CN113758297A - Spray gun device of ejector and Bekenbach annular sleeve kiln - Google Patents
Spray gun device of ejector and Bekenbach annular sleeve kiln Download PDFInfo
- Publication number
- CN113758297A CN113758297A CN202111093983.4A CN202111093983A CN113758297A CN 113758297 A CN113758297 A CN 113758297A CN 202111093983 A CN202111093983 A CN 202111093983A CN 113758297 A CN113758297 A CN 113758297A
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- Prior art keywords
- air
- spray gun
- ejector
- communicated
- wall
- Prior art date
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- 239000007921 spray Substances 0.000 title claims abstract description 68
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 230000001939 inductive effect Effects 0.000 claims abstract description 16
- 238000009826 distribution Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 6
- 230000008021 deposition Effects 0.000 abstract description 4
- 239000011819 refractory material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001354 calcination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/008—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag using fluids or gases, e.g. blowers, suction units
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention discloses a spray gun device of an ejector and a Bekenbach annular sleeve kiln, and belongs to the technical field of sleeve kilns. The spray gun device of the ejector comprises: the device comprises a spray gun, an air inducing piece and a plurality of ash cleaning spray heads; the spray gun is communicated with the ejector; the air inducing piece is sleeved on the outer wall of the spray gun, and an air inlet channel is formed between the air inducing piece and the outer wall of the spray gun; the air inducing piece is provided with a plurality of air inlets and a plurality of air outlets, the plurality of air inlets are communicated with the plurality of air outlets through the air inlet channels, the plurality of air outlets are in one-to-one correspondence with the plurality of ash cleaning nozzles, and the air outlets are communicated with the corresponding ash cleaning nozzles; the ash removal spray head is arranged at the mixing section of the ejector. The spray gun device of the ejector and the Bekenbach annular sleeve kiln can avoid serious dust deposition at the mixing section of the ejector, ensure the utilization efficiency of the circulating gas and improve the production efficiency.
Description
Technical Field
The invention relates to the technical field of sleeve kilns, in particular to a spray gun device of an ejector and a Bekenbach annular 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.
Disclosure of Invention
The invention provides a spray gun device of an ejector and a Bekenbach annular 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 problems, the present invention provides a spray gun device of an injector, comprising: the device comprises a spray gun, an air inducing piece and a plurality of ash cleaning spray heads; the spray gun is communicated with the ejector; the air inducing piece is sleeved on the outer wall of the spray gun, and an air inlet channel is formed between the air inducing piece and the outer wall of the spray gun; the air inducing piece is provided with a plurality of air inlets and a plurality of air outlets, the plurality of air inlets are communicated with the plurality of air outlets through the air inlet channels, the plurality of air outlets are in one-to-one correspondence with the plurality of ash cleaning nozzles, and the air outlets are communicated with the corresponding ash cleaning nozzles; the ash removal spray head is arranged at the mixing section of the ejector.
Further, the spray gun comprises: an inner sleeve and a gun head; the inner sleeve is fixedly connected with the gun head; a first driving air channel is formed in the inner sleeve, a second driving air channel is formed in the gun head, and the first driving air channel is communicated with the second driving air channel.
Furthermore, a positioning groove is formed in the circumferential surface of the inner sleeve, which faces the end surface of the gun head; a positioning block is fixedly arranged on the circumferential surface of the gun head facing the end surface of the inner sleeve; the positioning block is fixedly arranged in the positioning groove.
Further, the induced draft piece includes: a gas collection tank and an outer sleeve; the gas collection box is fixedly connected with the outer sleeve; the gas collection box and the outer sleeve are sleeved on the outer wall of the spray gun.
Furthermore, a plurality of air inlet connectors are fixedly arranged on the air collection box; the plurality of air inlet joints are in one-to-one correspondence with the plurality of air inlets, and the air inlet joints are communicated with the corresponding air inlets.
Further, the induced draft piece still includes: an end cap; the first end of the end cover is fixedly connected with the end face, deviating from the gas collection box, of the outer sleeve, and the second end of the end cover is fixedly connected with the outer wall of the spray gun.
Further, the induced draft piece still includes: an air distribution plate; the gas collection box is fixedly connected with the outer sleeve through the air distribution plate, and the air distribution plate is fixedly connected with the outer sleeve.
Furthermore, a plurality of vent holes are formed in the air distribution plate; the gas collection box is communicated with the outer sleeve through a plurality of vent holes.
Furthermore, a space is reserved between the outer wall of the ash removal spray head and the inner wall of the mixing section of the ejector.
Based on the same inventive concept, the application also provides the Bekenbach annular sleeve kiln, which comprises the spray gun device of 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 spray gun is communicated with the ejector, driving air is supplied to the ejector through the spray gun, the induced air piece is sleeved on the outer wall of the spray gun, an air inlet channel is formed between the induced air piece and the outer wall of the spray gun at a distance, a plurality of air inlets and a plurality of air outlets are formed in the induced air piece, the plurality of air inlets are communicated with the plurality of air outlets through the air inlet channel, the plurality of air outlets are in one-to-one correspondence with the plurality of ash cleaning nozzles, the air outlets are communicated with corresponding ash cleaning nozzles, and the ash cleaning nozzles are arranged in the mixing section of the ejector, so that the ash cleaning air is supplied to the air inlet channel through the air inlets and enters the ash cleaning nozzles through the air outlets, the ash cleaning nozzles can automatically sweep ash deposited on the refractory material in the mixing section of the ejector through the ash cleaning air, the ash deposition in the mixing section of the ejector can be avoided, the cyclic gas utilization efficiency is ensured, the service life of the ejector is prolonged, and the gas utilization rate of the sleeve kiln is increased, the production cost is reduced, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a spray gun device of an ejector according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a positioning block of a spray gun device of the ejector in fig. 1.
Detailed Description
Referring to fig. 1, a spray gun apparatus of an injector provided in an embodiment of the present invention includes: spray gun 1, induced air spare 2 and a plurality of deashing shower nozzles 3.
The spray gun 1 is communicated with the ejector.
The outer wall of the spray gun 1 is sleeved with the induced air piece 2, and an air inlet channel is formed between the induced air piece 2 and the outer wall of the spray gun 1.
A plurality of air inlets and a plurality of air outlets are formed in the induced air piece 2, the air inlets are communicated with the air outlets through air inlet channels, the air outlets are in one-to-one correspondence with the ash removal nozzles 3, and the air outlets are communicated with the corresponding ash removal nozzles 3.
The ash cleaning spray head 3 is arranged at the mixing section of the ejector.
In the embodiment of the application, as the spray gun 1 is communicated with the ejector, driving air is supplied to the ejector through the spray gun 1, the induced air piece 2 is sleeved on the outer wall of the spray gun 1, an air inlet channel is formed between the induced air piece 2 and the outer wall of the spray gun 1 at a distance, a plurality of air inlets and a plurality of air outlets are formed in the induced air piece 2, the plurality of air inlets are communicated with the plurality of air outlets through the air inlet channel, the plurality of air outlets are in one-to-one correspondence with the plurality of ash removal nozzles 3, the air outlets are communicated with the corresponding ash removal nozzles 3, the ash removal nozzles 3 are arranged at the mixing section of the ejector, so that the ash removal air is supplied to the air inlet channel through the air inlets, the ash removal air enters the ash removal nozzles 3 through the air outlets, the ash removal nozzles 3 automatically sweep ash deposition on refractory materials at the mixing section of the ejector through the ash removal air, the serious ash deposition at the mixing section of the ejector can be avoided, and the utilization efficiency of circulating gas is ensured, the service life of the ejector is prolonged, the gas utilization rate of the sleeve kiln is increased, the production cost is reduced, and the production efficiency is improved.
Specifically, the spray gun 1 includes: an inner sleeve 1-1 and a gun head 1-2.
The inner sleeve 1-1 is fixedly connected with the gun head 1-2.
A first driving air channel is formed in the inner sleeve 1-1, a second driving air channel is formed in the gun head 1-2, the first driving air channel is communicated with the second driving air, and the driving air enters the ejector from the first driving air channel and the second driving air channel.
Referring to fig. 2, the circumferential surface of the end surface of the inner sleeve 1-1 facing the gun head 1-2 is provided with positioning grooves. The circumferential surface of the gun head 1-2 facing the end surface of the inner sleeve 1-1 is fixedly provided with a positioning block 4. The positioning block 4 is fixedly arranged in the positioning groove.
In the embodiment, the gun head 1-2 is heated, the positioning block 4 is fixedly arranged in the positioning groove by a hot assembly method, the coaxiality requirement of the inner sleeve 1-1 and the gun head 1-2 after installation is ensured by the positioning function of the positioning block 4 and the positioning groove, and after the inner sleeve 1-1 and the gun head 1-2 are cooled, the outer side of the connecting and combining surface of the positioning block 4 and the positioning groove is subjected to broken welding, so that the connecting reliability of the inner sleeve 1-1 and the gun head 1-2 is further improved.
Specifically, the air inducing member 2 includes: a gas collection box 2-1 and an outer sleeve 2-2.
The gas collection box 2-1 is fixedly connected with the outer sleeve 2-2, so that the gas collection box 2-1 and the outer sleeve 2-2 are conveniently arranged on the outer wall of the spray gun 1.
The gas collection box 2-1 and the outer sleeve 2-2 are both sleeved on the outer wall of the spray gun 1. In the embodiment, a plurality of air inlets are formed in the air collecting box 2-1, a plurality of air inlets are uniformly arranged on the air collecting box 2-1 at equal angles at intervals to ensure uniform air inlet, a plurality of air outlets are formed in the outer sleeve 2-2, and a plurality of air outlets are uniformly arranged on the outer sleeve 2-2 at equal angles at intervals to ensure uniform air outlet.
Specifically, a plurality of air inlet connectors 5 are fixedly arranged on the air collection box 2-1, the air inlet connectors 5 correspond to the air inlets one by one, the air inlet connectors 5 are communicated with the corresponding air inlets and communicated with an external air source through the air inlet connectors 5, and accordingly ash removing air enters the air collection box 2-1 through the air inlet connectors 5 and the air inlets.
The induced draft piece 2 further includes: and 2-3 of an end cover.
The first end of the end cover 2-3 is fixedly connected with the end face, away from the gas collection box 2-1, of the outer sleeve 2-2, the second end of the end cover 2-3 is fixedly connected with the outer wall of the spray gun 1, the end face, away from the gas collection box 2-1, of the outer sleeve 2-2 is sealed through the end cover 2-3, and dust removing air is guaranteed to enter the dust removing spray head 3.
The induced draft piece 2 further includes: and 2-4 of an air distribution plate.
The gas collecting box 2-1 is fixedly connected with the outer sleeve 2-2 through an air distribution plate 2-4, and the air distribution plate 2-4 is fixedly connected with the outer sleeve 2-2. The air distribution plate 2-4 is provided with a plurality of vent holes. In the embodiment, a plurality of vent holes are uniformly arranged on the air distribution plate 2-4 at equal angular intervals. The gas collecting box 2-1 is communicated with the outer sleeve 2-4 through a plurality of vent holes.
The deashing air entering the gas collection box 2-1 reaches the outer sleeve 2-2 through the air inlet channel and the plurality of air vents, then enters the deashing spray head 3 through the air outlet, and uniformly enters the outer sleeve 2-2 through the air distribution plate 2-4, so that the purging effect is ensured, and the purging efficiency is improved.
Specifically, there is the interval between the outer wall of deashing shower nozzle 3 and the inner wall of the mixing section of ejector, makes the deashing wind that deashing shower nozzle 3 sprays not blow to the refractory material of the mixing section of ejector on, guarantees refractory material's safety, avoids influencing refractory material's life. In the embodiment, the distance between the outer wall of the ash removal spray head 3 and the inner wall of the mixing section of the ejector is 20-30 mm.
The invention further provides the beckenbach annular sleeve kiln, the spray gun device of the ejector is adopted, the specific structure of the spray gun device of the ejector refers to the embodiment, and the spray gun device of 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 details are 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. A spray gun device of an ejector is characterized by comprising: the device comprises a spray gun, an air inducing piece and a plurality of ash cleaning spray heads;
the spray gun is communicated with the ejector;
the air inducing piece is sleeved on the outer wall of the spray gun, and an air inlet channel is formed between the air inducing piece and the outer wall of the spray gun;
the air inducing piece is provided with a plurality of air inlets and a plurality of air outlets, the plurality of air inlets are communicated with the plurality of air outlets through the air inlet channels, the plurality of air outlets are in one-to-one correspondence with the plurality of ash cleaning nozzles, and the air outlets are communicated with the corresponding ash cleaning nozzles;
the ash removal spray head is arranged at the mixing section of the ejector.
2. The injector lance arrangement of claim 1, wherein the lance comprises: an inner sleeve and a gun head;
the inner sleeve is fixedly connected with the gun head;
a first driving air channel is formed in the inner sleeve, a second driving air channel is formed in the gun head, and the first driving air channel is communicated with the second driving air channel.
3. The ejector spray gun device of claim 2, wherein:
the circumferential surface of the inner sleeve facing the end surface of the gun head is provided with a positioning groove;
a positioning block is fixedly arranged on the circumferential surface of the gun head facing the end surface of the inner sleeve;
the positioning block is fixedly arranged in the positioning groove.
4. The injector lance arrangement of claim 1 wherein the air-inducing member comprises: a gas collection tank and an outer sleeve;
the gas collection box is fixedly connected with the outer sleeve;
the gas collection box and the outer sleeve are sleeved on the outer wall of the spray gun.
5. The ejector spray gun device of claim 4, wherein:
a plurality of air inlet connectors are fixedly arranged on the air collection box;
the plurality of air inlet joints are in one-to-one correspondence with the plurality of air inlets, and the air inlet joints are communicated with the corresponding air inlets.
6. The injector lance arrangement of claim 4 wherein the air-inducing member further comprises: an end cap;
the first end of the end cover is fixedly connected with the end face, deviating from the gas collection box, of the outer sleeve, and the second end of the end cover is fixedly connected with the outer wall of the spray gun.
7. The injector lance arrangement of claim 4 wherein the air-inducing member further comprises: an air distribution plate;
the gas collection box is fixedly connected with the outer sleeve through the air distribution plate, and the air distribution plate is fixedly connected with the outer sleeve.
8. The ejector spray gun device of claim 6, wherein:
a plurality of vent holes are formed in the air distribution plate;
the gas collection box is communicated with the outer sleeve through a plurality of vent holes.
9. The ejector spray gun device of claim 1, wherein:
and a space is reserved between the outer wall of the ash removal spray head and the inner wall of the mixing section of the ejector.
10. A beckenbach annular sleeve kiln, characterised by comprising the injector lance arrangement of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093983.4A CN113758297A (en) | 2021-09-17 | 2021-09-17 | Spray gun device of ejector and Bekenbach annular sleeve kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093983.4A CN113758297A (en) | 2021-09-17 | 2021-09-17 | Spray gun device of ejector and Bekenbach annular sleeve kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113758297A true CN113758297A (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111093983.4A Pending CN113758297A (en) | 2021-09-17 | 2021-09-17 | Spray gun device of ejector and Bekenbach annular sleeve kiln |
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| Country | Link |
|---|---|
| CN (1) | CN113758297A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885249A (en) * | 2015-12-16 | 2017-06-23 | 天津春辉兴科技有限责任公司 | A kind of shower nozzle for fuel gas pulse ash blower device |
| CN108821615A (en) * | 2018-07-13 | 2018-11-16 | 江苏中圣园科技股份有限公司 | Annular lime kiln injector |
| CN209576252U (en) * | 2019-02-03 | 2019-11-05 | 洛阳帝博石化装备有限公司 | A kind of denitration spray gun |
| CN211339309U (en) * | 2019-10-24 | 2020-08-25 | 首钢集团有限公司 | Nozzle, ejector and annular sleeve kiln |
| CN111592241A (en) * | 2020-05-28 | 2020-08-28 | 江苏中圣园科技股份有限公司 | Low NO for sleeve kilnxCombustion process and low NOxBurning sleeve kiln |
-
2021
- 2021-09-17 CN CN202111093983.4A patent/CN113758297A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885249A (en) * | 2015-12-16 | 2017-06-23 | 天津春辉兴科技有限责任公司 | A kind of shower nozzle for fuel gas pulse ash blower device |
| CN108821615A (en) * | 2018-07-13 | 2018-11-16 | 江苏中圣园科技股份有限公司 | Annular lime kiln injector |
| CN209576252U (en) * | 2019-02-03 | 2019-11-05 | 洛阳帝博石化装备有限公司 | A kind of denitration spray gun |
| CN211339309U (en) * | 2019-10-24 | 2020-08-25 | 首钢集团有限公司 | Nozzle, ejector and annular sleeve kiln |
| CN111592241A (en) * | 2020-05-28 | 2020-08-28 | 江苏中圣园科技股份有限公司 | Low NO for sleeve kilnxCombustion process and low NOxBurning sleeve kiln |
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| PB01 | Publication | ||
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Application publication date: 20211207 |