CN201809171U - Device for producing guanite - Google Patents
Device for producing guanite Download PDFInfo
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- CN201809171U CN201809171U CN2010205441328U CN201020544132U CN201809171U CN 201809171 U CN201809171 U CN 201809171U CN 2010205441328 U CN2010205441328 U CN 2010205441328U CN 201020544132 U CN201020544132 U CN 201020544132U CN 201809171 U CN201809171 U CN 201809171U
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- struvite
- water inlet
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- inlet pipe
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Abstract
The utility model relates to a device for producing guanite by using ammonia nitrogen and phosphate in wastewater. The device comprises a water inlet system, a guanite reaction system and a discharging and reflowing system, wherein the water inlet system comprises a regulating reservoir, a water inlet pipe, a water inlet pump, a water inlet flowmeter, a magnesium chloride solution tank, a sodium hydroxide solution tank, a magnesium chloride solution pump, a sodium hydroxide solution pump, a pipeline mixer, and a reflowing pipe, a reflowing pump, a reflowing flowmeter and the like of the discharging and reflowing system; the guanite reaction system comprises a guanite reactor, a pH online monitor, a brake valve, a guanite discharging valve and the like and the discharging and reflowing system comprises a precipitation tank, a drain pipe, a valve, the reflowing pipe, the reflowing pump, the reflowing flowmeter and the like. By using the device for producing the guanite of the utility model, the ammonia nitrogen and the phosphate in the wastewater can be recycled, the contents of the ammonia nitrogen and the phosphate in the wastewater are reduced, and the wastewater entering the next procedure is easier to treat and reach the standard, thus the energy sources are greatly saved and the cost is lowered.
Description
Technical field
The utility model relates to the environmental engineering water treatment, is specifically related to a kind of ammonia nitrogen in the waste water and production equipment of phosphate production struvite of utilizing.
Background technology
Not only contain the organism of high density in the waste water such as high concentrated organic wastewater such as urban night soil sewage, livestock and poultry cultivation liquid dung, food-processing liquid dung and garbage leachate, and be dissolved with a large amount of ammonia nitrogens and phosphoric acid salt.In sewage aerobic was handled, ammonia nitrogen need through microbial process, convert it into nitrate nitrogen and nitrite nitrogen under aeration condition, under the oxygen condition of holding concurrently, change into N gas again by double oxygen animalcule then.Phosphorus generally exists with the chemical combination attitude in sewage.In sewage disposal, at first anaerobic treatment discharges phosphorus, and aerobic treatment changes into the microorganism flco with phosphorus again, and then anaerobically digested sludge.From above-mentioned treating processes, as can be seen, handle nitrogen phosphorus and need consume a large amount of energy, need pay expensive expense.And often can not be up to standard, be discharged into the eutrophication that causes water body in the water body, cause the pollution of environment.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of struvite production equipment, and it can produce part ammonia nitrogen and the phosphate resourceization in the waste water particulate state, be made for the nitrogen phosphorus slow release fertilizer that thing is grown.The main component of this nitrogen phosphorus slow release fertilizer is MgNH
4PO
46H
2O.Because composition, the shape of this composition and shape and birds droppings are close, so this product is called struvite, production equipment is called the struvite production equipment.
The purpose of this utility model is achieved through the following technical solutions.
Struvite production equipment of the present utility model is by water inlet system, struvite reactive system and efflux three systems of (being draining) backflow forms.
Water inlet system is by equalizing tank, water inlet pipe, intake pump, flooding velocity meter, the magnesium chloride solution jar, sodium hydroxide solution jar, magnesium chloride solution pump, sodium hydroxide solution pump and line mixer and the compositions such as return line, reflux pump and return flow meter that efflux return-flow system.Equalizing tank mainly is to regulate, guarantee that the stable and water quality of the used former water water yield of struvite reactor is even.The used former water of struvite reactor is the supernatant liquor after the anaerobic treatment in the sewage treatment process.In order to guarantee the stability of flooding velocity, on the pool wall of equalizing tank top one side, be provided with overflow port, make unnecessary former water overflow back sewage lagoon; One side of bottom pool wall is provided with slag-drip opening, regularly the sediment and the mud of bottom, emissions adjustment pond.Water outlet is located on the pool wall of the about 200mm in overflow port below, links to each other with reactor bottom by pipeline.On pipeline, be connected with intake pump and under meter.Contain a large amount of ammonia nitrogens and phosphoric acid salt in the general high concentrated organic wastewater, but the magnesium ion content deficiency, and pH does not reach the requirement of 8-9 yet, so, in reactive system, need add magnesium solution and alkaline solution, as MgCl
2Solution and NaOH solution.MgCl
2Solution and NaOH solution are contained in MgCl respectively
2In NaOH solution tank NaOH and the NaOH NaOH solution tank NaOH.MgCl
2In NaOH solution tank NaOH and the NaOH NaOH solution tank NaOH whipping appts is housed.Under the motor effect above the tank body, whipping appts can be even with the solution stirring in the jar, can also carry out the configuration of solution in jar.MgCl
2Respectively have outlet on the tank skin of NaOH solution tank NaOH and NaOH NaOH solution tank NaOH, be connected with water inlet pipe by pipeline.And in junction separately line mixer is housed, respectively with mixed former water, recirculation water and MgCl
2Solution, former water, recirculation water, MgCl
2Solution and NaOH solution mix, in case partial MgCl
2Concentration and NaOH excessive concentration, the side reaction that produces trimagnesium phosphate.Water inlet pipe also links to each other with the return line that effluxes return-flow system behind the flooding velocity meter in addition, and return flow meter and reflux pump are housed on the return line.From the phegma of settling bath under the effect of reflux pump, regulation and control through the return flow meter, enter in the water inlet pipe by return line, behind He Yuanshui, MgCl2 solution and the NaOH solution mixing, enter in the struvite reactor by the bottom of main inlet valve jointly by reactor.
The struvite reactive system is made up of struvite reactor, pH on-line monitoring instrument, gate valve, struvite bleed valve etc.
The struvite reactor is made up of the right cylinder of the different diameter of 4 sections.But being not limited to 4 sections, can be 3 sections, also can be 5 sections, 6 sections etc.Cylindrical diameter is staged and changes between section.From the reactor bottom to the top, section of cylindrical diameter is greater than a section.Be connected with concentrically ringed plate ring between each right cylinder.Reactor bottom links to each other with water inlet pipe, and water inlet is by water inlet pipe, the bottom section that enters reactor.A gate valve is equipped with on the top of reactor bottom section, is connected with bypass water inlet pipe and the secondary water intaking valve parallel with the reactor bottom section on the sidewall on gate valve top with on the water inlet pipe of water intaking valve bottom.2 parallel struvite collection tubes are equipped with in the bottom of bottom section, struvite is housed on the collection tube collects valve.Enter operation from the bottom up behind the reactor, be in operation crystallization or cohesion of struvite grown up.Along with each reaction section diameter becomes big, flow velocity is more and more lower, because the flow velocity difference, the size that each section forms struvite is also just different, because the compresses lower section flow velocity is higher, scouring force is bigger, thus the particle maximum of compresses lower section, the particle minimum of top section.Along with the prolongation in reaction times, the particle of top section is also grown up gradually, and when particulate lowering speed during greater than the speed that rises, the struvite particle of formation is slowly fallen next section, finally falls bottom section.Struvite is suspended state in reactor.After the diameter of struvite reaches 2-3mm, open the secondary water intaking valve of bypass, close the gate valve on struvite bottom section top and the main water intaking valve on the water inlet pipe, open the collection valve on the struvite collection tube of struvite bottom section bottom, carry out struvite and collect.After the struvite collection work is finished, close struvite and collect valve, open gate valve and main water intaking valve, close the secondary water intaking valve on the bypass water inlet pipe, recover former water inlet path.The top of reactor is provided with overflow groove, and the bottom of overflow groove is connected with rising pipe.Through the water outlet of struvite reactor, overflow enters overflow groove, and the rising pipe through isopipe root enters in the settling bath again.PH on-line monitoring instrument is housed on rising pipe, and the pH of control water outlet is 8-9.
Efflux (being draining) return-flow system and comprise settling bath, water shoot, valve, return line, reflux pump and return flow meter etc.Have water-in, water outlet and refluxing opening on the pool wall of settling tank.Water-in links to each other with the rising pipe of overflow groove bottom, and the overflow groove water outlet is introduced in the settling tank, and effusive ultra-fine grain, impurity etc. in the struvite reactor are precipitated.Water port is connected with outer comb, by valve the supernatant liquor of settling tank is entered and proceeds processing up to standard in the Aerobic Pond.Refluxing opening is connected with water inlet pipe by the return line that links to each other with cell wall, and reflux pump and return flow meter are housed on return line, the size of control quantity of reflux.The main effect that refluxes is solubility product, the basicity in the recycling phegma of conditioned reaction thing and the upflow velocity that improves water inlet etc., also can omit in actually operating.
Description of drawings
Fig. 1 is that the integral body of the utility model struvite production equipment is formed synoptic diagram.
Among the figure: 1, equalizing tank, 2, upflow tube, 3, former water water inlet pipe, 4, shore pipe, 5, water inlet pipe, 6, intake pump, 7, the flooding velocity meter, 8, the return flow meter, 9, the NaOH NaOH solution tank NaOH, 10, MgCL
2NaOH solution tank NaOH, 11, MgCL
2The solution volume pump, 12, NaOH solution volume pump, 13, agitator motor, 14, line mixer, 15, main water intaking valve, 16, secondary water intaking valve, 17, the bypass water inlet pipe, 18, overflow groove, 19, concentric plectane ring, 20, gate valve, 21, struvite collects valve, 22, the struvite reactor, 23, rising pipe, 24, pH on-line monitoring instrument, 25, settling bath, 26, water shoot, 27, water discharge valve, 28, return line, 29, mud valve, 30, reflux pump, 31, reverse flow valve.
Embodiment
As shown in Figure 1, the production equipment of struvite is by equalizing tank 1, water inlet pipe 5, intake pump 6, flooding velocity meter 7, return flow meter 8, NaOH NaOH solution tank NaOH 9, MgCL
2NaOH solution tank NaOH 10, MgCL
2Solution volume pump 11, NaOH solution volume pump 12, agitator motor 13, line mixer 14, main water intaking valve 15, secondary water intaking valve 16, the other pipe 17 of water inlet,, overflow groove 18, plectane 19, gate valve 20, struvite are collected valve 21, struvite reactor 22, rising pipe 23, pH on-line monitoring instrument 24, settling bath 25, water shoot 26, water discharge valve 27, return line 28, mud valve 29, reflux pump 30, reverse flow valve 31 and are formed with one heart.
Equalizing tank 1, water inlet pipe 5, intake pump 6, flooding velocity meter 7, return flow meter 8, NaOH NaOH solution tank NaOH 9, MgCL
2NaOH solution tank NaOH 10, MgCL
2Solution volume pump 11, NaOH solution volume pump 12, agitator motor 13, line mixer 14, main water intaking valve 15, secondary water intaking valve 16, the other pipe 17 of water inlet and the return line 28, reflux pump 30, the reverse flow valve 31 that efflux return-flow system have been formed water inlet system.
Main water intaking valve 15, secondary water intaking valve 16, the other pipe 17 of water inlet,, overflow groove 18, plectane 19, gate valve 20, struvite are collected valve 21, struvite reactor 22, rising pipe 23, pH on-line monitoring instrument 24 etc. and have been formed the struvite reactive system with one heart.
31 one-tenth of settling baths 25, water shoot 26, water discharge valve 27, return line 28, mud valve 29, reflux pump 30, reverse flow valve the draining return-flow system.
The effect of equalizing tank 1 is a water quantity and quality of regulating 22 water inlets of struvite reactor.On the outer wall of equalizing tank 1, be connected with former water water inlet pipe 3, upflow tube 2, the shore pipe 4 of the supernatant liquor after the anaerobic treatment in the water conservancy diversion sewage treatment process and the water inlet pipe 5 that links to each other with the struvite reactor bottom respectively.The low 200mm in position that the position that reactor water inlet pipe 5 links to each other with equalizing tank 1 links to each other with equalizing tank 1 than upflow tube 2.In order to guarantee the stability of reactor water inlet, former water flooding quantity in the equalizing tank 1 is greater than the flooding quantity of struvite reactor 22, former water unnecessary in the equalizing tank 1 overflows back the former pond from upflow tube 2, and the bits of equalizing tank bottom settlings regularly carry out flocculation treatment by the Valved discharge on shore pipe 4 and the shore pipe in the equalizing tank in flocculation workshop.Be connected with intake pump 6 and flooding velocity meter 7 on the water inlet pipe, in order to the flooding velocity of control, conditioned reaction device.
In this example, magnesium ion content and basicity in the former water are lower, so added MgCl in the reactor water inlet
2Solution and NaOH solution.MgCl
2Be contained in MgCl
2In the NaOH solution tank NaOH 10, MgCl
2In the NaOH solution tank NaOH 10 agitator is housed, can be by the effect of motor 13 to MgCl
2Solution stirs, and makes it even.MgCl
2Solution passes through MgCl
2The pipeline that the tank skin bottom of NaOH solution tank NaOH 10 connects links to each other with water inlet pipe 5, and MgCl2 solution volume pump 11 is housed on pipeline, and MgCl2 solution is carried and measured.NaOH solution is contained in the NaOH NaOH solution tank NaOH 9, in the NaOH NaOH solution tank NaOH 9 agitator is housed, and links to each other with water inlet pipe 5 by pipeline, and NaOH solution volume pump 12 is housed on pipeline, and NaOH solution is carried and measured.In order to guarantee MgCl
2The homogeneity of solution, NaOH solution and former water is at MgCl
2On solution, NaOH solution line and the water inlet pipe 5 after water inlet pipe 5 is connected line mixer 14 is housed respectively.Water inlet pipe 5 also links to each other with return line 28 in flooding velocity meter 7 backs in addition, and return flow meter 8 and reflux pump 30 are housed on the return line 28.Under the effect of reflux pump 30, the regulation and control through return flow meter 8 enter in the water inlet pipe 5 He Yuanshui, MgCl by return line 28 from the phegma of settling bath 26
2Behind solution and the NaOH solution mixing, enter in the struvite reactor 22 by the bottom of main valve 15 jointly by reactor.
Struvite reactor 22 is made up of the right cylinder of 4 section different diameters.Cylindrical diameter is staged and changes between each section.From the reactor bottom to the top, one section of cylindrical diameter is greater than one section.Be connected with concentric plectane ring 19 between each right cylinder.Reactor bottom also is connected by concentric plectane ring 19 with water inlet pipe 5.A gate valve 20 is equipped with on the top of struvite reactor 22 bottom section, is connected with the bypass water inlet pipe 17 parallel with bottom section on the sidewall on gate valve 20 tops with on the water inlet pipe 5 of water intaking valve 15 bottoms, on the other pipe 17 of water inlet secondary water intaking valve 16 is housed.2 parallel struvite collection tubes are equipped with in the bottom of struvite reactor 22 bottom section, are equipped with on the collection tube to collect valve 21.After entering reactor 22, operation from the bottom up, along with reactor diameter becomes big, flow velocity is more and more lower.Because the flow velocity difference, each section forms the size difference of struvite.The bottom flow velocity is higher, and scouring force is bigger, thus the particle maximum of bottom, the particle minimum on top.Along with the prolongation in reaction times, the particle on top is also grown up gradually, and when particulate lowering speed during greater than the speed that rises, the struvite particle of formation is slowly fallen next section, finally falls bottom section.Struvite is suspended state in reactor.After the diameter of struvite reaches 2-3mm, open the into other secondary water intaking valve 16 of managing on 17 of water, closing gate valve 20 and main water intaking valve 15 are opened struvite and are collected valve 21, collect struvite work.After the struvite collection work is finished, close struvite and collect valve 21, open gate valve 20 and main water intaking valve 15, close the into other secondary water intaking valve 16 of managing on 17 of water, recover former water inlet path.The top of struvite reactor 22 is provided with overflow groove 18, and the bottom of overflow groove 18 is connected with rising pipe 23.Water outlet by struvite reactor 22 enters in the overflow groove 18 by overflow, and the rising pipe 23 through overflow groove 18 bottoms enters in the settling tank 25 again.PH on-line monitoring instrument 24 is housed on rising pipe 23, and control pH is 8-9.
Have water-in, water outlet and refluxing opening on the cell wall of settling bath 25.Water-in links to each other with the rising pipe 23 of water shoot 18 bottoms.Water outlet links to each other with water shoot 26, is connected with valve 27 on the water shoot 26.Refluxing opening is connected with return line 28, and return line 28 is connected with water inlet pipe 5, and reflux pump 30, under meter 8 and reverse flow valve 31 are housed on return line 28, by regulating the size of return flow meter 8 and return valve 31 control phegma flows.The bottom of settling bath 25 is a conical design, at the awl end shore pipe and mud valve 29 is housed, and regularly carries out spoil disposal.
The working process of struvite production equipment is as follows: from after the anaerobic treatment in the sewage treatment process supernatant liquor enter in the equalizing tank 1 by former water water inlet pipe 3 and valve.When liquid level was higher than overflow port, former water will flow back to former pond by upflow tube 2.Former water in the equalizing tank 1 by and equalizing tank 1 pool wall on the water inlet pipe 5 that links to each other, under the effect of intake pump 6 with the regulation and control of under meter 7 under and pass through MgCl
2The MgCl of volume pump 11, NaOH volume pump 12
2Solution and NaOH solution and the phegma by reflux pump 30, under meter 8 enter in the struvite reactor through water intaking valve 15 by after the mixing of line mixer 14.Struvite crystallization or cohesion in reactor are grown up.Struvite is fluidized in reactor.Because the flow velocity maximum of struvite reactor bottom water inlet section, top section flow velocity minimum is so when the lift velocity of struvite in each section was lower than lowering speed, struvite fell into next section, finally fall into bottom section and collect, the diameter of the struvite of collection is 2-3mm.Open the into other secondary water intaking valve 16 of managing on 17 of water during collection, closing gate valve 20 and main water intaking valve 15 are opened struvite and are collected valve 21, collect struvite.After the struvite collection work is finished, close struvite and collect valve 21, open gate valve 20 and main water intaking valve 15, close secondary water intaking valve 16, recover former water inlet path.Water outlet by struvite reactor 22 flows to overflow groove 18, enters in the settling bath 25 by the rising pipe 23 that links to each other with overflow groove 18 bottoms.The supernatant liquor of post precipitation is partly discharged by the water shoot 26 and the valve 27 that link to each other with the settling bath cell wall, sends into the aerobic treatment operation and handles; Part refluxes by the return line 18 that links to each other with the settling bath cell wall; Sedimentary ultra-fine struvite and impurity mud valve 29 and the shore pipe by settling bath bottom is discharged to the flocculation workshop and carries out flocculation treatment in the settling bath.So far finish the working cycle that a struvite is produced.
Utilize the struvite production equipment, not only can be, and because the ammonia nitrogen in the sewage and the reduction of phosphate content with ammonia nitrogen and the phosphate resourceization in the sewage, the sewage that enters the back operation is easier to handle up to standard, has saved the energy greatly, has reduced cost.
Claims (6)
1. struvite production equipment, comprise water inlet system, reactive system and draining return-flow system, it is characterized in that: water inlet system comprises equalizing tank, water inlet pipe, intake pump, flooding velocity meter, magnesium chloride solution jar, sodium hydroxide solution jar, magnesium chloride solution pump, sodium hydroxide solution pump, line mixer and return line, reflux pump and return flow meter; On a side pool wall on equalizing tank top, be provided with overflow port, slag-drip opening arranged in a side of equalizing tank bottom pool wall, on the pool wall, overflow port below be provided with water outlet, link to each other by the bottom of pipeline with the struvite reactor; Be connected with intake pump and under meter on the pipeline; Mainly contain struvite reactor, overflow groove, concentric plectane and struvite in the reactive system and collect valve, also comprise magnesium chloride solution jar and sodium hydroxide solution jar, in jar whipping appts is housed, motor is equipped with in the tank body top, respectively have outlet on the tank skin of magnesium chloride solution jar and sodium hydroxide solution jar, be connected with water inlet pipe by pipeline, and line mixer is housed in junction separately, water inlet pipe also links to each other with the return line of draining return-flow system at flooding velocity meter back segment, and return flow meter and reflux pump are housed on the return line.
2. struvite production equipment according to claim 1 is characterized in that: the water inlet pipe that is connected with former water water inlet pipe, upflow tube, shore pipe respectively and links to each other with the struvite reactor bottom on the outer wall of described equalizing tank; The low 200mm in position that the position that the reactor water inlet pipe is connected with equalizing tank is connected with equalizing tank than upflow tube.
3. struvite production equipment according to claim 1 is characterized in that: described struvite reactor, form by the right cylinder of the different diameter of four sections; Cylinder diameter is stepped successively between each section, to the top, cylindrical diameter increases gradually by the bottom of reactor.
4. struvite production equipment according to claim 1, it is characterized in that: a gate valve is equipped with on the top at described struvite reactor bottom section, be connected with the bypass water inlet pipe that parallels with bottom section on the sidewall on this gate valve top and on the water inlet pipe of water intaking valve bottom, on this bypass water inlet pipe secondary water intaking valve be housed.
5. struvite production equipment according to claim 1 is characterized in that: two struvite collection tubes that parallel are equipped with in the bottom of described struvite reactor bottom section, on this struvite collection tube the collection valve are housed.
6. struvite production equipment according to claim 1 is characterized in that: described draining return-flow system is made up of settling bath, water shoot, water discharge valve, return line, mud valve, reflux pump, reverse flow valve; Refluxing opening is arranged on the cell wall of described settling bath, be connected with return line, return line is connected with water inlet pipe, and reflux pump, under meter and reverse flow valve are housed on return line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205441328U CN201809171U (en) | 2010-09-28 | 2010-09-28 | Device for producing guanite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205441328U CN201809171U (en) | 2010-09-28 | 2010-09-28 | Device for producing guanite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201809171U true CN201809171U (en) | 2011-04-27 |
Family
ID=43892110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205441328U Expired - Lifetime CN201809171U (en) | 2010-09-28 | 2010-09-28 | Device for producing guanite |
Country Status (1)
| Country | Link |
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| CN (1) | CN201809171U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014069A (en) * | 2012-12-16 | 2013-04-03 | 吕建林 | Construction method of struvite in-vitro model |
| CN103663403A (en) * | 2013-11-28 | 2014-03-26 | 中国农业大学 | Circulating fluidized crystallization control reaction device for wastewater phosphorus synergy crystallization and dynamic monitoring and regulating method thereof |
| CN106430506A (en) * | 2016-10-20 | 2017-02-22 | 中国科学院城市环境研究所 | Struvite fluidization and crystallization device |
| CN108358294A (en) * | 2018-05-04 | 2018-08-03 | 谢晓进 | Livestock and poultry cultivation sewage extracts the equipment and its application method of phosphate fertilizer |
-
2010
- 2010-09-28 CN CN2010205441328U patent/CN201809171U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014069A (en) * | 2012-12-16 | 2013-04-03 | 吕建林 | Construction method of struvite in-vitro model |
| CN103663403A (en) * | 2013-11-28 | 2014-03-26 | 中国农业大学 | Circulating fluidized crystallization control reaction device for wastewater phosphorus synergy crystallization and dynamic monitoring and regulating method thereof |
| CN103663403B (en) * | 2013-11-28 | 2015-04-08 | 中国农业大学 | Circulating fluidized crystallization control reaction device for wastewater phosphorus synergy crystallization and dynamic monitoring and regulating method thereof |
| CN106430506A (en) * | 2016-10-20 | 2017-02-22 | 中国科学院城市环境研究所 | Struvite fluidization and crystallization device |
| CN106430506B (en) * | 2016-10-20 | 2023-03-21 | 中国科学院城市环境研究所 | Struvite fluidization crystallization device |
| CN108358294A (en) * | 2018-05-04 | 2018-08-03 | 谢晓进 | Livestock and poultry cultivation sewage extracts the equipment and its application method of phosphate fertilizer |
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Granted publication date: 20110427 |
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