CN210973900U - Water saving fixtures of white carbon black production of precipitation method - Google Patents
Water saving fixtures of white carbon black production of precipitation method Download PDFInfo
- Publication number
- CN210973900U CN210973900U CN201922106937.8U CN201922106937U CN210973900U CN 210973900 U CN210973900 U CN 210973900U CN 201922106937 U CN201922106937 U CN 201922106937U CN 210973900 U CN210973900 U CN 210973900U
- Authority
- CN
- China
- Prior art keywords
- phase change
- change system
- washing
- water
- carbon black
- 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
Landscapes
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The utility model belongs to the technical field of white carbon black preparation by a precipitation method, and particularly discloses a water saving device for white carbon black production by the precipitation method, which comprises a white carbon black production system and a water saving system, wherein the water saving system comprises a phase change system and a soft water recycling system, the phase change system comprises a phase change system I, a phase change system II and a phase change system III, the reaction system comprises a reaction kettle, the aging system comprises an aging kettle, a washing system comprises a washing wastewater buffer tank, the phase change system I is arranged at the upper part of the reaction kettle, the phase change system II is arranged at the upper part of the aging kettle, the phase change system III is arranged at, the phase change system I, the phase change system II and the phase change system III are respectively communicated with an inlet of a soft water recycling system, an outlet of the soft water recycling system is respectively communicated with a batching system and a washing system, the water-saving device mainly introduces a phase change principle into a white carbon black reaction system, and utilizes the self heat in the white carbon black reaction process to remove more than 30 percent of water in the reaction system.
Description
Technical Field
The utility model belongs to the technical field of white carbon black is prepared to the precipitation method, especially, relate to a water saving fixtures of production of precipitation method white carbon black.
Background
Due to the limitation of the production process, the production process of the precipitated white carbon black needs to consume a large amount of clean water in the processes of raw material liquid preparation, filter cake washing and the like, the consumed water is finally discharged in the form of washing water, according to production statistics, the amount of waste water produced by 1 ton of products is 18-25 tons, the washing waste water contains sodium ions, chloride ions, sulfate ions and the like, the subsequent treatment difficulty is very high, the energy consumption is high, and the long-term development of the precipitated white carbon black process is seriously restricted. Aiming at the industrial problems of large washing water consumption, difficult treatment and high energy consumption in the white carbon black production process by the precipitation method, the water-saving production process of the green white carbon black capable of efficiently recovering the water resource of the white carbon black production system is developed, so that the water consumption of the white carbon black production process by the precipitation method can be reduced by more than 30 percent.
Disclosure of Invention
The utility model aims at providing a water saving fixtures of precipitation method white carbon black production, this water saving fixtures mainly introduce the phase transition principle at white carbon black reaction system, utilize the heat of white carbon black reaction in-process self to remove the moisture in the reaction system more than 30%, and the soft water of removing can be used to the preparation of raw materials and the washing of white carbon black filter cake in the white carbon black production, replaces the water of feed proportioning system and washing system.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a water saving device for white carbon black production by a precipitation method comprises a white carbon black production system and a water saving system, wherein the white carbon black production system comprises a raw material proportioning system, a reaction system communicated with the proportioning system, an ageing system communicated with the reaction system, a filter pressing system communicated with the ageing system, a washing system communicated with the filter pressing system, a pulping system communicated with the washing system, a drying system communicated with the pulping system, and white carbon black products produced from the drying system, the water saving system comprises a phase change system and a soft water recycling system, the phase change system comprises a phase change system I, a phase change system II and a phase change system III, the reaction system comprises a reaction kettle, the ageing system comprises an ageing kettle, the washing system comprises a washing wastewater buffer tank, the phase change system I is arranged at the upper part of the reaction kettle, the phase change system II is arranged at the upper part of the ageing kettle, the phase change, phase change system I, phase change system II and phase change system III are linked together with soft water recycling system import respectively, soft water recycling system export communicates with feed proportioning system and washing system respectively.
Further, phase change system I, phase change system II and phase change system III all include vacuum pump, scrubbing tower and defroster, soft water recycling system include the pipeline and with a plurality of heat exchangers of pipeline looks UNICOM.
Further, phase change system I's vacuum pump entry is connected with reation kettle, and the vacuum pump export communicates with the scrubbing tower, phase change system II's vacuum pump entry is connected with ageing cauldron, and the vacuum pump export communicates with the scrubbing tower, phase change system III's vacuum pump entry is linked together with washing waste water buffer tank, and the vacuum pump export communicates with the scrubbing tower, and the scrubbing tower top is equipped with the defroster, and the scrubbing tower middle part is equipped with the sieve, and the sieve is used for packing, and the level is equipped with the washing water pipe between defroster and the sieve, is equipped with a plurality of shower nozzles on the washing water pipe, and washing water pipe export is linked together with scrubbing tower bottom pipeline, and scrubbing tower bottom export is linked together with soft water recycling system pipeline to communicate with feed proportioning system and scrubbing system after a plurality of heat exchangers.
Further, vacuum pumps of the phase change system I, the phase change system II and the phase change system III are all gas delivery pumps, and the pressure of the vacuum pumps is 0-100 Kpa.
Furthermore, the gas washing tower of the phase change system I, the phase change system II and the phase change system III is a packed tower or a multilayer sieve plate tower, a steam inlet is formed in the lower portion of the gas washing tower, a washing water inlet is formed in the upper portion of the gas washing tower, a soft water outlet is formed in the bottom of the gas washing tower, and a gas outlet is formed in the top of the gas washing tower.
Furthermore, the demisters of the phase change system I, the phase change system II and the phase change system III are cyclone demisters or wire mesh demisters.
Furthermore, the heat exchanger of the soft water recycling system is a shell-and-tube heat exchanger, the shell pass is soft water from the bottom of the scrubbing tower, the tube pass is circulating cooling water, and the number of the shell-and-tube heat exchangers is 1-3.
A water-saving process of a water-saving device for producing white carbon black by a precipitation method comprises a white carbon black production system, a phase change system and a soft water recycling system, wherein the phase change system comprises a phase change system I, phase change system II and phase change system III, phase change system I and white carbon black production system's reaction system UNICOM, phase change system II and white carbon black production system's aging system intercommunication, phase change system III and white carbon black production system's washing system UNICOM, the phase change system realizes the negative pressure operating environment with reation kettle, aging cauldron and washing waste water storage tank in white carbon black production link under the effect of vacuum pump, take out vapor containing water, vapor containing water gets into and washes the water in the vapor and come off the reuse with washing water backward contact after the scrubbing tower, gas is unified to be discharged outside behind the defroster from the scrubbing tower top, the soft water that washes off sends to each production unit of white carbon black after a plurality of heat exchangers cooling of soft water recycling system.
The utility model has the advantages that: utilize the phase transition principle of water, shift out the part of the hot water controllability in white carbon black reation kettle, ageing cauldron, the washing liquid buffer tank, reduced the outer discharge of system waste water on the one hand, on the other hand has reduced the supply volume of system fresh water because the retrieval and utilization of soft water, has alleviateed follow-up effluent disposal system's effluent disposal capacity most importantly, provides new method and thinking to the greening of precipitation method white carbon black technology, energy-conserving transformation, the utility model discloses the technology introduces the water phase transition principle in the white carbon black industrial production, has reduced the outer discharge of waste water in the precipitation method white carbon black production process to a certain extent, has better economic and social.
Drawings
FIG. 1 is a schematic view of the process of the present invention.
Fig. 2 is a schematic structural diagram of the phase change system of the present invention.
1. A scrubber tower; 2. a demister; 3. a sieve plate; 4. a vacuum pump; 5. a spray head; 6. washing the water pipe; 7. clean soft water.
Detailed Description
As shown in the figure, the water saving device for producing white carbon black by a precipitation method comprises a white carbon black production system and a water saving system, wherein the white carbon black production system comprises a raw material proportioning system, a reaction system communicated with the proportioning system, an aging system communicated with the reaction system, a filter pressing system communicated with the aging system, a washing system communicated with the filter pressing system, a pulping system communicated with the washing system, a drying system communicated with the pulping system and white carbon black products produced from the drying system, the water saving system comprises a phase change system and a soft water recycling system, the phase change system comprises a phase change system I, a phase change system II and a phase change system III, the reaction system comprises a reaction kettle, the aging system comprises an aging kettle, the washing system comprises a washing wastewater buffer tank, the phase change system I is arranged at the upper part of the reaction kettle, the phase change system II is arranged at the upper part of the aging kettle, the phase change system I, the phase change system II and the phase change system III are respectively communicated with an inlet of a soft water recycling system, and an outlet of the soft water recycling system is respectively communicated with a batching system and a washing system; the phase change system I, the phase change system II and the phase change system III all comprise a vacuum pump 4, a gas washing tower 1 and a demister 2, the soft water recycling system comprises a pipeline and a plurality of heat exchangers communicated with the pipeline, an inlet of the vacuum pump 4 of the phase change system I is connected with a reaction kettle, an outlet of the vacuum pump 4 is communicated with the gas washing tower 1, an inlet of the vacuum pump 4 of the phase change system II is connected with an aging kettle, an outlet of the vacuum pump 4 is communicated with the gas washing tower 1, an inlet of the vacuum pump 4 of the phase change system III is communicated with a washing wastewater buffer tank, an outlet of the vacuum pump 4 is communicated with the gas washing tower 1, the top of the gas washing tower 1 is provided with the demister 2, the middle part of the gas washing tower 1 is provided with a sieve plate 3, the sieve plate 3 is used for filling, a washing water pipe 6 is horizontally arranged between the demister 2 and the sieve plate 3, an outlet at the bottom of the gas washing tower 1 is communicated with a pipeline of a soft water recycling system, and is communicated with a batching system and a washing system after being cooled by a plurality of heat exchangers; the vacuum pumps of the phase change system I, the phase change system II and the phase change system III are all gas delivery pumps, and the pressure of the vacuum pumps is 0-100 Kpa; the gas washing towers of the phase change system I, the phase change system II and the phase change system III are packed towers or multilayer sieve plate towers, the lower part of the gas washing tower is provided with a steam inlet, the upper part of the gas washing tower is provided with a washing water inlet, the bottom of the gas washing tower is provided with a soft water outlet, and the top of the gas washing tower is provided with a gas outlet; the demisters of the phase change system I, the phase change system II and the phase change system III are cyclone demisters or wire mesh demisters; the heat exchanger of the soft water recycling system is a shell-and-tube heat exchanger, the shell pass is soft water from the bottom of the gas washing tower, the tube pass is circulating cooling water, and the number of the shell-and-tube heat exchangers is 1-3.
A water-saving process of a water-saving device for producing white carbon black by a precipitation method comprises a white carbon black production system, a phase change system and a soft water recycling system, wherein the phase change system comprises a phase change system I, phase change system II and phase change system III, phase change system I and white carbon black production system's reaction system UNICOM, phase change system II and white carbon black production system's aging system intercommunication, phase change system III and white carbon black production system's washing system UNICOM, the phase change system realizes the negative pressure operating environment with reation kettle, aging cauldron and washing waste water storage tank in white carbon black production link under the effect of vacuum pump, take out vapor containing water, vapor containing water gets into and washes the water in the vapor and come off the reuse with washing water backward contact after the scrubbing tower, gas is unified to be discharged outside behind the defroster from the scrubbing tower top, the soft water that washes off sends to each production unit of white carbon black after a plurality of heat exchangers cooling of soft water recycling system.
When the method is used specifically, raw material liquid A (2.7 tons, the water content of 80%) and raw material liquid B (6.25 tons, the water content of 80%) from a batching system are respectively pumped to a white carbon black reaction system, the temperature of the reaction system is 70-90 ℃, after the reaction of the raw material liquid is finished, the white carbon black crude liquid is sent to an aging system, the temperature of the aging system is 40-80 ℃, more than 80% of the reaction system and the aging system are all water, the aged white carbon black solution is sent to a plate frame filter pressing system, the white carbon black after filter pressing is washed for a plurality of times (the washing water amount is 15 tons) by a washing system, 22.16 tons of wastewater is generated by the accumulation of the white carbon black production system, the white carbon black filter cake is sent to a pulping system, and finally, the. Because the temperature and the water content of the reaction system and the ageing system are higher, the upper parts of the reaction kettle and the ageing kettle respectively lead out water vapor in a controlled manner through a phase change system I and a phase change system II under the pressure of 30-50KPa (the phase change system I leads out 0.5 ton of water vapor, and the phase change system II leads out 3.2 tons of water vapor), the water vapor is conveyed to a batching system and a washing system for reuse after being washed and cooled, the upper part of a washing wastewater buffer tank passes through a phase change system III, the water vapor is led out in a controlled manner through the phase change system III under the lower pressure (about 10 KPa) (the phase change system III leads out 3.5 tons of water vapor), the water vapor is also conveyed to a white carbon black system for reuse after being washed and cooled, 7.2 tons of clean water are cumulatively led out by the three phase change systems, all the water is used as raw material system chemical materials and washing system make-up water, the reutilization is realized, the wastewater discharge reduction, greatly reduces the treatment capacity of the discharged washing wastewater.
Claims (7)
1. The utility model provides a water saving fixtures of precipitation method white carbon black production, includes white carbon black production system and water-saving system, white carbon black production system includes raw materials feed proportioning system, and the reaction system of feed proportioning system UNICOM, with the ageing system of reaction system UNICOM, with the filter-pressing system of ageing system UNICOM, with the washing system of filter-pressing system UNICOM, with the system of making beating of washing system UNICOM, with the drying system of making beating system UNICOM to and the white carbon black product of following the drying system output, its characterized in that: the water saving system includes phase change system and soft water recycling system, and the phase change system includes phase change system I, phase change system II and phase change system III, reaction system includes reation kettle, and aging system includes ageing cauldron, and washing system includes washing waste water buffer tank, and reation kettle upper portion is equipped with phase change system I, and ageing cauldron upper portion is equipped with phase change system II, and washing waste water buffer tank upper portion is equipped with phase change system III, phase change system I, phase change system II and phase change system III are linked together with soft water recycling system import respectively, soft water recycling system exports respectively with feed proportioning system and washing system intercommunication.
2. The water saving device for producing precipitated silica according to claim 1, characterized in that: phase change system I, phase change system II and phase change system III all include vacuum pump, scrubbing tower and defroster, soft water recycling system include the pipeline and with a plurality of heat exchangers of pipeline looks UNICOM.
3. The water saving device for producing precipitated silica according to claim 2, characterized in that: phase change system I's vacuum pump entry is connected with reation kettle, and the vacuum pump export communicates with the scrubbing tower, phase change system II's vacuum pump entry is connected with ageing cauldron, and the vacuum pump export communicates with the scrubbing tower, phase change system III's vacuum pump entry is linked together with washing waste water buffer tank, and the vacuum pump export communicates with the scrubbing tower, and the scrubbing tower top is equipped with the defroster, and the scrubbing tower middle part is equipped with the sieve, and the sieve is used for packing, and the level is equipped with the washing water pipe between defroster and the sieve, is equipped with a plurality of shower nozzles on the washing water pipe, and washing water pipe export is linked together with scrubbing tower bottom pipeline, and scrubbing tower bottom export is linked together with soft water recycling system pipeline to communicate with feed proportioning system and washing system after a plurality of.
4. The water saving device for producing precipitated silica according to claim 3, characterized in that: the vacuum pumps of the phase change system I, the phase change system II and the phase change system III are all gas delivery pumps, and the pressure of the vacuum pumps is 0-100 Kpa.
5. The water saving device for producing precipitated silica according to claim 4, wherein: the gas washing tower of the phase change system I, the phase change system II and the phase change system III is a packed tower or a multilayer sieve plate tower, a steam inlet is arranged at the lower part of the gas washing tower, a washing water inlet is arranged at the upper part of the gas washing tower, a soft water outlet is arranged at the bottom of the gas washing tower, and a gas outlet is arranged at the top of the gas washing tower.
6. The water saving device for producing precipitated silica according to claim 5, wherein: the demisters of the phase change system I, the phase change system II and the phase change system III are cyclone demisters or wire mesh demisters.
7. The water saving device for producing precipitated silica according to claim 6, wherein: the heat exchanger of the soft water recycling system is a shell-and-tube heat exchanger, the shell pass is soft water from the bottom of the gas washing tower, the tube pass is circulating cooling water, and the number of the shell-and-tube heat exchangers is 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106937.8U CN210973900U (en) | 2019-11-29 | 2019-11-29 | Water saving fixtures of white carbon black production of precipitation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106937.8U CN210973900U (en) | 2019-11-29 | 2019-11-29 | Water saving fixtures of white carbon black production of precipitation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210973900U true CN210973900U (en) | 2020-07-10 |
Family
ID=71422481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922106937.8U Active CN210973900U (en) | 2019-11-29 | 2019-11-29 | Water saving fixtures of white carbon black production of precipitation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210973900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745832A (en) * | 2019-11-29 | 2020-02-04 | 河南骏化发展股份有限公司 | Water-saving device and process for producing white carbon black by precipitation method |
-
2019
- 2019-11-29 CN CN201922106937.8U patent/CN210973900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745832A (en) * | 2019-11-29 | 2020-02-04 | 河南骏化发展股份有限公司 | Water-saving device and process for producing white carbon black by precipitation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101428841A (en) | Process for producing basic copper carbonate | |
| CN102512937A (en) | Method for recycling hydrogen sulfide waste gas | |
| CN210973900U (en) | Water saving fixtures of white carbon black production of precipitation method | |
| CN210366982U (en) | Absorption device for potassium sulfate byproduct hydrochloric acid by Mannheim method | |
| CN102602964B (en) | Process method for reinforced alkali-united filtration | |
| CN101760251A (en) | New water-saving, energy-saving and less-equipment corrosion process and device for purifying coke oven gas | |
| CN218924286U (en) | Hydrogen chloride and magnesium chloride dust tail gas treatment system | |
| CN202070281U (en) | Tail gas recovery and purification treatment device for polycrystalline silicon production line | |
| CN201686637U (en) | Hexamethylenetetramine preparing device by gas phase method | |
| CN101792447A (en) | Process and device for preparing urotropine by using gas phase method | |
| CN110745832A (en) | Water-saving device and process for producing white carbon black by precipitation method | |
| CN205973832U (en) | Dissolve out system that utilizes of exhaust steam among oxidation aluminium production | |
| CN206033271U (en) | High -purity poly aluminium chloride production system | |
| CN202876637U (en) | Double-tower ammonia washing system for membrane separation treatment | |
| CN204779502U (en) | Raw gas ash removal system | |
| CN210613312U (en) | Vertical washing tower | |
| CN103395914B (en) | Recycling method of glutamic acid crystalloblastic mother liquor | |
| CN208121212U (en) | The production of caustic soda line of coproduction chlorinated paraffin and synthesis ammonia | |
| CN203613126U (en) | Energy-saving and efficient urea low-pressure decomposition system | |
| CN112299943A (en) | Acetylene cleaning device and method in vinyl acetate production process | |
| CN206911024U (en) | A kind of washing powder spray drying tower tail gas dust cleaning apparatus | |
| CN206680300U (en) | A kind of acetylene production water circulation utilization system | |
| CN218944380U (en) | White carbon black spray drying device capable of recycling waste gas heat | |
| CN205011673U (en) | Cyclohexanecarboxylic acid reation kettle tail gas recovery unit | |
| CN204874354U (en) | Device of feather production cystine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20220507 Granted publication date: 20200710 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220613 Granted publication date: 20200710 |