CN207137672U - It is a kind of to force to absorb the purifying column of processing for flue gas - Google Patents
It is a kind of to force to absorb the purifying column of processing for flue gas Download PDFInfo
- Publication number
- CN207137672U CN207137672U CN201720990668.4U CN201720990668U CN207137672U CN 207137672 U CN207137672 U CN 207137672U CN 201720990668 U CN201720990668 U CN 201720990668U CN 207137672 U CN207137672 U CN 207137672U
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- Prior art keywords
- tower body
- flue gas
- middle tower
- mouth
- forced
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000003546 flue gas Substances 0.000 title claims abstract description 26
- 238000012545 processing Methods 0.000 title abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 35
- 238000010521 absorption reaction Methods 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 238000001802 infusion Methods 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims description 33
- 238000002347 injection Methods 0.000 claims description 27
- 239000007924 injection Substances 0.000 claims description 27
- 239000003814 drug Substances 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 23
- 238000000746 purification Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Force to absorb the purifying column of processing for flue gas, belong to chemical emission processing technology field.The purifying column for forcing to absorb processing for flue gas includes Forced Mixing portion and middle tower body；The longitudinal cross-section of middle tower body is inverted T-shaped, and the joint face of the less part of the cross-sectional area part larger with cross-sectional area is circular conical surface；Forced Mixing portion includes jet pump and playpipe, and jet pump includes first entrance, second entrance and jet exit, and one end connection of jet exit and playpipe, the other end and circular conical surface of playpipe are connected and connected with middle tower body；The bottom of middle tower body is provided with first circulation mouth and second circulation mouth, and top is provided with gas outlet, is provided with spray structure in inter-chamber tower body, the side of middle tower body is provided with mouth spray and fluid infusion.The purifying column can carry out Forced Mixing processing and spray-absorption to smoke exhaust, the advantages of having gathered vapour-liquid Forced Mixing equipment and flue gas spray absorber, and absorption efficiency is higher, and floor space is smaller.
Description
Technical Field
The utility model relates to a chemical waste gas treatment technical field, in particular to a purifying tower for flue gas forced absorption treatment.
Background
A large amount of smoke and dust waste gas can be generated in the production process of the chemical industry, and in order to protect the environment, the smoke and dust waste gas needs to be purified, so that the smoke and dust waste gas can reach the safe emission standard required by the national environmental protection department and then is discharged into the atmosphere.
The existing device for purifying smoke has a vapor-liquid forced mixing device, as shown in fig. 1, the vapor-liquid forced mixing device comprises an air bag 1, a circulating pump 2, a drain valve 3, an overflow pipe 4, a jet vacuum pump 5, a vacuum pump support frame 6, a graphite coil 7 and other structures, the circulating pump 2 is used for recycling a medicament in the mixing device, the medicament generates certain pressure and flow velocity after acting through the circulating pump 2, enters the jet vacuum pump at certain pressure and flow velocity to form high-speed jet flow to enable a mixing chamber of an ejector to generate vacuum, smoke waste gas is sucked into the mixing chamber of the ejector to be fully mixed with the medicament, is discharged into a water storage tank 8 after being mixed, and is forcibly mixed with the smoke waste gas and the medicament through the jet vacuum pump 5 to purify the smoke waste gas, the air bag 2 plays a buffering role, the drain valve 3 is used for discharging liquid in the air bag 1, graphite coil 7 can play the refrigerated effect to the medicament in the accumulator 8, and baffle 9 prevents graphite coil 7 skew.
Another kind of device that purifies flue gas has flue gas spraying absorption tower, as shown in fig. 2, flue gas spraying absorption tower includes packing layer 10, nozzle 11 and defogging layer 12, and the tower body is introduced from the tower body lower part to the smoke and dust waste gas through the fan, and the medicament passes through nozzle 11 and sprays, and the downward injection medicament reacts with ascending smoke and dust waste gas, purifies smoke and dust waste gas through the contact against the current, and packing layer 10 can increase the contact time of medicament and smoke and dust waste gas, and the gas after the reaction is discharged after through the defogging layer.
Present vapour-liquid forces mixing apparatus to make medicament and smoke and dust waste gas to force the mixture, and the smoke and dust purification rate is higher, but the device's area is great, is not suitable for the less enterprise in usable space, and the flue gas sprays the more enterprise that is applicable to emission smoke and dust waste gas of absorption tower, and to some enterprises that discharge smoke and dust waste gas less, the effect is not very ideal.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a purification tower for forced absorption treatment of flue gas, which comprises a forced mixing part and a middle tower body;
the longitudinal section of the middle tower body is in an inverted T shape, and the connecting surface of the part with the smaller cross section area and the part with the larger cross section area is a conical surface;
the forced mixing part comprises an injection pump and an injection pipe, the injection pump comprises a first inlet, a second inlet and an injection outlet, the injection outlet is connected with one end of the injection pipe, and the other end of the injection pipe is connected with the conical surface and communicated with the middle tower body;
the lower part of middle tower body is equipped with first circulation mouth and second circulation mouth, the top is equipped with the gas outlet, be equipped with in the middle tower body and spray the structure, the side of middle tower body is equipped with sprays the mouth, spray the mouth and spray the structural connection, first circulation mouth passes through the entry linkage of pipeline with the circulating pump, the export of circulating pump passes through the pipeline and is connected with first entry and spray the mouth respectively, the second circulation mouth passes through the pipeline and is connected with waste water treatment system, middle tower body still is equipped with the fluid infusion mouth, the fluid infusion mouth is connected with the medicament storage tank, the second entry is connected with smoke and dust exhaust gas pipeline.
The spraying structure comprises a nozzle layer, a first packing grid plate, a liquid redistributor, a second packing layer and a second packing grid plate which are sequentially arranged in the middle tower body from top to bottom, and the spraying opening is connected with the nozzle layer.
And a demisting layer is also arranged in the middle tower body and is positioned between the air outlet and the nozzle layer.
The side surface of the middle tower body is also provided with three discharging ports which are respectively a first discharging port, a second discharging port and a third discharging port;
the first drain hole is positioned above the first packing grid plate, the second drain hole is positioned between the first packing grid plate and the second packing layer, and the third drain hole is positioned above the second packing grid plate.
The middle tower body is also provided with a manhole opening, and the manhole opening is arranged on the side face of the larger part of the cross section area of the middle tower body.
The middle tower body is also provided with an observation port which is positioned on the conical surface and communicated with the middle tower body.
And a cooling coil is arranged at the bottom in the middle tower body.
The jet pump with the jet pipe all through the fixed plate with the side rigid coupling of middle tower body.
And the conical surface is provided with a jet orifice communicated with the middle tower body, and the other end of the jet pipe is connected with the jet orifice.
And a reinforcing support ring is also arranged in the middle tower body and is positioned at the part with larger cross section area of the middle tower body.
The utility model provides a purification tower for smoke and dust is forced to absorb and is handled can force the hybrid processing to smoke and dust waste gas earlier, sprays the absorption to smoke and dust waste gas again, has assembled vapour-liquid and has forced the advantage that mixing apparatus and flue gas sprayed the absorption tower, and absorption efficiency is higher, and area is less, and is applicable to the less enterprise of smoke and dust exhaust emission.
Drawings
FIG. 1 is a schematic structural diagram of a conventional vapor-liquid forced mixing apparatus;
FIG. 2 is a schematic structural diagram of a conventional flue gas spray absorption tower;
FIG. 3 is a schematic structural diagram of a purification tower for forced absorption treatment of flue gas provided by the present invention;
fig. 4 is a top view of the purification tower for forced absorption treatment of flue gas provided by the present invention.
Wherein,
1 air bag, 2 circulating pumps, 3 drain valves, 4 overflow pipes, 5 jet vacuum pumps, 6 vacuum pump support frames, 7 graphite coil pipes, 8 water storage tanks, 9 baffle plates, 10 packing layers, 11 nozzles, 12 demisting layers, 13 middle towers, 14 parts with smaller cross-sectional areas of the middle towers, 15 parts with larger cross-sectional areas of the middle towers, 16 conical surfaces, 17 jet pumps, 18 jet pipes, 19 fixing plates, 20 first inlets, 21 second inlets, 23 jet outlets, 24 jet orifices, 25 first circulating ports, 26 second circulating ports, 27 air outlets, 28 spray ports, 29 pipelines, 30 liquid supplementing ports, 31 nozzle layers, 32 first packing layers, 33 first packing grid plates, 34 liquid redistributors, 35 second packing layers, 36 second packing grid plates, 37 cooling coil pipes, 38 first discharge ports, 39 second discharge ports, 40 third discharge ports, 41 people's orifices and 42 observation ports, 43 liquid level pipes, 44 liquid discharge ports, 45 reinforcing ribs and 46 reinforcing support rings.
Detailed Description
As shown in fig. 3 and 4, the present invention provides a purification tower for forced absorption treatment of flue gas, which comprises a forced mixing part and an intermediate tower body 13;
the longitudinal section of the middle tower body 13 is in an inverted T shape, and the connecting surface of the part 14 with the smaller cross-sectional area and the part 15 with the larger cross-sectional area is a conical surface 16;
the forced mixing part comprises an injection pump 17 and an injection pipe 18, the injection pump 17 and the injection pipe 18 are fixedly connected with the side surface of the middle tower body 13 through a fixing plate 19, the injection pump 17 comprises a first inlet 20, a second inlet 21 and an injection outlet 23, the injection outlet 23 is connected with one end of the injection pipe 18, the other end of the injection pipe 18 is connected with the conical surface 16 and communicated with the middle tower body 13, specifically, an injection port 24 communicated with the middle tower body 13 can be arranged on the conical surface 16, and the other end of the injection pipe 18 is connected with the injection port 24;
the lower part of middle tower body 13 is equipped with first circulation mouth 25 and second circulation mouth 26, the top is equipped with gas outlet 27, be equipped with the spray structure in the middle tower body 13, the side of middle tower body 13 is equipped with spray opening 28, spray opening 28 is connected with the spray structure, first circulation mouth 25 passes through the entry linkage of pipeline 29 and circulating pump 2, the export of circulating pump 2 passes through pipeline 29 and is connected with first entry 20 and spray opening 28 respectively, second circulation mouth 26 passes through the pipeline and is connected with waste water treatment system, middle tower body 13 still is equipped with fluid infusion mouth 30, fluid infusion mouth 30 is connected with the medicament storage tank, fluid infusion mouth 30 can set up on conical surface 16, second entry 21 is connected with smoke and dust exhaust gas pipeline.
The utility model discloses in, spray the structure and include from last nozzle layer 31, first packing layer 32, first packing grid 33, liquid redistributor 34, second packing layer 35 and the second packing grid 36 that sets gradually extremely down in middle tower body 13, spray mouth 28 and be connected with nozzle layer 31. A demisting layer 12 can be arranged in the middle tower body 13, and the demisting layer 12 is positioned between the air outlet 27 and the nozzle layer 31.
In the present invention, the cooling coil 37 may be provided in the bottom of the tower body 13.
The working principle of the purification tower for forced absorption treatment of the smoke dust is as follows: the chemicals in the chemical storage tank are added into the middle tower body 13 through the liquid supplementing port 30, the chemicals are transmitted to the circulating pump 2 through the first circulating port 25, the circulating pump 2 is connected with the first inlet 20 of the jet pump 17, the chemicals transmitted by the circulating pump 2 enter the jet pump 17 through the first inlet 20, the chemicals have certain pressure and flow rate after doing work through the circulating pump 2, the chemicals with certain pressure and flow rate rapidly flow in the jet pump 17, so that a vacuum environment is formed in the jet pump 17, the second inlet 21 of the jet pump 17 is connected with the smoke waste gas pipeline, therefore, the smoke waste gas enters the jet pump 17 through the second inlet 21 of the jet pump 17, the smoke waste gas and the chemicals are forcibly mixed in the mixing chamber of the jet pump 17 and are jetted into the middle tower body 13 through the jet pipe 18, on one hand, the cooling coil 37 at the bottom of the tower body can condense the liquid in the waste gas, on the other hand, the medicament is cooled, so that the viscosity of the medicament is reduced, and the smoke absorption capacity of the medicament is enhanced; meanwhile, the medicament transmitted by the circulating pump 2 enters the spraying structure in the middle tower body 13 through the spraying port 28, is sprayed downwards through a plurality of nozzles of the nozzle layer 31, passes through the first packing layer 32 and then is sprayed to the second packing layer 35 through the liquid redistributor 34, the smoke waste gas after forced mixing moves upwards in the middle tower body 13 and sequentially passes through the second packing layer 35 and the first packing layer 32, the smoke waste gas and the medicament sprayed by the nozzles are in countercurrent contact for reaction, and the first packing layer 32 and the second packing layer 35 can control the reaction speed of the smoke waste gas and the medicament; gaseous after two-layer packing layer passes through defogging layer 12 in middle tower body 13, and defogging layer 12 filters gas and discharges through gas outlet 27, and when the medicament concentration in middle tower body 13 dropped to can not satisfy the purification demand, through second circulation mouth 26 with medicament discharge to effluent disposal system, the medicament in tower body 13 in the middle of the rethread fluid infusion mouth 30 supplyes.
The utility model provides a purification tower for smoke and dust is forced to absorb and is handled can force the hybrid processing to smoke and dust waste gas earlier, sprays the absorption to smoke and dust waste gas again, has assembled vapour-liquid and has forced the advantage that mixing apparatus and flue gas sprayed the absorption tower, and absorption efficiency is higher, and area is less, and is applicable to the less enterprise of smoke and dust exhaust emission.
In the utility model, three discharging ports, namely a first discharging port 38, a second discharging port 39 and a third discharging port 40 are arranged on the side surface of the middle tower body 13;
the first drain 38 is located above the first packing grid 33, the second drain 39 is located between the first packing grid 33 and the second packing layer 35, and the third drain 40 is located above the second packing grid 36. Three drain hole is used for loading the filler, the utility model discloses in adopt PP pall ring and the mixed loading of PP clean shot, when needs pack, open the blind plate of drain hole department.
In the utility model, the middle tower body 13 is also provided with a manhole opening 41, the manhole opening 41 is arranged on the side surface of the part 15 with larger cross section area of the middle tower body 13, and the manhole opening 41 is used for cleaning the garbage in the middle tower body 13; the middle tower body 13 is also provided with an observation port 42, the observation port 42 is positioned on the conical surface 16 and is communicated with the middle tower body 13, the observation port 42 is connected with a sight glass and is used for observing the medicament storage amount in the middle tower body 13, and a liquid level pipe 43 can be arranged at the lower part in the middle tower body 13 to measure the specific liquid level height of the medicament; a liquid discharge port 44 may be provided on the side of the larger cross-sectional area portion 15 of the intermediate tower body 13, and the liquid discharge port 44 may be used to discharge the chemical in the intermediate tower body 13.
In the utility model, a reinforcing rib 45 can be arranged on the inner surface of the conical surface 16 for more stably connecting the part 15 with larger cross section area and the part 14 with smaller cross section area of the middle tower body 13; in order to make the intermediate tower body 13 more robust and to prevent the tower body from deforming due to negative pressure inside the tower body, a reinforcing brace 46 may be provided in the part 15 of the intermediate tower body 13 having a larger cross-sectional area.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A purifying tower for forced absorption treatment of flue gas is characterized in that the purifying tower for forced absorption treatment of flue gas comprises a forced mixing part and an intermediate tower body;
the longitudinal section of the middle tower body is in an inverted T shape, and the connecting surface of the part with the smaller cross section area and the part with the larger cross section area is a conical surface;
the forced mixing part comprises an injection pump and an injection pipe, the injection pump comprises a first inlet, a second inlet and an injection outlet, the injection outlet is connected with one end of the injection pipe, and the other end of the injection pipe is connected with the conical surface and communicated with the middle tower body;
the lower part of middle tower body is equipped with first circulation mouth and second circulation mouth, the top is equipped with the gas outlet, be equipped with in the middle tower body and spray the structure, the side of middle tower body is equipped with sprays the mouth, spray the mouth and spray the structural connection, first circulation mouth passes through the entry linkage of pipeline with the circulating pump, the export of circulating pump passes through the pipeline and is connected with first entry and spray the mouth respectively, the second circulation mouth passes through the pipeline and is connected with waste water treatment system, middle tower body still is equipped with the fluid infusion mouth, the fluid infusion mouth is connected with the medicament storage tank, the second entry is connected with smoke and dust exhaust gas pipeline.
2. The purification tower for forced absorption treatment of flue gas as claimed in claim 1, wherein the spraying structure comprises a nozzle layer, a first filler grid plate, a liquid redistributor, a second filler layer and a second filler grid plate which are arranged in the middle tower body from top to bottom, and the spraying opening is connected with the nozzle layer.
3. The tower of claim 2, wherein a demisting layer is disposed in the middle tower body and between the air outlet and the nozzle layer.
4. The purification tower for forced absorption treatment of flue gas according to claim 2, wherein the side surface of the middle tower body is further provided with three discharging ports, namely a first discharging port, a second discharging port and a third discharging port;
the first drain hole is positioned above the first packing grid plate, the second drain hole is positioned between the first packing grid plate and the second packing layer, and the third drain hole is positioned above the second packing grid plate.
5. The tower of claim 1, wherein the tower body is further provided with a manhole opening, and the manhole opening is arranged at the side of the larger part of the cross-sectional area of the tower body.
6. The purification tower for forced absorption treatment of flue gas according to claim 1, wherein the middle tower body is further provided with an observation port, and the observation port is positioned on the conical surface and is communicated with the middle tower body.
7. The purification tower for forced absorption treatment of flue gas as recited in claim 1, wherein a cooling coil is disposed at the bottom inside the intermediate tower body.
8. The purification tower for forced absorption treatment of flue gas according to claim 1, wherein the jet pump and the jet pipe are both fixedly connected with the side surface of the middle tower body through a fixing plate.
9. The purification tower for forced absorption treatment of flue gas according to claim 1, wherein a jet orifice communicated with the middle tower body is arranged on the conical surface, and the other end of the jet pipe is connected with the jet orifice.
10. The purification tower for forced absorption treatment of flue gas according to any one of claims 1 to 9, wherein a reinforcing support ring is further arranged in the middle tower body, and the reinforcing support ring is positioned at a part with a larger cross-sectional area of the middle tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720990668.4U CN207137672U (en) | 2017-08-09 | 2017-08-09 | It is a kind of to force to absorb the purifying column of processing for flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720990668.4U CN207137672U (en) | 2017-08-09 | 2017-08-09 | It is a kind of to force to absorb the purifying column of processing for flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207137672U true CN207137672U (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720990668.4U Active CN207137672U (en) | 2017-08-09 | 2017-08-09 | It is a kind of to force to absorb the purifying column of processing for flue gas |
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|---|---|
| CN (1) | CN207137672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368798A (en) * | 2019-08-12 | 2019-10-25 | 郑州金泉矿冶设备有限公司 | For handling the complete set of equipments of high concentration nitrogen oxide |
-
2017
- 2017-08-09 CN CN201720990668.4U patent/CN207137672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368798A (en) * | 2019-08-12 | 2019-10-25 | 郑州金泉矿冶设备有限公司 | For handling the complete set of equipments of high concentration nitrogen oxide |
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