CN207294550U - Sludge drying device containing volatile organic compounds - Google Patents
Sludge drying device containing volatile organic compounds Download PDFInfo
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- CN207294550U CN207294550U CN201720518062.0U CN201720518062U CN207294550U CN 207294550 U CN207294550 U CN 207294550U CN 201720518062 U CN201720518062 U CN 201720518062U CN 207294550 U CN207294550 U CN 207294550U
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- organic compounds
- volatile organic
- drying device
- sludge drying
- device containing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model proposes a kind of sludge drying device containing volatile organic compounds, including：Mesh belt transmission module, condensing heat-exchange module, processing unit and pressure fan；Wherein, in being sent air to the mesh belt transmission module by the condensing heat-exchange module, which is located between the condensing heat-exchange module and the pressure fan blower-use, for removing the volatile organic compounds after desiccation in air.It can remove the VOC that drying and other treatment process produces while desiccation sludge containing VOC, avoid the pollution again of organic exhaust gas and its hydrotrope, save great amount of cost.
Description
Technical field
It the utility model is related to garbage disposal, more particularly to sludge drying processing.
Background technology
Existing sludge drying processing is generally carried out using sludge at low temperature waste heat desiccation machine.It is former using air-conditioning work
Reason, namely：Condensing heat-exchange principle.Specifically, compressor operating drives whole circulatory system work.Evaporator is by low-pressure liquid
Refrigerant heat flashes to low-pressure gaseous refrigerant.Low-pressure gaseous refrigerant is compressed into high-pressure gaseous refrigerant by compressor.It is cold
High-pressure gaseous refrigerant is condensed into high pressure liquid refrigerant by condenser.High pressure liquid refrigerant is throttled pressure release into low pressure by expansion valve
Liquid refrigerant, forms a refrigerant internal circulation system.In the process, it is damp and hot after evaporator evaporation endothermic drying sludge
Contain a large amount of vapor in air, condensed water discharge is produced after evaporator heat absorption condensation, while damp-heat air becomes dry empty
Gas.Condensed device heat release becomes hot-air to dry air again, for drying sludge, so forms the circulatory system of air.It is existing
This sludge drying treatment equipment can only realize the mud-water separation of sludge, for containing VOC (volatile organic
Compounds, volatile organic compounds) sludge, the organic exhaust gas that sludge produces in drying process can not be removed, these are useless
Gas is dissolved in condensed water discharge or is expelled directly out when equipment is opened, and also needs to collect and disposes again, cost is larger.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of the prior art, proposes a kind of containing volatilization
Property organic compound sludge drying device, the VOC that drying and other treatment process produces can be removed while desiccation sludge containing VOC,
The pollution again of organic exhaust gas and its hydrotrope is avoided, saves great amount of cost.
Technical solution is used by the utility model solves its technical problem：One kind is provided and contains volatile organic compounds
Sludge drying device, including：Mesh belt transmission module, condensing heat-exchange module, processing unit and pressure fan；Wherein, the blower-use
In being sent air to the mesh belt transmission module by the condensing heat-exchange module, which is located at the condensing heat-exchange module with being somebody's turn to do
Between pressure fan, for removing the volatile organic compounds after desiccation in air.
In certain embodiments, which is corona discharge pulse device, it includes wire-plate reactor.
In certain embodiments, it is 100-150kV that the crest value of impulse voltage of the wire-plate reactor, which is selected,.
In certain embodiments, it is 10-15cm that the arrester stage of the wire-plate reactor and plate electrode distance, which are selected, between plate
It is 20-30cm away from selecting.
In certain embodiments, it is 10cm that the arrester stage of the wire-plate reactor and plate electrode distance, which are selected, corona interpolar
It is 80mm that spacing, which is selected,.
In certain embodiments, it is 0.6m that the electric field length of the wire-plate reactor, which is selected,.
In certain embodiments, it is 0.14m that the electric field height of the wire-plate reactor, which is selected, port number 7.
In certain embodiments, it is 3cm that the gas port bore of the wire-plate reactor, which is selected,.
In certain embodiments, which is pulse discharge means.
In certain embodiments, which includes first-stage condenser, evaporator and secondary condenser, the place
Reason device string is located between the secondary condenser and the pressure fan.
The beneficial effects of the utility model are, by dexterously using the front end that processing unit is mounted in pressure fan, two
The rear end of level condenser, dry air can remove VOC after secondary condenser heats, by the processing unit, then by being somebody's turn to do
Pressure fan is sent to mesh belt transmission module, so as to while desiccation sludge containing VOC, remove what drying and other treatment process produced
VOC, avoids the pollution again of organic exhaust gas and its hydrotrope, saves great amount of cost.
Brief description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the operation principle signal of the corona discharge pulse device in the sludge drying device containing VOC of the utility model.
Fig. 2 is the operation principle flow signal of the corona discharge pulse device of the utility model.
Fig. 3 illustrates for the principle of wire-plate reactor in the corona discharge pulse device of the utility model.
Fig. 4 be the utility model corona discharge pulse device in wire-plate reactor structural representation.
Fig. 5 a and Fig. 5 b are the structural representation of two different visual angles of the sludge drying device containing VOC of the utility model.
Wherein, the reference numerals are as follows：31 thief hatch, 32 air inlets, 33 housings, 34 insulators, 35 exhaust outlets, 36
Thief hatch, 37 corona wires, 41 electric field lengths, 42 corona interpolar spacing, 43 electric field heights, 44 gas port bores, 501 insulation shells,
502 lower net bands, 503 upper wire bands, 504 circulating fans, 505 first-stage condensers, 506 filter screens, 507 evaporators, 508 pulses
Corona discharge assembly, 509 compressors, 510 pressure fan, 511 secondary condensers.
Embodiment
In conjunction with attached drawing, the preferred embodiment to the utility model elaborates.
Referring to Fig. 1, Fig. 1 is the work of the corona discharge pulse device in the sludge drying device containing VOC of the utility model
Principle is illustrated.The utility model proposes a kind of sludge drying device containing VOC, corona discharge pulse device is provided with, is utilized
Impulse Discharge Stimulation Technique handles harmful VOC.Specifically, this contains VOC sludge drying devices by basic drying and other treatment process
S101, can produce harmful VOC；By the discharge treatment process S102 of Impulse Discharge Stimulation Technique, active particle is produced；Again by activity
Physics and chemical reaction between particle and harmful VOC, innocuous substance is converted to by harmful VOC.
Referring to Fig. 2, Fig. 2 is the operation principle flow signal of the corona discharge pulse device of the utility model.Pulse electricity
The operation principle of corona device generally comprises following steps：
S201, establish electric field；
S202, corona discharge；
S203, form the electronics and ion largely with certain energy；
S204, the plasma and ozone for forming each excited oxygen；
S205, the electronics for making to have certain energy, the action of plasma of ozone and oxygen are in VOC；
S206, obtain final product：CO2、CO、H2O。
Referring to Fig. 3, Fig. 3 illustrates for the principle of wire-plate reactor in the corona discharge pulse device of the utility model.Examine
Consider：Impulse electric corona plasma handles the reactor of VOCs, mainly has：Line-board-like and two kinds of forms of line-cartridge type.Gas exists
The residence time is longer in wire-plate reactor, and it is more to receive high energy electron, ion bombardment chance, and gas enters in reactor not
Turn round, do not collided with other objects, resistance is small, therefore the consideration wire-plate reactor when handling large quantity of exhaust gas.Line-board-like anti-
The principle structure of device is answered to generally comprise：Thief hatch 31, air inlet 32, housing 33, insulator 34, exhaust outlet 35, thief hatch 36
With corona wire 7.
With reference to referring to Fig. 3 and Fig. 4, Fig. 4 be the utility model corona discharge pulse device in wire-plate reactor knot
Structure is illustrated.By taking the treating capacity of 300m3/h as an example, the parameter of wire-plate reactor determines to be mainly concerned with the following aspects.
1st, crest value of impulse voltage and power determine.Consider from energy consumption and investment etc., according to theory analysis and
Operation test, crest value of impulse voltage should be in 100-150kV scopes.It is generally acknowledged that unit volume volatile organic gases energy consumption is small
In 5Wh/m3, according to this principle, 300m3/h exhaust gas will consume energy 1.5kW, and by 70% efficiency calculation, power should be
2.5kW。
2nd, plate spacing is definite.According to relevant knowledge, it is known that high-voltage pulse peak value is 100-150kW, then arrester stage and plate
Electrode distance is determined as 10-15cm, plate spacing 20-30cm, and setting arrester stage and plate electrode distance are 10cm, the plate of reactor
Spacing is 20cm.
3rd, corona interpolar spacing determines.According to relevant knowledge, the selectable range of corona interpolar spacing 42 is at 0.25-1 times
Discharge electrode and pole plate distance, it is especially relatively good 0.8 or so.Therefore by corona interpolar spacing 42 be set to 0.8 times of discharge electrode with
Pole plate distance, is 80mm.
4th, electric field length is definite.With reference to the flow rates of impulse electric corona desulfurization reactor, determine that corona discharge is degraded
The flow velocity of VOCs reactors is 0.4m/s.Gas residence time in reactor is longer, and removal rate is higher, but length is longer, into
This is higher.Consider, electric field length 41 is chosen to be 0.6m.
5th, port number is definite.According to treating capacity 300m3/h, gas circulation section S=0.21m2, selection pros are calculated to obtain
Shape break-make face, then electric field height 43 elect 0.14m, port number 7 as.In the present embodiment, gas port bore 44 is chosen to be 3cm.
Regarded referring to two differences of the sludge drying device containing VOC that Fig. 5 a and Fig. 5 b, Fig. 5 a and Fig. 5 b are the utility model
The structural representation at angle.The utility model proposes a kind of sludge drying device containing VOC 500, it includes：Insulation shell 501, lower net
Band 502, upper wire band 503, circulating fan 504, first-stage condenser 505, filter screen 506, evaporator 507, corona discharge pulse
Device 508, compressor 509, pressure fan 510 and secondary condenser 511.
The operation principle of the sludge drying device containing VOC 500 generally comprises：Left part in Fig. 5 a is mesh belt transmission mould
Block, right side are condensing heat-exchange module.Pressure fan 510 is sent air to mesh belt transmission module, due to equipment by condensing heat-exchange module
It is in closed insulation shell 501, air rises through lower net band 502 again through upper wire band 503, while dry on guipure
Sludge.Damp-heat air after baking, returns condensing heat-exchange module, and a part is sent through the first-stage condenser 505 by circulating fan 504
To upper strata guipure 503, a small circulation is formed；Another part through the filter screen 506 filtering after, successively by evaporator 507,
Secondary condenser 511 (incorporated by reference to Fig. 5 b) and corona discharge pulse device 508, then mesh belt transmission module is sent into by pressure fan 510,
Form a big circulation.
Referring to Fig. 5 b, the left and right air passage that this contains VOC sludge drying devices 500 is full symmetric, by taking left one side of something as an example, damp and hot sky
Gas from top to bottom flows through regenerator, flows through evaporator 507 to the right afterwards, then upwards after the filtering of strainer 506, and from dextrad
A left side again flows through regenerator (not contacted with air before from top to bottom), flows through secondary condenser 511, still further below, passes through successively
Overcompression machine 509 and corona discharge pulse device 508, then inwards, mesh belt transmission mould is sent into by circulating fan 510 herein
Block.It is noted that compressor 509 is located at the front end of pressure fan 510, air stream takes away compressor 509 through compressor 509
Work the heat produced, also as one of its heat source.
It is noted that evaporator evaporates refrigerant heat, heat absorption, air, which flows through evaporator, to cool down, therefore evaporates
Device is alternatively referred to as cooler.Condenser condenses refrigerant, and heat release, the condensed device of air stream can heat up, therefore condenser can also claim
For heater.
The beneficial effects of the utility model are, by the way that corona discharge pulse device 508 dexterously is mounted in pressure fan 510
Front end, the rear end of secondary condenser 507, dry air through secondary condenser 507 heating after, by the corona discharge pulse fill
VOC can be removed by putting 508, then be sent by pressure fan 510 to mesh belt transmission module.This structure, makes equipment 500 contain in desiccation
While VOC sludge, the VOC of drying and other treatment process generation can be removed, avoids the pollution again of organic exhaust gas and its hydrotrope,
Save great amount of cost.
It is noted that in other embodiments, also it can replace pulse electricity using other pulse discharge means
Corona device 508, to remove VOC.In other words, can be by other pulse discharge means and the corona discharge pulse device
508 are interpreted as a processing unit in the lump, for removing the VOC after desiccation in air.
It should be appreciated that above example is only to illustrate the technical solution of the utility model, it is rather than its limitations, right
For those skilled in the art, it can modify to the technical solution described in above-described embodiment, or to which part skill
Art feature carries out equivalent substitution；And these are changed and are replaced, it should all belong to the protection domain of the appended claims for the utility model.
Claims (10)
- A kind of 1. sludge drying device containing volatile organic compounds, it is characterised in that including：Mesh belt transmission module, condensation are changed Thermal modules, processing unit and pressure fan；Wherein, the blower-use by the condensing heat-exchange module in being sent air to the mesh belt transmission Module, the processing unit string are located between the condensing heat-exchange module and the pressure fan, for removing the volatilization after desiccation in air Property organic compound.
- 2. sludge drying device containing volatile organic compounds according to claim 1, it is characterised in that：The processing unit For corona discharge pulse device, it includes wire-plate reactor.
- 3. sludge drying device containing volatile organic compounds according to claim 2, it is characterised in that：The line-board-like It is 100-150kV that the crest value of impulse voltage of reactor, which is selected,.
- 4. sludge drying device containing volatile organic compounds according to claim 3, it is characterised in that：The line-board-like It is 10-15cm that the arrester stage of reactor is selected with plate electrode distance, and it is 20-30cm that plate spacing, which is selected,.
- 5. sludge drying device containing volatile organic compounds according to claim 3, it is characterised in that：The line-board-like It is 10cm that the arrester stage of reactor is selected with plate electrode distance, and it is 80mm that corona interpolar spacing, which is selected,.
- 6. sludge drying device containing volatile organic compounds according to claim 2, it is characterised in that：The line-board-like It is 0.6m that the electric field length of reactor, which is selected,.
- 7. sludge drying device containing volatile organic compounds according to claim 2, it is characterised in that：The line-board-like It is 0.14m that the electric field height of reactor, which is selected, port number 7.
- 8. sludge drying device containing volatile organic compounds according to claim 2, it is characterised in that：The line-board-like It is 3cm that the gas port bore of reactor, which is selected,.
- 9. sludge drying device containing volatile organic compounds according to claim 1, it is characterised in that：The processing unit For pulse discharge means.
- 10. according to claim 1 to 9 any one of them sludge drying device containing volatile organic compounds, it is characterised in that： The condensing heat-exchange module includes first-stage condenser, evaporator and secondary condenser, and the processing unit string is located at the B-grade condensation Between device and the pressure fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720518062.0U CN207294550U (en) | 2017-05-11 | 2017-05-11 | Sludge drying device containing volatile organic compounds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720518062.0U CN207294550U (en) | 2017-05-11 | 2017-05-11 | Sludge drying device containing volatile organic compounds |
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| Publication Number | Publication Date |
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| CN207294550U true CN207294550U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720518062.0U Active CN207294550U (en) | 2017-05-11 | 2017-05-11 | Sludge drying device containing volatile organic compounds |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862976A (en) * | 2017-05-11 | 2018-11-23 | 深圳市深水生态环境技术有限公司 | A kind of sludge drying device containing volatile organic compounds |
| CN111732301A (en) * | 2020-06-11 | 2020-10-02 | 山东省淄博生态环境监测中心 | Device and method for treating volatile or semi-volatile organic compounds in sludge |
-
2017
- 2017-05-11 CN CN201720518062.0U patent/CN207294550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862976A (en) * | 2017-05-11 | 2018-11-23 | 深圳市深水生态环境技术有限公司 | A kind of sludge drying device containing volatile organic compounds |
| CN111732301A (en) * | 2020-06-11 | 2020-10-02 | 山东省淄博生态环境监测中心 | Device and method for treating volatile or semi-volatile organic compounds in sludge |
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