CN207596573U - A kind of boiler drum chemicals dosing plant - Google Patents
A kind of boiler drum chemicals dosing plant Download PDFInfo
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- CN207596573U CN207596573U CN201721397829.5U CN201721397829U CN207596573U CN 207596573 U CN207596573 U CN 207596573U CN 201721397829 U CN201721397829 U CN 201721397829U CN 207596573 U CN207596573 U CN 207596573U
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- dissolved
- bucket
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- fluid level
- level controller
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Abstract
The utility model discloses a kind of boiler drum chemicals dosing plant, including：Bottom discharge mouth is connected with the dosing tank of the first dosing pump, it is equipped in the outside of dosing tank and is pre-dissolved bucket, the agitating shaft by motor-driven rotation is equipped in bucket is pre-dissolved, several stirrer paddles are equipped on agitating shaft, water inlet and charge door are equipped on the head cover for be pre-dissolved bucket, top bucket wall is equipped with liquid outlet, the water inlet for being pre-dissolved bucket is connected by the first connecting line with demineralized water water source, the first valve is equipped on the first connecting line, first valve is connect with positioned at the first fluid level controller signal being pre-dissolved in bucket, when the first fluid level controller monitors that the liquid level for being pre-dissolved barrel inner liquid medicine is higher than highest safety levels, first fluid level controller, which can control, closes the first valve；The liquid outlet for being pre-dissolved bucket passes through the feed inlet at the top of the second dosing pump and the second connecting line connection dosing tank.The advantages of utility model is：It can realize 24 hours continuous dosings, dosing disruption will not occur again.
Description
Technical field
The utility model is related to boiler for producing equipment technical fields, and in particular to a kind of boiler drum chemicals dosing plant.
Background technology
Station boiler will generally carry out water process in stove, and water process refers in stove：In boiler running process, according to stove water
Quality requirements, by the continuously dosing into boiler drum of boiler drum chemicals dosing plant, added liquid is dissolved for solid phosphoric acid trisodium
In the saturation liquid that demineralized water is formed.The structure of boiler drum chemicals dosing plant is used at present：Including dosing tank, in dosing
Feed inlet is provided at the top of case, discharge port is provided at the top of dosing tank, discharge port is connected with dosing pump.It in use, will
Solid phosphoric acid trisodium and demineralized water pour into dosing tank from feed inlet successively, after the two is dissolved into liquid, restart dosing pump, lead to
It crosses dosing pump and the liquid in dosing tank is squeezed into boiler drum.Above-mentioned boiler drum chemicals dosing plant has the drawback that：In reality
During dosing, once the solid phosphoric acid trisodium particle added in is excessive, it can make in liquid that there are undissolved solid phosphoric acid trisodiums
Particle, when undissolved solid phosphoric acid trisodium particle is drawn to the entrance of dosing pump during pumping material, undissolved solid
Tertiary sodium phosphate particle can be stopped by the strainer of the inlet of dosing pump and be trapped in dosing Pump Suction Nozzle, and then block dosing pump
Entrance causes dosing pump not go out liquid and dosing disruption occurs, greatly affected production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of boiler drum that dosing pump can be prevented to be blocked during dosing and adds
Medicine device.
To achieve the above object, the utility model employs following technical solution：A kind of boiler drum dosing dress
It puts, including：Bottom discharge mouth is connected with the dosing tank of the first dosing pump, is provided in the outside of dosing tank and is pre-dissolved bucket, is being pre-dissolved
The agitating shaft by motor-driven rotation is provided in bucket, is arranged at intervals with several agitating paddles from up to down on the axle body of agitating shaft
Leaf is provided with water inlet and charge door on the head cover for be pre-dissolved bucket, and liquid outlet is provided on the top bucket wall for being pre-dissolved bucket, described
The water inlet for being pre-dissolved bucket is connected by the first connecting line with demineralized water water source, is provided with out on the first connecting line
The first valve of the first connecting line is closed, the first valve is pre-dissolved barrel inner liquid medicine liquid level with being located to be pre-dissolved in bucket and can monitor in real time
First fluid level controller signal connects, when the first fluid level controller monitors that the liquid level for being pre-dissolved barrel inner liquid medicine is higher than the safe liquid of highest
During position, the first fluid level controller, which can control, closes the first valve；The import phase of the liquid outlet for being pre-dissolved bucket and the second dosing pump
Connection, the outlet of the second dosing pump is connected by the second connecting line with the feed inlet at the top of dosing tank.
Further, aforementioned a kind of boiler drum chemicals dosing plant, wherein：Be additionally provided on the first connecting line also with
The second valve of the first fluid level controller signal connection in bucket is pre-dissolved, when the first fluid level controller monitors to be pre-dissolved a barrel inner liquid medicine
Liquid level be higher than highest safety levels when, the first fluid level controller can also control close the second valve.
Further, aforementioned a kind of boiler drum chemicals dosing plant, wherein：It is provided with to monitor in real time in dosing tank and add
Second fluid level controller of medicine-chest inner liquid medicine liquid level, the second fluid level controller is connect with the second dosing pump signal, when the second liquid level
When the liquid level of monitoring control devices to dosing tank inner liquid medicine is higher than highest safety levels, the second fluid level controller can control stopping second
Dosing pump, when the second fluid level controller monitors that the liquid level of dosing tank inner liquid medicine is less than minimum safe liquid level, the second liquid level control
Device processed, which can control, starts the second dosing pump.
Further, aforementioned a kind of boiler drum chemicals dosing plant, wherein：It is provided with out on the second connecting line
Close the third valve of the second connecting line.
Further, aforementioned a kind of boiler drum chemicals dosing plant, wherein：Charging is provided at the charge door for being pre-dissolved bucket
Bucket.
Through the implementation of the above technical solution, the beneficial effects of the utility model are：It is simple in structure, it is convenient to install and maintain,
Stability in use and safe, can realize 24 hours continuous dosings, the first dosing pump is effectively prevent to be consolidated during dosing
Determine the blocking of tertiary sodium phosphate particle, dosing disruption will not occur again, substantially increase production efficiency.
Description of the drawings
Fig. 1 is a kind of principle schematic diagram of boiler drum chemicals dosing plant described in the utility model.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of boiler drum chemicals dosing plant, including：Bottom discharge mouth is connected with the first dosing pump 1
Dosing tank 2, be provided in the outside of dosing tank 2 and be pre-dissolved bucket 3, the stirring that rotation is driven by motor 4 is provided in bucket 3 is pre-dissolved
Axis 5 on the axle body of agitating shaft 5 is arranged at intervals with several stirrer paddles 6, is provided on the head cover of bucket 3 is pre-dissolved from up to down
Water inlet and charge door are provided with liquid outlet on the top bucket wall for being pre-dissolved bucket 3, and the water inlet for being pre-dissolved bucket 3 is by first
Connecting line 7 is connected with demineralized water water source 8, is provided with to be opened and closed the of the first connecting line 7 on the first connecting line 7
One valve 9, the first valve 9 with positioned at being pre-dissolved in bucket 3 and the first fluid level controller for being pre-dissolved 3 inner liquid medicine liquid level of bucket can be monitored in real time
10 signals connect, when the first fluid level controller 10 monitors that the liquid level for being pre-dissolved 3 inner liquid medicine of bucket is higher than highest safety levels, first
Fluid level controller 10, which can control, closes the first valve 9；The liquid outlet for being pre-dissolved bucket 3 is connected with the import of the second dosing pump 11
Logical, the outlet of the second dosing pump 11 is connected by the second connecting line 12 with the feed inlet at 2 top of dosing tank；In the present embodiment
In, the second valve also being connect with 10 signal of the first fluid level controller being pre-dissolved in bucket 3 is additionally provided on the first connecting line 7
13, when the first fluid level controller 10 monitors that the liquid level for being pre-dissolved 3 inner liquid medicine of bucket is higher than highest safety levels, the first Liquid level
Device 10, which can also control, closes the second valve 13, in this way when any one of the first valve and the second valve valve break down
Afterwards, another valve can also continue to control the opening and closing of the first connecting line, substantially increase the operation stability and safety of equipment
Property；In the present embodiment, the second fluid level controller of 2 inner liquid medicine liquid level of dosing tank can be monitored in real time by being provided in dosing tank 2
14, the second fluid level controller 14 is connect with 11 signal of the second dosing pump, when the second fluid level controller 14 monitors medicine in dosing tank 2
When the liquid level of liquid is higher than highest safety levels, the second fluid level controller 14, which can control, stops the second dosing pump 11, when the second liquid level
When controller 14 monitors that the liquid level of 2 inner liquid medicine of dosing tank is less than minimum safe liquid level, the second fluid level controller 14, which can control, to be opened
Dynamic second dosing pump 11, liquid waste and equipment damage feelings caused by preventing dosing tank inner liquid medicine liquid level too high or too low in this way
The generation of condition further improves operation stability and the safety of equipment；In the present embodiment, on the second connecting line 12
It is provided with to be opened and closed the third valve 15 of the second connecting line 12, in this way when the second dosing failure of pump is without breaking to dosing tank 2
It is interior for liquid when, can be controlled by third valve and close the second connecting line 12, prevent the second dosing failure of pump from continuing to adding
For liquid in medicine-chest 2, operation stability and the safety of equipment are further improved；In the present embodiment, it is being pre-dissolved adding for bucket 3
Feed hopper 16 is provided at material mouth, such reinforcing body tertiary sodium phosphate particle is more convenient；
The operation principle of the utility model is as follows：
Solid phosphoric acid trisodium particle is first pre-dissolved bucket 3 from the addition of feed hopper 16, it then in proportion will be in demineralized water water source 8
Demineralized water is pre-dissolved bucket 3, while start motor 4 from water inlet injection, makes 6 turns of 4 synchronous drive agitating shaft 5 of motor and stirrer paddle
It is dynamic, saturation liquid is thoroughly mixed to form with demineralized water so as to which the solid phosphoric acid being pre-dissolved in bucket 3 three be made to receive particle, then starts second
Dosing pump 11, the second dosing pump 11 are passed through the saturation liquid being pre-dissolved in bucket 3 by being located at the liquid outlet being pre-dissolved on barrel top bucket wall
Second connecting line 12 is pumped to dosing tank 2, and the full liquid of dosing tank 2 is pumped to through the first dosing pump 1 in boiler drum again；By
It can be deposited in the undissolved particle being pre-dissolved in bucket 3 and be pre-dissolved 3 bottom of bucket and be pre-dissolved 3 upper space of bucket without floating on, so that it is guaranteed that
Any solid phosphoric acid trisodium particle is not contained, and then avoid the second dosing pump in the saturation liquid walked through the suction of the second dosing pump 11
11 during medicine is taken out by the generation of solid phosphoric acid trisodium particle clogging；During dosing, when the first fluid level controller
When 10 liquid levels for monitoring to be pre-dissolved 3 inner liquid medicine of bucket are higher than highest safety levels, the first fluid level controller 10 can also control closing the
One valve 9 and the second valve 13 avoid the demineralized water in demineralized water water source 8 from continuing to be passed through and be pre-dissolved bucket 3, and during dosing
After any one of the first valve and the second valve valve break down, another valve can also continue the first connection of control
The opening and closing of pipeline substantially increases operation stability and the safety of equipment；Meanwhile when the second fluid level controller 14 monitors to add
When the liquid level of 2 inner liquid medicine of medicine-chest is higher than highest safety levels, the second fluid level controller 14, which can control, stops the second dosing pump 11, when
When second fluid level controller 14 monitors that the liquid level of 2 inner liquid medicine of dosing tank is less than minimum safe liquid level, the second fluid level controller 14
It can control and start the second dosing pump 11, liquid waste and equipment caused by so as to prevent dosing tank inner liquid medicine liquid level too high or too low
The generation of damaged condition further improves operation stability and the safety of equipment.
The advantages of utility model is：Simple in structure, convenient to install and maintain, stability in use and safe can realize 24
Hour continuous dosing effectively prevent the first dosing pump to be blocked during dosing by fixed tertiary sodium phosphate particle, will not occur again
Dosing disruption, substantially increases production efficiency.
Claims (8)
1. a kind of boiler drum chemicals dosing plant, including：Bottom discharge mouth is connected with the dosing tank of the first dosing pump, and feature exists
In：It is provided in the outside of dosing tank and is pre-dissolved bucket, the agitating shaft by motor-driven rotation is provided in bucket is pre-dissolved, in agitating shaft
Axle body on be arranged at intervals with several stirrer paddles from up to down, water inlet and charge door are provided on the head cover for be pre-dissolved bucket,
Liquid outlet is provided on the top bucket wall for being pre-dissolved bucket, the water inlet for being pre-dissolved bucket passes through the first connecting line and demineralized water water
Source is connected, and is provided with to be opened and closed the first valve of the first connecting line on the first connecting line, the first valve is with being located at
It is pre-dissolved in bucket and the first fluid level controller signal connection for being pre-dissolved barrel inner liquid medicine liquid level can be monitored in real time, when the first fluid level controller
When monitoring that the liquid level for being pre-dissolved barrel inner liquid medicine is higher than highest safety levels, the first fluid level controller, which can control, closes the first valve；
The liquid outlet for being pre-dissolved bucket is connected with the import of the second dosing pump, the outlet of the second dosing pump by the second connecting line with
Feed inlet at the top of dosing tank is connected.
2. a kind of boiler drum chemicals dosing plant according to claim 1, it is characterised in that：It is also set on the first connecting line
The second valve also being connect with the first fluid level controller signal being pre-dissolved in bucket is equipped with, when the first fluid level controller monitors to be pre-dissolved
When the liquid level of bucket inner liquid medicine is higher than highest safety levels, the first fluid level controller, which can also control, closes the second valve.
3. a kind of boiler drum chemicals dosing plant according to claim 1 or 2, it is characterised in that：It is provided in dosing tank
The second fluid level controller of dosing tank inner liquid medicine liquid level can be monitored in real time, and the second fluid level controller and the second dosing pump signal connect
It connects, when the second fluid level controller monitors that the liquid level of dosing tank inner liquid medicine is higher than highest safety levels, the second fluid level controller
It can control and stop the second dosing pump, when the second fluid level controller monitors that the liquid level of dosing tank inner liquid medicine is less than minimum safe liquid level
When, the second fluid level controller, which can control, starts the second dosing pump.
4. a kind of boiler drum chemicals dosing plant according to claim 1 or 2, it is characterised in that：On the second connecting line
It is provided with to be opened and closed the third valve of the second connecting line.
5. a kind of boiler drum chemicals dosing plant according to claim 3, it is characterised in that：It is set on the second connecting line
There is the third valve for being opened and closed the second connecting line.
6. a kind of boiler drum chemicals dosing plant according to claims 1 or 2 or 5, it is characterised in that：In the charging for being pre-dissolved bucket
Feed hopper is provided at mouthful.
7. a kind of boiler drum chemicals dosing plant according to claim 3, it is characterised in that：It is set at the charge door for being pre-dissolved bucket
It is equipped with feed hopper.
8. a kind of boiler drum chemicals dosing plant according to claim 4, it is characterised in that：It is set at the charge door for being pre-dissolved bucket
It is equipped with feed hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721397829.5U CN207596573U (en) | 2017-10-27 | 2017-10-27 | A kind of boiler drum chemicals dosing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721397829.5U CN207596573U (en) | 2017-10-27 | 2017-10-27 | A kind of boiler drum chemicals dosing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207596573U true CN207596573U (en) | 2018-07-10 |
Family
ID=62755942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721397829.5U Active CN207596573U (en) | 2017-10-27 | 2017-10-27 | A kind of boiler drum chemicals dosing plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN207596573U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640832A (en) * | 2017-10-27 | 2018-01-30 | 江苏永钢集团有限公司 | A kind of boiler-steam dome chemicals dosing plant |
| CN110201564A (en) * | 2019-04-08 | 2019-09-06 | 华电电力科学研究院有限公司 | Locking device and locking method in a kind of boiler drum medicine system |
-
2017
- 2017-10-27 CN CN201721397829.5U patent/CN207596573U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640832A (en) * | 2017-10-27 | 2018-01-30 | 江苏永钢集团有限公司 | A kind of boiler-steam dome chemicals dosing plant |
| CN110201564A (en) * | 2019-04-08 | 2019-09-06 | 华电电力科学研究院有限公司 | Locking device and locking method in a kind of boiler drum medicine system |
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