CN216894938U - Screw pump for hot galvanizing slag discharging - Google Patents
Screw pump for hot galvanizing slag discharging Download PDFInfo
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- CN216894938U CN216894938U CN202123293411.9U CN202123293411U CN216894938U CN 216894938 U CN216894938 U CN 216894938U CN 202123293411 U CN202123293411 U CN 202123293411U CN 216894938 U CN216894938 U CN 216894938U
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Abstract
The utility model relates to the field of liquid variable-volume machinery of a rotary piston or a swinging piston, in particular to a screw pump for hot galvanizing slag removal. The utility model provides a screw pump for hot dip galvanizing arranges sediment, includes zinc pot (1) and stove nose (2), characterized by: still include pump shell pipe (3), lower mounting panel (41), upper bracket frame (42), bearing frame (5), bearing (51), shaft coupling (6), motor (7), transmission shaft (8) and flight (9), be equipped with zinc discharge mouth (32) on pump shell pipe (3) the lateral surface, bearing frame (5) are fixed on lower mounting panel (41), upper bracket frame (42) are fixed on bearing frame (5), upper bracket frame (42) are located in shaft coupling (6), the casing of motor (7) is fixed on upper bracket frame (42), be equipped with flight (9) on the lateral surface of transmission shaft (8) middle part to bottom. The utility model has stable work, strong adaptability, safety and reliability.
Description
Technical Field
The utility model relates to the field of liquid variable-volume machinery of a rotary piston or a swinging piston, in particular to a screw pump for hot galvanizing slag removal.
Background
At present, the hot galvanizing process of strip steel is widely applied, zinc slag and zinc ash generated during hot galvanizing operation need to be discharged in time, the current slag discharging method is that a slag discharging furnace nose is arranged at the end part of a chute connected with a zinc pot and an annealing furnace, part of the slag discharging furnace nose is immersed in zinc liquid, zinc slag and zinc ash on the surface of the zinc liquid in the furnace nose cavity are discharged into the zinc pot by a pump, the zinc slag and the zinc ash discharged into the zinc pot become scum, and the scum and the zinc ash can be fished out in a manual slag fishing mode, so that the surface of the zinc liquid in the furnace nose is cleaner, and the influence of the zinc slag and the zinc ash on the surface quality of the strip steel is eliminated.
At present, most of strip steel continuous hot galvanizing production lines adopt a deslagging centrifugal pump to discharge zinc ash and zinc slag in a furnace nose, when the method is used, a suction inlet of the pump needs to be immersed below the zinc liquid level, and the zinc liquid is continuously sucked and discharged together with the zinc ash and the zinc slag due to the action of centrifugal force. This method has the following problems:
1. when zinc slag and zinc ash are pumped and discharged, the centrifugal force can cause great disturbance to the liquid level of a zinc pot during discharging, and sometimes can cause inaccurate measurement of the liquid level of the zinc pot by a liquid level meter;
2. the temperature in the zinc pot is high, generally above 460 ℃, the helical blade and the cavity of the screw pump are immersed below the zinc liquid surface, 316L and other heat-resistant and corrosion-resistant stainless steel materials are adopted and the surface is sprayed, the bearings, the shaft coupling, the motor and other components are connected with the helical blade through the long shaft, the distance from the zinc liquid surface is short, the environmental temperature is generally about 120-150 ℃, the high temperature and more dust often cause the motor to have short service life, and the motor breaks down every 2-3 days, so that the continuous operation of the screw pump is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a screw pump for hot galvanizing slag removal, which aims to overcome the defects of the prior art and provide slag removal equipment with stable work, strong adaptability, safety and reliability.
The utility model achieves the purpose by the following technical scheme:
the utility model provides a screw pump for hot-galvanize is arranged sediment, includes zinc pot and furnace nose, holds the zinc liquid in the zinc pot, and the lower part submergence of furnace nose is under the zinc liquid level in the zinc pot, characterized by: also comprises a pump shell pipe, a lower mounting plate, an upper support frame, a bearing seat, a bearing, a coupling, a motor, a transmission shaft and a spiral sheet,
the bottom end of a pump shell pipe extends into the position below the liquid level of zinc liquid in a zinc pot and passes through the inner end of a flange interface guide pipe, the outer end of the guide pipe is inserted into a furnace nose from the bottom end of the furnace nose and is arranged below the liquid level of the zinc liquid in the furnace nose, the top end of the pump shell pipe extends out of the position above the liquid level of the zinc liquid in the zinc pot, the outer side surface of a pump shell pipe is provided with a zinc discharge port, the bottom edge and the top edge of the zinc discharge port are respectively arranged below and above the liquid level of the zinc liquid in the zinc pot, a lower mounting plate is fixed on the top end of the pump shell pipe, the lower mounting plate is provided with a shaft hole communicated with the inner cavity of the pump shell pipe, a bearing seat is fixed on the lower mounting plate, a bearing is sleeved on the bearing seat, an upper support frame is fixed on the upper support frame, a motor shell is fixed on the upper support frame, an output shaft of the motor extends into the upper support frame and is fixed at the input end of the coupling, a transmission shaft is sleeved in the pump shell pipe, the top end of the transmission shaft penetrates out of the pump shell pipe, the top end of the pump shell pipe sequentially penetrates through the lower mounting plate and the bearing and then is fixed on the output end of the coupling, the outer side surface from the middle part to the bottom end of the transmission shaft is provided with a spiral sheet.
The screw pump for hot galvanizing slag removal is characterized in that: also comprises an interlayer sleeve, a condenser and a heat conducting pipe,
the intermediate layer cover includes inlayer, intermediate level and skin, the intermediate level presss from both sides to be located the inlayer with between the skin, the inlayer hoop of intermediate layer cover is established outside the casing of motor, and the air inlet and the external atmosphere of condenser link up, and the intermediate level of intermediate layer cover is connected to the gas transmission mouth of condenser, and the intermediate level of intermediate layer cover is connected to the one end of heat pipe, and the other end and the external atmosphere of heat pipe link up.
The screw pump for hot galvanizing slag removal is characterized in that: the device also comprises a control module which is used for controlling the device,
the control module is connected with a motor through a signal wire, the motor is a variable-frequency speed-regulating motor, and the control module is an industrial personal computer or a programmable controller.
When the utility model is used: the method is implemented in sequence according to the following steps:
the motor is started, an output shaft of the motor drives the spiral sheet to rotate through the coupler and the transmission shaft, the zinc liquid in the furnace nose and zinc slag zinc ash mixed in the zinc liquid are lifted when the spiral sheet rotates, and the zinc liquid and the zinc slag zinc ash are lifted to a zinc discharge port along the inner cavity of the pump shell pipe and are discharged into the zinc liquid in the zinc pot; the spiral piece only changes the potential energy of zinc liquid when promoting the operation, and change very little to the kinetic energy of zinc liquid, and the theory of operation is different from the potential energy and the kinetic energy that centrifugal pump converts the electric energy into the transport liquid, therefore the screw piece is less than the disturbance to zinc liquid level in the zinc pot with the centrifugal pump, avoids disturbing the liquid level of measuring zinc liquid in the zinc pot.
When the utility model is provided with the interlayer sleeve, the condenser and the heat conduction pipe, the utility model comprises the following components in use:
when the motor works, the outside air enters the condenser and is cooled into cold air, then the cold air is input into the middle layer of the interlayer sleeve, the heat generated by the motor is transmitted into the middle layer through the inner layer of the interlayer sleeve, and the cold air in the middle layer of the interlayer sleeve is heated by the heat generated by the motor and then is discharged through the heat conducting pipe; the condenser cools the outside atmosphere into low-temperature compressed air to neutralize the heat of the motor during working, so that the temperature rise of the motor during working is reduced, the motor is ensured to meet the continuous operation of hot galvanizing, and the service life is prolonged.
When the utility model is provided with the interlayer sleeve, the condenser, the heat conduction pipe and the control module, the utility model comprises the following components in use: when the motor works, the control module controls the frequency of the motor so as to control the rotating speed of the motor.
The single-stage screw pump is formed by the motor, the coupling, the transmission shaft and the screw sheet and is used for lifting the zinc liquid and zinc ash in the zinc slag and removing the zinc ash and the zinc slag in time, so that the surface quality of the hot-dip galvanized plate is improved, meanwhile, the disturbance to the liquid level of the zinc liquid in the zinc pot can be greatly reduced, the interference in measuring the liquid level of the zinc liquid in the zinc pot is avoided, and the implementation of an automatic zinc adding device is facilitated;
the heat generated by the motor is cooled by cold air generated by the condenser, so that the temperature rise is reduced, the motor can continuously work for 24 hours, and the hot galvanizing hot dip galvanizing hot;
the motor is controlled by frequency conversion and is connected with the control module, so that various parameters of the motor during working can be displayed in real time to monitor the working state, the rotating speed of the motor can be timely adjusted by the control module according to production conditions (such as zinc slag and zinc ash), the operation is convenient and reliable, and a quantitative operation system is convenient to form.
The utility model has the following beneficial effects: the work is steady, strong adaptability, safe and reliable.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
figure 2 is a schematic diagram of the structure of the present invention with an interlayer jacket, a condenser and a heat conducting pipe,
FIG. 3 is a schematic of the structure of the present invention with an interlayer jacket, condenser, heat pipe, and control module.
Detailed Description
The utility model is further illustrated by the following specific examples.
Example 1
The utility model provides a screw pump for hot dip galvanizing row sediment, includes zinc pot 1, stove nose 2, pump case pipe 3, lower mounting panel 41, upper support frame 42, bearing frame 5, bearing 51, shaft coupling 6, motor 7, transmission shaft 8 and flight 9, as shown in figure 1, the concrete structure is:
the zinc pot 1 is filled with zinc liquid, the lower part of the furnace nose 2 is immersed under the liquid level of the zinc liquid in the zinc pot 1, the bottom end of the pump shell pipe 3 extends into the zinc pot 1 below the liquid level of the zinc liquid and passes through the inner end of the flange interface guide pipe 31, the outer end of the guide pipe 31 is inserted into the furnace nose 2 from the bottom end of the furnace nose 2 and is arranged below the liquid level of the zinc liquid in the furnace nose 2, the top end of the pump shell pipe 3 extends out of the liquid level of the zinc liquid in the zinc pot 1, the outer side surface of the pump shell pipe 3 is provided with a zinc discharge port 32, the bottom edge and the top edge of the zinc discharge port 32 are respectively arranged below and above the liquid level of the zinc liquid in the zinc pot 1, the lower mounting plate 41 is fixed on the top end of the pump shell pipe 3, the lower mounting plate 41 is provided with a shaft hole communicated with the inner cavity of the pump shell pipe 3, the bearing block 5 is fixed on the lower mounting plate 41, the bearing 51 is sleeved in the bearing block 5, the upper support 42 is fixed on the bearing block 5, the coupling 6 is arranged in the upper support 42, the shell of the motor 7 is fixed on the upper support 42, the output shaft of motor 7 stretches into in upper support frame 42 and fixes at the input of shaft coupling 6, and 8 covers of transmission shaft are established in pump shell pipe 3, and the top of transmission shaft 8 is worn out pump shell pipe 3 and is fixed at the output of shaft coupling 6 after passing lower mounting panel 41 and bearing 51 in proper order, is equipped with flight 9 on the lateral surface of transmission shaft 8 middle part to bottom, and flight 9 adopts high temperature alloy and at the surperficial spraying ceramic coating in order to increase of service life.
When the method is used, the steps are implemented in sequence as follows:
starting a motor 7, driving a spiral sheet 9 to rotate by an output shaft of the motor 7 through a coupler 6 and a transmission shaft 8, lifting the zinc liquid in the furnace nose 2 and zinc slag zinc ash mixed in the zinc liquid when the spiral sheet 9 rotates, and lifting the zinc liquid and the zinc slag zinc ash together to a zinc discharge port 32 along an inner cavity of the pump shell pipe 3 to be discharged into the zinc liquid in the zinc pot 1; the spiral piece 9 only changes the potential energy of the zinc liquid when lifting, and the kinetic energy to the zinc liquid changes very little, and the theory of operation is different from the potential energy and the kinetic energy that the centrifugal pump converts the electric energy into the transport liquid, so the disturbance to the zinc liquid level in the zinc pot 1 is less compared with the centrifugal pump to the spiral piece 9, avoids interfering with the liquid level of the zinc liquid in the zinc pot 1.
This embodiment constitutes single-stage screw pump with motor 7, shaft coupling 6, transmission shaft 8 and flight 9 for promote zinc liquid and zinc dross zinc ash and get rid of zinc ash zinc dross in time, thereby improve hot galvanized sheet's surface quality, can reduce the disturbance to the zinc liquid level in the zinc pot 1 simultaneously by a wide margin, avoid interfering with the liquid level of measuring the zinc liquid in the zinc pot 1, more be favorable to the implementation of automatic zinc feeding device.
Example 2
A screw pump for hot galvanizing slag removal comprises a zinc pot 1, a furnace nose 2, a pump shell pipe 3, a lower mounting plate 41, an upper support frame 42, a bearing seat 5, a bearing 51, a coupler 6, a motor 7, a transmission shaft 8 and a spiral sheet 9, and further comprises an interlayer sleeve 101, a condenser 102 and a heat conduction pipe 103, wherein as shown in figure 2, the specific structure is as follows:
The other structures are the same as those of embodiment 1.
When the motor 7 works in the embodiment, the outside air enters the condenser 102 and is cooled into cold air, and then the cold air is input into the middle layer of the interlayer sleeve 101, the heat generated by the motor 7 is transmitted into the middle layer through the inner layer of the interlayer sleeve 101, and the cold air in the middle layer of the interlayer sleeve 101 is heated by the heat generated by the motor 7 and then is discharged through the heat pipe 103; the condenser 102 cools the outside atmosphere into low-temperature compressed air to neutralize the heat of the motor 7 during operation, so that the temperature rise of the motor 7 during operation is reduced, the continuous operation of hot galvanizing of the motor 7 is ensured, and the service life is prolonged.
The other application steps are the same as those in example 1.
When the hot galvanizing hot dip galvanizing machine works, heat generated by the motor 7 is cooled by cold air generated by the condenser 102, the temperature rise is reduced, the motor 7 can work continuously for 24 hours, and the hot dip galvanizing line.
Example 3
The utility model provides a screw pump for hot-galvanize is arranged in sediment, includes zinc pot 1, furnace nose 2, pump case pipe 3, lower mounting panel 41, upper bracket 42, bearing frame 5, bearing 51, shaft coupling 6, motor 7, transmission shaft 8, flight 9, intermediate layer cover 101, condenser 102 and heat pipe 103, still includes control module 11, as shown in fig. 3, and the concrete structure is:
the control module 11 is connected with the motor 7 through a signal wire, the motor 7 is a variable-frequency speed-regulating motor, and the control module 11 is an industrial personal computer or a programmable controller.
The other structures were the same as those of example 2.
When the embodiment is used, the frequency of the motor 7 is controlled by the control module 11 when the motor 7 works so as to control the rotating speed of the motor 7.
The other application steps are the same as those in example 2.
In the working process of the embodiment, the motor 7 is controlled by frequency conversion and is connected with the control module 11, so that various parameters of the motor 7 in the working process can be displayed in real time to monitor the working state, the rotating speed of the motor 7 can be timely adjusted through the control module 11 according to the production conditions (such as the zinc slag and the zinc ash amount), the operation is convenient and reliable, and the formation of a quantitative operation system is facilitated.
Claims (3)
1. The utility model provides a screw pump for hot-galvanize is arranged sediment, includes zinc pot (1) and furnace nose (2), holds the zinc-liquid in zinc pot (1), and the lower part submergence of furnace nose (2) is under zinc-liquid level in zinc pot (1), characterized by: also comprises a pump shell pipe (3), a lower mounting plate (41), an upper support frame (42), a bearing seat (5), a bearing (51), a coupler (6), a motor (7), a transmission shaft (8) and a spiral sheet (9),
the bottom end of the pump shell tube (3) extends into the zinc pot (1) below the liquid level of the zinc liquid and passes through the inner end of the flange interface guide tube (31), the outer end of the guide tube (31) is inserted into the furnace nose (2) from the bottom end of the furnace nose (2) and is arranged below the liquid level of the zinc liquid in the furnace nose (2), the top end of the pump shell tube (3) extends out of the zinc liquid in the zinc pot (1) above the liquid level, the outer side surface of the pump shell tube (3) is provided with a zinc discharge port (32), the bottom edge and the top edge of the zinc discharge port (32) are respectively arranged below and above the liquid level of the zinc liquid in the zinc pot (1), the lower mounting plate (41) is fixed on the top end of the pump shell tube (3), the lower mounting plate (41) is provided with a shaft hole communicated with the inner cavity of the pump shell tube (3), the bearing seat (5) is fixed on the lower mounting plate (41), the bearing (51) is sleeved in the bearing seat (5), the upper support frame (42) is fixed on the bearing seat (5), and the coupler (6) is arranged in the upper support frame (42), the casing of motor (7) is fixed on upper bracket (42), the output shaft of motor (7) stretches into in upper bracket (42) and fixes the input at shaft coupling (6), transmission shaft (8) cover is established in pump shell pipe (3), the top of transmission shaft (8) is worn out pump shell pipe (3) and is passed mounting panel (41) and bearing (51) back in proper order and fix the output at shaft coupling (6), be equipped with flight (9) on the lateral surface of transmission shaft (8) middle part to bottom.
2. The screw pump for hot galvanizing slagging of claim 1, which is characterized in that: also comprises an interlayer sleeve (101), a condenser (102) and a heat conducting pipe (103),
interlayer cover (101) includes inlayer, intermediate level and skin, the intermediate level presss from both sides and locates the inlayer with between the skin, the inlayer hoop of interlayer cover (101) is established outside the casing of motor (7), and the air inlet and the external atmosphere of condenser (102) link up, and the intermediate level of interlayer cover (101) is connected to the gas transmission mouth of condenser (102), and the intermediate level of interlayer cover (101) is connected to the one end of heat pipe (103), and the other end and the external atmosphere of heat pipe (103) link up.
3. The screw pump for hot galvanizing slagging of claim 2, characterized in that: also comprises a control module (11),
the control module (11) is connected with the motor (7) through a signal line, the motor (7) is a variable-frequency speed-regulating motor, and the control module (11) is an industrial personal computer or a programmable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123293411.9U CN216894938U (en) | 2021-12-26 | 2021-12-26 | Screw pump for hot galvanizing slag discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123293411.9U CN216894938U (en) | 2021-12-26 | 2021-12-26 | Screw pump for hot galvanizing slag discharging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216894938U true CN216894938U (en) | 2022-07-05 |
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ID=82208646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123293411.9U Active CN216894938U (en) | 2021-12-26 | 2021-12-26 | Screw pump for hot galvanizing slag discharging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216894938U (en) |
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2021
- 2021-12-26 CN CN202123293411.9U patent/CN216894938U/en active Active
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