CN211348033U - Hydrogen sulfide gas monitoring and removing system for offshore wind power - Google Patents
Hydrogen sulfide gas monitoring and removing system for offshore wind power Download PDFInfo
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- CN211348033U CN211348033U CN201922298314.5U CN201922298314U CN211348033U CN 211348033 U CN211348033 U CN 211348033U CN 201922298314 U CN201922298314 U CN 201922298314U CN 211348033 U CN211348033 U CN 211348033U
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Abstract
The utility model discloses a marine wind power is with hydrogen sulfide gas body monitoring and system of getting rid of, including the control end, assemble hydrogen sulfide sensor on basic apron stand, assemble in the ventilation blower on basic apron platform surface, with exhaust duct and power module that the ventilation blower is linked together, exhaust duct's entry is located a tower section of thick bamboo and exports the exhaust duct in order to get rid of the hydrogen sulfide gas body outside being located the tower section of thick bamboo, wherein the hydrogen sulfide sensor with the control end communication is connected, the control end pass through the relay with the ventilation blower electricity is connected. The problem of hydrogen sulfide in the environment of the offshore wind turbine generator is effectively solved.
Description
Technical Field
The utility model relates to an ocean engineering and environmental control technical field especially relate to a hydrogen sulfide gas body monitoring and removing system for offshore wind power.
Background
Hydrogen sulfide is a flammable acidic colorless gas under standard conditions, has a stink egg smell at low concentration, has a sulfur smell at extremely low concentration, has no smell at high concentration (because high-concentration hydrogen sulfide can paralyze olfactory nerve), and is extremely toxic. Even low concentrations of hydrogen sulfide can damage a person's sense of smell. The use of the nose as a means of detecting such gases is fatal. In addition, the hydrogen sulfide is an inflammable and dangerous chemical substance, can form an explosive mixture when being mixed with air, and can cause combustion and explosion when meeting open fire and high heat.
Generation of H in a fan2The reason for S is as follows: animal and plant feces, corpse remains and the like in the wind turbine foundation sea mud are decomposed under the action of anaerobic sulfate reducing bacteria to generate hydrogen sulfide gas. Since it is heavier than air, it gradually accumulates in the bottom tower and the risk factor gradually increases. FIG. 1 shows that the measured hydrogen sulfide concentration of 39.14ppm (million molecules one) exceeds the allowable value of 6.6ppm at the position of the basic cover plate of a certain offshore unit, which threatens the safety of human bodies. (NIOSH Pocket Guide to Chemical Hazards (DHHS No. 2005-149)). In addition, the existing offshore wind turbine hydrogen sulfide removal scheme comprises the following steps:
(1) according to the water pumping scheme, however, sulfate reducing bacteria mainly exist in seawater and sludge in the tower base, water pumping can only reduce the content of the sulfate reducing bacteria in the tower in a limited way, and the sulfate reducing bacteria cannot be completely eradicated. After the pumping scheme is implemented, the odor of the unit becomes heavier instead;
(2) the chemical agent is added to kill sulfate reducing bacteria, so that the generation of hydrogen sulfide can be prevented. However, the throwing amount needs to be calculated according to the water amount in the foundation, and the throwing period needs to be calculated according to the seawater exchange amount in the foundation and outside the tower, but the scheme has great environmental pollution and low availability;
(3) the sealing scheme is that an air sealing platform is designed in the foundation to separate harmful gas and humid air at the lower part from clean and dry air at the upper part. However, due to the moonpool effect, as the water level of the seawater rises, the gas in the foundation is compressed, so that the pressure of the gas in the foundation is increased, and the gas is diffused into the tower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a marine wind power generation unit hydrogen sulfide gas monitoring and system of getting rid of that exist has a great deal of drawback to the problem of getting rid of among the prior art existence, and marine wind power for the wind power monitoring of hydrogen sulfide gas and get rid of, specifically include the monitoring of hydrogen sulfide gas, and the equipment of getting rid of after the monitoring.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
the utility model provides a hydrogen sulfide gas body monitoring and gets rid of system for offshore wind power, includes the control end, assembles hydrogen sulfide sensor on basic apron stand, assemble in the ventilation blower on basic apron platform surface, with exhaust duct and the power module that the ventilation blower is linked together, the entry of exhaust duct is located a tower section of thick bamboo and exports outside being located the tower section of thick bamboo in order to get rid of hydrogen sulfide gas body, wherein the hydrogen sulfide sensor with the control end communication is connected, the control end pass through the relay with the ventilation blower electricity is connected.
In the technical scheme, the type of the hydrogen sulfide sensor is HX-H2And S-760, adopting an RXD-24VDC model for the relay.
In the technical scheme, a fuse is connected to a power supply circuit of the ventilator.
In the technical scheme, the type of the fuse is RT-28N-32X.
In the technical scheme, the hydrogen sulfide gas monitoring and removing system for the offshore wind power further comprises an alarm which is in communication connection with the control end.
In the technical scheme, the alarm is an acousto-optic alarm lamp integrated on the hydrogen sulfide sensor or an acousto-optic alarm lamp assembled outside a tower door.
In the technical scheme, the system for monitoring and removing the hydrogen sulfide gas for the offshore wind power further comprises an infrared remote controller, and the infrared remote controller is in wireless communication connection with the hydrogen sulfide sensor.
In the technical scheme, the exhaust duct comprises a hard pipe section which is fixed on the basic cover plate platform and the end part of which is communicated with the inlet of the ventilator, an exhaust pipe section which is fixed through a bracket, and a hose section, wherein one end of the hose section is communicated with the outlet of the ventilator, and the other end of the hose section is communicated with the exhaust pipe section, and the inlet of the hard pipe section is positioned below the basic cover plate platform.
In the technical scheme, 220V alternating current of a power supply module is converted into 24V direct current through an alternating current-direct current converter, and a fuse is arranged between the power supply module and the alternating current-direct current converter;
a power supply interface of the hydrogen sulfide sensor is connected with a 24V direct current output port of the alternating current-direct current converter;
a 485 network port conversion module is connected to a communication interface of the hydrogen sulfide sensor, a network port is arranged on the 485 network port conversion module to be connected with the control end, and power contacts of the 485 network port conversion module are respectively connected with a 24V direct current output port;
an acousto-optic alarm lamp is connected to an acousto-optic alarm interface of the hydrogen sulfide sensor;
the control interface of the hydrogen sulfide sensor is provided with a normally open contact, a common contact and a normally closed contact, the normally open contact is electrically connected with a 24V + contact of a 24V direct current output port, the common contact is electrically connected with one end of a coil of the relay, the other end of the coil of the relay 4 is electrically connected with a 24V-contact of the 24V direct current output port, the normally open end of the relay is connected with a 220V live wire, and the other end of the relay is connected with the ventilator.
In the above technical scheme, an air switch is arranged between the power supply module and the fuse.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses carry out hydrogen sulfide concentration real-time supervision at unit internally mounted hydrogen sulfide sensor, the effectual hydrogen sulfide problem of having solved appearance in the offshore wind power unit environment, when hydrogen sulfide concentration was too high, the hydrogen sulfide sensor can be to ventilation blower transmission signal through the relay to start the fan, with the hydrogen sulfide gas discharge unit outside, thereby control and reduction hydrogen sulfide concentration reach the purpose to the person and equipment safety protection.
2. The system can also be applied to other aspects such as ocean engineering, fishery, gas pipelines and the like except for offshore wind power, and has wide application range.
Drawings
FIG. 1 is a topological view of a hydrogen sulfide monitoring and removal system.
FIG. 2 is a schematic diagram of an offshore wind power plant installation for a hydrogen sulfide monitoring and removal system.
FIG. 3 is a circuit diagram of a hydrogen sulfide monitoring and removal system.
In the figure: 1-control end, 2-base cover plate upright post, 3-ventilator, 4-relay, 5-hydrogen sulfide sensor, 6-acousto-optic alarm lamp, 7-hard pipe section, 8-discharge pipe section, 9-hose section, 10-tower, 11-AC/DC converter, 12-fuse, 13-485-turn net mouth module
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The utility model provides a hydrogen sulfide gas body monitoring and gets rid of system for offshore wind power, includes control end 1, assembles hydrogen sulfide sensor 5 on basic apron stand 2, assemble in the ventilation blower 3 on basic apron platform surface, with exhaust duct and the power module that ventilation blower 3 is linked together, exhaust duct's entry is located tower section of thick bamboo 10 and exports outside being located the tower section of thick bamboo in order to get rid of hydrogen sulfide gas body, wherein hydrogen sulfide sensor 5 with 1 communication connection of control end, control end 1 pass through relay 4 with 3 electricity connections of ventilation blower.
The hydrogen sulfide sensor 5 can monitor the concentration of hydrogen sulfide in real time and transmit the concentration to the control end 1, when the concentration is larger than a set threshold value, the control end 1 controls the relay 4 to start, the ventilator 3 operates to discharge the hydrogen sulfide gas in the tower, when the hydrogen sulfide sensor 5 monitors that the concentration of hydrogen sulfide is in a normal horizontal range, the control end 1 controls the relay 4 to close, the ventilator 3 stops operating, the hydrogen sulfide can perform electrochemical reaction with components in the hydrogen sulfide sensor 5, and therefore the real-time concentration of the hydrogen sulfide gas in the environment is obtained. The range is 50-500ppm, preferably 50ppm, with a resolution of 0.01 to 5ppm, preferably 0.01 ppm. The hydrogen sulfide sensor 5 can adopt HX-H2Model S-760.
The relay 4 can convert 24V dc power to 220V ac power. The maximum withstand voltage is 220-500V, preferably 250V. The maximum withstand current is 5-10A, preferably 7A. The relay adopts an RXD-24VDC model.
The power supply module provides an alternating current power supply and a direct current power supply, converts 220V alternating current into 24V direct current and supplies power to the hydrogen sulfide monitoring device, and the input voltage is 100-240V, preferably 220V. The output voltage is 10-30V, preferably 24V.
The power of the ventilator 3 is 0.3kw-1kw, preferably 0.4 kw. The rated voltage is 220V-380V, preferably 220V. Rated air volume of 200-3H, preferably 420m3/h。
For the convenience of assembly, the hydrogen sulfide sensor 5 is fixed on the foundation cover plate upright post 2 through bolts, and the ventilator 3 is fixed on the surface of the foundation cover plate platform through bolts.
The control end 1 can adopt a computer or a network server, the hydrogen sulfide sensor 5 monitors concentration signals of hydrogen sulfide gas in real time and transmits the signals to the control end 1, and the control end 1 transmits the signals to a computer display end or a mobile phone display end for display in an internet communication mode. The signal processing and display method is the prior art and is not described herein again.
Example 2
In order to maintain the normal operation of the ventilator 3 and avoid overheating damage, a fuse 12 is connected to the power supply circuit of the ventilator 3. The power supply circuit plays a role of temperature overheating protection when the load is too high, and can bear the maximum voltage of 500-1000V, preferably 500V and the maximum current of 30-50A, preferably 32A. The fuse 12 may be of the type RT-28N-32X.
In order to improve the warning performance of the system, the hydrogen sulfide gas monitoring and removing system for the offshore wind power further comprises an alarm which is in communication connection with the control end 1. When the concentration of the hydrogen sulfide gas is larger than the set threshold value, the control end 1 controls the operation of the secondary alarm to provide warning information.
More preferably, the alarm is an acousto-optic alarm lamp integrated on the hydrogen sulfide sensor 5 or an acousto-optic alarm lamp 6 assembled outside the doorway of the tower barrel. When the assembly is outside a tower barrel door opening, the installation can be carried out in a ribbon connection mode, and the assembly is convenient for constructors to find. The hydrogen sulfide concentration alarm concentration is preferably 6.60 ppm.
In order to set the alarm concentration conveniently, the hydrogen sulfide gas monitoring and removing system for the offshore wind power further comprises an infrared remote controller, and the infrared remote controller is in wireless communication connection with the hydrogen sulfide sensor 5. The infrared remote controller and the hydrogen sulfide sensor 5 can adopt commercial matching components. The concentration of the hydrogen sulfide sensor 5 is set through an infrared remote controller, so that the method is simple, convenient and quick.
Example 3
In order to ensure the convenience of the arrangement of the exhaust duct, the exhaust duct comprises a hard pipe section 7 which is fixed on the basic cover plate platform and the end part of which is communicated with the inlet of the ventilator 3, an exhaust pipe section 8 which is fixed through a bracket, and a hose section 9, one end of which is communicated with the outlet of the ventilator 3 and the other end of which is communicated with the exhaust pipe section 8, wherein the inlet of the hard pipe section 7 is positioned below the basic cover plate platform.
The hose section 9 is connected with the outlet of the ventilator 3 and the tower wall through a binding belt, and the discharge pipe section 8 is fixed at the cable routing hole of the tower wall through a support.
Example 4
This embodiment describes the circuit connection relationship of the present system in detail.
The 220V alternating current of the power supply module is converted into 24V direct current through the alternating current-direct current converter 11, and the power supply module and the alternating current-direct current converter 11 are provided with a fuse 12;
a power supply interface of the hydrogen sulfide sensor 5 is connected with a 24V direct current output port of the alternating current-direct current converter 11;
a 485 net-rotating module 13 is connected to a communication interface of the hydrogen sulfide sensor 5, a net opening is arranged on the 485 net-rotating module 13 to be connected with the control end 1 (a computer or a network server), and power contacts of the 485 net-rotating module 13 are respectively connected with a 24V direct current output port;
an acousto-optic alarm lamp 6 is connected to an acousto-optic alarm interface of the hydrogen sulfide sensor 5;
the control interface of the hydrogen sulfide sensor 5 is provided with a normally open contact, a common contact and a normally closed contact, the normally open contact is electrically connected with a 24V + contact of a 24V direct current output port, the common contact is electrically connected with one end of a coil of the relay 4, the other end of the coil of the relay 4 is electrically connected with a 24V-contact of the 24V direct current output port, the normally open end of the relay 4 is connected with a 220V live wire, and the other end of the relay is connected with the ventilator 3.
Preferably, an air switch is provided between the power supply module and the fuse 12.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The hydrogen sulfide gas monitoring and removing system for the offshore wind power is characterized by comprising a control end, a hydrogen sulfide sensor assembled on a base cover plate stand column, a ventilator assembled on the surface of a base cover plate platform, an exhaust pipeline communicated with the ventilator and a power supply module, wherein the inlet of the exhaust pipeline is positioned in a tower barrel, the outlet of the exhaust pipeline is positioned outside the tower barrel to remove the hydrogen sulfide gas, the hydrogen sulfide sensor is in communication connection with the control end, and the control end is electrically connected with the ventilator through a relay.
2. The offshore wind power hydrogen sulfide gas monitoring and removal system of claim 1, wherein the hydrogen sulfide sensor is of type HX-H2And S-760, adopting an RXD-24VDC model for the relay.
3. The system of claim 1, wherein a fuse is connected to the power supply circuit of the ventilator.
4. The system of claim 3, wherein the fuse is of the type RT-28N-32X.
5. The system of claim 1, further comprising an alarm in communication with the control terminal.
6. The system for monitoring and removing hydrogen sulfide gas for offshore wind power as claimed in claim 5, wherein the alarm is an acousto-optic alarm lamp integrated on a hydrogen sulfide sensor or an acousto-optic alarm lamp assembled outside a tower door.
7. The system of claim 1, further comprising an infrared remote controller, wherein the infrared remote controller is in wireless communication with the hydrogen sulfide sensor.
8. The system of claim 1, wherein the exhaust duct comprises a rigid pipe section fixed to the base cover platform and having an end portion in communication with the inlet of the ventilator, an exhaust pipe section fixed by a bracket, and a hose section having one end in communication with the outlet of the ventilator and the other end in communication with the exhaust pipe section, wherein the inlet of the rigid pipe section is located below the base cover platform.
9. The system for monitoring and removing hydrogen sulfide gas for offshore wind power as claimed in claim 1, wherein 220V ac of the power supply module is converted into 24V dc by an ac/dc converter, and the power supply module and the ac/dc converter are provided with a fuse;
a power supply interface of the hydrogen sulfide sensor is connected with a 24V direct current output port of the alternating current-direct current converter;
a 485 network port conversion module is connected to a communication interface of the hydrogen sulfide sensor, a network port is arranged on the 485 network port conversion module to be connected with the control end, and power contacts of the 485 network port conversion module are respectively connected with a 24V direct current output port;
an acousto-optic alarm lamp is connected to an acousto-optic alarm interface of the hydrogen sulfide sensor;
the control interface of the hydrogen sulfide sensor is provided with a normally open contact, a common contact and a normally closed contact, the normally open contact is electrically connected with a 24V + contact of a 24V direct current output port, the common contact is electrically connected with one end of a coil of the relay, the other end of the coil of the relay is electrically connected with a 24V-contact of the 24V direct current output port, the normally open end of the relay is connected with a 220V live wire, and the other end of the relay is connected with the ventilator.
10. The system of claim 9, wherein an air gap is provided between the power module and the fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922298314.5U CN211348033U (en) | 2019-12-19 | 2019-12-19 | Hydrogen sulfide gas monitoring and removing system for offshore wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922298314.5U CN211348033U (en) | 2019-12-19 | 2019-12-19 | Hydrogen sulfide gas monitoring and removing system for offshore wind power |
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| Publication Number | Publication Date |
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| CN211348033U true CN211348033U (en) | 2020-08-25 |
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| CN201922298314.5U Active CN211348033U (en) | 2019-12-19 | 2019-12-19 | Hydrogen sulfide gas monitoring and removing system for offshore wind power |
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