CN201923907U - Reaction kettle for treating mercury-contained wastewater - Google Patents
Reaction kettle for treating mercury-contained wastewater Download PDFInfo
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- CN201923907U CN201923907U CN2010206363218U CN201020636321U CN201923907U CN 201923907 U CN201923907 U CN 201923907U CN 2010206363218 U CN2010206363218 U CN 2010206363218U CN 201020636321 U CN201020636321 U CN 201020636321U CN 201923907 U CN201923907 U CN 201923907U
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- mercury
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- retort
- waste water
- containing waste
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Abstract
The utility model relates to a reaction kettle for treating mercury-contained wastewater in the production of PVC (polyvinyl chloride) resin. The reaction kettle consists of a cylinder body, a medicine feeding inlet, a mixing device, an exhausting blower, a liquid inlet, a liquid bypass, a vertical guide pipe, a stabilizing cylinder, a balancing pipe, a liquid outlet, a sludge discharging outlet, an inclined plate device, a valve and the like. The reaction kettle solves the problem that the environment is polluted as the mercury removing efficiency is low when the existing reaction kettle for treating the mercury-contained wastewater is used during the production of PVC (polyvinyl chloride) resin by adopting a calcium carbide method. The reaction kettle has the advantages of reasonable structure, convenience in operation, small occupying area and the like, is applied to sewage treatment, and is particularly applied to the deep treatment on mercury-contained wastewater in the PVC (polyvinyl chloride) technology.
Description
Technical field:
The utility model relates to the retort of handling for mercury-containing waste water in the retort, particularly polyvinyl chloride resin production of a kind of industrial mercury-containing waste water in handling.
Background technology:
This mercury-containing waste water can produce a large amount of mercury-containing waste waters in the chemical process, if can not get effective processing meeting serious environment pollution.The technology that extensively adopts is the sodium sulphite precipitator method at present.The popular response device that present stage is handled this mercury-containing waste water comprises: a cylindrical tube, and cylindrical shell upper end uncovered, the cylindrical shell side is provided with liquid inlet tube, liquid outlet tube, is provided with aerating apparatus in the cylindrical shell.But there is following shortcoming in this reaction unit: the one, and no corresponding sedimentation structure, reaction back liquid need be squeezed into another sedimentation device, has not only increased equipment, and has influenced effect of settling, causes the clearance of mercury to reduce, and then environment is polluted; The 2nd, adopt aeration mode, have that noise is big, aeration head easily stops up, overhaul shortcomings such as numerous and diverse, influence the abundant reaction of mercury and sodium sulphite, be unfavorable for the removal of mercury, cause environmental pollution; The 3rd, adopt open design, because of mercury is easy to be evaporated in the air, and mercury vapour has severe toxicity, so open design can pollute environment.
Summary of the invention:
Thereby the utility model has been to solve the low problem that environment is polluted of mercury-containing waste water treatment reactor tank removal of mercury efficient that produces in the present calcium carbide route production polyvinyl chloride (PVC) RESINS, and then provide and can effectively handle mercury-containing waste water, reduce environmental pollution, reduce production costs, rational in infrastructure simultaneously, be convenient to operate, take up an area of little a kind of retort of handling mercury-containing waste water.
The technical solution adopted in the utility model is: the retort of processing mercury-containing waste water described in the utility model, comprise that a bottom is conical cylindrical shell, the cylindrical shell upper end is provided with lid, cover and be provided with the dosing import, whipping appts and air exhauster, whipping appts comprises motor, axle and impeller, the cylindrical shell side is provided with liquid-inlet, liquid level bypass and vertically-guided pipe, vertically-guided Guan Yiduan stretches in the cylindrical shell and the mouth of pipe is directed upwardly, the other end links to each other with stabilizing feed well top, stabilizing feed well is provided with equilibration tube, equilibration tube communicates with air exhauster, the stabilizing feed well lower side is provided with liquid exit, the cylindrical shell bottom is provided with the awl bucket, the top of awl bucket is provided with the spoil disposal outlet, and the cylindrical shell internal upper part is provided with sloping plate unit, and the axle of whipping appts passes sloping plate unit and impeller is positioned under the sloping plate unit, cylinder inboard wall is provided with baffle plate, liquid-inlet, the dosing import, air exhauster, the vertically-guided pipe, in liquid exit and the spoil disposal outlet valve is arranged all.
The retort of described processing mercury-containing waste water, its sloping plate unit comprises some swash plates, has 2 supports at least in each swash plate same side, above-mentioned swash plate is oblique arrangement in the same way, cylinder inboard wall is provided with two brace tables at least, and brace table is provided with cross frame, and sloping plate unit is positioned on the cross frame.Reacted mercury-containing waste water has increased the settling time behind sloping plate unit, adopt this structure can improve sedimentation effect, helps improving removal of mercury efficient, reduces environmental pollution.
Also can be network below the retort of described processing mercury-containing waste water, its sloping plate unit, adopt this structure to improve the bearing capacity of support, whether adopt and specifically to decide according to practical condition.
The retort of described processing mercury-containing waste water, its sloping plate unit are a monoblock type, are made up of some swash plates and the hoop that is positioned at its middle part, and cylinder inboard wall is provided with two brace tables at least, and brace table is provided with cross frame, and sloping plate unit is positioned on the cross frame.Adopt this structure sloping plate unit integral body can be hung in or hangs out, help changing or cleaning swash plate, whether adopt and specifically to decide according to practical condition.
The retort of described processing mercury-containing waste water, 40 °-80 ° of each swash plate in its sloping plate unit and horizontal plane angles.This structure has improved sedimentation effect, helps further improving removal of mercury efficient, reduces environmental pollution.
The retort of described processing mercury-containing waste water, 60 °-80 ° of the limit of its awl bucket and cylindrical shell axle center angles adopt this structure can improve sedimentation effect, and spoil disposal is convenient, and then reach ideal removal of mercury effect.
The retort of described processing mercury-containing waste water, its intravital baffle plate is at least two, be connected by back up pad between each baffle plate and barrel wall and gapped between the two, baffle plate in cylindrical shell for uniform and be positioned at cylindrical shell in the radial direction.This structure makes that reaction is more abundant, helps further improving removal of mercury efficient.
The retort of described processing mercury-containing waste water, the impeller on its whipping appts are two-layer, and the upper strata impeller is positioned at the mid-way of cylindrical shell, and lower floor's impeller is positioned at cylindrical shell and the junction of boring bucket.Adopt this structure help stirring more even, thereby reaction is more abundant has further improved removal of mercury efficient, and noise little, be convenient to operation.
The retort of described processing mercury-containing waste water, its cylindrical shell is provided with lid, and the equilibration tube on the stabilizing feed well communicates with the air exhauster entrance end, and gas is in time discharged by air exhauster in the cylindrical shell, has reduced the poisonous mercury vapour accumulative of high density possibility, helps safety in production.
The utility model has improved the retort of handling mercury-containing waste water on the basis of original industrial mercury-containing waste water treatment process, remove this factor of environmental pollution of mercury in the mercury-containing waste water that produces in the Chemical Manufacture by retort, and then realized improving the purpose of removal of mercury efficient, minimizing environmental pollution.The utlity model has simultaneously rational in infrastructure, be convenient to operation, take up an area of advantages such as little, can be widely used in the processing that calcium carbide route is produced mercury-containing waste water in the polyvinyl chloride technique.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of another embodiment of swash plate group among the utility model embodiment.
Among Fig. 1-2,1 be cylindrical shell, 2 for the dosing import, 3 for whipping appts, 4 for air exhauster, 5 for equilibration tube, 6 for liquid exit, 7 for stabilizing feed well, 8 for the vertically-guided pipe, 9 for spoil disposal outlet, 10 for the liquid level bypass, 11 for baffle plate, 12 for network, 13 for brace table, 14 for swash plate, 15 for liquid-inlet, 16 for binding round.
Embodiment:
In accompanying drawing 1, present embodiment comprises a cylindrical shell 1, it is characterized in that the cylindrical shell upper end is provided with lid, cover and be provided with dosing import 2, whipping appts 3 and air exhauster 4, whipping appts comprises motor, axle and impeller, the cylindrical shell side is provided with liquid-inlet 15, liquid level bypass 10 and vertically-guided pipe 8, vertically-guided Guan Yiduan stretches in the cylindrical shell and the mouth of pipe is directed upwardly, the other end links to each other with stabilizing feed well 7 tops, stabilizing feed well is provided with equilibration tube 5, equilibration tube communicates with air exhauster, the stabilizing feed well lower side is provided with liquid exit 6, the cylindrical shell bottom is provided with the awl bucket, the top of awl bucket is provided with spoil disposal outlet 9, and the cylindrical shell internal upper part is provided with sloping plate unit, and the axle of whipping appts passes sloping plate unit and impeller is positioned under the sloping plate unit, cylinder inboard wall is provided with baffle plate 11, liquid-inlet, the dosing import, air exhauster, the vertically-guided pipe, in liquid exit and the spoil disposal outlet valve is arranged all.Its sloping plate unit comprises: some swash plates 14 and network 12, have 2 supports at least in each swash plate same side, and above-mentioned swash plate is oblique arrangement in the same way, has two brace tables 13 on the support lower barrel at least.
With reference to accompanying drawing 2-3, another embodiment difference is also to can be network below its swash plate.
Another embodiment difference is that above-mentioned baffle number can be 3,4,5 or 6; Can adopt equal mode for cloth to arrange, concrete quantity can be decided according to practical condition.
Another embodiment difference is that its sloping plate unit is a monoblock type, is made up of some swash plates and the hoop that is positioned at its middle part.
Below be workflow of the present utility model and principle:
From the mercurous abraum salt acid that produces in the generated by polyvinyl chloride by calcium carbide production, mercury-containing waste waters such as waste lye, be collected to the PH equalizing tank, regulate its PH and be adjusted to 9-11, squeeze in the retort by transferpump, adding the heavy metal sinking agent simultaneously in retort fully reacts, and then adding inorganic flocculating agent, the HgS flocks natural sedimentation that generates is got off, the supernatant liquor that produces, behind the multi-section type adsorption bed, must reach the aqueous solution of emission standard, the mercury-containing sludge that settles down in retort then flows automatically and enters sludge thickener, arrive equipment for separating liquid from solid by sludge pump again, gained filtrate is returned the PH equalizing tank, the sedimentation removal of mercury that circulates reaction, and the gained filter cake leaves the useless storehouse of danger in, unified transporting, thus reach the purpose that the removal of mercury reduces environmental pollution.
Claims (9)
1. retort of handling mercury-containing waste water, comprise a cylindrical shell, it is characterized in that the cylindrical shell upper end is provided with lid, cover and be provided with the dosing import, whipping appts and air exhauster, whipping appts comprises motor, axle and impeller, the cylindrical shell side is provided with liquid-inlet, liquid level bypass and vertically-guided pipe, vertically-guided Guan Yiduan stretches in the cylindrical shell and the mouth of pipe is directed upwardly, the other end links to each other with stabilizing feed well top, stabilizing feed well is provided with equilibration tube, equilibration tube communicates with air exhauster, the stabilizing feed well lower side is provided with liquid exit, the cylindrical shell bottom is provided with the awl bucket, the top of awl bucket is provided with the spoil disposal outlet, and the cylindrical shell internal upper part is provided with sloping plate unit, and the axle of whipping appts passes sloping plate unit and impeller is positioned under the sloping plate unit, cylinder inboard wall is provided with baffle plate, liquid-inlet, the dosing import, air exhauster, the vertically-guided pipe, in liquid exit and the spoil disposal outlet valve is arranged all.
2. the retort of processing mercury-containing waste water according to claim 1, it is characterized in that sloping plate unit comprises some swash plates, have 2 supports at least in each swash plate same side, above-mentioned swash plate is oblique arrangement in the same way, cylinder inboard wall is provided with two brace tables at least, brace table is provided with cross frame, and sloping plate unit is positioned on the cross frame.
3. the retort of processing mercury-containing waste water according to claim 2 is characterized in that being network below the sloping plate unit.
4. the retort of processing mercury-containing waste water according to claim 1, it is characterized in that sloping plate unit is a monoblock type, form that cylinder inboard wall is provided with two brace tables at least by some swash plates and the hoop that is positioned at its middle part, brace table is provided with cross frame, and sloping plate unit is positioned on the cross frame.
5. according to the retort of the described processing mercury-containing waste water of the arbitrary claim of claim 2-4, it is characterized in that 40 °-80 ° of swash plate and horizontal plane angles.
6. the retort of processing mercury-containing waste water according to claim 5 is characterized in that boring 60 °-80 ° of the limit of bucket and cylindrical shell axle center angles.
7. the retort of processing mercury-containing waste water according to claim 6, it is characterized in that the intravital baffle plate of tube is at least two, be connected by back up pad between each baffle plate and barrel wall and gapped between the two, baffle plate in cylindrical shell for uniform and be positioned at cylindrical shell in the radial direction.
8. the retort of processing mercury-containing waste water according to claim 7 is characterized in that the impeller on the whipping appts is two-layer, and the upper strata impeller is positioned at the mid-way of cylindrical shell, and lower floor's impeller is positioned at cylindrical shell and the junction of boring bucket.
9. the retort of processing mercury-containing waste water according to claim 8 is characterized in that the equilibration tube on the stabilizing feed well communicates with the air exhauster entrance end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206363218U CN201923907U (en) | 2010-12-01 | 2010-12-01 | Reaction kettle for treating mercury-contained wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206363218U CN201923907U (en) | 2010-12-01 | 2010-12-01 | Reaction kettle for treating mercury-contained wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201923907U true CN201923907U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206363218U Expired - Fee Related CN201923907U (en) | 2010-12-01 | 2010-12-01 | Reaction kettle for treating mercury-contained wastewater |
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| CN (1) | CN201923907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538656A (en) * | 2022-02-23 | 2022-05-27 | 湖北楚星化工股份有限公司 | Device and method for controlling adding amount of mercury removing agent for mercury-containing wastewater treatment |
-
2010
- 2010-12-01 CN CN2010206363218U patent/CN201923907U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538656A (en) * | 2022-02-23 | 2022-05-27 | 湖北楚星化工股份有限公司 | Device and method for controlling adding amount of mercury removing agent for mercury-containing wastewater treatment |
| CN114538656B (en) * | 2022-02-23 | 2023-12-22 | 湖北楚星化工股份有限公司 | Device and method for controlling addition amount of mercury removing agent in mercury-containing wastewater treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20191201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |