CN209778617U - system for handle mud - Google Patents
system for handle mud Download PDFInfo
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- CN209778617U CN209778617U CN201920415399.8U CN201920415399U CN209778617U CN 209778617 U CN209778617 U CN 209778617U CN 201920415399 U CN201920415399 U CN 201920415399U CN 209778617 U CN209778617 U CN 209778617U
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- gas
- pyrolysis gas
- pyrolysis
- regulating valve
- combustion
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- 239000007789 gas Substances 0.000 claims abstract description 225
- 238000000197 pyrolysis Methods 0.000 claims abstract description 165
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000003546 flue gas Substances 0.000 claims abstract description 58
- 230000001105 regulatory effect Effects 0.000 claims abstract description 42
- 238000002485 combustion reaction Methods 0.000 claims abstract description 34
- 239000010802 sludge Substances 0.000 claims abstract description 32
- 239000002296 pyrolytic carbon Substances 0.000 claims abstract description 11
- 238000000746 purification Methods 0.000 claims description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000010926 purge Methods 0.000 abstract 2
- 238000004868 gas analysis Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010980 drying distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
the utility model discloses a system for handle mud, include: the municipal gas conveying pipeline is provided with a municipal gas regulating valve and a quick-cutting valve; a secondary air regulating valve is arranged at a secondary air inlet on the combustor, a combustion-supporting air regulating valve is arranged at a combustion-supporting air inlet, and a flue gas temperature sensor is arranged at a combustion flue gas outlet; the dry distillation machine is provided with a sludge inlet, a combustion flue gas inlet, a pyrolytic carbon outlet and a pyrolytic gas outlet; a purge device having a pyrolysis gas inlet and a purge gas outlet; an exhaust valve is arranged on the first branch pipeline on the pyrolysis gas conveying pipeline, and a pyrolysis gas temperature sensor, a pyrolysis gas pressure sensor, a pyrolysis gas flow sensor, a pyrolysis gas analyzer and a pyrolysis gas regulating valve are arranged on the second branch pipeline; and the control device is connected with the municipal gas regulating valve, the quick-cutting valve, the secondary air regulating valve, the combustion-supporting gas regulating valve, the flue gas temperature sensor, the emptying valve, the pyrolysis gas temperature sensor, the pyrolysis gas pressure sensor, the pyrolysis gas flow sensor, the pyrolysis gas analyzer and the pyrolysis gas regulating valve.
Description
Technical Field
The utility model belongs to mud utilization technology, concretely relates to system for handle mud.
Background
The sludge drying pyrolysis carbonization treatment process is a relatively advanced sludge treatment technology, can prevent dioxin pollution generated by sludge incineration, meets the requirement of national greenhouse gas emission reduction, and the generated biochar is mainly used for building materials, garden soil improvement and the like, and the specific process is as follows: after sludge (with the water content of 80-90%) generated by sewage treatment is treated by a dryer for three times, the water content of the sludge is reduced to be below 20%, the sludge with the water content of 20% is conveyed into a dry distillation machine by a screw conveyor, the outside of the dry distillation machine is heated, the sludge in the dry distillation machine is heated to 660-780 ℃ by utilizing the heat conduction effect, and the dry distillation components of the sludge are CO and H2、CH4、CO2And CnHmEtc. gas (pyrolysis gas for short), the main combustible gas components are CO and H2And CH4The calorific value of the combustible gas is very high, and the combustible gas is very good energy supply for heat; the sludge after dry distillation is subjected to processes such as cooling and the like to generate biochar. The pyrolysis gas thermally decomposed by the dry distillation machine is mixed with dust and impurities, and after washing and drying treatment, the pyrolysis gas is recovered to replace part of municipal natural gas and enters the dry distillation machinethe burner is burnt, and the heat after burning is reused for drying or dry distillation of the sludge, so that the energy is recycled.
Before the pyrolysis gas is not generated, the fuel of the combustor is municipal natural gas, the gas supply pressure of the municipal natural gas is basically unchanged, the heat value is stable, and the combustion of the combustor is basically stable; along with the proceeding of the carbonization and pyrolysis of the sludge, the pyrolysis gas is gradually generated, the pyrolysis gas can enter a burner of the dry distillation machine to participate in the combustion, the components and the speed of the generated pyrolysis gas are not fixed, and the combustion of the burner is greatly influenced: 1. when the yield of the pyrolysis gas is low, the burner is easy to extinguish the fire; 2. when the yield of the pyrolysis gas is high, the combustible gas in the burner is insufficiently combusted, a large amount of nitrogen oxides are generated to pollute the environment, and simultaneously, carbon oxides are generated to cause explosion.
Therefore, how to solve the problem that the pyrolysis gas generated by the dry distillation machine is recycled for the combustor to carry out stable combustion needs to be solved.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a system for handle mud adopts this system can guarantee the stable burning of pyrolysis gas in the combustor, has guaranteed the pyrolysis efficiency of mud to the energy has been practiced thrift on the basis of realizing the abundant recycle of resource.
In one aspect of the present invention, the present invention provides a system for treating sludge. According to the utility model discloses an embodiment, the system includes:
The municipal gas conveying pipeline is provided with a municipal gas regulating valve and a quick-cutting valve;
The combustor is provided with a gas inlet, a secondary air inlet, a combustion-supporting gas inlet and a combustion flue gas outlet, the gas inlet is connected with the municipal gas conveying pipeline, a secondary air regulating valve is arranged at the secondary air inlet, a combustion-supporting gas regulating valve is arranged at the combustion-supporting gas inlet, and a flue gas temperature sensor is arranged at the combustion flue gas outlet;
The system comprises a dry distillation machine, a sludge inlet, a combustion flue gas inlet, a pyrolytic carbon outlet, a pyrolytic gas outlet and a tail gas outlet, wherein the combustion flue gas inlet is connected with the combustion flue gas outlet;
The purification device is provided with a pyrolysis gas inlet and a purification gas outlet, and the pyrolysis gas inlet is connected with the pyrolysis gas outlet;
The pyrolysis gas conveying pipeline comprises a main pipeline, a first branch pipeline and a second branch pipeline, the main pipeline is respectively connected with the purified gas outlet, the first branch pipeline and the second branch pipeline, an emptying valve is arranged on the first branch pipeline, a pyrolysis gas temperature sensor, a pyrolysis gas pressure sensor, a pyrolysis gas flow sensor, a pyrolysis gas analyzer and a pyrolysis gas regulating valve are arranged on the second branch pipeline, the main pipeline is connected with the purified gas outlet, and the second branch pipeline is connected with the gas inlet;
The control device is connected with the municipal gas regulating valve, the quick-switching valve, the secondary air regulating valve, the combustion-supporting gas regulating valve, the flue gas temperature sensor, the emptying valve, the pyrolysis gas temperature sensor, the pyrolysis gas pressure sensor, the pyrolysis gas flow sensor, the pyrolysis gas analyzer and the pyrolysis gas regulating valve, and the municipal gas regulating valve, the quick-switching valve, the secondary air regulating valve, the combustion-supporting gas regulating valve, the emptying valve and the pyrolysis gas regulating valve are adjusted based on the temperature of the flue gas temperature sensor and the analysis result of the pyrolysis gas analyzer.
According to the utility model discloses system for handle mud is through setting up the blowoff valve on pyrolysis gas pipeline, pyrolysis gas temperature-sensing ware, pyrolysis gas pressure sensor, pyrolysis gas flow inductor, pyrolysis gas analysis appearance and pyrolysis gas governing valve, and burning flue gas exit on the combustor sets up flue gas temperature-sensing ware, set up controlling means simultaneously, this controlling means and municipal gas governing valve and fast switch valve on the municipal gas pipeline, overgrate air governing valve and combustion-supporting gas governing valve on the combustor, flue gas temperature-sensing ware, the blowoff valve, pyrolysis gas temperature-sensing ware, pyrolysis gas pressure inductor, pyrolysis gas flow inductor, pyrolysis gas analysis appearance, pyrolysis gas governing valve link to each other, based on the temperature of flue gas temperature-sensing ware and the analysis result of pyrolysis gas analysis appearance, adjust municipal gas governing valve, fast switch valve, overgrate air governing valve, The combustion-supporting gas regulating valve, the emptying valve and the pyrolysis gas regulating valve ensure that flue gas generated after pyrolysis gas enters the combustor for combustion can meet the requirement of complete combustion. Therefore, the system can ensure the stable combustion of the pyrolysis gas in the combustor and the pyrolysis efficiency of the sludge, thereby saving energy on the basis of realizing the full recycling of resources.
In addition, the system for treating sludge according to the above embodiment of the present invention may further have the following additional technical features:
Optionally, the dry distillation machine comprises an outer cylinder and an inner cylinder, the outer cylinder is sleeved on the inner cylinder, a heating channel is formed between the outer cylinder and the inner cylinder, the sludge inlet, the pyrolytic carbon outlet and the pyrolytic gas outlet are arranged on the inner cylinder, and the combustion flue gas inlet and the tail gas outlet are arranged on the outer cylinder.
Optionally, the sludge inlet and the combustion flue gas inlet are arranged at two ends of the dry distillation machine.
Optionally, the sludge inlet is disposed adjacent to the tail gas outlet, and the combustion flue gas inlet is disposed adjacent to the pyrolytic carbon outlet.
Optionally, the purification device comprises a water washing tower and a drying device which are connected in sequence. Therefore, the quality of the pyrolysis gas can be improved.
Optionally, an induced draft fan is arranged on the main pipeline.
Optionally, the pyrolysis gas analyzer analyzes the methane, hydrogen, and carbon monoxide content of the pyrolysis gas.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
Fig. 1 is a schematic structural view of a system for treating sludge according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
in the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In one aspect of the present invention, the present invention discloses a system for treating sludge. According to an embodiment of the present invention, referring to fig. 1, the system includes: the device comprises a municipal gas conveying pipeline 100, a combustor 200, a dry distillation machine 300, a purification device 400, a pyrolysis gas conveying pipeline 500 and a control device 600.
according to the utility model discloses an embodiment is equipped with municipal gas governing valve 11 and fast valve 12 of cutting on municipal gas pipeline 100, wherein municipal gas governing valve is used for adjusting the flow of municipal gas, and fast valve of cutting is used for opening fast or cutting off the supply of municipal gas.
according to the embodiment of the utility model provides a combustor 200 has gas entry 201, overgrate air entry 202, combustion-supporting gas entry 203 and burning flue gas export 204, and gas entry 201 links to each other with municipal gas pipeline 100 to overgrate air entry 202 department is equipped with overgrate air governing valve 21, and combustion-supporting gas entry 203 department is equipped with combustion-supporting gas governing valve 22, and burning flue gas export 204 department is equipped with flue gas temperature-sensing ware 23. Specifically, municipal gas is supplied to the combustor through municipal gas pipeline and is mixed burning with the combustion-supporting gas in, obtains burning flue gas to can adjust municipal gas governing valve, overgrate air governing valve and combustion-supporting gas governing valve based on the demonstration of burning flue gas outlet flue gas temperature-sensing ware, thereby guarantee that the burning flue gas that the combustor produced satisfies the needs of mud pyrolysis in the follow-up dry distillation machine.
According to the embodiment of the utility model, be equipped with mud entry 301, burning flue gas entry 302, pyrolytic carbon export 303, pyrolysis gas export 304 and tail gas export 305 on the dry distillation machine 300, burning flue gas entry 302 links to each other with burning flue gas export 204, and is arranged in supplying with the burning flue gas that above-mentioned combustor obtained to the dry distillation machine as the heat source carry out pyrolysis treatment to mud, obtains pyrolysis gas, pyrolytic carbon and tail gas. According to the utility model discloses a specific embodiment, refer to fig. 1, dry distillation machine 300 includes urceolus 31 and inner tube 32, urceolus 31 cover is established on inner tube 32, and form heating channel 30 between urceolus 31 and the inner tube 32, sludge inlet 301, pyrolytic carbon export 303 and pyrolysis gas export 304 are established on inner tube 32, burning flue gas entry 302 and tail gas export 305 are established on urceolus 31, be about to in mud is supplied with to the inner tube, the burning flue gas is supplied with to carrying out indirect heating to the inner tube in the heating channel, make the mud pyrolysis produce pyrolysis gas and pyrolytic carbon, and discharge after the tail gas purification after burning flue gas and the inner tube heat transfer, the direct contact of burning flue gas and mud has been avoided, thereby the pyrolysis gas and the air contact that have avoided producing explode under high temperature. According to a specific example of the utility model, mud entry 301 is established at the both ends of dry distillation machine 300 with burning flue gas entry 302 to mud entry 301 is close to tail gas outlet 305 and sets up, and burning flue gas entry 302 is close to pyrolysis carbon export 303 and sets up, and burning flue gas and mud are just indirect contact against the current in the dry distillation machine promptly.
According to the utility model discloses an embodiment, purifier 400 has pyrolysis gas entry 401 and purification gas export 402, and pyrolysis gas entry 401 links to each other with pyrolysis gas export 304, and is arranged in carrying out purification treatment to the pyrolysis gas that the pyrolysis obtained in the dry distillation machine, obtains the purification gas. According to a specific embodiment of the present invention, referring to fig. 1, the purification apparatus 400 includes a water washing tower 41 and a drying apparatus 42 connected in sequence, that is, the pyrolysis gas obtained in the dry distillation machine is firstly washed in the water washing tower to wash away dust in the pyrolysis gas, and then the washed pyrolysis gas is supplied to a dryer for drying.
According to the utility model discloses an embodiment, pyrolysis gas pipeline 500 includes trunk line 51, first lateral conduit 52 and second lateral conduit 53, trunk line 51 respectively with purify gas outlet 402, first lateral conduit 52 and second lateral conduit 53 link to each other, be equipped with blowoff valve 521 on the first lateral conduit 52, be equipped with pyrolysis gas temperature-sensing ware 531 on the second lateral conduit 53, pyrolysis gas pressure-sensing ware 532, pyrolysis gas flow inductor 533, pyrolysis gas analysis appearance 534 and pyrolysis gas governing valve 535, second lateral conduit 53 links to each other with gas inlet 201, and be arranged in supplying to the purification gas that obtains among the purifier and use as the gas in the combustor. Specifically, the main pipe 51 is provided with an induced draft fan 511, so as to provide power for pyrolysis gas delivery.
According to the embodiment of the utility model, controlling means 600 and municipal gas governing valve 11, fast cut-off valve 12, overgrate air governing valve 21, combustion-supporting gas governing valve 22, flue gas temperature-sensing ware 23, blowoff valve 521, pyrolysis gas temperature-sensing ware 531, pyrolysis gas pressure-sensing ware 532, pyrolysis gas flow inductor 533, pyrolysis gas analysis appearance 534, pyrolysis gas governing valve 535 links to each other, temperature based on flue gas temperature-sensing ware 23, pyrolysis gas pressure-sensing ware 532 shows and pyrolysis gas analysis appearance 534's analysis result, adjust municipal gas governing valve 11, fast cut-off valve 12, overgrate air governing valve 21, combustion-supporting gas governing valve 22, blowoff valve 12 and pyrolysis gas governing valve 535.
Specifically, referring to fig. 1, when the vehicle is started, the control device 600 adjusts the municipal gas regulating valve 11, the fast switching valve 12 and the combustion-supporting gas regulating valve 22 on the municipal gas conveying pipeline 100, so that the municipal gas and the combustion-supporting air enter the combustor 200 for combustion according to a set air-fuel ratio, and based on the temperature display of the flue gas temperature sensor 23, the control device 600 simultaneously adjusts the secondary air regulating valve 21, i.e., adjusts the air inflow of the secondary air to control the temperature of the combustion flue gas within a temperature range required for sludge pyrolysis, the generated combustion flue gas enters the heating channel 30 through the outer cylinder 31 of the dry distillation machine 300 for preheating, after the inner cylinder 32 is preheated to a certain temperature, the sludge is supplied to the inner cylinder 32 of the dry distillation machine 300, as the temperature rises, the sludge drying and carbonization reaction gradually proceeds, the pyrolysis gas is generated, and is unstable, the control device 600 closes the pyrolysis gas regulating valve 535 in advance and opens, the purified gas obtained by the purification device 400 is subjected to evacuation treatment or combustion treatment, the sludge is dried and carbonized and gradually enters a stable treatment stage along with the stable addition of the sludge, then the pyrolysis gas is also stably generated, at this time, the control device 600 opens the pyrolysis gas regulating valve 535 and closes the evacuation valve 521, so that the purified gas obtained by the purification device 400 enters the combustor 200 to participate in combustion, the use amount of the municipal gas is saved, at this time, the pyrolysis gas and the municipal gas participate in the combustion in the combustor 200 at the same time, however, the air-fuel ratio of the combustor 200 is difficult to adjust in time due to the unstable components of the pyrolysis gas, at this time, the pyrolysis gas analyzer 534 arranged on the pyrolysis gas conveying pipeline 500 monitors the components of the pyrolysis gas in real time and transmits the fractions of the pyrolysis gas back to the control device 600, and the pyrolysis gas temperature sensor 531, the pyrolysis gas pressure sensor 532 and the pyrolysis gas flow sensor 533 also monitor the relevant parameters of the pyrolysis gas in real time and feed back the data, the control device 600 calculates the contents of methane, hydrogen and carbon monoxide in the pyrolysis gas under standard conditions through an ideal gas state equation, calculates the oxygen content required by the pyrolysis gas when the pyrolysis gas is combusted in the combustor 200 through a combustion chemical equation of the main components of the pyrolysis gas and the state equation of the ideal gas, calculates the air quantity theoretically required by the pyrolysis gas when the pyrolysis gas is combusted in the combustor 200, namely determines the air-fuel ratio of the combustor, multiplies the air excess coefficient by 1.17 to obtain the air quantity required by the pyrolysis gas when the pyrolysis gas is combusted in the combustor 200, converts the required air quantity into the opening degree of the secondary air regulating valve 21, outputs and controls the opening degree of the secondary air regulating valve 21, and therefore the requirement of complete combustion of the pyrolysis gas in the combustor 200 is met. Along with the pyrolysis gas enters the combustor 200 to participate in combustion, the control device 600 controls the opening degree of the municipal gas regulating valve 11 to be reduced, the amount of the municipal gas is reduced, and the control device 600, based on the display of the flue gas temperature sensor 23, needs to increase the amount of the municipal gas to make up the problem that the flue gas temperature of the combustor 200 cannot meet the set temperature requirement when the flue gas temperature generated after the pyrolysis gas is combusted cannot reach the preset temperature. And when the temperature of the flue gas generated after the pyrolysis gas is combusted can reach the preset temperature, the control device 600 closes the quick-cut valve 12 on the municipal gas conveying pipeline 100.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. A system for treating sludge, comprising:
The municipal gas conveying pipeline is provided with a municipal gas regulating valve and a quick-cutting valve;
The combustor is provided with a gas inlet, a secondary air inlet, a combustion-supporting gas inlet and a combustion flue gas outlet, the gas inlet is connected with the municipal gas conveying pipeline, a secondary air regulating valve is arranged at the secondary air inlet, a combustion-supporting gas regulating valve is arranged at the combustion-supporting gas inlet, and a flue gas temperature sensor is arranged at the combustion flue gas outlet;
the system comprises a dry distillation machine, a sludge inlet, a combustion flue gas inlet, a pyrolytic carbon outlet, a pyrolytic gas outlet and a tail gas outlet, wherein the combustion flue gas inlet is connected with the combustion flue gas outlet;
The purification device is provided with a pyrolysis gas inlet and a purification gas outlet, and the pyrolysis gas inlet is connected with the pyrolysis gas outlet;
The pyrolysis gas conveying pipeline comprises a main pipeline, a first branch pipeline and a second branch pipeline, the main pipeline is respectively connected with the purified gas outlet, the first branch pipeline and the second branch pipeline, an emptying valve is arranged on the first branch pipeline, a pyrolysis gas temperature sensor, a pyrolysis gas pressure sensor, a pyrolysis gas flow sensor, a pyrolysis gas analyzer and a pyrolysis gas regulating valve are arranged on the second branch pipeline, and the second branch pipeline is connected with the gas inlet;
the control device is connected with the municipal gas regulating valve, the quick-switching valve, the secondary air regulating valve, the combustion-supporting gas regulating valve, the flue gas temperature sensor, the emptying valve, the pyrolysis gas temperature sensor, the pyrolysis gas pressure sensor, the pyrolysis gas flow sensor, the pyrolysis gas analyzer and the pyrolysis gas regulating valve, and the municipal gas regulating valve, the quick-switching valve, the secondary air regulating valve, the combustion-supporting gas regulating valve, the emptying valve and the pyrolysis gas regulating valve are adjusted based on the temperature of the flue gas temperature sensor and the analysis result of the pyrolysis gas analyzer.
2. The system according to claim 1, wherein the dry distillation machine comprises an outer cylinder and an inner cylinder, the outer cylinder is sleeved on the inner cylinder, a heating channel is formed between the outer cylinder and the inner cylinder, the sludge inlet, the pyrolytic carbon outlet and the pyrolysis gas outlet are arranged on the inner cylinder, and the combustion flue gas inlet and the tail gas outlet are arranged on the outer cylinder.
3. The system according to claim 1 or 2, wherein the sludge inlet and the combustion flue gas inlet are provided at both ends of the retort machine.
4. the system of claim 3, wherein the sludge inlet is disposed proximate to the tail gas outlet and the combustion flue gas inlet is disposed proximate to the pyrolytic carbon outlet.
5. The system of claim 1, wherein the purification device comprises a water washing tower and a drying device connected in series.
6. The system of claim 1, wherein an induced draft fan is arranged on the main pipeline.
7. the system of claim 1, wherein the pygas analyzer analyzes the content of methane, hydrogen, and carbon monoxide in the pygas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415399.8U CN209778617U (en) | 2019-03-28 | 2019-03-28 | system for handle mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415399.8U CN209778617U (en) | 2019-03-28 | 2019-03-28 | system for handle mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209778617U true CN209778617U (en) | 2019-12-13 |
Family
ID=68800293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920415399.8U Expired - Fee Related CN209778617U (en) | 2019-03-28 | 2019-03-28 | system for handle mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209778617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109956640A (en) * | 2019-03-28 | 2019-07-02 | 北京云水浩瑞环境科技有限公司 | The system for handling sludge |
| CN116535073A (en) * | 2023-03-17 | 2023-08-04 | 上海市政工程设计研究总院（集团）有限公司 | Sludge-water-gas cooperative treatment method for sewage plant |
-
2019
- 2019-03-28 CN CN201920415399.8U patent/CN209778617U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109956640A (en) * | 2019-03-28 | 2019-07-02 | 北京云水浩瑞环境科技有限公司 | The system for handling sludge |
| CN116535073A (en) * | 2023-03-17 | 2023-08-04 | 上海市政工程设计研究总院（集团）有限公司 | Sludge-water-gas cooperative treatment method for sewage plant |
| CN116535073B (en) * | 2023-03-17 | 2024-04-19 | 上海市政工程设计研究总院（集团）有限公司 | Sludge-water-gas cooperative treatment method for sewage plant |
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Granted publication date: 20191213 |