Dust suppression system of self-discharging ship

Abstract

The utility model relates to a dust suppression system of a self-discharging ship, which comprises a conveyor belt, a mixing unit, a dust suppression unit and a control box, and the mixing unit comprises a medicament pipeline, a waterline pipeline, a medicament tank, a seawater tank and a mixing proportional valve; two ends of the medicament pipeline are respectively communicated with the medicament tank and the mixing proportional valve, a metering pump is arranged on the medicament pipeline, and a first electromagnetic valve is arranged between the medicament tank and the metering pump; two ends of the waterline pipeline are communicated with the seawater tank and the mixing proportional valve, a water pump is arranged on the waterline pipeline, and a second electromagnetic valve is arranged between the water pump and the mixing proportional valve; the dust suppression unit comprises a spraying pipe and nozzles, the multiple nozzles are arranged on the spraying pipe, and the spraying pipe is communicated with the outlet end of the mixing proportional valve; the control box is electrically connected with the metering pump, the water pump, the first electromagnetic valve and the second electromagnetic valve. The dust suppression device can effectively suppress dust in the area of the conveyor belt, reduces dissipative dust, reduces risks of fire disasters and explosions, and is economical and environment-friendly.

Description

TECHNICAL FIELD

[0001] The utility model relates to self-discharging ship dust suppression technical field especially is a kind of self-discharging ship dust suppression system. BACKGROUND

[0002] Self-discharging ship is a kind of ship specially designed for transporting bulk cargo (such as coal, ore, sandstone etc.), with automatic unloading function. Its core feature is that it can quickly unload without external equipment through the built-in conveying system or dumping device, suitable for areas with limited port facilities.

[0003] Self-discharging ship is usually equipped with conveyor belt or conveying pipeline for conveying cargo from the cabin to the self-discharging arm, and then unloading the cargo to the wharf or other receiving point through the self-discharging arm.

[0004] In the prior art, the conveyor belt of the self-discharging ship transports dust materials such as coal, and the dust in the entire self-discharging area is particularly large. The conventional shell protection method has poor dust isolation effect, and the use of ventilation and exhaust to remove dust requires a large amount of air, which is economically poor. INVENTION CONTENTS

[0005] Therefore, the utility model wants to overcome the defects of poor dust removal effect and high cost of dust removal of the conveyor belt of the self-discharging ship in the prior art.

[0006] To solve the above technical problems, the utility model provides a self-discharging ship dust suppression system, comprising:

[0007] conveyor belt;

[0008] mixing unit, the mixing unit includes medicament pipeline, water line pipeline, medicament tank, seawater tank and mixing proportional valve; both ends of the medicament pipeline are communicated with the medicament tank and the mixing proportional valve respectively, a metering pump is arranged on the medicament pipeline, a first electromagnetic valve is arranged between the outlet end of the medicament tank and the metering pump; both ends of the water line pipeline are communicated with the seawater tank and mixing proportional valve respectively, a water pump is arranged on the water line pipeline, a second electromagnetic valve is arranged between the water pump and the mixing proportional valve;

[0009] dust suppression unit, the dust suppression unit includes spray pipe and multiple spray heads, the spray pipe is arranged on the top of the conveyor belt, multiple spray heads are arranged on the spray pipe, the spray head is arranged opposite to the conveyor belt, and the spray pipe is communicated with the outlet end of the mixing proportional valve;

[0010] control box, the control box is electrically connected with the metering pump, water pump, first electromagnetic valve and second electromagnetic valve respectively.

[0011] In an embodiment of the utility model, the medicament tank top is provided with injection joint, liquid level meter and vacuum breaker, the injection joint communicates with the medicament tank entrance, the liquid level meter detection end stretches into the medicament tank, and the vacuum breaker communicates with the medicament tank inside, the medicament pipeline is provided with safety valve between the metering pump and mixed proportional valve, and the safety valve outlet end communicates with the injection joint.

[0012] In an embodiment of the utility model, the first electromagnetic valve and the medicament tank are provided with first stop valve, expansion joint and first check valve, the first stop valve is close to medicament tank export setting, the first check valve is close to the first electromagnetic valve setting, and the expansion joint is arranged between the first stop valve and first check valve, and the medicament pipeline is provided with fresh water injection valve between the first check valve and first electromagnetic valve.

[0013] In an embodiment of the utility model, the metering pump's import end is provided with first filter, and the metering pump's export end is provided with second check valve, and the second check valve and the metering pump are further provided with first pressure gauge.

[0014] In an embodiment of the utility model, the medicament pipeline is provided with third check valve on one side close to the mixed proportional valve, the third check valve import end is provided with second stop valve, and the second stop valve and the mixed proportional valve are provided with first blow-off valve.

[0015] In an embodiment of the utility model, the seawater tank and the water pump are provided with fourth check valve, second filter and second pressure gauge, the fourth check valve is close to the seawater tank setting, the second pressure gauge is close to water pump import end setting, and the second filter is arranged between the fourth check valve and second pressure gauge.

[0016] In an embodiment of the utility model, the water pump and the second electromagnetic valve are provided with third pressure gauge, fifth check valve and third filter, the third pressure gauge is close to water pump export end setting, the third filter is close to the second electromagnetic valve setting, the third filter and the second electromagnetic valve are provided with second blow-off valve, the fifth check valve is arranged between the third pressure gauge and third filter, and the third filter input end is further communicated with fire control pipeline, and the fire control pipeline is provided with sixth check valve.

[0017] In an embodiment of the utility model, the second electromagnetic valve and the mixed proportional valve are provided with flow switch, and the flow switch import end is provided with fourth pressure gauge.

[0018] In one embodiment of the present application, a fifth pressure gauge, a third drain valve and a purge valve are arranged between the mixing ratio valve and the spray pipe, and the fifth pressure gauge is arranged close to the outlet end of the mixing ratio valve.

[0019] In one embodiment of the present application, the mixing unit further comprises a cleaning pipeline, which is arranged between the medicament pipeline and the water pipeline, one end of the cleaning pipeline is arranged close to the outlet end of the first electromagnetic valve, and the other end of the cleaning pipeline is arranged close to the inlet end of the second electromagnetic valve; a third stop valve and a fourth drain valve are arranged on the cleaning pipeline.

[0020] The above technical solution of the present application has the following advantages compared with the prior art:

[0021] The self-unloading ship dust suppression system mixes the dust remover and seawater through the mixing ratio valve, sprays on the top of the conveyor belt, can effectively suppress the dust in the conveyor belt area, reduce the fugitive dust, reduce the risk of fire and explosion, and is economic and environmentally friendly. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to make the content of the present application more easily understood, the present application will be further described in detail below according to the specific embodiments of the present application and in conjunction with the drawings, wherein

[0023] Figure 1 is a schematic diagram of the overall structure of the present application;

[0024] Figure 2 is Figure 1 a schematic diagram of the structure of the mixing unit in the present application;

[0025] Figure 3 is Figure 2 a schematic diagram of the structure of the medicament pipeline in the present application;

[0026] Figure 4 is Figure 2 a schematic diagram of the structure of the water pipeline in the present application;

[0027] Figure 5 is Figure 1 a schematic diagram of the structure of the dust suppression unit in the present application;

[0028] The description of the drawings is as follows: 1, conveying belt; 2, mixing unit; 3, dust suppression unit; 4, control box; 21, medicament pipeline; 22, water pipeline; 23, cleaning pipeline; 24, medicament tank; 25, seawater tank; 26, mixing proportional valve; 27, fire-fighting pipeline; 31, spray pipe; 32, spray head; 33, fifth pressure gauge; 34, third drain valve; 35, purge valve; 2101, metering pump; 2102, first stop valve; 2103, expansion joint; 2104, first check valve; 2105, fresh water injection valve; 2106, first electromagnetic valve; 2107, first filter; 2108, first pressure gauge; 2109, second check valve; 2110, second stop valve; 2111, third check valve; 2112, first drain valve; 2113, safety valve; 2201, water pump; 2202, second electromagnetic valve; 2203, fourth check valve; 2204, second filter; 2205, second pressure gauge; 2206, third pressure gauge; 2207, fifth check valve; 2208, third filter; 2209, sixth check valve; 2210, flow switch; 2211, fourth pressure gauge; 2212, second drain valve; 241, injection joint; 242, liquid level meter; 243, vacuum breaking valve. DETAILED DESCRIPTION

[0029] The utility model will be further explained in connection with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0030] Referring to Figures 1-5 The utility model discloses a self-unloading ship dust suppression system, including:

[0031] Conveying belt 1;

[0032] Mixing unit 2, the mixing unit 2 includes medicament pipeline 21, water pipeline 22, medicament tank 24, seawater tank 25 and mixing proportional valve 26, the both ends of medicament pipeline 21 are communicated with medicament tank 24 and mixing proportional valve 26 respectively, is provided with metering pump 2101 on medicament pipeline 21, and is provided with first electromagnetic valve 2106 between the outlet end of medicament tank 24 and metering pump 2101, the both ends of water pipeline 22 are communicated with seawater tank 25 and mixing proportional valve 26 respectively, is provided with water pump 2201 on water pipeline 22, and is provided with second electromagnetic valve 2202 between water pump 2201 and mixing proportional valve 26;

[0033] A dust suppression unit 3 comprising a spray pipe 31 arranged on the top of the conveyor belt 1 and a plurality of spray heads 32 arranged on the spray pipe 31, wherein the spray heads 32 are arranged opposite to the conveyor belt 1, and the spray pipe 31 is in communication with the outlet end of the mixing proportional valve 26;

[0034] A control box 4 electrically connected with the metering pump 2101, the water pump 2201, the first electromagnetic valve 2106 and the second electromagnetic valve 2202 respectively.

[0035] The dust suppression system in the utility model is used for dust removal in the area of the conveyor belt 1 on the self-unloading ship, which mainly uses dust removal agent and seawater to mix and then sprays in the area of the conveyor belt 1. Specifically, the whole mixing unit 2 is mainly divided into a medicament pipeline 21 and a water pipeline 22, wherein one end of the medicament pipeline 21 is in communication with a medicament tank 24, and a metering pump 2101 provides power to pump the medicament in the medicament tank 24 into a mixing proportional valve 26. The metering pump 2101 is made of stainless steel material, and the pump capacity can be manually adjusted to meet the mixing range from 0.1% to 0.5%. Preferably, the mixing proportion is 0.25%. A first electromagnetic valve 2106 is installed in front of the metering pump 2101 to realize remote control of the medicament pipeline 21. The water pipeline 22 is powered by a water pump 2201 to pump seawater in a seawater tank 25 into the mixing proportional valve 26, and similarly, a second electromagnetic valve 2202 is used to realize remote control of the water pipeline 22. The dust removal agent and seawater are mixed into the mixing proportional valve 26 to form a foam, which is sprayed through a plurality of spray heads 32 on the spray pipe 31 to adsorb the dust in the area of the conveyor belt 1, thereby achieving the effect of dust suppression. The control box 4 is used to control the start and stop of the metering pump 2101 and the water pump 2201, and the opening and closing of the first electromagnetic valve 2106 and the second electromagnetic valve 2202, thereby realizing remote operation control.

[0036] In the utility model, the dust removal agent and seawater are mixed by the mixing proportional valve 26 and sprayed on the top of the conveyor belt 1, which can effectively suppress the dust in the area of the conveyor belt 1, reduce the fugitive dust, reduce the risk of fire and explosion, and is economic and environmentally friendly. Secondly, the control box 4 is used for remote control, which is simple and fast to operate and has high reliability.

[0037] Further, an injection joint 241, a liquid level meter 242 and a vacuum breaking valve 243 are arranged on the top of the medicament tank 24, the injection joint 241 is in communication with the inlet of the medicament tank 24, the detection end of the liquid level meter 242 extends into the medicament tank 24, and the vacuum breaking valve 243 is in communication with the inside of the medicament tank 24. A safety valve 2113 is arranged between the metering pump 2101 and the mixing proportional valve 26 in the medicament pipeline 21, and the outlet end of the safety valve 2113 is in communication with the injection joint 241.

[0038] Specifically, the medicament tank 24 in the utility model adds the dust remover through the injection joint 241, and the liquid level meter 242 is used for detecting the height of the dust remover liquid level in the medicament tank 24. The vacuum breaking valve 243 is used for avoiding that the medicament tank 24 is pumped out by the metering pump 2101, so that the vacuum state is formed in the medicament tank 24. Since the dust remover is corrosive, as the preferred scheme of the utility model, the medicament tank 24 is made of GRP material, so as to reduce the corrosion of the dust remover to the medicament tank 24. Secondly, the safety valve 2113 is arranged on the downstream pipeline of the metering pump 2101, when the metering pump 2101 is overpressure, the overpressure dust remover can return to the medicament tank 24 from the safety valve 2113.

[0039] Further, the first electromagnetic valve 2106 and the medicament tank 24 are provided with a first stop valve 2102, an expansion joint 2103 and a first check valve 2104, the first stop valve 2102 is arranged close to the outlet of the medicament tank 24, the first check valve 2104 is arranged close to the first electromagnetic valve 2106, and the expansion joint 2103 is arranged between the first stop valve 2102 and the first check valve 2104; and the medicament pipeline 21 is provided with a fresh water injection valve 2105 between the first check valve 2104 and the first electromagnetic valve 2106.

[0040] Specifically, the outlet of the medicament tank 24 is sequentially provided with the first stop valve 2102, the expansion joint 2103 and the first check valve 2104, wherein the opening degree of the first stop valve 2102 can be adjusted to adjust the flow rate of the medicament pumped out, and the first check valve 2104 is used for preventing the backflow of the dust remover. The expansion joint 2103 is used for reducing the influence of the tank body shaking of the medicament tank 24 on the pipeline. In addition, a fresh water injection valve 2105 is arranged at the outlet of the medicament tank 24, which is used for connecting the fresh water and flushing the pipeline.

[0041] Further, the inlet end of the metering pump 2101 is provided with a first filter 2107, the outlet end of the metering pump 2101 is provided with a second check valve 2109, and the second check valve 2109 and the metering pump 2101 are further provided with a first pressure gauge 2108.

[0042] Specifically, the first filter 2107 is arranged on the upstream pipeline of the metering pump 2101, which is used for filtering the dust remover and reducing the subsequent blockage of the spray head 32. The second check valve 2109 is arranged on the outlet end of the metering pump 2101, which avoids the backflow of the medicament to the metering pump 2101. And the first pressure gauge 2108 arranged on the port of the metering pump 2101 can detect the real-time pressure of the metering pump 2101.

[0043] Further, the medicament pipeline 21 is provided with a third one-way valve 2111 on the side close to the mixing proportional valve 26, the inlet end of the third one-way valve 2111 is provided with a second stop valve 2110, and the second stop valve 2110 is provided with a first drain valve 2112 between the second stop valve 2110 and the mixing proportional valve 26.

[0044] Specifically, the third one-way valve 2111 can prevent the backflow of the mixed dust remover, the second stop valve 2110 can facilitate the maintenance of the subsequent pipeline, and the first drain valve 2112 can empty the pipeline in time to prevent liquid accumulation in the pipeline when the dust suppression system is not used for a long time.

[0045] Further, the seawater tank 25 is provided with a fourth one-way valve 2203, a second filter 2204 and a second pressure gauge 2205 between the seawater tank 25 and the water pump 2201, the fourth one-way valve 2203 is close to the seawater tank 25, the second pressure gauge 2205 is close to the inlet end of the water pump 2201, and the second filter 2204 is arranged between the fourth one-way valve 2203 and the second pressure gauge 2205. The water pump 2201 is provided with a third pressure gauge 2206, a fifth one-way valve 2207 and a third filter 2208 between the water pump 2201 and the second electromagnetic valve 2202, the third pressure gauge 2206 is close to the outlet end of the water pump 2201, the third filter 2208 is close to the second electromagnetic valve 2202, the third filter 2208 is provided with a second drain valve 2212 between the third filter 2208 and the second electromagnetic valve 2202, and the fifth one-way valve 2207 is arranged between the third pressure gauge 2206 and the third filter 2208; and the input end of the third filter 2208 is also communicated with a fire-fighting pipeline 27, and the fire-fighting pipeline 27 is provided with a sixth one-way valve 2209.

[0046] Specifically, the fourth one-way valve 2203 is arranged at the outlet of the seawater tank 25 to prevent seawater in the pipeline from flowing back into the seawater tank 25; the second one-way valve 2109 and the third one-way valve 2111 are arranged at both ends of the water pump 2201 to detect the real-time pressure value of the water pump 2201. Secondly, the second filter 2204 is arranged as a coarse filter on the upstream pipeline of the water pump 2201 to filter seawater for the first time, and the third filter 2208 is arranged downstream of the water pump 2201 as a fine filter to filter seawater for the second time. The sixth one-way valve 2209 can be directly connected to the fire-fighting system on the self-unloading ship, and the fifth one-way valve 2207 can prevent backflow into the water pump 2201. The second drain valve 2212 can drain the accumulated water in the water pipeline 22 in time after cleaning the pipeline 23.

[0047] Further, the second electromagnetic valve 2202 and the mixing proportional valve 26 are provided with a flow switch 2210, and the inlet end of the flow switch 2210 is provided with a fourth pressure gauge 2211.

[0048] Specifically, the flow switch 2210 is arranged on the water pipeline 22 and used for monitoring the water supply flow, and the water pipeline 22 signal output is used for starting the metering pump 2101; and the fourth pressure gauge 2211 is used for detecting the pressure of the water pipeline 22 before entering the flow switch 2210.

[0049] Further, the mixing proportional valve 26 and the spray pipe 31 are provided with a fifth pressure gauge 33, a third drain valve 34 and a purge valve 35, and the fifth pressure gauge 33 is arranged close to the outlet end of the mixing proportional valve 26.

[0050] Specifically, the fifth pressure gauge 33 is used for detecting the pressure value of the mixed medicament before entering the spray pipe 31, the third drain valve 34 is used for discharging the accumulated water and impurities in the pipe after cleaning the spray pipe 31, and the purge valve 35 can be directly connected with compressed air and used for periodically purging the inside of the spray pipe 31.

[0051] Further, the mixing unit 2 further comprises a cleaning pipeline 23, which is arranged between the medicament pipeline 21 and the water pipeline 22, one end of the cleaning pipeline 23 is arranged close to the outlet end of the first electromagnetic valve 2106, the other end of the cleaning pipeline 23 is arranged close to the inlet end of the second electromagnetic valve 2202, and the cleaning pipeline 23 is provided with a third stop valve and a fourth drain valve.

[0052] Specifically, the cleaning pipeline 23 is arranged between the water pipeline 22 and the medicament pipeline 21, and the specific position is between the outlet of the first electromagnetic valve 2106 (before the first filter 2107) and the inlet end of the second electromagnetic valve 2202 (after the third filter 2208); when the pipeline needs to be cleaned, the water pump 2201 pumps out seawater to clean the entire medicament pipeline 21. As a preferred scheme of the utility model, the cleaning pipeline 23 is provided with the third stop valve and the fourth drain valve, the third stop valve and the fourth drain valve are in the closed state when dust suppression is performed; when flushing is performed, the third stop valve is opened, the fourth drain valve is opened after flushing to discharge the accumulated water in the pipe; meanwhile, the first drain valve 2112, the second drain valve 2212 and the third drain valve 34 also need to be opened to discharge the accumulated water in the corresponding pipe section.

[0053] Summarize above, the utility model introduces a kind of self-unloading ship dust suppression system, dust remover and sea water are mixed in the utility model, are sprayed in the top of conveyer belt 1, can effectively inhibit the dust in the area of conveyer belt 1, reduce the risk of fire and explosion, economic and environmental protection;Secondly, remote control is used to control box 4, simple and quick operation, high reliability.

[0054] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A dust suppression system for a self-discharging vessel, characterized in that, It includes: Conveyer belt; Mixing unit, which includes medicament pipeline, water pipeline, medicament tank, seawater tank and mixing proportional valve; both ends of the medicament pipeline are communicated with the medicament tank and the mixing proportional valve respectively, a metering pump is arranged on the medicament pipeline, a first electromagnetic valve is arranged between the outlet end of the medicament tank and the metering pump; both ends of the water pipeline are communicated with the seawater tank and the mixing proportional valve respectively, a water pump is arranged on the water pipeline, a second electromagnetic valve is arranged between the water pump and the mixing proportional valve; Dust suppression unit, which includes spray pipe and multiple spray heads, the spray pipe is arranged on the top of the conveyer belt, multiple spray heads are arranged on the spray pipe, the multiple spray heads are arranged opposite to the conveyer belt, and the spray pipe is communicated with the outlet end of the mixing proportional valve; Control box, which is electrically connected with the metering pump, water pump, first electromagnetic valve and second electromagnetic valve respectively.

2. A dust suppression system for a self-discharging vessel according to claim 1, characterized in that: The medicament tank is provided with an injection joint, a liquid level meter and a vacuum breaking valve on the top, the injection joint is communicated with the inlet of the medicament tank, the detection end of the liquid level meter is inserted into the medicament tank, the vacuum breaking valve is communicated with the inside of the medicament tank, a safety valve is arranged between the metering pump and the mixing proportional valve of the medicament pipeline, and the outlet end of the safety valve is communicated with the injection joint.

3. The dust suppression system for a self-discharging vessel of claim 1, wherein: A first stop valve, an expansion joint and a first check valve are arranged between the first electromagnetic valve and the medicament tank, the first stop valve is arranged close to the outlet of the medicament tank, the first check valve is arranged close to the first electromagnetic valve, the expansion joint is arranged between the first stop valve and the first check valve, and a fresh water injection valve is arranged between the first check valve and the first electromagnetic valve of the medicament pipeline.

4. The dust suppression system for a self-discharging vessel of claim 1, wherein: A first filter is arranged on the inlet end of the metering pump, a second check valve is arranged on the outlet end of the metering pump, and a first pressure gauge is further arranged between the second check valve and the metering pump.

5. The dust suppression system for a self-discharging vessel of claim 1, wherein: A third check valve is arranged on one side of the medicament pipeline close to the mixing proportional valve, a second stop valve is arranged on the inlet end of the third check valve, and a first relief valve is arranged between the second stop valve and the mixing proportional valve.

6. The dust suppression system for a self-discharging vessel of claim 1, wherein: A fourth check valve, a second filter and a second pressure gauge are arranged between the seawater tank and the water pump, the fourth check valve is arranged close to the seawater tank, the second pressure gauge is arranged close to the inlet end of the water pump, and the second filter is arranged between the fourth check valve and the second pressure gauge.

7. The dust suppression system for a self-discharging vessel of claim 1, wherein: A third pressure gauge, a fifth check valve and a third filter are arranged between the water pump and the second electromagnetic valve, the third pressure gauge is arranged close to the outlet end of the water pump, the third filter is arranged close to the second electromagnetic valve, a second relief valve is arranged between the third filter and the second electromagnetic valve, the fifth check valve is arranged between the third pressure gauge and the third filter, and an input end of the third filter is further communicated with a fire fighting pipeline, and a sixth check valve is arranged on the fire fighting pipeline.

8. The dust suppression system for a self-discharging vessel of claim 1, wherein: A flow switch is arranged between the second electromagnetic valve and the mixing proportional valve, and a fourth pressure gauge is arranged on the inlet end of the flow switch.

9. The dust suppression system for a self-discharging vessel of claim 1, wherein: The fifth pressure gauge is arranged near the outlet end of the mixing proportional valve.

10. The dust suppression system for a self-discharging vessel of claim 1, wherein: The mixing unit further comprises a cleaning pipeline arranged between the medicament pipeline and the water pipeline, one end of the cleaning pipeline being arranged near the outlet end of the first electromagnetic valve, and the other end of the cleaning pipeline being arranged near the inlet end of the second electromagnetic valve; the cleaning pipeline is provided with a third stop valve and a fourth drain valve.

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