CN202226707U - Connection structure for lime medicine feeding pipe of water treatment equipment - Google Patents
Connection structure for lime medicine feeding pipe of water treatment equipment Download PDFInfo
- Publication number
- CN202226707U CN202226707U CN2011202911472U CN201120291147U CN202226707U CN 202226707 U CN202226707 U CN 202226707U CN 2011202911472 U CN2011202911472 U CN 2011202911472U CN 201120291147 U CN201120291147 U CN 201120291147U CN 202226707 U CN202226707 U CN 202226707U
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- CN
- China
- Prior art keywords
- lime
- valve
- medicine feeding
- feed pipe
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a connection structure for a lime medicine feeding pipe of water treatment equipment. The connection structure comprises the medicine feeding pipe communicating an acidic wastewater neutralization pool and a lime dissolving pool in such a manner that the medicine feeding pipe is led out from the lime dissolving pool, led to the inlet of a medicine feeding pump through a medicine inlet valve, led out from the outlet of the medicine feeding pump, led to the acidic wastewater neutralization pool and a connection reversed flow branch between an outlet valve and a pneumatic valve after passing through a check valve, the outlet valve and the pneumatic valve sequentially, and is led to the lime dissolving pool through a pressure protection valve. The utility model has the advantages that the material consumption as well as the workload during engineering mounting are reduced, so as to reduce the cost; as the length of a pipeline is shortened, the pressure loss is reduced, that is, the energy consumption is reduced; the medicine feeding pump with lower power can be used; and the possibility of lime deposition for blocking the pipeline also can be lowered. The utility model further has the advantages that the control is convenient; the work efficiency of personnel is improved; and the lime adding effect can be achieved better.
Description
Technical field
The utility model relates to a kind of pipe connecting method, specifically is a kind of syndeton of lime dosing pipe, and this syndeton has guaranteed the safety of pipeline, is applicable to online adding in the big pipeline of dose.
Background technology
At present; The connection of conventional lime dosing pipe all adopts the pipeline reflux type to add lime; The mode of connection of traditional lime chemical feed pipe is: after chemical feed pipe is drawn by the lime dissolving tank, successively through advancing the medicine valve, vacuum breaker, dosing pump, vacuum breaker, outlet valve, operated pneumatic valve to acid waste water neutralization tank; From taking back the stream branch road near the operated pneumatic valve front end, this branch road is through manual return valve to lime dissolving tank again.The quantity of reflux that the hand-driven return-flow valve gate open is overregulated lime guarantees ducted pressure, and is relevant with Several Factors because of ducted pressure, so reverse flow valve needs regular adjusting size to guarantee the dose that adds of lime, also will prevent the explosion of lime pipeline simultaneously.This mode be connected with following shortcoming: the one, the loss pipe when especially distance is distant, has been equivalent to use one times pipeline more, has not only increased the cost of pipeline but also the workload when having increased the pressure loss of pipeline and connection being installed; The 2nd, the increase of duct length has caused hydraulic loss, has increased energy consumption, and causes deposition and the blocking pipe of lime easily; The 3rd, the increase of duct length causes the increase of pipeline pressure, causes the booster of lime pipeline easily, increases the expense and the difficulty of maintenance.
The utility model content
It is normal pipeline booster and the lime line clogging problem that occurs in the lime dosing process that the utility model problem to be solved provides the utility model technical problem to be solved.
The syndeton of lime chemical feed pipe in the described water treating equipment of the utility model; Comprise the chemical feed pipe that is communicated with between acid waste water neutralization tank and the lime dissolving tank; The order of connection of said chemical feed pipe is: drawn by the lime dissolving tank, enter the mouth through advancing medicine valve to dosing pump; Chemical feed pipe is drawn by the dosing pump outlet again, and successively through vacuum breaker, outlet valve, pneumavalve to acid waste water neutralization tank, the connection backflow branch road between outlet valve and pneumavalve is through pressure protection valve to lime dissolving tank.
As the improvement of the utility model, on the chemical feed pipe that advances between medicine valve to the dosing pump inlet, insert water supply pipe and running water valve thereof, be used for the cleaning of pipeline.
The working process of the utility model is, dosing pump promotes lime to acid waste water neutralization tank, through the switch of on-line monitoring instrument control operated pneumatic valve, adds in an amount of lime acidity with waste water.Ducted pressure can rise after operated pneumatic valve is closed, and after reaching certain pressure, the pressure protection valve on the backflow branch road can be opened automatically and carry out pressure release, guarantees that ducted pressure can be not too high, has also protected pipeline to avoid booster simultaneously.
The utility model has reduced the use of material and the workload in the project installation, has reduced cost; Owing to shortened duct length, reduced pressure loss, promptly reduced energy consumption, can use lower-powered dosing pump, also reduced possibility because of the lime precipitation blocking pipe.Simultaneously, the utility model control is convenient, has improved personnel's working efficiency, can better reach the effect that adds lime.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Like Fig. 1; The syndeton of lime chemical feed pipe in the described water treating equipment of the utility model; The lime chemical feed pipe is used to connect acid waste water neutralization tank 8 and lime dissolving tank 9, and the order of connection of chemical feed pipe is: drawn by lime dissolving tank 9, enter the mouth through advancing medicine valve 1 to dosing pump; On the chemical feed pipe that advances between medicine valve 1 to dosing pump 7 inlets, insert water supply pipe and running water valve 2 thereof.Chemical feed pipe is drawn by dosing pump 7 outlets again, and successively through vacuum breaker 3, outlet valve 4, pneumavalve 5 to acid waste water neutralization tank 8, backflow branch road of the connection between outlet valve 4 and pneumavalve 5 is through pressure protection valve 7 to lime dissolving tank 9.
This mode only connects needs, and will to protect the pressure of valve to configure just passable, saved loaded down with trivial details operation, also prevented the explosion of pipeline.Dosing pump needs running always when treatment of acidic wastewater, in pipeline, pumps into lime, the switch that adds the detection control operated pneumatic valve that leans against the line instrument of lime in the acid waste water neutralization tank 8; Pneumavalve 5 is opened when acidity is excessive, and the lime pump can directly pump into lime in neutralization tank, when amount of lime fills up or be excessive; Pneumavalve 5 will cut out automatically, and this moment, the pressure of pipeline will raise gradually, caused pipeline pressure excessive; When reaching setup pressure value, pressure protection valve 7 will be opened pressure release automatically, prevents pipeline burst to guarantee ducted pressure; When ducted hypotony; Pressure protection valve 7 is closed automatically, guarantees the pressure of lime current in the pipeline, can in neutralization tank, add lime fast.
The lime reflux line of the utility model adopts a kind of mode of connection of pressurize, both can guarantee the dosage of lime, the safety of pipeline, and the length that simultaneously also can save pipeline, the usage quantity of having saved pipe has reduced the workload of installation and maintenance again.Owing to adopt straight tube to connect, only need single pipeline to connect, pressurize valve that in addition can auto-switch on the reflux line; Guarantee ducted pressure within the specific limits, when ducted pressure surpassed setting pressure, valve was opened pressure release automatically; The safety of protection pipeline; The backflow pressure retaining valve is located at the lime pump discharge, and the lime that refluxes is inserted Calcified pond or lime pump inlet, has saved pipeline.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement, these improve the protection domain that also should be regarded as the utility model.
Claims (2)
1. the syndeton of lime chemical feed pipe in the water treating equipment; Comprise the chemical feed pipe that is communicated with between acid waste water neutralization tank (8) and the lime dissolving tank (9); The order of connection that it is characterized in that said chemical feed pipe is: drawn by lime dissolving tank (9), enter the mouth through advancing medicine valve (1) to dosing pump (7); Chemical feed pipe is drawn by dosing pump (7) outlet again; Successively through vacuum breaker (3), outlet valve (4), pneumavalve (5) to acid waste water neutralization tank (8); Between outlet valve (4) and pneumavalve (5), connect the backflow branch road, through pressure protection valve (6) to lime dissolving tank (9).
2. the syndeton of lime chemical feed pipe in the water treating equipment according to claim 1 is characterized in that on the chemical feed pipe that advances between medicine valve (1) to the dosing pump inlet, inserting water supply pipe and running water valve (2) thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202911472U CN202226707U (en) | 2011-08-11 | 2011-08-11 | Connection structure for lime medicine feeding pipe of water treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202911472U CN202226707U (en) | 2011-08-11 | 2011-08-11 | Connection structure for lime medicine feeding pipe of water treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202226707U true CN202226707U (en) | 2012-05-23 |
Family
ID=46077306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202911472U Withdrawn - After Issue CN202226707U (en) | 2011-08-11 | 2011-08-11 | Connection structure for lime medicine feeding pipe of water treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202226707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276044A (en) * | 2011-08-11 | 2011-12-14 | 无锡市新都环保科技有限公司 | Connection structure for lime feeding tube in water treatment equipment |
-
2011
- 2011-08-11 CN CN2011202911472U patent/CN202226707U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276044A (en) * | 2011-08-11 | 2011-12-14 | 无锡市新都环保科技有限公司 | Connection structure for lime feeding tube in water treatment equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20130522 |
|
| RGAV | Abandon patent right to avoid regrant |