CN202734581U - Quenching furnace waste heat recycling system - Google Patents
Quenching furnace waste heat recycling system Download PDFInfo
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- CN202734581U CN202734581U CN2012203920454U CN201220392045U CN202734581U CN 202734581 U CN202734581 U CN 202734581U CN 2012203920454 U CN2012203920454 U CN 2012203920454U CN 201220392045 U CN201220392045 U CN 201220392045U CN 202734581 U CN202734581 U CN 202734581U
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- temperature oil
- high temperature
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- attemperater
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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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Abstract
The utility model relates to a quenching furnace waste heat recycling system which comprises a prefilter arranged in a quenching furnace high temperature oil groove. Pumped high temperature oil can pass through the prefilter to be sent to a heat exchange device through a pipeline and a high temperature oil pump assembly. The heat exchange device can send low temperature oil back to the quenching furnace high temperature oil groove through a low temperature oil pipeline. Simultaneously, an external water source sequentially passes through a first stop valve, a filter scale inhibition assembly, a first electromagnetic valve, a second stop valve, a first one-way valve and a circulation pump assembly to reach into the heat exchange device to exchange heat. The system is provided with a programmable logic controller (PLC) controller, the PLC controller is in data connection with temperature sensors arranged on the heat exchange device and a thermal insulation water tank, and the PLC controller can control all electromagnetic valve to open and close. High temperature oil of the high temperature oil groove can be guided to reach to the heat exchange through a plurality of valve sets, so that heat exchange between high temperature oil and external water is achieved and simultaneously water in the thermal water tank can be insulated.
Description
Technical field
The utility model relates to the corollary equipment of glowing furnace, and especially a kind of glowing furnace waste heat recovery is
System
Background technology
In the high temperature oil groove in the glowing furnace a large amount of heats is arranged, but this heat all is to cool away in vain and be not used usually, the waste of indirect a large amount of heat energy, be converted to hot water supply if this heat can be used, such equipment can rationally use the suitable environmental protection of heat.
Summary of the invention
The purpose of this utility model is, provides a kind of glowing furnace waste heat recovery to be
System
The technical scheme that the technical problem that proposes in the utility model solution background technology adopts is:
A kind of glowing furnace residual neat recovering system, it is characterized in that: native system comprises the prefilter that is arranged in the glowing furnace high temperature oil groove, the high temperature oil that extracts is passed to heat-exchanger rig by pipeline and high temperature oil pump assembly again through prefilter, described heat-exchanger rig is sent low temperature oil back to quenching road high temperature oil groove by the low temperature oil-piping, external water source is successively by the first stop valve simultaneously, filter the scale inhibition assembly, the first magnetic valve, the second stop valve, the first check valve and water circulating pump assembly arrive in the heat-exchanger rig and carry out heat exchange, described heat-exchanger rig by output channel 26 with delivery to attemperater, attemperater is provided with the warm water delivery outlet, be provided with liquid-level switch and the first temperature sensor in the described attemperater, the water at low temperature output of described attemperater is connected with the input of water circulating pump assembly by the second magnetic valve, native system is provided with a PLC controller and is arranged on temperature sensor and the liquid-level switch data that heat-exchanger rig is connected with attemperater and is connected, and described PLC controller is controlled each electromagnetic valve switch.
Described high temperature oil pump assembly comprises the 3rd stop valve, accurate filter, oil pump, the second check valve and the 4th stop valve successively, and described water circulating pump assembly comprises the 5th stop valve, water circulating pump, the 3rd check valve, the 6th stop valve successively.
Described filtration scale inhibition assembly comprises pipe line filter and antisludging equipment successively.
The described TEMP implement body that is arranged on heat-exchanger rig comprises the second temperature sensor that is arranged on the heat-exchanger rig output end of hot water and the three-temperature sensor that is arranged on high temperature oil pump assembly output.
After adopting the technical solution of the utility model: by the guiding to the high temperature oil of high temperature oil groove, make it pass through several valve groups and arrive heat exchanger, realized heat exchange, then with the delivery after the heat exchange to attemperater, its external water source-heat exchanger-attemperater has consisted of first a large secondary water Heating Cyclic, attemperater-heat exchanger-attemperater has consisted of again a partial circulating that the water in the attemperater is heated once again simultaneously, perfection has realized high temperature oil and secondary water are carried out heat exchange, and the process that again water in the attemperater is incubated simultaneously.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Principle design of the present utility model: the high temperature oil in the high temperature oil groove can be arrived heat exchanger by several valve groups, realized heat exchange, then with the delivery after the heat exchange to attemperater, its external water source-heat exchanger-attemperater has consisted of first a large secondary water Heating Cyclic, attemperater-heat exchanger-attemperater has consisted of again a partial circulating that the water in the attemperater is heated once again simultaneously, perfection has realized high temperature oil and secondary water are carried out heat exchange, and again the water in the attemperater is incubated simultaneously.
In order to realize the above-mentioned design that proposes, the utility model adopts following technical scheme:
Embodiment 1
A kind of glowing furnace residual neat recovering system, comprise the prefilter 2 that is arranged in the glowing furnace high temperature oil groove, the high temperature oil that extracts is passed to heat-exchanger rig by pipeline 3 and high temperature oil pump assembly again through prefilter, described heat-exchanger rig is sent low temperature oil back to quenching road high temperature oil groove by the low temperature oil-piping, external water source is successively by the first stop valve 12 simultaneously, filter the scale inhibition assembly, the first magnetic valve 15, the second stop valve 16, the first check valve 17 and water circulating pump assembly arrive in the heat-exchanger rig and carry out heat exchange, described heat-exchanger rig by output channel 26 with delivery to attemperater, attemperater is provided with the warm water delivery outlet, be provided with liquid-level switch and the first temperature sensor 29 in the attemperater, the water at low temperature output of attemperater is connected with the input of water circulating pump assembly by the second magnetic valve, native system is provided with a PLC controller and is arranged on temperature sensor and the liquid-level switch data that heat-exchanger rig is connected with attemperater and is connected, and the PLC controller is controlled each electromagnetic valve switch.
Concrete assembly is constructed as follows in detail, the high temperature oil pump assembly comprises the 3rd stop valve 4, accurate filter 5, oil pump 6, the second check valve 7 and the 4th stop valve 8 successively, and the water circulating pump assembly comprises the 5th stop valve 20, water circulating pump 21, the 3rd check valve 22, the 6th stop valve 23 successively; Filter the scale inhibition assembly and comprise successively pipe line filter 13 and antisludging equipment 14; The TEMP implement body that is arranged on heat-exchanger rig comprises the second temperature sensor 25 that is arranged on the heat-exchanger rig output end of hot water and the three-temperature sensor 9 that is arranged on high temperature oil pump assembly output.
Said technical scheme at first flows to heat-exchanger rig by pipeline and high temperature oil pump assembly with high temperature oil by the high temperature oil groove then, high temperature oil pump assembly output is provided with three-temperature sensor the high temperature oil temperature of inputting is detected, after the high temperature oil heat exchange is complete, low temperature oil after the conversion sends back to the high temperature oil groove by the low temperature oil-piping, the heat-exchanger rig output end of hot water is provided with the second temperature sensor, namely the hot water after the heat exchange is carried out temperature detection, hot water is to be formed after scale inhibition assembly and water circulating pump assembly reach the heat-exchanger rig heat exchange by filtering successively by secondary water, delivery is in the attemperater, here just consisted of a systemic circulation, if simultaneously because the long-term obsolete words of water in the attemperater, its temperature also can descend so, then in attemperater, be provided with liquid-level switch and the first temperature sensor 29, if water temperature drops to rated value, then warm water can arrive in the heat exchange equipment by the water circulating pump assembly and heat, and has realized the process of partial circulating.
In order to realize the technical solution of the utility model, the utility model provides again a kind of control method for control glowing furnace residual neat recovering system, it is characterized in that simultaneously:
Step 1 is opened native system, starts oil pump 6, makes it from oil groove 1 interior extracting high-temperature deep fat, filters via prefilter 2 first, then successively through piping 3, stop valve 4, accurate filter 5, oil pump 6, enter heat exchanger 10 through check valve 7, stop valve 8 again;
Step 2, while ON cycle water pump 21, external water source carries out water treatment, passes through magnetic valve 15, stop valve 16, check valve 17, pipeline 18, stop valve 20, water circulating pump 21, check valve 22, stop valve 23, pipeline 24 to heat exchanger 10 again by stop valve 12 pipe line filters 13, process antisludging equipment 14;
Step 3, external water source carries out degree of depth heat exchange by high temperature oil in heat-exchanger rig, and after the temperature at the external water source of temperature sensor 25 detections rose to rated temperature, the control of PLC controller flowed to attemperater with external water source by pipeline 26;
Step 4, the low temperature oil after the heat exchange comes back in the oil groove 1 by pipeline 11 in heat-exchanger rig;
Step 5, water temperature is lower than 45 ℃ in the attemperater 28 when temperature sensor 29 detects, liquid-level switch 27 detects in the water tank water level and reaches 30% when above, the PLC controller obtains signal, then 15 actions of PLC controller control magnetic valve are closed, and the stop supplies of external water source is opened in magnetic valve 19 actions, water system carries out inner loop via magnetic valve 19, until with the attemperater water temp. heating to rated temperature;
Step 6, the hot water in the attemperater are delivered to by stop valve 30 and use water spot.
This control program, whole process is controlled by controller, realizes the formation of automated system.
Claims (4)
1. glowing furnace residual neat recovering system, it is characterized in that: native system comprises the prefilter (2) that is arranged in the glowing furnace high temperature oil groove, the high temperature oil that extracts is passed to heat-exchanger rig by pipeline (3) and high temperature oil pump assembly again through prefilter, described heat-exchanger rig is sent low temperature oil back to quenching road high temperature oil groove by the low temperature oil-piping, external water source is successively by the first stop valve (12) simultaneously, filter the scale inhibition assembly, the first magnetic valve (15), the second stop valve (16), the first check valve (17) and water circulating pump assembly arrive in the heat-exchanger rig and carry out heat exchange, described heat-exchanger rig by output channel (26) with delivery to attemperater, attemperater is provided with the warm water delivery outlet, be provided with liquid-level switch and the first temperature sensor (29) in the described attemperater, the water at low temperature output of described attemperater is connected with the input of water circulating pump assembly by the second magnetic valve, native system is provided with a PLC controller and is arranged on temperature sensor and the liquid-level switch data that heat-exchanger rig is connected with attemperater and is connected, and described PLC controller is controlled each electromagnetic valve switch.
2. a kind of glowing furnace residual neat recovering system according to claim 1, it is characterized in that: described high temperature oil pump assembly comprises the 3rd stop valve (4), accurate filter (5), oil pump (6), the second check valve (7) and the 4th stop valve (8) successively, and described water circulating pump assembly comprises the 5th stop valve (20), water circulating pump (21), the 3rd check valve (22), the 6th stop valve (23) successively.
3. a kind of glowing furnace residual neat recovering system according to claim 1 and 2, it is characterized in that: described filtration scale inhibition assembly comprises pipe line filter (13) and antisludging equipment (14) successively.
4. a kind of glowing furnace residual neat recovering system according to claim 1 and 2, it is characterized in that: the described TEMP implement body that is arranged on heat-exchanger rig comprises the second temperature sensor (25) that is arranged on the heat-exchanger rig output end of hot water and the three-temperature sensor (9) that is arranged on high temperature oil pump assembly output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203920454U CN202734581U (en) | 2012-08-08 | 2012-08-08 | Quenching furnace waste heat recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203920454U CN202734581U (en) | 2012-08-08 | 2012-08-08 | Quenching furnace waste heat recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202734581U true CN202734581U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203920454U Expired - Lifetime CN202734581U (en) | 2012-08-08 | 2012-08-08 | Quenching furnace waste heat recycling system |
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| Country | Link |
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| CN (1) | CN202734581U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767968A (en) * | 2012-08-08 | 2012-11-07 | 沈长青 | Quenching furnace waste heat recovery system and its control method |
| CN104294017A (en) * | 2014-09-10 | 2015-01-21 | 浙江长兴正达电炉制造有限公司 | Continuous mesh belt quenching furnace capable of recovering waste heat |
-
2012
- 2012-08-08 CN CN2012203920454U patent/CN202734581U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767968A (en) * | 2012-08-08 | 2012-11-07 | 沈长青 | Quenching furnace waste heat recovery system and its control method |
| CN102767968B (en) * | 2012-08-08 | 2014-11-05 | 沈长青 | Quenching furnace waste heat recovery system and its control method |
| CN104294017A (en) * | 2014-09-10 | 2015-01-21 | 浙江长兴正达电炉制造有限公司 | Continuous mesh belt quenching furnace capable of recovering waste heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130213 Effective date of abandoning: 20141105 |
|
| RGAV | Abandon patent right to avoid regrant |