CN111089730A - Sump oil sewage discharge device for diesel engine bench experiments - Google Patents
Sump oil sewage discharge device for diesel engine bench experiments Download PDFInfo
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- CN111089730A CN111089730A CN201911178579.XA CN201911178579A CN111089730A CN 111089730 A CN111089730 A CN 111089730A CN 201911178579 A CN201911178579 A CN 201911178579A CN 111089730 A CN111089730 A CN 111089730A
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- dirty oil
- sewage
- collecting box
- diesel engine
- discharge device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
Abstract
A dirty oil and sewage discharge device for diesel engine bench experiments comprises a dirty oil and sewage collecting box, a conveying main pipe, a conveying pump, an external pipe system and an electric cabinet; wherein, external piping is including many collecting pipes, and the upper reaches are connected with the mouth of releasing of each test run rack respectively, and the delivery main is connected simultaneously in low reaches, and dirty oil sewage collecting box is connected in the low reaches of this delivery main, and this dirty oil sewage collecting box is inside to be equipped with high level sensor and low level sensor low reaches and to pass through the delivery pump and connect sump oil treatment center, and the electric cabinet is connected respectively delivery pump, high level sensor and low level sensor to opening or stopping of delivery pump is controlled according to high level sensor and low level sensor's detection signal. The invention has the advantages of high automation degree, material saving, pollution risk reduction, fire hazard avoidance, reasonable structure, low cost, perfect function and simple operation.
Description
Technical Field
The invention relates to a manufacturing process of a low-speed diesel engine, in particular to a dirty oil and sewage discharge device for a diesel engine bench experiment, and belongs to the technical field of diesel engine manufacturing.
Background
The low-speed diesel engine can produce partly dirty oil sewage when the operation, and from the diesel engine operation principle, these dirty oil sewage are inevitable result, inevitable, for example engine base discharge dirty oil, fuel discharge dirty oil, cylinder liner water discharge sewage etc.. The dirty oil and sewage contains some substances harmful to the environment, can not be directly discharged, and along with the increasing strictness of the environmental protection requirement, the control on the discharge of the dirty oil and sewage is becoming stricter.
Referring to fig. 1, when a motor car (bench test) is performed before the diesel engine leaves a factory, dirty oil and sewage generated by the diesel engine is connected to a special sewage and dirty oil discharge system through a pipeline and then is conveyed to a sewage treatment center for centralized treatment. Because the position of the sump oil and sewage collecting tank of the existing sewage and sump oil discharge system is far away from the main machine test bed, the number of sump oil and sewage discharge pipes of the main machine is large, and each discharge pipe is connected to the sump oil and sewage collecting tank through an independent pipeline, a large number of pipelines need to be arranged, so that a large number of pipes are consumed, and the labor intensity of operators is increased; in addition, due to the fact that the pipeline is long, certain leakage risks exist along the way, dirty oil and sewage can be caused to remain on the ground of the site of the test bed in the workshop, the cleaning is difficult to remove, the labor intensity of cleaning operation of the test bed is increased, time is prolonged, and certain fire hazards are caused to the site.
Disclosure of Invention
The invention aims to provide a dirty oil and sewage discharge device for a bench test of a diesel engine, which solves the problem of centralized collection and discharge of dirty oil and sewage generated by the bench test of the diesel engine before delivery so as to avoid pollution of the dirty oil and sewage on a test bed.
The technical scheme of the invention is as follows:
the utility model provides a diesel engine rack is sump oil sewage discharge device for experiments, connects a plurality of racks of taking a trial run, places on this rack of taking a trial run the host computer of diesel engine, its characterized in that: the dirty oil and sewage discharge device comprises a dirty oil and sewage collecting box, a conveying main pipe, a conveying pump, an external piping system and an electric cabinet; the external piping system comprises a plurality of collecting pipes, the upper reaches of the collecting pipes are respectively connected with the discharge ports of the test run racks and used for collecting the dirty oil and sewage generated by the host, the lower reaches of the collecting pipes are simultaneously connected with the conveying main pipe, the lower reaches of the conveying main pipe are connected with the dirty oil and sewage collecting box and used for intensively discharging the dirty oil and sewage, the dirty oil and sewage collecting box is used for containing the collected dirty oil and sewage, a high liquid level sensor and a low liquid level sensor are arranged in the dirty oil and sewage collecting box and respectively used for detecting the high liquid level and the low liquid level of the dirty oil and sewage in the dirty oil and sewage collecting box, the lower reaches of the dirty oil and sewage collecting box are connected with a dirty oil treatment center through the conveying pump and used for discharging the dirty oil and sewage, the electric control box is respectively connected with the conveying pump, the high liquid level sensor and the low liquid level, and controlling the starting or stopping of the delivery pump.
Furthermore, a magnetic turning plate liquid level meter is arranged on the dirty oil and sewage collecting box and used for visually displaying the liquid level condition inside the dirty oil and sewage collecting box.
Furthermore, a first valve element and a second valve element are respectively connected in front of and behind the delivery pump, and bypass valves are connected in parallel between the first valve elements and behind the second valve elements.
Further, the effective volume of the dirty oil and sewage collecting box is 1.2M3。
Further, the number of the collecting pipes is determined according to the specific condition of the test run rack.
Further, the dirty oil and sewage discharge device adopts a prying module type structure.
Compared with the prior art, the invention has the following beneficial effects:
1) the problem of collection and discharge of dirty oil and sewage generated in the bench test of the diesel engine is solved, and the method can be applied to different types of diesel engine hosts; the method is completely applicable to the ultra-large host by only increasing the collecting pipe.
2) The dirty oily sewage discharge device has high automation degree, adopts intelligent logic control, and the system can monitor the liquid level in the dirty oily sewage collecting box, automatically starts the pump to discharge, reduces manual intervention operation, reduces the workload of operators, and reduces the labor intensity.
3) According to the invention, only the conveying main pipe is arranged between the test run rack and the sump oil and sewage collecting box, so that the arrangement of discharge pipes is reduced, and a large number of pipes and valves are saved; meanwhile, the risk of ground pollution on the test bed site caused by leakage is reduced, the potential safety hazard of fire is avoided, and the labor intensity and time of cleaning work are reduced.
4) The invention adopts a prying module structure, integrates a mechanical mechanism and a control system, has compact structure of each module, small occupied area and light weight, is convenient for hoisting, transporting and carrying, and effectively compresses the space of an operation field.
5) The dirty oil and sewage discharge device has the advantages of reasonable structure, low cost, perfect functions and simple operation.
Drawings
FIG. 1 is a schematic flow diagram of a conventional sewage/dirty oil discharge system.
Fig. 2 is a schematic diagram of the structural principle of the present invention.
In the figure:
1-dirty oil sewage collecting box, 11-high level sensor, 12-low level sensor, 2-electric cabinet, 3-external piping, 4-delivery pump, 5-second valve member, 6-delivery main, 7-bypass valve, 8-first valve member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific examples, but the scope of the invention is not limited thereby.
The dirty oil and sewage discharge device collects all dirty oil and sewage generated by a diesel engine host into the collecting box through the conveying main pipe, the control system detects the liquid level of dirty oil and sewage liquid, the liquid is intensively pumped out by the conveying pump and discharged to a special dirty oil treatment center, the dirty oil treatment center performs professional recovery treatment, and the discharge is performed after the discharge requirement is met.
The invention is applied to a diesel engine test bed workshop, each system can be matched with a plurality of test beds, and the embodiment takes the matching of 3 test beds as an example for explanation.
Examples
The sump oil and sewage discharge device for the diesel engine bench experiment is connected with three test run benches, and a main engine of the diesel engine is placed on the test run benches.
Referring to fig. 2, the dirty oil and sewage discharge device adopts a skid-mounted modular structure, and includes a dirty oil and sewage collection tank 1, a delivery main pipe 6, a delivery pump 4, an external pipe system 3 and an electric cabinet 2.
The external piping system 3 is used for collecting the dirty oil and the sewage generated when the diesel engine main rack moves, and comprises a plurality of collecting pipes; the upper reaches of the collecting pipes are respectively connected with the discharge ports of the test run racks, and the number of the collecting pipes is determined according to the size of the main machine and the amount of the dirty oil and sewage. The downstream of the collecting pipes is simultaneously connected with the conveying main pipe 6, and the downstream of the conveying main pipe 6 is connected with the dirty oil and sewage collecting box 1 and used for gathering the dirty oil and sewage of the host and conveying the gathered dirty oil and sewage to the dirty oil and sewage collecting box 2.
The effective volume of the dirty oil and sewage collecting box 1 is 1.2M3And is used for accommodating the collected dirty oil and sewage. A high liquid level sensor 11 and a low liquid level sensor 12 are arranged inside the dirty oil and sewage collecting box 1 and are respectively used for detecting the high liquid level and the low liquid level of the dirty oil and sewage in the dirty oil and sewage collecting box 1; and the dirty oil and sewage collecting box is also provided with a magnetic turning plate liquid level meter for visually displaying the liquid level condition inside the dirty oil and sewage collecting box 1.
The downstream of the dirty oil and sewage collecting box 1 is connected with a dirty oil treatment center through the delivery pump 4 and used for discharging dirty oil and sewage; the conveying pump 4 is mainly used for conveying the dirty oil and sewage in the dirty oil and sewage collecting box 1 to a sewage treatment center for environment-friendly treatment, and the conveying pump 4 is logically controlled by the electric cabinet 2. A first valve element 8 and a second valve element 5 are respectively connected in front of and behind the delivery pump 4 and used for closing and opening a pipeline; a bypass valve 7 is connected in parallel before the first valve member 8 and after the second valve member 5.
The electric cabinet 2 is arranged on the box body of the dirty oil and sewage collecting box 1, is respectively connected with the delivery pump 4, the high liquid level sensor 11 and the low liquid level sensor 12, and controls the opening or the stopping of the delivery pump 4 according to the detection signals of the high liquid level sensor 11 and the low liquid level sensor 12.
The specific application process of the invention when used for diesel engine bench test is as follows:
1. the discharge port of the diesel engine is connected with the external piping system 3, and the external piping system 3 is connected with the dirty oil and sewage collecting box 1 by using the conveying main pipe 6;
2. opening corresponding valve members, and conveying all the dirty oil and sewage generated by the diesel motor vehicle into the dirty oil and sewage collecting box 1 through an external pipe system 3 and a conveying main pipe 6 arranged on the side of the test bed;
3. the system is electrified, the system is controlled to operate, the first valve element 8 and the second valve element 5 are manually opened, and the bypass valve 7 is closed;
4. when the system monitors that the liquid in the dirty oil and sewage collecting box 1 is at a high liquid level, the high liquid level sensor 11 is triggered, the electric cabinet 2 controls the conveying pump 4 to start to operate, and dirty oil and sewage are conveyed to a dirty oil treatment center through the conveying pump 4; when the situation that the liquid in the dirty oil and sewage collecting box 1 is in a low liquid level is monitored, the low liquid level sensor 12 is triggered, the electric cabinet 2 controls the conveying pump 4 to stop running, and meanwhile, the system continues to collect dirty oil and sewage of the host machine.
Therefore, the invention should not be limited to the specific embodiments described, but should be construed to include all equivalent variations and modifications that fall within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a diesel engine rack is sump oil sewage discharge device for experiments, connects a plurality of racks of taking a trial run, places on this rack of taking a trial run the host computer of diesel engine, its characterized in that: the dirty oil and sewage discharge device comprises a dirty oil and sewage collecting box, a conveying main pipe, a conveying pump, an external piping system and an electric cabinet; the external piping system comprises a plurality of collecting pipes, the upper reaches of the collecting pipes are respectively connected with the discharge ports of the test run racks and used for collecting the dirty oil and sewage generated by the host, the lower reaches of the collecting pipes are simultaneously connected with the conveying main pipe, the lower reaches of the conveying main pipe are connected with the dirty oil and sewage collecting box and used for intensively discharging the dirty oil and sewage, the dirty oil and sewage collecting box is used for containing the collected dirty oil and sewage, a high liquid level sensor and a low liquid level sensor are arranged in the dirty oil and sewage collecting box and respectively used for detecting the high liquid level and the low liquid level of the dirty oil and sewage in the dirty oil and sewage collecting box, the lower reaches of the dirty oil and sewage collecting box are connected with a dirty oil treatment center through the conveying pump and used for discharging the dirty oil and sewage, the electric control box is respectively connected with the conveying pump, the high liquid level sensor and the low liquid level, and controlling the starting or stopping of the delivery pump.
2. The dirty oil and sewage discharge device for the bench test of the diesel engine according to claim 1, wherein: the dirty oil and sewage collecting box is provided with a magnetic turning plate liquid level meter for visually displaying the liquid level condition in the dirty oil and sewage collecting box.
3. The dirty oil and sewage discharge device for the bench test of the diesel engine according to claim 1, wherein: the front and the rear of the delivery pump are respectively connected with a first valve element and a second valve element, and bypass valves are connected in parallel between the first valve elements and behind the second valve elements.
4. The dirty oil and sewage discharge device for the bench test of the diesel engine according to claim 1, wherein: the effective volume of the sump oil and sewage collecting box is 1.2M3。
5. The dirty oil and sewage discharge device for the bench test of the diesel engine according to claim 1, wherein: the number of the collecting pipes is determined according to the specific condition of the test run rack.
6. The dirty oil and sewage discharge device for the bench test of the diesel engine according to claim 1, wherein: the dirty oil and sewage discharge device adopts a prying module type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911178579.XA CN111089730A (en) | 2019-11-27 | 2019-11-27 | Sump oil sewage discharge device for diesel engine bench experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911178579.XA CN111089730A (en) | 2019-11-27 | 2019-11-27 | Sump oil sewage discharge device for diesel engine bench experiments |
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| Publication Number | Publication Date |
|---|---|
| CN111089730A true CN111089730A (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911178579.XA Pending CN111089730A (en) | 2019-11-27 | 2019-11-27 | Sump oil sewage discharge device for diesel engine bench experiments |
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|---|---|
| CN (1) | CN111089730A (en) |
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- 2019-11-27 CN CN201911178579.XA patent/CN111089730A/en active Pending
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