CN214120068U - Heat exchange device for sewage heat exchange process - Google Patents
Heat exchange device for sewage heat exchange process Download PDFInfo
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- CN214120068U CN214120068U CN202023118334.9U CN202023118334U CN214120068U CN 214120068 U CN214120068 U CN 214120068U CN 202023118334 U CN202023118334 U CN 202023118334U CN 214120068 U CN214120068 U CN 214120068U
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Abstract
The utility model discloses a heat transfer device of sewage heat transfer process, it includes the heat exchanger, the scale removal device, the heat exchanger is arranged in the flue of burning furnace, the fixed sediment fill that connects that is equipped with on the flue below the heat exchanger, the heat exchanger includes the inlet tube, the outlet pipe, a plurality of parallel arrangement's heat transfer unit, the entry end of inlet tube runs through the outer wall of flue and is connected with the export pipeline of flocculation and precipitation process, the other end of inlet tube is sealed, the exit end of outlet pipe runs through the outer wall of flue and is connected with the entry pipeline of crystallization process, the other end of outlet pipe is sealed, be equipped with a plurality of parallel arrangement's heat transfer unit between inlet tube and outlet pipe, the entry and the inlet tube intercommunication of heat transfer unit, the export and the outlet pipe intercommunication of heat transfer unit, be equipped with a plurality of scale removal devices between two sets of tubulation of heat transfer unit; the advantages are that: strong adaptability, convenient transportation, simple structure and convenient adjustment.
Description
The technical field is as follows:
the utility model relates to an industrial sewage treatment and resourceful technical field, concretely relates to heat transfer device of sewage heat transfer process.
Background art:
the sewage treatment process comprises an iron-carbon micro-electrolysis process, a pre-freezing process, a Fenton reaction process, an activated carbon adsorption process, a flocculation precipitation process, a heat exchange process, a crystallization process and an incineration process, wherein the heat exchange process is to heat the sewage to a temperature required by the crystallization process, so that the working efficiency of the crystallization process is improved; in the existing sewage heat exchange process, a tubular heat exchanger is used for exchanging heat for sewage through hot water, after the hot water is repeatedly heated by a heating device, the water quality can be reduced, calcium ions in the water cause the tube walls of the tubular heat exchanger to be scaled, the heat exchange effect of the heat exchanger is influenced, and meanwhile, a large amount of energy can be lost when the heating device heats the water; in addition, in the process of burning and purifying organic matters in the crystallized salt by the incinerator in the burning process, discharged high-temperature flue gas is discharged to the air after being dedusted by the deduster, and a large amount of heat is wasted.
The utility model has the following contents:
an object of the utility model is to provide a heat transfer device of sewage heat transfer process.
The utility model discloses by following technical scheme implement: the heat exchange device for the sewage heat exchange process comprises a heat exchanger and a descaling device, wherein the heat exchanger is arranged in a flue of the incinerator, a slag receiving hopper is fixedly arranged on the flue below the heat exchanger, the heat exchanger comprises a water inlet pipe, a water outlet pipe and a plurality of heat exchange units which are arranged in parallel, the inlet end of the water inlet pipe penetrates through the outer wall of the flue and is connected with an outlet pipeline of the flocculation precipitation procedure, the other end of the water inlet pipe is sealed, the outlet end of the water outlet pipe penetrates through the outer wall of the flue and is connected with an inlet pipeline of a crystallization process, the other end of the water outlet pipe is sealed, a plurality of heat exchange units which are arranged in parallel are arranged between the water inlet pipe and the water outlet pipe, the inlets of the heat exchange units are communicated with the water inlet pipe, the outlet of the heat exchange unit is communicated with the water outlet pipe, and a plurality of descaling devices are arranged between the two sets of tube arrays of the heat exchange unit.
Further, the heat transfer unit includes first communicating pipe, second communicating pipe, row nest of tubes, first communicating pipe with the second is equipped with relative two sets of that set up between communicating pipe the row nest of tubes, row nest of tubes includes a plurality of parallel arrangement's row pipe, the both ends of row pipe respectively with first communicating pipe the second communicates communicating pipe, the one end of first communicating pipe through first stop valve with the inlet tube intercommunication, the other end seals, the one end of second communicating pipe through the second stop valve with the outlet pipe intercommunication, the other end seals.
Furthermore, the descaling device comprises a force guide rod and a vibrator, one end of the force guide rod penetrates through two groups of the row pipe groups and is respectively connected with each row pipe of the row pipe groups, and the other end of the force guide rod penetrates through the outer wall of the flue and is connected with the vibrator arranged outside the flue.
Furthermore, a first pressure gauge, a first temperature sensor and a flow valve are sequentially arranged on a connecting pipeline between the inlet end of the water inlet pipe and the outlet of the flocculation precipitation process, and a second pressure gauge and a second temperature sensor are sequentially arranged on a connecting pipeline between the outlet end of the water outlet pipe and the inlet of the crystallization process.
Furthermore, a connecting pipeline between the inlet end of the water inlet pipe and the outlet of the flocculation precipitation process is communicated with the outlet of the medicament adding pipeline, the inlet of the medicament adding pipeline is communicated with the outlet of the regulating valve, and the inlet of the regulating valve is communicated with the outlet of the descaling medicine tank.
Furthermore, the outer wall of the heat exchanger is sprayed with a wear-resistant anticorrosive layer.
The utility model has the advantages that: the descaling device has the effects that when the heat exchanger is scaled, the vibrator is started, the force guide rod transmits the vibration force of the vibrator to each tube array of the heat exchanger under the vibration action of the vibrator to descale the inner wall of the tube array, and can assist in removing impurities attached to the outer wall of the heat exchanger in a vibration mode; carry out the heat transfer through the inside sewage of high temperature flue gas to the heat exchanger, make the temperature of sewage rise to the operating condition of crystallization process, saved the loss of the energy, improved the utilization ratio of heat energy, can be according to the requirement of outlet water temperature in the production, combine the temperature of flue gas in the flue, the diameter of flue, open or close corresponding heat transfer unit through first stop valve, second stop valve, strong adaptability, convenient transportation, simple structure, convenient regulation.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of the utility model;
FIG. 2 is a front view of the utility model;
in the figure: the device comprises a heat exchanger 1, a water inlet pipe 1.1, a water outlet pipe 1.2, a flue 2, a heat exchange unit 3, a first communicating pipe 3.1, a second communicating pipe 3.2, a tube array group 3.3, a tube array 3.4, a first stop valve 3.5, a second stop valve 3.6, a descaling device 4, a force guide rod 4.1, a vibrator 4.2, a spring 4.3, a slag receiving hopper 5, a first pressure gauge 6, a first temperature sensor 7, a flow valve 8, a second pressure gauge 9, a second temperature sensor 10, a medicament adding pipeline 11, a regulating valve 12 and a descaling medicine tank 13.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 2, the heat exchange device of the sewage heat exchange process comprises a heat exchanger 1 and a descaling device 4, wherein the heat exchanger 1 is arranged in a flue 2 of an incinerator, a slag receiving hopper 5 is fixedly arranged on the flue 2 below the heat exchanger 1, sewage is introduced into the heat exchanger 1, heat exchange is carried out on the sewage in the heat exchanger 1 through high-temperature flue gas, so that the temperature of the sewage is raised to the working condition of the subsequent process, the energy consumption is saved, the utilization rate of heat energy is improved, the heat exchanger 1 comprises a water inlet pipe 1.1, a water outlet pipe 1.2 and a plurality of heat exchange units 3 arranged in parallel, the inlet end of the water inlet pipe 1.1 penetrates through the outer wall of the flue 2 and is connected with an outlet pipeline of a flocculation precipitation process, the other end of the water inlet pipe 1.1 is sealed, the outlet end of the water outlet pipe 1.2 penetrates through the outer wall of the flue 2 and is connected with an inlet pipeline of a crystallization process, the other end of the water outlet pipe 1.2 is sealed, a plurality of heat exchange units 3 arranged in parallel are arranged between the water inlet pipe 1.1 and the water outlet pipe 1.2, the inlet of the heat exchange unit 3 is communicated with the water inlet pipe 1.1, the outlet of the heat exchange unit 3 is communicated with the water outlet pipe 1.2, the heat exchange unit 3 is connected with the water inlet pipe 1.1 and the water outlet pipe 1.2 through flanges, and a plurality of descaling devices 4 are arranged between two groups of tube arrays 3.3 of the heat exchange unit 3;
the heat exchange unit 3 comprises a first communicating pipe 3.1, a second communicating pipe 3.2 and a tube array 3.3, two sets of tube array 3.3 which are oppositely arranged are arranged between the first communicating pipe 3.1 and the second communicating pipe 3.2, the tube array 3.3 comprises a plurality of parallel tubes 3.4, two ends of the tubes 3.4 are respectively communicated with the first communicating pipe 3.1 and the second communicating pipe 3.2, one end of the first communicating pipe 3.1 is communicated with the water inlet pipe 1.1 through a first stop valve 3.5, one end of the first communicating pipe 3.1 connected with a first stop valve 3.5 is an inlet of the heat exchange unit 3, the other end is closed, one end of the second communicating pipe 3.2 is communicated with the water outlet pipe 1.2 through a second stop valve 3.6, one end of the second communicating pipe 3.2 connected with a second stop valve 3.6 is an outlet of the heat exchange unit 3, the other end is closed, the heat exchange unit 3 can be installed or removed according to the requirement of the temperature of the effluent in the flue 2, or the corresponding heat exchange unit 3 is opened or closed through the first stop valve 3.5 and the second stop valve 3.6, so that the device has strong adaptability, convenient transportation, simple structure and convenient adjustment.
The descaling device 4 comprises a force guide rod 4.1 and a vibrator 4.2, one end of the force guide rod 4.1 is arranged between the two groups of tube arrays 3.3 in a penetrating way and is respectively connected with each tube array 3.4 of the tube array 3.3, the force guide rod 4.1 can be respectively connected with each tube array 3.4 of the tube array 3.3 at two sides through a spring 4.3, the other end of the force guide rod 4.1 is connected with the vibrator 4.2 arranged outside the flue 2 in a penetrating way through the outer wall of the flue 2, calcium ions and the like in sewage easily cause the internal scaling of the tube array 3.4 to influence the heat exchange effect of the heat exchanger 1, the descaling device 4 has the function that when the internal scaling of the heat exchanger 1, the vibrator 4.2 is started, the force guide rod 4.1 transmits the vibration force of the vibrator 4.2 to each tube nest 3.4 of the heat exchanger 1 under the vibration action of the vibrator 4.2, descaling the inner wall of the tube nest 3.4, and simultaneously removing impurities attached to the outer wall of the heat exchanger 1 in an auxiliary mode through vibration, wherein the impurities fall into a slag receiving hopper 5 below the heat exchanger 1.
Install first manometer 6 in proper order on the connecting line between the entry of inlet tube 1.1 and the export of flocculation and precipitation process, first temperature sensor 7, flow valve 8, install second manometer 9 in proper order on the connecting line between the exit end of outlet pipe 1.2 and the entry of crystallization process, second temperature sensor 10, when the inside scale deposit of heat exchanger 1, can influence the heat transfer effect of sewage, lead to leaving water temperature to descend, simultaneously pressure in the heat exchanger 1 also can increase, through comparing two manometers, the difference between two temperature sensor, judge the inside scale deposit condition of heat exchanger 1.
Connecting line between the inlet end of inlet tube 1.1 and the export of flocculation and precipitation process and the export intercommunication of medicament dosing line 11, the entry of medicament dosing line 11 and the export intercommunication of governing valve 12, the entry of governing valve 12 and the export intercommunication of scale removal medicinal cupping 13, the medicament of scale removal medicinal cupping 13 is magnesium sulfate, in case judge the inside scale deposit of heat exchanger 1, then need open scale removal medicinal cupping 13, adjust the flow of medicament through governing valve 12, the medicament flows into in the tubulation 3.4 of heat exchanger 1 along with the sewage through medicament dosing line 11, the dirt of tubulation 3.4 inner wall of heat exchanger 1 is cleared up.
The outer wall spraying of heat exchanger 1 has wear-resisting anticorrosive coating, and this coating can prevent that the impurity that does not filter through the dust remover in the flue gas from attaching to the outer wall of heat exchanger 1, guarantees the heat transfer effect of heat exchanger 1 and flue gas.
The working process is as follows:
the quantity of the heat exchange units 3 of the heat exchanger 1 is adjusted according to the effluent temperature required by production, sewage discharged in a flocculation precipitation process enters the heat exchanger 1 through a water inlet pipe 1.1, the inflow rate of the sewage is adjusted through a flow valve 8 on the water inlet pipe 1.1, the sewage exchanges heat with high-temperature flue gas in a flue 2 in the heat exchanger 1, and the sewage after heat exchange enters a crystallization process through a water outlet pipe 1.2; by comparing the difference between the first pressure gauge 6 and the second pressure gauge 9 and the difference between the first temperature sensor 7 and the second temperature sensor 10, the scaling condition inside the tubes 3.4 of the heat exchanger 1 is analyzed, when the inside of the heat exchanger 1 is scaled, the vibrator 4.2 is started, the force guide rod 4.1 transmits the vibration force of the vibrator 4.2 to each tube 3.4 of the heat exchanger 1 under the vibration action of the vibrator 4.2, the inner wall of each tube 3.4 is descaled, meanwhile, the impurities attached to the outer wall of the heat exchanger 1 can be removed in a vibration mode, the impurities fall into the slag receiving hopper 5 below the heat exchanger 1, the descaling medicine tank 13 is opened, the flow of the medicine is adjusted through the adjusting valve 12, the medicine flows into the tubes 3.4 of the heat exchanger 1 along with sewage through the medicine feeding pipeline 11, and the dirt on the inner wall of the heat exchanger 1 is further cleaned.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The heat exchange device for the sewage heat exchange process is characterized by comprising a heat exchanger and a descaling device, the heat exchanger is arranged in a flue of the incinerator, a slag receiving hopper is fixedly arranged on the flue below the heat exchanger, the heat exchanger comprises a water inlet pipe, a water outlet pipe and a plurality of heat exchange units arranged in parallel, the inlet end of the water inlet pipe penetrates through the outer wall of the flue and is connected with an outlet pipeline of the flocculation precipitation process, the other end of the water inlet pipe is sealed, the outlet end of the water outlet pipe penetrates through the outer wall of the flue and is connected with an inlet pipeline of a crystallization process, the other end of the water outlet pipe is sealed, a plurality of heat exchange units which are arranged in parallel are arranged between the water inlet pipe and the water outlet pipe, the inlets of the heat exchange units are communicated with the water inlet pipe, the outlet of the heat exchange unit is communicated with the water outlet pipe, and a plurality of descaling devices are arranged between the two sets of tube arrays of the heat exchange unit.
2. The heat exchange device in the sewage heat exchange process according to claim 1, wherein the heat exchange unit comprises a first communication pipe, a second communication pipe, and a row pipe set, two sets of the row pipe set are oppositely arranged between the first communication pipe and the second communication pipe, the row pipe set comprises a plurality of row pipes arranged in parallel, two ends of each row pipe are respectively communicated with the first communication pipe and the second communication pipe, one end of the first communication pipe is communicated with the water inlet pipe through a first stop valve, the other end of the first communication pipe is closed, one end of the second communication pipe is communicated with the water outlet pipe through a second stop valve, and the other end of the second communication pipe is closed.
3. The heat exchange device for the sewage heat exchange process according to claim 1 or 2, wherein the descaling device comprises a force guide rod and a vibrator, one end of the force guide rod is arranged between the two groups of tube arrays and is respectively connected with each tube array of the tube arrays, and the other end of the force guide rod penetrates through the outer wall of the flue and is connected with the vibrator arranged outside the flue.
4. The heat exchange device for the sewage heat exchange process according to claim 3, wherein a first pressure gauge, a first temperature sensor and a flow valve are sequentially installed on a connecting pipeline between the inlet end of the water inlet pipe and the outlet of the flocculation precipitation process, and a second pressure gauge and a second temperature sensor are sequentially installed on a connecting pipeline between the outlet end of the water outlet pipe and the inlet of the crystallization process.
5. The heat exchange device for the sewage heat exchange process according to claim 4, wherein a connecting pipeline between the inlet end of the water inlet pipe and the outlet of the flocculation precipitation process is communicated with the outlet of a chemical adding pipeline, the inlet of the chemical adding pipeline is communicated with the outlet of a regulating valve, and the inlet of the regulating valve is communicated with the outlet of a descaling medicine tank.
6. The heat exchange device for the sewage heat exchange process according to any one of claims 1, 2, 4 or 5, wherein the outer wall of the heat exchanger is coated with a wear-resistant and corrosion-resistant layer.
7. The heat exchange device in the sewage heat exchange process according to claim 3, wherein the outer wall of the heat exchanger is coated with a wear-resistant and corrosion-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023118334.9U CN214120068U (en) | 2020-12-21 | 2020-12-21 | Heat exchange device for sewage heat exchange process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023118334.9U CN214120068U (en) | 2020-12-21 | 2020-12-21 | Heat exchange device for sewage heat exchange process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214120068U true CN214120068U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023118334.9U Active CN214120068U (en) | 2020-12-21 | 2020-12-21 | Heat exchange device for sewage heat exchange process |
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| Country | Link |
|---|---|
| CN (1) | CN214120068U (en) |
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2020
- 2020-12-21 CN CN202023118334.9U patent/CN214120068U/en active Active
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