Ship engine exhaust pollutant detection device
By installing filters and water spray tanks in the ship engine exhaust pollutant detection device, the problem of untreated exhaust gas emissions has been solved, achieving safe treatment of exhaust gas and reducing air pollution.
Patent Information
- Application Number
- CN202420855046.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-04-24
AI Technical Summary
Existing ship exhaust gas detection devices directly discharge untreated exhaust gas after testing, causing air pollution and health hazards to testing personnel.
A device for detecting pollutants in marine engine exhaust has been designed, comprising an exhaust gas treatment device including a filter, an air pump, a spray tank, and a water storage tank. The exhaust gas is filtered by the filter and treated by a reaction reagent in the spray tank to remove harmful gases.
It effectively reduced the pollution of air and testing personnel by exhaust gas, and achieved the treatment and safe discharge of exhaust gas.
Smart Images
Figure CN222561588U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of exhaust gas detection, in particular to a device for detecting exhaust pollutants from ship engines. Background Art
[0002] Ship transportation has been an important mode of transportation and freight since ancient times. With the improvement and extensive use of steam engines, ships have changed from wind power and manpower as the power source in ancient times to coal or oil as the power source. With the growth of global international trade, the number of ships in the world has increased. The exhaust emissions from ships fueled by petroleum products have caused more and more serious pollution to the environment. The exhaust emissions from ships mainly include NO X 、S0 X , CO X , VOC, etc., among which NO X and S0 X It has the greatest impact on the environment and humans. For this reason, people began to treat ship exhaust gas before discharging it. When inspecting ship exhaust emissions, inspectors need to inspect the exhaust gas to be discharged before each discharge to determine whether the ship has excessive emissions.
[0003] When inspectors conduct inspections, they use exhaust pollutant detection devices to insert the collection tube into the exhaust pipe of the ship to introduce the exhaust gas, and use the detection module to detect the exhaust gas composition. After the inspection is completed, the gas is discharged into the air.
[0004] During the above process, the collected waste gas is discharged into the air without being treated, which not only causes secondary pollution to the air, but also causes harm to the health of the inspectors.
[0005] Therefore, a device for detecting exhaust pollutants from ship engines is proposed. Utility Model Content
[0006] The utility model aims to provide a ship engine exhaust pollutant detection device, which can solve the problems raised in the above-mentioned background technology by arranging an exhaust gas treatment device to treat the gas after the detection.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A device for detecting exhaust pollutants from ship engines comprises a casing, a detector and an air intake pipe, wherein the detector is fixedly mounted on the top wall of the casing, the air intake pipe is fixedly connected to the side wall of the casing and is connected to the interior of the casing, an air extraction box is fixedly mounted on the top of the casing, a detection head is fixedly mounted on the air extraction box, the air intake pipe is connected to the air extraction box, a one-way valve is provided on the air intake pipe, an exhaust gas treatment device is provided in the casing, and the exhaust gas treatment device is connected to the exhaust box.
[0009] Preferably, the exhaust gas treatment device includes a one-way valve, a filter, an air pump, a water spray box, and a water storage tank; the filter is fixedly mounted on the inner wall of the casing, one end of the filter is connected to the air suction box, the one-way valve is located at the connection between the filter and the air suction box, one end of the filter is connected to a negative pressure box through a pipe, the air pump is fixedly mounted on the side wall of the casing, the negative pressure box is arranged on the output shaft of the air pump, the water spray box and the water storage tank are arranged at the bottom of the casing, and the negative pressure tank is respectively connected to the water spray tank and the water storage tank through pipes.
[0010] Preferably, a cylinder is fixedly mounted on the inner wall of the casing, an output end of the cylinder extends into the vacuum box, and a piston block is fixedly mounted on the output end of the cylinder.
[0011] Preferably, a one-way valve 2 is provided between the negative pressure box and the water spray box, and a one-way valve 4 is provided between the negative pressure box and the water storage tank.
[0012] Preferably, an annular collar is provided on the air inlet pipe, a sleeve plate is fixedly mounted on the side wall of the casing, and a circular through hole is provided on the sleeve plate.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. Set up a cylinder, a piston block, an exhaust box, and an air pipe to extract the exhaust gas, so as to obtain the exhaust gas more conveniently. Set up a detection head in the exhaust box. The detection head is connected to the detector through wires. Use the detection head and the detector to detect and analyze the gas, and the extracted gas is processed by the exhaust gas treatment device before entering the atmosphere, so as to reduce the damage to the health of the detection personnel and the pollution of the atmosphere.
[0015] 2. Place the reaction reagent in the water spray box, and use the vacuum pump to extract the gas in the negative pressure box. The exhaust gas in the vacuum box is filtered through the filter and flows into the negative pressure box. At the same time, the reaction reagent in the water spray box is also sprayed into the negative pressure box to react with the exhaust gas to remove NO in the exhaust gas. X and S0 X , and flow out from the water tank together. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the other side of the three-dimensional structure of the utility model;
[0018] Figure 3 It is a schematic diagram of the internal structure of the utility model;
[0019] Figure 4This is a schematic diagram of the installation structure of the cylinder and the air extraction box of the utility model.
[0020] In the figure: 1. casing; 2. vacuum pump; 3. detector; 4. handle; 5. air inlet pipe; 6. collar; 7. sleeve; 8. cylinder; 9. vacuum box; 10. one-way valve 1; 11. water storage tank; 12. water spray tank; 13. one-way valve 2; 14. filter; 15. negative pressure box; 16. detection head; 17. one-way valve 3; 18. piston block; 19. one-way valve 4. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figures 1 to 4 The utility model provides a device for detecting exhaust pollutants from ship engines, and the technical solution is as follows:
[0023] A device for detecting exhaust pollutants from ship engines comprises a casing 1, a detector 3 and an air intake pipe 5, wherein the detector 3 is fixedly mounted on the top wall of the casing 1, the air intake pipe 5 is fixedly connected to the side wall of the casing 1 and is connected to the inside of the casing 1, an air extraction box 9 is fixedly mounted on the top of the casing 1, a detection head 16 is fixedly mounted on the air extraction box 9, the air intake pipe 5 is connected to the air extraction box 9, a one-way valve 17 is provided on the air intake pipe 5, an exhaust gas treatment device is provided in the casing 1, the exhaust gas treatment device is connected to the exhaust box 9, the detection head 16 is connected to the detector 3 through electric wires, and the detector 3 is provided with control buttons and a display.
[0024] During the test, the intake pipe 5 is connected to the exhaust of the engine to be tested, and the gas enters the exhaust box 9 through the intake pipe 5. The exhaust gas data is obtained through the detection of the detection head 16 and transmitted to the detection analysis. The detection head 16 can be a sensor, an infrared probe, etc. that can be used for the detector 3.
[0025] like Figure 3 and Figure 4As shown, a cylinder 8 is fixedly mounted on the inner wall of the casing 1, and the output end of the cylinder 8 extends into the vacuum box 9. A piston block 18 is fixedly mounted on the output end of the cylinder 8. The piston block 18 is in sliding contact with the inner wall of the vacuum box 9 and has good air tightness. When vacuuming, the cylinder 8 can be started to shrink the output end of the cylinder 8, and negative pressure is generated in the vacuum box 9, so that more exhaust gas enters the vacuum box 9, and the exhaust gas can be fully obtained to obtain more accurate detection data. A one-way valve 17 is provided at the intake pipe 5, and the exhaust gas will not flow out from the intake pipe 5 in the reverse direction.
[0026] like Figure 3 As shown, after the detection is completed, the exhaust gas flows into the exhaust gas treatment device at the bottom for treatment and then enters the atmosphere. The exhaust gas treatment device includes a one-way valve 10, a filter 14, an air pump 2, a water spray box 12, and a water storage tank 11; the filter 14 is fixedly installed on the inner wall of the casing 1, and one end of the filter 14 is connected to the air suction box 9. The one-way valve 10 is located at the connection between the filter 14 and the air suction box 9. The filter 14 uses activated carbon. The filter 14 can absorb tiny particles contained in the exhaust gas to prevent harmful particles from entering the atmosphere.
[0027] like Figure 1 As shown, the vacuum pump 2 is connected to the detector 3 through an electric wire and is controlled by the detector 3. One end of the filter 14 is connected to the negative pressure box 15 through a pipeline. The vacuum is fixedly installed on the side wall of the casing 1. The negative pressure box 15 is arranged on the output shaft of the vacuum pump 2. The water spray box 12 and the water storage tank 11 are arranged at the bottom of the casing 1. The negative pressure box 15 is connected to the water spray box 12 and the water storage tank 11 through pipelines respectively. The water spray box 12 is filled with a reaction reagent. A one-way valve 2 13 is provided between the negative pressure box 15 and the water spray box 12, and a one-way valve 4 19 is provided between the negative pressure box 15 and the water storage tank 11.
[0028] After the detection is completed, the vacuum pump 2 is started, and the vacuum pump 2 discharges the gas in the negative pressure box 15 from the water storage tank 11, so that negative pressure is generated in the negative pressure box 15, and the exhaust gas in the vacuum box 9 flows into the negative pressure box 15. The reaction reagent in the water spray box 12 also flows into the negative pressure box 15 due to the pressure difference. A nozzle is also provided at the connection between the water spray box 12 and the negative pressure box 15. The reaction reagent is sprayed into the negative pressure box 15 through the nozzle and mixes with the SO in the exhaust gas. X , CO X After the harmful gases are neutralized, the residual liquid flows out from the water tank 11 and is stored for manual cleaning.
[0029] like Figure 1As shown, the air inlet pipe 5 is provided with an annular collar 6, and a sleeve plate 7 is fixedly mounted on the side wall of the casing 1. The sleeve plate 7 is made of elastic material and is provided with a circular through hole. After use, the air inlet pipe 5 is pressed onto the sleeve plate 7 for fixed storage.
[0030] A handle 4 is also provided on the top of the housing 1 to facilitate carrying by the inspector.
[0031] The working principle is to use the reaction reagent to spray into the exhaust gas to produce a neutralization reaction with the exhaust gas, remove the harmful gases contained in the exhaust gas, and then discharge the gas into the air to complete the exhaust gas treatment.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A ship engine exhaust pollutant detection device, characterized in that: The invention comprises a casing (1), a detector (3), and an air intake pipe (5), wherein the detector (3) is fixedly mounted on the top wall of the casing (1), the air intake pipe (5) is fixedly connected to the side wall of the casing (1) and is connected to the inside of the casing (1), an air extraction box (9) is fixedly mounted on the top of the casing (1), a detection head (16) is fixedly mounted on the air extraction box (9), the air intake pipe (5) is connected to the inside of the air extraction box (9), a non-return valve (17) is provided on the air intake pipe (5), an exhaust gas treatment device is provided in the casing (1), and the exhaust gas treatment device is connected to the exhaust gas box (9).
2. A marine engine exhaust pollutant detection device according to claim 1, characterized in that: The exhaust gas treatment device comprises a one-way valve (10), a filter (14), an air pump (2), a water spray box (12), and a water storage tank (11); the filter (14) is fixedly mounted on the inner wall of the casing (1), one end of the filter (14) is connected to the air suction box (9), the one-way valve (10) is located at the connection between the filter (14) and the air suction box (9), one end of the filter (14) is connected to a negative pressure box (15) through a pipeline, the air pump is fixedly mounted on the side wall of the casing (1), the negative pressure box (15) is arranged on the output shaft of the air pump (2), the water spray box (12) and the water storage tank (11) are arranged at the bottom of the casing (1), and the negative pressure box (15) is respectively connected to the water spray box (12) and the water storage tank (11) through pipelines.
3. A marine engine exhaust pollutant detection device according to claim 1, characterized in that: A cylinder (8) is fixedly mounted on the inner wall of the casing (1); an output end of the cylinder (8) extends into the vacuum box (9); and a piston block (18) is fixedly mounted on the output end of the cylinder (8).
4. A ship engine exhaust pollutant detection device according to claim 2, characterized in that: A second one-way valve (13) is provided between the negative pressure box (15) and the water spray box (12), and a fourth one-way valve (19) is provided between the negative pressure box (15) and the water storage tank (11).
5. A ship engine exhaust pollutant detection device according to claim 1, characterized in that: An annular collar (6) is provided on the air inlet pipe (5), a sleeve plate (7) is fixedly mounted on the side wall of the housing (1), and a circular through hole is provided on the sleeve plate (7).