CN114132760B - Automatic negative pressure dust collection type starch conveying device with water flow scouring function - Google Patents
Automatic negative pressure dust collection type starch conveying device with water flow scouring function Download PDFInfo
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- CN114132760B CN114132760B CN202111440153.4A CN202111440153A CN114132760B CN 114132760 B CN114132760 B CN 114132760B CN 202111440153 A CN202111440153 A CN 202111440153A CN 114132760 B CN114132760 B CN 114132760B
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- negative pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/30—Conveying materials in bulk through pipes or tubes by liquid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/46—Devices for emptying otherwise than from the top using screw conveyors
Abstract
The invention discloses a water flow flushing automatic negative pressure dust collection type starch conveying device which comprises a dust collection mechanism, wherein a negative pressure water flow mechanism is connected to the side wall of the dust collection mechanism, and negative pressure water is flushed into the dust collection mechanism by the negative pressure water flow mechanism so that a negative pressure area is formed in the dust collection mechanism; the starch hinging and conveying device is arranged at the upper port of the dust collecting mechanism and is used for conveying starch, and the tail end of the starch hinging and conveying device is vertically arranged on the dust collecting mechanism through a three-way pipe; the stirring mechanism is arranged at the lower port of the dust collecting mechanism and is communicated with the dust collecting mechanism through a metal hose; the starch is conveyed into the dust collection mechanism by the starch hinge conveying device, and is collected by the negative pressure area and conveyed to the stirring mechanism for wet-adding stirring under the flushing of the negative pressure water flow mechanism. The invention realizes the wet-adding conveying of the starch by negative pressure dust collection, saves energy consumption, meets the requirements of safety and environmental protection, and is more convenient and more environment-friendly.
Description
Technical Field
The invention relates to the technical field of gypsum board manufacturing, in particular to a water flow scouring automatic negative pressure dust collection type starch conveying device.
Background
In the gypsum board actual production process, modified starch can be added generally to guarantee the bonding property of panel, at the in-process of adding, if the transport mode is unreasonable will produce a certain amount of starch raise dust, not only can cause starch waste, destroy the finished product environment, be not conform to the environmental protection requirement moreover, have huge potential safety hazard.
In current gypsum board production process, in order to prevent dry starch raise dust, generally can carry out explosion-proof dust collection and wet stirring that adds of starch to starch, this process is comparatively wasted time and energy, and electric device is more, the potential safety hazard of production still can appear in the time of the finished product, and quite consumes energy, is unfavorable for production.
Disclosure of Invention
The invention aims to provide a water flow washing automatic negative pressure dust collection type starch conveying device to solve the technical problem of starch dust emission in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
the invention provides a water flow scouring automatic negative pressure dust collection type starch conveying device, which comprises
The side wall of the dust collection mechanism is connected with a negative pressure water flow mechanism, and negative pressure water is flushed into the dust collection mechanism by the negative pressure water flow mechanism so that a negative pressure area is formed in the dust collection mechanism;
the starch hinging and conveying device is arranged at the upper port of the dust collecting mechanism and is used for conveying starch, and the tail end of the starch hinging and conveying device is vertically arranged on the dust collecting mechanism through a three-way pipe;
the stirring mechanism is arranged at a lower port of the dust collecting mechanism and is communicated with the dust collecting mechanism through a metal hose;
the starch is conveyed into the dust collection mechanism by the starch hinging and conveying device, and the starch is collected by the negative pressure area and conveyed to the stirring mechanism for wet-adding stirring under the flushing of the negative pressure water flow mechanism;
the dust collecting mechanism comprises a dust collecting inner pipe, a dust collecting outer pipe and an annular cavity, the dust collecting outer pipe wraps the outer side of the dust collecting inner pipe, the annular cavity is arranged between the dust collecting inner pipe and the dust collecting outer pipe, the dust collecting inner pipe is connected with the upper end of the dust collecting outer pipe to enable the upper end of the annular cavity to be closed, and the bottom of the annular cavity is communicated with the metal hose;
the negative pressure water flow mechanism is respectively communicated with the dust collection inner pipe and the annular cavity, and the dust collection mechanism is arranged at the upper end of the dust collection inner pipe and enables the starch to be conveyed to the metal hose at the dust collection inner pipe.
As a preferable scheme of the invention, a dust collecting hopper is arranged at the bottom of the dust collecting outer tube, the radius of the dust collecting hopper is gradually reduced from top to bottom, the thick end of the dust collecting hopper is respectively communicated with the annular cavity and the dust collecting inner tube, and the thin end of the dust collecting hopper is communicated with the metal hose.
As a preferable scheme of the invention, the negative pressure water flow mechanism comprises a plurality of negative pressure water pipes which penetrate through the dust collection outer pipe and are communicated with the annular cavity, wherein a flushing water pipe is arranged on one negative pressure water pipe, and the end part of the flushing water pipe sequentially penetrates through the dust collection outer pipe and the annular cavity to be communicated with the pipe inner space of the dust collection inner pipe.
As a preferable scheme of the invention, the flushing water pipe is arranged at the end part of the dust collection inner pipe, the negative pressure water pipe is arranged in the middle of the dust collection outer pipe, and the flushing water pipe is higher than the negative pressure water pipe.
As a preferable scheme of the invention, a stop valve is arranged on the negative pressure water pipe, and the flushing water pipe is arranged between the negative pressure water pipe and the dust collection inner pipe.
As a preferable scheme of the invention, the starch reaming and conveying device comprises a conveying pipe, a conveying reamer penetrating through the conveying pipe and a starch bin communicated with the conveying pipe, the three-way pipe is arranged at the tail end of the conveying reamer and communicated with the conveying pipe, a discharge hole of the three-way pipe is vertically arranged on the dust collection inner pipe, and the outer wall of the conveying pipe is connected with the dust collection outer pipe through a hoop.
As a preferable scheme of the invention, the hoop is mounted on the outer wall of the conveying pipe through screws, a telescopic rod is vertically arranged at the lower end of the hoop, the telescopic rod extends and retracts up and down through a plurality of screws, the tail end of the telescopic rod is connected with a connecting rod, the connecting rod is perpendicular to the telescopic rod, and the tail end of the connecting rod is fixedly arranged on the outer wall of the dust collecting outer pipe.
As a preferable scheme of the invention, the diameter of the three-way pipe is smaller than that of the dust collection inner pipe.
As a preferable scheme of the present invention, the stirring mechanism includes a starch wet-adding tank, a wet-adding stirring impeller vertically disposed in the starch wet-adding tank, and a water inlet pipe disposed at an upper end of the starch wet-adding tank, the metal hose is communicated with the starch wet-adding tank, and a ball float valve is disposed between the water inlet pipe and the starch wet-adding tank.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the starch pipeline for conveying is provided with the negative pressure water flow, the negative pressure water flow forms a negative pressure area in the pipeline, so that dust of starch is effectively collected, the dust of starch is effectively avoided, explosion-proof dust collection and pre-stirring are not required, and the operation cost is low;
2. according to the invention, the flushing water is arranged at the upper end of the negative pressure water to flush the inner wall of the starch conveying pipeline, and the flushing water forms a water film on the inner wall of the pipeline, so that the starch is prevented from accumulating in the blanking process of the negative pressure area, the maintenance and lubrication are not needed, the operation is convenient, and the maintenance cost is reduced;
3. according to the invention, the flushing water, the negative pressure water and the starch are finally conveyed to the mixing machine together for production, so that the waste of water resources is reduced, and the resource loss is reduced;
4. the invention has simple structure, reduces the use of electrical equipment and is safer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic structural diagram of an automatic negative pressure dust collection type starch conveying device with water flow flushing according to the present invention;
fig. 2 is a schematic structural view of the telescopic rod provided by the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a dust collecting mechanism; 2-a negative pressure water flow mechanism; 3-a negative pressure zone; 4-a starch reaming device; 5-a three-way pipe; 6-a stirring mechanism; 7-a metal hose; 8-dust collection hopper; 9-anchor ear; 10-a screw; 11-a telescopic rod; 12-a connecting rod; 13-a stop valve;
101-dust collecting inner pipe; 102-dust collecting outer pipe; 103-annular cavity; 201-a negative pressure water pipe; 202-flushing the water pipe; 401-a delivery tube; 402-delivering a reamer; 403-starch bin; 601-starch wet adding tank; 602-wet-adding stirring impeller; 603-water inlet pipe; 604-ball float valve.
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.
As shown in fig. 1 and fig. 2, the invention provides a water flow flushing automatic negative pressure dust collection type starch conveying device, which comprises a dust collection mechanism 1, wherein a negative pressure water flow mechanism 2 is connected to the side wall of the dust collection mechanism 1, and negative pressure water is flushed into the dust collection mechanism 1 by the negative pressure water flow mechanism 2 so that a negative pressure area 3 is formed in the dust collection mechanism 1;
the starch hinging and conveying device 4 is arranged at the upper port of the dust collecting mechanism 1, the starch hinging and conveying device 4 is used for conveying starch, and the tail end of the starch hinging and conveying device is vertically arranged on the dust collecting mechanism 1 through a three-way pipe 5;
the stirring mechanism 6 is arranged at the lower port of the dust collection mechanism 1, and the stirring mechanism 6 is communicated with the dust collection mechanism 1 through a metal hose 7;
wherein, starch is sent into dust collecting mechanism 1 by starch hinge send device 4, and starch is collected dust by negative pressure zone 3 and is carried to rabbling mechanism 6 under the washing of negative pressure rivers mechanism 2 and wets and stirs.
The starch reaming and conveying device 4 comprises a starch bin and a reaming and conveying cutter, starch in the starch bin falls into a reaming and conveying pipe of the reaming and conveying cutter from top to bottom, the reaming and conveying cutter conveys the starch to the three-way pipe 5 under the rotation action, the upper end of the three-way pipe 5 is communicated with the external environment and used for preventing negative pressure in the reaming and conveying device, the lower port of the three-way pipe 5 is a feed opening, and the feed opening of the three-way pipe 5 is arranged above the dust collecting mechanism 1.
The main body of the dust collection mechanism 1 is a pipeline, the central axis of the pipeline coincides with the central axis of a feed opening of the three-way pipe 5, starch is hinged into the three-way pipe 5 from a hinged cutter of the starch hinging device 4 and falls into the pipeline of the dust collection mechanism 1 under the action of gravity, a metal hose 7 is arranged at the lower end of the pipeline, the metal hose 7 is connected with the stirring mechanism 6, and the starch enters the metal hose 7 from the dust collection mechanism 1 and finally enters the stirring mechanism 6 for stirring.
The left and right sides of a pipeline of the dust collection mechanism 1 are respectively communicated with the negative pressure water flow mechanism 2, the negative pressure water flow mechanism 2 comprises a flushing water pipe and a negative pressure water pipe, flushing water and negative pressure water are respectively introduced into the pipeline of the dust collection mechanism 1 through the flushing water pipe and the negative pressure water pipe by the negative pressure water mechanism, the flushing water flushes the inner wall of the pipeline of the dust collection mechanism 1, negative pressure water forms a negative pressure area 3 in the pipeline of the dust collection mechanism 1, the atmospheric pressure of the negative pressure area 3 is smaller than the ambient atmospheric pressure, when starch enters the pipeline of the dust collection mechanism 1, the negative pressure area 3 has suction to falling starch, the starch is automatically collected into the pipeline of the dust collection mechanism 1, dust raising of the starch is effectively avoided, meanwhile, the flushing water continuously flushes the inner wall of the pipeline to convey the starch, and the starch is effectively prevented from being adhered to the inner wall of the pipeline to cause blockage.
In this embodiment, dust collecting mechanism 1 comprises dust collecting inner pipe 101, dust collecting outer pipe 102 wrapped and arranged outside dust collecting inner pipe 101, and annular cavity 103 arranged between dust collecting inner pipe 101 and dust collecting outer pipe 102, wherein dust collecting inner pipe 101 and the upper end of dust collecting outer pipe 102 are connected so that the upper end of annular cavity 103 is closed, and the bottom of annular cavity 103 is communicated with metal hose 7;
the negative pressure water flow mechanism 2 is respectively communicated with the dust collection inner pipe 101 and the annular cavity 103, and the dust collection mechanism 1 is arranged at the upper end of the dust collection inner pipe 101 and enables starch to be conveyed to the metal hose 7 at the dust collection inner pipe 101.
Specifically, negative pressure water passes through the dust collection outer pipe 102 and enters the annular cavity 103, water flow in the water flows around the annular cavity 103 and finally flows out of the bottom of the annular cavity 103, namely the bottom of the dust collection outer pipe 102 and the bottom of the dust collection inner pipe 101, after the negative pressure water flows out of the annular cavity 103, a flowing vortex is formed at the bottom of the dust collection outer pipe 102, due to the Bernoulli principle, the vortex can generate a negative pressure zone 3 at a certain rotating speed, the negative pressure zone 3 is arranged in the dust collection inner pipe 101, the negative pressure zone 3 can effectively collect dust for starch, mixing and stirring of the starch and the water are facilitated, and finally, a mixed liquid of the starch and the water flows into the stirring mechanism 6 from the metal hose 7 under the impact of the water.
In the embodiment, in order to further increase the rotation speed of the water flow and reduce the atmospheric pressure of the negative pressure region 3, the dust collecting hopper 8 is arranged at the bottom of the dust collecting outer pipe 102, the radius of the dust collecting hopper 8 is gradually reduced from top to bottom, the thick end of the dust collecting hopper 8 is respectively communicated with the annular cavity 103 and the dust collecting inner pipe 101, and the thin end of the dust collecting hopper 8 is communicated with the metal hose 7.
The shape of the dust collection hopper 8 is beneficial to dust collection, the radius of the dust collection hopper 8 is reduced from top to bottom, and the smaller the radius of the pipe opening is, the faster the flow speed is when the liquid amount is the same, so when negative pressure water flows into the bottom of the dust collection hopper 8 from the end part of the dust collection hopper 8, the flow speed is increased, the flow speed of the water is increased, the atmospheric pressure on the surface of the water is reduced, and the dust collection effect of the negative pressure area 3 is improved.
In this embodiment, the negative pressure water flow mechanism 2 includes a plurality of negative pressure water pipes 201 penetrating through the dust collection outer pipe 102 and communicating with the annular cavity 103, wherein a flushing water pipe 202 is arranged on one negative pressure water pipe 201, and an end of the flushing water pipe 202 sequentially penetrates through the dust collection outer pipe 102 and the annular cavity 103 and communicates with the pipe inner space of the dust collection inner pipe 101.
The negative pressure water pipe 201 is connected with a high pressure water pump, a valve is arranged on a pipeline of the negative pressure water pipe, when the dust collection mechanism 1 is used, the valve is firstly opened to enable a negative pressure passage to be formed among the negative pressure water pipe 201, the annular cavity and the metal hose 7, a flushing passage is formed among the negative pressure water pipe 201, the flushing water pipe 202, the dust collection inner pipe 101 and the metal hose 7, the high pressure water pump is opened, high-speed water flows into the negative pressure water pipe 201 through the high pressure water pump, the high-speed water flows from the negative pressure passage and the flushing passage respectively, the water flow in the negative pressure passage forms a negative pressure area 3 in the dust collection inner pipe 101 at the bottom of the annular cavity due to the Bernoulli principle, and the water flow in the flushing passage flows from the inner wall of the dust collection inner pipe 101 and impacts the inner wall.
At the moment, the starch hinging device 4 is opened, the starch hinging device 4 conveys starch to the dust collection inner pipe 101, the starch flows into the dust collection inner pipe 101 under the action of gravity and suction of the negative pressure area 3, and the negative pressure area 3 collects dust for the starch to prevent the starch from being sprayed out. And starch is washed and mixed by flushing water when entering dust collection inner tube 101, the flushing water uniformly mixes starch and water and drives the starch to flow downwards, and wet starch is prevented from hanging on a wall, the wet starch finally enters the tail end of dust collection inner tube 101 and is mixed with negative pressure water, the negative pressure water again stirs the starch, the starch and water are more uniformly mixed, and finally the water starch is filled with metal hose 7 under the impact of water flow to flow into stirring mechanism 6 and is stirred together with other raw materials for forming the gypsum board.
In the present embodiment, a flushing water pipe 202 is arranged at the end of the dust collection inner pipe 101, a negative pressure water pipe 201 is arranged in the middle of the dust collection outer pipe 102, and the height of the flushing water pipe 202 is higher than that of the negative pressure water pipe 201.
The flushing water has the effects of stirring, conveying and the like on starch, the negative pressure water mainly generates negative pressure and then stirs, so that the starch is firstly impacted by the flushing water to be conveyed when entering the dust collection inner pipe 101, the flushing water carries out stirring when conveying the starch to a negative pressure water area, and multiple stirring is favorable for uniformly mixing the starch and the water, so that the starch is prevented from being hung on a wall to block the dust collection inner pipe 101.
In the present embodiment, a stop valve 13 is provided on the negative pressure water pipe 201, and a flush water pipe 202 is provided between the negative pressure water pipe 201 and the dust collection inner pipe 101. The flushing water pipe 202 is a branch of the negative pressure water pipe 201, and has the functions of simplifying the device and reducing energy consumption.
In this embodiment, starch hinge send device 4 includes conveyer pipe 401, run through conveyer pipe 401 transport reamer 402 and the starch storehouse 403 that communicates with conveyer pipe 401, store dry starch in the starch storehouse 403, dry starch gets into conveyer pipe 401 under the action of gravity, the direction of conveying reamer 402 in conveyer pipe 401 is rotatory and carrying starch to the inner tube 101 that gathers dust from the whereabouts point, three-way pipe 5 sets up at the end of conveying reamer 402 and is linked together with conveyer pipe 401, the vertical setting of discharge gate of three-way pipe 5 is on the inner tube 101 that gathers dust, when starch falls down from the lower extreme of three-way pipe 5, directly fall into the inner tube 101 that gathers dust, conveyer pipe 401 outer wall and outer tube 102 that gathers dust are connected through staple bolt 9.
In this embodiment, the hoop 9 is installed on the outer wall of the conveying pipe 401 through screws 10, the telescopic rod 11 is vertically arranged at the lower end of the hoop 9, the telescopic rod 11 extends and retracts up and down through a plurality of screws 10, the end of the telescopic rod 11 is connected with the connecting rod 12, the connecting rod 12 is perpendicular to the telescopic rod 11, and the end of the connecting rod 12 is fixedly arranged on the outer wall of the dust collecting outer pipe 102.
Because the conveying speed of the starch can be changed along with the change of some production factors, when the conveying speed of the starch is increased and the amount of the starch conveyed each time is increased, the upper end opening of the dust collection inner pipe 101 needs to be closer to the feed opening of the three-way pipe 5 by adjusting the height of the screw 10, at the moment, the negative pressure area 3 is close to the feed opening of the three-way pipe 5, the dust collection effect is correspondingly improved, the dust collection effect is prevented from being deteriorated due to sudden increase of the starch, the flow rate of the negative pressure water does not need to be increased, and the energy consumption is reduced.
Preferably, the diameter of the tee pipe 5 is smaller than that of the dust collection inner pipe 101.
In this embodiment, the stirring mechanism 6 includes a starch wet-adding tank 601, a wet-adding stirring impeller 602 vertically disposed in the starch wet-adding tank 601, and a water inlet pipe 603 disposed at an upper end of the starch wet-adding tank 601, the metal hose 7 is communicated with the starch wet-adding tank 601, and a ball float valve 604 is disposed between the water inlet pipe 603 and the starch wet-adding tank 601.
The wet stirring impeller 602 in the starch wet adding tank 601 is used for stirring starch, water and other raw materials for manufacturing gypsum boards, flushing water, negative pressure water and starch are conveyed into the starch wet adding tank 601 along the metal hose 7, and the flushing water, the negative pressure water and the starch are uniformly stirred by the wet stirring impeller 602 and then enter the mixer for production and application. When the liquid material in the starch wet adding tank 601 reaches a certain height, the ball float valve 604 is leveled and the water inlet pipe 603 is closed.
Through the automatic negative pressure dust collection type starch conveyor of rivers erode of this embodiment, can carry out effectual dust collection to starch when starch is carried, and realize the stirring and the transport of starch when carrying through negative pressure water and washing water to form the one deck water film in pipeline, avoid starch long-pending material at unloading in-process, prevent effectively that the starch wall built-up from blockking up pipeline, do not need explosion-proof dust collection and preliminary mixing, full automation operation.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (9)
1. An automatic negative pressure dust collection type starch conveying device for water flow scouring, which is characterized by comprising
The dust collecting mechanism (1), wherein a negative pressure water flow mechanism (2) is connected to the side wall of the dust collecting mechanism (1), and negative pressure water is flushed into the dust collecting mechanism (1) by the negative pressure water flow mechanism (2) so that a negative pressure area (3) is formed in the dust collecting mechanism (1);
the starch hinging and conveying device (4) is arranged at the upper port of the dust collecting mechanism (1), the starch hinging and conveying device (4) is used for conveying starch, and the tail end of the starch hinging and conveying device is vertically arranged on the dust collecting mechanism (1) through a three-way pipe (5);
the stirring mechanism (6) is arranged at the lower port of the dust collection mechanism (1), and the stirring mechanism (6) is communicated with the dust collection mechanism (1) through a metal hose (7);
the starch is sent into the dust collection mechanism (1) by the starch hinging and conveying device (4), is collected by the negative pressure area (3) and is conveyed to the stirring mechanism (6) for wet-adding stirring under the flushing of the negative pressure water flow mechanism (2);
the dust collection mechanism (1) comprises a dust collection inner pipe (101), a dust collection outer pipe (102) wrapped on the outer side of the dust collection inner pipe (101) and an annular cavity (103) arranged between the dust collection inner pipe (101) and the dust collection outer pipe (102), the upper end of the annular cavity (103) is closed due to the connection of the dust collection inner pipe (101) and the upper end of the dust collection outer pipe (102), and the bottom of the annular cavity (103) is communicated with the metal hose (7);
the negative pressure water flow mechanism (2) is respectively communicated with the dust collection inner pipe (101) and the annular cavity (103), and the dust collection mechanism (1) is arranged at the upper end of the dust collection inner pipe (101) and enables the starch to be conveyed to the metal hose (7) at the position of the dust collection inner pipe (101).
2. The automatic negative-pressure dust collection type starch conveying device by water flow flushing according to claim 1 is characterized in that a dust collection hopper (8) is arranged at the bottom of the outer dust collection pipe (102), the radius of the dust collection hopper (8) is gradually reduced from top to bottom, the thick end of the dust collection hopper (8) is communicated with the annular cavity (103) and the inner dust collection pipe (101), and the thin end of the dust collection hopper (8) is communicated with the metal hose (7).
3. The automatic negative-pressure dust collection type starch conveying device by water flow flushing according to claim 2 is characterized in that the negative-pressure water flow mechanism (2) comprises a plurality of negative-pressure water pipes (201) which penetrate through the dust collection outer pipe (102) and are communicated with the annular cavity (103), a flushing water pipe (202) is arranged on one negative-pressure water pipe (201), and the end part of the flushing water pipe (202) sequentially penetrates through the dust collection outer pipe (102) and the annular cavity (103) and is communicated with the pipe inner space of the dust collection inner pipe (101).
4. The automatic negative-pressure dust collection type starch conveying device adopting water flow flushing as claimed in claim 3, wherein the flushing water pipe (202) is arranged at the end part of the dust collection inner pipe (101), the negative-pressure water pipe (201) is arranged in the middle of the dust collection outer pipe (102), and the flushing water pipe (202) is higher than the negative-pressure water pipe (201).
5. The automatic negative-pressure dust collection type starch conveying device adopting water flow flushing as claimed in claim 4, wherein a stop valve (13) is arranged on the negative-pressure water pipe (201), and the flushing water pipe (202) is arranged between the negative-pressure water pipe (201) and the dust collection inner pipe (101).
6. The starch conveying device with the water flow flushing and automatic negative pressure dust collection functions as claimed in claim 5, wherein the starch reaming device (4) comprises a conveying pipe (401), a conveying reamer (402) penetrating through the conveying pipe (401), and a starch bin (403) communicated with the conveying pipe (401), the three-way pipe (5) is arranged at the tail end of the conveying reamer (402) and communicated with the conveying pipe (401), a discharge hole of the three-way pipe (5) is vertically arranged on the dust collection inner pipe (101), and the outer wall of the conveying pipe (401) is connected with the dust collection outer pipe (102) through a hoop (9).
7. The automatic negative pressure dust collection type starch conveying device for water flow washing according to claim 6 is characterized in that the hoop (9) is mounted on the outer wall of the conveying pipe (401) through screws (10), an expansion link (11) is vertically arranged at the lower end of the hoop (9), the expansion link (11) extends up and down through a plurality of screws (10), a connecting rod (12) is connected to the tail end of the expansion link (11), the connecting rod (12) is perpendicular to the expansion link (11), and the tail end of the connecting rod (12) is fixedly arranged on the outer wall of the dust collection outer pipe (102).
8. The automatic negative-pressure dust collection type starch conveying device by water flow flushing according to claim 7, wherein the diameter of the three-way pipe (5) is smaller than that of the dust collection inner pipe (101).
9. The automatic negative-pressure dust collection type starch conveying device by water flow flushing according to claim 1 is characterized in that the stirring mechanism (6) comprises a starch wet adding tank (601), a wet adding stirring impeller (602) vertically arranged in the starch wet adding tank (601), and a water inlet pipe (603) arranged at the upper end of the starch wet adding tank (601), the metal hose (7) is communicated with the starch wet adding tank (601), and a ball float valve (604) is arranged between the water inlet pipe (603) and the starch wet adding tank (601).
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| CN202111440153.4A CN114132760B (en) | 2021-11-30 | 2021-11-30 | Automatic negative pressure dust collection type starch conveying device with water flow scouring function |
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| CN202111440153.4A CN114132760B (en) | 2021-11-30 | 2021-11-30 | Automatic negative pressure dust collection type starch conveying device with water flow scouring function |
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| CN114132760B true CN114132760B (en) | 2022-11-29 |
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| CN211599613U (en) * | 2019-10-07 | 2020-09-29 | 阿特拉斯·科普柯空气动力股份有限公司 | Flush valve, dust collector and dust collection system |
| CN111762589A (en) * | 2020-07-17 | 2020-10-13 | 平顶山市安泰华矿用安全设备制造有限公司 | Dry pulverized coal feeding machine |
| CN214597940U (en) * | 2020-12-18 | 2021-11-05 | 浙江奔乐生物科技股份有限公司 | Mobile negative pressure dust removal zinc oxide feeder |
| CN214610463U (en) * | 2021-02-10 | 2021-11-05 | 日照港机工程有限公司 | Bulk dust falling discharge hopper |
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2021
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