CN202501756U - Sensible heat utilization system for electric furnace process yellow phosphorus tail gas - Google Patents
Sensible heat utilization system for electric furnace process yellow phosphorus tail gas Download PDFInfo
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- CN202501756U CN202501756U CN2012200744732U CN201220074473U CN202501756U CN 202501756 U CN202501756 U CN 202501756U CN 2012200744732 U CN2012200744732 U CN 2012200744732U CN 201220074473 U CN201220074473 U CN 201220074473U CN 202501756 U CN202501756 U CN 202501756U
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Abstract
The utility model provides a sensible heat utilization system for an electric furnace process yellow phosphorus tail gas. The system comprises the following components of: a heat exchange structure used for exchanging heat between yellow phosphorus tail gas discharged from a yellow phosphorus electric furnace and an outside cooling working medium. The heat exchange structure includes an air inlet, an air outlet, a working medium inlet and a working medium outlet, wherein the air inlet is communicated with a yellow phosphorus tail gas discharge outlet, the air outlet is communicated with a yellow phosphorus tail gas treatment device used for performing dedusting, cooling and rinsing on the yellow phosphorus tail gas discharged from the yellow phosphorus electric furnace, and the working medium inlet is communicated with the outside cooling medium; and a hot working medium utilization device which is used for utilizing an a hot working medium after the heat exchange and is communicated with the working medium outlet of the heat exchange structure. According to the sensible heat utilization system for the electric furnace process yellow phosphorus tail gas, the sensible heat of the high-temperature yellow phosphorus tail gas is utilized for heating the outside cooling medium through the heat exchange structure, and the hot working medium after the heat exchange is further utilized. Thus, the sensible heat of the yellow phosphorus tail gas discharged from the yellow phosphorus electric furnace in an electric furnace yellow phosphorus production process can be effectively used, thereby saving energy resources.
Description
Technical field
The utility model relates to a kind of yellow phosphoric tail gas recovery and utilization technology field, relates in particular to a kind of electric furnace method yellow phosphorus tail gas sensible heat utilization system.
Background technology
At present, yellow phosphorus nearly all is to adopt electric furnace process to produce.Electric furnace process phosphorus production technology is comparatively simple; Normally rock phosphate in powder, silica and coke are put in the yellow phosphorus electric furnace with granularity by a certain percentage; Issue at the high temperature of more than 1000 degree estrangedly separate, reduction reaction; High temperature furnace slag is directly discharged from yellow phosphorus electric furnace, and the high temperature yellow phosphoric tail gas that contains phosphorus steam, stove dirt and corrosive gas obtains product after cooling, rinsing.The high-temperature tail gas of directly discharging from yellow phosphorus electric furnace usually normally carries out spray cooling device at cooling, rinse stage; In general; Spray cooling device comprises one-level water cooling tower, secondary water cooling tower and three grades of water cooling towers, wherein, and one-level water cooling tower, secondary water cooling tower spray hot water; And three grades of water cooling tower spray cold water, and the hot water of one-level water cooling tower and secondary water cooling tower all is to adopt electric heating equipment to heat usually.
In electric furnace process phosphorus production technology; The high-temperature tail gas that contains phosphorus steam, stove dirt and corrosive gas of directly discharging from yellow phosphorus electric furnace has very high temperature before cooling, rinsing; About about 1000 degree; And this part tail gas sensible heat is not effectively utilized, and all is directly to get into cooling, rinse stage, thereby has caused the waste of this part heat resource.
The utility model content
In order to solve in the prior art that high-temperature tail gas sensible heat in the electric furnace process phosphorus production technology is not used effectively and the problem that causes the heat resource waste; The utility model provides a kind of electric furnace method yellow phosphorus tail gas sensible heat utilization system, and it can effectively utilize the sensible heat resource of high-temperature tail gas in the electric furnace process phosphorus production technology.
The technical scheme that the utility model provided is: a kind of electric furnace method yellow phosphorus tail gas sensible heat utilization system comprises:
Be used for the heat exchange structure that yellow phosphoric tail gas and extraneous cooling working medium with yellow phosphorus electric furnace discharging carry out heat exchange; Have air inlet, gas outlet, working medium import and sender property outlet; Said air inlet is communicated with the yellow phosphoric tail gas floss hole; Said gas outlet be used for the yellow phosphoric tail gas treating apparatus that yellow phosphoric tail gas to yellow phosphorus electric furnace discharging carries out dedusting, cooling, rinsing processing and be communicated with, said working medium import communicates with extraneous cooling medium; And,
The hot working fluid use device of the hot working fluid after the heat exchange capable of using is communicated with the sender property outlet of said heat exchange structure.
Further, the yellow phosphoric tail gas floss hole of said yellow phosphorus electric furnace is communicated with through the wireway structure with said yellow phosphoric tail gas treating apparatus; Said heat exchange structure comprises the radiation heating-surface that is arranged in the said wireway structure.
Further, said yellow phosphoric tail gas treating apparatus comprises the water cooling tower that is used for the yellow phosphoric tail gas of yellow phosphorus electric furnace discharging is carried out rinsing, cooling processing;
The sender property outlet of said heat exchange structure is communicated with the hot water inlet of said water cooling tower, is used to said water cooling tower hot water is provided.
Further, between the sender property outlet of said heat exchange structure and said water cooling tower, be provided with the storage tank that is used for stored hot water.
Further; Said water cooling tower comprises one-level water cooling tower, secondary water cooling tower and the three grades of water cooling towers that connect successively; Wherein, The sender property outlet of said heat exchange structure is communicated with the hot water inlet of said one-level water cooling tower and/or secondary water cooling tower, is used to said one-level water cooling tower and/or secondary water cooling tower hot water is provided.
Further, said yellow phosphoric tail gas treating apparatus also comprises the dust arrester that is arranged between said yellow phosphorus electric furnace and the said water cooling tower.
Further, the working medium import department at said heat exchange structure is provided with feed pump.
The beneficial effect of the utility model is:
The utility model electric furnace method yellow phosphorus tail gas sensible heat utilization system is provided with heat exchange structure between yellow phosphorus electric furnace and yellow phosphoric tail gas treating apparatus; Through heat exchange structure cooling mediums such as the yellow phosphoric tail gas of the high temperature of yellow phosphorus electric furnace discharging and extraneous cold water are carried out heat exchange; And the hot working fluid after the heat exchange is applied in the hot working fluid use device of hot working fluid capable of using; Can effectively utilize in the electric furnace process phosphorus production process sensible heat, practice thrift heat resource by the yellow phosphoric tail gas that gives off in the yellow phosphorus electric furnace.
Description of drawings
Fig. 1 representes the structural representation of electric furnace process phosphorus production equipment in the prior art;
Fig. 2 representes the structural representation of the utility model electric furnace method yellow phosphorus tail gas sensible heat utilization system.
The specific embodiment
Below in conjunction with accompanying drawing the principle and the characteristic of the utility model are described, institute gives an actual example and only is used to explain the utility model, is not the scope that is used to limit the utility model.
As shown in Figure 1; Electric furnace process phosphorus production process is normally: rock phosphate in powder, silica and coke are put into 1 li of yellow phosphorus electric furnace with granularity by a certain percentage; Issue at the high temperature of more than 1000 degree estrangedly separate, reduction reaction; High temperature furnace slag is directly discharged from yellow phosphorus electric furnace 1, and the high temperature yellow phosphoric tail gas that contains phosphorus steam, stove dirt and corrosive gas obtains product again after dedusting, cooling, rinsing.Electric furnace process phosphorus production equipment comprises: yellow phosphorus electric furnace 1 and the yellow phosphoric tail gas treating apparatus 2 that is used for the yellow phosphoric tail gas of yellow phosphorus electric furnace 1 discharging is carried out dedusting, cooling, rinsing processing.Adopt when electric furnace process phosphorus production equipment is produced in the above-mentioned prior art; The yellow phosphoric tail gas of discharging has the high temperature about 1000 degree from yellow phosphorus electric furnace 1; And the yellow phosphoric tail gas of high temperature directly gets in the yellow phosphoric tail gas treating apparatus 2; Make this part heat resource not be utilized effectively, cause the wasting of resources of yellow phosphoric tail gas sensible heat.
For the sensible heat of high temperature yellow phosphoric tail gas to discharging in the yellow phosphorus electric furnace 1 carries out utilizing effective and reasonablely, the utility model provides a kind of electric furnace method yellow phosphorus tail gas sensible heat utilization system, and as shown in Figure 2, it comprises:
Be used for the heat exchange structure 3 that yellow phosphoric tail gas and extraneous cooling working medium with yellow phosphorus electric furnace 1 discharging carry out heat exchange; Have air inlet, gas outlet, working medium import and sender property outlet; Wherein, Air inlet is communicated with the yellow phosphoric tail gas floss hole of yellow phosphorus electric furnace 1, and the gas outlet is communicated with yellow phosphoric tail gas treating apparatus 2, and the working medium import communicates with extraneous cooling medium; And,
The hot working fluid use device of the hot working fluid after the heat exchange capable of using is communicated with the sender property outlet of heat exchange structure 3.
The utility model electric furnace method yellow phosphorus tail gas sensible heat utilization system is provided with heat exchange structure 3 between yellow phosphorus electric furnace 1 and yellow phosphoric tail gas treating apparatus 2; Through heat exchange structure 3 cooling mediums such as the yellow phosphoric tail gas of the high temperature of yellow phosphorus electric furnace 1 discharging and extraneous cold water are carried out heat exchange; Hot working fluid after the heat exchange utilizes again; Thereby effectively utilize in the electric furnace process phosphorus production process sensible heat, practice thrift heat resource by the yellow phosphoric tail gas that gives off in the yellow phosphorus electric furnace 1.
Disclose a kind of preferred fit mode of heat exchange structure 3 in the present embodiment: the yellow phosphoric tail gas of yellow phosphorus electric furnace 1 discharging enters into yellow phosphoric tail gas treating apparatus 2 through the wireway structure, pre-buried radiation heating-surface in the wireway structure.Adopt the beneficial effect of above-mentioned heat exchange structure 3 to be; Contain etchant gas in the yellow phosphoric tail gas, heat exchange structure 3 is employed in the structure of radiation heating-surface pre-buried in the wireway structure, and yellow phosphoric tail gas is getting into from wireway yellow phosphoric tail gas treating apparatus 2 processes; Extraneous cooling working medium is a hot working fluid through the radiation heating-surface heat exchange; Because radiation heating-surface does not contact with yellow phosphoric tail gas, can effectively avoid corrosion phenomenon that heat exchange structure 3 long service life take place.What certainly can understand is that in practical application, the structure of heat exchange structure 3 can also adopt other forms.
As shown in Figure 2, yellow phosphoric tail gas treating apparatus 2 comprises the dust arrester and the spray cooling device that is used for the yellow phosphoric tail gas of yellow phosphorus electric furnace 1 discharging is carried out rinsing, cooling processing that is used for removing the solid impurity from the yellow phosphoric tail gas of yellow phosphorus electric furnace 1 discharging; Wherein, Dust arrester comprises gravity settling chamber 21 and cyclone separator 22; Spray cooling device comprises one-level water cooling tower 23, secondary water cooling tower 24 and the three grades of water cooling towers 25 that connect successively; According to technological requirement, spray hot water in one-level water cooling tower 23 and the secondary water cooling tower 24, spray cold water in three grades of water cooling towers 25.
The hot working fluid of being discharged by the sender property outlet of heat exchange structure 3 can be used in the multiple hot working fluid use device; In the present embodiment; The hot working fluid use device is the one-level water cooling tower 23 and/or the secondary water cooling tower 24 of spray hot water; As shown in Figure 2, the working medium import of heat exchange structure 3 pumps into cold water through feed pump 6, and its sender property outlet is communicated with the hot water inlet of one-level water cooling tower 23 and/or secondary water cooling tower 24.
Adopt the beneficial effect of technique scheme to be; The utility model electric furnace method yellow phosphorus tail gas sensible heat utilization system utilizes the sensible heat of yellow phosphoric tail gas that extraneous cold water is heated; The hot water that obtains after the heating directly is used for one-level water cooling tower 23 and/or secondary water cooling tower 24; Replace the mode that hot water passes through electric heating equipment 7 heating in the prior art, realized energy-conservation purpose.
Certainly, in practical application, the hot working fluid use device that is communicated with the sender property outlet of heat exchange structure 3 can be other structures.
Certainly, get into the extraneous cooling working medium that carries out heat exchange in the heat exchange structure 3 and can also be cold air, correspondingly, the sender property outlet of heat exchange structure 3 can also be communicated with the hot working fluid use devices such as waste heat boiler of hot-air capable of using.
In the present embodiment, as shown in Figure 2, between the sender property outlet of heat exchange structure 3 and water cooling tower, can be provided for the storage tank 4 of stored hot water, at the hot water inlet place of one-level water cooling tower 23, secondary water cooling tower 24 control valve 5 can be set respectively.The hot water of discharging through the sender property outlet of heat exchange structure 3 can be introduced into storage in the storage tank 4, sends in one-level water cooling tower 23, the secondary water cooling tower 24 through control valve 5 again.
It more than is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (7)
1. an electric furnace method yellow phosphorus tail gas sensible heat utilization system is characterized in that, comprising:
Be used for the heat exchange structure that yellow phosphoric tail gas and extraneous cooling working medium with yellow phosphorus electric furnace discharging carry out heat exchange; Have air inlet, gas outlet, working medium import and sender property outlet; Said air inlet is communicated with the yellow phosphoric tail gas floss hole; Said gas outlet be used for the yellow phosphoric tail gas treating apparatus that yellow phosphoric tail gas to yellow phosphorus electric furnace discharging carries out dedusting, cooling, rinsing processing and be communicated with, said working medium import communicates with extraneous cooling medium; And,
The hot working fluid use device of the hot working fluid after the heat exchange capable of using is communicated with the sender property outlet of said heat exchange structure.
2. according to the said electric furnace method yellow phosphorus tail gas sensible heat utilization of claim 1 system, it is characterized in that: the yellow phosphoric tail gas floss hole of said yellow phosphorus electric furnace is communicated with through the wireway structure with said yellow phosphoric tail gas treating apparatus; Said heat exchange structure comprises the radiation heating-surface that is arranged in the said wireway structure.
3. according to the said electric furnace method yellow phosphorus tail gas sensible heat utilization of claim 1 system, it is characterized in that said yellow phosphoric tail gas treating apparatus comprises the water cooling tower that is used for the yellow phosphoric tail gas of yellow phosphorus electric furnace discharging is carried out rinsing, cooling processing;
The sender property outlet of said heat exchange structure is communicated with the hot water inlet of said water cooling tower, is used to said water cooling tower hot water is provided.
4. according to the said electric furnace method yellow phosphorus tail gas sensible heat utilization of claim 3 system, it is characterized in that: between the sender property outlet of said heat exchange structure and said water cooling tower, be provided with the storage tank that is used for stored hot water.
5. according to the said electric furnace method yellow phosphorus tail gas sensible heat utilization of claim 3 system; It is characterized in that: said water cooling tower comprises one-level water cooling tower, secondary water cooling tower and the three grades of water cooling towers that connect successively; Wherein, The sender property outlet of said heat exchange structure is communicated with the hot water inlet of said one-level water cooling tower and/or secondary water cooling tower, is used to said one-level water cooling tower and/or secondary water cooling tower hot water is provided.
6. according to the said electric furnace method yellow phosphorus tail gas sensible heat utilization of claim 3 system, it is characterized in that: said yellow phosphoric tail gas treating apparatus also comprises the dust arrester that is arranged between said yellow phosphorus electric furnace and the said water cooling tower.
7. according to the said electric furnace method yellow phosphorus tail gas sensible heat utilization of claim 1 system, it is characterized in that: the working medium import department at said heat exchange structure is provided with feed pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200744732U CN202501756U (en) | 2012-03-01 | 2012-03-01 | Sensible heat utilization system for electric furnace process yellow phosphorus tail gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200744732U CN202501756U (en) | 2012-03-01 | 2012-03-01 | Sensible heat utilization system for electric furnace process yellow phosphorus tail gas |
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| CN202501756U true CN202501756U (en) | 2012-10-24 |
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| CN2012200744732U Expired - Lifetime CN202501756U (en) | 2012-03-01 | 2012-03-01 | Sensible heat utilization system for electric furnace process yellow phosphorus tail gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736288A (en) * | 2014-01-26 | 2014-04-23 | 湖北兴发化工集团股份有限公司 | Method and equipment for treating water vapor of quenching slag of yellow-phosphorus electric furnace |
| CN114644323A (en) * | 2020-12-17 | 2022-06-21 | 中节能工业节能有限公司 | Dust-removing phosphorus-collecting system and dust-removing phosphorus-collecting method |
-
2012
- 2012-03-01 CN CN2012200744732U patent/CN202501756U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736288A (en) * | 2014-01-26 | 2014-04-23 | 湖北兴发化工集团股份有限公司 | Method and equipment for treating water vapor of quenching slag of yellow-phosphorus electric furnace |
| CN103736288B (en) * | 2014-01-26 | 2016-06-29 | 湖北兴发化工集团股份有限公司 | A kind of yellow phosphorus electric furnace is quenched pulp water vapour administering method and equipment |
| CN114644323A (en) * | 2020-12-17 | 2022-06-21 | 中节能工业节能有限公司 | Dust-removing phosphorus-collecting system and dust-removing phosphorus-collecting method |
| CN114644323B (en) * | 2020-12-17 | 2023-11-28 | 中节能工业节能有限公司 | Dust-removing and phosphorus-collecting system and dust-removing and phosphorus-collecting method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Maples International Center, No. 32 Beijing 100082 Haidian District Xizhimen North Street office building B room 906 Patentee after: TOP RESOURCE CONSERVATION & ENVIRONMENT CO., LTD. Address before: Maples International Center, No. 32 Beijing 100082 Haidian District Xizhimen North Street office building B room 906 Patentee before: Top Resource Conservation Engineering Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20121024 |
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| CX01 | Expiry of patent term |