CN217603029U

CN217603029U - Nozzle adjustable low-pressure continuous delivery pump

Info

Publication number: CN217603029U
Application number: CN202220089077.0U
Authority: CN
Inventors: 周志平
Original assignee: Changsha Huanxing Environmental Protection Technology Co ltd
Current assignee: Changsha Huanxing Environmental Protection Technology Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-10-18
Anticipated expiration: 2032-01-14

Abstract

The utility model belongs to the technical field of the delivery pump, especially, nozzle adjustable type low pressure continuous delivery pump is not convenient for adjust the problem to the nozzle, now proposes following scheme, and it includes the diffusion tube, the fixed intercommunication of one end of diffusion tube has the casing, installs the sleeve pipe in the casing, the intraductal interior cone core support piece that installs of sleeve, the nozzle overcoat is installed to sheathed tube one end, be equipped with interior cone core in the nozzle overcoat, the afterbody outer tube is installed in the sheathed tube outside, is equipped with the sealing washer between afterbody outer tube and the sleeve pipe, installs location adjusting screw on the sleeve pipe, and the sleeve pipe is fixed through location adjusting screw and afterbody outer tube connection, the inner wall fixed mounting of casing has the fixed plate. The utility model discloses an adjust the clearance of the interior awl core of nozzle and nozzle overcoat, change overflowing latus rectum area of nozzle and change the air current speed in the nozzle to change the size of negative pressure region around the nozzle and the size of negative pressure degree.

Description

Nozzle adjustable low-pressure continuous delivery pump

Technical Field

The utility model relates to a delivery pump technical field especially relates to a nozzle adjustable type low pressure continuous conveyor pump.

Background

Pneumatic conveying, also known as air flow conveying, is a specific application of fluidization technology, which utilizes the energy of air flow to convey powdery materials in an enclosed pipeline along the direction of the air flow. The pneumatic conveying device has simple structure and convenient operation, can be used for horizontal, vertical or inclined conveying, and can simultaneously carry out physical operations or certain chemical operations such as heating, cooling, drying, airflow classification and the like on materials in the conveying process. The pneumatic conveying is mainly characterized by large conveying capacity, long conveying distance, no dust emission in a closed manner, flexible arrangement and the like; can be fed at a plurality of positions and discharged or fed at a plurality of positions and discharged. According to the density of the powdery materials in a conveying pipeline, a pneumatic conveying system is mainly divided into the following three types:

(1) dilute phase delivery system: the mixing ratio of gas and ash is 1-10kg/kg, the flow rate is 15-30 m/s, the conveying pressure is 10-100 KPa, the conveying distance is basically within 300m, and the conveying system using a Roots blower as a power gas source is a dilute phase conveying system.

(2) Dense phase conveying system: the general gas-ash mixing ratio is 10-40kg/kg, the flow rate is 10-40 m/s, the conveying pressure is 0.1-0.6 MPa, the conveying distance is basically within 1000m, and a conveying system taking compressed air as a power gas source is a concentrated phase conveying system.

(3) Negative pressure conveying system: the system which takes the vacuum pump as a power air source and takes negative pressure suction and delivery in the pipeline is a negative pressure delivery system.

The conveying pump is used as a main sending device of the dilute phase conveying system and is the most important key device in the system, and the gas ash is mixed in the device and then conveyed to a target bin through a pipeline. At present, conveying pumps used in dilute phase conveying systems in China mainly comprise a low-pressure continuous conveying pump, a material sealing pump, a screw pump and the like. The conveying pumps of the types are provided with nozzles, the nozzles spray air from the nozzles at a high speed by utilizing the venturi principle, a negative pressure zone is formed around the outlet of the nozzles, and powder materials falling from the nozzles are sucked in, accelerated by a diffusion pipe and then sent into a pipeline and enter a target bin along the pipeline.

The nozzles in the existing delivery pump are all fixed (namely the air flow velocity in the nozzles is a fixed value, and is designed and determined during equipment manufacturing and cannot be changed), the size of a negative pressure area around the outlet of the nozzles and the size of the negative pressure cannot be adjusted, and the nozzles cannot be flexibly adjusted according to the debugging condition of a field system, so that the system cannot achieve stable optimal working condition performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the nozzle is not convenient to adjust, and providing an adjustable low-pressure continuous delivery pump of the nozzle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

nozzle adjustable type low pressure continuous conveyor pump, including the diffusion tube, the fixed intercommunication of one end of diffusion tube has the casing, installs the sleeve pipe in the casing, install interior cone core support piece in the sleeve pipe, the nozzle overcoat is installed to sheathed tube one end, be equipped with interior cone core in the nozzle overcoat, the afterbody outer tube is installed in the sheathed tube outside, is equipped with the sealing washer between afterbody outer tube and the sleeve pipe, installs location adjusting screw on the sleeve pipe, and the sleeve pipe passes through location adjusting screw and afterbody outer tube connected fixed, the inner wall fixed mounting of casing has the fixed plate, and the top slidable mounting of fixed plate has the slide bar, and the top fixed mounting of slide bar has the connecting rod, the one end and the interior cone core fixed connection of connecting rod, be equipped with adjustment mechanism on the fixed plate, fixed intercommunication has the inlet pipe on the casing, is equipped with a plurality of bulk cargo horizontal poles in the inlet pipe.

Preferably, the adjusting mechanism comprises a threaded rod, a rectangular groove is formed in the top of the fixing plate, a rectangular block is slidably mounted in the rectangular groove, and the top of the rectangular block is fixedly connected with the bottom of the sliding rod.

Preferably, the threaded rod is in threaded connection with the rectangular block, and a worm wheel is fixedly sleeved on the outer side of the threaded rod.

Preferably, a worm is meshed on the worm wheel, a rotating rod is fixedly mounted at the bottom end of the worm, and the bottom end of the rotating rod extends to the outer side of the shell and is fixedly mounted with a knob.

Preferably, a bearing is fixedly mounted on the outer side of the housing, and the outer side of the rotating rod is fixedly connected with an inner ring of the bearing.

Compared with the prior art, the utility model has the advantages of:

according to the scheme, the knob is rotated, the knob drives the rotating rod to rotate, the rotating rod drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the threaded rod to rotate, the rectangular block in threaded connection with the threaded rod is enabled to horizontally move, the sliding rod is driven to move through the rectangular block, the sliding rod drives the connecting rod to move, the connecting rod drives the inner conical core to move, and the gap between the inner conical core and the nozzle outer sleeve is adjusted;

the utility model discloses an adjust the clearance of the interior awl core of nozzle and nozzle overcoat, change overflowing latus rectum area of nozzle and change the air current speed in the nozzle to change the size of negative pressure region around the nozzle and the size of negative pressure degree.

Drawings

Fig. 1 is a schematic structural view of a nozzle-adjustable low-pressure continuous delivery pump provided by the present invention;

fig. 2 is a schematic structural view of the connection between the inner conical core and the adjusting mechanism of the nozzle adjustable low-pressure continuous delivery pump provided by the present invention;

fig. 3 is an enlarged schematic structural view of a portion a in fig. 2 of the nozzle-adjustable low-pressure continuous feed pump according to the present invention.

In the figure: 1. a diffuser tube; 2. a housing; 3. an inner cone core; 4. a nozzle jacket; 5. an inner cone core support; 6. a sleeve; 7. positioning an adjusting screw rod; 8. a seal ring; 9. a tail outer sleeve; 10. a bulk material cross bar; 11. a connecting rod; 12. a slide bar; 13. a fixing plate; 14. a rectangular groove; 15. a rectangular block; 16. a threaded rod; 17. a worm gear; 18. a worm; 19. rotating the rod; 20. a knob.

Detailed Description

The technical solutions in the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is obvious that the described embodiments are only a part of the embodiments, and not all of the embodiments.

Example one

Referring to fig. 1-3, a nozzle-adjustable low-pressure continuous delivery pump comprises a diffusion tube 1, a casing 2 is fixedly communicated with one end of the diffusion tube 1, a sleeve 6 is installed in the casing 2, an inner cone core supporting piece 5 is installed in the sleeve 6, a nozzle outer sleeve 4 is installed at one end of the sleeve 6, an inner cone core 3 is installed in the nozzle outer sleeve 4, a tail outer sleeve 9 is installed on the outer side of the sleeve 6, a sealing ring 8 is arranged between the tail outer sleeve 9 and the sleeve 6, a positioning adjusting screw 7 is installed on the sleeve 6, the sleeve 6 is fixedly connected with the tail outer sleeve 9 through the positioning adjusting screw 7, a fixing plate 13 is fixedly installed on the inner wall of the casing 2, a sliding rod 12 is slidably installed at the top of the fixing plate 13, a connecting rod 11 is fixedly installed at the top end of the sliding rod 12, one end of the connecting rod 11 is fixedly connected with the inner cone core 3, an adjusting mechanism is arranged on the fixing plate 13, a feed pipe is fixedly communicated with the casing 2, and a plurality of bulk materials 10 are arranged in the feed pipe.

Through the setting of the adjusting mechanism, the sliding rod 12 can move, the sliding rod 12 drives the inner conical core 3 to move through the connecting rod 11, the gap between the inner conical core 3 and the nozzle outer sleeve 4 is adjusted, the flow through diameter area of the nozzle is changed to change the airflow speed in the nozzle, and therefore the size of a negative pressure area around the nozzle and the size of the negative pressure are changed.

In this embodiment, the adjusting mechanism includes a threaded rod 16, a rectangular groove 14 is formed in the top of the fixing plate 13, a rectangular block 15 is slidably mounted in the rectangular groove 14, the top of the rectangular block 15 is fixedly connected with the bottom of the sliding rod 12, and the rectangular block 15 can only slide in the rectangular groove 14.

In this embodiment, the threaded rod 16 is in threaded connection with the rectangular block 15, the worm wheel 17 is fixedly sleeved on the outer side of the threaded rod 16, and the threaded rod 16 is driven to rotate through the worm wheel 17.

In this embodiment, a worm 18 is engaged with the worm wheel 17, a rotating rod 19 is fixedly installed at the bottom end of the worm 18, the bottom end of the rotating rod 19 extends to the outside of the housing 2 and is fixedly installed with a knob 20, the rotating rod 19 is driven to rotate by the knob 20, and the worm 18 is driven to rotate by the rotating rod 19.

In this embodiment, a bearing is fixedly mounted on the outer side of the housing 2, the outer side of the rotating rod 19 is fixedly connected with the inner ring of the bearing, and the bearing enables the rotating rod 19 to stably rotate.

In this embodiment, when the adjustment is required, the knob 20 is rotated, the knob 20 drives the rotating rod 19 to rotate, the rotating rod 19 drives the worm 18 to rotate, the worm 18 drives the worm wheel 17 to rotate, the worm wheel 17 drives the threaded rod 16 to rotate, so that the rectangular block 15 in threaded connection with the threaded rod 16 horizontally moves, the rectangular block 15 drives the sliding rod 12 to move, the sliding rod 12 drives the connecting rod 11 to move, the connecting rod 11 drives the inner conical core 3 to move, the gap between the inner conical core 3 and the nozzle outer sleeve 4 is adjusted, and the flow through diameter area of the nozzle is changed to change the airflow speed in the nozzle, so that the size of the negative pressure area around the nozzle and the size of the negative pressure are changed.

Example two

The difference from the first embodiment is that: a worm 18 is engaged on the worm wheel 17, a rotating rod 19 is fixedly mounted at the bottom end of the worm 18, the bottom end of the rotating rod 19 extends to the outer side of the shell 2 and is fixedly mounted with a knob 20, and a rubber anti-slip sleeve is fixedly sleeved on the outer side of the knob 20.

The rest is the same as the first embodiment.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. Nozzle adjustable nodal pattern low pressure continuous conveyor pump, including diffuser (1), its characterized in that, the fixed intercommunication of one end of diffuser (1) has casing (2), installs sleeve pipe (6) in casing (2), install interior cone core support piece (5) in sleeve pipe (6), nozzle overcoat (4) are installed to the one end of sleeve pipe (6), be equipped with interior cone core (3) in nozzle overcoat (4), afterbody outer tube (9) are installed in the outside of sleeve pipe (6), are equipped with between afterbody outer tube (9) and sleeve pipe (6) sealing washer (8), install location adjusting screw (7) on sleeve pipe (6), and sleeve pipe (6) are connected fixedly through location adjusting screw (7) and afterbody outer tube (9), the inner wall fixed mounting of casing (2) has fixed plate (13), and the top slidable mounting of fixed plate (13) has slide bar (12), and the top fixed mounting of slide bar (12) has connecting rod (11), and the one end and the interior cone core (3) fixed connection of connecting rod (11), be equipped with adjustment mechanism on fixed plate (13), the feed pipe (2) go up fixed connection has a plurality of feed pipe, is equipped with horizontal pole (10) in the feed pipe.

2. The low-pressure continuous delivery pump with the adjustable nozzle according to claim 1, wherein the adjusting mechanism comprises a threaded rod (16), a rectangular groove (14) is formed in the top of the fixing plate (13), a rectangular block (15) is slidably mounted in the rectangular groove (14), and the top of the rectangular block (15) is fixedly connected with the bottom of the sliding rod (12).

3. The low-pressure continuous feed pump with adjustable nozzles according to claim 2, characterized in that the threaded rod (16) is in threaded connection with the rectangular block (15), and the outer side of the threaded rod (16) is fixedly sleeved with a worm wheel (17).

4. The low-pressure continuous feed pump with adjustable nozzles according to claim 3, characterized in that the worm wheel (17) is engaged with a worm (18), the bottom end of the worm (18) is fixedly provided with a rotating rod (19), and the bottom end of the rotating rod (19) extends to the outer side of the housing (2) and is fixedly provided with a knob (20).

5. The low-pressure continuous feed pump with adjustable nozzles according to claim 4, characterized in that a bearing is fixedly mounted on the outside of the housing (2), and the outside of the rotary rod (19) is fixedly connected with the inner ring of the bearing.