CN214953404U

CN214953404U - PH measuring device of desulfurization absorption tower

Info

Publication number: CN214953404U
Application number: CN202121575394.5U
Authority: CN
Inventors: 张美玉; 刘学
Original assignee: Shandong Greenism Environmental Protection Technology Co ltd
Current assignee: Shandong Greenism Environmental Protection Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-11-30
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a desulfurization absorption tower PH measuring device, including the pipe chute, measure straight tube, PH measuring unit, washing mechanism, the one end slant of pipe chute is installed on the absorption tower body, and the other end of pipe chute is equipped with measures the straight tube, measures the top surface middle part of straight tube and has seted up a pair of measurement through-hole, and every inside of measuring the through-hole all is equipped with a piston section of thick bamboo, all installs PH measuring unit in every piston section of thick bamboo, and the other end of measuring the straight tube is equipped with first nozzle stub, and the other end of first nozzle stub is equipped with washing mechanism. The utility model discloses a cooperation of each mechanism's subassembly is used, has solved the PH and has measured inaccurate and overhaul inconvenient problem, and overall structure design is compact, has further improved the measuring degree of accuracy of PH, has made things convenient for the later stage to overhaul it or dismantle the change.

Description

PH measuring device of desulfurization absorption tower

Technical Field

The utility model relates to a desulfurization technical field especially relates to a desulfurization absorption tower PH measuring device.

Background

In recent years, China pays more attention to environmental protection, and a thermal power generating unit is provided with a flue gas desulfurization device to ensure that the flue gas is discharged up to the standard. Most thermal power plants adopt wet desulphurization devices, the method has the advantages of high desulphurization efficiency, mature technology and the like, and can discharge desulphurization wastewater in the desulphurization process, and the desulphurization wastewater is weakly acidic (PH is 4-6) and contains a large amount of pollutants.

The existing absorption tower PH measuring device has the following disadvantages: 1. generally, a PH electrode is arranged on a gypsum slurry discharge pump pipeline, but the flow rate of slurry at the PH electrode is high, and the PH electrode is quickly washed and abraded by slurry of an absorption tower, so that the PH measuring electrode is easy to scale and block; 2. current PH measuring device formula as an organic whole usually uses for a long time, can cause inside components and parts to damage, and the maintenance is dismantled very inconveniently in later stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a PH measuring device of a desulfurization absorption tower.

In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:

the utility model provides a desulfurization absorption tower PH measuring device, includes the pipe chute, measures straight tube, PH measuring unit, washes the mechanism, the one end slant of pipe chute is installed on the absorption tower body, the other end of pipe chute is equipped with measures the straight tube, the top surface middle part of measuring the straight tube has seted up a pair of measurement through-hole, every the inside of measuring the through-hole all is equipped with a piston section of thick bamboo, every all install PH measuring unit in the piston section of thick bamboo, the other end of measuring the straight tube is equipped with first nozzle stub, the other end of first nozzle stub is equipped with washes the mechanism.

Preferably, an inclined through hole is formed in the bottom of one side face of the absorption tower body, a sealing ring is sleeved inside the inclined through hole, one end of the inclined tube is inserted into the sealing ring and penetrates into the absorption tower body, and a sampling valve is arranged in the middle of the inner portion of the inclined tube.

Preferably, an inclined flange ring is sleeved on the outer side of one end portion of the inclined tube, a plurality of first bolts are uniformly distributed on the inclined flange ring, and the inner end of each first bolt is spirally inserted into the absorption tower body.

Preferably, the other end of the inclined pipe is sleeved with a first flange ring, the two end parts of the measuring straight pipe are sleeved with a pair of second flange rings, one end part of the first short pipe is sleeved with a third flange ring, and the two second flange rings are respectively and spirally locked with the first flange ring and the third flange ring through a plurality of second bolts.

Preferably, the PH measuring component comprises a PH measuring rod and a measuring probe, a sleeve is arranged in the top port of the piston cylinder, the PH measuring rod is inserted into the sleeve, the bottom end of the PH measuring rod extends into the measuring straight pipe, the measuring probe is arranged at the bottom end of the PH measuring rod, and a connecting block is arranged at the top end of the PH measuring rod.

Preferably, two be equipped with the fixed plate between the top of piston cylinder, the top of fixed plate is equipped with the regulating plate, the bottom surface both sides of regulating plate respectively with two even block rigid couplings, the bottom surface middle part of regulating plate is equipped with fixing bearing, the silk hole has been seted up at the middle part of fixed plate, the silk hole interpolation is equipped with the lead screw, the top of lead screw is inserted and is established in fixing bearing, the bottom of lead screw is equipped with the adjustment handle.

Preferably, a piston ring is sleeved in the middle of the PH measuring rod in the piston cylinder, a pair of sealing sliding rings is arranged on the upper surface and the lower surface of the piston ring, and each sealing sliding ring slides along the inner wall of the piston cylinder.

Preferably, the flushing mechanism includes return bend, flush pump, the outer end of first nozzle stub is equipped with the return bend, the other end of return bend is equipped with the second nozzle stub, just be equipped with sealing baffle in the other port of second nozzle stub, sealing baffle's top surface is equipped with the flush pump, the business turn over water end of flush pump is equipped with inlet tube, outlet pipe respectively, just the outer end of outlet pipe runs through sealing baffle and stretches into in the second nozzle stub.

Preferably, the outside of the bottom of the piston cylinder is sleeved with a fixed flange ring, a plurality of third bolts are uniformly distributed on the fixed flange ring, and the inner end of each third bolt is spirally inserted into the measuring straight pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the adjusting handle is rotated to drive the screw rod to match with the screw hole to rotate spirally, the adjusting plate is driven to close the fixed plate, the PH measuring rod and the sleeve are driven to slide downwards along the piston cylinder, the piston ring and the sealing sliding ring are driven to slide along the inner wall of the piston cylinder, the measuring probe is driven to extend into the measuring straight pipe, the PH value in the gas is detected through the measuring probe, and the detection accuracy is further improved;

2. in the utility model, the inclined flange ring is locked with the tower body of the absorption tower through the first bolt, so that the stability of the inclined pipe installation is increased; the piston cylinder is spirally locked with the measuring straight pipe through a third bolt, so that the mounting stability of the piston cylinder is improved; the second flange ring is respectively and spirally locked with the first flange ring and the third flange ring through a plurality of second bolts, so that the connection stability of the two ends of the measuring straight pipe with the inclined pipe and the first short pipe is improved, and the later-stage disassembly and maintenance are facilitated;

to sum up, the utility model discloses a cooperation of each mechanism's subassembly is used, has solved the PH and has measured inaccurate and inconvenient problem of maintenance, and overall structure design is compact, has further improved the degree of accuracy of PH measurement, has made things convenient for the later stage to overhaul it or dismantle the change.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a schematic sectional view of a straight measurement pipe according to the present invention;

fig. 4 is an enlarged view of a point a in fig. 3 according to the present invention;

number in the figure: the device comprises an inclined pipe 1, an absorption tower body 11, an inclined flange ring 12, a first flange ring 13, a sampling valve 14, a measuring straight pipe 2, a second flange ring 21, a piston cylinder 22, a fixed flange ring 23, a fixed plate 24, an adjusting plate 25, a screw rod 26, an adjusting handle 27, a sleeve 3, a PH measuring rod 31, a piston ring 32, a sealing sliding ring 33, a measuring probe 34, a first short pipe 4, a third flange ring 41, an elbow pipe 42, a second short pipe 43, a sealing partition plate 44 and a flushing pump 45.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1: the embodiment provides a desulfurization absorption tower PH measuring device, refer to fig. 1-4, it is concrete, including pipe chute 1, measure straight tube 2, PH measuring unit, wash the mechanism, the one end slant of pipe chute 1 is installed on absorption tower body 11, the other end of pipe chute 1 is equipped with measures straight tube 2, measure the top surface middle part of straight tube 2 and seted up a pair of measurement through-hole, every inside of measuring the through-hole all is equipped with the piston cylinder 22 who link up the rigid coupling, all install PH measuring unit in every piston cylinder 22, the other end of measuring straight tube 2 is equipped with first nozzle stub 4, the other end of first nozzle stub 4 is equipped with washes the mechanism.

In the utility model, an oblique through hole is arranged at the bottom of one side surface of the absorption tower body 11, a sealing ring which is concentrically and fixedly connected is sleeved inside the oblique through hole, one end of an inclined tube 1 is inserted in the sealing ring and penetrates into the absorption tower body 11, and a sampling valve 14 is arranged at the middle part in the inclined tube 1; one end of the inclined tube 1 is inserted in the sealing ring and penetrates into the absorption tower body 11, a sampling valve 14 is arranged in the middle of the inclined tube 1, and the sampling valve 14 is controlled to be closed, so that the measurement straight tube 2 is convenient to replace.

In the utility model, the PH measuring component comprises a PH measuring rod 31 and a measuring probe 34, a sleeve 3 which is penetrated in a sliding way is arranged in the top port of the piston cylinder 22, the PH measuring rod 31 which is penetrated and fixedly connected is inserted in the sleeve 3, the bottom end of the PH measuring rod 31 extends into the measuring straight pipe 2, the measuring probe 34 is arranged at the bottom end of the PH measuring rod 31, and the top end of the PH measuring rod 31 is provided with a connecting block; the middle part cover that is located the inherent PH measuring stick 31 of piston cylinder 22 is equipped with the piston ring 32, the upper and lower face of piston ring 32 all is equipped with a pair of sealed sliding ring 33, and every sealed sliding ring 33 all slides along the inner wall of piston cylinder 22, when regulating plate 25 is closed to fixed plate 24, and then drive PH measuring stick 31 and sleeve pipe 3 along piston cylinder 22 lapse, drive piston ring 32 and sealed sliding ring 33 and all slide along the inner wall of piston cylinder 22, it stretches into to measuring straight tube 2 to drive measuring probe 34, detect the PH value in the gas through measuring probe 34, the degree of accuracy that has further improved the detection.

In the utility model, a fixing plate 24 which is transversely fixedly connected is arranged between the tops of two piston cylinders 22, an adjusting plate 25 which is placed in parallel is arranged above the fixing plate 24, two sides of the bottom surface of the adjusting plate 25 are fixedly connected with two connecting blocks respectively, a fixing bearing is arranged in the middle of the bottom surface of the adjusting plate 25, a screw hole is arranged in the middle of the fixing plate 24, a screw rod 26 which is spirally penetrated is inserted in the screw hole, the top end of the screw rod 26 is inserted in the fixing bearing, and an adjusting handle 27 is arranged at the bottom end of the screw rod 26; the adjusting handle 27 is rotated to drive the screw rod 26 to rotate in a screw matching manner with the screw hole, so that the adjusting plate 25 is driven to close towards the fixing plate 24, and the extension of the PH measuring rod 31 is adjusted conveniently.

The utility model discloses in, the flushing mechanism includes return bend 42, washer pump 45, and the outer end of first nozzle stub 4 is equipped with the return bend 42 that link up the rigid coupling, and the other end of return bend 42 is equipped with the second nozzle stub 43 that link up the rigid coupling, and is equipped with seal baffle 44 in the other port of second nozzle stub 43, and seal baffle 44's top surface is equipped with washer pump 45, and washer pump 45's business turn over water end is equipped with inlet tube, outlet pipe respectively, and the outer end of outlet pipe runs through seal baffle 44 and stretches into to in the second nozzle stub 43.

Example 2: in embodiment 1, there is also the inconvenient problem of later stage dismantlement maintenance, therefore, this embodiment still includes on the basis of embodiment 1:

in the utility model, an inclined flange ring 12 which is concentrically and fixedly connected is sleeved outside one end part of the inclined tube 1, a plurality of first bolts are uniformly distributed on the inclined flange ring 12, the inner end of each first bolt is spirally inserted on the absorption tower body 11, and the inclined flange ring 12 is spirally locked with the absorption tower body 11 through the first bolts, so that the installation stability of the inclined tube 1 is improved;

a fixed flange ring 23 is sleeved on the outer side of the bottom of the piston cylinder 22, a plurality of third bolts are uniformly distributed on the fixed flange ring 23, the inner end of each third bolt is spirally inserted into the measuring straight pipe 2, and the piston cylinder 22 is spirally locked with the measuring straight pipe 2 through the third bolts, so that the mounting stability of the piston cylinder 22 is improved;

the other end of the inclined pipe 1 is sleeved with a first flange ring 13 which is concentrically and fixedly connected, the two end parts of the measuring straight pipe 2 are sleeved with a pair of second flange rings 21 which are concentrically and fixedly connected, one end part of the first short pipe 4 is sleeved with a third flange ring 41 which is concentrically and fixedly connected, and the two second flange rings 21 are respectively and spirally locked with the first flange ring 13 and the third flange ring 41 through a plurality of second bolts; the second flange ring 21 is respectively screwed and locked with the first flange ring 13 and the third flange ring 41 through a plurality of second bolts, so that the stability of connection between the two ends of the measuring straight pipe 2 and the inclined pipe 1 and the first short pipe 4 is improved, and the later-stage disassembly maintenance is also facilitated.

Example 3: the utility model discloses when specifically using, its operating procedure is as follows:

one end of an inclined tube 1 is inserted into a sealing ring and penetrates into an absorption tower body 11, an inclined flange ring 12 is locked with the absorption tower body 11 in a spiral mode through a first bolt, the installation stability of the inclined tube 1 is improved, a sampling valve 14 is arranged in the middle of the inner portion of the inclined tube 1, and the straight measuring tube 2 is convenient to replace by controlling the sampling valve 14 to be closed;

step two, the second flange ring 21 is respectively screwed and locked with the first flange ring 13 and the third flange ring 41 through a plurality of second bolts, so that the stability of connecting two ends of the measuring straight pipe 2 with the inclined pipe 1 and the first short pipe 4 is improved, and the later-stage disassembly and maintenance are facilitated;

step three, opening the sampling valve 14, enabling the desulfurization wastewater in the absorption tower body 11 to enter the measurement straight pipe 2 along the inclined pipe 1, driving the screw rod 26 to rotate in a spiral manner by rotating the adjusting handle 27 in cooperation with the screw hole, driving the adjusting plate 25 to close towards the fixing plate 24, further driving the PH measuring rod 31 and the sleeve 3 to slide downwards along the piston cylinder 22, driving the piston ring 32 and the sealing sliding ring 33 to both slide along the inner wall of the piston cylinder 22, driving the measuring probe 34 to extend into the measurement straight pipe 2, and detecting the PH value in the gas through the measuring probe 34;

and step four, the water inlet pipe is communicated with an external water source, the washing pump 45 is started, under the action of the washing pump 45, washing water is driven to enter the second short pipe 43 along the water outlet pipe, flows into the measuring straight pipe 2 along the bent pipe 42 and the first short pipe 4, washes the measuring probe 34, the bent pipe 42 can reduce the impact force of the washing water, and the washed water flows into the absorption tower body 11 along the inclined pipe 1, so that the problem that the measuring probe 34 is blocked or inaccurate in measurement is avoided.

The utility model discloses a cooperation of each mechanism's subassembly is used, has solved the PH and has measured inaccurate and overhaul inconvenient problem, and overall structure design is compact, has further improved the measuring degree of accuracy of PH, has made things convenient for the later stage to overhaul it or dismantle the change.

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 utility model provides a desulfurization absorption tower PH measuring device, includes pipe chute (1), measures straight tube (2), PH measuring component, washes the mechanism, its characterized in that: the one end slant of pipe chute (1) is installed on absorption tower body (11), the other end of pipe chute (1) is equipped with measures straight tube (2), the top surface middle part of measuring straight tube (2) has been seted up a pair of measurement through-hole, every the inside of measuring the through-hole all is equipped with piston cylinder (22), every all install PH measurement component in piston cylinder (22), the other end of measuring straight tube (2) is equipped with first nozzle stub (4), the other end of first nozzle stub (4) is equipped with washes the mechanism.

2. The PH measuring device of claim 1, wherein: the utility model discloses a tower body, including absorption tower body (11), slant through-hole has been seted up to a side bottom of absorption tower body (11), the inside cover of slant through-hole is equipped with the sealing ring, the one end of pipe chute (1) is inserted and is established in the sealing ring and run through and stretch into in absorption tower body (11), just middle part is equipped with sample valve (14) in pipe chute (1).

3. The PH measuring device of claim 1, wherein: an inclined flange ring (12) is sleeved on the outer side of one end portion of the inclined tube (1), a plurality of first bolts are uniformly distributed on the inclined flange ring (12), and each first bolt is spirally inserted into the absorption tower body (11).

4. The PH measuring device of claim 1, wherein: another tip cover of pipe chute (1) is equipped with first flange ring (13), the both ends cover of measuring straight tube (2) is equipped with a pair of second flange ring (21), a tip cover of first nozzle stub (4) is equipped with third flange ring (41), two second flange ring (21) are through a plurality of second bolts respectively with first flange ring (13), third flange ring (41) spiral locking.

5. The PH measuring device of claim 1, wherein: PH measuring component includes PH measuring stick (31), measuring probe (34), be equipped with sleeve pipe (3) in the top port of piston cylinder (22), sleeve pipe (3) interpolation is equipped with PH measuring stick (31), the bottom of PH measuring stick (31) stretches into to measuring in straight tube (2), just the bottom of PH measuring stick (31) is equipped with measuring probe (34), the top of PH measuring stick (31) is equipped with even piece.

6. The PH measuring device of claim 5, wherein: two be equipped with fixed plate (24) between the top of piston cylinder (22), the top of fixed plate (24) is equipped with regulating plate (25), the bottom surface both sides of regulating plate (25) link a rigid coupling with two respectively, the bottom surface middle part of regulating plate (25) is equipped with fixing bearing, the silk hole has been seted up at the middle part of fixed plate (24), the silk hole interpolation is equipped with lead screw (26), the top of lead screw (26) is inserted and is established in fixing bearing, the bottom of lead screw (26) is equipped with adjust handle (27).

7. The PH measuring device of claim 5, wherein: the PH measuring rod is characterized in that a piston ring (32) is sleeved in the middle of the PH measuring rod (31) in the piston cylinder (22), a pair of sealing sliding rings (33) are arranged on the upper surface and the lower surface of the piston ring (32), and each sealing sliding ring (33) slides along the inner wall of the piston cylinder (22).

8. The PH measuring device of claim 1, wherein: the flushing mechanism includes return bend (42), flush pump (45), the outer end of first nozzle stub (4) is equipped with return bend (42), the other end of return bend (42) is equipped with second nozzle stub (43), just be equipped with sealing diaphragm (44) in the other port of second nozzle stub (43), the top surface of sealing diaphragm (44) is equipped with flush pump (45), the business turn over water end of flush pump (45) is equipped with inlet tube, outlet pipe respectively, just the outer end of outlet pipe runs through sealing diaphragm (44) and stretches into in second nozzle stub (43).

9. The PH measuring device of claim 1, wherein: the bottom outside cover of piston cylinder (22) is equipped with mounting flange ring (23), the equipartition is equipped with a plurality of third bolts on mounting flange ring (23), every the equal spiral of inner end of third bolt is inserted and is established in measuring straight tube (2).