first ash removal spray gun 3 penetrates through the connecting disc 2 and is arranged in the mixing section 1.
This application embodiment is because the fixed top that sets up at mixing section 1 of connection pad 2, so, top support connection pad 2 through mixing section 1, because the middle part of first deashing spray gun 3 is fixed to be set up on connection pad 2, so, support first deashing spray gun 3 through connection pad 2, because the air outlet of first deashing spray gun 3 passes connection pad 2 and sets up in mixing section 1, so, the air outlet of first deashing spray gun 3 sprays the deashing wind to mixing section 1, sweep the deposition on the refractory material of mixing section 1, can avoid mixing section 1 deposition seriously, guarantee cycle gas utilization efficiency, improve the life of ejector, sleeve kiln gas utilization ratio has been passed through, and therefore, the production cost is reduced, and the production efficiency is improved.
Specifically, the ejector still includes: a first blast duct 4.
The first air supply pipe 4 is communicated with an air inlet of the first ash removal spray gun 3, and the first air supply pipe 4 conveys the ash removal medium of an external medium pipe network into the first ash removal spray gun 3. In this embodiment, the ash removal medium may be low pressure nitrogen.
The first air supply pipe 4 is provided with a first control valve 5 for controlling the on-off of the first air supply pipe 4.
Specifically, the ejector still includes: an elbow transverse section 6.
The elbow transverse section 6 is communicated with the mixing section 1 and is used for conveying the circulating gas into the mixing section 1.
Specifically, the ejector still includes: a second ash removal lance 7.
The air outlet setting of second deashing spray gun 7 is in elbow horizontal segment 6, and the air outlet of second deashing spray gun 7 sprays the deashing wind to elbow horizontal segment 6 is interior, sweeps the deposition on the refractory material of elbow horizontal segment 6, can avoid 6 deposition on the elbow horizontal segment serious, and simultaneously, the deashing wind also can get into mixing section 1, guarantees that the deposition on the refractory material of mixing section 1 sweeps totally.
The axis of the second ash removal spray gun 7 is parallel to the horizontal pipe section of the elbow horizontal section 6, so that the ash blowing effect is good.
Specifically, the ejector still includes: the communicating tube 8.
Communicating pipe 8 and elbow horizontal segment 6 intercommunication, the middle part of second deashing spray gun 7 and communicating pipe 8 fixed connection, the air outlet of second deashing spray gun 7 passes communicating pipe 8 and elbow horizontal segment 6 intercommunication, supports second deashing spray gun 7 through communicating pipe 8, guarantees the stability that second deashing spray gun 7 sweeps.
Specifically, the ejector still includes: a second air supply duct 9.
The second air supply pipe 9 is communicated with an air inlet of the second ash removal spray gun 7, and the second air supply pipe 9 conveys the ash removal medium of an external medium pipe network into the second ash removal spray gun 7. In this embodiment, the ash removal medium may be low pressure nitrogen.
The second air supply pipe 9 is provided with a second control valve 10 for controlling the on-off of the second air supply pipe 9.
Specifically, the ejector still includes: the air lance 11 is driven.
The middle part of the driving air spray gun 11 is fixedly arranged on the connecting disc 2, and the air outlet of the driving air spray gun 11 penetrates through the connecting disc 2 to be arranged in the mixing section 1 and is used for supplying driving air to the mixing section 1.
The utility model further provides the sleeve kiln, the ejector is adopted in the sleeve kiln, the specific structure of the ejector refers to the embodiments, and the ejector adopts all the technical schemes of all the embodiments, so that all the beneficial effects brought by the technical schemes of the embodiments are at least achieved, and the detailed description is omitted.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. An ejector, comprising: the mixing section, the connecting disc and the first ash removal spray gun;
the connecting disc is fixedly arranged at the top of the mixing section;
the middle part of the first ash removal spray gun is fixedly arranged on the connecting disc, and the air outlet of the first ash removal spray gun penetrates through the connecting disc to be arranged in the mixing section.
2. The eductor of claim 1 further comprising: a first blast pipe;
the first air supply pipe is communicated with an air inlet of the first ash removal spray gun.
3. The eductor as defined in claim 2, wherein:
and a first control valve is arranged on the first air supply pipe.
4. The eductor of claim 1 further comprising: a transverse section of the elbow;
the elbow transverse section is communicated with the mixing section.
5. The eductor of claim 4 further comprising: a second ash removal spray gun;
the air outlet of the second ash removal spray gun is arranged in the elbow transverse section;
and the axis of the second ash removal spray gun is parallel to the horizontal pipe section of the elbow horizontal section.
6. The eductor of claim 5 further comprising: a communicating pipe;
the communicating pipe is communicated with the elbow transverse section;
the middle part of the second ash removal spray gun is fixedly connected with the communicating pipe, and the air outlet of the second ash removal spray gun penetrates through the communicating pipe to be communicated with the elbow transverse section.
7. The eductor of claim 5 further comprising: a second blast pipe;
and the second air supply pipe is communicated with an air inlet of the second ash removal spray gun.
8. The eductor as defined in claim 7, wherein:
and a second control valve is arranged on the second air supply pipe.
9. The eductor of claim 1 further comprising: driving the air spray gun;
the middle part of the driving air spray gun is fixedly arranged on the connecting disc, and an air outlet of the driving air spray gun penetrates through the connecting disc to be arranged in the mixing section.
10. A sleeve kiln comprising an injector according to any one of claims 1 to 9.
CN202122266065.9U 2021-09-17 2021-09-17 Ejector and sleeve kiln Active CN215766555U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122266065.9U CN215766555U (en) 2021-09-17 2021-09-17 Ejector and sleeve kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122266065.9U CN215766555U (en) 2021-09-17 2021-09-17 Ejector and sleeve kiln

Publications (1)

Publication Number Publication Date
CN215766555U true CN215766555U (en) 2022-02-08

Family

ID=80088940

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122266065.9U Active CN215766555U (en) 2021-09-17 2021-09-17 Ejector and sleeve kiln

Country Status (1)

Country Link
CN (1) CN215766555U (en)

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