CN217155996U - Device for ensuring constant-current sampling of desulfurized flue gas - Google Patents

Abstract

The utility model discloses a guarantee device of desulfurization flue gas constant current sampling belongs to desulfurization flue gas detection technical field, which comprises a housin, the surface rigid coupling of casing has linking frame, link up and install the motor in the frame, the rigid coupling has the transmission shaft on the output of motor, the annular has been seted up to the surface of transmission shaft, and the tip rigid coupling of transmission shaft has gear one, the meshing is connected with gear two on the lateral wall of gear one, the fixed hub connection has the pivot in the gear two, the fixed hub connection of the other end of pivot has the flabellum, and the surface rotation of pivot has cup jointed the mount, the resilience mechanism is installed to the bottom of casing. The sampling device can improve the sampling pressure of the sampling device, avoids the environment-friendly equipment from exiting from an automatic control mode, further does not need manual adjustment of operators, not only ensures the accuracy of operation adjustment, but also avoids manual misoperation events, can recover heat energy, avoids energy waste, and can meet the requirements of energy conservation and emission reduction.

Description

Device for ensuring constant-current sampling of desulfurized flue gas

Technical Field

The utility model relates to a desulfurization flue gas detects technical field, specifically is a guarantee device of desulfurization flue gas constant current sampling.

Background

The CEMS sampling point of the desulfurization of the Huaneng Anyuan power plant is positioned at 65 meters of a total discharge outlet of a chimney, and is connected with a data analysis instrument at 35 meters of the total discharge outlet of the chimney through a heat-resistant anticorrosive tetrafluoro pipe, a connecting pipeline is about 50 meters long, a sampling device is positioned at 65 meters, flue gas at 65 meters is pumped into the 35 meters for measurement and data display, the data is transmitted to a DCS (distributed control system) system for observation by operating personnel, and the operation mode of a slurry circulating pump and the amount of sprayed ammonia are adjusted in time according to the change trend of the data;

the problem of sampling pressure reduction easily appears in general sampling device on the market to make environmental protection equipment withdraw from the automatic control mode, can only be by the manual regulation of operation personnel, seriously influence the precision of operation regulation, in case take place artificial maloperation incident or artificial regulation slightly untimely, just arouse the risk that environmental protection data surpasses very easily, and the heat energy in the flue gas can't be retrieved to general sampling device, thereby the useless energy, can't reach energy saving and emission reduction's requirement, the problem of device defect has been brought, for this reason, we provide a device of assurance desulfurization flue gas constant current sampling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a guarantee device of desulfurization flue gas constant current sampling, in order to solve the problem that the general sampling device that provides in the above-mentioned background art easily appears the reduction of sampling pressure, thereby make environmental protection equipment withdraw from the automatic control mode, can only be adjusted by the operating personnel manual, seriously influence the precision of operation regulation, in case it is slightly untimely to take place artificial maloperation incident or artificial regulation, just arouse the super-arranged risk of environmental protection data very easily, and the heat energy in the unable recovery flue gas of general sampling device, thereby the useless energy of white, can't reach energy saving and emission reduction's requirement, the problem of device defect has been brought.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a guarantee device of desulfurization flue gas constant current sampling, includes the casing, the surface rigid coupling of casing has linking frame, install the motor in the linking frame, the rigid coupling has the transmission shaft on the output of motor, the annular has been seted up to the surface of transmission shaft, and the tip rigid coupling of transmission shaft has gear one, the meshing is connected with gear two on the lateral wall of gear one, the fixed cover has connect the pivot in the gear two, the other end fixed cover of pivot has connect the flabellum, and the surface of pivot rotates and has cup jointed the mount, the resilience mechanism is installed to the bottom of casing.

Preferably, the mount is the setting of trident type, and the internal surface rigid coupling of mount and casing, the transmission shaft runs through the lateral wall of casing, the annular rotates with the lateral wall of casing and cup joints.

Preferably, the motor drives the rotating shaft and the fan blades to rotate through the transmission shaft, the first gear and the second gear, and the fan blades are perpendicular to the central axis of the shell.

Preferably, the energy recovery mechanism comprises a heat transfer plate, the heat transfer plate is fixedly connected with the inner surface of the shell, a thermoelectric material is fixedly sleeved in the heat transfer plate, two ends of the thermoelectric material are fixedly connected with conducting wires, and the other ends of the conducting wires are respectively and fixedly connected with a positive terminal and a negative terminal.

Preferably, the positive terminal and the negative terminal are both fixedly connected with the outer surface of the shell, and the heat transfer plate is spirally arranged.

Preferably, the heat transfer plate is located at one end of the thermoelectric material, and the thermoelectric material is located on a central axis of the case.

Preferably, the thermoelectric material transmits electric energy through a wire, a positive terminal and a negative terminal.

Compared with the prior art, the beneficial effects of the utility model are that:

the sampling device drives the first gear to rotate through the transmission shaft on the motor, so that the second gear meshed with the first gear drives the rotating shaft to rotate, the rotating shaft drives the fan blades to rotate under the limit of the fixing frame, the fan blades stir air to form negative pressure, and the fan blades are matched with the shell to absorb smoke, so that the sampling pressure of the sampling device is improved, the environment-friendly equipment is prevented from exiting from an automatic control mode, manual adjustment of operators is not needed, the accuracy of operation adjustment is guaranteed, and manual misoperation events are avoided;

this sampling device sets up the area of contact who improves with the flue gas through the spiral of heat transfer plate for heat in the flue gas can fully transmit to the heat transfer plate in, again by the heat transfer plate with heat transfer to thermoelectric material's one end, make the directional removal of electron in the thermoelectric material, thereby produce electric current, on wire on the rethread thermoelectric material transmits electric current to positive terminal, store the electric energy by the electrical storage ware of connecting positive terminal and negative terminal, reach the purpose of retrieving the thermal energy, avoid the energy to be wasted, can reach energy saving and emission reduction's requirement.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a second gear of the present invention;

FIG. 3 is a top cross-sectional view of the housing structure of the present invention;

fig. 4 is the structural schematic diagram of the linking frame of the present invention.

In the figure: 1. a housing; 2. a linking frame; 3. an electric motor; 4. a drive shaft; 5. a ring groove; 6. a first gear; 7. a second gear; 8. a rotating shaft; 9. a fan blade; 10. a fixed mount; 11. a energy recovery mechanism; 111. a heat transfer plate; 112. a thermoelectric material; 113. a wire; 114. a positive terminal; 115. and a negative terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-4, the present invention provides a technical solution: a device for ensuring constant-current sampling of desulfurized flue gas comprises a shell 1, a connecting frame 2 is fixedly connected to the outer surface of the shell 1, a motor 3 is installed in the connecting frame 2, a transmission shaft 4 is fixedly connected to the output end of the motor 3, an annular groove 5 is formed in the outer surface of the transmission shaft 4, a first gear 6 is fixedly connected to the end portion of the transmission shaft 4, a second gear 7 is connected to the side wall of the first gear 6 in a meshed mode, a rotating shaft 8 is fixedly sleeved in the second gear 7, a fan blade 9 is fixedly sleeved at the other end of the rotating shaft 8, a fixing frame 10 is rotatably sleeved on the outer surface of the rotating shaft 8, a resilience mechanism 11 is installed at the bottom end of the shell 1, the fixing frame 10 is in a three-fork-shaped arrangement, the fixing frame 10 is fixedly connected to the inner surface of the shell 1, the transmission shaft 4 penetrates through the side wall of the shell 1, the annular groove 5 is rotatably sleeved with the side wall of the shell 1, and the motor 3 drives the rotating shaft 8 and the fan blade 9 to rotate through the transmission shaft 4, the first gear 6 and the second gear 7, the fan blades 9 are arranged perpendicular to the central axis of the housing 1.

Specifically, at the in-process that increases sampling pressure, start linking up motor 3 on the frame 2, make 4 drive gear 6 rotations of transmission shaft on the motor 3, thereby make two 7 drive pivot 8 rotations of gear that are connected with the meshing of gear 6, make pivot 8 drive flabellum 9 rotation under the spacing of mount 10, make flabellum 9 mix the air and form the negative pressure, and then make flabellum 9 cooperate 1 absorption flue gas of casing, thereby improve sampling device's sampling pressure, avoid environmental protection equipment to withdraw from the automatic control mode, and then need not the operation personnel manual regulation, the precision of operation regulation has not only been ensured, the human maloperation incident has still been avoided.

Example 2:

referring to fig. 1, the present invention provides a technical solution: the utility model provides a guarantee device of desulfurization flue gas constant current sampling, energy recovery mechanism 11 includes heat transfer plate 111, heat transfer plate 111 and the internal surface rigid coupling of casing 1, and heat transfer plate 111 internal fixation has cup jointed thermoelectric material 112, thermoelectric material 112's both ends all rigid coupling have wire 113, wire 113's the other end rigid coupling has anodal terminal 114 and negative terminal 115 respectively, anodal terminal 114 and negative terminal 115 all with the surface rigid coupling of casing 1, heat transfer plate 111 is the spiral setting, heat transfer plate 111 is located thermoelectric material 112's one end, thermoelectric material 112 is located the axis of casing 1, thermoelectric material 112 passes through wire 113, anodal terminal 114 and negative terminal 115 transmission electric energy.

Specifically, in the process of recovering the heat of the flue gas, the flue gas can pass through the heat transfer plate 111, the spiral arrangement of the heat transfer plate 111 can improve the contact area with the flue gas, so that the heat in the flue gas can be fully transferred into the heat transfer plate 111, then the heat transfer plate 111 transfers the heat to one end of the thermoelectric material 112, so that electrons in the thermoelectric material 112 move directionally, thereby generating current, then the current is transferred to the positive terminal 114 through the conducting wire 113 on the thermoelectric material 112, and most of all, the electric energy is stored by the electric energy storage device connected with the positive terminal 114 and the negative terminal 115, so that the purpose of recovering the heat energy is achieved, the waste of energy is avoided, and the requirements of energy conservation and emission reduction can be met.

The working principle is as follows: when the sampling pressure of the sampling device is reduced, the motor 3 on the connecting frame 2 is started, so that the transmission shaft 4 on the motor 3 drives the gear I6 to rotate, the gear II 7 meshed with the gear I6 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the fan blade 9 to rotate under the limit of the fixing frame 10, the fan blade 9 stirs air to form negative pressure, the fan blade 9 is matched with the shell 1 to absorb smoke, the sampling pressure of the sampling device is improved, the environment-friendly equipment is prevented from exiting from an automatic control mode, the manual adjustment of operators is not needed, the accuracy of operation adjustment is ensured, manual misoperation events are avoided, the smoke passes through the heat transfer plate 111 after entering the shell 1, the spiral arrangement of the heat transfer plate 111 can improve the contact area with the smoke, the heat in the smoke can be fully transferred into the heat transfer plate 111, and then the heat transfer plate 111 transfers the heat to one end of the thermoelectric material 112, electrons in the thermoelectric material 112 move directionally to generate current, the current is transmitted to the positive terminal 114 through the lead 113 on the thermoelectric material 112, and the electric energy is stored by the accumulator connected with the positive terminal 114 and the negative terminal 115, so that the purpose of recovering the heat energy is achieved, the waste of energy is avoided, the requirements of energy conservation and emission reduction can be met, and the operation is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a guarantee device of desulfurization flue gas constant current sampling, includes casing (1), its characterized in that: the surface rigid coupling of casing (1) has linking frame (2), install motor (3) in linking frame (2), the rigid coupling has transmission shaft (4) on the output of motor (3), annular (5) have been seted up to the surface of transmission shaft (4), and the tip rigid coupling of transmission shaft (4) has gear (6), the meshing is connected with gear two (7) on the lateral wall of gear (6), the fixed cover has been cup jointed pivot (8) in gear two (7), the other end fixed cup joint of pivot (8) has flabellum (9), and the surface of pivot (8) rotates and has cup jointed mount (10), energy-returning mechanism (11) are installed to the bottom of casing (1).

2. The device for ensuring the constant-current sampling of the desulfurized flue gas according to claim 1, wherein: mount (10) are the setting of trident type, and the internal surface rigid coupling of mount (10) and casing (1), transmission shaft (4) run through the lateral wall of casing (1), annular (5) rotate with the lateral wall of casing (1) and cup joint.

3. The device for ensuring the constant-current sampling of the desulfurized flue gas according to claim 1, wherein: the motor (3) drives the rotating shaft (8) and the fan blades (9) to rotate through the transmission shaft (4), the first gear (6) and the second gear (7), and the fan blades (9) are perpendicular to the central axis of the shell (1).

4. The device for ensuring the constant-current sampling of the desulfurized flue gas according to claim 1, wherein: the energy recovery mechanism (11) comprises a heat transfer plate (111), the heat transfer plate (111) is fixedly connected with the inner surface of the shell (1), a thermoelectric material (112) is fixedly sleeved in the heat transfer plate (111), two ends of the thermoelectric material (112) are fixedly connected with a lead (113), and the other end of the lead (113) is fixedly connected with a positive terminal (114) and a negative terminal (115) respectively.

5. The device for ensuring the constant-current sampling of the desulfurized flue gas according to claim 4, wherein: the positive terminal (114) and the negative terminal (115) are fixedly connected with the outer surface of the shell (1), and the heat transfer plate (111) is spirally arranged.

6. The device for ensuring the constant-current sampling of the desulfurized flue gas according to claim 4, wherein: the heat transfer plate (111) is positioned at one end of the thermoelectric material (112), and the thermoelectric material (112) is positioned on the central axis of the shell (1).

7. The device for ensuring the constant-current sampling of the desulfurized flue gas according to claim 4, wherein: the thermoelectric material (112) transmits electric energy through a lead (113), a positive terminal (114) and a negative terminal (115).

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