CN212060033U

CN212060033U - Detect PH meter protection device of carbon black flue gas desulfurization thick liquid

Info

Publication number: CN212060033U
Application number: CN201922338677.7U
Authority: CN
Inventors: 张海彬; 陈忠斌; 金元庆; 王利志; 曹迎峰
Original assignee: HANDAN BLACK CAT CARBON BLACK CO Ltd
Current assignee: HANDAN BLACK CAT CARBON BLACK CO Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-12-01
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a detect PH meter protection device of carbon black flue gas desulfurization thick liquid relates to PH meter electrode protection device. Including the internal jar body that leads to there being cooling water of intermediate layer, be equipped with the agitator at jar internal portion, jar internal thick liquid filter equipment and the electrode installation device of being equipped with, PH meter electrode and conductivity electrode are fixed on the electrode installation device, and the computer and the display of data access outside DCS control room measured by two electrodes, thick liquid filter equipment are equipped with the filtration pore, and the electrode installation device outside is equipped with the buffering cartridge filter, encircles the buffering cartridge filter and is equipped with condenser tube, and jar body top is equipped with washs water access device, and the bottom is equipped with the drain. The utility model discloses can carry out buffering many times and filtration and cooling to being surveyed the thick liquid, reduce the impact force of thick liquid to PH meter electrode to the at utmost, reduce the temperature of being surveyed the thick liquid, prolong the life of PH meter electrode, reduce the manufacturing cost that the enterprise frequently changed the electrode, can carry out the detection of conductivity to being surveyed the thick liquid simultaneously, use manpower sparingly and operating time.

Description

Detect PH meter protection device of carbon black flue gas desulfurization thick liquid

Technical Field

The utility model relates to a PH meter electrode protection device specifically indicates a PH meter protection device who detects carbon black flue gas desulfurization thick liquid.

Background

Environmental protection is a basic national policy of China, and with the development of national economy and the continuous enhancement of national environmental awareness, the requirements of people on the quality of the atmosphere are higher and higher. Carbon black is an important industrial raw material, is widely applied to rubber products such as tires and the like, and is an indispensable industrial product in industries such as dye, printing, plastics, metallurgy and the like. The flue gas containing sulfur dioxide is generated in the carbon black production process, and along with the increasing emphasis of the country on energy conservation and emission reduction, the flue gas emission of carbon black enterprises is promoted to meet the national requirements, so that the flue gas desulfurization is realized. Can produce the desulfurization thick liquid at the desulfurization in-process, need carry out the PH to the desulfurization thick liquid and detect, in the conventional art, as shown in fig. 4, during carbon black flue gas desulfurization, the desulfurization thick liquid is more than 75 ℃, the desulfurization thick liquid comes out from desulfurization circulating pump and gets into outlet pipe big end and small end thick liquid import, then flow through outlet pipe big end and small end, it flows out from outlet pipe big end and small end thick liquid export at last, PH meter electrode probe installs on the desulfurization thick liquid sampling pipe of outlet pipe big end and small end one side, the desulfurization thick liquid more than 75 flows through from the desulfurization thick liquid sampling pipe, directly erode PH meter electrode probe, cause PH meter electrode probe ageing and damage easily. Moreover, the PH meter electrode is in slurry with higher temperature for a long time, so that the aging of the electrode is accelerated, a glass probe of the PH meter electrode is easy to scale, and the sensitivity and the accuracy of detection are lost; for a pipeline with longer service life, lining rubber on the inner wall of the pipeline often falls off, and the fallen lining rubber can impact an electrode when flowing through a PH meter electrode, so that the service life of the electrode is influenced, and the frequent replacement of the electrode can increase the production cost of an enterprise. And for the detection of the conductivity of the desulfurization slurry, technicians are required to carry out field sampling and send the desulfurization slurry to a laboratory for detection, so that time is wasted, and human resources are occupied.

The utility model patent with application number 201720850498.X discloses a desulfurization slurry PH meter protection device, which comprises a buffer tank body, wherein the side surface of the buffer tank body is provided with a slurry inlet, a slurry outlet and a sewage outlet; the top of the device is provided with an electrode mounting port for mounting a PH meter electrode; the positions of the slurry inlet and the sewage draining outlet are lower than the slurry outlet; the position of the sewage draining outlet is lower than or equal to that of the slurry inlet. Be equipped with condenser tube among this protection device and cool off whole box thick liquid, nevertheless can not guarantee the stability of thick liquid temperature around the PH meter, and this protection device does not set up thick liquid buffer, and the thick liquid has certain velocity of flow after getting into the box under certain pressure, can cause certain washing away to the PH meter, reduce the electrode life-span, the filtering problem of thick liquid also has not been solved to this device, the lining of in the pipeline is glued impurity and is got into the box easily and cause the striking to the electrode, influence the electrode life-span, in addition, the device also can't wash the box.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a PH meter protection device who detects carbon black flue gas desulfurization thick liquid is provided, simple structure can filter and cushion the thick liquid of being surveyed, reduces the thick liquid and to the impact of PH meter electrode to reduce the temperature of being surveyed the thick liquid, prolong the life of PH meter electrode, can carry out the measuring of conductivity to being surveyed the thick liquid simultaneously.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the utility model provides a detect PH meter protection device of carbon black flue gas desulfurization thick liquid, includes a jar body, jar body is equipped with the intermediate layer, lets in the cooling water in the intermediate layer. The upper part of the outer side of the tank body interlayer is provided with a plurality of cooling water inlets which are connected with an external cooling water source, and the lower part of the outer side of the tank body interlayer is provided with a plurality of cooling water outlets. Jar body top fixed connection cover the motor fixed bolster is connected at the cover center, the fixed bolster connection motor, the motor output shaft passes through the adapter sleeve and is connected with the agitator, the agitator passes the cover stretches into jar internal and be close bottom position fixed connection stirring vane at the jar body. Thick liquid filter equipment and electrode installation device are installed respectively to motor fixed bolster both sides on the cover, thick liquid filter equipment and electrode installation device all stretch into the jar is internal, thick liquid filter equipment top is connected outside and is sent thick liquid device, electrode installation device is in install coil pipe cooling device around the part of jar internal portion. And an electrode fixing plate is arranged above the electrode mounting device, the upper ends of the PH meter electrode and the conductivity electrode are respectively and electrically connected with a display in an external control room, and the other ends of the PH meter electrode and the conductivity electrode are fixed by the electrode fixing plate and extend into the electrode mounting device. The cleaning water inlet and the slurry overflow connecting port are respectively and fixedly connected to two sides of the upper part of the tank body, a standby interface is further arranged on one side of the tank body, and a sewage draining outlet is formed in the bottom of the tank body.

Preferably, the cooling water inlet and the cooling water outlet are arranged in a staggered manner in the circumferential direction of the tank body.

Preferably, the part of the slurry filtering device in the tank body is of a cylindrical structure with a closed bottom.

Further preferably, the cylindrical wall of the slurry filtering device is provided with a plurality of filtering holes.

Still more preferably, the filter holes have a diameter size of 3mm to 5 mm.

Preferably, the electrode mounting device is externally provided with a buffer filter cartridge.

Further preferably, the wall of the buffer filter cylinder is provided with a plurality of buffer filter holes.

Still further preferably, the diameter of the buffer filtering hole is 2mm-3 mm.

Further preferably, the coil cooling device is a cooling water pipe spirally wound on the outside of the buffer filter cylinder of the electrode mounting device, and a water inlet and a water outlet of the cooling water pipe penetrate through and extend out of the tank cover and are communicated with the cooling water circulation water channel.

Preferably, the inner wall of the tank body is coated with a high-temperature-resistant anticorrosive paint.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

1. the utility model discloses the jar body is equipped with the intermediate layer, and the cooling water flows in the intermediate layer and carries out whole cooling to jar body and jar interior surveyed thick liquid for the cooling rate of thick liquid. In addition, the cooling water pipe is spirally wound outside the buffering filter cylinder provided with the PH meter electrode and the conductivity electrode, so that the temperature of the slurry around the two electrodes can be well maintained in a low-temperature state, the electrode is prevented from being aged and damaged easily due to long-term soaking in the slurry with high temperature and being scaled easily by a glass head probe of the electrode, the service life of the electrode is prolonged, and the electrode replacement cost of enterprises is reduced.

2. The utility model discloses the thick liquid filter equipment who is equipped with has the cylindric structure of confined and is equipped with a plurality of diameters on the drum wall and be 3mm-5 mm's filtration pore for the thick liquid plays a separation, filtering action to the lining of thick liquid glue impurity when getting into the jar body, also can play a fine cushioning effect to the flow of thick liquid simultaneously, avoids the thick liquid to erode the direct of electrode, extension electrode life.

3. The utility model discloses a buffering cartridge filter of thick liquid electrode installation device outside is equipped with a plurality of diameters and is 2mm-3 mm's filtration pore, can further the separation, filters the impurity in the thick liquid, reduces the striking of lining rubber impurity to the electrode to filter the pore and can further slow down the thick liquid velocity of flow around the electrode, make the thick liquid further reduce to washing away of electrode, prolong the life of electrode, reduced the cost of maintaining and frequently changing the electrode.

4. The utility model discloses be equipped with the agitator that the motor drove, the agitator is equipped with stirring vane in jar body bottom, maintains low-speed rotation for a long time, and the rotational speed is at 20-60r/min within range for the thick liquid can not deposit after getting into jar body, also can not produce big influence to the thick liquid fluidity of jar body top.

5. The utility model discloses be equipped with and wash water access mouth, can regularly wash jar internal facility in jar and jar to draining, further prevent to deposit on jar internal wall and jar interior facility at long-time back thick liquid of using.

6. The utility model discloses be connected PH meter electrode and conductivity electrode and the interior DCS control computer of external control room, can carry out real-time supervision to the PH value and the conductivity of thick liquid, especially saved the operation that technical staff need take the on-the-spot sample to the laboratory and detect then the recorded data again to the monitoring of conductivity, saved manpower and operating time greatly.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic diagram of the installation structure of the PH meter electrode and the conductivity electrode in the electrode installation device according to the present invention;

FIG. 3 is a schematic view showing the positions of the cooling water outlet and the cooling water inlet of the present invention in the circumferential direction of the tank body;

FIG. 4 is a schematic diagram showing the structure of a prior art apparatus for measuring the pH of a desulfurized slurry of carbon black flue gas.

In the figure: 1. a slurry filtering device; 2. a stirrer; 201. a motor; 202. connecting sleeves; 203. a motor fixing bracket; 3. an electrode mounting device; 4. a cooling device; 5. a slurry overflow connector; 6. a washing water inlet; 7. a standby interface; 8. a cooling water outlet; 9. a tank body; 10. a sewage draining outlet; 11. a cooling water inlet; 12. a can lid; 13. a pH meter electrode; 14. a conductivity electrode; 15. an electrode fixing plate; 16. The outlet pipeline is provided with a pulp inlet with a large end and a small end; 17. the outlet pipeline is used for discharging slurry with a large head and a small head; 18. the outlet pipeline reducer; 19. a ball valve; 20. a pH electrode probe; 21. a slurry sampling pipe.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in figure 1, a PH meter protection device for detecting carbon black flue gas desulfurization slurry, which comprises a tank body 9, the inner wall of the tank body is coated with high-temperature-resistant anticorrosive paint, the tank body 9 is provided with an interlayer, cooling water is introduced into the interlayer, as shown in figure 3, three cooling water inlets 11 are uniformly arranged on the upper part of the outer side of the interlayer of the tank body 9 along the circumferential direction, the cooling water inlets 11 are connected with an external cooling water source, three cooling water outlets 8 are uniformly arranged on the lower part of the outer side of the interlayer of the tank body 9 along the circumferential direction, the cooling water inlets 11 and the cooling water outlets 8 are arranged in the circumferential direction of the tank body 9 in a staggered manner, so that cooling dead corners are not easily formed when the cooling water flows in the interlayer of the tank body 9, the cooling.

As shown in fig. 1, a tank cover 12 can be fixedly connected above a tank body 9 through a lock catch, the tank cover 12 can also be fixedly connected with the tank cover through a bolt, a motor fixing support 203 is fixedly connected with the center of the tank cover 12 through a bolt, the motor fixing support 203 is fixedly connected with a motor 201 through a bolt, an output shaft of the motor 201 is fixedly connected with a stirrer 2 through a connecting sleeve 202, the connecting sleeve 202 is respectively fixedly connected with an output shaft of the motor 201 and an input shaft of the stirrer through pins, or the tail end of the input shaft of the stirrer 2 is directly made into a sleeve shape, the output shaft of the motor 201 extends into the sleeve of the input shaft of the stirrer 2, then the two are fixed together through pins, the stirrer 2 penetrates through the tank cover 12 and extends into the tank body 9 and is fixedly connected with a stirring blade through a bolt at a position of.

As shown in fig. 1-2, the slurry filtering device 1 and the electrode installation device 3 are respectively fixedly connected with two sides of the motor fixing support 203 on the tank cover by bolts, the slurry filtering device 1 and the electrode installation device 3 are connected and all extend into the tank body 9, the external slurry feeding device is connected above the slurry filtering device 1, the coil cooling device 4 is installed around the part of the electrode installation device 3 inside the tank body 9, the electrode fixing plate 15 is fixedly connected with the upper part of the electrode installation device 3 by bolts, the upper ends of the PH meter electrode 13 and the conductivity electrode 14 are respectively connected with a computer in an external control room, and the detected data are displayed on a display, so that the data measured by the two can be monitored in real time. The other ends of the two electrodes are fixed by an electrode fixing plate 15 and extend into the electrode mounting device 3, the two sides of the upper part of the tank body 9 are respectively and fixedly connected with a cleaning water inlet 6 and a slurry overflow connecting port 5, one side of the tank body 9 is also provided with a standby interface 7, and the bottom of the tank body 9 is provided with a sewage outlet 10.

Specifically, the part of the slurry filtering device 1 in the tank body 9 is of a cylindrical structure with a closed bottom, the cylindrical wall of the slurry filtering device 1 is provided with a plurality of filtering holes, and the diameter of each filtering hole is 3-5 mm.

Specifically, a buffer filter cylinder is arranged outside the electrode mounting device 3, a plurality of buffer filter holes are formed in the wall of the buffer filter cylinder, and the diameter of each buffer filter hole is 2-3 mm.

More specifically, the coil cooling device 4 is a cooling water pipe spirally wound around the outside of the buffer filter cartridge of the electrode mounting device 3, and a water inlet and a water outlet of the cooling water pipe both penetrate through and extend out of the tank cover 12 and are communicated with the cooling water circulation water path.

The utility model discloses when using, the thick liquid flows in from thick liquid filter equipment 1, through filtering and slowing down the velocity of flow, get into jar body 9 in, the logical cooling water in the 9 intermediate layer of jar body, carry out quick cooling to the thick liquid that flows into jar, the thick liquid further filters and cushions through the outside buffering cartridge filter of electrode installation device 3, the condenser tube that the buffering cartridge filter outside encircleed simultaneously carries out further cooling to the thick liquid that gets into and thick liquid on every side, the at utmost guarantees that electrode operating temperature is in a lower level, agitator 2 keeps low-speed operation under motor 201's drive always, make the thick liquid can not deposit, the thick liquid overflows connector 5 outflow through the thick liquid. The two electrodes are connected with a computer and a display in an external control room, and the measured data can be timely fed back to technicians, so that the operation step of sampling and testing the technicians on site is omitted. This protection device carries out jar body 9 inside washing once every day or every shift, and the manual dismantlement of once monthly inspects the washing. When the interior of the tank body 9 is cleaned, cleaning water enters the tank body 9 from the cleaning water inlet 6, the tank body is cleaned by stirring the cleaning water through the stirrer 2, and after the cleaning is finished, cleaning sewage is discharged from the sewage outlet 10 at the bottom of the tank body 9 to finish the cleaning.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The PH meter protection device for detecting the carbon black flue gas desulfurization slurry is characterized by comprising a tank body (9), wherein an interlayer is arranged on the tank body (9), cooling water is introduced into the interlayer, a plurality of cooling water inlets (11) are formed in the upper part of the outer side of the interlayer of the tank body (9), the cooling water inlets (11) are connected with an external cooling water source, a plurality of cooling water outlets (8) are formed in the lower part of the outer side of the interlayer of the tank body (9), a tank cover (12) is fixedly connected above the tank body (9), a motor fixing support (203) is connected with the center of the tank cover (12), a motor (201) is connected with a fixing support (203), an output shaft of the motor (201) is connected with a stirrer (2) through a connecting sleeve (202), and the stirrer (2) penetrates through the tank cover (12) to stretch into the tank body (9) and is close to a stirring blade at the bottom, a slurry filtering device (1) and an electrode mounting device (3) are respectively mounted on two sides of a motor fixing support (203) on the tank cover, the slurry filtering device (1) and the electrode mounting device (3) both extend into the tank body (9), an external slurry conveying device is connected above the slurry filtering device (1), a coil cooling device (4) is mounted around the part inside the tank body (9) of the electrode mounting device (3), an electrode fixing plate (15) is arranged above the electrode mounting device (3), the upper ends of a PH meter electrode (13) and a conductivity electrode (14) are respectively electrically connected with a display, the other ends of the PH meter electrode and the conductivity electrode are fixed by the electrode fixing plate (15) and extend into the electrode mounting device (3), a cleaning water inlet (6) and a slurry overflow connecting port (5) are respectively connected on two sides of the upper part of the tank body (9), a standby interface (7) is also arranged on one side of the tank body (9), and a sewage draining outlet (10) is arranged at the bottom of the tank body (9).

2. The PH meter protection device for detecting the desulfurization slurry of carbon black flue gas as claimed in claim 1, wherein the cooling water inlet (11) and the cooling water outlet (8) are arranged in a staggered manner in the circumferential direction of the tank body (9).

3. The PH meter protection device for detecting the desulfurization slurry of carbon black flue gas as claimed in claim 1, wherein the portion of the slurry filtering device (1) in the tank body (9) is of a cylindrical structure with a closed bottom.

4. The PH meter protection device for detecting the desulfurization slurry of carbon black flue gas as claimed in claim 3, wherein the cylindrical wall of the slurry filtering device (1) is provided with a plurality of filtering holes.

5. The pH meter protection device for testing carbon black flue gas desulfurization slurry according to claim 4, wherein the diameter of the filtering hole is 3mm-5 mm.

6. The PH meter protection device for detecting the desulfurization slurry of carbon black flue gas as claimed in claim 1, wherein a buffering filter cylinder is arranged outside the electrode mounting device (3).

7. The PH meter protection device for detecting the carbon black flue gas desulfurization slurry of claim 6, wherein the wall of the buffer filter cartridge is provided with a plurality of buffer filter holes.

8. The PH meter protection device for detecting the desulfurization slurry of carbon black flue gas as claimed in claim 7, wherein the diameter of the buffering filter hole is 2mm-3 mm.

9. The PH meter protection device for detecting the desulfurization slurry in carbon black flue gas as claimed in claim 6, wherein the coil cooling device (4) is a cooling water pipe spirally surrounding the outside of the buffer filter cylinder of the electrode mounting device (3), and the water inlet and the water outlet of the cooling water pipe both penetrate through and extend out of the tank cover (12) and are communicated with a cooling water circulation water path.

10. The PH meter protection device for detecting the desulfurization slurry of carbon black flue gas as claimed in claim 1, wherein the inner wall of the tank body (9) is coated with a high temperature resistant anticorrosive coating.