CN218546689U

CN218546689U - Scale inhibition evaluation device

Info

Publication number: CN218546689U
Application number: CN202222634462.1U
Authority: CN
Inventors: 王霞; 张保山; 张雄军; 谢宇; 罗丹言
Original assignee: Changsha Zoomlion Environmental Industry Co Ltd
Current assignee: Changsha Zoomlion Environmental Industry Co Ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-28
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a hinder dirty evaluation device, include: a water bath kettle; the circulating water tank is arranged in the water bath; one end of the reaction pipe is selectively communicated with the circulating water tank through an input pipeline, and the other end of the reaction pipe is communicated with the circulating water tank through an output pipeline; the test piece, the test piece install in the reaction tube, the test piece is worn to be equipped with fixed rope, just fixed rope with the reaction tube relatively fixed. The utility model discloses a scale inhibition evaluation device through fixed rope with test piece and reaction tube relatively fixed, improves the stability of test piece when the reaction, and through the reaction angle of fixed rope adjustable test piece in the reaction tube to increased the detection simulation of the condition such as return bend, vertical putting, application scope is wider.

Description

Scale inhibition evaluation device

Technical Field

The utility model belongs to the technical field of the evaluation technique of hindering and specifically relates to a hinder dirty evaluation device is related to.

Background

In a plurality of fields such as water treatment, thermal power generation, seawater desalination and the like, scaling phenomena such as water treatment equipment, heat exchange equipment, pipelines and the like exist, so that scale inhibitors are necessary to be added or pretreatment is increased, different water quality components have large difference, the types and the addition amounts of the scale inhibitors are different, and the actual application effect after the scale inhibitors are added also needs to be evaluated. In the correlation technique, the test piece of the scale inhibition evaluation device is independently and horizontally placed, the overlapping condition can occur under the condition of larger water flow, the conditions of bent pipes, vertical placement and the like cannot be evaluated, the result deviation is caused, and the improvement space exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an antisludging evaluation device, this antisludging evaluation device's test piece is equipped with fixed rope, can adjust the test piece angle wantonly, improves the stability of test piece, has increased the analog range that detects simultaneously.

According to the utility model discloses dirty evaluation device that hinders, include: a water bath kettle; the circulating water tank is arranged in the water bath; one end of the reaction tube is selectively communicated with the circulating water tank through an input pipeline, and the other end of the reaction tube is communicated with the circulating water tank through an output pipeline; the test piece, the test piece install in the reaction tube, the test piece is worn to be equipped with fixed rope, just fixed rope with the reaction tube relatively fixed.

According to the utility model discloses dirty evaluation device, through fixed rope with test piece and reaction tube relatively fixed, improve the stability of test piece when the reaction, and through the reaction angle of the adjustable test piece of fixed rope in the reaction tube to increased the detection simulation of the condition such as return bend, vertical putting, application scope is wider.

According to the utility model discloses the evaluation device that hinders dirt of some embodiments, the test strip is a plurality of, and is a plurality of the test strip is in distribute in the axial of reaction tube, fixed rope wears to locate in proper order a plurality of the test strip, just the tip of fixed rope with the tip relatively fixed of reaction tube.

According to the utility model discloses the evaluation device hinders dirty, every the test piece all is equipped with two at least through holes, fixed rope is at least two and wears to locate respectively in two at least through holes of test piece.

According to the utility model discloses some embodiments's anti-scaling evaluation device still includes: the double-external-thread joint comprises a double-external-thread joint and a variable-diameter joint, one end of the double-external-thread joint is in threaded connection with the end of the reaction tube, the other end of the double-external-thread joint is in threaded connection with the variable-diameter joint, a fixing rod is arranged at the other end of the double-external-thread joint, and the end of the fixing rope is fixed on the fixing rod.

According to the utility model discloses some embodiments's anti-scaling evaluation device still includes: the supporting plate is supported on the outer wall of the reaction tube and fixedly connected with the reaction tube through at least one hoop clamp.

According to the utility model discloses some embodiments hinder dirty evaluation device, be equipped with circulating pump, water intaking valve and booster pump in the input pipeline, the water intaking valve is located the circulating pump with between the booster pump.

According to the utility model discloses some embodiments's anti-scaling evaluation device still includes: and one end of the backflow branch is communicated with the input pipeline, the other end of the backflow branch is communicated with the circulating water tank, and the backflow branch is provided with a flow divider valve.

According to the utility model discloses the evaluation device that hinders dirt of some embodiments, the output pipeline still is connected with the sample branch road, the sample branch road is equipped with the sample valve.

According to the utility model discloses some embodiments's anti-scaling evaluation device still includes: and the medicine outlet of the supplementary medicine feeder is communicated with the circulating water tank.

According to the utility model discloses the evaluation device hinders dirty of some embodiments, be equipped with the manometer in the input pipeline, and/or be equipped with the flowmeter in the output pipeline.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a scale inhibition evaluation device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a test strip of the scale inhibition evaluation device according to the embodiment of the present invention;

fig. 3 is a schematic diagram of the relative positions of the fixing rod and the double male adapter of the scale inhibition evaluation device according to the embodiment of the present invention.

Reference numerals:

the scale inhibition evaluation device 100 is provided with a scale inhibition evaluation device,

the device comprises a water bath 11, a circulating water tank 12, a reaction tube 13, a test piece 14, a through hole 141, a fixing rope 15, a double-external thread connector 16, a reducer union 17, a fixing rod 18, a supporting plate 19, a hoop clamp 20, an input pipeline 21, a circulating pump 211, a water inlet valve 212, a booster pump 213, a pressure gauge 214, a backflow branch 22, a flow dividing valve 221, an output pipeline 23, a flow meter 231, a sampling branch 24, a sampling valve 241 and a replenishing medicine adding device 25.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, describing the scale inhibition evaluation device 100 according to the embodiment of the present invention, the scale inhibition evaluation device 100 relatively fixes the test strip 14 in the reaction tube 13 through the fixing rope 15, so as to increase the stability of the position of the test strip 14, improve the accuracy of the reaction result, and simultaneously adjust the reaction angle when the test strip 14 is tested in the reaction tube 13, thereby simulating the conditions of various reactions.

As shown in fig. 1-3, the scale inhibition evaluation apparatus 100 according to the embodiment of the present invention includes: a water bath 11, a circulating water tank 12, a reaction tube 13 and a test piece 14.

The circulating water tank 12 is installed in the water bath 11, and when a test is performed, a test sample to be evaluated needs to be added into the circulating water tank 12, and the water bath 11 is opened to start the test. The temperature of the water bath 11 can be controlled between 40 ℃ and 98 ℃ during the test. As shown in fig. 1, the lower end of the circulation water tank 12 is located in the water bath 11 for heating, and the upper end of the circulation water tank 12 is sealed and has 4 holes, which are respectively used for connecting the supplementary doser 25, the return branch 22, the input pipeline 21 and the output pipeline 23.

The reaction tube 13 is a transparent glass tube or an organic glass tube, and may be a circular or square or other polygonal tube, and the length may be 0.5m to 1.5m, and the structures of both ends may be the same, one end is selectively communicated with the circulation water tank 12 through the input pipeline 21, and the other end is communicated with the circulation water tank 12 through the output pipeline 23.

And, the test piece 14 is arranged in the reaction tube 13, therefore, the circulating water tank 12 and the reaction tube 13 are connected through the input pipeline 21 and the output pipeline 23 to form a circulating loop, so that the test water sample in the circulating water tank 12 can flow into the reaction tube 13 through the input pipeline 21 to react, and the test water sample in the reaction tube 13 can flow back to the circulating water tank 12 through the output pipeline 23, thus realizing continuous circulation and heating, and further continuously carrying out the reaction.

The test piece 14 is fixed relatively to the inside of the reaction tube 13 by a fixing string 15. And the test piece 14 can be stainless steel, titanium material, plastic, pipe, etc. which can be drilled with hard materials, and the fixing rope 15 can be selected from ropes with smooth and firm surfaces, including but not limited to nylon wire, steel wire, iron wire, etc. During actual installation, the fixing rope 15 can penetrate through the test piece 14, so that the position state of the test piece 14 is kept stable through the fixing rope 15, the influence of a water sample in the reaction tube 13 on the position state of the test piece 14 when the flow velocity is too large is reduced, the detection accuracy is ensured, and scale inhibition evaluation of other materials with low density or light weight can be performed. Meanwhile, the angle of the test piece 14 can be adjusted by adjusting the fixing rope 15 during testing, so that various test scenes such as curves and valves can be simulated, and the application range is wider.

According to the utility model discloses dirty evaluation device 100 can also adjust 14 angles of test piece through adjusting fixed rope 15 through the 14 scale deposit circumstances of reaction tube 13 real-time observation test piece when experimental, and then multiple reaction conditions such as simulation bend, valve, improves the accuracy nature of reaction result, and application scope is wider.

In some embodiments, the test strip 14 is a plurality of test strips 14, the plurality of test strips 14 are distributed in the axial direction of the reaction tube 13, the fixing string 15 is sequentially inserted through the plurality of test strips 14, and the end of the fixing string 15 is fixed to the end of the reaction tube 13.

As shown in fig. 1, the axial direction of the reaction tube 13, i.e., the left-right direction in fig. 1, and the plurality of test pieces 14 are sequentially distributed in the reaction tube 13 along the axial direction thereof, so that the plurality of test pieces 14 are all subjected to test reaction in the reaction tube 13, and the test efficiency is improved. Meanwhile, the plurality of test pieces 14 do not need to be provided with a single fixing rope 15, namely when the plurality of test pieces 14 are fixed in the reaction tube 13, one fixing rope 15 can be used at least, the number of the fixing ropes 15 is reduced, and the setting cost is reduced.

And, the use of the fixing string 15 to fix the end of the reaction tube 13 not only improves the stability of the position of the test piece 14 during the test, but also improves the accuracy of the result.

In some embodiments, as shown in fig. 2, each test strip 14 is provided with at least two through holes 141, and the fixing ropes 15 are at least two and respectively penetrate through the at least two through holes 141 of the test strip 14, that is, each test strip 14 can be fixed in the reaction tube 13 by the at least two fixing ropes 15, compared with the test strip 14 fixed by a single fixing rope 15, the problem that the test strip 14 rotates around the single fixing rope 15 can be avoided, and the stability of the test strip 14 is improved.

As shown in fig. 2, the test piece 14 is provided with two through holes 141, and the two through holes 141 are spaced apart and located one at an upper region of the test piece 14 and the other at a lower region of the test piece 14.

In some embodiments, further comprising: the double external thread joint 16 and the reducing joint 17, the material of the double external thread joint 16 can be copper or stainless steel and other metal materials, one end of the double external thread joint is connected with the end part of the reaction tube 13 in a threaded matching way, and the other end of the double external thread joint is connected with the reducing joint 17 in a threaded way. Therefore, during actual assembly, the double male screw joint 16 may be first screwed to the end of the reaction tube 13, and the reducer joint 17 may be further screwed to the end of the double male screw joint 16 away from the reaction tube 13.

Wherein, the other end of the double male screw joint 16 is provided with a fixing rod 18, and the end of the fixing rope 15 is fixed on the fixing rod 18. Specifically, as shown in fig. 3, two symmetrical grooves may be formed at the other end of the double male connector 16 for clamping both ends of the fixing rod 18, so that the fixing rod 18 is connected to the end of the double male connector 16, the fixing rod 18 is made of stainless steel, and the fixing rod 18 is used for fixing the fixing rope 15.

Thereby, the fixing string 15 and the reaction tube 13 can be effectively fixed relatively, and the fixing effect of the fixing string 15 on the test piece 14 can be ensured. Wherein, two external screwed joint 16 and reaction tube 13 threaded connection, the two can adjust screw-thread fit's stroke and dead lever 18 in the radial ascending angle of reaction tube 13 in a flexible way to can realize the regulation to the angle of test piece 14 at the in-process of the angle of adjustment dead lever 18, make test piece 14 can be applicable to in the simulation scene of difference.

Wherein the reducer union 17 may be adapted to be connected to an input line 21 and an output line 23, as shown in fig. 1, the reducer union 17 at the left end of the reaction tube 13 is adapted to be connected to the output line 23, and the reducer union 17 at the right end of the reaction tube 13 is adapted to be connected to the input line 21.

In some embodiments, further comprising: and the supporting plate 19 is supported on the outer wall of the reaction tube 13, and the supporting plate 19 is fixedly connected with the reaction tube 13 through at least one hoop clamp 20. As shown in fig. 1, the support plate 19 is supported to be attached to the bottom of the reaction tube 13 and to the lower surface area of the outer wall of the reaction tube 13; the hoop clamps 20 may be one or more, as shown in fig. 1, the hoop clamps 20 are provided in 3, and the 3 hoop clamps 20 are distributed at intervals in the axial direction of the reaction tube 13, so that the connection and fixation of the support plate 19 and the reaction tube 13 are realized at three positions, and the assembly stability of the two is improved.

The supporting plate 19 is made of a non-deformable stainless steel plate or a non-deformable painted iron plate, and can be connected with the hoop clamp 20 by punching or the like. When the reactor is specifically installed, one end of the hoop clamp 20 can be fixed on the reaction tube 13, the tightness can be adjusted, the reactor can be detached, and the other end of the hoop clamp is fixed on the supporting plate 19 through screws.

The reaction tube 13 is easily bent and deformed under high temperature conditions due to the material of the reaction tube 13, and rattling occurs during the test under high pressure conditions. The utility model discloses in, on being fixed in non-deformable's backup pad 19 with reaction tube 13 through using hoop clamp 20, both played the stabilizing effect, make the deformation degree reduce again to improve the accuracy of test result.

In some embodiments, the input pipeline 21 is provided with a circulation pump 211, a water inlet valve 212 and a booster pump 213, the water inlet valve 212 is located between the circulation pump 211 and the booster pump 213, wherein, as shown in fig. 1, the circulation pump 211, the water inlet valve 212 and the booster pump 213 are sequentially distributed from the circulation water tank 12 to the inlet end of the reaction tube 13, and the circulation state of the water sample in the input pipeline 21 can be controlled through the water inlet valve 212, for example, when a test is performed, the water inlet valve 212 can be opened to make the input pipeline 21 in a clear state, so as to cooperate with the circulation pump 211 and the booster pump 213.

The circulating pump 211 can adjust the pressure required by the test, and the booster pump 213 is a variable-frequency booster pump and can control the pressure entering the reaction tube 13, so that samples with the same flow and different pressures can be evaluated, and the effect of controlling the test parameters in a multi-directional test is achieved.

In some embodiments, further comprising: and a return branch 22, one end of the return branch 22 is communicated with the input pipeline 21, the other end of the return branch 22 is communicated with the circulating water tank 12, and the return branch 22 is provided with a diverter valve 221.

Wherein, as shown in fig. 1, the position where the return branch 22 is connected to the input pipeline 21 is located between the circulating pump 211 and the water inlet valve 212, the diverter valve 221 can control the flow rate of the test sample entering the reaction tube 13, that is, the water pumped from the circulating pump 211 from the circulating water tank 12 can be diverted into the water inlet valve 212 and the return branch 22 in different proportions by the setting of the diverter valve 221. And furthermore, the scaling speed of the sample under different flow rates and flow rates can be evaluated under the condition that the circulating pump 211 is not replaced, so that the test time is saved.

And when the water inlet valve 212 is closed and the circulating pump 211 is not closed, the water pumped into the input pipeline 21 by the circulating pump 211 can also flow back into the circulating water tank 12 through the return branch 22, so that the situation that the water inlet valve 212 is over-pressurized to cause unstable structure is avoided. During specific installation, as shown in fig. 1, a three-way joint may be disposed at the rear end of the circulation pump 211, an inlet of the three-way joint is connected to the circulation pump 211, a first outlet of the three-way joint is communicated with the water inlet valve 212, and a second outlet of the three-way joint is communicated with the return branch 22.

In some embodiments, a sampling branch 24 is also connected to the output line 23, the sampling branch 24 being provided with a sampling valve 241.

The sampling valve 241 can sample the reacted sample under the condition that the device is not stopped and disassembled, and supplement the sample after evaluating the change condition of the sample concentration and calculating the amount of the sample to be added, so as to realize the constancy of the sample concentration, evaluate the scale inhibition limit capacity of the test piece 14 under the dynamic condition, and simplify the test operation process.

In some embodiments, further comprising: a supplementary doser 25, the medicine outlet of the supplementary doser 25 is communicated with the circulating water tank 12.

The supplementary doser 25 is provided with a medicine storage area, a valve and a long handle, wherein the valve is normally opened to balance the pressure inside and outside the system, and the bottom end of the long handle is positioned above the liquid level of the circulating water tank 12. After the concentration change of the sample is detected, the sample is supplemented by using the supplementing doser 25, so that the effect of supplementing the sample at any time is achieved.

In some embodiments, a pressure gauge 214 is provided in the inlet line 21 and/or a flow meter 231 is provided in the outlet line 23. The pressure gauge 214 is connected to one end of the reaction tube 13 through a pipe for monitoring the pressure in the pipe in real time, so as to adjust the pressure in the pipe in time, as shown in fig. 1, the pressure gauge 214 is located between the booster pump 213 and the inlet end of the reaction tube 13. A flow meter 231 is connected to the other end of the reaction tube 13 through a pipe for displaying the test circulation flow rate, and as shown in fig. 1, the flow meter 231 is located between the sampling branch 24 and the outlet end of the reaction tube 13.

From this, through setting up the utility model provides a scale inhibition evaluation device 100 can realize multi-functional dynamic scale inhibition evaluation.

Wherein, in a specific test: the test piece 14 can be dried at 105 ℃ in advance, the test piece 14 is numbered and strung for standby, a test water sample to be evaluated is added into the circulating water tank 12, the test piece 14 is added into the reaction tube 13, the angle of the test piece 14 is fixed according to the requirement, the constant-temperature water bath pot 11 is started after the assembly is completed, after the water sample reaches the test temperature, the flow dividing valve 221 and the water inlet valve 212 are opened, the sampling valve 241 is closed, the circulating pump 211 is started, the pressure required by the test is adjusted, and the booster pump 213 is started for circulation. And after the required time is reached, the booster pump 213 and the circulating pump 211 are stopped in sequence, the test material is taken out, dried and weighed at 105 ℃, or subjected to scaling analysis and the like, and the test data is obtained for analysis.

1. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

2. In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

3. In the description of the present invention, "a plurality" means two or more.

4. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

5. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An anti-scale evaluation device, characterized by comprising:

a water bath kettle;

the circulating water tank is arranged in the water bath;

one end of the reaction pipe is selectively communicated with the circulating water tank through an input pipeline, and the other end of the reaction pipe is communicated with the circulating water tank through an output pipeline;

the test piece, the test piece install in the reaction tube, the test piece is worn to be equipped with fixed rope, just fixed rope with the reaction tube relatively fixed.

2. The scale inhibition evaluation device according to claim 1, wherein the test strip is provided in plurality, and the plurality of test strips are distributed in the axial direction of the reaction tube, and the fixing rope is sequentially inserted through the plurality of test strips, and an end portion of the fixing rope is fixed to an end portion of the reaction tube.

3. The scale inhibition evaluation device according to claim 1, wherein each test strip is provided with at least two through holes, and the fixing ropes are at least two and respectively penetrate through the at least two through holes of the test strip.

4. The scale inhibition evaluation device according to claim 1, further comprising: the double-external-thread joint comprises a double-external-thread joint and a variable-diameter joint, one end of the double-external-thread joint is in threaded connection with the end of the reaction tube, the other end of the double-external-thread joint is in threaded connection with the variable-diameter joint, a fixing rod is arranged at the other end of the double-external-thread joint, and the end of the fixing rope is fixed on the fixing rod.

5. The scale inhibition evaluation device according to claim 1, further comprising: the supporting plate is supported on the outer wall of the reaction tube and fixedly connected with the reaction tube through at least one hoop clamp.

6. The scale inhibition evaluation device according to claim 1, wherein a circulation pump, a water inlet valve and a booster pump are arranged in the input pipeline, and the water inlet valve is positioned between the circulation pump and the booster pump.

7. The scale inhibition evaluation device according to claim 1, further comprising: and one end of the backflow branch is communicated with the input pipeline, the other end of the backflow branch is communicated with the circulating water tank, and the backflow branch is provided with a flow divider valve.

8. The scale inhibition and evaluation device according to claim 1, wherein the output pipeline is further connected with a sampling branch, and the sampling branch is provided with a sampling valve.

9. The scale inhibition evaluation device according to claim 1, further comprising: and the medicine outlet of the supplementary medicine feeder is communicated with the circulating water tank.

10. The scale inhibition evaluation device according to claim 1, wherein a pressure gauge is provided in the input pipeline and/or a flow meter is provided in the output pipeline.