JPS594524A - Solid material transfer device - Google Patents

Abstract

PURPOSE:To reduce damages to be made on solid materials and provide higher transfer ability by connnecting a rotary solid material pump and a sealed-tank solid material pump in series in a transfer system suited for transferring fishes together with sea water. CONSTITUTION:When unloading fishes out of a fish tank 30, first an air pump 3 is operated with a four-way valve 2 positioned at the solid line, to reduce the pressure in a sealed tank 1 which is the main body of a sealed-tank solid material pump. At this stage, check valves 5 and 6 are opened and closed respectively to allow the fishes and water in the fish tank 30 to be sucked up into the tank 1, and also to be flown into a rotary solid material pump 20 from which the air is discharged through an exhaust pipe 34. Then, the pump 20 is operated when the level of the water surface in the tank 1 reachs the middle point, and the air pump 3 is stopped when the level reaches the upper limit level. The fishes and water being transferred by pressure through the pump 20 are led to a water filtering separator 24 where fishes are separated from sea water through a selector comb 27.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for transporting solid materials through a pipe using a liquid such as water or seawater as a transport medium, and particularly relates to a device for transporting fish, fruit-shaped marine products, and agricultural products.

■ PRIOR ART Devices for transferring solids using liquid as the carrier medium are most commonly used for the transfer of fish.

Currently, this type of equipment includes a closed tank type solids pump, which sucks in and discharges liquid and solids together into a closed tank, and transfers them, and a rotary integrated solids pump, which sends solids and liquid with a rotating impeller. There is. The rotary solids pump has good efficiency because the fish pass through the bladeless impeller, but when air is sucked in, the impeller spins and stops the transfer action. In this state, the fish body is rotated within the pump for a long time, causing extreme damage to the fish body.

Therefore, the rotary solids pump is used only for unloading from the sea where there is plenty of water and no air is sucked. It is undesirable for fish in a fish tank to be landed by a rotary solids pump. This is because when the ice cubes in the fish tank decrease, air is sucked in through the intake port.

Furthermore, this rotary solids pump is used by being suspended directly into an underwater net so as not to inhale air under any circumstances. However, a rotary solids pump capable of lifting fish in a net, for example, even one with a diameter of 1501 JLFm, weighs about 300 kg or more and is extremely heavy, and moreover, it is difficult to use in the ocean with waves.
Since it is used by being suspended by the deck crane of the ship 1-, it is difficult to use it, and the work is quite dangerous. Furthermore, even if a rotary solids pump is operated suspended in the sea,
It is difficult for this to not inhale air at all, but it is easy for it to temporarily inhale some air due to ocean waves or depending on the condition of the net or school of fish. Unfortunately, a rotary complete solids pump stops pumping and runs idly when only a relatively small amount of air is sucked in, and since there is no pumping action at all in this state, the solids pump is sucked into the rotor. The air cannot be exhausted smoothly and the fish inside the rotor will be seriously damaged.

Since the fish body does not pass through the impeller of the closed tank type solids pump, there is little damage to the fish, and even if air is inhaled, the fish body will not be damaged. Therefore, it is possible to fry fish even if the fish is not allowed to breathe air.

However, when the closed tank takes in the liquid and solids, the discharge of the liquid is stopped, and the liquid is transferred in batches without being sucked in during discharge, and moreover, the liquid is transferred via air, which is inefficient. A twin-barrel closed-tank solids pump has also been developed that has two closed tanks and is capable of discharging 10,000 tons of solids into the 10,000-tank tank and transferring the solids in a nearly continuous state.

However, a closed tank solids pump with this structure is large, and it is quite difficult to store it on a small fishing boat. In addition, closed tank type solids pumps use an energy-inefficient vacuum pump to suck ice cubes into a closed tank, and use the vacuum pump's exhaust pressure to pressurize compressed air into the closed tank. Therefore, the ice cubes will not be sucked in unless the degree of vacuum within the sealed tank increases to a certain degree, and furthermore, at the end of the discharge stroke, the compressed air with the highest degree of depletion must be discharged as is, which naturally results in poor energy efficiency. .

Also, the rotary solids pump is suitable for lifting relatively large fish. However, it is not necessarily the best pump for small fish. This is because, whether it is live fish in a fishing net or fresh fish (dead fish) in a fish tank, the larger the fish, the lower the density of the colored water in the suction hose, which means the density of the fish becomes thinner. There is little damage to the fish body even when it passes through the impeller rotating at high speed, and the low price on the surface of large fish species is also durable. Small fish such as Shikaji Katakuchi Sardines are quite dense in the net, and they are sucked into the suction hose in a dense state in the fish tank, so the colored water passes through the impeller in a highly dense state, causing extreme This causes damage to the fish body.

Although the rotary complete solids pump and the closed tank solids pump have the above-mentioned unique characteristics, their respective applications are severely limited and they cannot adequately respond to changes in usage conditions. Solids transfer devices that use liquid as a transfer medium are required to have characteristics that are difficult to knead compared to pond transfer devices such as conveyors. This characteristic is that a huge amount of horn can be transported in a very short time, and in any case the fish must be stopped with minimal damage.

The closed tank type solids pump and the rotary type solids pump that have been used conventionally cannot satisfy both of these characteristics. Therefore, the applications of closed tank solids pumps and rotary solids pumps are severely limited. For this reason, even today, almost all fish caught with nets are
The fish are scooped up using another net and then fried.

(2') Purpose The present invention has characteristics that cannot be achieved by solid material transfer devices that use liquid as a transport medium, that is, it can always be used in the optimum state for the purpose, and has a large transport capacity per hour to transport solid materials. To provide a device for transferring solids that can be transferred with less damage.

Furthermore, an important objective of the present invention is that since the pump is in a closed tank, air flowing into the rotary solids pump can be reduced by means of a pressure reduction means connected to the closed tank.
To provide a solids transfer device capable of reducing idling of a rotary solids pump during operation.

Furthermore, since the closed tank type solids pump and the rotary solids pump are connected in series, solids can be transferred by operating either one or both pumps temporarily. To provide a solid material transfer device in which the solid material passes through a rotary solid material pump when the solid material is transferred by a closed tank type solid material pump, and the solid material is transferred with less damage in this state. .

(3) Configuration Hereinafter, embodiments of the present invention will be described based on the drawings.

The solids transfer device shown in FIG. 1 includes a closed tank type solids pump and a rotary type solids pump 20. The closed tank solids pump and the rotary solids pump 20 are connected in series, and the discharge side of the closed tank solids pump is connected to the suction side of the rotary solids pump 20.
l111 is connected.

The closed tank replacement carving pump has an airtight closed tank 1 in which liquid mixed with solids is stored, a decompression means that communicates with this closed tank 1, and discharges the air inside, and a pressure reduction means inside the closed tank. A four-way switching valve 2 and an air pump 3 that are used together with an air supply means for supplying air; a check valve 5 that is an intake valve connected to an intake port 4 that is a passage of the sealed tank 1;
A reverse 11 is a discharge valve connected to the discharge side of the sealed tank 1.
・Equipped with valve 6.

The closed tank 1 is filled with liquid mixed with solids, for example, 0
．． 5m~5nr117 It has an internal inspection tower that can be used and the passageway and air]-18 are open [-1]. Passage is intake 114
and a discharge lower, the discharge [17] is an opening at the bottom of the sealed tank, between 1-F of the closed tank, and the upper part is for discharging the air inside the closed tank 1, and for internal There is an opening for air 1'+8 to pressurize air into the tank, and a level sensor 9 for detecting the internal liquid level is also provided.

The closed tank 1 is formed into a cylindrical shape with a circular cross section either entirely or at the bottom. 117 is opened 1] in the tangential direction at the bottom of the closed tank 1, as shown in FIGS. 2 to 5.

As shown in Fig. 2, the discharge [17] opened in this direction is caused by the liquid in the closed tank 1 moving along the inner surface of the tank in the direction of the arrow, and solids in the liquid. A certain fish body, whose specific gravity is somewhat heavier than water, slowly sinks to the bottom. It is turned in the opposite direction and is ejected smoothly.

As shown in FIG. 2, the discharge pipe 10 communicating with the discharge pipe 17 has a cross-sectional shape that is changed from a rectangular shape to a circular shape in the direction of liquid transfer.

The closed tank 1 has a concave bottom shape as shown in FIG. 3, or has a cylindrical shape as a whole as shown in FIG. 4. Sealed kunk 1 formed in a conical shape with a narrowing downwards
This has the advantage that the corners tend to gather at the bottom, allowing the I+ inside the sealed tank to be sent out more smoothly without leaving any residue.

Regardless of the overall shape of the closed tank, it is preferable that the outlet be opened in the tangential direction.

Inflow duct 1 of preferred shape connected to suction [-14
1 is shown in FIG. The inflow duct 11 is formed as wide as possible so that the cross-sectional area increases upwardly, and one end I is formed as shown in FIGS. 1 and 4.
As shown in the figure, it is bent horizontally toward the closed tank 1. In the inlet duct 11 having this shape, the flow of liquid becomes slower as it approaches the intake [14] of the closed tank 1, so that solids can be guided slowly and smoothly into the closed tank 1.

The horizontal cross-sectional area of the closed tank 1 includes the suction 114 and the discharge [
) γ is sufficiently large compared to the area [-1, therefore, 1
Even if bubbles are inhaled together with the liquid through the Zakujo hose 12 connected to the pump 4, the flow velocity in the direction of the air in the closed tank 1 will be lower than that of the floating oil I of the bubbles. After a while, the air bubbles float in the closed tank 11 and are discharged from the air port.

Since the air [18 is for discharging the air accumulated in the closed tank 1, it is opened 11 at the top of the closed tank 1.

The air port 8 of the closed tank shown in FIG. 1 serves both as an exhaust port for discharging the air inside the closed tank 1 and as an air supply [j] for supplying air into the closed tank. N [air (-1 and supply air [
If 1 and 1 are opened separately into a closed tank, the exhaust [1 must be opened to the closed tank 1-, or the supply air [1 must be opened to a part of the closed tank 1]. There isn't.

The air pump 3 is used both to discharge air from the closed tank and to pressurize air into the closed tank. Therefore, as shown in FIG. 1, the air pump 3 has its suction side and discharge side connected to the closed tank 1 via the four-way switching valve 2.

The device that pressurizes air into the sealed tank 1 can pressurize the liquid in the sealed tank 1 and transfer it to a distant place or a high place while the rotary solids pump is stopped. When the liquid in the closed tank 1 is transferred to the toga near the closed tank, an air supply valve that opens the top of the closed tank at once is sufficient as an air supply means for the closed tank, although not shown. It is. The air supply valve is connected to the top of the closed tank,
When this angle opens, air flows into the closed tank, causing the liquid inside the tank to flow out.

Rehersenza 9 is 34. of? The electrode bodies 13a, 13b, and 13c are arranged vertically in the center of the closed tank 1. The electrode body 13 disposed at this position is located at the center of the liquid swirling inside the closed tank 1, and is hardly affected by force due to the flow velocity.

The air pump 3I/'i is a vacuum pump capable of creating a degree of vacuum sufficient to suck one liquid into the closed tank 1, such as a one-stage or multi-stage liquid ring vacuum pump or a Roots vacuum pump.

Although not shown, when using an air pump that can be reversed to transfer the air between the suction side and the discharge side, or reverse the direction of air transfer by reversing the direction, such as a Roots pump or a liquid ring vacuum pump, a four-way gJ switching valve is not necessarily required. Although it is not necessary, connect either the suction side or the discharge side of the air pump to a closed tank, reverse the power source such as a motor, and use it as both a vacuum pump and a pressure pump.

An inverted I connected to the suction side of the sealed tank 1 and the discharge ( ) 10
The I-valve 5.6 is a swing-action reverse valve.

The reverse valve 5 on the suction side opens when liquid flows from the suction hose 12 toward the closed tank 1, and the reverse +It valve 6 on the discharge side opens when liquid is discharged from the closed tank 1. Only open the valve.

The discharge side reverse valve 6 is preferably connected to the discharge side of a rotary carving pump 20, as shown in FIG. In this case, when the air pump 3 is operated to discharge the air in the sealed tank 1, the solids transfer device connected to the reverse f1-valve 6 at Air within the solids pump 20 is also exhausted. Therefore, after the liquid is sucked into the closed tank 1, the rotary solids pump 20 is operated and immediately starts transferring the liquid.

As shown in FIG. 1 or FIG. 6, the rotary solids pump 20 is preferably disposed on the side of the closed tank 1 or at the same level. In the rotary solids pump 20 in this position, the suction [ ] 19 is below the liquid level in the closed tank 1 and is always filled with liquid, so that startup is smooth and idling is less likely to occur.

Although not shown, it is also possible to arrange the rotary solids pump on one side of the closed tank.

; In the case of CO, the rotary solids pump is activated either by pressurizing the closed tank and injecting liquid, or by discharging the air on the suction side with an exhaust pipe.

In order for the air pump 3 connected to the sealed tank 1 to more smoothly exhaust the air inside the rotary solids pump 20, the air pump 3 connected to the sealed tank 1 should exhaust the air to one end of the upright part on the side of the suction pipe 14 of the rotary replacement type ring pump 20. A pipe 34 is connected to the exhaust pipe 3'.
4 is connected to the air port 8 of the sealed tank 1. It is better. A perforated plate 16 is installed in the intake pipe 115, which is opened to the intake pipe 14 to which the exhaust pipe 34 is connected, to allow air to pass through but not to allow solid matter to pass through. Prevents inhalation.

The number of passages opened in the closed tank 1 may be one. One passage 32 is divided into two branch pipes 33 as shown in FIG.
The inverse f1-valve 5 is branched and is a suction valve in the branch pipe.
are connected, and a branch pipe of a part of the pond is connected to the suction side of the rotary solids pump 20 via the suction@-14.

The rotary solids pump 20 is a pump that transfers liquid mixed with solids using a rotating rotor, and as shown in the cross-sectional views of FIGS. 7 and 8, a circular casing 17 is used.
A rotor 18 rotates inside.

The casing 17 has an inlet 119 opened at the center of one side, and an outlet 21 opened in the tangential direction on the outer periphery.

The rotor 18 has a rotating shaft 22 fixed to one side, and the rotating shaft 22 is fixed to one side.
A bladeless rotor 2 is supported by a casing 17 via a bearing, and has a spiral passage 23 formed from the center of the casing 17 facing the suction port 1 toward the outer circumference. When this rotor 18 is rotated by a motor or the like, the liquid in the passageway 23 is accelerated by centrifugal force, and the liquid in the outlet 21
It is pumped from

Although some bladeless rotors 18 have two passageways 23 as shown in FIGS. 9 and 10, the transfer device of the present invention has a single passage 23 as shown in FIGS. 6 and 7. One passageway 230 rotor is preferable.

This is because the rotor 1B, which has two passages, is easy to balance and does not lose its dynamic balance during rotation even if air is inhaled, but because a protrusion is formed at the branching part, the inhaled fish This is because they are easily damaged by collisions, and if a long object is sucked in, it will wrap around the rotor and not be ejected smoothly.

However, since the rotor 18 in the tunnel passageway is dynamically balanced with the passageway 23 filled with liquid, if air is sucked into the passageway, the balance will be extremely lost and the bearings etc. easy to damage. Therefore, this type of solids pump is
Inhalation of air must be avoided as much as possible to avoid damaging the fish and the pump.

In Fig. 1, the rotary set kQ# material pump delivery [1
21 is connected to the drain separator 24 via the reverse valve 6. The drain separator 24 separates solids such as fish that have been transferred using the liquid as a transport medium from the liquid.
It is connected to the tip of a transfer pipe 25 which is bent vertically (vertically) and bent horizontally or slightly downward.

This water draining separator 24Fi is composed of a liquid receiving box 26 which is inclined for liquid to flow, a sorting comb 27 provided obliquely to this receiving box 26, and a reservoir 28 disposed below the receiving box 26. Become.

At least the upper surface of the sorting comb 27 is formed in the form of a grid parallel to the flow direction of the corners, and separates the solids supplied to this comb from the liquid.

The reservoir tank 28 is connected to the fish tank 30 via a water return hose 29, and transfers some or all of the transferred liquid to the fish tank 3.
Reflux to 0.

The solids transfer device shown in FIG.
To give an example of the operating conditions when landing fish in a tank, 111 First, if the air pump 3 is operated with the four-way switching valve 2 in the position shown by the solid line in Figure 1, the air in the closed tank 1 will be exhausted by the air pump 3. The closed tank 1 is depressurized. In this case, the reverse +h valve 6 on the discharge side is closed, and the reverse upward valve 5 on the suction side is opened, and the ice cubes in the fish tank 30 are sucked up into the sealed tank 1, and the ice cube level gradually rises to 1]. do. In the embodiment shown in FIG. 1, the rotary solids pump 20 is installed so as to be located below the closed tank 1, so that fish JJ( At this time, the air inside the rotary solids pump 20 is also exhausted from the exhaust pipe 34 connected to the intake air 1'l 15 of the suction pipe 14 connecting the sealed tank 1 and the rotary solids pump 20, and the air inside the rotary solids pump 20 is exhausted. The ice is smoothly flowed into the rotary solids pump 20. When the liquid level in the closed tank 1 reaches the intermediate water level detection level,
This is detected by the electrode body 13b having an intermediate length, and the rotary solids pump 2° is operated by the signal from the level sensor 9. In this state, suction hose 1
Even if some of the air that was in the tank 2 flows into the sealed tank 1, the air in the sealed tank 1 is quickly exhausted because the air pump 3 is also in parallel operation, and the rotary solids pump 20 is normal. It will be in a normal driving condition.

When the inside of the sealed tank 1 reaches the eye level, this is detected by the shortest l/-1 electrode rod 13cIS, and the air pump 3 is stopped by the signal output from the level sensor 9.

By the way, the mixing ratio of ice cubes sucked into the suction port 12 is higher than the mixing ratio of ice cubes in the fish tank 30.
Normally, the concentration tends to become thinner. If the length of the fish body is one diameter larger than the suction hose 12, the water will resist the fish body, especially at the suction 11 part at the tip of the suction hose, and the passage of the fish body will be more difficult than the passage of water. This is because it takes time, and unless supplementary water is added to the fish tank 30, the concentration of ice cubes in the fish tank will drop and eventually the ice cubes will start to suck air. This drawback can be eliminated by configuring a structure in which a part of the water drained by the drain separator 24 provided at the end of the transfer pipe 25 is returned to the original fish tank 30 by the return water hose 29. .

However, if you always return the entire amount of the drained liquid to the fish tank 30, the concentration of ice cubes in the fish tank 30 will gradually decrease and eventually there will be only water. Flow control valve 3 connected to water hose
It is preferable to return some of the water depending on the number of fish m to be lifted by adjusting the opening of 1 or the liquid level of the reservoir tank 28.

Approximately 80 to 90% of the fish in the fish tank 30 can be raised using the above operating method, but if the amount of ice cubes in the fish tank decreases further,
The suction hose 12 must be moved to an area where the fish are densely populated, but during this process, the air from the young fish must be sucked in, and when return water is returned to the fish tank, the return water must be removed. Bubbles of air get mixed into the ice cubes along with the water. So do you want to do that? f! The level of ice cubes in the closed tank 1, in which air is also sucked up by the suction hose 12, gradually decreases.

121 When the ice cube level in the closed tank 1 drops to the intermediate syrup detection level, this is detected by the level sensor +/'9, and the air pump 3 is restarted by the signal from the level sensor 9. The air pump 3 stops when the upper limit water level is detected, as in the previous case. Even in this state, the rotary complete pump 20
is operated continuously, and air pump 3! When the fiJ is operated intermittently, it is possible to catch about 80 to 90% of the fish. As the number of ice cubes decreases, the amount of air sucked into the suction hose 12 increases. In this state, even if the air pump 3 is operated in parallel, the amount of air sucked in or the amount of air sucked will be greater than the amount of air in the sealed tank 1.
The ice cube inside is a few feet above the intermediate water level detection position. Therefore, when the liquid level reaches the F limit water level detection position, this is detected at the longest electrode body 13, and the output signal of the level sensor 9 is As a result, the operation of the rotary solids pump 20 is stopped, and only the air tube 3 is operated in a vacuum. When the inside of the sealed tank 1 rises to the intermediate water level detection position, the rotary solids pump 20 is restarted, and the air pump 3 and the rotary solids pump 20 are operated in parallel.
As described above, the air pump 3 is stopped at the water limit level and the rotary solids pump 20 is operated independently.

In this case, if the intake amount of air is very large and the operation time of the rotary solids pump 20 is shortened, the operation of the rotary solids pump 20 is completely stopped and the closed tank solids pump is turned off. Switch to driving.

[81 To operate the closed tank type solids pump, the rotary solids pump 20 is stopped, only the air pump 3 is operated, and the four-way switching valve 2 is turned on at the 1st limit of ice cube heating in the closed tank 1. By switching to the dotted line position in FIG. 1, the air pump sucks in atmospheric air and pressurizes compressed dormitory air into the sealed tank 1. The ice cubes are pressurized by the pressure of the air, the llf+l valve 5 on the suction side is closed, and the ice cubes are transferred to the rotary solids pump 201 + IK'tlf, the rotor 18 of the rotary solids pump 20, and the casing 17. The water passes through the inside, and is conveyed to the drain separator 24 through the discharge side reversal valve 6 and the transfer@-25.

In this case, the rotary solids pump 20 is not rotating, but the rotor and casing are conveniently formed so that even if the solids and water ai+J, the direction of the solids does not change smoothly with respect to the direction of passage. , so there is no damage to the fish body. Furthermore, although a large amount of air is sucked in from the satanyong hose 12 together with the ice cubes, this closed tank type solids pump does not cause any damage to the fish body even if the air is mixed in with the ice cubes.

141 The discharge flow continues until the lower limit level is detected in the sealed tank 1, and upon detection of the lower limit level, the four-way switching valve 2 is switched to the original position shown in the solid line in FIG. 1, the discharge side reversing valve 6 is closed, and the suction side is reverse When the upper valve 5 is opened, the suction stroke begins again. Thereafter, this process is repeated until the fish tank 30 is completely emptied.

If the fish is very small, such as a single-mouthed sardine, it is preferable to operate using the following method.0 If the length of the fish is smaller than the diameter of the suction hose 12, the suction port will cut the fish. Since it encounters almost no resistance, it is inhaled at a very high concentration, and the soft fish body, which has been pumped up in a state that does not differ from the ice cube ratio in the tank, is pumped by the operation of the rotary solids pump 20 that rotates at high speed. There is a risk that the fish body may be damaged by being fried. Therefore, at first, the closed tank type solids pump is operated to return all of the water from the drain separator 24 to the fish tank 30, and the concentration of colored water in the fish tank 30 is determined.
The rotary solids pump can be operated only after the liquid is diluted to a certain degree. This is because when the colored water is extremely concentrated, there is less water to act as a cushion between the fish and the fish, causing damage to the fish as a result of the fish directly brushing against each other.

As shown in I-, by first operating the closed tank solids pump, the rotary solids pump 20 can be operated after the air inside the rerotary solids pump 20 is completely exhausted. , is suitable for use with a rotary complete solids pump having a single, 'iTi-way rotor. When operating the rotary solids pump 20, even if a small amount of air is left in the rotor, the pump will not work, which will not only cause the fish body to spin idly and cause damage, but also cause the rotor to become damaged. This can be prevented to some extent by using a large-diameter shaft or bearing that can withstand the vibrations, which can easily damage the bearings and gland seals as it causes dynamic imbalance and generates severe vibrations.
It is uneconomical. Bladeless rotor? 11J---
If a single-bladed blade with a curved path is used, this tendency is particularly noticeable from a structural standpoint, and its life will be significantly shortened. On the other hand, since the ice cubes are forced into the rotor by operating the closed tank type solids pump, the air is completely exhausted.

0゛) Effect The solid material transfer device of the present invention solves the extremely difficult problem of low damage and high transfer capability, which has not been possible with any conventional solid material transfer device, due to the above-described structure. This characteristic enables the realization of ideal transfer characteristics under various adverse conditions in a wide variety of applications, which have been strongly demanded for many years, and enables labor-saving and high-performance skewers for solid material transfer. It has a number of benefits, including increased safety and speed.

This excellent characteristic is achieved by a configuration in which a rotary solids pump and a closed tank solids pump are connected in series, and the closed tank solids pump is connected to the suction side of the rotary solids pump. That is, according to this configuration, solids are pumped 11 times using a rotary solids pump.
In fact, it is possible to transfer a large amount per unit time, and even if air is inhaled, this air is removed in the closed tank of the closed tank type solids pump, which prevents the rotary solids pump from idling due to air. Furthermore, this sealed tank allows you to stop the rotary solids pump.
Solid matter can also be transferred by sucking in and discharging liquid.

Historically, conventional rotary solids pumps were often used as submersible pumps to avoid inhaling air during use. The solids transfer device has a structure in which the rotary solids pump only takes in air once, so there is no need to suspend the pump body into the water.
It has the advantage of being easy to handle, convenient and safe to use simply by inserting the suction bow into the water.

Furthermore, when the solid material transfer device of the present invention is used in a state where multiple digits of air are easily inhaled, or when the solids concentration is high and a rotary set solid pump is often damaged during transfer, The operation of the solids pump is stopped and the solids can be transferred with a closed tank type solids pump with less damage. At this time, the 1N-type object passes through the rotor of the rotary one-piece solids pump, but since the rotary one-piece solids pump has a solids transfer passage formed in the rotor, the solids pass through the rotary one-piece solids pump. No objects are damaged, and solid objects can be transported with the least damage.

Further, the solids transfer device of the present invention connects in series a sealed tank replacement type pump and seven rotary solids pumps through which solids can pass smoothly even when the operation is stopped.

For this reason, you can freely switch the operating state of the pump, starting up the 1m pump while rotating the -10,000 pumps, or starting the 1m pump while σ
It is possible to run 1η pumps at the same time. Furthermore, when switching between the two pumps, there is no need to change the piping at all, and by simply controlling the operation of the motor, etc., the operating state can be easily and quickly switched, and many other advantages are realized.

[Brief explanation of the drawing]

FIG. 1 is a schematic cross-sectional view of a solid material transfer device showing an embodiment of the present invention, FIG. 2 is a horizontal cross-sectional view of the bottom of a closed tank, and FIG.
5 to 5 are vertical sectional views of a closed tank, FIG. 6 is a schematic sectional view of a solids transfer device showing another embodiment, FIGS. 7 and 8 are sectional views of a rotary solids pump, 9 and 10 are cross-sectional views of the rotor. 1. Sealed tank, 2. Four-way switching valve, 3. Air pump, 4. Inlet, 5. Check valve, 6. Reverse 11-valve.
7. Exhaust [1, 8. Air vent, 9. Level sense,
10...Discharge pipe, 11...Suction duct, 12...→action hose, 13...Electrode rod, 14...Suction pipe, 15
・・Intake port, 16・・Porous &, 17・・Casing, 1
8... Rotor, 19... Suction port, 20... Rotary complete solids pump, 21... Outlet port, 22... Rotating shaft, 23
...Passing path, 24.. Drain separator, 25.. Transfer pipe, 26.. Receiving box, 27.. Sorting price, 28.. Reservoir, 29.
・・Return water hose, 30・・Fish tank, 31・・Flow rate adjustment valve,
32...Passway, 33...Branch pipe, 34...Exhaust pipe, Applicant Takeshi Hayashi Figure 2 Figure 4 Figure 6 Figure 7 Figure 1

Claims (1)

[Claims] (+) The solids transfer device includes a closed tank type solids pump and a rotary combined solids pump, and the closed and double type solids pump includes a closed tank, a pressure reducing means, The airtight tank is equipped with an airtight valve and a discharge valve, and the airtight tank is opened so that the solid matter passage and the air t-1 are opened, and the decompression stage is configured to exhaust the air in the airtight tank. , the suction side is connected to the air in the sealed tank, and the suction valve is a valve that opens only during the process in which liquid mixed with solids is sucked into the sealed tank, and this suction valve is connected to the passage of the sealed tank. It is connected to the suction fl pipe which communicates with the tank, and the discharge 'fr is connected to the passage of the closed tank through a valve that opens only during the process in which the liquid mixed with 12I1 is discharged from the closed tank. The closed tank type solids pump and the rotary type solids pump are connected in series, and the rotary type solids pump's suction ( 1 [1 or the discharge of a closed tank 1.(l (Ii
It is connected to the t1 passage, and the solids are passing through the closed tank.
A solids transfer device Ft configured to be transferred through an impeller of a solids pump. (2) Two passages are opened in the closed tank, the -force passage is inlet IT, l, and the pond -H passage is u1 exit 11,
1. The solid material transfer device i''t according to claim (1), wherein the solid material transfer device i''t is connected to the suction valve, and the discharge port [1 is connected to the suction side of a rotary solid material pump.
. (3) There is one passage in the sealed tank, and this passage is used for the intake [
-1 and tJ++ trl rl, the suction port is connected to the pump valve 1, and the discharge port [1 is connected to the rotary set 1 to the solid pump a]. Equipment for transporting objects. (4) The discharge valve is the discharge 011 of the rotary solids pump.
1. A solid material transfer device according to claim 1, which is connected to a solid material transfer device. (5) The solid material transfer device according to claim (1), wherein the suction valve and the discharge valve are check valves. (6) The sealed tank is equipped with a level sensor, and this level sensor controls the operation of the pressure reducing means and the rotary solid material pump, and when the liquid level in the sealed tank is a certain amount 1-, the rotary solid material pump is operated. A solid material transfer device according to claim (1). (7) The suction side of the pressure reducing means is communicated between the rotary solids pump and the sealed tank, and the air flowing between the rotary solids pump and the sealed tank is discharged by the pressure reducing means. A solid material transfer device according to claim (1). (8) The solids transfer device according to claim 1, wherein the rotary solids pump is a bladeless rotor pump having a bladeless rotor, and the rotor has a single unbranched passage. (9) The solid material transfer device according to claim (1), wherein the rotary solid material pump is disposed below the closed door.