CN210584824U

CN210584824U - Feed pressure stabilizing device of spray gun

Info

Publication number: CN210584824U
Application number: CN201921568949.6U
Authority: CN
Inventors: 戚志宇
Original assignee: Zhengzhou Yana Powder Co Ltd
Current assignee: Zhengzhou Yana Powder Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-22
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a spray gun feeding pressure stabilizing device, which comprises a pressure stabilizing part and a homogenizing part, wherein the pressure stabilizing part comprises a pressure stabilizing groove with an upper end opening, an overflow groove is fixedly arranged in the pressure stabilizing groove, the side wall of the pressure stabilizing groove is provided with an overflow hole, the height of the overflow hole is lower than that of the overflow groove, the bottom of the pressure stabilizing groove is provided with an installation through hole, the homogenizing part comprises a homogenizing groove with a stirring mechanism arranged therein, the bottom of the homogenizing groove is provided with a discharge port which is communicated with the overflow groove through a pipeline, a pump body is connected in series in the pipeline, the upper end of the homogenizing groove is provided with a feed inlet, the vertical height of the feed inlet is lower than that of the pressure stabilizing groove, a communicated overflow pipe is arranged between the overflow hole of the pressure stabilizing groove and the feed inlet of the homogenizing groove, the spray gun feeding pressure stabilizing device adopts an overflow mode to ensure that, effectively ensuring the pressure at the spray gun to be constant.

Description

Feed pressure stabilizing device of spray gun

Technical Field

The utility model relates to a granulation powder production facility technical field specifically is a spray gun feeding pressure stabilising arrangement.

Background

In the granulating powder production process, the ground slurry is required to be atomized through a spray gun, granulation and drying are carried out inside a spray granulation tower, in the prior art, the front end feed of the spray gun is divided into pump body direct feed and slurry gravity falling feed in a storage tank, the pump body direct feed is adopted, pulse surging can occur in the feeding process due to the self structural reason of the pump body, pulse fluctuation occurs in the pressure of the spray gun, the spraying is not uniform, the slurry gravity falling mode feed in the storage tank is adopted, the pressure of the spray gun is not constant due to the height change of the liquid level of the slurry in the storage tank, the front and back spraying granularity is not uniform, and the consistency of products is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a spray gun feeding pressure stabilising arrangement, guarantee that spray gun pressure is invariable and the pulse can not appear surging, can effectively solve the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a spray gun feeding pressure stabilizing device comprises a pressure stabilizing part and a homogenizing part, wherein the pressure stabilizing part comprises a pressure stabilizing groove with an opening at the upper end, an overflow groove is fixedly arranged in the pressure stabilizing groove, an overflow hole is arranged on the side wall of the pressure stabilizing groove, the height of the overflow hole is lower than that of the overflow groove, and an installation through hole is arranged at the bottom of the pressure stabilizing groove;

the homogenizing part comprises a homogenizing tank, a stirring mechanism is arranged in the homogenizing tank, a discharge port is arranged at the bottom of the homogenizing tank and is communicated with an overflow tank through a pipeline, a pump body is connected in series in the pipeline, a feed port is arranged at the upper end of the homogenizing tank, the vertical height of the feed port is lower than that of an overflow hole of a pressure stabilizing tank, and an overflow pipe communicated with the feed port of the homogenizing tank is arranged between the overflow hole of the pressure stabilizing tank and the feed port of the homogenizing tank.

As an optimal technical scheme of the utility model, the homogenization inslot portion sets up fixed draw mouthful and the mouth of drawing of floating, fixed draw mouthful and the floating draw mouthful respectively through the discharge gate intercommunication in pipeline and homogenization groove, fixed draw mouthful fixed with the inner wall bottom in homogenization groove, draw mouthful two draw mouthful to the slurry of homogenization tank bottom and upper strata simultaneously through setting up fixed draw mouthful and the floating draw mouthful, make the slurry of upper strata and lower floor get into the surge tank simultaneously, guarantee the homogenization degree of the slurry of making fog.

As an optimal technical scheme of the utility model, the vertical polished rod of arranging of homogenization inslot portion, the outside slidable mounting of polished rod floats the bag, the lower extreme fixed mounting who draws mouth and superficial bag floats, the pipeline of drawing between the discharge gate of mouth and homogenization groove is the bellows floats in the slurry through floating the bag, drives and floats and draw the mouth suspension on the slurry upper strata to accomplish drawing of upper slurry, and adopt the polished rod to guide and restrict the motion of floating the bag, avoid floating the bag and take place to interfere with the agitating unit of homogenization inslot portion.

As a preferred technical scheme of the utility model, the intermediate tank concatenates inside the pipeline between the pump body and the steady voltage portion, two sets of independent cavity are cut apart into along vertical direction through the baffle to the intermediate tank is inside, the upper and lower end of cavity lateral wall all sets up the inside through-hole of intercommunication cavity, and at a distance of 10-20cm between upper end through-hole and the cavity roof, sets up the side communicating pipe of intercommunication between the through-hole that adjacent cavity is close, the lower extreme through-hole and the pump body intercommunication of bottommost cavity, through-hole and steady voltage portion intercommunication of topmost cavity upper end, the inside agitating unit that all sets up of cavity, through the mode that sets up the intermediate tank, makes the slurry stirred the homogenization in transmission process, guarantees to get into the slurry uniformity of steady voltage portion, and adopts a plurality of cavitys to stir, helps alleviating the pulse surge problem that the pump body transmission caused.

As the utility model discloses a preferred technical scheme, the inside agitating unit of intermediate tank includes along the rotatory spiral stirring leaf of vertical axis, the input shaft end fixing of stirring leaf sets up the motor, through setting up spiral stirring leaf, satisfies the upper and lower stirring of intermediate tank internal slurry, makes the stirring.

Compared with the prior art, the beneficial effects of the utility model are that: this spray gun feeding pressure stabilising arrangement adopts the form that sets up the overflow launder in the surge tank inside, through the mode of overflow launder overflow, eliminates the pulse that the pump body carried and caused and surges the problem, and adopts the mode that sets up the overflow hole at the surge tank lateral wall, through the overflow pipe backward flow, with the slurry reflux that exceeds overflow hole height in the surge tank to the homogenization inslot to guarantee the interior slurry level height of surge tank stable, thereby guarantee the constancy of pressure of surge tank bottom spray gun, guarantee that the spray gun fog-making is even, satisfy the production needs.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the tundish of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

In the figure: 1 pressure stabilizing part, 101 pressure stabilizing tank, 102 overflow tank, 2 homogenizing part, 201 floating bag, 202 corrugated pipe, 203 homogenizing tank, 204 polished rod, 3 pump body, 4 overflow pipe, 5 intermediate tank, 501 stirring blade, 502 side communicating pipe.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: a spray gun feeding pressure stabilizing device comprises a pressure stabilizing part 1 and a homogenizing part 2, wherein the pressure stabilizing part 1 comprises a pressure stabilizing groove 101 with an opening at the upper end, an overflow groove 102 is fixedly arranged in the pressure stabilizing groove 101, an overflow hole is formed in the side wall of the pressure stabilizing groove 101, the height of the overflow hole is lower than that of the overflow groove 102, and a mounting through hole is formed in the bottom of the pressure stabilizing groove 101;

the homogenizing part 2 comprises a homogenizing tank 203 with a stirring mechanism arranged inside, a discharge port is arranged at the bottom of the homogenizing tank 203 and is communicated with the overflow tank 102 through a pipeline, a pump body 3 is connected inside the pipeline in series, a feed inlet is arranged at the upper end of the homogenizing tank 203, the vertical height of the feed inlet is lower than that of an overflow hole of the pressure stabilizing tank 101, and an overflow pipe 4 communicated with the feed inlet of the homogenizing tank 203 is arranged between the overflow hole of the pressure stabilizing tank 101.

The homogenization tank 203 is internally provided with a fixed drawing port and a floating drawing port which are respectively communicated with a discharge port of the homogenization tank 203 through a pipeline, the fixed drawing port is fixed with the bottom of the inner wall of the homogenization tank 203, and slurry on the bottom layer and the upper layer of the homogenization tank 203 is simultaneously drawn through the fixed drawing port and the floating drawing port, so that the slurry on the upper layer and the lower layer simultaneously enters the pressure stabilizing tank 101, and the homogenization degree of the slurry for making fog is ensured.

The polish rod 204 is vertically arranged inside the homogenization tank 203, the floating bag 201 is slidably mounted outside the polish rod 204, the floating drawing port is fixedly mounted at the lower end of the floating bag 201, a pipeline between the floating drawing port and the discharge port of the homogenization tank 203 is a corrugated pipe 202, the floating bag 201 floats inside slurry, and the floating drawing port is driven to suspend on the upper layer of the slurry, so that the drawing of the slurry on the upper layer is completed, the polish rod 204 is adopted to guide and limit the motion of the floating bag 201, and the interference between the floating bag 201 and the stirring device inside the homogenization tank 203 is avoided.

The pipeline between the pump body 3 and the pressure stabilizing part 1 is internally connected with the intermediate tank 5 in series, the interior of the intermediate tank 5 is divided into at least two groups of independent cavities along the vertical direction by a partition plate, the upper end and the lower end of the side wall of the cavity are all provided with through holes communicated with the interior of the cavity, 10-20cm is arranged between the upper end through hole and the top wall of the cavity, a communicated side communicating pipe 502 is arranged between the through holes adjacent to the adjacent cavities, the lower end through hole of the cavity at the bottom is communicated with the pump body 3, the through hole at the upper end of the cavity at the top is communicated with the pressure stabilizing part 1, a stirring device is arranged inside the cavity, and by the mode of the intermediate tank 5, the slurry is stirred and homogenized in the transmission process, the consistency of the slurry entering the pressure stabilizing part 1 is ensured.

In the slurry transmission process, the pump body 3 carries the thick liquid to the intermediate tank 5 inside, follow supreme filling in proper order down and be full of intermediate tank 5, because the through-hole of cavity all sets up at the lateral wall, so after the slurry is full of intermediate tank 5, the part that the cavity upper end is higher than the through-hole can be sealed up and is deposited some gas, because gaseous compressible, when the pump body 3 produces the pulse surge, along with gaseous compression, can slow down fluidic fluctuation, offset some surge promptly, through the gaseous compression effect of multistage cavity inside, subduct the pulse surge of slurry in the pipeline.

The stirring device in the intermediate tank 5 comprises a spiral stirring blade 501 rotating along a vertical axis, the end part of an input shaft of the stirring blade 501 is fixedly provided with a motor, and the spiral stirring blade 501 is arranged to meet the requirement of stirring slurry in the intermediate tank 5 up and down so as to promote uniform stirring.

The floating drawing port and the fixed drawing port respectively draw the slurry at the bottom and the upper layer of the homogenization tank 203, the slurry is conveyed into the intermediate tank 5 under the action of the pump body 3, and the slurry is stirred up and down by the stirring blades 501 in the intermediate tank 5, so that the slurry is uniformly mixed.

When in use: firstly, a spray gun is arranged at an installation through hole at the bottom of a pressure stabilizing tank 101, then, ground slurry is injected into a homogenizing tank 203 through a conveying pipeline, and the slurry is continuously stirred by a stirring device in the homogenizing tank 203 to be promoted to be uniform;

the pump body 3 works, slurry of an upper layer and a bottom layer is simultaneously drawn through the floating drawing port and the fixed drawing port and is conveyed to the intermediate tank 5, the intermediate tank 5 is sequentially filled from bottom to top, pulse surge is reduced, then the slurry is conveyed to the overflow tank 102 from the intermediate tank 5, after the overflow tank 102 is filled, the slurry overflows from the upper edge to the inside of the pressure stabilizing tank 101, the pulse surge caused by the pump body 3 is isolated at the position, when the slurry in the pressure stabilizing tank 101 is higher than an overflow hole, the slurry flows back to the homogenizing tank 203 along the overflow pipe 4, so that the liquid level in the pressure stabilizing tank 101 is guaranteed to be stable, in actual use, the height of the overflow hole is designed according to requirements, the filling speed of the pump body 3 is required to be higher than or equal to the discharging speed of the spray gun, and the continuous liquid level reduction caused by the excessively fast discharging speed.

The pump body 3 herein adopts a common liquid delivery pump, such as a diaphragm pump, and the control and wiring modes adopt common schemes in the prior art.

The utility model discloses a in the inside form that sets up overflow launder 102 of surge tank 101, through the mode of overflow launder 102 overflow, eliminate the pulse surge problem that the pump body 3 carried and cause, and adopt the mode that sets up the overflow hole at surge tank 101 lateral wall, through 4 backward flows of overflow pipe, with the slurry that exceeds overflow hole height in the surge tank 101 flow back to homogenization groove 203 in, thereby guarantee the interior slurry level height stability of surge tank 101, thereby guarantee the constancy of pressure of surge tank 101 bottom spray gun, guarantee that the spray gun fog-making is even, satisfy the production needs.

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

Claims

1. A spray gun feeding pressure stabilizing device comprises a pressure stabilizing part (1) and a homogenizing part (2), and is characterized in that: the pressure stabilizing part (1) comprises a pressure stabilizing groove (101) with an opening at the upper end, an overflow groove (102) is fixedly arranged in the pressure stabilizing groove (101), the side wall of the pressure stabilizing groove (101) is provided with an overflow hole, the height of the overflow hole is lower than that of the overflow groove (102), and the bottom of the pressure stabilizing groove (101) is provided with a mounting through hole;

the homogenizing part (2) comprises a homogenizing tank (203) with a stirring mechanism arranged inside, a discharge port is formed in the bottom of the homogenizing tank (203), the discharge port is communicated with the overflow tank (102) through a pipeline, a pump body (3) is connected inside the pipeline in series, a feed port is formed in the upper end of the homogenizing tank (203), the vertical height of the feed port is lower than that of an overflow hole of the pressure stabilizing tank (101), and an overflow pipe (4) communicated with the feed port of the homogenizing tank (203) is arranged between the overflow hole of the pressure stabilizing tank (101).

2. The lance feed pressure stabilization device of claim 1, wherein: the homogenizing tank (203) is internally provided with a fixed drawing port and a floating drawing port, the fixed drawing port and the floating drawing port are respectively communicated with a discharge port of the homogenizing tank (203) through pipelines, and the fixed drawing port is fixed with the bottom of the inner wall of the homogenizing tank (203).

3. The lance feed pressure stabilization device of claim 2, wherein: a polish rod (204) is vertically arranged in the homogenization tank (203), a floating bag (201) is slidably arranged outside the polish rod (204), the floating drawing port is fixedly arranged at the lower end of the floating bag (201), and a pipeline between the floating drawing port and the discharge port of the homogenization tank (203) is a corrugated pipe (202).

4. The lance feed pressure stabilization device of claim 1, wherein: the pipeline between the pump body (3) and the steady voltage portion (1) is inside to concatenate intermediate tank (5), divide into through the baffle in intermediate tank (5) inside along vertical direction and be no less than two sets of independent cavity, the last lower extreme of cavity lateral wall all sets up the inside through-hole of intercommunication cavity, and between upper end through-hole and the cavity roof apart from 10-20cm, set up the side communicating pipe (502) of intercommunication between the through-hole that adjacent cavity is close, the lower extreme through-hole and the pump body (3) intercommunication of bottommost cavity, through-hole and steady voltage portion (1) intercommunication of topmost cavity upper end, the cavity is inside all to set up agitating unit.

5. The lance feed pressure stabilization device of claim 4, wherein: the stirring device in the middle tank (5) comprises a spiral stirring blade (501) rotating along a vertical axis, and a motor is fixedly arranged at the end part of an input shaft of the stirring blade (501).