CN211854925U - Air supply cooling device for suspension cylinder of malz kiln - Google Patents
Air supply cooling device for suspension cylinder of malz kiln Download PDFInfo
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- CN211854925U CN211854925U CN202020259186.3U CN202020259186U CN211854925U CN 211854925 U CN211854925 U CN 211854925U CN 202020259186 U CN202020259186 U CN 202020259186U CN 211854925 U CN211854925 U CN 211854925U
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Abstract
The utility model discloses a maerz kiln hangs jar air feed cooling device, including having double-cylinder body, parallelly connected butterfly valve on two inlet channel, and parallelly connected pipeline two, be connected with two branch pipelines between two butterfly valves on the pipeline two, the butterfly valve on the branch pipeline one, manual release butterfly valve, urgent diesel oil fan, behind the manual butterfly valve of branch pipeline one, hang jar fan, inlet channel connects manual butterfly valve, hang jar fan, pipeline two stretches out an auxiliary air supply pipeline with at least one department in the inlet channel junction of two cylinders bodies, auxiliary air supply pipeline has established ties in proper order has manual stop valve one, the check valve, electronic butterfly valve one, lead to in the kiln after connecting electronic butterfly valve two all the way behind the manual stop valve two, the fan is connected to the two-way. The utility model discloses can solve current jar air feed device that hangs and easily cause and hang the jar because of lacking the cooling air, receive high temperature deformation, refractory material drops, influences the problem of production.
Description
Technical Field
The utility model belongs to the technical field of steel production equipment manufacturing technique and specifically relates to a cooling device for be used for air feed of malz kiln suspension cylinder system.
Background
The suspension cylinder is a key core device of the malz kiln, as shown in fig. 1, the suspension cylinder is a double cylinder 9 with parallel and mutually communicated inner cavities, each cylinder is provided with an independent air inlet channel 11 and an independent air outlet channel 10, an air supply cooling device generally comprises two pipelines connected in parallel on the air inlet channels 11 of the two cylinders, a first pipeline 21 is provided with a HV1089.1 butterfly valve 6, two branch pipelines are connected between two butterfly valves (hv1083. gv1 butterfly valve 2 and hv1083.gv2 butterfly valve 8) on a second pipeline 22, a branch pipeline with a manual release butterfly valve 3 is connected after the first branch pipeline 23 is provided with the HV1089.1 butterfly valve 6, and finally an emergency diesel fan 5 is connected, a manual butterfly valve 12 is arranged on a second branch pipeline 24 and then connected with an AC109 suspension cylinder fan 7, and the head ends of the air inlet channels of the two cylinders are connected with two suspension cylinder fans (AC 107 suspension cylinder fan 1 and AC108 suspension cylinder fan 13) through the manual butterfly.
Because the wall of the suspension cylinder is made of heat-resistant stainless steel, the inner cavity is positioned at the calcining part of the kiln, and in order to avoid the deformation of the cylinder body structure of the suspension cylinder caused by high temperature, at least 2 suspension cylinder fans (such as an AC107 suspension cylinder fan 1 and an AC108 suspension cylinder fan 13) are needed to respectively and uninterruptedly cool and supply air to the two suspension cylinder bodies of the kiln. In the original kiln system, when the suspension cylinder fan (AC 107 suspension cylinder fan 1 or AC108 suspension cylinder fan 13) is in a failure state, the AC109 suspension cylinder fan 7 or the emergency diesel fan 5 needs to be started, and the HV1089.1 butterfly valve 2 or the HV1089.2 valve 8 needs to be opened, so that the suspension cylinder fan supplies air for cooling to the suspension cylinder. In the process of starting the suspension cylinder fan, if the emergency diesel fan 5 and the AC109 suspension cylinder fan 7, or 1083.GV1 butterfly valve 2, or 1083.GV2 butterfly valve 8 cannot be put into smoothly, the suspension cylinder body cannot be cooled by cooling air, so that the structure of the suspension cylinder is deformed, refractory materials (including castable) fall off, the kiln is stopped to be produced, emptied and overhauled, and great influence is brought to production units.
Disclosure of Invention
The utility model aims to solve the problem that a malz kiln hangs jar air supply cooling device is provided to it is inconvenient to solve current jar air supply device that hangs, easily causes to hang the jar and warp, causes to hang jar refractory material and drops, influences the problem of production.
In order to solve the above problem, the technical scheme of the utility model is that: the air supply cooling device for the suspension cylinder of the Mach-Zehnder kiln comprises double cylinder bodies which are arranged side by side and are communicated with each other through inner cavities, wherein each cylinder body is provided with an independent air inlet channel and an independent air outlet channel which are connected in parallel with a first pipeline and a second pipeline on the air inlet channels of the two cylinder bodies, a first branch pipeline and a second branch pipeline are connected between the two butterfly valves on the second pipeline, the first branch pipeline is provided with a butterfly valve and then connected with a branch pipeline with a manual release butterfly valve, and finally connected with an emergency diesel fan, the first branch pipeline is provided with a manual butterfly valve and then connected with a suspension cylinder fan, the head ends of the air inlet channels of the two cylinder bodies are connected with the two suspension cylinder fans through the manual butterfly valve, the first pipeline and the two air inlet channel joints of the cylinder bodies respectively extend out of an auxiliary air supply pipeline, the auxiliary air supply pipeline is sequentially connected in series with a first manual stop valve, the first branch is connected with a second electric butterfly valve and then leads into the kiln, the second branch is connected with a fan, and the first pipeline is provided with a third electric butterfly valve.
In the above technical solution, a more specific solution may be: and a manual bypass valve is connected in parallel between the first electric butterfly valve and the manual stop valve of the auxiliary air supply pipeline.
Further: and the fan connected to the second branch is a variable-frequency combustion fan.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has:
1. the air supply cooling device for the suspension cylinder of the Mach-Zehnder kiln is based on the original fan device, no additional fan device is added, a combustion-supporting variable frequency fan outlet pipeline in the existing fan room is welded with an AC107 fan or an AC108 fan outlet pipeline, the surplus capacity of the existing standby fan is fully utilized, the stability of the air supply system of the suspension cylinder is improved, and the safety of the kiln is guaranteed;
2. the air supply cooling device for the suspension cylinder of the Macire kiln is provided with a manual butterfly valve, a check valve, an electric butterfly valve and a bypass valve on an auxiliary air supply pipeline respectively, and is provided with a limit switch for feeding back a valve state signal. Under the condition that an AC107 suspension cylinder fan 1 has a fault (an AC108 suspension cylinder fan 13 has a fault), for example, under the condition that an HV1085.1 butterfly valve 4 cannot be opened, a diesel fan cannot be started, air supply into a suspension cylinder body pipeline is influenced, and a suspension cylinder system cannot be cooled; if 1083.GV1 butterfly valve 2 or 1083.GV2 butterfly valve 8 fails to open, the AC109 fan cannot supply air to the suspension cylinder pipe. In this case, the suspension cylinder system can be continuously cooled in the operation interface by opening the electric butterfly valve one (16) leading to the kiln suspension cylinder pipeline, closing the electric butterfly valve two (19) leading to the kiln body, opening the HV1089.1 electric butterfly valve three 26, and turning on the variable frequency combustion fan, together with the AC108 suspension cylinder fan 13 (AC 107 suspension cylinder fan 1).
3. The air supply pipeline of the auxiliary air supply pipeline of the air supply cooling device for the suspension cylinder of the Maerz kiln is provided with the check valve 15, so that the condition that the air speed of a suspension cylinder system flows back into a variable-frequency combustion fan 20 system is avoided, the air supply of the suspension cylinder system is normal, and the furnace kiln can continue to maintain stable production; when the variable-frequency combustion-supporting fan 20 needs to be overhauled, the first manual stop valve 14 can be closed, the fan is dismantled, and the fan is offline for overhauling; when the first electric butterfly valve 16 needs to be dismantled and overhauled, the first cooling manual stop valve 14, the second manual stop valve 17 and the manual bypass valve 18 can be closed at the same time, and dismantling and overhauling are carried out. When the first electric butterfly valve 16 fails, the manual bypass valve 18 can be manually opened to achieve the same bypass air supply function. Meanwhile, the rotating speed of the existing variable-frequency combustion fan 20 is adjusted, so that the cooling air quantity can be freely adjusted, the air quantity is consistent with the air quantity required by the suspension cylinder system, and the safe operation of the suspension cylinder system is maintained.
4. The air supply cooling device HV1089.1 butterfly valve 6 of the suspension cylinder of the Maerz kiln is changed into an electric butterfly valve III 26, so that the electric butterfly valve can be conveniently and electrically opened when the variable-frequency combustion fan 20 is used for supplying air in an interface operation mode, and the electric butterfly valve and the AC107 suspension cylinder fan 1 or the AC108 suspension cylinder fan 13 supply air to two suspension cylinder bodies together.
Drawings
FIG. 1 is a schematic diagram of a prior art configuration;
fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings:
the air supply cooling device of the suspending cylinder of the Macz kiln as shown in figure 2 comprises two cylinder bodies 9 which are arranged side by side and the inner cavities of which are communicated with each other, each cylinder body is provided with an independent air inlet channel 11 and an independent air outlet channel 10, the air supply cooling device generally comprises two pipelines which are connected in parallel on the air inlet channels 11 of the two cylinder bodies, a first pipeline 21 is provided with a third electric butterfly valve 26, two branch pipelines are connected between two butterfly valves (HV1083. GV1 butterfly valve 2 and HV1083.GV2 butterfly valve 8) on a second pipeline 22, a branch pipeline with a manual release butterfly valve 3 is connected after a first branch pipeline 23 is provided with a HV1085.1 butterfly valve 4, and finally an emergency diesel fan 5 is connected, a second branch pipeline 24 is provided with a manual butterfly valve 12 and then connected with an AC109 suspending cylinder fan 7, and the head ends of the air inlet channels of the two cylinder bodies are connected with two suspending cylinder fans (AC 107 suspending cylinder fan 1 and.
An auxiliary air supply pipeline 25 extends out of the joint of the first pipeline 21 and air inlet channels of the two cylinder bodies respectively, the auxiliary air supply pipeline 25 is sequentially connected with a first manual stop valve 14, a check valve 15, a first electric butterfly valve 16 and a second manual stop valve 17 in series, then a first branch and a second branch are branched, the first branch is connected with a second electric butterfly valve 19 and then leads into the kiln, the second branch is connected with a fan, the fan connected to the second branch is a variable-frequency combustion fan 20, a corresponding fan switching program is set, and constant-flow cooling of a suspension cylinder system is achieved by means of the variable-frequency function of the existing combustion-supporting variable-frequency fan. A manual bypass valve 18 is connected in parallel between the first electric butterfly valve 16 and the second manual stop valve 17 on the auxiliary air supply pipeline 25.
Under normal conditions, the AC107 suspension cylinder fan 1 cools the 1# bore suspension cylinder of the Maerz kiln, and the AC108 suspension cylinder fan 13 cools the 2# bore suspension cylinder of the Maerz kiln. The first manual stop valve 14 and the second manual stop valve 17 are in a normally open state, and both opening and closing limit signals are fed back to the system. When the AC107 suspension cylinder fan 1 (the AC108 suspension cylinder fan 13) fails, the AC109 suspension cylinder fan 7 or the emergency diesel fan 5 needs to be started to supply air to the suspension cylinder system pipeline. When the HV1083.1 butterfly valve 2 and the HV1083.2 butterfly valve 8 are in failure or the HV1085.1 butterfly valve 4 is damaged, so that the AC109 suspension cylinder fan 7 and the emergency diesel fan 5 cannot supply air for cooling the suspension cylinder system, the main controller clicks a switching button on a control interface to start a switching control program. The system starts the variable-frequency combustion-supporting fan 20, automatically adjusts the rotating speed of the variable-frequency combustion-supporting fan 20 and controls the rotating speed to be 6500m3And h, opening the first electric butterfly valve 16, closing the second electric butterfly valve 19 leading the variable-frequency combustion-supporting fan 20 to the kiln direction, opening the third HV1089.1 electric butterfly valve 26, and supplying air to and cooling the suspension cylinder system pipeline together with the AC108 suspension cylinder fan 13 (AC 107 suspension cylinder fan 1). This mike's kiln hangs jar air supply cooling device does not increase extra fan equipment on original fan equipment basis, with a combustion-supporting frequency conversion fan outlet pipeline in the current fan room, respectively with AC107 hang jar fan 1, or AC108 hang jar fan 13 outlet pipeline mutually weld, make full use of current spare fan surplus ability, improve the stability of hanging jar air supply system, the security of kiln obtains the guarantee.
Claims (3)
1. The utility model provides a malz kiln hangs jar air feed cooling device, includes the double-cylinder body that just inner chamber communicates each other side by side, every the cylinder body all is equipped with independent inlet air channel and air-out passageway, parallelly connected two pipeline one and pipeline two on the inlet air channel of cylinder body, be connected with branch pipeline one and branch pipeline two between two butterfly valves on the pipeline two, branch pipeline one is equipped with the branch pipeline that connects after the butterfly valve has manual release butterfly valve and connects urgent diesel oil fan at last, be equipped with the connection behind the manual butterfly valve on the branch pipeline two and hang jar fan, two cylinder body inlet air channel's head end all connects two through manual butterfly valve and hangs jar fan, its characterized in that: pipeline one and two the inlet air channel junction of cylinder body respectively stretches out an auxiliary air supply pipeline, branch road one and branch road two are divided after auxiliary air supply pipeline has established ties in proper order and has manual stop valve one, check valve, electronic dish valve one, manual stop valve two, lead to in the kiln behind the electronic dish valve two of branch road one connection, branch road two is connected with the fan, be equipped with electronic butterfly valve three on the pipeline one.
2. The mackinz kiln suspension cylinder air supply cooling device of claim 1, characterized in that: and a manual bypass valve is connected in parallel between the first electric butterfly valve and the manual stop valve of the auxiliary air supply pipeline.
3. The macliz kiln suspension cylinder air supply cooling device according to claim 1 or 2, characterized in that: and the fan connected to the second branch is a variable-frequency combustion fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020259186.3U CN211854925U (en) | 2020-03-05 | 2020-03-05 | Air supply cooling device for suspension cylinder of malz kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020259186.3U CN211854925U (en) | 2020-03-05 | 2020-03-05 | Air supply cooling device for suspension cylinder of malz kiln |
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| Publication Number | Publication Date |
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| CN211854925U true CN211854925U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020259186.3U Active CN211854925U (en) | 2020-03-05 | 2020-03-05 | Air supply cooling device for suspension cylinder of malz kiln |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484508A (en) * | 2020-12-02 | 2021-03-12 | 北京嘉永会通能源科技有限公司 | Adjusting and controlling device for furnace cooling system |
| CN114739187A (en) * | 2022-03-21 | 2022-07-12 | 广西柳钢新材料科技有限公司 | Constant-temperature frequency conversion control system for cooling system of suspension cylinder of Maerz kiln |
-
2020
- 2020-03-05 CN CN202020259186.3U patent/CN211854925U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484508A (en) * | 2020-12-02 | 2021-03-12 | 北京嘉永会通能源科技有限公司 | Adjusting and controlling device for furnace cooling system |
| CN114739187A (en) * | 2022-03-21 | 2022-07-12 | 广西柳钢新材料科技有限公司 | Constant-temperature frequency conversion control system for cooling system of suspension cylinder of Maerz kiln |
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