CN109339904B - Exhaust cooling system of monorail crane high-power explosion-proof diesel engine - Google Patents
Exhaust cooling system of monorail crane high-power explosion-proof diesel engine Download PDFInfo
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- CN109339904B CN109339904B CN201811336072.8A CN201811336072A CN109339904B CN 109339904 B CN109339904 B CN 109339904B CN 201811336072 A CN201811336072 A CN 201811336072A CN 109339904 B CN109339904 B CN 109339904B
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- exhaust
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- diesel engine
- gas cooler
- cooling system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/0205—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/06—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for extinguishing sparks
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to the technical field of monorail crane high-power explosion-proof diesel engine equipment, in particular to a monorail crane high-power explosion-proof diesel engine exhaust cooling system. The system comprises a first exhaust pipe, an exhaust gas cooler, a second exhaust pipe and a wet-type tail gas cooler; one end of the first exhaust pipe is communicated with the diesel engine, and the other end of the first exhaust pipe is communicated with the exhaust gas cooler; one end of the second exhaust pipe is communicated with the waste gas cooler, and the other end of the second exhaust pipe is communicated with the wet tail gas cooler; a flame arrester is communicated between the second exhaust pipe and the exhaust gas cooler; and a spark catcher is communicated between the second exhaust pipe and the wet tail gas cooler. The invention aims to solve the technical problem of overhigh exhaust temperature of the explosion-proof diesel engine, and further provides a monorail crane high-power explosion-proof diesel engine exhaust cooling system which can effectively reduce the exhaust temperature of the explosion-proof diesel engine.
Description
Technical Field
The invention relates to the technical field of monorail crane high-power explosion-proof diesel engine equipment, in particular to a monorail crane high-power explosion-proof diesel engine exhaust cooling system.
Background
The temperature of the tail gas of the high-power explosion-proof diesel engine discharged after passing through the spark catcher is required to be lower than 150 ℃, so that the cooling circulation system of the diesel engine is required to cool an exhaust system besides a main engine of the diesel engine.
At present, the technical scheme adopted by the domestic explosion-proof diesel engine exhaust cooling system generally comprises the following steps: for example, a utility model patent of a mining dry explosion-proof diesel engine exhaust system with publication number CN 202645697U; the invention patent of 'an explosion-proof diesel engine cooling circulation system for coal mine' with the publication number of CN 103758624A; the invention patent of 'internal and external double circulation water cooling system high-power explosion-proof diesel engine' with the publication number of CN 103603717A; the invention patent of 'a high-power explosion-proof diesel engine' with the publication number of CN103233799A and other disclosed prior arts mostly concentrate on the improvement on the basis of the original engine system, for example, on the basis of the original engine cooling system of the explosion-proof diesel engine, an independent radiator is adopted, a water pump is adopted to cool an exhaust system, the structure of an exhaust gas purification box in the exhaust cooling system is researched, the radius of an exhaust pipe in the exhaust gas purification box is optimally designed, and the like, and the improved exhaust temperature is still overhigh.
Disclosure of Invention
The invention aims to solve the technical problem of overhigh exhaust temperature of the explosion-proof diesel engine, and further provides a monorail crane high-power explosion-proof diesel engine exhaust cooling system which can effectively reduce the exhaust temperature of the explosion-proof diesel engine.
The purpose of the invention is realized by the following technical scheme:
a monorail crane high-power explosion-proof diesel engine exhaust cooling system comprises a first exhaust pipe, an exhaust gas cooler, a second exhaust pipe and a wet-type tail gas cooler; one end of the first exhaust pipe is communicated with the diesel engine, and the other end of the first exhaust pipe is communicated with the exhaust gas cooler; one end of the second exhaust pipe is communicated with the waste gas cooler, and the other end of the second exhaust pipe is communicated with the wet tail gas cooler; a flame arrester is communicated between the second exhaust pipe and the exhaust gas cooler; and a spark catcher is communicated between the second exhaust pipe and the wet tail gas cooler.
Further, the wet-type tail gas cooler comprises a box body and a cover plate, wherein the upper part of the box body is provided with an air inlet, an air outlet and a liquid injection port, and the lower part of the box body is provided with a liquid discharge port; an air inlet pipe is arranged in the box body, and one end of the air inlet pipe is communicated with the air inlet.
Furthermore, a pressure equalizing box and a plurality of air inlet branch pipes are arranged in the box body; one end of the pressure equalizing box is communicated with the air inlet pipe, and the other end of the pressure equalizing box is communicated with the air inlet branch pipe.
Furthermore, a flow stabilizing plate is installed at the bottom end of the air inlet branch pipe.
Furthermore, a sealing gasket is arranged between the box body and the cover plate.
Furthermore, a partition board is arranged on the inner wall of the box body.
Furthermore, a heat dissipation plate is arranged on the outer wall of the box body.
Furthermore, a hose with a water jacket is communicated between the spark catcher and the wet-type tail gas cooler.
Furthermore, the water jacket hose is communicated between the first exhaust pipe and the exhaust gas cooler.
Further, the hose with the water jacket is made of a double-layer corrugated pipe.
Compared with the prior art, the invention has the following advantages:
1. the invention relates to an exhaust cooling system of a monorail crane high-power explosion-proof diesel engine, which comprises a first exhaust pipe, an exhaust gas cooler, a second exhaust pipe and a wet tail gas cooler, wherein the first exhaust pipe is connected with the exhaust gas cooler; one end of the first exhaust pipe is communicated with the diesel engine, and the other end of the first exhaust pipe is communicated with the exhaust gas cooler; one end of the second exhaust pipe is communicated with the waste gas cooler, and the other end of the second exhaust pipe is communicated with the wet tail gas cooler; a flame arrester is communicated between the second exhaust pipe and the exhaust gas cooler; a spark catcher is communicated between the second exhaust pipe and the wet tail gas cooler; the exhaust gas cooler and the wet tail gas cooler are used for cooling an exhaust system twice, so that the exhaust temperature of the diesel engine tail gas is effectively reduced, and the national standard requirement is met.
2. The wet-type tail gas cooler comprises a box body and a cover plate, wherein the upper part of the box body is provided with an air inlet, an air outlet and a liquid injection port, and the lower part of the box body is provided with a liquid discharge port; an air inlet pipe is arranged in the box body, and one end of the air inlet pipe is communicated with the air inlet; the box with constitute the stock solution chamber between the apron, through annotate the liquid mouth to the coolant liquid is annotated to the stock solution intracavity, diesel engine tail gas passes through the air inlet the intake pipe gets into in the stock solution chamber, with coolant liquid hybrid contact, can effectively reduce the temperature of tail gas to have fine extinction spark and the effect of absorbing the dust, tail gas after the cooling purification passes through the gas outlet is discharged, and the coolant liquid passes through the drain is discharged.
Drawings
FIG. 1 is a structural diagram of an exhaust cooling system of a monorail crane high-power explosion-proof diesel engine;
FIG. 2 is a block diagram of a wet tail gas cooler according to the present invention;
the device comprises a diesel engine 1, a first exhaust pipe 2, a water jacket hose 3, a flame arrester 4, an exhaust gas cooler 5, a second exhaust pipe 6, a spark catcher 7, a wet exhaust gas cooler 8, a cover plate 801, a box 802, a liquid injection port 803, a liquid discharge port 804, an air inlet 805, an air inlet pipe 806, a pressure equalizing box 807, a sealing gasket 808, an air outlet 809, an air inlet branch pipe 810, a heat dissipation plate 811, a clapboard 812 and a flow stabilizing plate 813.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the exhaust cooling system of the monorail crane high-power explosion-proof diesel engine comprises a first exhaust pipe 2, an exhaust gas cooler 5, a second exhaust pipe 6 and a wet tail gas cooler 8; one end of the first exhaust pipe is communicated with the diesel engine 1, and the other end of the first exhaust pipe is communicated with the exhaust gas cooler; one end of the second exhaust pipe is communicated with the waste gas cooler, and the other end of the second exhaust pipe is communicated with the wet tail gas cooler; the exhaust gas cooler and the wet tail gas cooler are used for cooling an exhaust system twice, so that the exhaust temperature of the diesel engine tail gas is effectively reduced, and the national standard requirement is met; a flame arrester 4 is communicated between the second exhaust pipe and the exhaust gas cooler; the flame arrester can block the propagation of flame, and the safety of the diesel engine is ensured; a spark catcher 7 is communicated between the second exhaust pipe and the wet tail gas cooler; the spark catcher can eliminate sparks in the tail gas so as to avoid burning the wet tail gas cooler; the spark catcher, the flame arrester and the exhaust gas cooler are all existing equipment, and the invention protects the connection relationship among the spark catcher, the flame arrester and the exhaust gas cooler.
Referring to fig. 1 and 2, the wet-type tail gas cooler of the present invention includes a tank body 802 and a cover plate 801, wherein the upper portion of the tank body is provided with an air inlet 805, an air outlet 809 and a liquid injection port 803, and the lower portion of the tank body is provided with a liquid discharge port 804; an air inlet pipe 806 is arranged in the box body, and one end of the air inlet pipe is communicated with the air inlet; a liquid storage cavity is formed between the box body and the cover plate, cooling liquid is injected into the liquid storage cavity through the liquid injection port, the tail gas of the diesel engine enters the liquid storage cavity through the air inlet and the air inlet pipe and is in mixed contact with the cooling liquid, the temperature of the tail gas can be effectively reduced, good spark extinguishing and dust absorbing effects are achieved, the cooled and purified tail gas is discharged through the air outlet, and the cooling liquid is discharged through the liquid discharge port; the box with the apron passes through bolt fixed connection, is convenient for wet-type exhaust gas cooler's maintenance and maintenance.
Referring to fig. 1 and 2, a pressure equalizing box 807 and a plurality of intake branch pipes 810 are arranged in the box body of the present invention; one end of the pressure equalizing box is communicated with the air inlet pipe, and the other end of the pressure equalizing box is communicated with the air inlet branch pipe; the invention disperses the tail gas by utilizing the plurality of the air inlet branch pipes, increases the contact area of the tail gas and the cooling liquid and improves the cooling effect.
Referring to fig. 1 and 2, a flow stabilizer 813 is installed at the bottom end of the intake branch pipe according to the present invention; the flow stabilizing plate can further disperse tail gas, increase the contact area of the tail gas and cooling liquid and improve the cooling effect.
Referring to fig. 1 and 2, a sealing gasket 808 is arranged between the box body and the cover plate; the sealing effect of the box body and the cover plate is improved, and leakage of tail gas and cooling liquid is prevented.
Referring to fig. 1 and 2, the inner wall of the box body is provided with a partition 812, and the partition can block the tail gas flow, increase the movement time of the gas flow in the cooling cavity, improve the contact time of the tail gas and the cooling liquid, and improve the cooling effect.
Referring to fig. 1 and 2, a heat dissipation plate 811 is arranged on the outer wall of the box body; the heating panel can improve the radiating effect of box reduces the temperature of coolant liquid, reduces the consumption of coolant liquid, improves the tail gas cooling effect.
Referring to fig. 1 and 2, a hose with a water jacket 3 is communicated between the spark catcher and the wet-type exhaust gas cooler; the hose with the water jacket is communicated between the first exhaust pipe and the exhaust gas cooler; on one hand, the hose with the water jacket can cool the tail gas passing through the hose with the water jacket, and on the other hand, the hose with the water jacket can be bent, so that the arrangement and installation of various devices are facilitated.
Referring to fig. 1 and 2, the hose with the water jacket of the present invention is made of a double-layer corrugated pipe; the outer wall of the double-layer corrugated pipe is of an annular corrugated structure, has high ring rigidity and excellent wear resistance, and is light in weight, convenient to carry and connect and simple to maintain.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. The utility model provides a monorail crane high-power explosion-proof diesel engine exhaust cooling system which characterized in that: the system comprises a first exhaust pipe, an exhaust gas cooler, a second exhaust pipe and a wet-type tail gas cooler; one end of the first exhaust pipe is communicated with the diesel engine, and the other end of the first exhaust pipe is communicated with the exhaust gas cooler; one end of the second exhaust pipe is communicated with the waste gas cooler, and the other end of the second exhaust pipe is communicated with the wet tail gas cooler; a flame arrester is communicated between the second exhaust pipe and the exhaust gas cooler; a spark catcher is communicated between the second exhaust pipe and the wet tail gas cooler;
the wet-type tail gas cooler comprises a box body and a cover plate, wherein the upper part of the box body is provided with an air inlet, an air outlet and a liquid injection port, and the lower part of the box body is provided with a liquid discharge port; an air inlet pipe is arranged in the box body, and one end of the air inlet pipe is communicated with the air inlet.
2. The exhaust cooling system of the monorail crane high-power explosion-proof diesel engine as claimed in claim 1, wherein: a pressure equalizing box and a plurality of air inlet branch pipes are arranged in the box body; one end of the pressure equalizing box is communicated with the air inlet pipe, and the other end of the pressure equalizing box is communicated with the air inlet branch pipe.
3. The exhaust cooling system of the monorail crane high-power explosion-proof diesel engine as claimed in claim 2, wherein: and a flow stabilizing plate is arranged at the bottom end of the air inlet branch pipe.
4. The exhaust cooling system of the monorail crane high-power explosion-proof diesel engine as claimed in claim 3, wherein: and a sealing gasket is arranged between the box body and the cover plate.
5. The exhaust cooling system of the monorail crane high-power explosion-proof diesel engine as claimed in claim 1, wherein: and a partition plate is arranged on the inner wall of the box body.
6. The exhaust cooling system of the monorail crane high-power explosion-proof diesel engine as claimed in claim 1, wherein: and a heat dissipation plate is arranged on the outer wall of the box body.
7. The exhaust cooling system of the monorail crane high-power explosion-proof diesel engine as claimed in claim 1, wherein: and a hose with a water jacket is communicated between the spark catcher and the wet tail gas cooler.
8. The exhaust cooling system of the monorail crane high-power explosion-proof diesel engine as claimed in claim 7, wherein: the first exhaust pipe and the exhaust gas cooler are communicated with the hose with the water jacket.
9. The exhaust cooling system of the monorail crane high-power explosion-proof diesel engine as claimed in claim 8, wherein: the hose with the water jacket is made of a double-layer corrugated pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336072.8A CN109339904B (en) | 2018-11-09 | 2018-11-09 | Exhaust cooling system of monorail crane high-power explosion-proof diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336072.8A CN109339904B (en) | 2018-11-09 | 2018-11-09 | Exhaust cooling system of monorail crane high-power explosion-proof diesel engine |
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| Publication Number | Publication Date |
|---|---|
| CN109339904A CN109339904A (en) | 2019-02-15 |
| CN109339904B true CN109339904B (en) | 2020-02-14 |
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| CN201811336072.8A Active CN109339904B (en) | 2018-11-09 | 2018-11-09 | Exhaust cooling system of monorail crane high-power explosion-proof diesel engine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001227326A (en) * | 2000-02-16 | 2001-08-24 | Calsonic Kansei Corp | Exhaust cooler of internal combustion engine |
| DE10121695A1 (en) * | 2001-05-04 | 2002-11-14 | Audi Ag | Exhaust system for internal combustion engines especially in vehicles includes exhaust cooler formed by pipeline section having at least one inner radiation plate radiating towards pipe wall |
| JP2004316611A (en) * | 2003-04-18 | 2004-11-11 | Calsonic Kansei Corp | Cooling device for exhaust gas from engine |
| CN203285582U (en) * | 2013-04-18 | 2013-11-13 | 北京凯润机电设备制造有限责任公司 | Explosion-proof diesel engine for overhead monorail locomotive |
| WO2014066129A1 (en) * | 2012-10-23 | 2014-05-01 | Chrysler Group Llc | Automotive engine coolant and heating system |
| CN205823383U (en) * | 2016-06-17 | 2016-12-21 | 沙尔夫矿山机械（徐州）有限公司 | Monorail crane hydraulic starting anti-explosion diesel engine |
| CN206769990U (en) * | 2017-04-28 | 2017-12-19 | 徐工集团工程机械股份有限公司科技分公司 | Anti-explosion diesel engine exhaust cooling system |
-
2018
- 2018-11-09 CN CN201811336072.8A patent/CN109339904B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001227326A (en) * | 2000-02-16 | 2001-08-24 | Calsonic Kansei Corp | Exhaust cooler of internal combustion engine |
| DE10121695A1 (en) * | 2001-05-04 | 2002-11-14 | Audi Ag | Exhaust system for internal combustion engines especially in vehicles includes exhaust cooler formed by pipeline section having at least one inner radiation plate radiating towards pipe wall |
| JP2004316611A (en) * | 2003-04-18 | 2004-11-11 | Calsonic Kansei Corp | Cooling device for exhaust gas from engine |
| WO2014066129A1 (en) * | 2012-10-23 | 2014-05-01 | Chrysler Group Llc | Automotive engine coolant and heating system |
| CN203285582U (en) * | 2013-04-18 | 2013-11-13 | 北京凯润机电设备制造有限责任公司 | Explosion-proof diesel engine for overhead monorail locomotive |
| CN205823383U (en) * | 2016-06-17 | 2016-12-21 | 沙尔夫矿山机械（徐州）有限公司 | Monorail crane hydraulic starting anti-explosion diesel engine |
| CN206769990U (en) * | 2017-04-28 | 2017-12-19 | 徐工集团工程机械股份有限公司科技分公司 | Anti-explosion diesel engine exhaust cooling system |
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| CN109339904A (en) | 2019-02-15 |
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Effective date of registration: 20190919 Address after: 650500 9/F, Unit 2, 142 Zhonghe Dongyuan District, Chenggong District, Kunming City, Yunnan Province Applicant after: Yunnan Xingshi Technology Co., Ltd. Address before: 553000 2 buildings, 4 floors, Fengjing Huating, Panjiangxi Road, Hanlin Street, Panzhou City, Liupanshui City, Guizhou Province Applicant before: Guizhou Said Intelligent Technology Co., Ltd. |
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