Vertical storage tank for crack treating agent

Abstract

A vertical storage tank for a crack treating agent comprises a tank body and an auxiliary discharging mechanism arranged in the tank body, the tank body comprises a vertical cylindrical tank body part and a conical tank bottom, and the top of the vertical cylindrical tank body part is provided with a crack treating agent feeding connector and a breather valve. Spiral flow deflectors are fixedly arranged on the inner wall of the vertical cylindrical tank body part from top to bottom and guide materials to flow along the wall surface, so that retention areas are reduced; and a PFA (Polyfluoroalkoxy) bottom layer and a PTFE (Polytetrafluoroethylene) surface layer are sequentially arranged on the surface of the spiral flow deflector and the surface of the inner wall of the tank body. The low-speed stirring tank has the advantages that layering is avoided by low-speed stirring, and the mixing deviation of component materials is reduced. And the PFA bottom layer and the PTFE surface layer are sequentially arranged on the surface of the inner wall of the tank body, so that permeation resistance and wear resistance are improved, and the long service life can be ensured in a low-speed stirring state for a long time. And the pneumatic auxiliary discharging function is achieved, and the discharging speed of the crack treating agent is effectively increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crack treatment agent technical field, specifically relates to a vertical storage tank for crack treatment agent. BACKGROUND

[0002] The vertical storage tank of crack treatment agent is due to the characteristics such as high viscosity, solid phase particle and easy precipitation of crack treatment agent, in order to guarantee the uniformity of crack treatment agent, need low speed stirring to avoid stratification, reduce component material mixing deviation. The inner wall of conventional stainless steel material is often not wear-resistant, and the service life of the storage tank is affected under the condition of long-term low-speed stirring. The existing vertical storage tank of crack treatment agent often does not have pneumatic auxiliary discharge, and the discharge speed is slow. SUMMARY

[0003] The utility model discloses a vertical storage tank for crack treatment agent to solve the problems of the prior art.

[0004] A vertical storage tank for crack treatment agent, it includes the tank body and sets up in the auxiliary discharge mechanism of tank body,

[0005] The tank body includes vertical cylindrical tank body part and conical tank bottom part, the top of vertical cylindrical tank body part is equipped with crack treatment agent feeding interface and breather valve, the inner wall of vertical cylindrical tank body part is equipped with helical guide vane from top to bottom, and helical guide vane guides material to flow along wall surface, reduces stagnation zone;The surface of helical guide vane and the inner wall surface of tank body are sequentially provided with PFA bottom layer and PTFE surface layer;PFA is the copolymer of tetrafluoroethylene (TFE) and perfluoroalkyl vinyl ether (PAVE), PFA bottom layer has good processing performance and excellent mechanical properties, excellent stress cracking resistance and bending life, permeability, suitable as bottom layer. PTFE surface layer has chemical resistance and low friction coefficient, and is suitable for occasions requiring low friction and high chemical resistance. The effect of the two is significantly better than that of single PTFE surface coating.

[0006] The auxiliary discharge mechanism includes the stirring motor arranged at the top of the vertical cylindrical tank body part, the rotating shaft connected with the output shaft of the stirring motor and extending into the tank body, and the spiral blade arranged on the rotating shaft, and the lower end of the spiral blade extends into the conical tank bottom part.

[0007] Preferably, the top of the vertical cylindrical tank body part is also provided with a storage tank gas inlet interface with a check valve, and the storage tank gas inlet interface is connected with an air compressor through a gas inlet pipe.

[0008] Preferably, the tank body, the rotating shaft and the spiral blade are all made of stainless steel.

[0009] Preferably, the top of the tank body is also provided with a radar liquid level meter for detecting the liquid level of the crack treatment agent.

[0010] Preferably, the outer wall surface of the tank body is further provided with a heat preservation and insulation layer.

[0011] Preferably, the lower part of the conical tank bottom is provided with a discharge port.

[0012] The utility model discloses the advantages are: low speed stirring avoids stratification, reduces component material mixing deviation. The inner wall surface of tank body is provided with PFA bottom layer and PTFE face layer in proper order and is more permeable, wear -resisting, can guarantee longer service life under the long -term low speed stirring state. Possesses pneumatic auxiliary discharge function, effectively promotes the discharge speed of crack treating agent. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model.

[0014] Figure 2 It is the structural schematic diagram of the utility model inside.

[0015] Figure 3 It is the coating structure schematic diagram of the inner wall of tank body.

[0016] Figure 4 It is the coating structure schematic diagram of the inner and outer wall of tank body. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, below, the technical scheme in the embodiment of the utility model will be clearly and completely described with the drawings in the embodiment of the utility model, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. The components of the embodiment of the utility model described and shown in the drawing here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the protection of the utility model.

[0019] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0020] In the description of the embodiments of the utility model, it needs to be explained that, if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship of the utility model product in common use, it is only for the convenience of describing the utility model and simplifying the description, and it does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model. In addition, if the terms "first", "second" and the like appear in the description of the utility model, they are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the embodiments of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, if the terms "set", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] As shown in the drawings, a vertical storage tank for crack treatment agent, which comprises a tank body 40 and an auxiliary discharging mechanism arranged in the tank body 40,

[0023] The tank body 40 comprises a vertical cylindrical tank body part 41 and a conical tank bottom part 42, the top of the vertical cylindrical tank body part 41 is provided with a crack treatment agent feeding interface 43 and a breather valve 44, the inner wall of the vertical cylindrical tank body part 41 is fixedly provided with a spiral flow guide vane 47 from top to bottom, the spiral flow guide vane guides the material to flow along the wall surface, reducing the stagnation area; the surface of the spiral flow guide vane 47 and the inner wall surface of the tank body 40 are sequentially provided with a PFA bottom layer 48 and a PTFE surface layer 49; PFA is a copolymer of tetrafluoroethylene (TFE) and perfluoroalkyl vinyl ether (PAVE), the PFA bottom layer has good processing performance and excellent mechanical properties, excellent stress cracking resistance and bending life, permeation resistance, and is suitable as a bottom layer. The PTFE surface layer has chemical resistance and low friction coefficient, and is suitable for occasions requiring low friction and high chemical resistance. The cooperation of the two has a remarkable effect better than the use effect of a single PTFE surface coating.

[0024] The auxiliary discharging mechanism comprises an agitating motor 51 arranged at the top of the vertical cylindrical tank body part 41, a rotating shaft 52 connected with the output shaft of the agitating motor 51 and extending into the tank body 40, and a spiral blade 53 arranged on the rotating shaft 52, the lower end of the spiral blade 53 extends into the conical tank bottom part 42.

[0025] In another technical solution, the top of the vertical cylindrical tank body part 41 is also provided with a tank air inlet interface 45 with a one-way valve, and the tank air inlet interface 45 is connected with the air compressor through an air inlet pipe 46. The pneumatic auxiliary discharging, the tank air inlet interface 45 is a 0.6MPa compressed air interface, and the pulse jet is used for discharging, so as to improve the flowability of the crack treatment agent.

[0026] In another technical solution, the tank body 40, the rotating shaft 52 and the spiral blade 53 are all made of stainless steel.

[0027] In another technical solution, the top of the tank body 40 is also provided with a radar liquid level meter for detecting the liquid level of the crack treatment agent.

[0028] In another technical solution, the outer wall surface of the tank body 40 is also provided with a heat insulation layer 50, so as to avoid that the temperature in the tank body is too low in winter.

[0029] In another technical solution, the lower part of the conical tank bottom part 42 is provided with a discharge port, so as to facilitate subsequent discharging.

[0030] Working principle: the crack treatment agent is connected to the crack treatment agent feeding interface 43 through a fluid delivery pump and a delivery pipeline, and then enters the tank body 40. The rotating shaft 52 and the spiral blade 53 are driven by the stirring motor 51 to stir at a low speed, so as to maintain the flowability of the crack treatment agent in the tank body 40. When the crack treatment agent needs to be discharged, the air compressor is started, and air is introduced into the tank body 40 through the air inlet pipe 46 and the tank air inlet interface 45 to assist discharging. The low-speed stirring avoids stratification and reduces the mixing deviation of the component materials. The inner wall surface of the tank body is provided with a PFA bottom layer and a PTFE surface layer in sequence, which is more resistant to permeation and wear, and can also ensure a long service life in a long-term low-speed stirring state. The tank body has the function of pneumatic auxiliary discharging, and effectively improves the discharging speed of the crack treatment agent.

[0031] The above implementation cases are only for describing the technical solutions and characteristics of the utility model, and the purpose is to better enable the person skilled in the art to implement them, and cannot limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit and essence of the utility model are within the protection scope of the utility model, and the existing technology which is not described in detail is also within the protection scope of the utility model.

Claims

1. A vertical storage tank for a crack treatment agent, comprising a tank body (40) and an auxiliary discharge mechanism disposed within the tank body (40), characterized in that, The tank (40) includes a vertical cylindrical tank body (41) and a conical tank bottom (42). The top of the vertical cylindrical tank body (41) is provided with a crack treatment agent inlet (43) and a breather valve (44). The inner wall of the vertical cylindrical tank body (41) is fixed with a spiral guide plate (47) from top to bottom. The surface of the spiral guide plate (47) and the inner wall surface of the tank (40) are respectively provided with a PFA bottom layer (48) and a PTFE top layer (49). The auxiliary discharge mechanism includes an agitator motor (51) set at the top of the vertical cylindrical tank body (41), a rotating shaft (52) connected to the output shaft of the agitator motor (51) and extending into the tank body (40), and a spiral blade (53) set on the rotating shaft (52). The lower end of the spiral blade (53) extends into the bottom (42) of the conical tank.

2. The vertical storage tank for crack treatment agent according to claim 1, characterized in that, The top of the vertical cylindrical tank body (41) is also provided with a tank air inlet (45) with a one-way valve, and the tank air inlet (45) is connected to the air compressor through the air inlet pipe (46).

3. The vertical storage tank for crack treatment agent according to claim 1, characterized in that, The tank body (40), rotating shaft (52) and spiral blades (53) are all made of stainless steel.

4. A vertical storage tank for a crack treatment agent according to claim 1, characterized in that, The top of the tank (40) is also equipped with a radar level gauge for detecting the level of the crack treatment agent.

5. A vertical storage tank for a crack treatment agent according to claim 1, characterized in that, The outer wall surface of the tank (40) is also provided with a heat insulation layer (50).

6. A vertical storage tank for a crack treatment agent according to claim 1, characterized in that, The bottom (42) of the conical tank is provided with a discharge port.

Images