CN211650286U - Tectorial membrane sand tail gas treatment facility - Google Patents
Tectorial membrane sand tail gas treatment facility Download PDFInfo
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- CN211650286U CN211650286U CN202020216812.0U CN202020216812U CN211650286U CN 211650286 U CN211650286 U CN 211650286U CN 202020216812 U CN202020216812 U CN 202020216812U CN 211650286 U CN211650286 U CN 211650286U
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- gas
- combustion chamber
- rotary combustion
- chamber
- tail gas
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- 239000004576 sand Substances 0.000 title claims abstract description 60
- 210000002489 tectorial membrane Anatomy 0.000 title abstract description 25
- 238000002485 combustion reaction Methods 0.000 claims abstract description 83
- 238000000746 purification Methods 0.000 claims abstract description 48
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 239000003463 adsorbent Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 56
- 239000012855 volatile organic compound Substances 0.000 abstract description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003546 flue gas Substances 0.000 abstract description 9
- 239000002918 waste heat Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Incineration Of Waste (AREA)
Abstract
The utility model provides a precoated sand tail gas treatment device, which comprises a preheating purification chamber, a rotary combustion chamber, an air inlet pipe and an air outlet pipe; the gas inlet pipe is connected with a gas inlet of the rotary combustion chamber so as to provide gas to be treated for the rotary combustion chamber; a combustor is arranged in the rotary combustion chamber to perform combustion treatment on the received gas; the first inlet of the preheating purification chamber is connected with the air outlet of the rotary combustion chamber, and the preheating purification chamber is internally used for placing a filtering adsorbent in advance so as to filter and adsorb at least part of gas which is not completely combusted, so that the gas enters the rotary combustion chamber together for secondary combustion; the gas outlet pipe is connected with the outlet of the preheating purification chamber to discharge the treated gas. The utility model discloses a tectorial membrane sand tail gas treatment facility has guaranteed the zero release of volatile organic compounds through twice burning processing to tail gas, has realized the abundant burning of waste heat recovery utilization, volatile organic compounds of high temperature flue gas, and the heat is used for tectorial membrane sand aggregate heating, energy saving and emission reduction environmental protection.
Description
Technical Field
The utility model belongs to the technical field of the tectorial membrane sand production, concretely relates to tectorial membrane sand tail gas treatment equipment.
Background
The film-coated proppant is prepared by coating a layer of resin film on the surface of aggregate to improve certain performances of the proppant and achieve the purpose of certain special functions. Because resin, curing agent and the like are required to be added in the preparation process of the precoated sand, more volatile organic compounds are generated in the preparation process, and the standard emission is difficult to realize by a common treatment method, so that the environment is polluted; moreover, the sand mixer and the rotary kiln directly discharge smoke, so that a large amount of heat is wasted, and energy is not saved; in addition, each functional device of the existing production system of the membrane-coated propping agent is respectively configured, the occupied area is large, and each device is respectively provided with a dust removal device, so that the investment cost is high.
Chinese patent CN201811186097 in the prior art discloses a waste heat utilization precoated sand production system, wherein hot air exhausted by a sand mixer enters a rotary heater through a burner, and since the exhausted air contains volatile organic compounds, the viscosity of the exhausted air is increased after the exhausted air is cooled by cold air entering the burner, the exhausted air is easy to adhere to air supply blades and other components of the burner, so that a fault is caused, and the exhausted air is difficult to clean after the fault is generated. Therefore, it is necessary to develop a precoated sand tail gas treatment device, which not only can avoid the emission of volatile organic pollutants, but also can prevent the volatile organic pollutants from being adhered to devices inside the system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a tectorial membrane sand tail gas treatment equipment.
The utility model provides a precoated sand tail gas treatment device, which comprises a preheating purification chamber, a rotary combustion chamber, an air inlet pipe and an air outlet pipe; wherein,
the air inlet pipe is connected with an air inlet of the rotary combustion chamber so as to provide gas to be treated for the rotary combustion chamber;
a combustor is arranged in the rotary combustion chamber to perform combustion treatment on the received gas;
the first inlet of the preheating purification chamber is connected with the gas outlet of the rotary combustion chamber, and a filtering adsorbent is placed in the preheating purification chamber in advance to filter and adsorb at least part of gas which is not completely combusted, so that the gas enters the rotary combustion chamber together for combustion again;
the gas outlet pipe is connected with the outlet of the preheating purification chamber to discharge the treated gas.
Optionally, the filtering adsorbent is coated sand aggregate.
Optionally, the air inlet is arranged on a top wall of a first end of the rotary combustion chamber along the length direction of the rotary combustion chamber, and the air outlet is arranged on a side wall or a bottom wall of a second end of the rotary combustion chamber along the length direction of the rotary combustion chamber.
Optionally, the burner is disposed at the air inlet adjacent to the rotary combustion chamber.
Optionally, the apparatus further comprises a feed pipe connected to the second inlet of the pre-heating purification chamber to supply the filtering adsorbent into the pre-heating purification chamber.
Optionally, the outlet pipe and the feeding pipe are located on the same side of the preheating purification chamber.
Optionally, one side of the feeding pipe, which deviates from the preheating purification chamber, is further provided with an air locking valve.
Optionally, the air exhaust device is further included, and the air exhaust device is connected with the air outlet pipe.
Optionally, the bottom end of the preheating purification chamber is further provided with a connecting pipe, one end of the connecting pipe is communicated with the bottom end of the preheating purification chamber, and the other end of the connecting pipe is connected with the gas outlet of the rotary combustion chamber.
Optionally, the connecting pipe is provided with a regulating valve near the preheating purification chamber.
The utility model discloses tectorial membrane sand tail gas treatment facility, including preheating clean room, gyration combustion chamber, intake pipe and outlet duct, wherein, the intake pipe links to each other with the air inlet of gyration combustion chamber, with to the gyration combustion chamber provides pending gaseous (like volatile organic compounds), be provided with the combustor in the gyration combustion chamber, the high temperature flame that utilizes the combustor to produce carries out combustion treatment to the gas of receiving. In addition, the first inlet of the preheating purification chamber is connected with the gas outlet of the rotary combustion chamber, a filtering adsorbent (such as coated sand aggregate) is placed in the preheating purification chamber in advance to filter and adsorb at least part of gas which is not completely combusted, so that the gas enters the rotary combustion chamber together for secondary combustion, and the gas outlet pipe is connected with the outlet of the preheating purification chamber to discharge the treated gas. Therefore, the utility model discloses a tectorial membrane sand tail gas treatment facility is through treating the twice combustion processing of handling gas, can guarantee the zero release of tectorial membrane sand production in-process volatility organic matter, has realized simultaneously that the high temperature flue gas in the rotary combustion chamber gets into to preheat the clean room and tentatively preheats tectorial membrane sand aggregate, reduces the exhaust gas temperature of tectorial membrane sand aggregate burning in the rotary combustion chamber to realize reducing discharging the environmental protection. In addition, due to the integrated design of the preheating purification chamber, the configuration amount of the equipment is greatly reduced, the investment cost of the equipment is reduced, and the purpose of energy conservation is achieved.
Drawings
Fig. 1 is the utility model discloses tectorial membrane sand tail gas treatment equipment's of embodiment structural schematic.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in FIG. 1, the utility model provides a tectorial membrane sand tail gas treatment facility 100, including preheating clean room 110, gyration combustion chamber 120, intake pipe 130 and outlet duct 140. The gas inlet pipe 130 is connected to the gas inlet 121 of the rotary combustor 120 to supply the gas to be treated to the rotary combustor 120. A burner 122 is provided in the rotary combustor 120 to perform a combustion process on the received gas. The first inlet 111 of the preheating purification chamber 110 is connected with the gas outlet 123 of the rotary combustion chamber 120, and the preheating purification chamber 110 is used for placing a filtering adsorbent in advance to filter and adsorb at least part of the gas which is not completely combusted, so that the gas enters the rotary combustion chamber 120 together for combustion again. The outlet pipe 140 is connected to the outlet 112 of the preheating cleaning chamber 110 to discharge the treated gas.
Illustratively, as shown in fig. 1, an air inlet 121, a burner 122, an air outlet 123 are provided on the rotary combustion chamber 120, an air inlet pipe 130 is provided at the air inlet 121, a preheating purification chamber 110 is connected at the air outlet 123, and an air outlet pipe 140 is provided at the outlet 112 of the preheating purification chamber 110, wherein the air inlet pipe 130, the rotary combustion chamber 120, the preheating purification chamber 110, and the air outlet pipe 140 are all communicated to exhaust the gas to be treated. Thus, volatile organic compounds generated by raw materials such as resin and curing agent added in the preparation process of the precoated sand enter the rotary combustion chamber 120 through the air inlet pipe 130, are combusted through high-temperature flame generated by the combustor 122, then carbon dioxide, steam or other pollution-free gas generated after combustion enters the preheating purification chamber 110 through the air outlet 123, are filtered by the filtering adsorbent, are directly subjected to heat exchange and then are discharged through the air outlet pipe 140, and it is noted that part of the volatile organic compounds which are not combusted enter the preheating purification chamber 110 and are adhered to the filtering adsorbent, so that the part of the organic compounds which are adhered to the filtering adsorbent and are not combusted can be subjected to secondary combustion along with the re-entering of the filtering adsorbent into the rotary combustion chamber 120, and are discharged through the air outlet pipe 140 again after combustion, and zero emission of the volatile organic compounds is realized.
The tectorial membrane sand tail gas treatment facility of this embodiment can realize manifold cycles handles volatile organic pollutant, and partial volatile organic compounds directly discharges after handling through the burning, and partial volatile organic compounds filters and cools down through the filtration adsorbent that preheats in the clean room, and like this, the adhesion of partial volatile organic compounds after the filtration cooling is on filtering the adsorbent surface, enters into the gyration combustion chamber and carries out postcombustion or multiple combustion to realize the zero release of volatile organic compounds. Meanwhile, the volatile organic compounds form high-temperature flue gas with partial energy after being combusted by the high-temperature flue gas, so that energy can be provided for the rotary combustion chamber, the aim of saving energy is fulfilled, and the treatment cost is reduced.
The filtering adsorbent may be coated sand aggregate, but other substances may be used as the filtering adsorbent, and the filtering adsorbent is not particularly limited. This embodiment is in order to reduce production facility input, and therefore, the production cost is reduced, adopt to place tectorial membrane sand aggregate in preheating the clean room, because the aggregate of preparation tectorial membrane sand comprises the sand grain that contains certain hole usually, like this, both can guarantee that these tectorial membrane sand aggregates play the effect of filtering and adsorbing volatile organic compounds, can make high temperature flue gas enter into again and preheat the clean room and carry out preliminary preheating to tectorial membrane sand aggregate, reduce the exhaust gas temperature of tectorial membrane sand aggregate when the burning in the gyration combustion chamber, the utilization waste heat reduction energy consumption has been realized when the flue gas discharges, in order to practice thrift manufacturing cost.
It should be further noted that the arrangement positions of the air inlet, the air outlet and the burner are not specifically limited, as long as the volatile organic compounds can be introduced into the rotary combustion chamber and subjected to high-temperature flame combustion treatment, and the high-temperature flue gas after combustion can be discharged, and for those skilled in the art, the arrangement can be specifically set according to actual conditions.
Illustratively, as shown in fig. 1, in the present embodiment, an air inlet 121 is provided on a top wall of the rotary combustion chamber 120 at a first end along a length direction thereof, an air outlet 123 is provided on a side wall or a bottom wall of the rotary combustion chamber 120 at a second end along the length direction thereof, and the burner 122 is disposed near the air inlet 121 of the rotary combustion chamber 120, that is, the burner 122 is disposed below the air inlet 121 and is disposed corresponding to the air inlet 121, and the air outlet 123 is disposed at the other end of the rotary combustion chamber 120, so that the entering volatile organic compounds can be fully combusted, and the combusted exhaust gas can be exhausted, and meanwhile, the volatile organic compounds are prevented from entering the burner and damaging components of the burner.
It should be noted that, in order to discharge the volatile organic compounds to be treated smoothly, the present embodiment further includes an air extracting device (not shown in the figure), which is connected to the air outlet pipe 140 and plays a role of inducing air, so as to guide the combusted volatile organic compounds from the air inlet 121 to the air outlet 123, and further guide the combusted volatile organic compounds to the air outlet pipe 140 for discharge. Of course, it is obvious to those skilled in the art that instead of the air draft device, a blowing device, such as a blower, may be provided at the air inlet pipe, and the volatile organic compounds are blown into the rotary burner by the blowing device to improve the treatment efficiency.
It should be understood that the preheating clean room 110 should be further connected with a feed pipe 150 to provide filtering adsorbent (precoated sand aggregate) into the preheating clean room 110, wherein the feed pipe 150 is connected with the second inlet 113 of the preheating clean room 110.
It should be noted that, in this embodiment, the positions of the feeding pipe and the air outlet pipe are not specifically limited, and the feeding pipe and the air outlet pipe may be located on the same side of the preheating purification chamber or on different sides. That is, the outlet of the connecting outlet pipe and the second inlet of the connecting inlet pipe can be arranged on the same side of the preheating purification chamber, and can also be arranged on other sides. For example, referring to fig. 1, the outlet 112 and the second inlet 113 connected to the outlet pipe 140 are both located at the top end of the preheating purification chamber 110, but of course, the outlet or the second inlet may be located at the left or right side of the preheating purification chamber, as long as the exhaust gas can be discharged from the preheating purification chamber or the coated sand aggregate can be introduced into the preheating purification chamber.
Optionally, for the sealing performance of the whole device, to prevent the volatile organic compounds from being directly discharged without being burned, as shown in fig. 1, in this embodiment, an air lock valve 151 is further disposed on one side of the feeding pipe 150 away from the preheating purification chamber 110, and the air lock valve 151 can lock the feeding pipe 150 when the volatile organic compounds are burned, so that the preheating purification chamber 110 forms a closed space, and after the burning, only an outlet of the preheating purification chamber is opened, and the treated waste gas is discharged through an air outlet pipe.
Further, the preheating clean room 110 of the present embodiment is further provided with a connecting pipe 114 at the bottom end thereof, and a regulating valve 115 is provided at the connecting pipe 114 near the preheating clean room 110. One end of the connecting pipe 114 is connected to the bottom end of the preheating purification chamber 110, and the other end is connected to the air outlet 123 of the rotary combustion chamber 120, so as to discharge the waste gas, and at the same time, the coated sand aggregate can be introduced into the rotary combustion chamber 120, and in combination with the above embodiment, the other end of the connecting pipe 114 is equivalent to the first inlet 111 of the preheating purification chamber 110, so as to be connected to the rotary combustion chamber 120. The control valve 115 of the present embodiment corresponds to a flow rate control valve for controlling the flow rate of sand particles in the coated sand aggregate, and may be used for controlling the exhaust gas, that is, controlling the exhaust gas and controlling the coated sand aggregate to enter the rotary combustion chamber by opening and closing the control valve.
It should be noted that, based on the preparation process of the precoated sand, in addition to the above-mentioned apparatus shown in fig. 1, the preparation process should also include devices such as a sand mixer, and specifically, raw materials such as resin, curing agent, and precoated sand aggregate in the preheating purification chamber used in the preparation of the precoated sand are heated and mixed in the sand mixer, volatile organic compounds are generated in the mixing process, and these volatile organic compounds enter the rotary combustion chamber through the air inlet pipe to be subjected to combustion treatment, so that zero emission of volatile organic compounds in the preparation process of the precoated sand is realized.
The utility model discloses tectorial membrane sand tail gas treatment facility, including preheating clean room, gyration combustion chamber, intake pipe and outlet duct, the high temperature flame that utilizes the combustor to produce carries out the combustion processing to volatile organic compounds to and utilize the filtration adsorbent that preheats in the clean room to filter, adsorb at least part and not make its one-tenth burn once more in entering into the gyration combustion chamber by the gas of combustion processing as far as possible. The utility model discloses a tectorial membrane sand tail gas treatment facility has realized the primary combustion of exhaust volatile organic compounds in the mulling machine in the gyration combustion chamber to and the volatile organic compounds that the high temperature flue gas after the interior exhaust of gyration combustion chamber carried uses tectorial membrane sand aggregate as the afterburning of carrier in the gyration combustion chamber. And, the utility model discloses a tectorial membrane sand tail gas treatment facility has realized the abundant burning of waste heat recovery utilization, volatile organic compounds of high temperature flue gas, and the heat is used for tectorial membrane sand aggregate heating, energy saving and emission reduction environmental protection. In addition, due to the integrated design of the preheating purification chamber, the configuration amount of the equipment is greatly reduced, the investment cost of the equipment is reduced, and the purpose of energy conservation is achieved.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. The precoated sand tail gas treatment equipment is characterized by comprising a preheating purification chamber, a rotary combustion chamber, a gas inlet pipe and a gas outlet pipe; wherein,
the air inlet pipe is connected with an air inlet of the rotary combustion chamber so as to provide gas to be treated for the rotary combustion chamber;
a combustor is arranged in the rotary combustion chamber to perform combustion treatment on the received gas;
the first inlet of the preheating purification chamber is connected with the gas outlet of the rotary combustion chamber, and a filtering adsorbent is placed in the preheating purification chamber in advance to filter and adsorb at least part of gas which is not completely combusted, so that the gas enters the rotary combustion chamber together for combustion again;
the gas outlet pipe is connected with the outlet of the preheating purification chamber to discharge the treated gas.
2. The coated sand tail gas treatment device according to claim 1, wherein the filtering adsorbent is coated sand aggregate.
3. The coated sand tail gas treatment equipment as claimed in claim 1, wherein the rotary combustion chamber is provided with the gas inlet on a top wall at a first end in the length direction of the rotary combustion chamber, and the gas outlet on a side wall or a bottom wall at a second end in the length direction of the rotary combustion chamber.
4. The coated sand tail gas treatment device according to claim 3, wherein the burner is disposed near the air inlet of the rotary combustion chamber.
5. The coated sand tail gas treatment device according to any one of claims 1 to 4, further comprising a feed pipe connected to the second inlet of the pre-heating clean room to provide the filtering adsorbent into the pre-heating clean room.
6. The coated sand tail gas treatment device according to claim 5, wherein the gas outlet pipe and the feed pipe are located on the same side of the preheating purification chamber.
7. The coated sand tail gas treatment equipment as claimed in claim 5, wherein a wind locking valve is further arranged on one side of the feeding pipe, which is far away from the preheating purification chamber.
8. The precoated sand tail gas treatment equipment according to any one of claims 1 to 4, further comprising an air draft device, wherein the air draft device is connected with the air outlet pipe.
9. The coated sand tail gas treatment equipment as claimed in any one of claims 1 to 4, wherein a connecting pipe is further arranged at the bottom end of the preheating purification chamber, one end of the connecting pipe is communicated with the bottom end of the preheating purification chamber, and the other end of the connecting pipe is connected with the gas outlet of the rotary combustion chamber.
10. The coated sand tail gas treatment equipment according to claim 9, wherein a regulating valve is further arranged at the position, close to the preheating purification chamber, of the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216812.0U CN211650286U (en) | 2020-02-26 | 2020-02-26 | Tectorial membrane sand tail gas treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216812.0U CN211650286U (en) | 2020-02-26 | 2020-02-26 | Tectorial membrane sand tail gas treatment facility |
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| Publication Number | Publication Date |
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| CN211650286U true CN211650286U (en) | 2020-10-09 |
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| CN202020216812.0U Active CN211650286U (en) | 2020-02-26 | 2020-02-26 | Tectorial membrane sand tail gas treatment facility |
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| Country | Link |
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| CN (1) | CN211650286U (en) |
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2020
- 2020-02-26 CN CN202020216812.0U patent/CN211650286U/en active Active
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