CN112360617A - Integrated form wet return structure - Google Patents

Integrated form wet return structure Download PDF

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Publication number
CN112360617A
CN112360617A CN202011178114.7A CN202011178114A CN112360617A CN 112360617 A CN112360617 A CN 112360617A CN 202011178114 A CN202011178114 A CN 202011178114A CN 112360617 A CN112360617 A CN 112360617A
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CN
China
Prior art keywords
water
water return
pipe
scr
return
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202011178114.7A
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Chinese (zh)
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CN112360617B (en
Inventor
张振平
蔡文华
刘红武
朱素琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN202011178114.7A priority Critical patent/CN112360617B/en
Publication of CN112360617A publication Critical patent/CN112360617A/en
Application granted granted Critical
Publication of CN112360617B publication Critical patent/CN112360617B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/04—Arrangements of liquid pipes or hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The embodiment of the application discloses integrated form return water pipe structure for when connecting, the pipeline need not to pass from the whole car girder, arranges more compactly, and the whole car water pipe erection joint of being convenient for also more does benefit to the maintenance with warm braw wet return and SCR wet return setting in engine rear end top, need not to remove the engine, has reduced maintenance personal's the maintenance degree of difficulty. The application includes: the auxiliary water tank connecting pipe is arranged at the interface of the water pump water inlet pipe; the warm air water return pipe and the SCR water return pipe are arranged above the auxiliary water tank connecting pipe and close to the rear end of the engine.

Description

Integrated form wet return structure
Technical Field
The embodiment of the application relates to the field of engines, in particular to an integrated water return pipe structure.
Background
The general warm braw return water mouth, SCR return water mouth on current engine are arranged on the engine inlet tube, are located the engine below, are close to whole car girder department, and this kind of condition is when making whole car water piping connection, and the pipeline will pass from whole car girder department, leads to the pipeline difficult to connect, arranges in a jumble and assemble the difficulty when, also can maintain and lead to the maintenance degree of difficulty big because of lifting up the engine.
Disclosure of Invention
The application provides an integrated form return water pipe structure for when connecting, the pipeline need not to pass from the whole car girder, arranges more compactly, and the whole car water pipe erection joint of being convenient for also more does benefit to the maintenance with warm braw wet return and SCR wet return setting in engine rear end top, need not to remove the engine, has reduced maintenance personal's the maintenance degree of difficulty.
The embodiment of the application provides an integrated form return water pipe structure, includes: the auxiliary water tank connecting pipe is arranged at the interface of the water pump water inlet pipe; the warm air water return pipe and the SCR water return pipe are arranged above the auxiliary water tank connecting pipe and close to the rear end of the engine.
Optionally, the hot air return pipe is provided with a hot air return joint, and the hot air return joint is used for being connected with the auxiliary water tank connecting pipe.
Optionally, the SCR water return pipe is provided with an SCR water return joint, and the SCR water return joint is used for connecting with the auxiliary water tank connection pipe.
Optionally, two water return ports are further arranged at the connecting pipe of the auxiliary water tank, and the connecting pipe of the auxiliary water tank is connected with the warm air return joint and the SCR return joint through the water return ports respectively.
Optionally, the warm air return joint is vertically connected with the return water port, and the SCR return joint is vertically connected with the return water port.
Optionally, the auxiliary water tank connecting pipe is provided with an auxiliary water tank water return port, and the auxiliary water tank water return port is located above the rear end of the engine.
Optionally, the warm air return pipe is further provided with a warm air return port, and the warm air return port is located above the rear end of the engine.
Optionally, the SCR water return pipe is further provided with an SCR water return port, and the SCR water return port is located above the rear end of the engine.
Optionally, the auxiliary water tank return port, the warm air return port and the end of the SCR return port are provided with a connecting protrusion.
Optionally, two fixing supports are further arranged at the joint of the auxiliary water tank, and the fixing supports are used for fixing the pipeline.
According to the technical scheme, the embodiment of the application has the following advantages:
in this scheme, through taking over the kneck of installing at the water pump inlet tube with the expansion tank, draw the expansion tank return water mouth to engine rear end top, connect warm braw wet return and SCR wet return in expansion tank takeover top, make whole car water pipe when connecting, the pipeline need not to follow whole car girder and passes, arrange more compactly, the whole car water pipe erection joint of being convenient for, simultaneously, set up warm braw wet return and SCR wet return and also more do benefit to the maintenance in engine rear end top, need not to move the engine, maintenance personnel's the maintenance degree of difficulty has been reduced.
Drawings
Fig. 1 is a schematic structural diagram of an integrated water return pipe structure in an embodiment of the present application.
Detailed Description
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
The embodiment of the application provides an integrated form return water pipe structure for when the whole car water pipe is connected, the pipeline need not to pass from the whole car girder, arranges more compactly, and the whole car water pipe erection joint of being convenient for also more does benefit to the maintenance with warm braw wet return and SCR wet return setting in engine rear end top, need not to remove the engine, has reduced maintenance personal's the maintenance degree of difficulty.
The following description of the position relationship of each component of the embodiment of the integrated water return pipe structure is based on fig. 1, in fig. 1, the position of the SCR water return port is above the rear end of the engine, and the position of the water inlet pipe of the water pump is below the front end of the engine.
Referring to fig. 1, an embodiment of the present application provides an integrated water return pipe structure, including:
the auxiliary water tank connecting pipe 1 is arranged at the interface of the water pump water inlet pipe 2; the warm air return pipe 3 and the SCR return pipe 4 are arranged above the auxiliary water tank connecting pipe 1 and close to the rear end of the engine.
In this application embodiment, water pump inlet tube 2 is located the front end below of engine, is connected with the water inlet of expansion tank takeover 1, and expansion tank takeover 1's expansion tank return water mouth 11 draws the rear end top of engine, and warm braw wet return and SCR wet return all are connected with expansion tank takeover 1, are located expansion tank return water mouth 11 near.
It should be noted that the water inlet pipe 1 of the water pump is used for driving the cooling liquid to enter the engine for heat dissipation. The auxiliary water tank connecting pipe 1 is used for increasing the water temperature of the engine and enabling cooling liquid to enter the engine from a water inlet of the auxiliary water tank through a water inlet pipe 2 of the water pump to be cooled when a part of gas is generated, and the cooling liquid enters the auxiliary water tank from the engine through an auxiliary water tank water return port 11 and circulates in sequence to play a role in cooling the gas.
It should be noted that the water in the secondary water tank must be kept between the upper line and the lower line according to requirements and cannot be emptied, the water in the secondary water tank is adjusted to the main water tank, the water temperature is high, the water volume expands, the water overflows into the secondary water tank, the water temperature is reduced, and the water in the secondary water tank flows back into the main water tank.
In addition, the warm air return pipe 3 is a pipe connecting the water tank circulation system to the warm air blower, and functions as: the heat of the engine is brought into the vehicle through the water of the auxiliary water tank, so that the vehicle is warmed. SCR is a selective catalytic reduction technology, utilizes urea solution to handle the nitrogen oxide in the tail gas, and SCR wet return 4's effect is provided at SCR inlet tube like the SCR system and is cooled urea solution injection unit and the urea water in the heating urea case, and when SCR system used up water, water can get back to in the engine cylinder body through SCR wet return 4.
In the embodiment of the application, through taking over 1 with the expansion tank and installing the kneck at water pump inlet tube 2, warm braw wet return 3 and SCR wet return 4 are installed and are close to engine rear end department in this expansion tank takes over 1 top for whole car water pipe when connecting, the pipeline need not to pass from whole car girder, arranges the compactness, is convenient for whole car water piping connection.
Optionally, the warm air return pipe 3 is provided with a warm air return joint 31, and the warm air return joint 31 is used for being connected with the auxiliary water tank connecting pipe 1.
It should be noted that, in the embodiment of the present application, the warm air return pipe 3 is located above the rear end of the engine and connected to the sub-tank connection pipe 1, and the diameter of the pipeline of the warm air return pipe 3 is smaller than the diameter of the pipeline of the sub-tank connection pipe 1, so as to connect to the sub-tank connection pipe.
Optionally, the SCR water return pipe 4 is provided with an SCR water return joint 41, and the SCR water return joint 41 is used for connecting the sub-tank connection pipe 1.
In the embodiment of the present application, the SCR water return pipe 4 is located above the rear end of the engine and connected to the sub-tank connection pipe 1, and the diameter of the pipe of the SCR water return pipe 4 is smaller than the diameter of the pipe of the sub-tank connection pipe 1, so as to facilitate connection.
Optionally, two water return ports 12 are further disposed at the auxiliary water tank connection pipe 1, and the auxiliary water tank connection pipe 1 is connected to the warm air return water joint 31 and the SCR return water joint 41 through the water return ports 12.
It should be noted that, in the embodiment of the present application, the two water return ports 12 are both disposed at the position of the sub-tank connection pipe 1 near the upper portion of the rear end of the engine, and the warm air return water joint 31 and the SCR return water joint 41 are adapted to the two water return ports 12 of the sub-tank connection pipe 1, and may be connected by screwing screws or by other methods, which is not limited herein.
Optionally, the warm air return joint 31 is vertically connected with the return port 12, and the SCR return joint 41 is vertically connected with the return port 12.
It should be noted that, in the embodiment of the present application, the warm air return joint 31 is vertically connected to one return port 12, and the SCR return joint 41 is vertically connected to another return port 12, so that the structural layout of each return pipeline is reasonably optimized, and the engine is more compact.
Optionally, the auxiliary water tank connecting pipe 1 is provided with an auxiliary water tank water return port 11, and the auxiliary water tank water return port 11 is located above the rear end of the engine.
It should be noted that, in the embodiment of the present application, one end of the sub-tank connection pipe 1 is connected to the water inlet pipe 2 of the water pump, and the other end, that is, the other end of the sub-tank connection pipe 1 that is located above the rear end of the engine, needs to be further provided with a sub-tank return port 11 to be connected to another pipeline, so as to implement the circulation flow of the antifreeze solution.
Optionally, the warm air return pipe 3 is further provided with a warm air return port 32, and the warm air return port 32 is located above the rear end of the engine.
Optionally, the SCR water return pipe 4 is further provided with an SCR water return port 42, and the SCR water return port 42 is located above the rear end of the engine.
It should be noted that, in the embodiment of the present application, the sub-tank water return port 11 is led to the upper side of the rear end of the engine, the sub-tank water return port 11 faces backwards, and two water return ports 11 are formed above the sub-tank connecting pipe 11 near the rear end of the engine for installing the warm air water return connector 31 and the SCR water return connector 41, so that when the whole vehicle is connected by a water pipe, the SCR water return port 42 and the warm air water return port 32 are both located above the engine, so that the engine does not need to be moved up again during maintenance, which is more beneficial for maintenance personnel to maintain, and reduces maintenance difficulty.
Optionally, the ends of the auxiliary water tank water return port 11, the warm air water return port 32 and the SCR water return port 42 are provided with connecting protrusions.
It should be noted that, in the embodiment of the present application, the sub-tank water return port 11, the warm air water return port 32, and the SCR water return port 42 are further provided with a connection protrusion, so as to realize stable connection with other pipelines, and prevent a hidden water leakage problem caused by poor contact.
Optionally, two fixing supports 13 are further arranged at the auxiliary water tank connection pipe 1, and the fixing supports 13 are used for fixing pipelines.
It should be noted that, in the embodiment of the present application, the auxiliary tank connection pipe 1 is led from the lower end to the upper end of the engine, and in order to fix the auxiliary tank connection pipe 1, two fixing brackets 13 are further required to fix the auxiliary tank connection pipe 1.
It is intended that the foregoing description of the disclosed embodiments enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An integrated water return pipe structure, comprising: the auxiliary water tank connecting pipe is arranged at the interface of the water pump water inlet pipe; the warm air water return pipe and the SCR water return pipe are arranged above the auxiliary water tank connecting pipe and close to the rear end of the engine.
2. The integrated water return pipe structure according to claim 1, wherein the warm air water return pipe is provided with a warm air water return joint, and the warm air water return joint is used for being connected with the auxiliary water tank connecting pipe.
3. The integrated water return pipe structure according to claim 1, wherein the SCR water return pipe is provided with an SCR water return joint for connecting with the secondary tank connection pipe.
4. The integrated water return pipe structure according to claim 2 and 3, wherein two water return ports are further provided at the auxiliary water tank connection pipe, and the auxiliary water tank connection pipe is connected to the warm air water return joint and the SCR water return joint through the water return ports.
5. The integrated water return pipe structure according to claim 4, wherein the warm air water return joint is vertically connected to the water return port, and the SCR water return joint is vertically connected to the water return port.
6. The integrated return pipe structure according to claim 1, wherein the secondary tank connection pipe is provided with a secondary tank return port located above the rear end of the engine.
7. The integrated water return pipe structure according to claim 1, wherein the warm air water return pipe is further provided with a warm air water return port, and the warm air water return port is located above the rear end of the engine.
8. The integrated water return pipe structure according to claim 1, wherein the SCR water return pipe is further provided with an SCR water return port, and the SCR water return port is located above the rear end of the engine.
9. The integrated water return pipe structure according to any one of claims 6 to 8, wherein the ends of the auxiliary tank water return port, the warm air water return port and the SCR water return port are provided with connecting protrusions.
10. The integrated water return pipe structure according to claim 1, wherein two fixing brackets are further arranged at the joint of the auxiliary water tank, and the fixing brackets are used for fixing a pipeline.
CN202011178114.7A 2020-10-29 2020-10-29 Integrated water return pipe structure Active CN112360617B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011178114.7A CN112360617B (en) 2020-10-29 2020-10-29 Integrated water return pipe structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011178114.7A CN112360617B (en) 2020-10-29 2020-10-29 Integrated water return pipe structure

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Publication Number Publication Date
CN112360617A true CN112360617A (en) 2021-02-12
CN112360617B CN112360617B (en) 2024-04-26

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703948A (en) * 2016-12-16 2017-05-24 绵阳新晨动力机械有限公司 Warm air pipeline of SCR (Selective Catalytic Reduction) system of heavy-duty diesel engine
CN209308819U (en) * 2019-01-16 2019-08-27 广西玉柴机器股份有限公司 A kind of integrated water pipe fitting
CN211819589U (en) * 2020-02-11 2020-10-30 北京福田康明斯发动机有限公司 SCR water inlet and return pipe structure
CN214366362U (en) * 2020-10-29 2021-10-08 广西玉柴机器股份有限公司 Integrated form wet return structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703948A (en) * 2016-12-16 2017-05-24 绵阳新晨动力机械有限公司 Warm air pipeline of SCR (Selective Catalytic Reduction) system of heavy-duty diesel engine
CN209308819U (en) * 2019-01-16 2019-08-27 广西玉柴机器股份有限公司 A kind of integrated water pipe fitting
CN211819589U (en) * 2020-02-11 2020-10-30 北京福田康明斯发动机有限公司 SCR water inlet and return pipe structure
CN214366362U (en) * 2020-10-29 2021-10-08 广西玉柴机器股份有限公司 Integrated form wet return structure

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