CN112065746A - Environment-friendly exhaust fan of chemical plant - Google Patents

Environment-friendly exhaust fan of chemical plant Download PDF

Info

Publication number
CN112065746A
CN112065746A CN202010934952.6A CN202010934952A CN112065746A CN 112065746 A CN112065746 A CN 112065746A CN 202010934952 A CN202010934952 A CN 202010934952A CN 112065746 A CN112065746 A CN 112065746A
Authority
CN
China
Prior art keywords
motor
shaft
exhaust fan
rotating shaft
chemical plant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010934952.6A
Other languages
Chinese (zh)
Inventor
张江明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010934952.6A priority Critical patent/CN112065746A/en
Publication of CN112065746A publication Critical patent/CN112065746A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0666—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump a sensor is integrated into the pump/motor design
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053—Shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053—Shafts
    • F04D29/054—Arrangements for joining or assembling shafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses an environment-friendly exhaust fan of a chemical plant, which structurally comprises a support, a safety net, a casing, an impeller shaft, a first motor, a first rotating shaft, a second rotating shaft and a second motor, wherein the safety net is arranged at one end of the casing, the support is welded at the outer side of the casing, the first motor and the second motor are respectively connected at two ends inside the casing, the first motor is connected with the first rotating shaft, the second motor is connected with the second rotating shaft, two sides of the impeller shaft are respectively matched with the first rotating shaft and the second rotating shaft, the impeller shaft is externally provided with the impeller, and comprises a shaft body, balls, through holes, a conversion structure and a movable groove, and the environment-friendly exhaust fan has the beneficial effects that: the impeller shaft can be switched in power through the conversion structure, so that the first motor and the second motor are continuously switched to work, the problem of faults caused by overheating of the motors is solved, the motors can continuously work, and air in a chemical plant can be smoothly discharged.

Description

Environment-friendly exhaust fan of chemical plant
Technical Field
The invention relates to the field of chemical equipment, in particular to an environment-friendly exhaust fan for a chemical plant.
Background
The air in the chemical plant needs to flow through the exhaust fan, so that the uncomfortable reaction caused by poor ventilation such as sultry, peculiar smell, dust, oil smoke and the like is avoided.
The existing exhaust fan is always in a working state in the using process, wherein the motor continuously works, heating easily occurs to cause faults, so that air cannot be discharged in time, air pollution in a chemical plant is more serious easily, and the physical health of personnel in the plant is influenced.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide an environment-friendly exhaust fan for a chemical plant.
The invention is realized by adopting the following technical scheme: the utility model provides an environmental protection exhaust fan of chemical plant, its structure includes support, safety net, casing, impeller shaft, first motor, first pivot, second motor, casing one end is equipped with the safety net, the welding of casing outside has the support, the inside both ends of casing are connected with first motor, second motor respectively, first motor is connected with first pivot, the second motor is connected with the second pivot, the both sides of impeller shaft cooperate with first pivot, second pivot respectively, the impeller shaft is equipped with the impeller outward.
As optimization, the impeller shaft comprises a shaft body, a ball, a through hole, a conversion structure and a movable groove, wherein the through hole penetrates through the middle of the shaft body, the movable groove is arranged in the middle of the through hole, the ball is installed on the inner side of the through hole, and the conversion structure is installed in the shaft body.
Preferably, the conversion structure comprises a movable structure and a pushing structure, the movable structure is arranged on the side surface of the movable groove, and the two sides of the movable structure are respectively provided with the pushing structure.
Preferably, the movable structure comprises a second movable block, a first movable block, a rotary rod, a hinge rod and a spring, the hinge rod is connected in the shaft body, the rotary rod is mounted on the hinge rod, two ends of the rotary rod are respectively connected with the first movable block and the second movable block through pull ropes, and the spring is connected to the right side of the rotary rod.
As an optimization, the pushing structure comprises a pulling rope, a piston rod, a piston, a gas cavity, a copper plate and a heat conducting rod, the gas cavity is arranged inside the shaft body, the piston is arranged in the gas cavity and connected with one end of the piston rod, the other end of the piston rod is connected with the rotating rod through the pulling rope, the copper plate is arranged at the closed end of the gas cavity, and the copper plate is connected with the heat conducting rod.
As optimization, second pivot one end is connected with the second motor, the second pivot other end outside is equipped with the fixed block, the fixed block is established at the activity inslot, second pivot lateral surface is inlayed and is had the copper billet, the copper billet is connected through the bearing department of copper line with the second motor.
Preferably, the second rotating shaft and the first rotating shaft are consistent in structure.
Preferably, the first rotating shaft and the second rotating shaft are both arranged in the through hole of the shaft body and movably connected with the ball.
Preferably, the gas cavity is filled with helium.
Preferably, the heat conducting rod extends into the through hole, so that the heat conducting rod and the through hole are convenient to be connected.
As optimization, the number of the fixing blocks is 1, so that the heat conducting rod can always keep contact with the copper block to conduct heat during working.
And as optimization, a controller is arranged on the outer side of the shell, the controller is electrically connected with the first motor and the second motor respectively, and the first motor and the second motor are respectively provided with a temperature sensor.
Advantageous effects
When the device is started, helium in 2 gas cavities is at normal temperature, so that the second movable block can be pushed down under the action of the spring, the fixed block of the second rotating shaft can push the second movable block when the second motor rotates, the impeller shaft is driven to synchronously rotate, and when the second motor and the impeller shaft synchronously rotate, the copper block and the heat conducting rod are always in contact state, heat of the bearing in the second motor can be transferred to the helium in the gas cavity through heat conduction of the copper wire, the copper block, the heat conducting rod and the copper plate sequentially, the helium gradually expands along with temperature rise, so that the piston and the piston rod are driven to rise, the pull rope is pulled to rotate the rotating rod, the second movable block retracts, the first movable block extends out, along with temperature rise of the bearing in the second motor, a signal is transmitted to the controller through the temperature sensor, and the controller stops rotation of the second motor, the first motor is started, the first movable block just extends out to be matched with the first rotating shaft to drive the impeller shaft to rotate, when the temperature of the first motor is too high, the first movable block can retract, the second movable block extends out, then the first motor stops, and the second motor works, so that the circulation is performed.
Compared with the prior art, the invention has the beneficial effects that: the impeller shaft can be switched in power through the conversion structure, so that the first motor and the second motor are continuously switched to work, the problem of faults caused by overheating of the motors is solved, the motors can continuously work, and air in a chemical plant can be smoothly discharged.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of an environmental protection type exhaust fan of a chemical plant according to the present invention.
Fig. 2 is a sectional view of the inside of the casing of the present invention.
Figure 3 is a cross-sectional view of the impeller shaft of the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Fig. 5 is a schematic structural view of the operation state of fig. 4 at the time of start-up.
Figure 6 is a side view of the impeller shaft of the present invention.
Fig. 7 is a schematic structural view of a second rotating shaft according to the present invention.
In the figure: the device comprises a bracket 1, a safety net 2, a machine case 3, an impeller 4, an impeller shaft 5, a first motor 6, a first rotating shaft 7, a second rotating shaft 8, a second motor 9, a shaft body 50, a ball 51, a through hole 52, a conversion structure 53, a movable groove 54, a movable structure a, a pushing structure b, a second movable block a1, a first movable block a2, a rotating rod a3, a hinge shaft a4, a spring a5, a guy rope b1, a piston rod b2, a piston b3, a gas cavity b4, a copper plate b5, a heat conducting rod b6, a fixed block 81, a copper block 82, a copper wire 83 and a controller 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-7, the present invention provides a technical solution of an environmental protection exhaust fan in a chemical plant: the structure of the impeller comprises a support 1, a safety net 2, a casing 3, an impeller 4, an impeller shaft 5, a first motor 6, a first rotating shaft 7, a second rotating shaft 8 and a second motor 9, wherein the safety net 2 is arranged at one end of the casing 3, the support 1 is welded at the outer side of the casing 3, the first motor 6 and the second motor 9 are respectively connected at two ends inside the casing 3, the first motor 6 is connected with the first rotating shaft 7, the second motor 9 is connected with the second rotating shaft 8, two sides of the impeller shaft 5 are respectively matched with the first rotating shaft 7 and the second rotating shaft 8, the impeller shaft 5 is externally provided with the impeller 4, the impeller shaft 5 comprises a shaft body 50, a ball 51, a through hole 52, a conversion structure 53 and a movable groove 54, the through hole 52 penetrates through the middle of the shaft body 50, the movable groove 54 is arranged in the middle of the through hole 52, the ball 51 is installed at the inner side of the through hole 52, the, the conversion structure 53 comprises a movable structure a and a pushing structure b, the movable structure a is installed on the side of the movable slot 54, the two sides of the movable structure a are respectively provided with the pushing structures b, the movable structure a comprises a second movable block a1, a first movable block a2, a rotating rod a3, a hinge shaft a4 and a spring a5, the hinge shaft a4 is connected in the shaft body 50, the hinge shaft a4 is provided with a rotating rod a3, two ends of the rotating rod a3 are respectively connected with the first movable block a2 and the second movable block a1 through pull ropes, the right side of the rotating rod a3 is connected with the spring a5, the pushing structure b comprises a pull rope b1, a piston rod b2, a piston b3, a gas cavity b4, a copper plate b5 and a heat conducting rod b6, the gas cavity b6 is arranged in the shaft body 50, the piston b6 is provided with the piston b6, the piston b6 is connected with one end of the piston b6 through the pull rope 6, the closed end of the gas cavity b4 is provided with a copper plate b5, the copper plate b5 is connected with a heat conducting rod b6, one end of the second rotating shaft 8 is connected with the second motor 9, the outer side of the other end of the second rotating shaft 8 is provided with a fixed block 81, the fixed block 81 is arranged in a movable groove 54, the outer side surface of the second rotating shaft 8 is inlaid with a copper block 82, the copper block 82 is connected with a bearing of the second motor 9 through a copper wire 83, the structure of the second rotating shaft 8 is consistent with that of the first rotating shaft 7, the first rotating shaft 7 and the second rotating shaft 8 are both arranged in a through hole 52 of a shaft body 50 and movably connected with a ball 51, the gas cavity b4 is filled with helium and can expand at high temperature, the heat conducting rod b6 extends out of the through hole 52 and is convenient to contact with the copper block 82, the fixed block 81 is provided with 1, so that the heat conducting rod b6 can always keep in contact with the copper block 82, the outer side of the machine shell 3 is provided with a controller 10, the controller 10 is respectively electrically connected with the first motor 6 and the second motor 9, and the first motor 6 and the second motor 9 are respectively provided with a temperature sensor, so that temperature sensing is facilitated.
The working principle is as follows: when the device is started, helium in the 2 gas cavities b4 is at normal temperature, so that the second movable block a1 can be pushed down under the action of the spring a5, the fixed block 81 of the second rotating shaft 8 can push the second movable block a1 when the second motor 9 rotates, the impeller shaft 5 is driven to rotate synchronously, and the copper block 82 and the heat conducting rod b6 are always in a contact state when the two rotate synchronously.
Example 2
Referring to fig. 1-7, the present invention provides a technical solution of an environmental protection exhaust fan in a chemical plant: the structure of the impeller comprises a support 1, a safety net 2, a casing 3, an impeller 4, an impeller shaft 5, a first motor 6, a first rotating shaft 7, a second rotating shaft 8 and a second motor 9, wherein the safety net 2 is arranged at one end of the casing 3, the support 1 is welded at the outer side of the casing 3, the first motor 6 and the second motor 9 are respectively connected at two ends inside the casing 3, the first motor 6 is connected with the first rotating shaft 7, the second motor 9 is connected with the second rotating shaft 8, two sides of the impeller shaft 5 are respectively matched with the first rotating shaft 7 and the second rotating shaft 8, the impeller shaft 5 is externally provided with the impeller 4, the impeller shaft 5 comprises a shaft body 50, a ball 51, a through hole 52, a conversion structure 53 and a movable groove 54, the through hole 52 penetrates through the middle of the shaft body 50, the movable groove 54 is arranged in the middle of the through hole 52, the ball 51 is installed at the inner side of the through hole 52, the, the conversion structure 53 comprises a movable structure a and a pushing structure b, the movable structure a is installed on the side of the movable slot 54, the two sides of the movable structure a are respectively provided with the pushing structures b, the movable structure a comprises a second movable block a1, a first movable block a2, a rotating rod a3, a hinge shaft a4 and a spring a5, the hinge shaft a4 is connected in the shaft body 50, the hinge shaft a4 is provided with a rotating rod a3, two ends of the rotating rod a3 are respectively connected with the first movable block a2 and the second movable block a1 through pull ropes, the right side of the rotating rod a3 is connected with the spring a5, the pushing structure b comprises a pull rope b1, a piston rod b2, a piston b3, a gas cavity b4, a copper plate b5 and a heat conducting rod b6, the gas cavity b6 is arranged in the shaft body 50, the piston b6 is provided with the piston b6, the piston b6 is connected with one end of the piston b6 through the pull rope 6, the closed end of the gas cavity b4 is provided with a copper plate b5, the copper plate b5 is connected with a heat conducting rod b6, one end of the second rotating shaft 8 is connected with the second motor 9, the outer side of the other end of the second rotating shaft 8 is provided with a fixed block 81, the fixed block 81 is arranged in a movable groove 54, the outer side surface of the second rotating shaft 8 is inlaid with a copper block 82, the copper block 82 is connected with a bearing of the second motor 9 through a copper wire 83, the structure of the second rotating shaft 8 is consistent with that of the first rotating shaft 7, the first rotating shaft 7 and the second rotating shaft 8 are both arranged in a through hole 52 of a shaft body 50 and movably connected with a ball 51, the gas cavity b4 is filled with helium and can expand at high temperature, the heat conducting rod b6 extends out of the through hole 52 and is convenient to contact with the copper block 82, the fixed block 81 is provided with 1, so that the heat conducting rod b6 can always keep in contact with the copper block 82, the outer side of the machine shell 3 is provided with a controller 10, the controller 10 is respectively electrically connected with the first motor 6 and the second motor 9, and the first motor 6 and the second motor 9 are respectively provided with a temperature sensor, so that temperature sensing is facilitated.
The working principle is as follows: the heat of the bearing in the second motor 9 can be transferred to the helium in the gas cavity b4 through the heat conduction of the copper wire 83, the copper block 82, the heat conducting rod b6 and the copper plate b5 in sequence, the helium gradually expands along with the temperature rise, thereby driving the piston b3 and the piston rod b2 to rise, pulling the pulling rope b1 to rotate the rotating rod a3, retracting the second movable block a1, extending the first movable block a2, along with the temperature rise of the bearing in the second motor 9, the signal is transmitted to the controller 10 through the temperature sensor, the controller 10 stops the rotation of the second motor 9, starts the first motor 6, just extends the first movable block a2 to cooperate with the first rotating shaft 7 to drive the impeller shaft 5 to rotate, when the temperature of the first motor 6 is too high, the first movable block a2 is retracted, the second movable block a1 is extended, and then the first motor 6 is stopped and the second motor 9 is operated, thereby performing a cyclic reciprocation.
Compared with the prior art, the invention has the technical progress that: the impeller shaft can be switched in power through the conversion structure, so that the first motor and the second motor are continuously switched to work, the problem of faults caused by overheating of the motors is solved, the motors can continuously work, and air in a chemical plant can be smoothly discharged.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides an environmental protection exhaust fan of chemical plant, its structure includes support (1), safety net (2), casing (3), impeller (4), impeller shaft (5), first motor (6), first pivot (7), second pivot (8), second motor (9), casing (3) one end is equipped with safety net (2), the welding of casing (3) outside has support (1), its characterized in that:
the utility model discloses a fan, including casing (3), first motor (6), second motor (9) are connected with respectively at the inside both ends of casing (3), first motor (6) are connected with first pivot (7), second motor (9) are connected with second pivot (8), the both sides of impeller shaft (5) cooperate with first pivot (7), second pivot (8) respectively, impeller shaft (5) are equipped with impeller (4) outward.
2. The environmental protection exhaust fan of chemical plant as claimed in claim 1, wherein: the impeller shaft (5) comprises a shaft body (50), a ball (51), a through hole (52), a conversion structure (53) and a movable groove (54), wherein the through hole (52) penetrates through the middle of the shaft body (50), the movable groove (54) is arranged in the middle of the through hole (52), the ball (51) is installed on the inner side of the through hole (52), and the conversion structure (53) is installed in the shaft body (50).
3. The environmental protection exhaust fan of chemical plant as claimed in claim 2, wherein: the conversion structure (53) comprises a movable structure (a) and a pushing structure (b), the movable structure (a) is installed on the side face of the movable groove (54), and the pushing structures (b) are respectively arranged on two sides of the movable structure (a).
4. The environmental protection exhaust fan of chemical plant as claimed in claim 3, wherein: the movable structure (a) comprises a second movable block (a1), a first movable block (a2), a rotary rod (a3) and a hinge shaft (a4), wherein the hinge shaft (a4) is connected in the shaft body (50), the rotary rod (a3) is installed on the hinge shaft (a4), and two ends of the rotary rod (a3) are respectively connected with the first movable block (a2) and the second movable block (a1) through pull ropes.
5. The environmental protection exhaust fan of chemical plant as claimed in claim 3, wherein: promote structure (b) including guy rope (b1), piston rod (b2), piston (b3), gaseous chamber (b4), copper (b5), heat-conducting rod (b6), gaseous chamber (b4) are established inside axis body (50), be equipped with piston (b3) in gaseous chamber (b4), piston (b3) is connected with piston rod (b2) one end, the piston rod (b2) other end is connected with rotary rod (a3) through guy rope (b1), gaseous chamber (b4) blind end is equipped with copper (b5), copper (b5) are connected with heat-conducting rod (b 6).
6. The environmental protection exhaust fan of chemical plant as claimed in claim 1, wherein: second pivot (8) one end is connected with second motor (9), second pivot (8) other end outside is equipped with fixed block (81), establish in activity groove (54) fixed block (81), second pivot (8) lateral surface is inlayed and is had copper billet (82), copper billet (82) are connected through copper line (83) and the bearing department of second motor (9).
7. The environmental protection exhaust fan of chemical plant as claimed in claim 6, wherein: the second rotating shaft (8) and the first rotating shaft (7) are consistent in structure.
8. The environmental protection exhaust fan of chemical plant as claimed in claim 1, wherein: the first rotating shaft (7) and the second rotating shaft (8) are both arranged in a through hole (52) of the shaft body (50) and are movably connected with the ball (51).
CN202010934952.6A 2020-09-08 2020-09-08 Environment-friendly exhaust fan of chemical plant Withdrawn CN112065746A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010934952.6A CN112065746A (en) 2020-09-08 2020-09-08 Environment-friendly exhaust fan of chemical plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010934952.6A CN112065746A (en) 2020-09-08 2020-09-08 Environment-friendly exhaust fan of chemical plant

Publications (1)

Publication Number Publication Date
CN112065746A true CN112065746A (en) 2020-12-11

Family

ID=73664378

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010934952.6A Withdrawn CN112065746A (en) 2020-09-08 2020-09-08 Environment-friendly exhaust fan of chemical plant

Country Status (1)

Country Link
CN (1) CN112065746A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113464476A (en) * 2021-09-03 2021-10-01 南通南洋风机制造有限公司 Cooling type air flow device
CN116557333A (en) * 2023-07-12 2023-08-08 江苏江进泵业有限公司 Torque transmission mechanism for submersible pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113464476A (en) * 2021-09-03 2021-10-01 南通南洋风机制造有限公司 Cooling type air flow device
CN116557333A (en) * 2023-07-12 2023-08-08 江苏江进泵业有限公司 Torque transmission mechanism for submersible pump
CN116557333B (en) * 2023-07-12 2023-09-19 江苏江进泵业有限公司 Torque transmission mechanism for submersible pump

Similar Documents

Publication Publication Date Title
CN112065746A (en) Environment-friendly exhaust fan of chemical plant
CN102587671B (en) Safe and portable high-frequency vibrating spear powered by battery
CN109402363B (en) Energy-saving tempering furnace
CN210518022U (en) Stepping motor capable of cooling in self-circulation manner
CN116878979B (en) Self-cooled industrial gas sampler
CN207830180U (en) A kind of radiator fan of fast demountable
CN108882648B (en) Novel electromechanical device's heat dissipation protection device
CN112186956A (en) Rotating shaft damping protection device for brush motor
CN213446965U (en) Coke oven ascension pipe crude gas waste heat recycling device
CN211147072U (en) Cooling device for chemical production
CN215625922U (en) Carbon fiber composite mandrel winding equipment
CN207968215U (en) A kind of energy-saving efficient motor
CN208817571U (en) A kind of energy-saving electrical heating
CN217383593U (en) Rapid circulating drying device for rack plating
CN216348959U (en) Hydrogeology multilayer groundwater water level observation device
CN214998227U (en) Heat radiation structure of spiral refrigeration compressor
CN220454166U (en) Textile oven
CN213105427U (en) Sensor limiting and protecting device
CN212055259U (en) Integrated mechanism composed of outer rotor motor, fan blade and shutter push-pull device
CN216016746U (en) Soft starter with heat radiation structure
CN216147131U (en) Non-fried instant noodle production equipment
CN220250701U (en) Cement kiln body waste heat recovery conversion device
CN215980010U (en) Vertical mounting structure of circulating fan
CN112283052B (en) Positioning device for machine head rotating structure of wind driven generator
CN217062928U (en) Switch cabinet

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20201211

WW01 Invention patent application withdrawn after publication