CN214895137U

CN214895137U - Desulfurizing tower pH value measuring device

Info

Publication number: CN214895137U
Application number: CN202120959408.7U
Authority: CN
Inventors: 刘俊峰; 皇传泰; 王沛书; 邵夫强
Original assignee: Huaeng Liaocheng Thermal Power Co ltd
Current assignee: Huaeng Liaocheng Thermal Power Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-11-26
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a desulfurizing tower pH value measuring device, include: slurry flow pipeline, the measuring box, filtering component and collection subassembly, the measuring box is connected with slurry flow channel, filtering component sets up and is being located slurry flow channel top in the measuring box, filtering component is provided with the through-hole, the measuring bottom of the case portion is provided with the collection subassembly, the collection subassembly is connected with filtering component, through setting up the measuring box, set up the erosion and wear of slurry to the pH meter in the measuring box can effectively be alleviated to the pH meter, through this kind of big container expansion of measuring box and the mobile mode from bottom to top make the slurry get into the measuring box and can only slowly rise, the velocity of flow reduces, keep off the large granule thing before the pH meter through filtering component, prevent to damage the pH meter and carry out the secondary buffering.

Description

Desulfurizing tower pH value measuring device

Technical Field

The utility model belongs to the technical field of flue gas desulfurization system technique and specifically relates to a desulfurizing tower pH value measuring device.

Background

The flue gas contains a large amount of SO2 gas, and the flue gas is discharged into the air to pollute the atmosphere and influence the global environment. The absorption of SO2 in flue gas is an important index for environmental monitoring. The pH value data in the desulfurization process is an important control parameter which directly influences the absorption effect of SO 2. At present, in all wet desulphurization processes in China, a pH sensor is directly inserted into the desulphurization slurry to monitor the pH value. The pH value of the absorption slurry is detected in a mode of arranging the pH meter in the feeding pipeline, on one hand, the slurry directly washes the pH measuring electrode, so that the measuring electrode is seriously damaged, and the service life of the measuring electrode is shortened; on the other hand, particulate matters such as fine powder and calcium sulfate mixed in the slurry cause serious pollution to the pH sensor, so that the pH value measurement is distorted, and the desulfurization detection effect is extremely unstable.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract of the specification and the title of the application may be somewhat simplified or omitted to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplification or omission may not be used to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the prior art.

Therefore, the utility model discloses the technical problem that will solve is how safer, accurate monitoring thick liquid pH valve.

In order to solve the technical problem, the utility model provides a following technical scheme: a desulfurizing tower PH value measuring device comprises:

the slurry flows through a pipeline and is discharged from the slurry outlet,

a measurement tank connected to the slurry flow channel,

the filtering component is arranged in the measuring box and located above the slurry circulation channel, the filtering component is provided with a through hole, the measuring box bottom is provided with a collecting component, and the collecting component is connected with the filtering component.

As a preferred scheme of desulfurizing tower pH value measuring device, wherein: the measuring box still is provided with the slip subassembly, and the slip subassembly is connected with filtering component, and the slip subassembly includes the slider, sets up the spout at the inside wall, slider and spout sliding connection, slider upper surface are provided with the connecting rod, and the connecting rod is connected with the slip handle.

As a preferred scheme of desulfurizing tower pH value measuring device, wherein: the shape of the filtering component is a cone, the cross-sectional area is gradually reduced from bottom to top, the side wall of the cone top part is a solid side wall, and the outer side wall of the cone surface is provided with a through hole.

As a preferred scheme of desulfurizing tower pH value measuring device, wherein: the collecting assembly comprises a collecting tray, the cross section of the bottom of the collecting tray is the same as that of the bottom of the measuring box, and the side wall of the collecting tray is chamfered with a round angle.

As a preferred scheme of desulfurizing tower pH value measuring device, wherein: the upper part of the filtering component is provided with an overflow pipe positioned on the side wall of the measuring box.

As a preferred scheme of desulfurizing tower pH value measuring device, wherein: the measuring box is also provided with a PH meter, and the PH meter and the side wall of the measuring box are obliquely arranged.

As a preferred scheme of desulfurizing tower pH value measuring device, wherein: the inlet at the lower end of the measuring box is provided with a flow control valve, the lower end of the flow control valve is provided with a flowmeter, and the flowmeter is internally provided with an alarm device.

As a preferred scheme of desulfurizing tower pH value measuring device, wherein: and a temperature sensor is arranged above the electrode measuring end of the PH meter.

As a preferred scheme of desulfurizing tower pH value measuring device, wherein: a plurality of PH meters are arranged in the measuring box.

As a preferred scheme of desulfurizing tower pH value measuring device, wherein: the measuring box, the filtering component, the sliding component and the collecting component are made of abrasion-resistant materials.

The utility model has the advantages that:

1. the utility model discloses a filtering component filters the particulate matter in to the thick liquid, makes the particulate matter can not get into PH meter measurement area to improve the purity degree of thick liquid in the measurement area, reduce the probability of scale deposit, improved the life of PH electrode.

2. The utility model discloses a set up sliding assembly and make filtering component and collection subassembly reciprocate in the measuring box, one can make the granule of card on the filtering component through-hole drop down through rocking the filtering component, prevent to block up, two can conveniently take out filtering component and collection subassembly, wash.

3. The utility model discloses a set up the measurement case, set up the PH meter in the measurement case and can effectively alleviate the thick liquid to the erosion and abrasion of pH meter, through this kind of big container of measurement case expand hold with the mobile mode from bottom to top make the thick liquid get into the measurement case and can only slowly rise, the velocity of flow reduces, keeps off the large granule thing through filtering component and prevents damaging the pH meter and carry out the secondary buffering before the pH meter.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic structural diagram of embodiment 1 of a PH value measuring device of a desulfurizing tower provided by the present invention.

Fig. 2 is a schematic view of a cross-sectional structure of a PH value measuring device of a desulfurizing tower provided by the present invention.

Fig. 3 is a schematic view of a partial structure of a sliding assembly of a PH value measuring device of a desulfurizing tower provided by the present invention.

Fig. 4 is a schematic view of a filter assembly of a PH value measuring device of a desulfurizing tower provided by the present invention.

Fig. 5 is a schematic view of a collecting assembly of a PH value measuring device of a desulfurizing tower provided by the present invention.

Fig. 6 is the utility model provides a lower part of slip assembly of desulfurizing tower pH value measuring device schematic diagram of structure.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1, the utility model provides a desulfurizing tower pH value measuring device, include: the slurry flowing pipeline 100, the measuring box 200, the filtering component 300 and the collecting component 400, the traditional PH meter is directly inserted into the pipeline to monitor the PH value, the slurry directly washes the PH measuring electrode to cause the damage of the measuring electrode to be serious,

the utility model arranges the measuring box 200, the measuring box 200 is connected with the serous fluid flowing channel 100, serous fluid flows into the measuring box from the serous fluid flowing channel 100 and enters the big container from the small container, the flow rate of serous fluid is well limited,

further, a filter assembly 300 is disposed in the measuring chamber 200 above the slurry flowing channel 100, the filter assembly 300 is provided with a through hole 301, large particles are blocked by the filter assembly 300 before the pH meter to prevent the pH meter from being damaged,

preferably, the collection member 400 is disposed at the bottom of the measurement chamber 200 to intensively treat the large particulate matters filtered by the filter member 300. The collection assembly 400 is connected to the filter assembly 300.

The implementation mode is as follows: through setting up measurement case 200, can effectively alleviate the thick liquid to the wearing and tearing that erode of pH meter, through measuring this kind of big container expansion of case 200 and the mobile mode from bottom to top make the thick liquid get into measurement case 200 and can only slowly rise, the velocity of flow reduces, keeps off the large granule thing through filtering component 300 and prevents damaging the pH meter before the pH meter, through setting up collection component 400, with filterable large granule material centralized processing.

Example 2

Referring to fig. 2 to 6, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: the measuring box 200 is further provided with a sliding assembly 500, the sliding assembly 500 is connected with the filtering assembly 300, the sliding assembly 500 comprises a sliding block 501 and a sliding groove 502 arranged on the inner side wall of the measuring box 200, the sliding block 501 is connected with the sliding groove 502 in a sliding mode, the upper surface of the sliding block 501 is provided with a connecting rod 503, and the connecting rod 503 is connected with a sliding handle 504. Make filter component 300 and collection subassembly 400 can reciprocate at the measurement incasement through setting up sliding assembly 500, one can make the granule of card on filter component 300 through-hole 301 drop down through rocking filter component 300, prevent to block up, two can conveniently take out filter component 300 and collection subassembly 400, wash.

Further, the collecting unit 400 comprises a collecting tray 401, the bottom of the collecting tray 401 has the same cross section as the bottom of the measuring chamber 200, and the side walls are rounded. Collecting tray 401 is the same as the bottom cross section of measuring chamber 200, and in cooperation with filter assembly 300, holds all large particles in collecting tray 401, and the particulate matter can better be gathered to the rounded side wall.

Preferably, the shape of the filter assembly 300 is a cone, the cross-sectional area gradually decreases from bottom to top, the sidewall of the cone top part is a solid sidewall, and the outer sidewall of the cone is provided with a through hole 301. By adopting the shape of the filtering component, the cone top is not used for filtering, but forms adjustment on the flow direction of the slurry with the cone outer side wall through hole 301, part of the entering slurry directly flows into the filtering component 300 from the cone outer side wall through hole 301, and part of the slurry flowing into the cone top part can only flow out from the cone outer side wall through hole 301 after entering due to the blocking of the solid side wall of the cone top, so that the buffering effect is achieved, the flowing speed of the slurry is eased after filtering and flow direction change, and the strong scouring damage to a pH meter is further avoided.

Further, an overflow pipe 600 is disposed above the filter assembly 300. The measuring tank 200 introduces the slurry through the slurry flow pipe 100 and guides the slurry out through the overflow pipe 600.

Preferably, the measuring chamber 200, the filter element 300, the sliding element 500 and the collecting element 400 are made of abrasion-resistant materials. The anti-abrasion material can be tungsten carbide, metal ceramics, an anti-abrasion welding rod, high-strength stainless steel and the like.

The implementation mode is as follows: make filter assembly 300 and collection subassembly 400 can reciprocate in measuring case 200 through rocking sliding assembly 500, one can make the granule of card on filter assembly 300 through-hole 301 shake off and go through rocking filter assembly 300, prevent to block up, two can conveniently take out filter assembly 300 and collection subassembly 400, wash, through to filter assembly 300, sliding assembly 500 and collection subassembly 400's further optimization make the granule hardly enter into the PH meter measuring area, the purity of thick liquid in the measuring area has been improved, the PH meter spoilage has been reduced, thereby the measuring accuracy of PH meter has been increased.

Example 3

Referring to fig. 2, a third embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: wherein, the inlet of the lower end of the measuring box 200 is provided with a flow control valve 800, the lower end of the flow control valve 800 is provided with a flow meter 801, and the flow meter 801 is internally provided with an alarm device. Through the flow velocity of thick liquid in the detectable entering measuring box 200 of flowmeter 801, set up alarm device in the flowmeter 801, when the thick liquid velocity of flow reaches a certain upper limit value, alarm device in the flowmeter sends alarm signal, and staff's accessible control flow control valve 800 control thick liquid gets into the flow size and the speed of measuring the case to prevent to lead to the impaired PH meter 700 measuring electrode because of the thick liquid velocity of flow is too fast

Further, the measurement box 200 is further provided with a PH meter 700, and the PH meter 700 and the side wall of the measurement box 200 are obliquely arranged. The impact area of the slurry on the inclined arrangement is reduced, so that the impact force of the slurry on the PH meter 700 is reduced, and the damage of the PH meter 700 due to the impact is prevented;

preferably, a temperature sensor 701 is disposed above the electrode measuring end of the PH meter 700. The inside condition of the measuring box is known through the temperature sensor.

Further, a plurality of PH meters 700 are provided in the measurement chamber 200. During detection, the results of the plurality of PH meters 700 are jointly judged, once a detection result has a large deviation, a certain PH meter 700 is necessary to have a fault, and an operator can check the result accordingly, so that the detection error caused by the fault of the PH meter 700 is effectively avoided, the PH measurement error of the slurry is reduced, and the pH value detection accuracy of the slurry is improved;

the implementation mode is as follows: the flow rate of the slurry entering the measuring box 200 can be detected by the flow meter 801, an alarm device is arranged in the flow meter 801, when the flow rate of the slurry reaches a certain upper limit value, the alarm device in the flow meter sends out an alarm signal, and a worker can control the flow rate and the speed of the slurry entering the measuring box by controlling the flow control valve 800, so that the measuring electrode of the PH meter 700 is prevented from being damaged due to the fact that the flow rate of the slurry is too high; a temperature sensor 701 is arranged above the electrode measuring end of the PH meter 700. Through temperature sensor 701 measurement measuring box 200 internal slurry liquid temperature, because thick liquid circulation passageway 100 and overflow pipe 600 form the circulation, PH meter 700 height and overflow pipe 600 parallel and level, thick liquid circulation passageway 100 blocks up, can lead to the thick liquid level to descend and to be less than overflow pipe 600, and overflow pipe 600 does not have the thick liquid and flows out, and PH meter 700 also can not contact the thick liquid, and temperature sensor 701 temperature will become low, and accessible temperature reminds staff thick liquid circulation passageway 100 to take place to block up.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a desulfurizing tower pH value measuring device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

a slurry flow channel (100),

a measurement tank (200), the measurement tank (200) being connected to the slurry flow channel (100),

the slurry flow channel (100) is arranged in the measuring box (200), the filtering component (300) is arranged above the slurry flow channel (100), the filtering component (300) is provided with a through hole (301), the bottom of the measuring box (200) is provided with a collecting component (400), and the collecting component (400) is connected with the filtering component (300).

2. The PH measuring device of a desulfurizing tower according to claim 1, wherein: the measuring box (200) is further provided with a sliding assembly (500), the sliding assembly (500) is connected with the filtering assembly (300), the sliding assembly (500) comprises a sliding block (501) and a sliding groove (502) formed in the inner side wall of the measuring box (200), the sliding block (501) is in sliding connection with the sliding groove (502), a connecting rod (503) is arranged on the upper surface of the sliding block (501), and the connecting rod (503) is connected with a sliding handle (504).

3. The PH measuring device of a desulfurizing tower according to claim 1 or 2, wherein: the shape of the filtering component (300) is a cone, the cross section area is gradually reduced from bottom to top, the side wall of the cone top part is a solid side wall, and the outer side wall of the cone surface is provided with a through hole (301).

4. The PH measuring device of claim 3, wherein: the collecting assembly (400) comprises a collecting tray (401), the cross section of the tray bottom of the collecting tray (401) is the same as that of the measuring box bottom, and the side wall of the collecting tray is rounded.

5. The PH measuring device of a desulfurizing tower according to any one of claims 1, 2 and 4, wherein: an overflow pipe (600) is arranged above the filtering component (300).

6. The PH measuring device of claim 5, wherein: the measuring box (200) is further provided with a PH meter (700), and the PH meter (700) and the side wall of the measuring box (200) are obliquely arranged.

7. The PH measuring device of claim 6, wherein: the flow control valve (800) is arranged at an inlet at the lower end of the measuring box (200), the flow meter (801) is arranged at the lower end of the flow control valve (800), and the alarm device is arranged in the flow meter (801).

8. The PH measuring device of claim 7, wherein: and a temperature sensor (701) is arranged above the electrode measuring end of the PH meter (700), and the height of the PH meter (700) is flush with that of the overflow pipe (600).

9. The PH measuring device of claim 8, wherein: the PH meter (700) is provided in plurality in the measuring box (200).

10. The pH value measuring device for the desulfurizing tower according to any one of claims 1 to 2 and 4 to 9, wherein: the material of the measuring box (200), the material of the filtering component (300) and the material of the collecting component (400) are abrasion-resistant materials.