CN209801435U - Ash cleaning and dosing device for marine waste gas waste heat boiler - Google Patents
Ash cleaning and dosing device for marine waste gas waste heat boiler Download PDFInfo
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- CN209801435U CN209801435U CN201920261457.6U CN201920261457U CN209801435U CN 209801435 U CN209801435 U CN 209801435U CN 201920261457 U CN201920261457 U CN 201920261457U CN 209801435 U CN209801435 U CN 209801435U
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Abstract
The utility model discloses an deashing charge device for marine exhaust gas exhaust-heat boiler, include: a add medicinal cupping for holding decoking deashing agent, the bottom that adds the medicinal cupping is provided with out the medicine mouth, still including the spray tube, the one end of spray tube is the inlet port, and the other end is the discharge port, is provided with the nozzle in the spray tube, and the nozzle is one section cone-shaped pipe that reduces gradually to exhaust port direction bore by the inlet port, and the large-bore end of nozzle is linked together with the inlet port of spray tube, and the small-bore end of nozzle is the nozzle export, and the nozzle export is linked together with the inner chamber of spray tube, the inlet port be used for inputing compressed air, the discharge port be used for being connected with the boiler, the play medicine mouth that adds the medicinal cupping is linked together with the inner chamber of spray tube. The utility model has the advantages that: the device can perform the ash and coke removing operation under the condition of no shutdown, and the ash and coke removing agent is uniformly distributed on the outer wall of the heat exchange tube along with high-temperature waste gas, so that the ash removing effect is good, and the high-efficiency operation of the boiler is ensured.
Description
Technical Field
The utility model relates to a marine boiler field especially relates to marine exhaust gas waste heat boiler.
Background
The marine exhaust gas waste heat boiler mainly utilizes high-temperature exhaust gas generated by a diesel engine. Under the scouring action of high-temperature flue gas, after the marine exhaust gas waste heat boiler works for a period of time, soot hard scale can be formed on the pipe wall of the heat exchange pipe bundle, so that the heat exchange effect is influenced. At present, the ash removal work in the boiler is mainly manually cleaned after workers enter the boiler, so that the ash removal work load is large, the work is complicated, and the shutdown time is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the ash removal and dosing device for the marine exhaust gas waste heat boiler can effectively remove ash scales.
In order to achieve the above object, the utility model adopts the following technical scheme: a deashing charge device for marine waste gas exhaust-heat boiler includes: a add medicinal cupping for holding decoking deashing agent, the bottom that adds the medicinal cupping is provided with out the medicine mouth, still including the spray tube, the one end of spray tube is the inlet port, and the other end is the discharge port, is provided with the nozzle in the spray tube, and the nozzle is one section cone-shaped pipe that reduces gradually to exhaust port direction bore by the inlet port, and the large-bore end of nozzle is linked together with the inlet port of spray tube, and the small-bore end of nozzle is the nozzle export, and the nozzle export is linked together with the inner chamber of spray tube, the inlet port be used for inputing compressed air, the discharge port be used for being connected with the boiler, the play medicine mouth that adds the medicinal cupping is linked together with the inner chamber of spray tube.
Further, aforementioned an ash removal charge device for marine exhaust gas exhaust-heat boiler, wherein, the medicine outlet of adding the medicinal cupping is provided with first connecting pipe, is connected with the second connecting pipe on the body of spray tube, is connected through first ball valve between first connecting pipe and the second connecting pipe.
Further, in the ash removal dosing device for the marine exhaust gas waste heat boiler, an air inlet connecting pipe is arranged on an air inlet port of the spraying pipe, an air inlet control ball valve is arranged on the air inlet connecting pipe, and compressed air is input into the nozzle through the air inlet connecting pipe.
Further, in the ash removal dosing device for the marine exhaust gas waste heat boiler, the discharge port of the spray pipe is connected with the discharge connection pipe, the outer end part of the discharge connection pipe is provided with the connection flange, the connection flange is used for being connected with the boiler body of the boiler, and the discharge connection pipe is provided with the discharge control ball valve.
Further, according to the ash removal and dosing device for the marine exhaust gas waste heat boiler, the top of the dosing tank is provided with the dosing cover, the dosing cover is connected to the top of the dosing tank in a threaded manner, the top of the dosing cover is provided with the needle valve, and the decoking ash removal agent is conveyed into the dosing tank through the needle valve.
Further, aforementioned an deashing charge device for marine exhaust gas exhaust-heat boiler, wherein, the second connecting pipe is perpendicular to and the body setting of spray tube to make the decoking deashing agent get into in the spray tube perpendicular to the blowout direction of nozzle exit.
The utility model has the advantages that: the structure is simple, the manufacturing cost is low, and the installation is very convenient. And secondly, the ash and coke removing work can be carried out under the condition of no shutdown. And thirdly, the decoking ash cleaning agent is uniformly distributed on the outer wall of the heat exchange tube along with the high-temperature waste gas, and the ash cleaning effect is good, so that the high-efficiency operation of the boiler is ensured.
Drawings
FIG. 1 is a schematic diagram of a deashing charge device for a marine exhaust gas waste heat boiler.
Detailed Description
The invention will be described in further detail with reference to the drawings and preferred embodiments.
As shown in fig. 1, the ash cleaning and dosing device for the marine exhaust gas waste heat boiler comprises: a with medicine jar 1 for holding decoking deashing agent, the top of adding medicine jar 1 is provided with medicine lid 13, adds medicine lid 13 threaded connection and sets up at the top of adding medicine jar 1, and the bottom of adding medicine jar 1 is provided with out medicine mouth 11, still including spray tube 2, and the one end of spray tube 2 is inlet port 21, and the other end is discharge port 22, is provided with nozzle 3 in the spray tube 2. The nozzle 3 is a section of conical pipe with the caliber gradually reduced from the air inlet port 21 to the air outlet port 22, the large-caliber end of the nozzle 3 is communicated with the air inlet port 21 of the spray pipe 2, the small-caliber end of the nozzle 3 is a nozzle outlet 31, and the nozzle outlet 31 is communicated with the inner cavity of the spray pipe 2. The inlet port 21 is used for inputting compressed air, the outlet port 22 is used for connecting with a boiler, and the medicine outlet 11 of the medicine adding tank 1 is communicated with the inner cavity of the medicine spraying pipe 2.
Specifically, a first connecting pipe 12 is arranged at a medicine outlet 11 of the medicine adding tank 1, a second connecting pipe 23 is connected to a pipe body of the medicine spraying pipe 2, and the first connecting pipe 12 is connected with the second connecting pipe 23 through a first ball valve 4. In this embodiment, the second connecting pipe 23 is perpendicular to the pipe body of the spraying pipe 2, so that the decoking ash-removing agent enters the spraying pipe 2 perpendicular to the spraying direction of the nozzle outlet 31.
An air inlet connecting pipe 5 is arranged on an air inlet port 21 of the pesticide spraying pipe 2, an air inlet control ball valve 51 is arranged on the air inlet connecting pipe 5, and compressed air is input into the nozzle 3 through the air inlet connecting pipe 5.
The discharge port 22 of the spray pipe 2 is connected with a discharge connection pipe 6, the outer end part of the discharge connection pipe 6 is provided with a connection flange 61, the connection flange 61 is used for being connected with the furnace body of the boiler, and the discharge connection pipe 6 is provided with a discharge control ball valve 62.
The working principle is as follows: the ash cleaning and dosing device is arranged on a dosing port of the boiler body through a connecting flange 61. The decoking ash-cleaning agent is mixed in the medicine adding tank 1 in advance for standby. When the boiler needs to be decoked and cleaned, the first ball valve 4, the air inlet control ball valve 51 and the discharge control ball valve 62 are opened, and the decoking and cleaning agent in the chemical feeding tank 1 enters the inner cavity of the chemical spraying pipe 2 through the chemical outlet 11 and the first ball valve 4; compressed air enters the nozzle 3 through the air inlet control ball valve 51 and the air inlet connecting pipe 5, the pressure of the compressed air is usually 4 bar-7 bar, and then the compressed air is sprayed out from the nozzle outlet 31 of the nozzle 3; under the pressure action of compressed air, the decoking ash-cleaning agent enters the boiler through the discharge port 22 of the spray pipe 2, the discharge connecting pipe 6 and the discharge control ball valve 62 in sequence. The decoking and ash removing agent entering the boiler is mixed in the high-temperature waste gas and is uniformly distributed on the pipe wall of the heat exchange pipe in the boiler along with the flowing of the high-temperature waste gas, so that the effects of removing ash and decoking are achieved.
The utility model has the advantages that: the structure is simple, the manufacturing cost is low, and the installation is very convenient. And secondly, the ash and coke removing work can be carried out under the condition of no shutdown. And thirdly, the decoking ash cleaning agent is uniformly distributed on the outer wall of the heat exchange tube along with the high-temperature waste gas, and the ash cleaning effect is good, so that the high-efficiency operation of the boiler is ensured.
Claims (6)
1. A deashing charge device for marine waste gas exhaust-heat boiler includes: a add medicinal cupping for holding decoking deashing agent, the bottom that adds the medicinal cupping is provided with out medicine mouth, its characterized in that: still including the spray tube, the one end of spray tube is the inlet port, and the other end is the discharge port, is provided with the nozzle in the spray tube, and the nozzle is one section cone-shaped pipe that reduces gradually to exhaust port direction bore by the inlet port, and the big aperture end of nozzle is linked together with the inlet port of spray tube, and the small aperture end of nozzle is the nozzle export, and the nozzle export is linked together with the inner chamber of spray tube, the inlet port be used for inputing compressed air, the discharge port be used for being connected with the boiler, the play medicine mouth that adds the medicinal cupping is linked together with the inner chamber of spray tube.
2. The ash removal and dosing device for the marine exhaust gas waste heat boiler according to claim 1, characterized in that: the medicine outlet of the medicine feeding tank is provided with a first connecting pipe, the pipe body of the medicine spraying pipe is connected with a second connecting pipe, and the first connecting pipe and the second connecting pipe are connected through a first ball valve.
3. The ash removal and dosing device for the marine exhaust gas waste heat boiler according to claim 1, characterized in that: an air inlet connecting pipe is arranged on an air inlet port of the pesticide spraying pipe, an air inlet control ball valve is arranged on the air inlet connecting pipe, and compressed air is input into the nozzle through the air inlet connecting pipe.
4. The ash removal and dosing device for the marine exhaust gas waste heat boiler according to claim 1, 2 or 3, characterized in that: the discharge port of the spray pipe is connected with a discharge connecting pipe, the outer end part of the discharge connecting pipe is provided with a connecting flange, the connecting flange is used for being connected with a furnace body of a boiler, and a discharge control ball valve is arranged on the discharge connecting pipe.
5. The ash removal and dosing device for the marine exhaust gas waste heat boiler according to claim 1, 2 or 3, characterized in that: the top of the dosing tank is provided with a dosing cover, the dosing cover is in threaded connection with the top of the dosing tank, a needle valve is arranged at the top of the dosing cover, and a decoking ash removing agent is conveyed into the dosing tank through the needle valve.
6. The ash removal and dosing device for the marine exhaust gas waste heat boiler according to claim 2, characterized in that: the second connecting pipe is vertical to the pipe body of the spraying pipe, so that the decoking and ash removing agent enters the spraying pipe in a direction vertical to the spraying direction of the nozzle outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261457.6U CN209801435U (en) | 2019-03-01 | 2019-03-01 | Ash cleaning and dosing device for marine waste gas waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261457.6U CN209801435U (en) | 2019-03-01 | 2019-03-01 | Ash cleaning and dosing device for marine waste gas waste heat boiler |
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| Publication Number | Publication Date |
|---|---|
| CN209801435U true CN209801435U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920261457.6U Active CN209801435U (en) | 2019-03-01 | 2019-03-01 | Ash cleaning and dosing device for marine waste gas waste heat boiler |
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| CN (1) | CN209801435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751583A (en) * | 2019-03-01 | 2019-05-14 | 张家港海陆沙洲科技有限公司 | Deashing chemicals dosing plant for waste gas residual heat boiler peculiar to vessel |
-
2019
- 2019-03-01 CN CN201920261457.6U patent/CN209801435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751583A (en) * | 2019-03-01 | 2019-05-14 | 张家港海陆沙洲科技有限公司 | Deashing chemicals dosing plant for waste gas residual heat boiler peculiar to vessel |
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