CN211936643U

CN211936643U - Chemical water dosing device for thermal power generation

Info

Publication number: CN211936643U
Application number: CN202020585881.9U
Authority: CN
Inventors: 郑锦培; 黄秀媚; 周先国
Original assignee: Guangzhou Huantou Fushan Environmental Protection Energy Co ltd
Current assignee: Guangzhou Huantou Fushan Environmental Protection Energy Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-11-17
Anticipated expiration: 2030-04-20

Abstract

The utility model belongs to the technical field of thermal power generation equipment technique and specifically relates to a thermal power generation is with changing water charge device, the on-line screen storage device comprises a base, the upper surface four corners department of base all is provided with the support column, the upper portion of support column is provided with the dissolving tank, the upper end of dissolving tank is provided with the apron, upper surface one side of apron is inserted and is equipped with level sensor, the upper surface middle part of apron is provided with servo motor, servo motor's main shaft runs through the lap joint and is connected with the transmission shaft, transmission shaft outside cover is equipped with rabbling mechanism, upper surface one side of base is provided with the measuring pump, the exit of measuring pump is connected with the injection pipe, the injection pipe other end runs through the apron, dissolving tank one side is provided with the inlet tube, dissolving. The utility model discloses have and to carry out chemical treatment to thermal power generation water to avoid the production of boiler scale deposit.

Description

Chemical water dosing device for thermal power generation

Technical Field

The utility model relates to a thermal power generation equipment technical field especially relates to a thermal power generation is with changing water charge device.

Background

The installed capacity of a modern thermal power plant is gradually expanded, higher requirements are put on safe and stable operation of the power plant, and social responsibility is also provided for whether electric power can be stably supplied. The chemical technology supervision work of the thermal power plant supervises the flowing media of the boiler and the steam turbine, namely water and steam. Chemical supervision is an important link for ensuring safe, stable and economic operation of thermal equipment. The most important component of power plant chemical supervision is steam water supervision. The main task of monitoring the quality of the steam water is to prevent the thermal equipment from scaling, corrosion and salt accumulation and ensure the good quality of the steam water. However, most of the existing water for thermal power generation is weakly acidic water, and the weakly acidic water is corrosive to metals, so that iron scale and copper scale are easily formed on the surfaces of a boiler and a heat exchanger, and certain damage is caused to thermal power generation equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the chemical water charge device for thermal power generation who proposes makes it carry out chemical treatment to thermal power generation water to avoid the production of boiler scale deposit.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

designing a chemical water dosing device for thermal power generation, which comprises a base, wherein supporting columns are arranged at four corners of the upper surface of the base, and a dissolving tank is arranged at the upper parts of the supporting columns; a cover plate is arranged at the upper end of the dissolving tank, a liquid level sensor is inserted into one side of the upper surface of the cover plate, and a servo motor is arranged in the middle of the upper surface of the cover plate; a main shaft of the servo motor penetrates through the cover plate and is connected with a transmission shaft, and a stirring mechanism is sleeved on the outer side of the transmission shaft; a metering pump is arranged on one side of the upper surface of the base, an outlet of the metering pump is connected with a chemical injection pipe, and the other end of the chemical injection pipe penetrates through the cover plate; a water inlet pipe is arranged on one side of the dissolving tank, a PH probe is arranged in the middle of one side of the dissolving tank, and a drain pipe is arranged at the lower end of the dissolving tank; one side of dissolving tank is provided with electrical control box, level sensor, servo motor, measuring pump and PH probe electric connection.

Preferably, the stirring mechanism comprises a guide sleeve, a connecting rod, a guide strip, a mounting sleeve, a stirring strip and a locking bolt; the middle part of the outer side of the transmission shaft is uniformly provided with guide strips, and guide sleeves are sleeved on the outer sides of the guide strips; connecting rods are symmetrically arranged on the outer side of the guide sleeve, and one ends of the connecting rods, far away from the guide sleeve, are connected with stirring strips; one ends of the two stirring strips, which are far away from the connecting rod, are connected with mounting sleeves, and the lower ends of the mounting sleeves are provided with locking bolts; the locking bolt penetrates through the mounting sleeve and then is in threaded connection with the transmission shaft, and the locking bolt is provided with reverse threads.

Preferably, a rubber sealing sleeve is sleeved outside the PH probe, and a jacket is sleeved outside the rubber sealing sleeve; the outer side of the jacket is sleeved with a pressing sleeve, and the pressing sleeve is inserted into the dissolving tank.

Preferably, one side of the drain pipe is obliquely provided with a slag discharge pipe, and a filter plate is inserted into the slag discharge pipe; and the outlet of the slag discharge pipe is in threaded connection with a plug.

Preferably, the lower end of the dissolving tank is in an inverted trumpet shape.

The utility model provides a pair of thermal power generation is with changing water charge device, beneficial effect lies in: the utility model discloses in be provided with the PH probe through dissolving tank one side middle part, make the PH value of the water in the dissolving tank can real-timely be detected, be provided with the measuring pump through upper surface one side at the base, the exit of measuring pump is connected with the injection pipe, the injection pipe other end runs through the apron, make the measuring pump add chemical agent in to the dissolving tank, upper surface middle part through at the apron is provided with servo motor, servo motor's main shaft runs through the apron and is connected with the transmission shaft, transmission shaft outside cover is equipped with rabbling mechanism, make the chemical agent who adds and dissolve tank water carry out the abundant reaction, thereby avoid the production of boiler scale deposit.

Drawings

Fig. 1 is a schematic view of a chemical water dosing device for thermal power generation according to the present invention;

FIG. 2 is a schematic view of a sectional structure of a chemical water adding device for thermal power generation;

fig. 3 is an enlarged schematic structural diagram of a part a of the chemical water adding device for thermal power generation provided by the utility model;

fig. 4 is the utility model provides a B part enlargies the structural schematic diagram among the chemical water charge device for thermal power generation.

In the figure: the device comprises a base 1, a support column 2, a dissolving tank 3, a cover plate 4, a liquid level sensor 5, a servo motor 6, a transmission shaft 7, a stirring mechanism 8, a guide sleeve 80, a connecting rod 81, a guide strip 82, a mounting sleeve 83, a stirring strip 84, a locking bolt 85, a metering pump 9, a drug injection pipe 10, a water inlet pipe 11, a PH probe 12, an electric control box 13, a rubber sealing sleeve 14, a jacket 15, a pressing sleeve 16, a drain pipe 17, a slag discharge pipe 18, a filter plate 19 and a plug 20.

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.

Referring to fig. 1-4, a thermal power generation is with changing medicine device of water, includes base 1, and the upper surface four corners department of base 1 all is provided with support column 2, and the upper portion of support column 2 is provided with dissolving tank 3, and the upper end of dissolving tank 3 is provided with apron 4, and upper surface one side of apron 4 is inserted and is equipped with level sensor 5, and level sensor 5 is the floater formula liquid level controller, through the height of the water level that liquid level sensor 5 control entered into dissolving tank 3.

The middle part of the upper surface of the cover plate 4 is provided with a servo motor 6, the main shaft of the servo motor 6 penetrates through the cover plate 4 and is connected with a transmission shaft 7, the outer side of the transmission shaft 7 is sleeved with a stirring mechanism 8, the stirring mechanism 8 comprises a guide sleeve 80, a connecting rod 81, a guide strip 82, a mounting sleeve 83, stirring strips 84 and locking bolts 85, the middle part of the outer side of the transmission shaft 7 is uniformly provided with the guide strip 82, the outer side of the guide strip 82 is sleeved with the guide sleeve 80, the outer side of the guide sleeve 80 is symmetrically provided with the connecting rod 81, one end of the connecting rod 81, which is far away from the guide sleeve 80, is connected with the stirring strips 84, one end of the two stirring strips 84, which is far away from the connecting rod 81, is connected with, the transmission shaft 7 is driven to rotate by the servo motor 6, so that the stirring strips 84 are driven to stir and mix the cooling water and the medicament in the dissolving tank 3.

Base 1's upper surface one side is provided with measuring pump 9, and the exit of measuring pump 9 is connected with injection pipe 10, and the apron 4 is run through to the injection pipe 10 other end, and dissolving tank 3 one side is provided with inlet tube 11, adds chemistry neutralization agent through measuring pump 9 in to dissolving tank 3.

The middle part of one side of the dissolving tank 3 is provided with a PH probe 12, the outer side of the PH probe 12 is sleeved with a rubber sealing sleeve 14, the outer side of the rubber sealing sleeve 14 is sleeved with a clamping sleeve 15, the outer side of the clamping sleeve 15 is sleeved with a pressing sleeve 16, the pressing sleeve 16 is inserted into the dissolving tank 3, and the liquid in the dissolving tank 3 is detected in real time through the PH probe 12.

3 lower extremes of dissolving tank are provided with drain pipe 17, drain pipe 17 lopsidedness has been seted up and has been arranged sediment pipe 18, it is equipped with filter 19 to arrange sediment pipe 18 interpolation, the exit threaded connection end cap 20 of row sediment pipe 18, one side of dissolving tank 3 is provided with electrical control box 13, level sensor 5, servo motor 6, measuring pump 9 and PH probe 12 electric connection, filter dissolving tank 3 outflow water through filter 19, thereby make the water dregs filtered out.

The lower end of the dissolving tank 3 is in an inverted trumpet shape, so that the liquid in the dissolving tank 3 is convenient to discharge.

The working principle is as follows: the during operation, utilize inlet tube 11 to carry out the moisturizing in dissolving tank 3, utilize level sensor 5 to detect the interior liquid level height of dissolving tank 3 simultaneously, thereby control the switch of the intaking of inlet tube 11, after inlet tube 11 stops the moisturizing, utilize PH probe 12 to detect the PH of the water in dissolving tank 3, when water PH value is acidity, utilize measuring pump 9 to add the chemical agent of neutralization water in dissolving tank 3, it is rotatory to recycle servo motor 6 drive transmission shaft 7, thereby it stirs the mixture to drive acidic water and chemical agent in dissolving tank 3 to stir strip 84, make chemical agent and water fully react, when PH probe 12 detects the PH value of the water in dissolving tank 3 and is basicity, servo motor 6 and measuring pump 9 stop work.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The chemical water dosing device for thermal power generation comprises a base (1) and is characterized in that supporting columns (2) are arranged at four corners of the upper surface of the base (1), and a dissolving tank (3) is arranged at the upper parts of the supporting columns (2); a cover plate (4) is arranged at the upper end of the dissolving tank (3), a liquid level sensor (5) is inserted into one side of the upper surface of the cover plate (4), and a servo motor (6) is arranged in the middle of the upper surface of the cover plate (4); a main shaft of the servo motor (6) penetrates through the cover plate (4) and is connected with a transmission shaft (7), and a stirring mechanism (8) is sleeved on the outer side of the transmission shaft (7); a metering pump (9) is arranged on one side of the upper surface of the base (1), an outlet of the metering pump (9) is connected with a medicine injection pipe (10), and the other end of the medicine injection pipe (10) penetrates through the cover plate (4); a water inlet pipe (11) is arranged on one side of the dissolving tank (3), a PH probe (12) is arranged in the middle of one side of the dissolving tank (3), and a drain pipe (17) is arranged at the lower end of the dissolving tank (3); one side of the dissolving tank (3) is provided with an electrical control box (13), and the electrical control box (13), the liquid level sensor (5), the servo motor (6), the metering pump (9) and the PH probe (12) are electrically connected.

2. The chemical water dosing device for thermal power generation as claimed in claim 1, wherein the stirring mechanism (8) comprises a guide sleeve (80), a connecting rod (81), a guide bar (82), a mounting sleeve (83), a stirring bar (84) and a locking bolt (85); the middle part of the outer side of the transmission shaft (7) is uniformly provided with guide strips (82), and guide sleeves (80) are sleeved on the outer sides of the guide strips (82); connecting rods (81) are symmetrically arranged on the outer side of the guide sleeve (80), and one end, far away from the guide sleeve (80), of each connecting rod (81) is connected with a stirring strip (84); one ends of the two stirring strips (84) far away from the connecting rod (81) are connected with mounting sleeves (83), and locking bolts (85) are arranged at the lower ends of the mounting sleeves (83); the locking bolt (85) penetrates through the mounting sleeve (83) and then is in threaded connection with the transmission shaft (7), and the locking bolt (85) is provided with reverse threads.

3. The chemical water dosing device for thermal power generation as claimed in claim 1, wherein a rubber sealing sleeve (14) is sleeved outside the PH probe (12), and a clamping sleeve (15) is sleeved outside the rubber sealing sleeve (14); the outer side of the jacket (15) is sleeved with a pressing sleeve (16), and the pressing sleeve (16) is inserted into the dissolving tank (3).

4. The chemical water dosing device for thermal power generation as claimed in claim 1, wherein a slag discharge pipe (18) is obliquely arranged on one side of the drain pipe (17), and a filter plate (19) is inserted into the slag discharge pipe (18); the outlet of the slag discharge pipe (18) is in threaded connection with a plug (20).

5. The chemical water dosing device for thermal power generation as claimed in claim 1, wherein the lower end of the dissolving tank (3) is in an inverted trumpet shape.