CN204063994U - For the waste heat recovery device of Catalyst Production - Google Patents
For the waste heat recovery device of Catalyst Production Download PDFInfo
- Publication number
- CN204063994U CN204063994U CN201420445288.9U CN201420445288U CN204063994U CN 204063994 U CN204063994 U CN 204063994U CN 201420445288 U CN201420445288 U CN 201420445288U CN 204063994 U CN204063994 U CN 204063994U
- Authority
- CN
- China
- Prior art keywords
- discharge line
- butterfly valve
- motorized adjustment
- adjustment butterfly
- jacketed type
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a kind of waste heat recovery device for Catalyst Production, comprise Residual heat removal pipeline, Residual heat removal pipeline comprises the first discharge line and the second discharge line, one end of second discharge line is provided with pressure transmitter and the first motorized adjustment butterfly valve, heat-insulation layer is provided with outside first discharge line, first discharge line is provided with sewage draining exit, first discharge line is also provided with the first thermocouple and the second motorized adjustment butterfly valve, temperature controller is connected with between first thermocouple and the second motorized adjustment butterfly valve, jacketed type exchanger is provided with outside second discharge line, the outlet of jacketed type exchanger connects vapor heat exchanger and redrying equipment successively by skirt, skirt is provided with pressure sensor and the 3rd motorized adjustment butterfly valve successively along air-flow direction.The utility model reasonably make use of the waste heat of tail gas in Catalyst Production equipment, has saved the energy, has reduced production cost.
Description
Technical field
The utility model relates to Catalyst Production field, particularly relates to the heat recovery technology in Catalyst Production.
Background technology
Ammonium hydrogen sulfate containing gaseous state in the kiln waste gas that SCR produces, carbon dioxide, dust granules, water vapour, nitrogen, other gas componant of oxygen and trace, the ammonium hydrogen sulfate of gaseous state enters in pipeline along with the decline of temperature liquefaction slowly, mobility along with the ammonium hydrogen sulfate of the continuation decline liquid state of temperature is extremely acute to decline, viscosity raises fast, when temperature can stick on pipeline lower than ammonium hydrogen sulfate when 150 DEG C in solid form, the resistance of ducting is caused to increase, for ensureing that the power stage of kiln technique negative-pressure air fan is also along with increase, process pipe is blocked time serious, can only carry out stopping kiln cleaning, great negative effect is had to the continuity of producing, in addition, in production, kiln tail gas can take amount of heat out of, and the redrying equipment in production process needs the heat of at substantial, if can the heat of kiln tail gas be applied to needed for redrying equipment, will greatly save electric energy and production cost.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of waste heat recovery device for Catalyst Production, can guarantee the unimpeded of exhaust emission tube road, and heat production equipment can being discharged again tail gas is rationally recycled.
The technical scheme that the utility model technical solution problem adopts is: for the waste heat recovery device of Catalyst Production, comprise at least one Residual heat removal pipeline, one end of described Residual heat removal pipeline connects the production equipment of catalyst, described Residual heat removal pipeline comprises and the first discharge line of described Catalyst Production equipment connection and the second discharge line of being connected with described first discharge line, one end of described second discharge line connects the outlet of described first discharge line, the other end of described second discharge line is provided with pressure transmitter and the first motorized adjustment butterfly valve, at least twice heat-insulation layer is provided with outside described first discharge line, described first discharge line is provided with at least one pair of sewage draining exit, the first discharge line before described sewage draining exit is also provided with the first thermocouple and the second motorized adjustment butterfly valve, temperature controller is connected with between described first thermocouple and the second motorized adjustment butterfly valve, jacketed type exchanger is provided with outside described second discharge line, described jacketed type exchanger has air intlet, the outlet of described jacketed type exchanger connects vapor heat exchanger and redrying equipment successively by skirt, described skirt is provided with pressure sensor and the 3rd motorized adjustment butterfly valve successively along air-flow direction.
While employing technique scheme, the utility model can also adopt or combine and adopt following further technical scheme:
Described Residual heat removal pipeline is three, and described three Residual heat removal pipelines are respectively equipped with jacketed type exchanger, and described jacketed type exchanger is by connecting described vapor heat exchanger and described redrying equipment successively by same skirt.
The beneficial effects of the utility model are: the utility model is first according to the physical characteristic (fusing point 147 DEG C of ammonium hydrogen sulfate in SCR production, boiling point 350 DEG C, time liquid temperature more low viscosity is larger) Appropriate application temperature, the first half section of Residual heat removal pipeline is designed the discharge section (the first discharge line) of ammonium hydrogen sulfate, ammonium hydrogen sulfate is made to be convenient to cleaning at desired location with the liquefaction of mobility good form, prevent blocking pipe from causing tail gas discharge obstructed even needs to stop kiln cleaning, improve production efficiency, reduce production cost; Simultaneously, the utility model is also by the mode of cold air at pipe surface indirect heat exchange, the second half section of Residual heat removal pipeline arranges jacketed type exchanger, utilize the heat producing tail gas in Residual heat removal pipeline, the cold air passing into jacketed type exchanger is become hot-air, and control the temperature after heat exchange by the cooperation of thermocouple and motorized adjustment butterfly valve, to adapt to the demand of redrying equipment, reasonably make use of the waste heat of tail gas in Catalyst Production equipment, save the energy, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of embodiment 1.
Fig. 2 is the overall structure schematic diagram of embodiment 2.
Number in the figure: 1-Residual heat removal pipeline, 2-first discharge line, 3-second discharge line, 4-pressure transmitter, 5-first motorized adjustment butterfly valve, 6-sewage draining exit, 7-first thermocouple, 8-second motorized adjustment butterfly valve, 9-temperature controller, 10-jacketed type exchanger, 11-air intlet, 12-skirt, 13-vapor heat exchanger, 14-redrying equipment, 15-pressure sensor, 16-the 3rd motorized adjustment butterfly valve.
Detailed description of the invention
Embodiment 1, with reference to accompanying drawing 1.
Waste heat recovery device of the present utility model comprises Residual heat removal pipeline 1, Residual heat removal pipeline 1 comprises the first discharge line 2 and the second discharge line 3, first discharge line 2 is connected with the offgas outlet of Catalyst Production equipment, one end of second discharge line 3 connects the outlet of the first discharge line 2, the other end is provided with pressure transmitter 4 and the first motorized adjustment butterfly valve 5, pressure transmitter 4 can show the pressure in Residual heat removal pipeline 1, the gas flow in Residual heat removal pipeline 1 can be adjusted by adjustment first motorized adjustment butterfly valve 5 when pressure increase, thus guarantee that the pressure in Residual heat removal pipeline 1 is in normal condition.
First discharge line 2 is outer is at least provided with twice heat-insulation layer, heat-insulation layer can be common cladded type insulation material, guarantee that the tail gas heat quantity of the first discharge line 2 part runs off less, first discharge line 2 is provided with at least one pair of sewage draining exit 6, the first discharge line 2 before sewage draining exit 6 is also provided with the first thermocouple 7 and the second motorized adjustment butterfly valve 8, first thermocouple 7 is for measuring the temperature in the first discharge line 2, temperature controller 9 is connected with between first thermocouple 7 and the second motorized adjustment butterfly valve 8, for controlling the exhaust temperature in the first discharge line 2, as a rule, optimum temperature in first discharge line 2 should maintain 300-320 DEG C, at this temperature, ammonium hydrogen sulfate in tail gas is in liquid state, can flow in the first discharge line 2, and viscosity is little, good fluidity, be beneficial to discharge, a pair sewage draining exit 6 is arranged one on the other, liquid ammonium hydrogen sulfate can be flowed out by the sewage draining exit of below, the sewage draining exit of top may be used for the filth-discharging effect in inspection first discharge line 2, labor cleaning can also be carried out by the sewage draining exit of top, sewage draining exit 6 can be different according to output, the amount difference of the ammonium hydrogen sulfate of discharging in tail gas is set up in couples.
Jacketed type exchanger 10 is provided with outside second discharge line 3, jacketed type exchanger 10 has air intlet 11, cold air enters jacketed type exchanger from air intlet 11 and carries out heat exchange, the outlet of jacketed type exchanger 10 connects vapor heat exchanger 13 and redrying equipment 14 successively by skirt 12, and skirt 12 is provided with pressure sensor 15 and the 3rd motorized adjustment butterfly valve 16 successively along air-flow direction.Pressure sensor 15 is for testing the air pressure in skirt 12, prevent pressure excessive and damage vapor heat exchanger 13, turn the 3rd motorized adjustment butterfly valve 16 when pressure is excessive down, the heat provided by Residual heat removal pipeline 1 and vapor heat exchanger 13 and steam are for the dry run of redrying equipment 14.
Embodiment 2, with reference to accompanying drawing 2.
In the present embodiment, Residual heat removal pipeline 1 has three, draw from three Catalyst Production equipment respectively, article three, Residual heat removal pipeline 1 all have the first discharge line 2 and the second discharge line 3, second discharge line 3 arranges jacketed type exchanger 10, the outlet of three jacketed type exchangers 10 connects vapor heat exchanger 13 and redrying equipment 14 by same skirt 12, and other embodiments of the present embodiment are identical with embodiment 1.
Annual value of production is 6000m
3catalyst Production line, usually there are three Catalyst Production equipment, the dry every day of redrying equipment 14 needs heat to be about 26177000K, steam is about 9.5T, steam price is with 210 yuan/ton, calculated according to annual 330 days, the cost of annual redrying is 658350 yuan, and waste heat recovery device of the present utility model about produces the heat of 3346200kj every day, enough supplying secondary drying equipments use, that is, utilize waste heat recovery device of the present utility model, 658350 yuan can be saved production cost every year.
Claims (2)
1. for the waste heat recovery device of Catalyst Production, comprise at least one Residual heat removal pipeline, one end of described Residual heat removal pipeline connects the production equipment of catalyst, it is characterized in that: described Residual heat removal pipeline comprises and the first discharge line of described Catalyst Production equipment connection and the second discharge line of being connected with described first discharge line, one end of described second discharge line connects the outlet of described first discharge line, the other end of described second discharge line is provided with pressure transmitter and the first motorized adjustment butterfly valve, at least twice heat-insulation layer is provided with outside described first discharge line, described first discharge line is provided with at least one pair of sewage draining exit, the first discharge line before described sewage draining exit is also provided with the first thermocouple and the second motorized adjustment butterfly valve, temperature controller is connected with between described first thermocouple and the second motorized adjustment butterfly valve, jacketed type exchanger is provided with outside described second discharge line, described jacketed type exchanger has air intlet, the outlet of described jacketed type exchanger connects vapor heat exchanger and redrying equipment successively by skirt, described skirt is provided with pressure sensor and the 3rd motorized adjustment butterfly valve successively along air-flow direction.
2. as claimed in claim 1 for the waste heat recovery device of Catalyst Production, it is characterized in that: described Residual heat removal pipeline is three, described three Residual heat removal pipelines are respectively equipped with jacketed type exchanger, and described jacketed type exchanger is by connecting described vapor heat exchanger and described redrying equipment successively by same skirt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445288.9U CN204063994U (en) | 2014-08-07 | 2014-08-07 | For the waste heat recovery device of Catalyst Production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445288.9U CN204063994U (en) | 2014-08-07 | 2014-08-07 | For the waste heat recovery device of Catalyst Production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204063994U true CN204063994U (en) | 2014-12-31 |
Family
ID=52205486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420445288.9U Expired - Fee Related CN204063994U (en) | 2014-08-07 | 2014-08-07 | For the waste heat recovery device of Catalyst Production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204063994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105688778A (en) * | 2016-03-29 | 2016-06-22 | 常州市先导干燥设备有限公司 | Closed-cycle high-temperature airflow reaction device |
-
2014
- 2014-08-07 CN CN201420445288.9U patent/CN204063994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105688778A (en) * | 2016-03-29 | 2016-06-22 | 常州市先导干燥设备有限公司 | Closed-cycle high-temperature airflow reaction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 311225, No. two, No. 1111, Qingxi Road, Jiangdong Industrial Park, Zhejiang, Hangzhou Patentee after: ZHEJIANG GUANGHAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 311225, No. two, No. 1111, Qingxi Road, Jiangdong Industrial Park, Zhejiang, Hangzhou Patentee before: HANGZHOU GUANGHAN ENERGY TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20210807 |