CN216677607U - Circulating carrier gas purification treatment system for sludge drying - Google Patents
Circulating carrier gas purification treatment system for sludge drying Download PDFInfo
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- CN216677607U CN216677607U CN202122877141.XU CN202122877141U CN216677607U CN 216677607 U CN216677607 U CN 216677607U CN 202122877141 U CN202122877141 U CN 202122877141U CN 216677607 U CN216677607 U CN 216677607U
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Abstract
The utility model discloses a circulating carrier gas purification treatment system for sludge drying, which comprises a carrier gas condenser and a carrier gas demister connected with the carrier gas condenser, wherein the bottoms of the carrier gas condenser and the carrier gas demister are respectively provided with a plurality of uniformly distributed vortex flushing pipes; each vortex flushing pipe inclines downwards along the vertical direction of the vortex flushing pipe and inclines leftwards along the horizontal direction of the vortex flushing pipe; and a sludge cutting machine, a sewage pump and a bypass for maintaining the sludge cutting machine and the sewage pump are sequentially arranged on the sewage pipeline at the bottom of the carrier gas demister in series, and the bypass is arranged in parallel. The utility model ensures the heat exchange efficiency of water vapor, reduces the pollution of carrier gas dust, the stability of mist gas-liquid separation, prevents the influence of secondary water carrying of carrier gas and reduces the pollution of pollution discharge under the working condition of equipment.
Description
Technical Field
The utility model relates to a circulating carrier gas purification treatment technology of a sludge drying process in a sewage treatment technology, in particular to a circulating carrier gas purification treatment system for sludge drying.
Background
Referring to fig. 1 to 3, the conventional drying system mainly includes a carrier gas condenser 1, a carrier gas demister 2, a carrier gas blower 3, a first carrier gas pipeline 4, a second carrier gas pipeline 5, a cooling water pipe 6, a sewage drain pipe 7, a capture plate shower water pipe 8, a main sewage pipe 9, a sewage overflow pipe 10, and a manual sewage outlet 11, wherein the carrier gas condenser 1 includes a shower nozzle 12 for performing regular flushing on a heat exchange coil pipe pass.
The existing drying system mainly provides carrier gas for the dryer by a carrier gas fan 3 in the operation process, and maintains the negative pressure operation in the dryer, water vapor generated in drying enters from the upper part of a carrier gas condenser 1 along with the carrier gas, cooling water enters a heat exchange coil in the carrier gas condenser 1 through a cooling water pipe 6 to realize the condensation of the carrier gas through indirect heat exchange with the carrier gas, and the condensed carrier gas enters the middle part of a carrier gas demister 2 through a carrier gas pipeline 4. In addition, the shower nozzle 12 in the carrier gas condenser 1 washes the heat exchange coil at regular time, so that the condensed water generated by heat exchange and the sewage generated by washing the heat exchange coil all enter the bottom of the carrier gas demister 2 through the sewage drain pipe 7 at the bottom of the carrier gas condenser 1. The carrier gas that gets into carrier gas defroster 2 through carrier gas pipeline 4, after upwards through the mist catching plate realization gas-liquid separation under the suction effect of carrier gas fan 3, through carrier gas pipeline 5, is sucked into carrier gas fan 3, and the liquid that separates is collected to carrier gas defroster 2 bottom. In addition, the reclaimed water washes the catching plate through the catching plate showering water pipe 8, and the sewage generated by washing is also collected to the bottom of the carrier gas demister 2. All sewage produced under the working condition is collected and then is automatically discharged into the closed pipeline through the main sewage discharge pipe 9 in a self-weight sewage discharge mode. When the water amount is too large and the water level in the carrier gas demister rises to the sewage overflow port 10 after exceeding the sewage discharge capacity of the closed pipeline, the manual sewage discharge port 11 needs to be opened manually to the site for emergency sewage discharge to the open trench.
The carrier gas fan provides carrier gas for the drying system and maintains the negative pressure operation inside the drying system, so that water vapor generated during drying enters the carrier gas condenser along with the carrier gas for condensation, condensed water generated by heat exchange is collected and discharged to the bottom of the carrier gas demister, the carrier gas further enters the carrier gas demister, gas-liquid separation is realized by capturing mist, and separated liquid is also collected to the bottom of the carrier gas demister.
In addition, the top of the carrier gas condenser is provided with a shower nozzle for regularly washing the tube pass of the heat exchanger in order to ensure the heat exchange capacity, and the carrier gas demister is also provided with a shower nozzle for regularly washing the capture plate in order to ensure the gas-liquid separation capacity.
In conclusion, the sewage generated by the carrier gas condenser and the carrier gas demister during working and the sewage generated by autonomous cleaning are all discharged through the bottom of the carrier gas demister, the closed pipeline laid in the prior art has limited flow, so that the drainage is not smooth, a bypass needs to be manually opened after the water level rises to an overflow port for direct drainage, and the direct drainage cannot be discharged into the closed pipeline and can only be discharged into an open trench. Meanwhile, the water level is too high, so that the secondary water carrying of the carrier gas is caused, the water content in the carrier gas guiding machine is increased, manual pollution discharge is required to enter an open trench, and the problems can cause sewage cross flow and smelly weather in a workshop, pollute the operating environment, cause problems of site 5S, personnel safety and the like.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a circulating carrier gas purification treatment system for sludge drying, which ensures the heat exchange efficiency of water vapor, reduces the pollution of carrier gas dust and the stability of mist gas-liquid separation, prevents the influence of secondary water carrying of carrier gas and reduces the pollution of pollution discharge under the working condition of equipment.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a circulation carrier gas purification treatment system for sludge drying comprises a carrier gas condenser and a carrier gas demister connected with the carrier gas condenser;
the bottoms of the carrier gas condenser and the carrier gas demister are respectively provided with a plurality of uniformly distributed vortex flushing pipes;
each vortex flushing pipe inclines downwards along the vertical direction of the vortex flushing pipe and inclines leftwards along the horizontal direction of the vortex flushing pipe;
and a sludge cutting machine, a sewage pump and a bypass for maintaining the sludge cutting machine and the sewage pump are sequentially arranged on the sewage pipeline at the bottom of the carrier gas demister in series, and the bypass is arranged in parallel.
Preferably, the number of the vortex flushing pipes on the carrier gas condenser and the carrier gas demister is three, and the vortex flushing pipes are arranged at intervals of 120 degrees.
Preferably, the vortex washing pipe is inclined downwards by 15 degrees in the vertical direction of the vortex washing pipe and inclined towards the left by 30 degrees in the horizontal direction of the vortex washing pipe.
Preferably, the upper part of the carrier gas condenser is provided with a seal head, and a shower nozzle is arranged in the seal head;
the shower nozzle is made of stainless steel metal.
Preferably, the sewage discharge pipeline and the bypass are both provided with manual ball valves.
Preferably, the manual ball valve on the sewage pipeline is normally opened, and the manual ball valve on the bypass is normally closed.
Preferably, the sludge cutting machine is a pipeline type sludge cutting machine, and the sewage pump is a pipeline type non-blocking sewage pump.
The circulating carrier gas purification treatment system for sludge drying provided by the utility model has the advantages that the overall planning design is carried out on the whole system process under the condition of not changing the structure of main equipment in the prior art, and the process efficiency of the whole system is improved by modifying in the simplest construction mode and at the lowest cost. Starting from the aspects of improving the heat exchange efficiency, reducing the pollution of carrier gas dust, improving the stability of mist gas-liquid separation, preventing the influence of secondary water carrying of the carrier gas and reducing the pollution of pollution discharge under the working condition of equipment, the shower nozzle is reselected; 3 flushing pipes capable of forming vortex are respectively added at the bottom of the tank; the important design of sewage disposal adds a pipeline type sludge cutting machine and a non-clogging sludge pump and adds a maintenance bypass. After the utility model is used, the heat exchange efficiency of steam generated by drying sludge by the paddle type dryer can be effectively improved in the production operation management process, the odor and particle pollution caused by a large amount of ammonia gas and dust generated under the working condition can be effectively reduced, the equipment failure rate is effectively reduced, the labor and working hour cost generated by maintenance and the cleaning cost of the operation environment pollution are reduced, and the risks of 5S and personnel safety in the production field are effectively reduced.
Drawings
FIG. 1 is a first block diagram of a conventional system for carrier gas purification;
FIG. 2 is a second schematic block diagram of a conventional system for recycling carrier gas purification;
FIG. 3 is a schematic diagram of a shower head in a condenser of a conventional circulating carrier gas purification system;
FIG. 4 is a schematic view of a vortex flushing pipe installed on a carrier gas condenser and a carrier gas demister in the circulation carrier gas purification treatment system of the present invention;
FIG. 5 is a schematic view of a blowdown line on the carrier gas demister in the circulating carrier gas purification treatment system of the present invention;
FIG. 6 is a schematic top view of a vortex wash pipe in the circulating carrier gas purification treatment system of the present invention;
fig. 7 is a schematic side view of a vortex wash pipe in the circulating carrier gas purification treatment system of the present invention.
Detailed Description
In order to better understand the technical solutions of the present invention, the following further describes the technical solutions of the present invention with reference to the accompanying drawings and examples.
Referring to fig. 4 and 5, the circulation carrier gas purification treatment system for sludge drying according to the present invention includes a carrier gas condenser 20 and a carrier gas demister 22 connected to the carrier gas condenser through a first carrier gas pipe 21.
The bottoms of the carrier gas condenser 20 and the carrier gas demister 22 are respectively provided with three evenly distributed vortex washing pipes 23, and each vortex washing pipe 23 is arranged at an interval of 120 degrees.
Each vortex flushing pipe 23 inclines downwards by 15 degrees along the vertical direction, inclines leftwards by 30 degrees along the horizontal direction, and forms clockwise vortex during working so as to drive the dirt at the bottoms of the carrier gas condenser 20 and the carrier gas demister 22, so that deposition is reduced to the maximum extent, scaling is prevented, and the risk of pipeline blockage caused by scaling falling in the future is reduced, as shown in fig. 6 and 7.
Still establish ties in proper order on the sewage pipes 24 of carrier gas defroster 22 bottom and be equipped with sludge cutting machine 25, dredge pump 26 to prevent that the scale deposit from dropping and blockking up the pipeline, still increased entire system's blowdown ability, prevent the carrier gas secondary area water that high water level caused in the carrier gas defroster 22, thereby influence the normal operating mode of carrier gas fan. Meanwhile, a bypass 28 for maintaining a sludge cutting machine 25 and a sewage pump 26 is arranged on the sewage discharge pipeline 24 in parallel. The sludge cutting machine 25 is a pipeline type sludge cutting machine, and the sewage pump 26 is a pipeline type non-blocking sewage pump.
The sewage pipeline 24 and the bypass 28 are both provided with manual ball valves 29 and 30, the manual ball valve 29 on the sewage pipeline 24 is normally open, and the manual ball valve 30 on the bypass 28 is normally closed.
The upper part of the carrier gas condenser 20 is provided with an end enclosure, a shower nozzle is arranged in the end enclosure, the shower nozzle is made of stainless steel metal, corrosion is reduced, the durability is improved, the spraying range and the spraying range are expanded, the adhesion condition of sludge particles on the tube pass is reduced to the maximum extent, and the heat exchange efficiency of the cooling coil is improved.
The utility model discloses a circulating carrier gas purification treatment method based on a circulating carrier gas purification treatment system for sludge drying, which comprises the following steps:
a carrier gas fan 27 provides carrier gas for the drying system and maintains the negative pressure operation of the drying system, water vapor generated during drying enters from the upper part of a carrier gas condenser 20 along with the carrier gas, cooling water enters a heat exchange coil in the carrier gas condenser 20 through a cooling water pipe and indirectly exchanges heat with the carrier gas to realize carrier gas condensation, and the condensed carrier gas enters the middle part of a carrier gas demister 22 through a first carrier gas pipeline 21; the shower nozzle in the head regularly washes the heat exchange coil, and vortex flushing pipe 23 on carrier gas condenser 20 washes the bottom of carrier gas condenser 20 and forms clockwise vortex and drives the condensate water that the heat exchange produced and wash the sewage that the heat exchange coil produced, gets into the bottom of carrier gas defroster 23 through the drain pipe.
The carrier gas entering the carrier gas demister 22 is pumped into the carrier gas fan through a second carrier gas pipeline after upward passing through the mist trap plate under the suction action of the carrier gas fan 27 to realize gas-liquid separation (referring to fig. 1 to 3 again, the shower nozzle 12 in the carrier gas condenser 1 washes the heat exchange coil at regular time, so that the condensed water generated by heat exchange and the sewage generated by washing the heat exchange coil all enter the bottom of the carrier gas demister 2 through the sewage drain pipe 7 at the bottom of the carrier gas condenser 1, the carrier gas entering the carrier gas demister 2 through the carrier gas pipeline 4 is upward passed through the mist trap plate under the suction action of the carrier gas fan 3 to realize gas-liquid separation, and then the separated liquid is pumped into the carrier gas fan 3 through the carrier gas pipeline 5 and collected to the bottom of the carrier gas demister 2, the separated liquid is collected to the bottom of the carrier gas demister 22, and the mist trap plate is washed through the mist trap plate shower pipe, the generated sewage is also collected to the bottom of the carrier gas demister 22, and the vortex washing pipe 23 on the carrier gas demister 22 washes the bottom of the carrier gas demister 22 and forms clockwise vortex to drive the dirt at the bottom.
All sewage generated under the working condition is collected and then is discharged into a closed pipeline through a manual ball valve 29 on a sewage discharge pipeline 24, a sludge cutting machine 25 and the sewage discharge pump 26 under the suction action of the sewage discharge pump 26; when the sewage pump 26 and the sludge cutting machine 25 need maintenance, the manual ball valve 29 on the sewage pipeline 24 is closed, the manual ball valve 30 on the bypass 28 is opened, and the automatic sewage drainage mode is switched.
In conclusion, the circulating carrier gas purification treatment system and method for sludge drying can effectively improve the heat exchange efficiency of water vapor generated by drying sludge by the paddle dryer in the production operation management process, effectively reduce odor and particle pollution caused by a large amount of ammonia gas and dust generated under the working condition, effectively reduce the equipment failure rate, reduce the labor and working time cost generated by maintenance and the cleaning cost of working environment pollution, effectively reduce the risk of 5S and personnel safety in the production field, and protect the production operation management.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a circulation carrier gas purification treatment system for sludge drying, includes carrier gas condenser and the carrier gas defroster that links to each other with it which characterized in that:
the bottoms of the carrier gas condenser and the carrier gas demister are respectively provided with a plurality of uniformly distributed vortex flushing pipes;
each vortex flushing pipe inclines downwards along the vertical direction of the vortex flushing pipe and inclines leftwards along the horizontal direction of the vortex flushing pipe;
and a sludge cutting machine, a sewage pump and a bypass for maintaining the sludge cutting machine and the sewage pump are sequentially connected in series on the sewage pipeline at the bottom of the carrier gas demister, and are connected in parallel.
2. The circulating carrier gas purification treatment system for sludge drying of claim 1, wherein: the carrier gas condenser and the vortex flushing pipes on the carrier gas demister are all three and are arranged at intervals of 120 degrees.
3. The circulating carrier gas purification treatment system for sludge drying as claimed in claim 1, wherein: the vortex washing pipe is inclined downwards by 15 degrees along the vertical direction of the vortex washing pipe and inclined towards the left by 30 degrees along the horizontal direction of the vortex washing pipe.
4. The circulating carrier gas purification treatment system for sludge drying of claim 1, wherein: the upper part of the carrier gas condenser is provided with an end enclosure, and a shower nozzle is arranged in the end enclosure;
the shower nozzle is made of stainless steel metal.
5. The circulating carrier gas purification treatment system for sludge drying of claim 1, wherein: and manual ball valves are arranged on the sewage discharge pipeline and the bypass.
6. The circulating carrier gas purification treatment system for sludge drying of claim 5, wherein: the manual ball valve on the sewage pipeline is normally opened, and the manual ball valve on the bypass is normally closed.
7. The circulating carrier gas purification treatment system for sludge drying of claim 1, wherein: the sludge cutting machine is a pipeline type sludge cutting machine, and the sewage pump is a pipeline type non-blocking sewage pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122877141.XU CN216677607U (en) | 2021-11-23 | 2021-11-23 | Circulating carrier gas purification treatment system for sludge drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122877141.XU CN216677607U (en) | 2021-11-23 | 2021-11-23 | Circulating carrier gas purification treatment system for sludge drying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216677607U true CN216677607U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122877141.XU Active CN216677607U (en) | 2021-11-23 | 2021-11-23 | Circulating carrier gas purification treatment system for sludge drying |
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| Country | Link |
|---|---|
| CN (1) | CN216677607U (en) |
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2021
- 2021-11-23 CN CN202122877141.XU patent/CN216677607U/en active Active
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