CN115624907A

CN115624907A - Mixing equipment for production and processing of composite corrosion and scale inhibitor

Info

Publication number: CN115624907A
Application number: CN202211645073.7A
Authority: CN
Inventors: 周建峰; 顾永新
Original assignee: Changzhou Jianghu Chemical Co ltd
Current assignee: Changzhou Jianghu Chemical Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-01-20
Anticipated expiration: 2042-12-21
Also published as: CN115624907B

Abstract

The utility model relates to a mixing apparatus is used in production and processing of compound inhibition antisludging agent belongs to antisludging agent production and processing field, and it includes the barrel, the coaxial (mixing) shaft that is provided with on the barrel, still be connected with powder pipe on the barrel, powder pipe is used for adding the powder to the barrel, the one end of powder pipe is inserted in the barrel and is located below the liquid level, the other end of powder pipe is connected and is communicated with and has former feed bin, be provided with the power supply on powder pipe or the former feed bin, the power supply is used for providing the removal power for the intraductal powder of powder. This application is through the form of directly adding the powder material in the liquid raw materials, improves the mixing efficiency of material in the initial stage of mixing.

Description

Mixing equipment for production and processing of composite corrosion and scale inhibitor

Technical Field

The application relates to the field of scale inhibitor production and processing, in particular to a mixing device for producing and processing a composite corrosion and scale inhibitor.

Background

The composite corrosion and scale inhibitor has the scale inhibiting effect that the composite corrosion and scale inhibitor can prevent the growth of small crystal grains of carbonate and distort crystal lattices, so that the carbonate in the circulating cooling water can not form hard scale on the surface of a heat exchanger, and meanwhile, the composite corrosion and scale inhibitor can be combined with calcium ions in the circulating cooling water to play a role in preventing metal corrosion by the characteristic that organic phosphate and other components in the structure of the composite corrosion and scale inhibitor form a protective film with metals.

In the correlation technique, the equipment for producing and manufacturing the corrosion and scale inhibitor is a reaction kettle, the reaction kettle comprises a barrel body and a stirring shaft, the top of the barrel body is provided with a feed inlet and is connected with a feed pipe, the feed pipe is used for adding liquid raw materials into the barrel body, and the feed inlet is used for allowing powder raw materials to pass through.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: when raw materials are added, if liquid is added first and then powder is added, the powder material can float on the liquid surface for a long time, and the mixing efficiency in the early stage of stirring is low; if the powder is added first and then the liquid is added, the powder is easy to aggregate into lumps and is attached to the inner wall of the bottom of the cylinder, and the mixing efficiency in the early stage of stirring is also low.

Disclosure of Invention

In order to improve the problems, the application provides a mixing device for producing and processing the composite corrosion and scale inhibitor.

The application provides a composite corrosion and scale inhibitor mixing equipment for production and processing adopts the following technical scheme:

the mixing device comprises a barrel, wherein a stirring shaft is coaxially arranged on the barrel, a powder pipe is further connected to the barrel and used for adding powder into the barrel, one end of the powder pipe is inserted into the barrel and located below the liquid level, the other end of the powder pipe is connected and communicated with a raw material bin, a power source is arranged on the powder pipe or the raw material bin, and the power source is used for providing moving power for the powder in the powder pipe.

Through adopting above-mentioned technical scheme, when adding the raw materials in to the barrel, add the liquid material earlier, then directly send into the powder raw materials through the powder pipe inside liquid, improve the abundant contact degree of liquid material and powder material at the initial stage of mixing to improve the raw materials and mix the initial stage's fusion efficiency.

Preferably, the power source is an air pump, a sand control valve is arranged between the raw material bin and the powder pipe, and the air pump is communicated with the sand control valve.

By adopting the technical scheme, the power source uses air pressure as the conveying power of the powder, the air flow carrying the powder raw material enters the cylinder body through the powder pipe, and when the air flow enters the liquid, a certain stirring effect can be generated on the mixture.

Preferably, a check assembly is arranged on the part of the powder pipe extending into the barrel body, the check assembly comprises a check spring and a check ball, one end of the check spring is fixedly connected with the inner wall of the powder pipe, the other end of the check spring is fixedly connected with the check ball, and the check ball is positioned on one side, away from the raw material bin, of the check spring.

Preferably, the inner wall of the pipe orifice of the powder pipe is provided with a flaring slope, the inner diameter of the powder pipe at the flaring slope is gradually increased along the moving direction of the powder, and the check ball is abutted against the slope surface of the flaring slope.

Through adopting above-mentioned technical scheme, the probability that the contrary subassembly reduces the interior mixture of barrel along the powder pipe refluence, and simultaneously, and the existence of contrary ball plays certain dispersion to the powder, makes the powder that gets into in the liquid disperse more, is difficult for the caking.

Preferably, the lateral wall of the powder pipe is provided with a drainage port, the drainage port is located at the flaring slope, and when the check ball is abutted against the flaring slope, the drainage port is located on one side, deviating from the check spring, of the check ball.

By adopting the technical scheme, liquid materials in the barrel can enter the powder pipe through the drainage port to flush the non-return component, so that the residual adhesion of the powder on the non-return component is reduced.

Preferably, the powder pipe is divided into a main section, a transition section and an adjusting section which are sequentially communicated, the main section is fixedly connected with the barrel, the transition section is a hose, the adjusting section is hinged to the inner wall of the barrel, the rotating plane of the adjusting section is a vertical plane, and a control mechanism for controlling the adjusting section to rotate is arranged in the barrel.

Preferably, the control mechanism comprises a lifting rod, a first pull rod, a second pull rod and a transmission rod, one end of the first pull rod is hinged to the inner wall of the cylinder, the other end of the first pull rod is hinged to the second pull rod, one end, far away from the first pull rod, of the second pull rod is hinged to the transmission rod, the transmission rod is connected with the cylinder in a sliding mode, one end, far away from the first pull rod, of the lifting rod is hinged to the adjusting section, the sliding direction of the transmission rod is in the radial direction of the cylinder, and the axes of hinged shafts on the lifting rod, the first pull rod, the second pull rod and the transmission rod are all in the horizontal direction and are perpendicular to the moving direction of the transmission rod; the top of the barrel is coaxially and fixedly connected and communicated with a matching sleeve, the matching sleeve is coaxially sleeved outside the stirring shaft, a driving mechanism used for controlling the rotation and axial movement of the stirring shaft is arranged on the barrel, a transmission wedge ring is fixedly connected to the side wall of the stirring shaft, a transmission wedge surface is arranged at one end, away from the second pull rod, of the transmission rod, and the transmission wedge surface is abutted to the transmission wedge ring.

By adopting the technical scheme, in the feeding process, the driving mechanism controls the stirring shaft to ascend, the transmission wedge ring is abutted against the transmission wedge surface to enable the transmission rod to transversely move, so that the first pull rod and the second pull rod are bent at relative angles, the hinge point of the first pull rod and the second pull rod ascends, and the lifting rod is simultaneously lifted by the first pull rod; the lifting rod is lifted, upward pulling force is applied to the adjusting section, the adjusting section swings from the upward pulling force, one end of the adjusting section, which is far away from the transition section, moves close to the middle of the cylinder, at the moment, the probability of direct contact between powder sprayed from the adjusting section and the inner wall of the cylinder is reduced, and the probability of the powder attached to the inner wall of the cylinder is correspondingly reduced.

Preferably, be equipped with the reset torsion spring on the articulated shaft between first pull rod and the barrel inner wall, the articulated shaft between first pull rod and the second pull rod is located one side of first pull rod and second pull rod towards the regulation section, the one end fixedly connected with spacing arch of first pull rod towards the second pull rod.

By adopting the technical scheme, after the powder is added, the driving mechanism controls the stirring shaft to descend and reset, and the reset torsion spring enables the first pull rod, the lifting rod and the adjusting section to reset by applying torsion.

Preferably, actuating mechanism includes transmission case, driving motor and actuating cylinder, actuating cylinder fixed connection is on the barrel, transmission case fixed connection is on actuating cylinder's piston rod, actuating cylinder's the length direction of piston rod is parallel with the axis of (mixing) shaft, driving motor fixed connection is on the transmission case, the (mixing) shaft rotates with the transmission case to be connected, driving motor is used for controlling the rotation of (mixing) shaft.

By adopting the technical scheme, the piston rod of the driving oil cylinder extends and retracts to control the driving box to ascend or descend so as to assist the control mechanism to realize the functions.

In summary, the present application includes at least one of the following beneficial technical effects:

1. one end of the powder pipe directly extends into the position below the liquid level, when the raw material is added into the barrel, the liquid material is added firstly, then the powder raw material is directly sent into the liquid through the powder pipe, and the existence of the check ball plays a certain role in dispersing the powder, so that the powder entering the liquid is more dispersed and is not easy to agglomerate, and the airflow entering the liquid together with the powder can play a role in stirring the gas of the raw material mixture, thereby improving the mixing and stirring efficiency of the mixture;

2. through the setting of adjusting section and actuating mechanism, the axial displacement accessible transfer line, second pull rod, first pull rod and the shadoof of (mixing) shaft make the adjusting section swing to make the terminal mouth of pipe of powder pipe be close to the barrel middle part, keep away from the inner wall of barrel, reduce the powder that gets into in the liquid and attach to the possibility on the barrel inner wall from this.

Drawings

FIG. 1 is a schematic overall structure diagram of a mixing device for producing and processing a composite corrosion and scale inhibitor in the embodiment of the application.

Fig. 2 is a schematic structural diagram of a powder pipe and a control mechanism for embodying stirring and mixing in the embodiment of the application.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

FIG. 4 is a schematic structural diagram of a powder tube and a control mechanism for embodying powder addition in the embodiment of the present application.

FIG. 5 is a schematic diagram of a backstop assembly for embodying the power source in the embodiment of the present application when not activated.

Fig. 6 is a schematic structural diagram of a backstop assembly for embodying the power source activated state in the embodiment of the present application.

Description of the reference numerals: 1. a cylinder body; 11. fitting the sleeve; 12. a stirring shaft; 121. a drive wedge ring; 2. a charging system; 21. a liquid pipe; 22. a powder pipe; 221. a main section; 222. a transition section; 223. an adjustment section; 224. flaring slope; 225. a drainage port; 23. a sand control valve; 24. a raw material bin; 25. a power source; 26. a backstop assembly; 261. a non-return spring; 262. a non-return ball; 3. a control mechanism; 31. lifting a rod; 32. a first pull rod; 321. a limiting bulge; 33. a second pull rod; 34. a transmission rod; 341. a transmission wedge surface; 4. a drive mechanism; 41. a transmission case; 42. a drive motor; 43. and driving the oil cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses mixing apparatus is used in production and processing of compound inhibition antisludging agent, as shown in fig. 1, including barrel 1, (mixing) shaft 12, actuating mechanism 4 and charging system 2, charging system 2 is used for adding liquid and powder raw materials in to barrel 1, and (mixing) shaft 12 is used for stirring the mixture of solid-liquid mixture in barrel 1, and actuating mechanism 4 is used for controlling opening of (mixing) shaft 12 and stops.

As shown in fig. 1, the cylinder 1 is approximately cylindrical, the top of the cylinder is coaxially and fixedly connected with a matching sleeve 11, the matching sleeve 11 is coaxially sleeved outside the stirring shaft 12, and the part of the stirring shaft 12 extending into the cylinder 1 is fixedly connected with a stirring blade. The driving mechanism 4 comprises a transmission case 41, a driving motor 42 and a driving oil cylinder 43, wherein the cylinder body of the driving oil cylinder 43 is fixedly connected to the cylinder body 1, the extension direction of the piston rod of the driving oil cylinder 43 is parallel to the axis of the stirring shaft 12, the transmission case 41 is fixedly arranged at the end part of the piston rod of the driving oil cylinder 43, the driving motor 42 is fixedly arranged on the transmission case 41, and the stirring shaft 12 is rotatably connected to the transmission case 41; a reduction gear mechanism is provided in the transmission case 41, and transmits torque generated by the drive motor 42 to the agitation shaft 12 to rotate the agitation shaft 12. The piston rod of the driving oil cylinder 43 can control the transmission case 41 and the stirring shaft 12 to move up and down in a telescopic way.

As shown in fig. 1, the feeding system 2 includes a liquid pipe 21 and a powder pipe 22, one end of the liquid pipe 21 is fixed and communicated with the top of the cylinder 1, and the liquid material can enter the cylinder 1 through the liquid pipe 21. One end of the powder pipe 22 enters the cylinder 1 from the side wall of the cylinder 1, and the other end is fixed and communicated with a raw material bin 24 for storing powder raw materials. The junction of former feed bin 24 and powder pipe 22 is provided with power supply 25 and transfers sand valve 23, and power supply 25 is used for providing power for the powder in the powder storehouse and makes it remove to barrel 1 along powder pipe 22, and power supply 25 is the nitrogen gas air pump in this embodiment, and the air pump communicates with transferring sand valve 23, and its theory of operation is the same with the sandblast principle of forced dry sand blasting equipment. In this embodiment, there are three powder tubes 22, the three powder tubes 22 are arranged in an annular array with the axis of the cylinder 1 as the center, and a single powder tube 22 corresponds to one powder raw material.

As shown in fig. 1, 2 and 3, in order to reduce the working influence of the powder pipe 22 on the stirring shaft 12, the length direction of the part of the powder pipe 22 after entering the cylinder 1 is vertical and clings to the inner wall of the cylinder 1; the powder pipe 22 comprises main section 221, changeover portion 222 and the regulation section 223 that communicate in proper order, and wherein, main section 221 and regulation section 223 are hard straight tube, and changeover portion 222 is the hose, and main section 221 and barrel 1 inner wall fixed connection, and regulation section 223 is articulated with barrel 1 inner wall, and the relative rotation plane of barrel 1 of regulation section 223 is vertical plane. Still be provided with in the barrel 1 and be used for controlling the pivoted control mechanism 3 of regulation section 223, control mechanism 3 includes shadoof 31, first pull rod 32, second pull rod 33 and transfer line 34, the one end of first pull rod 32 is articulated with the position that the barrel 1 inside wall is close to the top, the other end is articulated with the tip of second pull rod 33, the one end that first pull rod 32 was kept away from to second pull rod 33 is articulated through the hinge with transfer line 34, and the hinge is located the below of first pull rod 32 and second pull rod 33 tip, first pull rod 32 is towards the one end of second pull rod 33 and is located hinge top fixedly connected with spacing arch 321, promptly first pull rod 32 and second pull rod 33 can not turn over the form that is the unanimous of the two length direction of turning over. The transmission rod 34 is slidably connected with the cylinder 1, one end of the lifting rod 31 far away from the first pull rod 32 is hinged with the adjusting section 223, and the hinge point of the lifting rod and the adjusting section 223 is lower than the hinge point of the adjusting section 223 relative to the cylinder 1. The sliding direction of the transmission rod 34 is the radial direction of the cylinder 1, and the axes of the hinged shafts on the lifting rod 31, the first pull rod 32, the second pull rod 33 and the transmission rod 34 are all horizontal and vertical to the moving direction of the transmission rod 34. The side wall of the part of the stirring shaft 12 extending into the barrel 1 is coaxially and integrally formed with a transmission wedge ring 121, one end of the transmission rod 34 far away from the second pull rod 33 is formed with a transmission wedge surface 341 inclined downwards, and the outer ring side of the transmission wedge ring 121 is wedge-shaped and the wedge surface is inclined upwards.

As shown in fig. 2 and 4, in the charging process, the driving mechanism 4 controls the stirring shaft 12 to ascend, the driving wedge ring 121 abuts against the driving wedge 341 to make the driving rod 34 move transversely, so that the first pull rod 32 and the second pull rod 33 bend at a relative angle, the hinge point of the two is ascended, and the lifting rod 31 is lifted by the first pull rod 32; when the lifting rod 31 rises, a pulling force in an upward direction is applied to the adjusting section 223, the adjusting section 223 swings accordingly, one end of the adjusting section 223, which is far away from the transition section 222, moves close to the middle of the cylinder 1, at the moment, the probability that powder sprayed out of the adjusting section 223 is in direct contact with the inner wall of the cylinder 1 is reduced, and the probability that the powder is attached to the inner wall of the cylinder 1 is correspondingly reduced. Meanwhile, in the charging process, the stirring shaft 12 moves in an axial direction in a reciprocating manner to enable the adjusting section 223 to swing repeatedly, so that the distribution range and the diffusion efficiency of the sprayed powder in the liquid are further improved. After the feeding is finished, the driving mechanism 4 controls the stirring shaft 12 to descend, a return torsion spring (not shown in the figure) is arranged on a hinged shaft between the first pull rod 32 and the barrel 1, and the return torsion spring always applies torsion to the first pull rod 32, so that one end of the first pull rod 32, which is close to the second pull rod 33, rotates downwards; when the limiting protrusion 321 abuts against the end of the second pull rod 33, the first pull rod 32 cannot rotate continuously, and the length direction of the adjusting section 223 is the same as that of the main section 221.

As shown in fig. 4, 5 and 6, a non-return assembly 26 is disposed at the nozzle of the adjusting section 223, and the non-return assembly 26 is used for reducing the probability that the material in the cylinder 1 reversely enters the powder tube 22. The check assembly 26 includes a check spring 261 and a check ball 262, one end of the check spring 261 is fixedly connected to the inner wall of the adjusting section 223, the other end is fixedly connected to the check ball 262, and the check ball 262 is located at one end of the check spring 261 far from the main section 221, and the operation principle thereof is similar to that of a check valve. The inner wall of the pipe orifice of one end of the adjusting section 223 far away from the main section 221 is formed with a flaring slope 224, the inner diameter of the powder pipe 22 at the flaring slope 224 is gradually increased along the moving direction of the powder, under the natural state, the check ball 262 is abutted against the slope surface of the flaring slope 224, when feeding is carried out, the air flow generated by the power source 25 carries the powder to press the check ball 262, the check spring 261 is stretched by the tensile force, a space for the air flow and the powder to pass through is formed between the check ball 262 and the inner wall of the adjusting section 223, the space is narrow, so the structure at the position has the characteristic of dispersing the material, thereby the powder entering the barrel body 1 is more delicate and is not easy to agglomerate.

As shown in fig. 4, 5 and 6, a drainage port 225 is disposed on the side wall of the adjusting section 223 and at the position of the flared slope 224, when the check ball 262 abuts against the flared slope 224, the drainage port 225 is located at a side of the check ball 262 facing away from the check spring 261, when the check ball 262 is pushed open by the airflow, the drainage port 225 is located at a side of the check ball 262 facing toward the main section 221, the liquid material in the cylinder 1 can enter the position of the check spring 261 in the adjusting section 223 through the drainage port 225, and after the liquid material is impacted, the powder material hardly remains on the check spring 261 and on the side of the check ball 262 facing toward the check spring 261. Meanwhile, after the powder is added, the sand adjusting valve 23 is closed, the air pump can be selectively enabled to work continuously, at the moment, pure nitrogen flows in the powder pipe 22, the gas is finally sprayed into the liquid from the pipe orifice of the adjusting section 223, the gas flow stirring effect is achieved on the mixture in the cylinder body 1, and meanwhile, the check ball 262 continuously vibrates in the adjusting section 223 under the combined action of the air pressure and the hydraulic pressure, so that the powder adhesion at the position is further reduced.

The implementation principle of the mixing equipment for producing and processing the composite corrosion and scale inhibitor in the embodiment of the application is as follows:

firstly, adding liquid materials into the cylinder body 1, then controlling the stirring shaft 12 to ascend by the driving mechanism 4, and keeping the pipe orifice of the adjusting section 223 away from the inner wall of the cylinder body 1 under the action of the control mechanism 3; the sand adjusting valve 23 and the air pump are started, the nitrogen airflow continuously conveys the powder in the raw material bin 24 into the barrel 1, and finally the feeding process is finished. After the feeding is received, the driving mechanism 4 controls the transmission case 41 to descend, and the stirring shaft 12 and the adjusting section 223 are reset, so that the mixing and stirring of the materials can be started.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hybrid plant is used in production and processing of compound inhibition antisludging agent, includes barrel (1), coaxial (mixing) shaft (12) that are provided with on barrel (1), its characterized in that: the powder feeding device is characterized in that a powder pipe (22) is further connected to the barrel body (1), the powder pipe (22) is used for adding powder into the barrel body (1), one end of the powder pipe (22) is inserted into the barrel body (1) and located below the liquid level, the other end of the powder pipe (22) is connected and communicated with a raw material bin (24), a power source (25) is arranged on the powder pipe (22) or the raw material bin (24), and the power source (25) is used for providing moving power for the powder in the powder pipe (22).

2. The mixing equipment for producing and processing the composite corrosion and scale inhibitor according to claim 1, which is characterized in that: the power source (25) is an air pump, a sand adjusting valve (23) is arranged between the raw material bin (24) and the powder pipe (22), and the air pump is communicated with the sand adjusting valve (23).

3. The mixing device for producing and processing the composite corrosion and scale inhibitor according to claim 1, which is characterized in that: the powder pipe (22) is provided with a check assembly (26) at the part extending into the cylinder body (1), the check assembly (26) comprises a check spring (261) and a check ball (262), one end of the check spring (261) is fixedly connected with the inner wall of the powder pipe (22), the other end of the check spring (261) is fixedly connected with the check ball (262), and the check ball (262) is positioned on one side of the check spring (261) far away from the raw material bin (24).

4. The mixing equipment for producing and processing the composite corrosion and scale inhibitor according to claim 3, wherein the mixing equipment comprises: the inner wall of the pipe orifice of the powder pipe (22) is provided with a flaring slope (224), the inner diameter of the powder pipe (22) at the flaring slope (224) is gradually increased along the powder moving direction, and the check ball (262) is abutted against the slope surface of the flaring slope (224).

5. The mixing equipment for producing and processing the composite corrosion and scale inhibitor according to claim 4, wherein the mixing equipment comprises: and a drainage port (225) is formed in the side wall of the powder pipe (22), the drainage port (225) is located at the flaring slope (224), and when the check ball (262) is abutted against the flaring slope (224), the drainage port (225) is located on one side of the check ball (262) departing from the check spring (261).

6. The mixing device for producing and processing the composite corrosion and scale inhibitor according to claim 1, which is characterized in that: powder material pipe (22) divide into main section (221), changeover portion (222) and the regulation section (223) that communicate in proper order, main section (221) and barrel (1) fixed connection, changeover portion (222) are the hose, it is articulated with barrel (1) inner wall to adjust section (223), the rotation plane of adjusting section (223) is vertical plane, be provided with in barrel (1) and be used for controlling and adjust section (223) pivoted control mechanism (3).

7. The mixing device for producing and processing the composite corrosion and scale inhibitor according to claim 6, characterized in that: the control mechanism (3) comprises a lifting rod (31), a first pull rod (32), a second pull rod (33) and a transmission rod (34), one end of the first pull rod (32) is hinged to the inner wall of the barrel body (1), the other end of the first pull rod (32) is hinged to the second pull rod (33), one end, far away from the first pull rod (32), of the second pull rod (33) is hinged to the transmission rod (34), the transmission rod (34) is connected with the barrel body (1) in a sliding mode, one end, far away from the first pull rod (32), of the lifting rod (31) is hinged to an adjusting section (223), the sliding direction of the transmission rod (34) is the radial direction of the barrel body (1), and the axes of hinged shafts on the lifting rod (31), the first pull rod (32), the second pull rod (33) and the transmission rod (34) are horizontal directions and are perpendicular to the moving direction of the transmission rod (34);

barrel (1) top coaxial fixed connection and intercommunication have cooperation sleeve (11), cooperation sleeve (11) coaxial cover is located outside (mixing) shaft (12), be provided with on barrel (1) and be used for controlling (mixing) shaft (12) and rotate and follow axial displacement's actuating mechanism (4), fixedly connected with transmission wedge ring (121) on the lateral wall of (mixing) shaft (12), the one end that second pull rod (33) were kept away from in transfer line (34) is equipped with transmission wedge surface (341), transmission wedge surface (341) and transmission wedge ring (121) butt.

8. The mixing device for producing and processing the composite corrosion and scale inhibitor according to claim 7 is characterized in that: be equipped with reset torsion spring on the articulated shaft between first pull rod (32) and barrel (1) inner wall, the articulated shaft between first pull rod (32) and second pull rod (33) is located one side of first pull rod (32) and second pull rod (33) orientation regulation section (223), first pull rod (32) are towards spacing arch (321) of one end fixedly connected with of second pull rod (33).

9. The mixing device for producing and processing the composite corrosion and scale inhibitor according to claim 7 is characterized in that: actuating mechanism (4) include transmission case (41), driving motor (42) and actuating cylinder (43), actuating cylinder (43) fixed connection is on barrel (1), transmission case (41) fixed connection is on the piston rod of actuating cylinder (43), the length direction of the piston rod of actuating cylinder (43) is parallel with the axis of (mixing) shaft (12), driving motor (42) fixed connection is on transmission case (41), (mixing) shaft (12) rotate with transmission case (41) and are connected, driving motor (42) are used for controlling the rotation of (mixing) shaft (12).