CN202304047U - Device for recycling heat energy of pre-degreasing waste water - Google Patents
Device for recycling heat energy of pre-degreasing waste water Download PDFInfo
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- CN202304047U CN202304047U CN2011203812332U CN201120381233U CN202304047U CN 202304047 U CN202304047 U CN 202304047U CN 2011203812332 U CN2011203812332 U CN 2011203812332U CN 201120381233 U CN201120381233 U CN 201120381233U CN 202304047 U CN202304047 U CN 202304047U
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- waste water
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- degreasing
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Abstract
The utility model discloses a device for recycling the heat energy of pre-degreasing waste water. The device comprises an output pump, a circulating pump, a heat exchanger and a heat-preserving water tank, wherein an inlet of the output pump is connected with a pre-degreasing groove through a one-way valve A, and an outlet of the output pump is connected with a one-way valve B; two pipelines are arranged at the outlet of the one-way valve B, one of the pipelines is connected with a connecting port of the heat-preserving water tank through a two-way valve, and the other pipeline is connected with the inlet of the circulating pump through a one-way valve C; the outlet of the circulating pump is connected with a pre-degreasing waste water circulating inlet of the heat exchanger; a pre-degreasing waste water circulating outlet of the heat exchanger is connected with the heat-preserving water tank; a heat energy exchange recovery inlet of the heat exchanger is connected with a clean water valve; a heat energy exchange recovery outlet of the heat exchanger is connected with the pre-degreasing groove through a one-way valve D; and a sewage drain valve is arranged at the bottom of the heat-preserving water tank. By adoption of the technical scheme, heat in waste water which is periodically exhausted by the pre-degreasing groove is utilized, wherein the temperature of the waste water is 55 to 60 DEG C, and the aims of saving energy and reducing consumption are fulfilled.
Description
Technical field
The utility model relates to the energy recovery technical field, the preparatory degreasing waste water heat energy recycle device in especially a kind of automobile production coating process.
Background technology
In the automobile production coating process pretreatment stage, the temperature of Degreasing Area Stage 1 cycle waste discharge is between 55 degrees centigrade to 60 degrees centigrade, and this part heat is not used and directly emits, and is unfavorable for energy-saving and emission-reduction.
Chinese patent document (the day for announcing: on June 30th, 2010; Notification number: CN201517868U) disclose a kind of energy recovery treating apparatus; Comprise coarse filter and plate type heat exchanger; Rotating disc type filter and accurate filter are housed after coarse filter, and accurate filter is connected to plate type heat exchanger through heat-exchanger pump; Be provided with hot clear water outlet on the top of plate type heat exchanger, this hot clear water outlet is connected to hot water and uses equipment and hot clear water reserve tank; Be connected with cold clear water in the bottom of plate type heat exchanger and get into pipe and bilge discharge pipe.Technique scheme mainly is that the heat energy in a large amount of elevated temperature heat waste water that produce in the production process is recycled, and the recovery problem of low temperature heat energy in not having to solve, the technique scheme complex structure is recycled the cost height simultaneously.
The utility model content
The utility model technical problem to be solved is to provide a kind of preparatory degreasing waste water heat energy recycle device, the energy recovery of waste water in the paint line pre-treatment Degreasing Area Stage 1 is utilized again, to reach energy saving purposes.
The technical scheme that the utility model solves the problems of the technologies described above employing is: a kind of preparatory degreasing waste water heat energy recycle device; Comprise rear pump, circulating pump, heat exchanger and attemperater; The import of described rear pump is connected with Degreasing Area Stage 1 through the A check valve; The output delivery side of pump is connected with the B check valve, and the outlet of B check valve is provided with two pipelines, and wherein a pipeline links to each other with the connector of attemperater through two-way valve; An other pipeline is connected with inlet of circulating pump through the C check valve; Outlet of circulating pump is connected with the preparatory degreasing waste water of heat exchanger circulation import, and the preparatory degreasing waste water of heat exchanger loop exit links to each other with attemperater, and described heat exchanger heat energy exchange is reclaimed import and is connected with purge valve; The exchange of heat exchanger heat energy is reclaimed outlet and is connected with degreasing bath through the D check valve, and the bottom of described attemperater is provided with blowoff valve.Produce in the coating process pretreatment stage; Waste water in the Degreasing Area Stage 1 is stored in the attemperater through rear pump; Close the A check valve of rear pump import and the B check valve of outlet,, utilize circulating pump that the spent hot water in the attemperater is circulated and constantly pass through heat exchanger through two-way valve and C check valve; Open the exchange of heat exchanger heat energy simultaneously and reclaim the purge valve of import and the D check valve of outlet; Enter in the degreasing bath after letting clear water heat and recycle, accomplish the using energy source maximization, reduce cost.
As preferably, also comprise filter, described filter is arranged on the pipeline between output delivery side of pump and the B check valve inlet.Owing to contain certain waste residue in the degreasing waste water in advance, before heat exchange, add filter, and regularly clean the heat exchanger internal duct, help prolonging the service life of whole device.
As preferably, attemperater is provided with heat-insulation layer.Heat-insulation layer is set can be recycled preparatory degreasing waste water heat energy to greatest extent.
The beneficial effect of the utility model is: through technique scheme; Can be with producing in the coating process pretreatment stage; Heat in the waste water of temperature between 55 degrees centigrade to 60 degrees centigrade of Degreasing Area Stage 1 cycle discharging makes full use of; Reach energy saving purposes, and waste water heat energy recycle apparatus structure is simple in the present technique scheme, cost is low.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model embodiment 1.
Fig. 2 is a kind of structural representation of the utility model embodiment 2.
Among the figure, 1, Degreasing Area Stage 1,2, rear pump, 3, circulating pump, 4, heat exchanger, 5, attemperater, 6, degreasing bath, 7, filter, 8, the A check valve, 9, two-way valve, 10, purge valve, 11, blowoff valve, 12, the B check valve, 13, the C check valve, 14, the D check valve.
The specific embodiment
Below through specific embodiment,, the technical scheme of the utility model is further specified in conjunction with accompanying drawing.
Embodiment 1: in Fig. 1; A kind of preparatory degreasing waste water heat energy recycle device comprises rear pump 2, circulating pump 3, heat exchanger 4 and attemperater 5, and the import of described rear pump 2 is connected with Degreasing Area Stage 11 through A check valve 8; The outlet of rear pump 2 is connected with B check valve 12; The outlet of B check valve 12 is provided with two pipelines, and wherein a pipeline links to each other with the connector of attemperater 5 through two-way valve 9, and an other pipeline is connected through the import of C check valve 13 with circulating pump 3; The outlet of circulating pump 3 is connected with heat exchanger 4 preparatory degreasing waste water circulation imports; Heat exchanger 4 preparatory degreasing waste water loop exits link to each other with attemperater 5, and described heat exchanger 4 thermal energy exchange reclaim import and are connected with purge valve 10, and heat exchanger 4 thermal energy exchange reclaim outlet and are connected with degreasing bath 6 through D check valve 14; The bottom of described attemperater 5 is provided with blowoff valve 11, and attemperater 5 is provided with heat-insulation layer.
Embodiment 2: in Fig. 2; A kind of preparatory degreasing waste water heat energy recycle device comprises rear pump 2, circulating pump 3, heat exchanger 4 and attemperater 5, also comprises filter 7; The import of described rear pump 2 is connected with Degreasing Area Stage 11 through A check valve 8; The outlet of rear pump 2 is connected with B check valve 12, and the outlet of B check valve 12 is provided with two pipelines, and wherein a pipeline links to each other with the connector of attemperater 5 through two-way valve 9; An other pipeline is connected through the import of C check valve 13 with circulating pump 3; The outlet of circulating pump 3 is connected with heat exchanger 4 preparatory degreasing waste water circulation imports, and heat exchanger 4 preparatory degreasing waste water loop exits link to each other with attemperater 5, and described heat exchanger 4 thermal energy exchange reclaim import and are connected with purge valve 10; Heat exchanger 4 thermal energy exchange reclaim outlet and are connected with degreasing bath 6 through D check valve 14; The bottom of described attemperater 5 is provided with blowoff valve 11, and attemperater 5 is provided with heat-insulation layer, and described filter 7 is arranged in the outlet and the pipeline between 12 imports of B check valve of rear pump 2.
Operation principle: in the coating process pretreatment stage; Open the A check valve 8 of Degreasing Area Stage 11 outlet, the B check valve 12 and the two-way valve 9 of rear pump 2 outlets; The spent hot water of temperature between 55 degrees centigrade to 60 degrees centigrade with the discharging of 1 cycle of Degreasing Area Stage 1; Directly the spent hot water is pumped into attemperater 5 through rear pump 2; Close the A check valve 8 of Degreasing Area Stage 11 outlet and the B check valve 12 of rear pump 2 outlets, open the C check valve 13 that links to each other with the import of circulating pump 3, open heat exchanger 4 thermal energy exchange simultaneously and reclaim the purge valve 10 of import and the D check valve 14 of outlet; Constantly the spent hot water in the attemperater 5 is passed through heat exchanger 4 through circulating pump 3 circulations, be discharged in the degreasing bath 6 after the circulation spent hot water heats clear water and recycle.Certainly,, can let the spent hot water pass through filter 7 earlier, the spent hot water removed the gred, and then be stored in the attemperater 5, can prolong the service life of whole device like this in order to remove the waste residue among the spent hot water.When the spent hot water in the attemperater 5 is recycled to can not utilize the time again, open the blowoff valve 11 that attemperater 5 bottoms are provided with, discharge of wastewater is fallen.
Claims (3)
1. preparatory degreasing waste water heat energy recycle device; It is characterized in that comprising rear pump (2), circulating pump (3), heat exchanger (4) and attemperater (5); The import of described rear pump (2) is connected with Degreasing Area Stage 1 (1) through A check valve (8); The outlet of rear pump (2) is connected with B check valve (12); The outlet of B check valve (12) is provided with two pipelines; Wherein a pipeline links to each other with the connector of attemperater (5) through two-way valve (9), and an other pipeline is connected through the import of C check valve (13) with circulating pump (3), and the outlet of circulating pump (3) is connected with the preparatory degreasing waste water circulation import of heat exchanger (4); Heat exchanger (4) degreasing waste water loop exit in advance links to each other with attemperater (5); Described heat exchanger (4) thermal energy exchange reclaims import and is connected with purge valve (10), and heat exchanger (4) thermal energy exchange reclaims outlet and is connected with degreasing bath (6) through D check valve (14), and the bottom of described attemperater (5) is provided with blowoff valve (11).
2. a kind of preparatory degreasing waste water heat energy recycle device according to claim 1 is characterized in that also comprising filter (7), and described filter (7) is arranged in the outlet and the pipeline between B check valve (12) import of rear pump (2).
3. a kind of preparatory degreasing waste water heat energy recycle device according to claim 1 and 2 is characterized in that attemperater (5) is provided with heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203812332U CN202304047U (en) | 2011-10-10 | 2011-10-10 | Device for recycling heat energy of pre-degreasing waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203812332U CN202304047U (en) | 2011-10-10 | 2011-10-10 | Device for recycling heat energy of pre-degreasing waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202304047U true CN202304047U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203812332U Expired - Fee Related CN202304047U (en) | 2011-10-10 | 2011-10-10 | Device for recycling heat energy of pre-degreasing waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202304047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539770A (en) * | 2018-12-28 | 2019-03-29 | 太仓联洲机械设备有限公司 | A kind of baking oven Waste Heat Recovery System |
-
2011
- 2011-10-10 CN CN2011203812332U patent/CN202304047U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539770A (en) * | 2018-12-28 | 2019-03-29 | 太仓联洲机械设备有限公司 | A kind of baking oven Waste Heat Recovery System |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20131010 |