CN216426800U - System for chloride ion content in slurry at bottom of ammonia process desulfurizing tower - Google Patents
System for chloride ion content in slurry at bottom of ammonia process desulfurizing tower Download PDFInfo
- Publication number
- CN216426800U CN216426800U CN202122833015.4U CN202122833015U CN216426800U CN 216426800 U CN216426800 U CN 216426800U CN 202122833015 U CN202122833015 U CN 202122833015U CN 216426800 U CN216426800 U CN 216426800U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- tower
- dust collector
- cyclone dust
- ammonium sulfate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a system of chloride ion content in desorption ammonia process desulfurizing tower bottom slurry, including former flue gas heating device, the spray drying tower, one-level cyclone and second grade cyclone, former flue gas heating device's input and former flue gas phase connection set up, former flue gas heating device, the output of mother's cistern is connected the setting with the input of spray drying tower, the output and the one-level cyclone of spray drying tower, the input of thiamine storehouse is connected the setting, one-level cyclone's output is connected the setting with second grade cyclone's input, second grade cyclone's output is connected the setting with the desulfurizing tower entry. The system reduces the content of chloride ions in the tower bottom slurry of the ammonia desulfurization tower by removing the content of the chloride ions in the slurry of the mother liquor tank, prevents the corrosion of the chloride ions in the slurry on the tower body of the ammonia desulfurization tower, and has the advantages of high removal efficiency, high reliability, long continuous operation period, low maintenance cost and the like.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, especially, system of chloride ion content in desorption ammonia process desulfurizing tower bottom slurry.
Background
The content of chloride ions in the slurry at the bottom of the ammonia desulfurization tower is too high, so that the corrosion of the tower body of the desulfurization tower can be caused, the normal operation of the desulfurization tower is influenced, the thickness of the tower body is reduced after the corrosion of the tower body of the desulfurization tower, and the tower body has certain danger, so that the safety coefficient of the tower body is reduced. At present, the content of chloride ions in the tower bottom slurry of the domestic ammonia desulfurization tower is generally too high, and the requirement on the material of the tower body of the desulfurization tower is higher, so that the investment cost and the operation cost of the desulfurization tower are increased.
At present, the content of chloride ions in the tower bottom slurry of the ammonia desulfurization tower is mainly controlled by controlling the content of chloride ions in flue gas, process water and industrial water, but the method is not easy to operate and can increase the investment cost and the operation cost.
Through searching, the following patent publications relevant to the patent application of the utility model are found:
1. a high-concentration chloride ion mother liquor processing system (CN202020313600.4) for ammonia desulphurization comprises a high-concentration chloride ion ammonium sulfate mother liquor storage tank, an ammonium sulfate mother liquor pump, a preheater, an evaporator, a crystallization tank, a cyclone feeding pump, a centrifuge, a vibrating fluidized bed dryer and a packaging machine which are mutually connected through pipelines; the high-concentration chloride ion mother liquor is subjected to rotational flow concentration and centrifugal dehydration to form solid with the water content of 3% -5%, then the solid is dried in a vibrating fluidized bed dryer to form a product with the water content of less than or equal to 1%, the product is packaged by a packaging machine, and tail gas generated in the drying process is discharged through a cyclone separator and a draught fan in sequence. The utility model discloses can reduce the concentration of chloride ion in the ammonia process desulfurization system circulation thick liquid, solve the influence of chloride ion enrichment to sweetener, prolong the life of equipment, obtain the ammonium sulfate that the granule is even, the particle diameter is great, ammonium chloride mixed crystal simultaneously, prevent the waste of resource. .
2. MVR evaporation crystallization removes chloride ion device (CN202022819925.2) among ammonia process desulfurization thick liquid, and the interior thiamine solution of desulfurizing tower passes through the pump and carries MVR evaporation crystallization system, and solution under the effect of evaporation circulating pump, the pump goes into the heater heating, reentrant evaporation separation room flash distillation, and the steam that flashes out passes through behind vapor compressor secondary compression raising pressure and the temperature, gets into the heater shell side as heating steam, and the comdenstion water is discharged. And continuously concentrating the ammonium sulfate solution to be crystallized in the evaporation process, pumping the ammonium sulfate solution into a centrifugal separation system for separation, dehydration and discharge after the solid content of the solution reaches 10-20%, removing chloride ions in the solution in the form of ammonium chloride crystals and discharging, returning the centrifugally separated mother liquor to a mother liquor tank, and pumping the mother liquor back to the evaporation separation chamber through a mother liquor pump for recycling. Adopt the technology can effectively get rid of ammonia method desulfurization system's chloridion and fluorinion, the operation energy consumption is low, good reliability.
3. A chlorine ion removing device (CN201920026858.3) in the ammonia desulphurization process comprises a spray dryer, an air heater and a mother liquor tank, wherein a high-speed rotary atomizer is installed in the spray dryer, a hot air inlet and a waste gas channel are arranged on the side surface of the spray dryer, a spiral conveyer is arranged under the spray dryer, the front end and the rear end of the air heater are respectively connected with a hot air outlet and an air feeder, the left side and the right side of the air heater are provided with a water vapor inlet and a water flow outlet, a stirrer is arranged in the mother liquor tank, an outlet of the mother liquor tank is connected with a mother liquor pump, the upper end of the mother liquor tank is connected with a rotational flow liquid inlet and an ammonium sulfate liquid inlet, the chlorine ions in the ammonium sulfate liquid and ammonium sulfate in the rotational flow liquid are spray-dried together in the form of ammonium chloride by utilizing the principle of spray drying to obtain a powdery mixture, and the concentration of the chlorine ions is controlled below 40g/L, and the stable operation of the desulfurization system is ensured.
Through technical contrast, the utility model application and the above-mentioned patent publication have the difference of essence.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a system, a method and an application for removing the chloride ion content in the tower bottom slurry of an ammonia desulfurization tower.
In order to achieve the above object, the utility model adopts the following technical scheme:
a system for removing chloride ion content in slurry at the bottom of an ammonia desulfurization tower is connected with a mother liquid tank, raw flue gas and an inlet of the desulfurization tower, and comprises a raw flue gas heating device, a spray drying tower, a primary cyclone dust collector and a secondary cyclone dust collector, wherein the input end of the raw flue gas heating device is connected with the raw flue gas, the output ends of the raw flue gas heating device and the mother liquid tank are connected with the input end of the spray drying tower, the output end of the spray drying tower is connected with the input ends of the primary cyclone dust collector and an ammonium sulfate storehouse, the output end of the primary cyclone dust collector is connected with the input ends of the secondary cyclone dust collector and the ammonium sulfate storehouse, and the output end of the secondary cyclone dust collector is connected with the inlets of the desulfurization tower and the ammonium sulfate storehouse.
Furthermore, the output end of the secondary cyclone dust collector is connected with the inlet of the desulfurizing tower through an induced draft fan.
Furthermore, the raw flue gas heating device comprises a flue gas outlet, an air heater, a steam heater, a flue gas inlet, an air blower and a heating tower body, wherein the flue gas outlet, the air heater, the steam heater and the flue gas inlet are communicated from top to bottom and arranged in the heating tower body at intervals, the flue gas inlet is communicated and arranged at the bottom of the heating tower body, and the flue gas inlet is connected with raw flue gas through the air blower;
the spray drying tower comprises a flue gas outlet, a slurry spraying section, a pneumatic rotational flow section, a flue gas inlet, an ammonium sulfate outlet and a drying tower body, wherein the flue gas outlet, the slurry spraying section, the pneumatic rotational flow section, the flue gas inlet and the ammonium sulfate outlet are communicated from top to bottom and are arranged in the drying tower body at intervals, the ammonium sulfate outlet is arranged at the bottom of the drying tower body and is connected with the input end of an ammonium sulfate storehouse, and the flue gas outlet of the raw flue gas heating device is connected with the flue gas inlet of the spray drying tower;
the output end of the primary cyclone dust collector comprises a flue gas outlet and an ammonium sulfate crystal outlet, and the output end of the secondary cyclone dust collector comprises a flue gas outlet and an ammonium sulfate crystal outlet;
the flue gas outlet of the spray drying tower is connected with the input end of the primary cyclone dust collector, the flue gas outlet of the primary cyclone dust collector is connected with the input end of the secondary cyclone dust collector, and the flue gas outlet of the secondary cyclone dust collector is connected with the inlet of the desulfurizing tower; and an ammonium sulfate crystal outlet of the primary cyclone dust collector and an ammonium sulfate crystal outlet of the secondary cyclone dust collector are connected with an ammonium sulfate storehouse.
Furthermore, the slurry spraying section of the spray drying tower comprises a spraying pipeline and a nozzle, the nozzle is communicated with and arranged on the spraying pipeline, the input end of the spraying pipeline is connected with the mother liquid tank, the output end of the spraying pipeline is connected with the input end of the nozzle, and the output end of the nozzle can spray the slurry in the mother liquid tank into the tower body below the nozzle.
The utility model discloses the advantage and the effect that gain are:
1. the system reduces the content of chloride ions in the tower bottom slurry of the ammonia desulfurization tower by removing the content of the chloride ions in the slurry of the mother liquor tank, prevents the corrosion of the chloride ions in the slurry on the tower body of the ammonia desulfurization tower, and has the advantages of high removal efficiency, high reliability, long continuous operation period, low maintenance cost and the like. The system can be applied to the removal of the chloride ion content in the tower bottom slurry of the ammonia desulfurization tower.
2. The system for removing the chloride ion content in the slurry at the tower bottom of the ammonia desulfurization tower is provided with a slurry spraying section and a pneumatic cyclone section, raw flue gas enters a spray drying tower through a flue gas inlet of the spray drying tower after being heated or without being heated and then enters the lower part of the pneumatic cyclone section, under the action of cyclone blades, the raw flue gas forms strong turbulence and cyclone in the spray drying tower after being accelerated and rotationally cut, the slurry sprayed from a mother liquor tank by the slurry spraying section is strongly mixed with wet-containing particles or liquid drops in the spray drying tower to be rotationally cut, the liquid drop mass transfer and heat transfer coefficient is increased along with the increase of the Reynolds number, the progress of liquid drop heat transfer and mass transfer is enhanced, the drying of the liquid drops is greatly facilitated, the efficiency of removing the chloride ion in the slurry is improved while the energy consumption is reduced, the chloride ion enters an ammonium sulfate storehouse along with ammonium sulfate crystals after the slurry is dried, and the flue gas sequentially enters a primary cyclone dust collector and a secondary cyclone dust collector through a flue gas outlet to remove the residual sulfur After the ammonium crystal, get into the desulfurizing tower entry through the draught fan, this system has the desorption efficient, and the reliability is high, and the continuous operation cycle is long, and maintenance cost hangs down the grade advantage.
3. The system is provided with the spray drying tower, and the spray drying tower has the advantages of simple structure, easy manufacture and low investment cost.
4. Flue gas rethread exhanst gas outlet behind the spray drying tower in this system gets into one-level cyclone and second grade cyclone in proper order and gets into the desulfurizing tower entry through the draught fan after detaching remaining ammonium sulfate crystal, can prevent that the chloridion in the ammonium sulfate crystal from getting into the desulfurizing tower along with former flue gas in, has further improved chloridion's desorption efficiency.
Drawings
Fig. 1 is a schematic diagram of a structural connection of the system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only and are not intended to be limiting, and the scope of the present invention should not be limited thereby.
The utility model discloses in the raw materials that use, if do not have the special explanation, be conventional commercial product, the utility model discloses in the method that uses, if do not have the special explanation, be the conventional method in this field, the used each material quality of the utility model is conventional use quality. The structures, connection relations, etc. not described in detail in the present invention can be understood as conventional technical means in the art.
A system for removing chloride ion content in slurry at the bottom of an ammonia desulfurization tower is shown in figure 1 and is connected with a mother liquid tank, raw flue gas and an inlet of the desulfurization tower, the removal system comprises a raw flue gas heating device 3, a spray drying tower 5, a primary cyclone dust collector 7 and a secondary cyclone dust collector 8, the input end of the raw flue gas heating device is connected with the raw flue gas, the output ends of the raw flue gas heating device and the mother liquid tank are connected with the input end of the spray drying tower, the output end of the spray drying tower is connected with the input ends of the primary cyclone dust collector and an ammonium sulfate storehouse, the output end of the primary cyclone dust collector is connected with the input ends of the secondary cyclone dust collector and the ammonium sulfate storehouse, and the output end of the secondary cyclone dust collector is connected with the inlets of the desulfurization tower and the ammonium sulfate storehouse.
When the system is used, the system is connected with the mother liquor tank, the raw flue gas and the inlet of the desulfurization tower, the raw flue gas enters the spray drying tower after being heated by the raw flue gas heating device, ammonium sulfate crystals in the flue gas are removed by the primary cyclone dust collector and the secondary cyclone dust collector after spray drying treatment, and then the flue gas enters the desulfurization tower. The desorption system has the advantages of high desorption efficiency, high reliability, long continuous operation period, low maintenance cost and the like.
In this embodiment, the raw flue gas heating device can heat raw flue gas, the spray drying tower can spray-dry flue gas treated by the raw flue gas heating device, and the primary cyclone dust collector and the secondary cyclone dust collector can remove ammonium sulfate crystals in the flue gas after the spray-drying treatment.
In this embodiment, the output end of the secondary cyclone dust collector is connected with the inlet of the desulfurizing tower through an induced draft fan (not shown in the figure).
In this embodiment, the raw flue gas heating device includes a flue gas outlet 9, an air heater 4, a steam heater 2, a flue gas inlet 13, an air blower 1 and a heating tower 17, the flue gas outlet, the air heater, the steam heater and the flue gas inlet are communicated from top to bottom and arranged in the heating tower at intervals, the flue gas inlet is communicated and arranged at the bottom of the heating tower, and the flue gas inlet is connected with raw flue gas through the air blower;
the spray drying tower comprises a flue gas outlet 10, a slurry spraying section 14, a pneumatic cyclone section 6, a flue gas inlet 15, an ammonium sulfate outlet 16 and a drying tower body 18, wherein the flue gas outlet, the slurry spraying section, the pneumatic cyclone section, the flue gas inlet and the ammonium sulfate outlet are communicated from top to bottom and are arranged in the drying tower body at intervals, the ammonium sulfate outlet is arranged at the bottom of the drying tower body and is connected with the input end of an ammonium sulfate storehouse, and the flue gas outlet of the original flue gas heating device is connected with the flue gas inlet of the spray drying tower;
the output end of the primary cyclone dust collector comprises a flue gas outlet 71 and an ammonium sulfate crystal outlet 72, and the output end of the secondary cyclone dust collector comprises a flue gas outlet 81 and an ammonium sulfate crystal outlet 82;
the flue gas outlet of the spray drying tower is connected with the input end of the primary cyclone dust collector, the flue gas outlet of the primary cyclone dust collector is connected with the input end of the secondary cyclone dust collector, and the flue gas outlet of the secondary cyclone dust collector is connected with the inlet of the desulfurizing tower; and an ammonium sulfate crystal outlet of the primary cyclone dust collector and an ammonium sulfate crystal outlet of the secondary cyclone dust collector are connected with an ammonium sulfate storehouse.
In this embodiment, the thick liquid spraying section of spray drying tower includes spray pipe 11 and nozzle 12, the nozzle is linked together and is set up on spray pipe, spray pipe's input is connected the setting with mother's cistern, spray pipe's output is connected the setting with the input of nozzle, and the output of nozzle can spray thick liquid in the mother's cistern to the tower body below it.
In this embodiment, the material of the spray drying tower is 1.4529 or higher.
In this embodiment, the spray drying tower is an air-powered spray drying tower.
In this embodiment, the material of the spraying pipe, the nozzle and the pneumatic cyclone section is 1.4529 or higher.
One working principle of the desorption system can be as follows:
the method comprises the following steps that an air heater and a steam heater are not started when the temperature of raw flue gas is high (120-300 ℃), the air heater and the steam heater are required to be started to heat the raw flue gas when the temperature is low (60-120 ℃ and 120 ℃ is not contained), the raw flue gas is heated or not heated and then enters a spray drying tower to be strongly mixed with slurry sprayed out of a slurry spraying section in a pneumatic cyclone section, dried ammonium sulfate crystals enter an ammonium sulfate storehouse, the flue gas sequentially enters a primary cyclone dust collector and a secondary cyclone dust collector through a flue gas outlet to remove the ammonium sulfate crystals, and then enters an inlet of a desulfurizing tower through an induced draft fan.
The system for removing the content of chloride ions in the slurry at the bottom of the ammonia desulfurization tower is provided with a slurry spray section and a pneumatic cyclone section, raw flue gas enters a spray drying tower through a flue gas inlet of the spray drying tower after being heated or without being heated and then enters the lower part of the pneumatic cyclone section, under the action of cyclone blades, the raw flue gas forms strong turbulence and cyclone in the spray drying tower after being accelerated and rotationally cut, the slurry sprayed from a mother liquor tank and sprayed from the slurry spray section is strongly mixed and coupled with wet-containing particles or liquid drops in the spray drying tower for rotationally cut, the mass transfer and heat transfer coefficient of the liquid drops are increased along with the increase of the Reynolds number, the heat transfer and mass transfer of the liquid drops are enhanced, the drying of the liquid drops is greatly facilitated, the efficiency of removing the chloride ions in the slurry is improved while the energy consumption is reduced, the chloride ions enter an ammonium sulfate storehouse along with ammonium sulfate crystals after the slurry is dried, and the flue gas sequentially enters a primary cyclone dust collector and a secondary cyclone dust collector through a flue gas outlet to remove the residual ammonium sulfate crystals And then, the system enters the inlet of the desulfurizing tower through the draught fan, and has the advantages of high removing efficiency, high reliability, long continuous operation period, low maintenance cost and the like.
Although the embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore, the scope of the invention is not limited to the embodiments disclosed.
Claims (4)
1. A system for removing chloride ion content in slurry at the bottom of an ammonia desulfurization tower is characterized in that: the system is connected with the mother liquid tank, the raw flue gas and the inlet of the desulfurization tower, the removal system comprises a raw flue gas heating device, a spray drying tower, a primary cyclone dust collector and a secondary cyclone dust collector, the input end of the raw flue gas heating device is connected with the raw flue gas, the output ends of the raw flue gas heating device and the mother liquid tank are connected with the input end of the spray drying tower, the output end of the spray drying tower is connected with the input ends of the primary cyclone dust collector and the ammonium sulfate storehouse, the output end of the primary cyclone dust collector is connected with the input ends of the secondary cyclone dust collector and the ammonium sulfate storehouse, and the output end of the secondary cyclone dust collector is connected with the inlets of the desulfurization tower and the ammonium sulfate storehouse.
2. The system for removing the chloride ion content in the tower bottom slurry of the ammonia desulfurization tower according to claim 1, characterized in that: and the output end of the secondary cyclone dust collector is connected with the inlet of the desulfurizing tower through a draught fan.
3. The system for removing the chloride ion content in the tower bottom slurry of the ammonia desulfurization tower as recited in claim 1 or 2, wherein: the raw flue gas heating device comprises a flue gas outlet, an air heater, a steam heater, a flue gas inlet, an air blower and a heating tower body, wherein the flue gas outlet, the air heater, the steam heater and the flue gas inlet are communicated from top to bottom and are arranged in the heating tower body at intervals, the flue gas inlet is communicated and arranged at the bottom of the heating tower body, and the flue gas inlet is connected with raw flue gas through the air blower;
the spray drying tower comprises a flue gas outlet, a slurry spraying section, a pneumatic rotational flow section, a flue gas inlet, an ammonium sulfate outlet and a drying tower body, wherein the flue gas outlet, the slurry spraying section, the pneumatic rotational flow section, the flue gas inlet and the ammonium sulfate outlet are communicated from top to bottom and are arranged in the drying tower body at intervals, the ammonium sulfate outlet is arranged at the bottom of the drying tower body and is connected with the input end of an ammonium sulfate storehouse, and the flue gas outlet of the raw flue gas heating device is connected with the flue gas inlet of the spray drying tower;
the output end of the primary cyclone dust collector comprises a flue gas outlet and an ammonium sulfate crystal outlet, and the output end of the secondary cyclone dust collector comprises a flue gas outlet and an ammonium sulfate crystal outlet;
the flue gas outlet of the spray drying tower is connected with the input end of the primary cyclone dust collector, the flue gas outlet of the primary cyclone dust collector is connected with the input end of the secondary cyclone dust collector, and the flue gas outlet of the secondary cyclone dust collector is connected with the inlet of the desulfurizing tower; and an ammonium sulfate crystal outlet of the primary cyclone dust collector and an ammonium sulfate crystal outlet of the secondary cyclone dust collector are connected with an ammonium sulfate storehouse.
4. The system for removing the chloride ion content in the tower bottom slurry of the ammonia desulfurization tower according to claim 3, characterized in that: the slurry spraying section of the spray drying tower comprises a spraying pipeline and a nozzle, the nozzle is communicated with the spraying pipeline and is arranged on the spraying pipeline, the input end of the spraying pipeline is connected with the mother liquid tank, the output end of the spraying pipeline is connected with the input end of the nozzle, and the output end of the nozzle can spray slurry in the mother liquid tank into the tower body below the nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122833015.4U CN216426800U (en) | 2021-11-18 | 2021-11-18 | System for chloride ion content in slurry at bottom of ammonia process desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122833015.4U CN216426800U (en) | 2021-11-18 | 2021-11-18 | System for chloride ion content in slurry at bottom of ammonia process desulfurizing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216426800U true CN216426800U (en) | 2022-05-03 |
Family
ID=81338423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122833015.4U Active CN216426800U (en) | 2021-11-18 | 2021-11-18 | System for chloride ion content in slurry at bottom of ammonia process desulfurizing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216426800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053822A (en) * | 2021-11-18 | 2022-02-18 | 航天环境工程有限公司 | System and method for removing chloride ion content in tower bottom slurry of ammonia desulfurization tower and application |
-
2021
- 2021-11-18 CN CN202122833015.4U patent/CN216426800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053822A (en) * | 2021-11-18 | 2022-02-18 | 航天环境工程有限公司 | System and method for removing chloride ion content in tower bottom slurry of ammonia desulfurization tower and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10131546B2 (en) | Apparatus and method for producing magnesium sulfate from coal-fired boiler flue gas | |
| CN102850092B (en) | Technology for producing ammonium sulfate fertilizer through desulfurizing smoke by ammonia process, and apparatus thereof | |
| CN105651031B (en) | A kind of rotary flashing drying equipment and rotary flashing drying method | |
| CN204824506U (en) | Special processing apparatus of sulfur acid sodium waste water in plumbous recovery production | |
| CN111362342A (en) | Wastewater zero discharge system and method for multi-stage treatment | |
| WO2016011724A1 (en) | Paraformaldehyde production apparatus | |
| CN216426800U (en) | System for chloride ion content in slurry at bottom of ammonia process desulfurizing tower | |
| CN109607653A (en) | Wastewater zero discharge and desulfurization fume disappear white integrated treatment unit and processing method | |
| CN113264564A (en) | Wastewater zero discharge system based on high-efficiency concentration and spray drying integrated treatment | |
| CN104492106B (en) | A kind of coking desulfurization sulfur foam and the drying means of desulfurization waste liquor | |
| CN111377414B (en) | Insoluble sulfur extraction method and system | |
| CN207113428U (en) | A kind of ammonia process of desulfurization sulphur ammonium after-treatment system | |
| CN212024789U (en) | Ammonia process of desulfurization high concentration chloride ion mother liquor processing system | |
| CN205115263U (en) | Utilize sludge drying equipment of low temperature flue gas | |
| CN114053822A (en) | System and method for removing chloride ion content in tower bottom slurry of ammonia desulfurization tower and application | |
| CN104130360A (en) | Process for producing paraformaldehyde | |
| CN209128048U (en) | The drying and dehydrating device of chlorine industry production saltcake | |
| CN203999470U (en) | A kind of production technology of paraformaldehyde device | |
| CN111170339B (en) | System and method for preparing sodium sulfite by recycling active coke desulfurization rich gas | |
| CN212024793U (en) | System for sodium sulfite is prepared in rich gas resourceization of active coke desulfurization | |
| CN203999471U (en) | A kind ofly be with anti-blocking pipeline production technology of paraformaldehyde device | |
| CN212127544U (en) | System for preparing multi-salt by recycling regenerated gas of active coke | |
| CN202692628U (en) | System for drying ammonium sulphate airflow by residual heat recovery | |
| CN211625867U (en) | Salt drying tail gas waste heat recovery system | |
| CN104445283B (en) | A kind of reclaiming technique realizing discarded object in flue gas purifying method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |