CN214936438U - Piston type powder adding device for mechanical acceleration clarification tank - Google Patents
Piston type powder adding device for mechanical acceleration clarification tank Download PDFInfo
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- CN214936438U CN214936438U CN202120520961.0U CN202120520961U CN214936438U CN 214936438 U CN214936438 U CN 214936438U CN 202120520961 U CN202120520961 U CN 202120520961U CN 214936438 U CN214936438 U CN 214936438U
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Abstract
The utility model discloses a piston powder feeding device for mechanical acceleration clarification tank, include: the device comprises a compressed air tank, a variable-frequency piston type powder feeder and a mechanical accelerated clarification tank; the compressed air tank is communicated with the mixing box through a connecting pipeline; the inlet of the variable-frequency piston type powder feeder is connected with a lime silo, the outlet of the variable-frequency piston type powder feeder is communicated with a mixing box, and the outlet of the mixing box is communicated with the mechanical accelerated clarification tank through a connecting pipeline. The utility model discloses a frequency conversion piston advances whitewashed ware and adds the mixing box with quantitative lime powder, and cooperation compressed air jar injected air, then with the air-mixing back, add mechanical accelerating clarifier anti-pond, realize that mechanical accelerating clarifier ration throws lime powder, add through air-mixing lime powder, because the on-the-spot compressed air of power plant spreads all over each system of whole factory, need not newly-increased equipment such as air compressor machine again, has reduced equipment such as lime breast pump, lime batch meter, washing water pump simultaneously.
Description
Technical Field
The utility model relates to a clarification tank adds lime technical field, especially relates to a piston powder adding device that is used for machinery to accelerate clarification tank.
Background
The inlet water of the mechanical accelerated clarification tank of the circulating cooling water treatment machine of the thermal power plant comprises make-up water (surface water and urban reclaimed water) of the whole plant and circulating water by-pass water, wherein the alkalinity of the make-up water is mainly caused by bicarbonate, carbonate and hydroxide, wherein the bicarbonate is the main form of the alkalinity of the water, accounts for more than 90 percent and is also a main factor for judging whether equipment of a circulating water system is scaled. In order to prevent equipment of the circulating cooling water system from scaling, the content of bicarbonate in water can be effectively removed through mechanical acceleration of lime addition treatment of a clarification tank, safe operation of the circulating cooling water system under high concentration ratio is ensured, and deep water conservation of a thermal power plant is realized.
At present, a lime powder is added into a metering box of a circulating cooling water mechanical accelerated clarification tank and mixed with water to form lime milk, and then the lime milk is added into the mechanical accelerated clarification tank through a lime milk pump, so that the lime milk dosing pump and a lime milk pipeline are blocked frequently; excessive lime powder is added in part of time periods, so that more concentrated sulfuric acid is added into effluent, and lime powder and concentrated sulfuric acid agents are wasted; the lime powder adding amount is small in part of time periods, so that the alkalinity of the outlet water is large, and the circulating cooling water has scaling risk; when the lime powder feeding amount is unqualified, the mechanical acceleration clarification tank is easily turned over, the effluent quality is unqualified, and the safe operation of the circulating cooling water system is influenced.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a piston type powder adding device for a mechanical acceleration clarification tank, which is characterized in that quantitative lime powder is added into a mixing tank through a variable-frequency piston type powder feeder, air is injected into the mixing tank in cooperation with a compressed air tank, and then the mixture is added into a reverse tank of the mechanical acceleration clarification tank after being mixed with the air, so that the quantitative lime powder adding of the mechanical acceleration clarification tank is realized, the on-site compressed air of a power plant is distributed in each system of the whole plant, and no additional air compressor and other equipment is needed, so that equipment such as a lime milk pump, a lime metering tank, a flushing water pump and the like is reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a piston-type powdering device for a mechanically accelerated clarifier, comprising: the device comprises a compressed air tank, a variable-frequency piston type powder feeder and a mechanical accelerated clarification tank;
the compressed air tank is communicated with the mixing box through a connecting pipeline;
the inlet of the variable-frequency piston type powder feeder is connected with a lime silo, the outlet of the variable-frequency piston type powder feeder is communicated with a mixing box, and the outlet of the mixing box is communicated with the mechanical accelerated clarification tank through a connecting pipeline.
As a further description of the above technical solution:
the variable-frequency piston type powder feeder comprises a piston cylinder, the piston cylinder is respectively communicated with a lime silo and a mixing box, a piston mechanism is movably embedded in the piston cylinder, an electric control telescopic rod is further fixed on the outer side of the piston cylinder, and the movable end of the electric control telescopic rod is connected with the piston mechanism through a connecting frame.
As a further description of the above technical solution:
the mixing box is internally and rotatably provided with a mixing stirrer for mixing the lime powder and the air.
As a further description of the above technical solution:
still include drive mechanism, drive mechanism transmission is connected between link and mixing agitator, and drive mechanism is assembled and is worked as when automatically controlled telescopic link drive piston mechanism reciprocating motion supplies powder time synchronous drive mixing agitator to rotate.
As a further description of the above technical solution:
the transmission mechanism comprises an adjusting toothed bar and a transmission gear box, the adjusting toothed bar is horizontally fixed on the connecting frame, and the transmission gear box is used for converting the reciprocating drive of the adjusting toothed bar to drive the mixing stirrer to rotate.
As a further description of the above technical solution:
the inside both sides of transmission gear box rotate respectively and are provided with rotating gear and belt pulley, it meshes with the regulation ratch mutually to rotate rotating gear, rotating gear and belt pulley pass through the drive chain transmission and are connected, and the belt pulley still is connected with the center pin transmission of mixing the agitator through driving belt.
As a further description of the above technical solution:
and a first check valve is arranged in the joint pipe of the piston cylinder and the lime silo.
As a further description of the above technical solution:
and a second check valve is arranged in the joint pipe of the piston cylinder and the mixing box.
As a further description of the above technical solution:
and a first manual door and a pressure reducing valve are arranged on a connecting pipeline of the compressed air tank and the mixing box.
As a further description of the above technical solution:
and a second manual door is arranged on a connecting pipeline of the mixing box and the mechanical accelerated clarification tank.
The utility model provides a piston powder adding device for a mechanical accelerating clarification tank. The method has the following beneficial effects:
(1): this a piston powder adding device cooperation for mechanical acceleration clarifier is through frequency conversion piston powder feeder with quantitative lime powder add mixing box, cooperation compressed air tank injected air, then with air mixing back, add mechanical acceleration clarifier anti-pond, realize that mechanical acceleration clarifier ration is thrown lime powder, add through air mixing lime powder, because the on-the-spot compressed air of power plant spreads all over each system of whole factory, need not newly-increased equipment such as air compressor machine again, lime breast pump has been reduced simultaneously, the lime batch meter, equipment such as washing water pump, and can prevent the problem of jam.
(2): this a piston powder adding device for mechanical acceleration clarification tank passes through drive mechanism's cooperation for the inside mixing stirrer of synchronous drive mixing box rotates when frequency conversion piston advances powder ware and supplies with lime powder to mixing box inside, and frequency conversion piston advances powder ware frequency control, and when the powder volume was advanced in the control, the adaptability was adjusted mixing stirrer rotation simultaneously, makes lime powder and air mixing more even, and convenient to use improves work efficiency.
(3): this a piston powder adding device equipment for mechanical acceleration clarification tank operates normally, is difficult for breaking down, goes out water basicity and turbidity stability, qualified, does not take place to turn over the pond condition, ensures the safe and stable operation of recirculated cooling water processing system.
Drawings
Fig. 1 is a schematic view of the overall structure of a piston type powder adding device for a mechanical accelerated clarification tank provided by the present invention;
FIG. 2 is a schematic structural view of the middle frequency conversion piston type powder feeder of the present invention;
fig. 3 is a schematic structural diagram of the middle transmission mechanism of the present invention.
Illustration of the drawings:
1. a compressed air tank; 2. a mixing box; 21. a mixing agitator; 3. a lime silo; 4. a variable frequency piston type powder feeder; 41. a piston cylinder; 411. a first check valve; 412. a second check valve; 42. a piston mechanism; 43. an electric control telescopic rod; 44. a connecting frame; 45. adjusting the rack bar; 46. a transmission mechanism; 461. a transmission gear box; 462. a rotating gear; 463. a belt pulley; 464. a drive chain; 465. a drive belt; 5. a mechanical accelerated clarification tank; 6. a first manual door; 7. a pressure reducing valve; 8. a second manual door.
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. 1-3, a piston-type powdering device for a mechanical acceleration clarifier includes: a compressed air tank 1, a variable frequency piston type powder feeder 4 and a mechanical accelerated clarification tank 5;
the compressed air tank 1 is communicated with the mixing box 2 through a connecting pipeline, and the gas pressure in the compressed air tank 1 is about 0.8 MPa;
the inlet of the variable-frequency piston type powder feeder 4 is connected with a lime silo 3, the outlet of the variable-frequency piston type powder feeder 4 is communicated with the mixing box 2, and the outlet of the mixing box 2 is communicated with the mechanical accelerated clarification tank 5 through a connecting pipeline.
The embodiment provides a piston powder adding device for mechanical acceleration clarifier, a be used for preventing recirculated cooling water system equipment scale deposit, add lime through mechanical acceleration clarifier and handle, can effectively get rid of the content of aquatic bicarbonate, ensure safe operation under the higher concentration ratio of recirculated cooling water system, realize the degree of depth water conservation of thermal power plant, in use, 1 inside compressed air of compressed air jar flows through mixing box 2, advance powder ware 4 through frequency conversion piston, with lime powder ration addition mixing box 2 of storing in the lime silo 3, after mixing with the air, add mechanical acceleration clarifier 5 reaction, realize that 5 ration of mechanical acceleration clarifier are thrown into lime powder, the main reaction equation of throwing out of lime factory is:
Ca(HCO3)2+Ca(OH)2＝2CaCO3↓+2H20
Mg(HCO3)2+Ca(OH)2＝MgCO3↓+CaCO3↓+2H20
add mixing box 2 with quantitative lime powder through frequency conversion piston formula powder feeder 4, cooperation compressed air jar 1 pours into the air into, lime powder and air mixing back, add mechanical acceleration clarifier 5 reaction, realize that mechanical acceleration clarifier 5 ration throws lime powder into, add through air mixing lime powder, because the on-the-spot compressed air of power plant spreads all over each system of whole factory, need not newly-increased equipment such as air compressor machine again, reduced equipment such as lime breast pump, the lime batch meter, wash water pump simultaneously, and can prevent the problem of jam.
The variable-frequency piston type powder feeder 4 comprises a piston cylinder 41, the piston cylinder 41 is respectively communicated with the lime silo 3 and the mixing box 2, a piston mechanism 42 is movably embedded in the piston cylinder 41, an electric control telescopic rod 43 is further fixed on the outer side of the piston cylinder 41, and the movable end of the electric control telescopic rod 43 is connected with the piston mechanism 42 through a connecting frame 44. The piston mechanism 42 includes a piston slidably disposed in the piston cylinder 41 and a connecting rod, and the connecting rod is connected to the connecting frame 44 at one end outside the piston cylinder 41. Specifically, the adding of the lime powder by the variable-frequency piston type powder feeder 4 is that the piston mechanism 42 is driven to reciprocate in the piston cylinder 41 by the electric control telescopic rod 43 in cooperation with the connecting frame 44, and when the piston mechanism 42 is pulled out, the lime powder of the lime silo 3 is sucked into the piston cylinder 41; when the piston mechanism 42 is pushed in, lime powder is added into the mixing box 2; the powder feeding amount is controlled by adjusting the frequency of the variable frequency piston type powder feeder 4.
The inside of mixing box 2 rotates and is provided with and is used for carrying out the mixing agitator 21 that mixes usefulness with lime powder and air, and mixing box 2 provides the mixing space for the compressed air of compressed air tank 1 output and the lime powder that frequency conversion piston formula powder feeder 4 was injected, and mixing agitator 21 is used for assisting and mixes compressed air and lime powder.
The powder mixing device further comprises a transmission mechanism 46, the transmission mechanism 46 is in transmission connection between the connecting frame 44 and the mixing stirrer 21, the transmission mechanism 46 is assembled to synchronously drive the mixing stirrer 21 to rotate when the electric control telescopic rod 43 drives the piston mechanism 42 to reciprocate for supplying powder, the transmission mechanism 46 comprises an adjusting toothed rod 45 and a transmission gear box 461, the adjusting toothed rod 45 is horizontally fixed on the connecting frame 44, the adjusting toothed rod 45 movably penetrates through the transmission gear box 461, the horizontal reciprocating motion of the adjusting toothed rod 45 is used for power input of the transmission gear box 461, the transmission gear box 461 is used for converting the reciprocating drive of the adjusting toothed rod 45 to drive the mixing stirrer 21 to rotate, the transmission gear box 461 is fixed at the bottom of the piston cylinder 41, a rotating gear 462 and a belt pulley 463 are respectively and rotatably arranged at two sides inside the transmission gear box 461, the rotating gear 462 is meshed with the adjusting toothed rod 45, and the rotating gear 462 and the belt pulley 463 are in transmission connection through a transmission chain 464, and pulley 463 is also drivingly connected to the central shaft of the mixing agitator 21 by a drive belt 465.
Concretely, when automatically controlled telescopic link 43 cooperation link 44 drives piston mechanism 42 reciprocating motion in piston cylinder 41, link 44 drives the reciprocal horizontal migration of regulation rack bar 45 in step, meeting synchronous drive rotating gear 462 rotates when adjusting the reciprocal horizontal migration of rack bar 45, rotating gear 462 drives belt pulley 463 through drive chain 464 and rotates, belt pulley 463 drives mixing agitator 21 through drive belt 465 and rotates, make frequency conversion piston formula advance powder ware 4 to 2 inside mixing agitator 21 rotations of synchronous drive mixing box 2 of supplying with lime powder of mixing box, and frequency conversion piston formula advances powder ware 4 frequency control, when the control advances the powder volume, adaptability adjusts mixing agitator 21 slew velocity simultaneously, make lime powder and air mixing more even, high durability and convenient use, and the work efficiency is improved.
A first check valve 411 is arranged in a joint pipe of the piston cylinder 41 and the lime silo 3. The second check valve 412 is built in the joint pipe between the piston cylinder 41 and the mixing tank 2. A first manual door 6 and a pressure reducing valve 7 are arranged on a connecting pipeline between the compressed air tank 1 and the mixing box 2. A second manual door 8 is arranged on a connecting pipeline between the mixing box 2 and the mechanical accelerated clarification tank 5. By adjusting the pressure reducing valve 7, the air flow and the mixing tank 2 pressure can be controlled.
The working principle is as follows: when the piston type powder adding device for the mechanical accelerating clarifier is used, compressed air in the compressed air tank 1 flows through the mixing box 2, the electric control telescopic rod 43 on the variable-frequency piston type powder feeder 4 is matched with the connecting frame 44 to drive the piston mechanism 42 to reciprocate in the piston cylinder 41, and when the piston mechanism 42 is pulled out, lime powder of the lime silo 3 is sucked into the piston cylinder 41; when the piston mechanism 42 is pushed, lime powder is added into the mixing box 2, mixed with air and added into the mechanical acceleration clarification tank 5 for reaction.
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 (10)
1. A piston-type powder adding device for a mechanical acceleration clarification tank is characterized by comprising: a compressed air tank (1), a variable-frequency piston type powder feeder (4) and a mechanical accelerated clarification tank (5);
the compressed air tank (1) is communicated with the mixing box (2) through a connecting pipeline;
the inlet of the variable-frequency piston type powder feeder (4) is connected with a lime silo (3), the outlet of the variable-frequency piston type powder feeder (4) is communicated with the mixing box (2), and the outlet of the mixing box (2) is communicated with the mechanical accelerated clarification tank (5) through a connecting pipeline.
2. The piston type powder adding device for the mechanical acceleration clarification tank according to claim 1, characterized in that the variable frequency piston type powder feeder (4) comprises a piston cylinder (41), the piston cylinder (41) is respectively communicated with the lime silo (3) and the mixing tank (2), a piston mechanism (42) is movably embedded in the piston cylinder (41), an electric control telescopic rod (43) is further fixed on the outer side of the piston cylinder (41), and the movable end of the electric control telescopic rod (43) is connected with the piston mechanism (42) through a connecting frame (44).
3. Piston-type powdering device for a mechanically accelerated clarifier according to claim 1, characterized in that the interior of the mixing tank (2) is rotatably provided with a mixing agitator (21) for mixing lime powder with air.
4. The piston-type powder adding device for the mechanical acceleration clarification tank according to claim 2, characterized in that, the device further comprises a transmission mechanism (46), the transmission mechanism (46) is connected between the connecting frame (44) and the mixing stirrer (21) in a transmission way, and the transmission mechanism (46) is assembled to synchronously drive the mixing stirrer (21) to rotate when the electric control telescopic rod (43) drives the piston mechanism (42) to reciprocate for supplying powder.
5. The piston-type powdering device for a mechanical accelerated clarifier of claim 4, wherein the transmission mechanism (46) comprises an adjusting rack bar (45) and a transmission gear box (461), the adjusting rack bar (45) is horizontally fixed on the connecting frame (44), and the transmission gear box (461) is used for converting the reciprocating drive of the adjusting rack bar (45) to drive the mixing agitator (21) to rotate.
6. The piston type powder adding device for the mechanical acceleration clarification tank according to claim 5, characterized in that the two sides of the interior of the transmission gear box (461) are respectively provided with a rotating gear (462) and a belt pulley (463) in a rotating way, the rotating gear (462) is meshed with the adjusting gear rod (45), the rotating gear (462) and the belt pulley (463) are in transmission connection through a transmission chain (464), and the belt pulley (463) is also in transmission connection with the central shaft of the mixing agitator (21) through a transmission belt (465).
7. The piston type powder adding device for the mechanical accelerated clarifier of claim 1, characterized in that the interface tube of the piston cylinder (41) and the lime silo (3) is internally provided with a first check valve (411).
8. The piston-type powder adding device for the mechanical accelerated clarifier of claim 1, characterized in that the second check valve (412) is arranged in the joint pipe of the piston cylinder (41) and the mixing box (2).
9. The piston-type powdering device for a mechanical accelerated clarifier of claim 1, wherein a first manual door (6) and a pressure reducing valve (7) are provided on a connection pipe of the compressed air tank (1) and the mixing tank (2).
10. The piston-type powdering device for a mechanical accelerated clarifier of claim 1, wherein a second manual door (8) is provided on a connection pipeline between the mixing tank (2) and the mechanical accelerated clarifier (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120520961.0U CN214936438U (en) | 2021-03-12 | 2021-03-12 | Piston type powder adding device for mechanical acceleration clarification tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120520961.0U CN214936438U (en) | 2021-03-12 | 2021-03-12 | Piston type powder adding device for mechanical acceleration clarification tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214936438U true CN214936438U (en) | 2021-11-30 |
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ID=79118748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120520961.0U Active CN214936438U (en) | 2021-03-12 | 2021-03-12 | Piston type powder adding device for mechanical acceleration clarification tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214936438U (en) |
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2021
- 2021-03-12 CN CN202120520961.0U patent/CN214936438U/en active Active
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