CN208732666U - A kind of ammonia still automatic alkali adding device - Google Patents
A kind of ammonia still automatic alkali adding device Download PDFInfo
- Publication number
- CN208732666U CN208732666U CN201820908595.4U CN201820908595U CN208732666U CN 208732666 U CN208732666 U CN 208732666U CN 201820908595 U CN201820908595 U CN 201820908595U CN 208732666 U CN208732666 U CN 208732666U
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- ammonia
- pipeline
- heat exchanger
- distilled
- wastewater
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Abstract
The utility model is a kind of ammonia still automatic alkali adding device, ammonia still process tower bottom is equipped with distilled ammonia wastewater pipeline a, remained ammonia pipeline a and distilled ammonia wastewater pipeline a are plugged on heat exchanger a, and the distilled ammonia wastewater of the remained ammonia in remained ammonia pipeline a and distilled ammonia wastewater pipeline a are in heat exchanger a internal heat；Ammonia still side is equipped with liquid caustic soda tank, liquid caustic soda tank passes through liquid alkaline pipeline and remained ammonia piping connection ammonia still, liquid alkaline pipeline is equipped with metering pump, installation and adjustment valve after metering pump, remained ammonia pipeline b is connected on heat exchanger a, distilled ammonia wastewater one end pipeline b connect heat exchanger a, the other end connect heat exchanger b, and between be additionally provided with waste water pump；The other end of distilled ammonia wastewater pipeline b connection heat exchanger b is arranged in the probe of PH meter；Reflux line a is connected on distilled ammonia wastewater pipeline b to waste water pump front, and valve is installed on reflux line a；PH counts front and installs filter.Being operable to property of the utility model is strong, and structure is simple.
Description
Technical field
The utility model relates to ammonia still plus alkali technical field, in particular to a kind of ammonia still automatic alkali adding device.
Background technique
The dosage for manually adjusting liquid alkaline in industrial production as shown in Figure 1 according to the pH value of distilled ammonia wastewater, due to remaining ammonia
Water flow fluctuation is larger, therefore the dosage of liquid alkaline needs frequently to adjust the pH value for being just able to satisfy distilled ammonia wastewater, if adjusted not
In time, distilled ammonia wastewater, which enters dephenolize system, will affect wastewater treatment efficiency.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of ammonia still automatic alkali adding devices, specifically
Technical solution is as follows:
A kind of ammonia still automatic alkali adding device, ammonia still process tower bottom are equipped with distilled ammonia wastewater pipeline a, remained ammonia pipeline a and steaming
Ammonia waste water pipeline a is plugged on heat exchanger a, and the ammonia still process of the remained ammonia in remained ammonia pipeline a and distilled ammonia wastewater pipeline a are useless
Water is in heat exchanger a internal heat；Ammonia still side is equipped with liquid caustic soda tank, and liquid caustic soda tank passes through liquid alkaline pipeline and remained ammonia piping connection
Ammonia still, liquid alkaline pipeline are equipped with metering pump, installation and adjustment valve after metering pump, and remained ammonia pipeline b is connected on heat exchanger a,
Distilled ammonia wastewater one end pipeline b connect heat exchanger a, the other end connect heat exchanger b, and between be additionally provided with waste water pump；The probe of PH meter
The other end of distilled ammonia wastewater pipeline b connection heat exchanger b is set；Reflux line a is connected on distilled ammonia wastewater pipeline b to waste water pump
Valve is installed on reflux line a in front；PH counts front and installs filter.
A kind of working principle of ammonia still automatic alkali adding device is as follows: the distilled ammonia wastewater and remaining ammonia that ammonia still process tower bottom comes out
Water flows to heat exchanger a together, in heat exchanger internal heat；After liquid alkaline mixing in remained ammonia and liquid caustic soda tank after heating
Into ammonia still, the heat of steam releases the ammonia in remained ammonia from ammonium hydroxide, obtains ammonia in ammonia still process column overhead and steams
The mixture of vapour and water vapour obtains distilled ammonia wastewater in ammonia still tower bottom；Enter with the distilled ammonia wastewater a after remained ammonia a heat exchange
The probe of heat exchanger b, pH meter are arranged on the pipeline of distilled ammonia wastewater b, and dephenolize system is sent to after circulating water cooling and is handled；
The pipeline a is plugged on outer chamber one end, and deeply a part, and pipeline b is plugged on the other end of outer chamber, and is lower than pipeline a
It is plugged on the position on outer chamber；A reflux line a is met at distilled ammonia wastewater pipeline b, is connected to waste water pump front, using useless
The pressure that water is originally crossed makes distilled ammonia wastewater flow back, and plays the role of cooling, valve is installed on reflux line a, for adjusting ammonia still process
The regurgitant volume of waste water b installs filter device in PH meter front.
The utility model has the beneficial effects that the technical solution of the utility model is simple to manufacture, it is easy to accomplish, solve industry
PH value in production according to distilled ammonia wastewater manually adjusts the dosage of liquid alkaline, since remained ammonia flowed fluctuation is larger, liquid
The dosage of alkali needs frequently to adjust the pH value for being just able to satisfy distilled ammonia wastewater, if adjusted not in time, distilled ammonia wastewater enters dephenolize
System will affect the problem of wastewater treatment efficiency.Therefore there is significant economic benefit using this structure.
Detailed description of the invention
Fig. 1 is ammonia still adder-subtractor structure schematic diagram；
Fig. 2 is a kind of ammonia still automatic alkali adding apparatus structure schematic diagram.
In figure, 1. ammonia still, 2. distilled ammonia wastewater pipeline a, 3. 4. heat exchanger a of remained ammonia pipeline a, 5. liquid caustic soda tank 6.
7. metering pump of liquid alkaline pipeline, 8. regulating valve, 9. 10. heat exchanger b of distilled ammonia wastewater pipeline b, 11. waste water pump 12.PH is counted 13. times
14. filter of flow tube road a.
Specific embodiment
A kind of ammonia still automatic alkali adding device as shown in Figure 2,1 bottom of ammonia still are equipped with distilled ammonia wastewater pipeline a2, remaining ammonia
Water lines a3 and distilled ammonia wastewater pipeline a2 are plugged on heat exchanger a4, the remained ammonia and distilled ammonia wastewater in remained ammonia pipeline a3
The distilled ammonia wastewater of pipeline a2 is in heat exchanger a4 internal heat；1 side of ammonia still is equipped with liquid caustic soda tank 5, and liquid caustic soda tank 5 passes through liquid alkaline pipeline
6 connect ammonia still 1 with remained ammonia pipeline 3, and liquid alkaline pipeline 6 is equipped with metering pump 7, and installation and adjustment valve 8 after metering pump 7 is remaining
Ammonium hydroxide pipeline b15 is connected on heat exchanger a4, and distilled ammonia wastewater one end pipeline b9 connects heat exchanger a4, and the other end connects heat exchanger
B10, and between be additionally provided with waste water pump 11；The another of distilled ammonia wastewater pipeline b9 connection heat exchanger b10 is arranged in the probe of PH meter 12
End；Reflux line a13 is connected on distilled ammonia wastewater pipeline b9 to 11 front of waste water pump, and valve is installed on reflux line a13；PH meter 12
Front is installed by filter 14.
A kind of working principle of ammonia still automatic alkali adding device is as follows: the distilled ammonia wastewater and remaining ammonia that ammonia still process tower bottom comes out
Water flows to heat exchanger a together, in heat exchanger internal heat；After liquid alkaline mixing in remained ammonia and liquid caustic soda tank after heating
Into ammonia still, the heat of steam releases the ammonia in remained ammonia from ammonium hydroxide, obtains ammonia in ammonia still process column overhead and steams
The mixture of vapour and water vapour obtains distilled ammonia wastewater in ammonia still tower bottom；Enter with the distilled ammonia wastewater a after remained ammonia a heat exchange
Heat exchanger b is sent to dephenolize system after circulating water cooling and is handled.The pipeline of distilled ammonia wastewater b is arranged in the probe of PH meter
On, it is sent to dephenolize system after circulating water cooling and is handled；The pipeline a is plugged on outer chamber one end, and deeply a part,
Pipeline b is plugged on the other end of outer chamber, and is plugged on the position on outer chamber lower than pipeline a；At distilled ammonia wastewater pipeline b
A reflux line a is met, waste water pump front is connected to, so that distilled ammonia wastewater is flowed back using the pressure that waste water is originally crossed, plays cooling
Effect, installs valve on reflux line a, for adjusting the regurgitant volume of distilled ammonia wastewater b, installs filter device in PH meter front.
Claims (1)
1. a kind of ammonia still automatic alkali adding device, it is characterised in that: ammonia still process tower bottom is equipped with distilled ammonia wastewater pipeline a, remained ammonia
Pipeline a and distilled ammonia wastewater pipeline a are plugged on heat exchanger a, the remained ammonia in remained ammonia pipeline a and distilled ammonia wastewater pipeline a
Distilled ammonia wastewater in heat exchanger a internal heat；Ammonia still side is equipped with liquid caustic soda tank, and liquid caustic soda tank passes through liquid alkaline pipeline and remained ammonia
Piping connection ammonia still, liquid alkaline pipeline are equipped with metering pump, and installation and adjustment valve after metering pump, remained ammonia pipeline b, which is connected to, to be changed
On hot device a, distilled ammonia wastewater one end pipeline b connect heat exchanger a, the other end connect heat exchanger b, and between be additionally provided with waste water pump；pH
The other end of distilled ammonia wastewater pipeline b connection heat exchanger b is arranged in the probe of meter；Reflux line a is connected extremely on distilled ammonia wastewater pipeline b
Valve is installed on reflux line a in waste water pump front；PH counts front and installs filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908595.4U CN208732666U (en) | 2018-06-11 | 2018-06-11 | A kind of ammonia still automatic alkali adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908595.4U CN208732666U (en) | 2018-06-11 | 2018-06-11 | A kind of ammonia still automatic alkali adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208732666U true CN208732666U (en) | 2019-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820908595.4U Expired - Fee Related CN208732666U (en) | 2018-06-11 | 2018-06-11 | A kind of ammonia still automatic alkali adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208732666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115611340A (en) * | 2022-09-16 | 2023-01-17 | 唐山佳华煤化工有限公司 | Ammonia distillation and alkali addition control method and device |
-
2018
- 2018-06-11 CN CN201820908595.4U patent/CN208732666U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115611340A (en) * | 2022-09-16 | 2023-01-17 | 唐山佳华煤化工有限公司 | Ammonia distillation and alkali addition control method and device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20200611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |