CN205133381U - Processing apparatus of high moisture content heavy metal mud sediment - Google Patents
Processing apparatus of high moisture content heavy metal mud sediment Download PDFInfo
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- CN205133381U CN205133381U CN201520870865.3U CN201520870865U CN205133381U CN 205133381 U CN205133381 U CN 205133381U CN 201520870865 U CN201520870865 U CN 201520870865U CN 205133381 U CN205133381 U CN 205133381U
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- rotary kiln
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Abstract
The utility model discloses a processing apparatus of high moisture content heavy metal mud sediment, include: the rotary kiln is equipped with feed inlet, hot -blast introduction mouth, gas outlet and solid material export, the draught fan of rotary kiln is introduced including the furnace body with the high -temperature gas in the furnace body to the hot -blast furnace, and hot -blast introductions of furnace body and rotary kiln mouthful communicates, cyclone is equipped with air inlet and gas outlet, cyclone's air inlet and the gas outlet of rotary kiln intercommunication, pulse dust collector is equipped with air inlet and gas outlet, pulse dust collector's air inlet and cyclone's gas outlet intercommunication, gu conveyor is collected to the material, include the collection device and a conveyor of intercommunication each other, collection device feeds through with the solid material export of rotary kiln, admittedly expect processing apparatus, add adding medicament's medicament adding device, stirring reaction unit and conveyor intercommunication including stirring reaction unit with in to stirring reaction unit. The utility model discloses help the device operation, improve the treatment effect, save time during implementation, save labour.
Description
Technical field
The utility model belongs to the soil remediation field in field of environment engineering technology, is specifically related to a kind for the treatment of unit of high-moisture percentage heavy metal body refuse.
Background technology
Along with propelling and the industrial and agricultural development of national urbanization process, the plurality of heavy metal waste water produced in industry and high-moisture percentage heavy metal body refuse (water ratio is 70 ~ 80%).
China is that maximum electrolytic manganese production is national in the world at present, in the passivation technology of manganese, the overwhelming majority manufacturer using traditional potassium bichromate as passivator, the chromate waste water that the processes such as the negative plate passivation in this operation and cleaning produce is the main source of pollution of electrolytic manganese trade effluent, wherein, the chromium of 2.4% enters product, and 97.6% enters waste water.
At present, domestic end-o f-pipe-control, minimizing and ion recovery etc. are mainly contained to the processing mode of chromium in useless passivating solution.Mainly comprise electrochemical reducing, by Cr(VI) be reduced to Cr
3+, be finally that after chromium residue, or landfill is stored up with precipitation of hydroxide.Also have and receiving tank is set between electrolytic manganese passivating groove, rinse bath, by the water clock night on the mode reuse battery lead plate of minimizing.Although these technology effectively can remove the chromium in passivating solution, just it is shifted, fundamentally do not remove pollution of chromium.
Solidification and stabilization technology is one of major technique of repairing pollution of chromium in electrolytic manganese trade effluent, this technology is by adding in chromate waste water after unslaked lime through plate-and-frame filter press, be converted into containing chromium body refuse, then carry out stabilization solidification treatment by adding medicament stirring to containing chromium body refuse.
70 ~ 80% are generally containing chromium body refuse water ratio, can stick containing chromium body refuse on the one hand and result in blockage on stirrer and be unfavorable for the running of stirrer, fully cannot mix with medicament on the other hand, cause treatment effect not good enough, solidification and stabilization technique is difficult to carry out.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind for the treatment of unit of high-moisture percentage heavy metal body refuse, this device can process heavy metal body refuse (especially containing chromium body refuse economical, efficiently, water ratio is 70 ~ 80%), and in equipment implementation process, realize waste residue zero release, tail gas is up to standard, the object of non-secondary pollution; The device of domestic first set for the treatment of high-moisture percentage heavy metal body refuse.
The treatment unit of the high-moisture percentage heavy metal body refuse that the utility model provides, comprising:
Rotary kiln, is provided with opening for feed, hot blast intake, pneumatic outlet and admittedly expects outlet;
Hotblast stove, comprises body of heater and by the induced draft fan of the high-temperature gas introducing rotary kiln in body of heater, wherein body of heater is communicated with the hot blast intake of rotary kiln;
Tornado dust collector, are provided with inlet mouth and air outlet, and the inlet mouth of tornado dust collector is communicated with the pneumatic outlet of rotary kiln;
Pulse dust collector, is provided with inlet mouth and air outlet, and the inlet mouth of pulse dust collector is communicated with the air outlet of tornado dust collector;
Gu e Foerderanlage collected by material, comprise the collection device and the first e Foerderanlage that are interconnected, wherein the solid material outlet of collection device and rotary kiln;
Gu material processing device, comprise stirring reaction device and in stirring reaction device, add the medicament adding device of medicament, wherein stirring reaction device is communicated with the first e Foerderanlage.
Preferably, the treatment unit of above-mentioned high-moisture percentage heavy metal body refuse, also comprise feed system, described feed system comprises lift, for receiving hopper and second e Foerderanlage of high-moisture percentage heavy metal body refuse in lift, wherein hopper is located on the second e Foerderanlage, second e Foerderanlage is belt conveyor, and is communicated with the opening for feed of rotary kiln.
Preferably, the treatment unit of above-mentioned high-moisture percentage heavy metal body refuse, also comprise gas discharging apparatus, it is communicated with the air outlet of pulse dust collector.
As optimal technical scheme, described tornado dust collector are also provided with sediment outlet, and the sediment outlet of tornado dust collector is communicated with collection device.
As optimal technical scheme, described pulse dust collector is also provided with sediment outlet, and the sediment outlet of pulse dust collector is communicated with collection device.
Preferably, described collection device is hopper, and described first e Foerderanlage is feeding screw, and the upper end of hopper and the solid material outlet of rotary kiln, the lower end of hopper is communicated with feeding screw.
Preferably, described rotary kiln diameter is 1.5m-2m, and rotary kiln length is 15m-20m.
Preferably, lay in described rotary kiln and to break up and from clearing apparatus.
Preferably, described stirring reaction device is continuous double shaft mixer.
After adopting such scheme, high-moisture percentage of the present utility model is containing the treatment unit of chromium body refuse, pass through heating means, make fully to be reduced to 20%-30% containing chromium body refuse water ratio, be convenient to cured later stabilization stir, contribute to plant running, improve treatment effect, not only saved time but also saving of labor when Practical Project is implemented.
Accompanying drawing explanation
Fig. 1 is the structural representation of the treatment unit of high-moisture percentage heavy metal body refuse of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, the treatment unit of high-moisture percentage heavy metal body refuse of the present utility model, comprising:
Feed system, comprises lift 1, for receiving hopper 2 and second e Foerderanlage 3 of high-moisture percentage heavy metal body refuse in lift, wherein hopper 2 is located on the second e Foerderanlage 3, and the second e Foerderanlage 3 is communicated with the opening for feed 40 of rotary kiln 4;
Rotary kiln 4, diameter is 1.5m-2m, and length is 15m-20m, is provided with opening for feed 40, hot blast intake 41, pneumatic outlet 42 and admittedly expects outlet 43; Lay in rotary kiln 4 and to break up and from clearing apparatus 14.
Hotblast stove, comprises body of heater 5 and by the induced draft fan 6 of the high-temperature gas introducing rotary kiln 4 in body of heater 5, wherein body of heater 5 is communicated with the hot blast intake of rotary kiln 4;
Tornado dust collector 7, are provided with inlet mouth 70 and air outlet 71, and the inlet mouth 70 of tornado dust collector is communicated with the pneumatic outlet 42 of rotary kiln.In optimal technical scheme of the present utility model, the bottom of tornado dust collector 7 can be provided with sediment outlet (not shown), and sediment outlet is communicated with collection device 10.
Pulse dust collector 8, is provided with inlet mouth 80 and air outlet 81, and the inlet mouth 80 of pulse dust collector 8 is communicated with the air outlet 71 of tornado dust collector.In optimal technical scheme of the present utility model, the bottom of pulse dust collector 8 also can be provided with sediment outlet, and sediment outlet is communicated with collection device 10.
Gu e Foerderanlage collected by material, comprise the collection device 10 and the first e Foerderanlage 11 that are interconnected, wherein collection device 10 is communicated with the solid material outlet 43 of rotary kiln 4; Collection device 10 is hopper, and the first e Foerderanlage 11 is feeding screw, and the upper end of hopper is communicated with the solid material outlet 43 of rotary kiln 4, and the lower end of hopper is communicated with feeding screw.
Gu material processing device, comprise stirring reaction device 13(continuous double shaft mixer) and in stirring reaction device 13, add the medicament adding device 12 of medicament, wherein stirring reaction device 13 is communicated with the first e Foerderanlage 11;
Gas discharging apparatus 9(chimney), it is communicated with the air outlet of pulse dust collector 8.
To be treated to example containing chromium body refuse, illustrate that the processing step utilizing device of the present utility model to process high-moisture percentage heavy metal body refuse is as follows:
Shown in composition graphs 1, the lift 1 of feed system, hopper 2 and the second e Foerderanlage 3 is utilized to be transported in rotary kiln 4 by high-moisture percentage containing chromium body refuse, the body of heater 5 of hotblast stove is while heating, by induced draft fan 6, hot blast is transmitted in rotary kiln 4, and with containing chromium body refuse inverse motion, body refuse also does radial motion while axial motion in rotary kiln 4, allow and carry out the exchange of moisture content intensity containing moisture content material and warm air, for ensureing discharge energy meet the requirement of environmental protection, rotary kiln 4 configures two cover cleaning apparatuss, first set dedusting is the temperature (settle solids enters collection device 10) that tornado dust collector 7 carry out that the separation of impurity and reduction enter the dedusting of lower road, enter pulsaire collector 8 through pipeline carry out the collection of micro mist thus reach emission standard (settle solids enters collection device 10), waste gas is discharged by blowdown stack 9.Dried body refuse is bulk material, discharge at discharge port and enter collection device (hopper) 10, stirring reaction device 13 is delivered to by the first e Foerderanlage (feeding screw) 11, the medicament that adds with medicament adding device 12 is (for solidifying containing heavy metal body refuse and the medicament of stabilization, comprise sulfide, cement, calcium oxide etc.) mix and blend, reach the effect containing chromium body refuse solidification and stabilization.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (9)
1. a treatment unit for high-moisture percentage heavy metal body refuse, is characterized in that, comprising:
Rotary kiln, is provided with opening for feed, hot blast intake, pneumatic outlet and admittedly expects outlet;
Hotblast stove, comprises body of heater and by the induced draft fan of the high-temperature gas introducing rotary kiln in body of heater, wherein body of heater is communicated with the hot blast intake of rotary kiln;
Tornado dust collector, are provided with inlet mouth and air outlet, and the inlet mouth of tornado dust collector is communicated with the pneumatic outlet of rotary kiln;
Pulse dust collector, is provided with inlet mouth and air outlet, and the inlet mouth of pulse dust collector is communicated with the air outlet of tornado dust collector;
Gu e Foerderanlage collected by material, comprise the collection device and the first e Foerderanlage that are interconnected, wherein the solid material outlet of collection device and rotary kiln;
Gu material processing device, comprise stirring reaction device and in stirring reaction device, add the medicament adding device of medicament, wherein stirring reaction device is communicated with the first e Foerderanlage.
2. the treatment unit of high-moisture percentage heavy metal body refuse according to claim 1, it is characterized in that, also comprise feed system, described feed system comprises lift, for receiving hopper and second e Foerderanlage of high-moisture percentage heavy metal body refuse in lift, wherein hopper is located on the second e Foerderanlage, second e Foerderanlage is belt conveyor, and is communicated with the opening for feed of rotary kiln.
3. the treatment unit of high-moisture percentage heavy metal body refuse according to claim 1, it is characterized in that, also comprise gas discharging apparatus, it is communicated with the air outlet of pulse dust collector.
4. the treatment unit of high-moisture percentage heavy metal body refuse according to claim 1, is characterized in that, described tornado dust collector are also provided with sediment outlet, and the sediment outlet of tornado dust collector is communicated with collection device.
5. the treatment unit of high-moisture percentage heavy metal body refuse according to claim 1, is characterized in that, described pulse dust collector is also provided with sediment outlet, and the sediment outlet of pulse dust collector is communicated with collection device.
6. the treatment unit of high-moisture percentage heavy metal body refuse according to claim 1, it is characterized in that, described collection device is hopper, and described first e Foerderanlage is feeding screw, the upper end of hopper and the solid material outlet of rotary kiln, the lower end of hopper is communicated with feeding screw.
7. the treatment unit of high-moisture percentage heavy metal body refuse according to claim 1, is characterized in that, described rotary kiln diameter is 1.5m-2m, and rotary kiln length is 15m-20m.
8. the treatment unit of high-moisture percentage heavy metal body refuse according to claim 1, is characterized in that,
Lay in described rotary kiln and to break up and from clearing apparatus.
9. the treatment unit of high-moisture percentage heavy metal body refuse according to claim 1, described stirring reaction device is continuous double shaft mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520870865.3U CN205133381U (en) | 2015-11-04 | 2015-11-04 | Processing apparatus of high moisture content heavy metal mud sediment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520870865.3U CN205133381U (en) | 2015-11-04 | 2015-11-04 | Processing apparatus of high moisture content heavy metal mud sediment |
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| Publication Number | Publication Date |
|---|---|
| CN205133381U true CN205133381U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520870865.3U Active CN205133381U (en) | 2015-11-04 | 2015-11-04 | Processing apparatus of high moisture content heavy metal mud sediment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000593A (en) * | 2021-02-24 | 2021-06-22 | 煜环环境科技有限公司 | Contaminated soil ex-situ remediation equipment and remediation process |
-
2015
- 2015-11-04 CN CN201520870865.3U patent/CN205133381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000593A (en) * | 2021-02-24 | 2021-06-22 | 煜环环境科技有限公司 | Contaminated soil ex-situ remediation equipment and remediation process |
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