KR200371838Y1 - SPC(Sulfur Polymer cement) storage tank - Google Patents

Abstract

The present invention relates to a SPC (Sulfur Polymer cement) storage tank, the heating line is installed in a spiral shape of a predetermined pitch from the bottom to the top along the inner circumferential surface of the tank, by moving the fruit oil along the inside of the heating line The SPC is heated and warmed, and also includes a plurality of rotary blades that rotate about an axis installed in the center of the tank body. The heated SPC is stirred using the rotary blades to maintain a constant temperature, and the SPC in the SPC storage tank. Disclosed is an SPC storage tank in which two or more pumps are installed in parallel in an input line for supplying gas.

Description

SPC storage tank {Sulfur Polymer cement (SPC) storage tank}

The present invention relates to a SPC (Sulfur Polymer Cement) storage tank, and more particularly to an SPC storage tank that can store and accommodate the SPC and maintain the temperature uniformly.

In general, concrete is widely used as a representative construction material because of its high compressive strength and durability, low cost and abundance. Today, with the development of the industry, various structures are gradually increasing in size and diversification. Accordingly, the need for concrete is increasing because physical properties are improved compared to conventional concrete. In particular, there is a great need to improve the shortcomings of large brittleness, small tensile strength, and easy cracking, which are the biggest defects of concrete, and there is also a need for improvement of chemical resistance and durability and improvement of antibacterial properties.

As a way to compensate for the shortcomings of these concrete products, SPC (Sulfur Polymer Cement) such as sulfur polymer is mixed in a predetermined proportion to concrete composition composed of coarse aggregate, fine aggregate, filler, etc. A method of manufacturing was developed. Here, SPC is added to replace the general cement to compensate for the shortcomings of the concrete, also called a sulfur polymer, in the present design used a sulfur polymer, namely SPC, which is a brand name 'Duracon'.

The manufacturing method of such an MSPC product is disclosed in Korean Patent Application No. 10-2003-0008279. In order to manufacture the MSPC product, the sulfur polymer is heated to a temperature of about 100 to 160 ° C. and mixed with pre-heated coarse aggregate, fine aggregate, and filler. After that, it should be poured into the mold while maintaining the temperature of about 100 ~ 160 ℃. To this end, there is a need for a facility capable of maintaining the temperature together with a facility for heating the sulfur polymer, ie, SPC, to the temperature. In addition, the conventional SPC manufacturer of the liquid SPC in the solid phase, and after receiving the supply of the solid SPC is applied to change the liquid phase by using a method, which is a double time and cost is consumed It entailed a problem.

The present invention was devised to solve the above problems, and the object of the present invention is to provide an SPC storage tank capable of storing and accommodating liquid SPC in the process of making MSPC products and at the same time maintaining the temperature of the SPC uniformly. have.

1 is a perspective view of a Sulfur Polymer Cement (SPC) storage tank according to a preferred embodiment of the present invention.

2 is a side view of FIG. 1;

3 is a cross-sectional view taken along line III-III ′ of FIG. 1.

4 is a view showing the arrangement of the heating line of the inner bottom of the SPC storage tank of FIG.

5 is a schematic view showing an SPC storage tank device.

<Description of the symbols for the main parts of the drawings>

10 tanks 20 lids

32 ... SPC Input Line 34 ... SPC Discharge Line 36 ... SPC Return Line

38 Drain line 42 Refrigerant oil input line 44 Refrigerant oil discharge line

60 Heater 62 Heating line 76 Rotating blade

Sulfur polymer cement (SPC) storage tank according to the present invention for achieving the above object, the tank containing the SPC; A heating unit for heating the SPC accommodated in the tank to a predetermined temperature; A motor installed at the top of the tank; And a plurality of rotary blades installed on a rotating shaft connected to the motor to stir the SPC while rotating.

Preferably, the heating unit, the heating line is installed in a spiral shape of a predetermined pitch from the bottom toward the top along the inner circumferential surface of the tank; Fruit oil moving along the inside of the heating line; And a heating unit for heating the fruit oil.

Preferably, the fruit oil heats the SPC in the tank to 130 ~ 140 ℃, more preferably, the heating unit heats the fruit oil to 160 ~ 180 ℃.

Preferably, at least two pumps are installed in parallel in a fruit oil input line connected to the heating part to supply the fruit oil to the tank, and more preferably, the pump is parallel to the SPC discharge line for discharging the SPC from the tank. More than one is installed.

On the other hand, the pump is installed in the SPC input line for supplying the SPC to the tank.

Hereinafter, an SPC storage tank according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The terms or words used in the present specification and claims are not limited to the ordinary or dictionary meanings, and are properly defined to describe the present invention in the best way. Therefore, these terms or words should be interpreted as meanings and concepts corresponding to the technical spirit of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical ideas of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

SPCs, such as sulfur polymers used in the present invention, as disclosed in Patent Publication No. 1983-2618, dicyclopentadiene, methyl cyclopentadiene, divinyl benzene, cyclooctadiene, cyclodecatriene, octa 5 to 20% by weight of a first hydrocarbon selected from dienes and myrcene (for sulfur) and 5 to 20% by weight of a second hydrocarbon selected from dipentene, styrene, vinyltoluene, pinene and octene (for sulfur) It is prepared by reacting at a temperature sufficiently high to generate an exothermic reaction, that is, 120 to 200 ° C. The SPC has a transmittance of 5 to 100, a softening point of 10 to 70 ° C. and a ductility of at least 100, and the heat transfer rate is considerably low. SPC exists in the solid phase below 100 ~ 110 ℃, it exists in the liquid phase at the temperature above that, when the temperature is above 150 ~ 160 ℃, the viscosity increases, sulfur components are released, such as changes in physical properties. Therefore, in order to use SPC, it is preferable to maintain the temperature of 130-140 degreeC.

1 and 2 show an SPC storage tank according to a preferred embodiment of the present invention. Referring to the drawings, the SPC storage tank according to the present invention, the tank 10 for receiving a certain amount of SPC, the heating unit 60 for heating the SPC contained in the tank 10 to a predetermined temperature, the upper portion of the tank 10 It is provided with a motor 72 installed in, and a rotating shaft 74 connected to the motor 72, a plurality of rotary blades 76 for stirring the SPC while rotating.

Tank 10 is made of a suitable size to accommodate a certain amount of SPC, and has a lid 20, the body 30, and the bottom 50.

The lid 20 serves to seal the inside of the tank 10. Preferably, the motor 72 is provided at the center of the lid 20, the motor 72 will be described in detail later. Preferably, one side of the lid 20 is provided with a ladder 22 to the ground so that when the operator needs to work on the lid 20, it can be easily climbed up to the lid 20 of the tank 10. More preferably, a hand rail 28 is formed along the edge of the lid 20 so that the handrail 28 can be used when an operator working on the lid 20 using the ladder 22 is working. By being able to lean, it prevents the fall by sliding or the like when the lid 20 is moved. One side of the upper surface of the lid 20 is formed with a manhole (24) of a size that a person can enter and exit to allow a worker to enter the tank 10 to work. Preferably, the manhole 24 has a door 25 formed separately from the manhole 24 lid, so that the operator can open and close the door 25 without opening the manhole 24, so that the inside of the tank 10 can be seen or Check the quantity of SPC, or add additives. Although not shown in the drawings, the manhole 24 is provided with a ladder or the like inside the tank 10 to allow the worker to safely enter the tank 10. Preferably, an air vent line 26 is formed on the upper surface of the lid 20, and when air or unnecessary gas is filled in the tank 10, the air vent line 26 is discharged to the outside of the tank 10. To do it.

The body 30 of the tank 10 preferably has a cylindrical shape and is made of stainless steel having a higher corrosion resistance than general iron. The upper one side of the body 30 is formed with an SPC input line 32 into which the SPC is introduced into the tank 10. Preferably, the SPC input line 32 is formed in the upper portion of the body 30 adjacent to the lid 20 of the tank 10 so that the SPC is accommodated in the tank 10, the support bar 46 It is firmly fixed to one side of the tank (10). The valve 33 is formed in the SPC inlet line 32 to adjust the input amount by manually or preferably driven by a separate control unit electrically or electronically, and the water level of the SPC in the tank 10 is increased to inject the SPC. Preventing backflow of the SPC through line 32. Preferably, the SPC input line 32 is provided with a pump (see FIG. 5: 31) to facilitate the introduction into the tank 10 in the vehicle carrying the SPC.

3 is a cross-sectional view of the SPC input line 32, as well as the SPC input line 32, SPC discharge line 34, SPC return line 36 has the same structure. Hereinafter, only the SPC input line 32 will be described, and the description of the SPC discharge line 34 and the SPC return line 36 will be omitted. Referring to the drawings, the SPC input line 32 is a hollow 82 to which the SPC moves. ), A heating unit 84 for heating the SPC moving along the hollow 82, and a heat insulating unit 86 surrounding the heating unit 84. The heating unit 84 controls the temperature of the SPC 130 to 130. The SPC is heated to maintain at 140 ℃, using a method of heating the fruit oil, including the fruit oil, or a method of heating the SPC, including a heating wire (not shown), may be used Various modifications and adaptations may be made by those skilled in the art.The heating section 84 is surrounded by the insulating section 86 to prevent heat from the heating section 84 from being released to the outside, The SPC also takes heat away and prevents the temperature from dropping.

Referring to FIGS. 1 and 2 again, an SPC return line 36 is formed on the upper side of the body 10 separately from the input line 32. The SPC return line 36 is connected by a metering tank (see FIG. 5) 110 and an SPC inlet line 34 and a three-way valve (not shown) which will be described later, and the SPC inlet line 34 and the SPC return line are normally used. When 36 is connected and the weighing tank 110 is not connected, the SPC circulates along the SPC input line 34 and the SPC return line 36, and when the SPC must be supplied to the weighing tank 110, The SPC input line 34 and the weighing tank 110 are connected to supply the SPC to the weighing tank 110. Preferably, the SPC return line 36 is provided with a valve 37 that is manually or automatically driven to adjust the amount of SPC returned to the inside of the tank (10).

On the lower side of the body 10, the SPC discharge line 34 for discharging the SPC to the outside of the tank 10 is formed. The discharge line 34 is provided with a valve 35, so as to be driven manually or automatically by a separate control unit to adjust the discharge of the SPC.

A drain line 38 is formed at one side adjacent to the bottom 50 of the body 30. The drain line 38 enables the discharge of the impurities mixed in the SPC introduced into the tank 10 to the outside of the tank 10 when it is settled below the tank 10. In the drain line 38, a valve 39 is formed so that an operator opens or closes it manually or by a separate controller to discharge impurities, etc. that settled under the tank 10.

The heating unit 60 serves to maintain the temperature of the SPC accommodated in the tank 10 at a predetermined temperature. Heating unit 60 is a heating line 62 installed in a spiral shape of a predetermined pitch from the bottom to the top along the inner circumferential surface of the body 30 of the tank 10, fruit oil moving along the inside of the heating line 62, And a heating part (see FIG. 5: 100A) 100B for heating the fruit oil.

The heating line 62 is installed in a spiral shape with a predetermined pitch from the lower side to the upper side along the inner circumferential surface of the body 30 of the tank 10. As shown in FIG. 4, the heating line 62 is preferably installed in a spiral shape toward the top after being installed across the bottom 50 of the tank 10. The heating line 62 is formed with a hollow having a predetermined diameter so that the fruit oil can move through the inside. The heating line 62 is connected to the fruit oil input line 42 at the bottom of the tank 10, and is connected to the fruit oil discharge line 44 at the top of the tank 10. Unlike the embodiment of the present invention, when the fruit oil input line 42 is connected to the upper portion of the tank 10, by the moving speed of the fruit oil moving from the upper portion of the tank 10 toward the lower portion, the tank in the fruit oil ( 10) The internal SPC is lowered to the bottom of the tank 10 without sufficient heat transfer. Therefore, the fruit oil is moved from the lower part of the heating line 62 to the upper part to sufficiently heat transfer from the fruit oil to the SPC, thereby heating the SPC to maintain a predetermined temperature.

Fruit oil is heated to about 160 ~ 180 ℃ in the heating unit (100A) (100B), the heated fruit oil is introduced into the tank 10 by the fruit oil input line 42, heating in the tank 10 Moving along the line 62 and the SPC contained in the tank 10 is heated and warmed to 130 ~ 140 ℃. When the fruit oil reaches the upper portion of the tank 10 by lowering the temperature by heat transfer with the SPC, the fruit oil discharge line 44 connected to the heating line 62 is connected to a heating unit 100A, 100B such as a boiler. It is heated again and the above process is repeated to continue heating and warming the SPC.

The fruit oil is heated and circulated by the heat generated from the heating units 100A and 100B such as a boiler, and serves to heat the SPC inside the tank 10 to a predetermined temperature. If the SPC is heated using the fruit oil and the SPC is stirred by the rotary blade 76 which will be described later, the overall heating can be performed more uniformly than when directly heated using a heater or a burner. The fruit oil must be stable to pyrolysis and oxidation, not corrode metal, and have adequate fluidity at the temperatures used. The fruit oil is circulated through the heating oil input line 42, the heating line 62, the heating oil discharge line 44, and the heating unit 100A (100B) such as a boiler. Since the heat oil expands due to the temperature rise, it is preferable to provide a predetermined free space (see Fig. 5: 102A) 102B in the heating unit 100A, 100B such as a boiler, and the heat line 62 is Fully filled with fruit oil.

Preferably, the heat insulating member 48 is installed on the lid 20, the outer surface of the body 30, and the bottom 50 of the tank 10. The heat insulating member 48 prevents the heat inside the tank 10 from dissipating to the outside, thereby maximizing the heating and warming effect by the fruit oil flowing along the heating line 62, thereby maintaining a constant temperature of the SPC.

A motor 72 is installed at the upper center portion of the tank 10, and a plurality of rotary blades 76 are installed on the rotation shaft 74 connected to the motor 72 and extending toward the inside of the tank 10, thereby rotating. The blade 76 rotates to stir the SPC.

Preferably, the motor 72 is installed in the center of the lid of the tank 10, the rotary shaft 74 connected to the motor 72 extends extending from the top to the bottom of the interior of the tank 10. The rotating shaft 74 is connected to the fixing member 78 at the bottom of the tank 10 so that the rotating shaft 74 can rotate without vibrating. Rotating blades 74 are installed on the rotary shaft 74. Although two rotary blades 76 are shown in the drawings, the rotary blades 74 are not limited thereto and may be any suitable number in consideration of the amount of SPC and the internal space of the tank 10. Rotary blade 76 may be installed. As described above, when SPC is heated to 150 to 160 ° C. or higher, it is important that the SPC not be heated to a higher temperature because various physical property changes occur, such as a sudden increase in viscosity and the release of sulfur components. Maintain a temperature of ˜140 ° C. In the present invention, the SPC inside the tank 10 is evenly mixed by the rotation of the rotary blade 76, and not only a part of the SPC is heated by the fruit oil of the heating line 62, but by the rotation of the rotary blade 76. The mixture is evenly mixed so that only a portion of the SPC around the heating line 62 is heated to prevent the temperature from rising, and the whole is uniformly heated to maintain a constant temperature.

Looking at the operation of the SPC storage tank according to the present invention configured as described above are as follows.

First, the operator opens or opens the valve 33 of the SPC input line 32 manually or electronically or electrically by a separate control unit, and then opens a pump installed in the SPC input line 32 (see FIG. 5: 31). By driving the SPC is introduced into the tank 10 from the SPC transport vehicle (not shown). When an appropriate amount of SPC is introduced into the tank 10, the driving of the pump 31 is stopped and the valve 33 is closed. SPC may be introduced into the tank 10 by the SPC return line 36 connected to the weighing tank 110.

When the appropriate amount of SPC is filled into the tank 10, the operator operates the heating unit 100A (100B) such as a boiler to heat the fruit oil to 160 ~ 180 ℃. The heated fruit oil moves toward the tank 10 through the fruit oil inlet line 42 and opens the valve 43 connected to the heating line 62 to heat the heating oil 62 inside the fruit oil tank 10. Is put into. In this case, pumps 91 and 92 are installed in the fruit oil input line 42 adjacent to the heating parts 100A and 100B to supply the fruit oil to the heating line 62 through the input line 42. The pumps 91 and 92 are installed in parallel so that even if one pump fails, the excess oil can be continuously supplied by the extra pump.

As shown in Figure 5, the heating unit 100A (100B), such as a boiler is not one, but two are installed in parallel, so that even if one stops the operation to continue the heating process by the extra heating unit do. The line extending from the heating parts 100A and 100B is connected to the fruit oil input line 42 by a three-way valve 97. That is, when one heating unit 100A is operated, the three-way valve 97 connects the heating unit 100A and the fruit oil input line 42 to operate, and the extra heating unit 100B and the fruit oil The input line 42 is not connected, and when the heating unit 100A that is in operation stops working due to a failure, the extra heating unit 100B is operated, and the three-way valve 97 is an extra heating unit 100B. ) And fruit oil input line (42).

As described above, when SPC is heated to 150 to 160 ° C. or higher, it is important that the SPC not be heated to a higher temperature because various physical property changes occur, such as a sudden increase in viscosity and the release of sulfur components. Maintain a temperature of ˜140 ° C. In the present invention, after the heating line 62 crosses the bottom surface of the tank 10 several times, the heating line 62 is installed in a spiral shape with a predetermined pitch from the lower side to the upper side along the inner circumferential surface of the tank 10, so that the heating oil 62 of the heating line 62 While circulating along the inside to maintain the temperature of the SPC filled in the tank 10 at 130 ~ 140 ℃. In the case where the fruit oil moves along the heating line 62 and heats and insulates the SPC, the motor 72 of the tank 10 is driven to drive the rotary blade 76 connected to the rotary shaft 74 to rotate the tank. (10) The inside of the SPC is stirred, so that only a portion of the SPC is heated by the fruit oil of the heating line 62 so as not to exceed 150 ~ 160 ℃, to maintain 130 ~ 140 ℃.

The heat exchanged with the SPC in the tank 10, the temperature decreases the temperature is discharged out of the tank 10 by the fruit oil discharge line 44 connected to the heating line 62, the three-way valve (98) It enters the heating part (100A) (100B) which is operated by the heating will be.

SPC is heated to 130 ~ 140 ℃ by fruit oil flowing along the heating line 62, discharged out of the tank 10 by the SPC discharge line 34, the metering tank by the extended SPC discharge line 34 Connected to 110. Two or more pumps 93 and 94 are installed in parallel in the SPC discharge line 34, so that even if one pump fails, the SPC can be continuously supplied by an extra pump.

The metering tank 110 stores the SPC supplied from the SPC storage tank 10 once, and although not shown in the drawing, preferably, a measuring instrument capable of measuring the weight of the SPC is provided to the mixer by a predetermined amount. 120). Similarly, two or more pumps 95 and 96 are installed in a line for supplying SPC from the metering tank 110 to the mixer 120. The metering tank 110 is connected by the SPC input line 34 and the SPC return line 36 and the three-way valve (not shown), usually the SPC input line 34 and the SPC return line 36 is connected Not connected to the metering tank 110, the SPC cycles along the SPC input line 34 and SPC return line 36, if the SPC to supply the SPC to the metering tank 110, SPC input line 34 And the weighing tank 110 is connected to supply the SPC to the weighing tank 110.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Various modifications and variations can be made within the equivalent scope of the utility model registration claims to be described.

According to the SPC storage tank according to the present invention has the following effects.

First, when using the SPC storage tank according to the present invention, it is possible to uniformly heat the SPC to a predetermined temperature by the rotary blades, it is possible to maintain a constant temperature of the heated SPC.

Second, since the liquid SPC is stored, the cost and time of heating and dissolving the solid SPC can be saved.

Claims (6)

A tank containing Sulfur Polymer Cement (SPC); A heating unit for heating the SPC accommodated in the tank to a predetermined temperature; A motor installed at the top of the tank; And SPC storage tank, characterized in that it is provided on the rotating shaft connected to the motor, a plurality of rotary blades to stir the SPC while rotating. The method of claim 1, wherein the heating unit, A heating line installed in a spiral shape having a predetermined pitch from a lower side to an upper side along an inner circumferential surface of the tank; Fruit oil moving along the inside of the heating line; And SPC storage tank comprising a; heating unit for heating the fruit oil. The method of claim 2, The heating unit heats the fruit oil to 160 ~ 180 ℃, SPC storage tank, characterized in that the fruit oil heats the SPC in the tank to 130 ~ 140 ℃. The method of claim 2, SPC storage tank, characterized in that two or more pumps are installed in parallel in the fruit oil input line is connected to the heating unit for introducing the fruit oil into the tank. The method of claim 1, SPC storage tank, characterized in that two or more pumps are installed in parallel in the SPC discharge line for discharging the SPC from the tank. The method of claim 1, SPC storage tank, characterized in that the pump is installed in the SPC input line for introducing the SPC to the tank.