CN209663204U - A kind of thick sour mixing arrangement of grease well acidizing - Google Patents

Abstract

The utility model discloses a kind of thick sour mixing arrangements of grease well acidizing, including mixing tank and pedestal, several support rods are installed between mixing tank and pedestal, acid solution charging device and thickening agent charging device are installed at the top of mixing tank, mixing tank inner top surface is equipped with premix case, premix upper box part passes through pipeline respectively and is connected to acid solution charging device and thickening agent charging device, premix lower box part is equipped with discharging channel, material control device is installed in premix case, agitating device is installed in the mixing tank, horizontal shaft is rotatably equipped in the mixing tank of agitating device two sides, flabellum is installed in shaft, shaft end passes through mixing tank side wall and extends to outside mixing tank, and it is connected with driver, mixing lower box part is equipped with feed back pipe, pump is installed on feed back pipe, feed back pipe end pass through mixing tank after with premix case Top connection.The utility model mixing efficiency is high, good mixing effect and can control thickening agent additive amount.

Description

A kind of thick sour mixing arrangement of grease well acidizing

Technical field

The utility model relates to grease well acidizing field, the thick sour mixing arrangement of especially a kind of grease well acidizing.

Background technique

Acidification is the well stimulation of carbonate rock oil reservoir, and the de-plugging of general sandstone reservoirs oil-water well, increasing yield and injection are arranged It applies.It is to inject one or more of acid solutions to stratum by wellbore, using acid in stratum can reactive mineral chemical reaction, solution It is reacted except the substance blocked in formation pore or crack, while with the rock in pore surface or sides of fracture, to increase hole Degree improves or restores reservoir permeability, makes well production increment.

Viscous acid refers to the biggish solution of viscosity that thickening agent is added in acid solution and is formed, and viscous acid is well production increment One kind of underground work liquid used in operation, the fracture acidizing link being mainly used in well production increment operation, viscous acid energy Acid-rock reaction speed is enough reduced, corrosion and communication capability of the acid solution to deep formation are improved.Traditional industry is when deploying viscous acid It is all that acid solution and thickening agent are directly added into mixing arrangement simply to be mixed, due to traditional mixing arrangement structure letter It is single, therefore the mixing arrangement that mixing efficiency is low, mixed effect is poor and traditional is directly to add when adding thickening agent, it can not The additive amount of control thickening agent well.

Utility model content

Technical problem to be solved in the utility model is in view of the above shortcomings of the prior art, to provide a kind of mixing effect Rate height, good mixing effect and the thick sour mixing arrangement of grease well acidizing that thickening agent additive amount can be controlled.

In order to achieve the goal above, the technical solution of the utility model is as follows:

A kind of grease well acidizing is equipped with row with thick sour mixing arrangement, including mixing tank and pedestal, the mixing tank bottom Expects pipe is equipped with several support rods, is equipped with acid solution charging device and tune at the top of the mixing tank between mixing tank and pedestal Thick dose of charging device, mixing tank inner top surface are equipped with premix case, and premix upper box part passes through pipeline and acid solution charging device respectively And the connection of thickening agent charging device, premix lower box part are equipped with discharging channel, premix and are equipped with material control device in case, it is described mixed Agitating device is installed, the mixing chamber interior wall positioned at agitating device two sides is rotatably equipped with horizontal shaft, shaft in mould assembling On flabellum is installed, shaft passes through mixing tank side wall and extends to outside mixing tank, and is connected with driving device, mixing lower box part installation There is feed back pipe, pump is installed on feed back pipe, feed back pipe end is connected to after passing through mixing tank with premix upper box part.

Preferably, the mixing chamber interior wall is equipped with the fixing sleeve for fixing discharging channel.

Preferably, the acid solution charging device includes liquor box and several piece deflector, is provided with fluid injection on the liquor box Mouthful, deflector described in several piece is horizontal and left and right is arranged at random in liquor box.

Preferably, the thickening agent charging device includes material storing box, guide plate, loading plate, fixed link and the first electromagnet, It is provided with feeding port at the top of the material storing box, inclined guide plate, guide plate end are installed in the material storing box below feeding port End is equipped with block, and material storing box is equipped with support plate, the first electromagnetism is equipped in support plate on the inner wall far from guide plate side Iron, material storing box inner top surface are equipped with fixed link, and loading plate is hinged in fixed link, and loading plate one end is contacted with stop bottom, separately One end is equipped with the first permanent magnet with the cooperation of the first electromagnet.

Preferably, the angle between the guide plate and storing chamber interior wall is 30 °, and its upper surface is rotatably mounted scrapes Bar.

Preferably, the material control device includes partition, the second electromagnet, the second permanent magnet and several support springs, described Partition is movably arranged in premix case, and partition bottom is equipped with the second permanent magnet, and premix case inner bottom surface is equipped with and the second permanent magnetism Second electromagnet of iron cooperation is equipped with several support springs between partition and premix case inner bottom surface.

Preferably, the agitating device includes stirring motor, agitating shaft and stirring blade, and the stirring motor is mounted on mixed At the top of mould assembling, the output shaft of stirring motor is connected with agitating shaft, and stirring shaft end is located at the center for premixing case after passing through mixing tank, It re-extends to mixing tank, is mounted on stirring blade on the agitating shaft in premix case and mixing tank.

Preferably, the driving device includes driving motor and drive shaft, and the driving motor is fixedly mounted on mixing tank Bottom, and two output shaft is respectively connected with drive shaft, driving shaft end is equipped with driving wheel, and driving wheel is connected with driven wheel, Driven wheel is mounted in shaft.

Compared with prior art, the utility model has the beneficial effects that

(1) by the way that premix case is arranged in mixing tank inner top surface, tentatively acid solution and thickening agent can be mixed, mentioned High stirring efficiency；

(2) by setting discharging channel and material control device, the discharge of viscous acid in control premix case can be facilitated, improve work Make efficiency；

(3) by being respectively provided with stirring blade on the agitating shaft being located in premix case and mixing tank, realize that a motor is same When two intracorporal liquid of case are mixed, save the cost, improve mixing efficiency；

It (4), can be further to the acid solution and thickening agent progress in mixing tank by setting driving device, shaft and flabellum The mixing of horizontal direction improves mixing efficiency；

(5) by setting feed back pipe and pump, premix case can will be drained into again without well-mixed acid solution and thickening agent It inside carries out being again stirring for mixing, improves mixed effect；

(6) by the way that guide plate, loading plate, the first electromagnet and the first permanent magnet are arranged in material storing box, tune can be controlled Thick dose of discharge amount improves mixing efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the enlarged drawing in Fig. 1 at A；

Fig. 3 is the structural schematic diagram of the utility model thickening agent charging device.

Marked in the figure: 1- mixing tank, 2- pedestal, 3- support rod, 4- acid solution charging device, 41- liquor box, 42- water conservancy diversion Plate, 43- liquid injection port, 5- thickening agent charging device, 51- material storing box, 52- guide plate, 53- loading plate, 54- fixed link, 55- first Electromagnet, 56- feeding port, 57- block, 58- support plate, the first permanent magnet of 59-, 510- floating rule, 6- premix case, 7- discharge are logical Road, 8- material control device, 81- partition, the second electromagnet of 82-, the second permanent magnet of 83-, 84- support spring, 9- agitating device, 91- Stirring motor, 92- agitating shaft, 93- stirring blade, 10- shaft, 11- flabellum, 12- driving device, 121- driving motor, 122- Drive shaft, 123- driving wheel, 124- driven wheel, 125- transmission chain, 13- drainage conduit, 14- feed back pipe, 15- pump, 16- fixing sleeve.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe:

As shown in Figure 1, Figure 2 and Figure 3, grease well acidizing thick sour mixing arrangement, including premixing are present embodiments provided Case 1, pedestal 2, support rod 3, acid solution charging device 4, thickening agent charging device 5, premix case 6, discharging channel 7, material control device 8, agitating device 9, shaft 10, flabellum 11, driving device 12, drainage conduit 13, feed back pipe 14, pump 15 and fixing sleeve 16.

1 bottom of mixing tank is equipped with drainage conduit 13, is equipped with control valve in drainage conduit 13, can control drainage conduit 13 The amount of material is discharged；Several support rods 3 are installed, several support rods 3 are evenly distributed on mixing tank 1 between mixing tank 1 and pedestal 2 Bottom can make mixing tank 1 is stable to be mounted on pedestal 2.

The 1 top two sides of mixing tank are separately installed with acid solution charging device 4 and thickening agent charging device 5, the acid Solution charging device 4 includes liquor box 41 and several piece deflector 42, is provided with liquid injection port 43 on the liquor box 41, in liquid injection port 43 Sealing cover detachably is installed, can prevent impurity from entering in liquor box 41, deflector 42 is horizontal described in several piece and left and right is straggly It is arranged in liquor box 41, acid solution can be made successively to flow on deflector 42, increases acid solution and stopped in liquor box 41 Time, precipitate the larger impurity that carries in acid solution.

The thickening agent charging device 5 includes material storing box 51, guide plate 52, loading plate 53, fixed link 54 and the first electromagnetism Iron 55 is provided with feeding port 56 at the top of the material storing box 51, is detachably equipped with sealing cover on feeding port 56, can be avoided impurity into Enter in material storing box 51；It is tilted down on the inner wall of the material storing box 51 of 56 lower section of feeding port and guide plate 52, guide plate is installed 52 and the angle of 51 inner wall of material storing box are 30 °, and its upper surface is equipped with fixed frame, rotatably mounted on fixed frame to have floating rule 510, thickening agent can be evenly arranged on guide plate 52 by floating rule 510, uniformly be transported convenient for thickening agent, 52 end of guide plate peace Equipped with block 57；Material storing box 51 is equipped with support plate 58 on the inner wall far from 52 side of guide plate, be equipped at the top of support plate 58 First electromagnet 55, the first electromagnet 55 are electrically connected with the power supply；51 inner top surface of material storing box is equipped with fixed link 54, fixed link 54 On be hinged with loading plate 53,53 one end of loading plate is contacted with 57 bottom of block, the other end be equipped with and the first electromagnet 55 cooperate The first permanent magnet 59.When the first electromagnet 55 and 59 magnetic pole of the first permanent magnet are heteropolar, the first electromagnet 55 and first is used Magnet 59 attracts each other, and loading plate 53 is rotated centered on hinged place in fixed link 54, and loading plate 53 is far from the first permanent magnet 59 one end is contacted with block 57, and thickening agent is stopped to fall.When the first electromagnet 55 and 59 magnetic pole of the first permanent magnet are homopolarity, First electromagnet 55 is mutually exclusive with magnet 59 with first, and loading plate 53 is rotated centered on hinged place in fixed link 54, is held Support plate 53 is separated far from one end of the first permanent magnet 59 with block 57, and the thickening agent on loading plate 53 is fallen.It is coagulated the soup by setting Agent charging device 5 can provide storage space for thickening agent, and when use need to only control the magnetic pole of the first electromagnet 55, facilitate control Labour is saved in the dispensing of thickening agent.

Premix case 6 is installed, premix 6 top of case passes through pipeline and 41 bottom of liquor box respectively in the middle part of 1 inner top surface of mixing tank And the connection of 51 bottom of material storing box, facilitate acid solution and thickening agent to enter in premix case 6；Premix 6 lower part two sides of case tilt installation There is discharging channel 7, discharging channel 7 and the angle of 1 inner wall of mixing tank are 30 °, and its end is fixedly mounted on by fixing sleeve 16 On 1 inner wall of mixing tank；The material tentatively mixed in premix case 6 can be drained into mixing tank 1 by discharging channel 7, be led to Cross setting premix case 6 acid solution and thickening agent can be carried out it is preliminary be stirred, improve mixing efficiency.Case 6 is premixed by acidproof Glass material is made, and 1 side wall of mixing tank is provided with observation window, and observation window is concordant with premix case 6, facilitates mixing in observation premix case 6 The stirring condition of object.

Material control device 8 is installed in premix case 4, the material control device 8 include partition 81, the second electromagnet 82, second forever Magnet 83 and several support springs 84, the partition 81 are movably arranged in premix case 6, and 81 bottom of partition is equipped with the second permanent magnetism Iron 83, premix 6 inner bottom surface of case are equipped with the second electromagnet 82 with the cooperation of the second permanent magnet 83, the second electromagnet 82 and power supply electricity Property connection；Several support springs 84 are installed between partition 81 and premix 6 inner bottom surface of case, are used to support partition 81.When the second electricity When magnet 82 and the second permanent magnet 83 are homopolarity, partition 81 and premix 6 inner bottom surface of case are separate, and partition 81 is located on discharging channel 7 Side premixes the mixture in case 6 and is located at 81 top of partition.When the second electromagnet 82 and the second permanent magnet 83 are heteropolar, partition 81 is mutually close with premix 6 inner bottom surface of case, and partition 81 is located at 7 lower section of discharging channel, and the mixture premixed in case 6 passes through discharging channel 7 drain into mixing tank 1, by the cooperation of the second permanent magnet 83 and the second electromagnet 82, can facilitate mixing in control premix case 6 Labour is saved in the discharge of object.

Agitating device 9 is installed, the agitating device 9 includes stirring motor 91, agitating shaft 92 and stirs in the mixing tank 1 Blade 93 is mixed, the stirring motor 91 is mounted on 1 top of mixing tank of 6 top of premix case, and stirring motor 91 is preferably alternating current It machine and is electrically connected with the power supply, the output shaft of stirring motor 91 has agitating shaft 92 by flanged joint, and 92 end of agitating shaft passes through It is located at premix 6 center of case after mixing tank 1, re-extends to mixing tank 1, on the agitating shaft 92 in premix case 6 and mixing tank 1 It is mounted on stirring blade 93；It can drive stirring blade 93 simultaneously to premix case 6 and mixing tank 1 by a stirring motor 91 Interior mixture is stirred, save the cost, improves mixing efficiency.Stirring blade 93 in premix case 6 is located on material control device 8 Side can tentatively be stirred the acid solution and thickening agent premixed in case 6, improve the mixing efficiency of acid solution and thickening agent； Stirring blade 93 in mixing tank 1, can further in mixing tank 1 acid solution and thickening agent be stirred mixing, mention High mixed effect.

Horizontal shaft 10, shaft 10 are rotatably equipped in the middle part of 1 inner wall of mixing tank of 9 two sides of agitating device On flabellum 11 is installed, 10 end of shaft passes through 1 side wall of mixing tank, and to extend to mixing tank 1 outer and be connected with driven wheel 124, driven Wheel 124 is connected with driving device 12, and driving device 12 includes driving motor 121 and drive shaft 122, and the driving motor 121 is solid Dingan County is mounted in 1 bottom of mixing tank, and driving motor 121 is preferably dual-axle motor, and is electrically connected with the power supply, driving motor 121 Two output shafts, which pass through flanged joint, a drive shaft 122, and 122 end of drive shaft is equipped with driving wheel 123, driving wheel 123 with Transmission chain 125 is installed between driven wheel 124；Drive shaft 122 is driven to rotate by driving motor 121, to drive driving wheel 123 rotations, driving wheel 123 drive driven wheel 124 to rotate by transmission chain 125, and driven wheel 124 drives shaft 10 to rotate, thus It rotates flabellum 11 in mixing tank 1, realizes the mixing to material, improve mixing efficiency.

1 lower part of mixing tank is equipped with feed back pipe 14, and pump 15 is equipped on feed back pipe 14, and 14 end of feed back pipe passes through mixing tank It is connected to after 1 with premix 6 top of case.The mixture after stirring in mixing tank 1 is discharged by drainage conduit 13 first, is carried out after discharge Detection, if be not sufficiently mixed, open pump 15 by the mixture in mixing tank 1 again drain into premix case 6 in carry out again It is stirred, improves mixed effect.

Since the present apparatus is used for the stirring of acidic corrosion solution, therefore present apparatus component is all made of acidproof resistant material system At acid liquid corrosion can be prevented.

Working principle of the utility model is: adding acid solution into liquor box 41 by liquid injection port 43, acid solution passes through water pipe stream To premix case 6, thickening agent is added into material storing box 51 by feeding port 56, thickening agent flow to loading plate 53 by guide plate 52 On, the first electromagnet 55 is powered, and 55 magnetic pole of the first electromagnet is identical as the first permanent magnet 59, and loading plate 53 is separated with block 57, Thickening agent is fallen to be flow in premix case 6 eventually by water pipe；Stirring motor 91 is opened, stirring motor 91 drives 93 turns of stirring blade It is dynamic, the material in premix case 6 is stirred, the second electromagnet 82 is powered after stirring, makes 82 magnetic pole of the second electromagnet and the On the contrary, partition 81 moves downward, the material premixed in case 6 is drained into mixing tank 1 two permanent magnets 83 by discharging channel 7, is stirred Motor 91 is further driven to the rotation of stirring blade 93, is again stirring for material；Driving motor 121, driving electricity are opened simultaneously Machine 121 drives drive shaft 122 to rotate, so that driving wheel 123 be driven to rotate, is further driven to shaft 10 and flabellum 11 rotates, into One step is stirred the material in mixing tank 1.

When detecting whether that stirring stirring is abundant: spiece is discharged by discharge gate 13 first and is detected, if not Mixing sufficiently, then opens pump 15, and the material in mixing tank 1 is drained into premix case 6 by feed back pipe 14, re-starts stirring.

Claims (8)

1. a kind of grease well acidizing thick sour mixing arrangement, including mixing tank (1) and pedestal (2), mixing tank (1) the bottom peace Equipped with drainage conduit (13), several support rods (3) are installed, it is characterised in that: the mixing between mixing tank (1) and pedestal (2) Acid solution charging device (4) and thickening agent charging device (5) are installed at the top of case (1), mixing tank (1) inner top surface is equipped with premix Case (6), premix case (6) top pass through pipeline respectively and are connected to acid solution charging device (4) and thickening agent charging device (5), Premix case (6) lower tilt is equipped with discharging channel (7), is equipped with material control device (8) in premix case (6), the mixing tank (1) Agitating device (9) are inside installed, mixing tank (1) inner wall for being located at agitating device (9) two sides is rotatably equipped with horizontal shaft (10), it is equipped with flabellum (11) in shaft (10), shaft (10) passes through mixing tank (1) side wall and extends to mixing tank (1) outside, and even It is connected to driving device (12), mixing tank (1) lower part is equipped with feed back pipe (14), and pump (15), feed back are equipped on feed back pipe (14) Pipe (14) end passes through mixing tank (1) and is connected to afterwards with premix case (6) top.

2. the thick sour mixing arrangement of grease well acidizing according to claim 1, it is characterised in that: in the mixing tank (1) Wall is equipped with the fixing sleeve (16) for fixing discharging channel (7).

3. the thick sour mixing arrangement of grease well acidizing according to claim 1, it is characterised in that: the acid solution feeds intake dress Setting (4) includes liquor box (41) and several piece deflector (42), is provided with liquid injection port (43) on the liquor box (41), leads described in several piece Flowing plate (42) is horizontal and left and right is arranged at random in liquor box (41).

4. the thick sour mixing arrangement of grease well acidizing according to claim 1, it is characterised in that: the thickening agent feeds intake dress Setting (5) includes material storing box (51), guide plate (52), loading plate (53), fixed link (54) and the first electromagnet (55), the storing Feeding port (56) are provided at the top of case (51), is located in the material storing box (51) below feeding port (56) and inclined guide plate is installed (52), guide plate (52) end is equipped with block (57), is equipped on the inner wall of separate guide plate (52) side of material storing box (51) Support plate (58) is equipped with the first electromagnet (55) in support plate (58), and material storing box (51) inner top surface is equipped with fixed link (54), Be hinged in fixed link (54) loading plate (53), loading plate (53) one end is contacted with block (57) bottom, the other end be equipped with The first permanent magnet (59) of first electromagnet (55) cooperation.

5. the thick sour mixing arrangement of grease well acidizing according to claim 4, it is characterised in that: the guide plate (52) with Angle between material storing box (51) inner wall is 30 °, and its upper surface is rotatably mounted floating rule (510).

6. the thick sour mixing arrangement of grease well acidizing according to claim 1, it is characterised in that: the material control device (8) Including partition (81), the second electromagnet (82), the second permanent magnet (83) and several support springs (84), partition (81) activity It is mounted in premix case (6), partition (81) bottom is equipped with the second permanent magnet (83), and premix case (6) inner bottom surface is equipped with and the The second electromagnet (82) of two permanent magnets (83) cooperation is equipped with several supports between partition (81) and premix case (6) inner bottom surface Spring (84).

7. the thick sour mixing arrangement of grease well acidizing according to claim 1, it is characterised in that: the agitating device (9) Including stirring motor (91), agitating shaft (92) and stirring blade (93), the stirring motor (91) is mounted on mixing tank (1) top Portion, the output shaft of stirring motor (91) are connected with agitating shaft (92), and agitating shaft (92) end passes through mixing tank (1) and is located at premix afterwards The center of case (6) is re-extended to mixing tank (1), is pacified on the agitating shaft (92) being located in premix case (6) and mixing tank (1) Equipped with stirring blade (93).

8. the thick sour mixing arrangement of grease well acidizing according to claim 1, it is characterised in that: the driving device (12) Including driving motor (121) and drive shaft (122), the driving motor (121) is mounted on mixing tank (1) bottom, and two Output shaft is respectively connected with drive shaft (122), and drive shaft (122) end is mounted on driving wheel (123), driving wheel (123) connection Have driven wheel (124), driven wheel (124) is mounted on shaft (10).