CN216336699U - Low-temperature preheating recovery device at top of deamination tower - Google Patents
Low-temperature preheating recovery device at top of deamination tower Download PDFInfo
- Publication number
- CN216336699U CN216336699U CN202121985585.9U CN202121985585U CN216336699U CN 216336699 U CN216336699 U CN 216336699U CN 202121985585 U CN202121985585 U CN 202121985585U CN 216336699 U CN216336699 U CN 216336699U
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- fixedly connected
- connecting pipe
- deamination tower
- box
- way joint
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- 230000009615 deamination Effects 0.000 title claims abstract description 61
- 238000006481 deamination reaction Methods 0.000 title claims abstract description 61
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000002918 waste heat Substances 0.000 claims abstract description 11
- 238000005485 electric heating Methods 0.000 claims description 13
- 230000008602 contraction Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a low-temperature preheating recovery device at the top of a deamination tower, which comprises the deamination tower, wherein one side of the top of the deamination tower is fixedly connected with a first connecting pipe, one end of the first connecting pipe, which is far away from the deamination tower, is fixedly connected with a first three-way joint, the top of the first three-way joint is fixedly connected with a second connecting pipe, the top of the second connecting pipe is fixedly connected with a pressure relief box, and a pressure relief mechanism is arranged in the pressure relief box, so that the low-temperature preheating recovery device has the beneficial effects that: the heating box is arranged at the top of the deamination tower, so that steam discharged by the deamination tower can be preheated at low temperature, the steam is introduced into the deamination tower again, energy loss caused by direct discharge of the steam is avoided, the overall energy consumption of the deamination tower is reduced, and the discharged steam can be used for heating an external water source by arranging the waste heat utilization mechanism, so that the energy utilization rate of equipment is greatly improved, and the heating box is favorable for practical use.
Description
Technical Field
The utility model belongs to the field of recovery devices, and particularly relates to a low-temperature preheating recovery device for the top of a deamination tower.
Background
In the existing life, ammonia-containing wastewater is one of important pollution sources, the existing ammonia removal method is mainly divided into a chemical method and a physical method, the chemical method is high in cost and not wide in application due to unsatisfactory treatment effect, the physical ammonia removal method mainly comprises a blow-off method and a stripping method, a deamination tower is a common device in the physical ammonia removal process, the working principle of the deamination tower is that ammonia gas dissolved in water is enabled to escape through full contact of airflow and ammonia water, the existing deamination tower is mainly used for shunting the ammonia-nitrogen wastewater through a plurality of layers of perforated tower trays so as to enable the ammonia-nitrogen wastewater to fully contact with air, further enable the ammonia gas in the ammonia-nitrogen wastewater to escape, and when the stripping method is operated, saturated steam or superheated steam is introduced at the bottom of the tower to heat the ammonia-containing water sprayed from the top of the tower, ammonia is dissociated at the same time, and the dissociated ammonia is constantly taken away by a steam source.
In the prior art, the steam is usually directly discharged when being discharged, and a large amount of heat is carried in the steam, so that a large amount of energy loss can be caused by direct discharge, the sustainable development is not facilitated, the energy consumption of the whole deamination tower can be increased, and the practical use is not facilitated.
The utility model has the following contents:
the utility model aims to solve the problems in the prior art by providing a low-temperature preheating recovery device at the top of a deamination tower.
In order to solve the above problems, the present invention provides a technical solution:
a low-temperature preheating recovery device at the top of a deamination tower comprises the deamination tower, wherein one side of the top of the deamination tower is fixedly connected with a first connecting pipe, one end of the first connecting pipe, which is far away from the deamination tower, is fixedly connected with a first three-way joint, the top of the first three-way joint is fixedly connected with a second connecting pipe, the top of the second connecting pipe is fixedly connected with a pressure relief box, the inside of the pressure relief box is provided with a pressure relief mechanism, one end of the first three-way joint, which is far away from the first connecting pipe, is fixedly connected with a third connecting pipe, one end of the third connecting pipe, which is far away from the first three-way joint, is fixedly connected with a heating box, one side of the inner wall of the heating box, which is far away from the deamination tower, is equidistantly and is fixedly provided with electric heating pipes, partition plates are fixedly connected between two adjacent electric heating pipes on two sides of the inner wall of the heating box, and a fourth connecting pipe is fixedly connected with the bottom of the heating box, the bottom fixedly connected with second three way connection of No. four connecting pipes, the one end fixedly connected with of second three way connection is close to the deamination tower is No. five connecting pipes, second three way connection's one end and deamination tower fixed connection are kept away from to No. five connecting pipes, No. six connecting pipes of one end fixedly connected with of No. five connecting pipes are kept away from to second three way connection, No. six connecting pipes keep away from second three way connection's one end fixedly connected with and discharge the case, the inside of discharging the case is provided with waste heat utilization mechanism.
Preferably, the pressure relief mechanism comprises a buffer slot, the buffer slot is arranged in the pressure relief box, the bottom of the inner wall of the buffer groove is provided with an air inlet groove, the top of the second connecting pipe extends to the inside of the air inlet groove, a contraction groove is arranged in the pressure relief box and above the buffer groove, a sliding plate is connected in the contraction groove in a sliding manner, the bottom of the sliding plate is fixedly connected with a connecting rod, the bottom of the connecting rod extends to the inside of the buffer tank and is fixedly connected with a baffle plate, the bottom of the baffle extends into the air inlet groove and contacts with the inner wall of the air inlet groove, a return spring is sleeved outside the connecting rod and between the top of the baffle and the top of the inner wall of the buffer groove, one side fixedly connected with first discharge tube that the deamination tower was kept away from to the pressure release case, the one end of first discharge tube extends to the inside of dashpot.
As preferred, waste heat utilization mechanism includes the bracing piece, the equal fixedly connected with bracing piece in both sides of discharging the incasement wall bottom, two rotate between the top of bracing piece and be connected with the axis of rotation, the outside equidistance fixedly connected with flabellum of axis of rotation, one side fixedly connected with inlet tube of discharging the bottom of the case portion, the one end fixedly connected with drain pipe of inlet tube is kept away from to the bottom of discharging the case, the inlet tube all extends to the inside of discharging the case with the one end of drain pipe, the top equidistance fixedly connected with heat exchange tube of inlet tube, the one end that the inlet tube was kept away from to the heat exchange tube all with the top fixed connection of drain pipe, the one end fixedly connected with second delivery pipe at discharging the roof portion.
Preferably, a first valve is fixedly installed at one end, close to the first three-way joint, of the outer side of the third connecting pipe.
Preferably, a second valve is fixedly installed at one end, close to the second three-way joint, of the outer side of the fifth connecting pipe.
Preferably, a one-way valve is fixedly mounted at one end, close to the deamination tower, of the outer side of the fifth connecting pipe.
Preferably, a third valve is fixedly installed at one end, close to the second three-way joint, of the outer side of the number six connecting pipe.
The utility model has the following beneficial effects: the heating box is arranged at the top of the deamination tower, so that steam discharged by the deamination tower can be preheated at low temperature, the steam is introduced into the deamination tower again, energy loss caused by direct discharge of the steam is avoided, the overall energy consumption of the deamination tower is reduced, and the discharged steam can be used for heating an external water source by arranging the waste heat utilization mechanism, so that the energy utilization rate of equipment is greatly improved, and the heating box is favorable for practical use.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the pressure relief tank of the present invention;
FIG. 3 is a schematic view of the internal structure of the heating chamber of the present invention;
FIG. 4 is a schematic view of the internal structure of the drain tank of the present invention;
fig. 5 is a schematic view of the structure of the heat exchange tube of the present invention.
In the figure: 1. a deamination tower; 2. a first connecting pipe; 3. a first three-way joint; 4. a second connecting pipe; 5. a pressure relief tank; 6. a pressure relief mechanism; 61. a buffer tank; 62. an air inlet groove; 63. a contraction groove; 64. a slide plate; 65. a connecting rod; 66. a baffle plate; 67. a return spring; 68. a first discharge pipe; 7. a third connecting pipe; 8. a first valve; 9. a heating box; 10. an electric heating tube; 11. a partition plate; 12. a fourth connecting pipe; 13. a second three-way joint; 14. a fifth connecting pipe; 15. a second valve; 16. a one-way valve; 17. a number six connecting pipe; 18. a third valve; 19. a discharge tank; 20. a waste heat utilization mechanism; 201. a support bar; 202. a rotating shaft; 203. a fan blade; 204. a water inlet pipe; 205. a heat exchange pipe; 206. a drain pipe; 207. a second discharge pipe.
The specific implementation mode is as follows:
the preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b):
as shown in fig. 1-5, the utility model provides a low-temperature preheating recovery device at the top of a deamination tower, which comprises a deamination tower 1, wherein one side of the top of the deamination tower 1 is fixedly connected with a first connecting pipe 2, and the first connecting pipe 2 is convenient for better guiding steam rising inside the deamination tower 1; one end of the first connecting pipe 2, which is far away from the deamination tower 1, is fixedly connected with a first three-way joint 3, the top of the first three-way joint 3 is fixedly connected with a second connecting pipe 4, the top of the second connecting pipe 4 is fixedly connected with a pressure relief box 5, and steam can be better guided into the pressure relief box 5 through the second connecting pipe 4; a pressure relief mechanism 6 is arranged in the pressure relief box 5, one end, far away from the first connecting pipe 2, of the first three-way joint 3 is fixedly connected with a third connecting pipe 7, one end, far away from the first three-way joint 3, of the third connecting pipe 7 is fixedly connected with a heating box 9, and steam can be guided into the heating box 9 conveniently through the third connecting pipe 7; electric heating pipes 10 are fixedly installed on one side, far away from the deamination tower 1, of the inner wall of the heating box 9 at equal intervals, the steam entering the heating box 9 can be well preheated at low temperature through the electric heating pipes 10, and meanwhile, the electric heating pipes 10 are electrically connected with external control equipment, so that the electric heating pipes can be conveniently controlled; partition plates 11 are fixedly connected to two sides of the inner wall of the heating box 9 and between two adjacent electric heating pipes 10, steam entering the heating box 9 is guided better through the partition plates 11, and the time for the steam to stay in the heating box 9 is prolonged, so that the heating effect is improved; a fourth connecting pipe 12 is fixedly connected to the bottom of the heating box 9, a second three-way joint 13 is fixedly connected to the bottom of the fourth connecting pipe 12, a fifth connecting pipe 14 is fixedly connected to one end, close to the deamination tower 1, of the second three-way joint 13, one end, far away from the second three-way joint 13, of the fifth connecting pipe 14 is fixedly connected to the deamination tower 1, and heated steam can be conveniently introduced into the deamination tower 1 again through the fifth connecting pipe 14; one end of the second three-way joint 13, which is far away from the fifth connecting pipe 14, is fixedly connected with a sixth connecting pipe 17, one end of the sixth connecting pipe 17, which is far away from the second three-way joint 13, is fixedly connected with a discharge box 19, and steam can be better introduced into the discharge box 19 through the sixth connecting pipe 17; the inside of the discharge tank 19 is provided with a waste heat utilization mechanism 20.
Further, the pressure relief mechanism 6 comprises a buffer groove 61, the buffer groove 61 is arranged in the pressure relief box 5, the air inlet groove 62 is arranged at the bottom of the inner wall of the buffer groove 61, the top of the second connecting pipe 4 extends into the air inlet groove 62, the contraction groove 63 is arranged in the pressure relief box 5 and above the buffer groove 61, the sliding plate 64 is connected in the contraction groove 63 in a sliding manner, the connecting rod 65 is fixedly connected at the bottom of the sliding plate 64, the bottom of the connecting rod 65 extends into the buffer groove 61 and is fixedly connected with a baffle 66, the bottom of the baffle 66 extends into the air inlet groove 62 and is in contact with the inner wall of the air inlet groove 62, a return spring 67 is sleeved between the top of the baffle 66 and the top of the inner wall of the buffer groove 61 outside the connecting rod 65, a first discharge pipe 68 is fixedly connected to one side of the pressure relief box 5 away from the deamination tower 1, one end of the first discharge pipe 68 extends into the buffer groove 61, through setting up pressure release mechanism 6, be convenient for better in time discharge steam under the too big condition of equipment steam pressure to guarantee the normal operating of equipment.
Further, the waste heat utilization mechanism 20 comprises support rods 201, the support rods 201 are fixedly connected to two sides of the bottom of the inner wall of the discharge box 19, a rotating shaft 202 is rotatably connected between the tops of the two support rods 201, fan blades 203 are fixedly connected to the outer side of the rotating shaft 202 at equal intervals, a water inlet pipe 204 is fixedly connected to one side of the bottom of the discharge box 19, a drain pipe 206 is fixedly connected to one end, away from the water inlet pipe 204, of the bottom of the discharge box 19, one ends of the water inlet pipe 204 and the drain pipe 206 extend into the discharge box 19, heat exchange pipes 205 are fixedly connected to the top of the water inlet pipe 204 at equal intervals, and the heat exchange pipes 205 are made of copper-aluminum alloy materials, so that the heat exchange effect is better increased; the one end that the heat exchange tube 205 kept away from inlet tube 204 all with the top fixed connection of drain pipe 206, the one end fixedly connected with second delivery pipe 207 at drain box 19 top is through setting up waste heat utilization mechanism 20, the waste heat of the better utilization steam of being convenient for heats the operation to external water source to further improvement is to the utilization ratio of steam.
Furthermore, a first valve 8 is fixedly installed at one end, close to the first three-way joint 3, of the outer side of the third connecting pipe 7, and the on-off of the third connecting pipe 7 can be controlled better through the first valve 8.
Furthermore, a second valve 15 is fixedly installed at one end of the outer side of the fifth connecting pipe 14 close to the second three-way joint 13, and the on-off of the fifth connecting pipe 14 can be controlled better through the second valve 15.
Furthermore, the one end fixed mounting that the outside of No. five connecting pipes 14 is close to deamination tower 1 has check valve 16, through setting up check valve 16, the better inside steam of assurance deamination tower 1 of being convenient for can not the refluence get into the inside of No. five connecting pipes 14.
Furthermore, a third valve 18 is fixedly installed at one end of the outer side of the sixth connecting pipe 17 close to the second three-way joint 13, and the on-off of the sixth connecting pipe 17 can be controlled better through the third valve 18.
Specifically, the method comprises the following steps: when the device is used, firstly, the device is installed on the outer side of a designated deamination tower 1, then an electric heating pipe 10 is electrically connected with external control equipment, in normal operation, a first valve 8 and a second valve 15 are opened, a third valve 18 is closed at the same time, steam rising in the deamination tower 1 enters the interiors of a second connecting pipe 4 and a third connecting pipe 7 through a first connecting pipe 2, the steam entering the interior of the third connecting pipe 7 is introduced into a heating box 9, the steam introduced into the interior of the heating box 9 is preheated at low temperature through the electric heating pipe 10, then the steam is introduced into the interior of a fifth connecting pipe 14 through a fourth connecting pipe 12, the steam entering the interior of the fifth connecting pipe 14 is introduced into the interior of the deamination tower 1 again for secondary utilization through the action of a one-way valve 16, and when the steam pressure in the device is too high, the steam entering the interior of the second connecting pipe 4 can push a baffle 66 and a connecting rod 65 to move upwards, meanwhile, the sliding plate 64 is driven to move in the contraction groove 63, the return spring 67 is squeezed by the baffle 66, steam in the second connecting pipe 4 enters the buffer groove 61 and is then discharged through the first discharge pipe 68, so that the pressure relief operation is completed, after the deamination tower 1 finishes working, redundant steam rises to the inside of the first connecting pipe 2, the first valve 8 and the third valve 18 are opened at the moment, the second valve 15 is closed, the electric heating pipe 10 is closed, the steam enters the inside of the discharge box 19 through the first connecting pipe 2, the third connecting pipe 7, the heating box 9, the fourth connecting pipe 12 and the sixth connecting pipe 17, a water source which needs to be heated from the outside is circularly conveyed through the water inlet pipe 204 and the water discharge pipe 206, and the rotating shaft 202 is driven to rotate by the steam entering the inside of the discharge box 19 under the action of the fan blades 203 outside the rotating shaft 202, thereby completing the dispersion, uniformly heating the water source flowing inside the heat exchanging pipe 205, and finally discharging the steam through the second discharging pipe 207.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A low-temperature preheating recovery device at the top of a deamination tower comprises a deamination tower (1) and is characterized in that one side of the top of the deamination tower (1) is fixedly connected with a first connecting pipe (2), one end, far away from the deamination tower (1), of the first connecting pipe (2) is fixedly connected with a first three-way joint (3), the top of the first three-way joint (3) is fixedly connected with a second connecting pipe (4), the top of the second connecting pipe (4) is fixedly connected with a pressure relief box (5), a pressure relief mechanism (6) is arranged inside the pressure relief box (5), one end, far away from the first connecting pipe (2), of the first three-way joint (3) is fixedly connected with a third connecting pipe (7), one end, far away from the first three-way joint (3), of the third connecting pipe (7) is fixedly connected with a heating box (9), and electric heating pipes (10) are fixedly installed at equal intervals on one side, far away from the deamination tower (1), of the inner wall of the heating box (9), partition plates (11) are fixedly connected on two sides of the inner wall of the heating box (9) and between two adjacent electric heating pipes (10), the bottom of the heating box (9) is fixedly connected with a fourth connecting pipe (12), the bottom of the fourth connecting pipe (12) is fixedly connected with a second three-way joint (13), one end of the second three-way joint (13) close to the deamination tower (1) is fixedly connected with a fifth connecting pipe (14), one end of the fifth connecting pipe (14) far away from the second three-way joint (13) is fixedly connected with the deamination tower (1), one end of the second three-way joint (13) far away from the fifth connecting pipe (14) is fixedly connected with a sixth connecting pipe (17), one end of the sixth connecting pipe (17) far away from the second three-way joint (13) is fixedly connected with a discharge box (19), and a waste heat utilization mechanism (20) is arranged in the discharge box (19).
2. The low-temperature preheating recovery device at the top of a deamination tower as claimed in claim 1, wherein the pressure relief mechanism (6) comprises a buffer tank (61), the buffer tank (61) is arranged inside the pressure relief box (5), the air inlet tank (62) is arranged at the bottom of the inner wall of the buffer tank (61), the top of the second connecting pipe (4) extends into the air inlet tank (62), the inside of the pressure relief box (5) is arranged above the buffer tank (61) and is provided with a contraction tank (63), the inside of the contraction tank (63) is connected with a sliding plate (64) in a sliding manner, the bottom of the sliding plate (64) is fixedly connected with a connecting rod (65), the bottom of the connecting rod (65) extends into the inside of the buffer tank (61) and is fixedly connected with a baffle (66), the bottom of the baffle (66) extends into the inside of the air inlet tank (62) and is in contact with the inner wall of the air inlet tank (62), the cover has return spring (67) in the outside of connecting rod (65) and between the top that is located the top of baffle (66) and dashpot (61) inner wall, the first discharge tube (68) of one side fixedly connected with that deamination tower (1) was kept away from in pressure release case (5), the one end of first discharge tube (68) extends to the inside of dashpot (61).
3. The low-temperature preheating recovery device at the top of a deamination tower as claimed in claim 1, wherein the waste heat utilization mechanism (20) comprises support rods (201), the support rods (201) are fixedly connected to both sides of the bottom of the inner wall of the discharge box (19), a rotating shaft (202) is rotatably connected between the tops of the two support rods (201), fan blades (203) are fixedly connected to the outer sides of the rotating shaft (202) at equal intervals, a water inlet pipe (204) is fixedly connected to one side of the bottom of the discharge box (19), a water outlet pipe (206) is fixedly connected to one end, far away from the water inlet pipe (204), of the bottom of the discharge box (19), one ends of the water inlet pipe (204) and the water outlet pipe (206) extend into the discharge box (19), heat exchange pipes (205) are fixedly connected to the top of the water inlet pipe (204) at equal intervals, one end, far away from the water inlet pipe (204), of the heat exchange pipes (205) is fixedly connected to the top of the water outlet pipe (206), one end of the top of the discharge box (19) is fixedly connected with a second discharge pipe (207).
4. The low-temperature preheating recovery device at the top of a deamination tower as claimed in claim 1, wherein a first valve (8) is fixedly mounted at one end of the outer side of the third connecting pipe (7) close to the first three-way joint (3).
5. The low-temperature preheating recovery device at the top of a deamination tower as claimed in claim 1, wherein a second valve (15) is fixedly mounted at one end of the outer side of the fifth connecting pipe (14) close to the second three-way joint (13).
6. The low-temperature preheating recovery device at the top of the deamination tower as claimed in claim 1, wherein a one-way valve (16) is fixedly mounted at one end of the outer side of the fifth connecting pipe (14) close to the deamination tower (1).
7. The low-temperature preheating recovery device at the top of a deamination tower as claimed in claim 1, wherein a third valve (18) is fixedly arranged at one end of the outer side of the sixth connecting pipe (17) close to the second three-way joint (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121985585.9U CN216336699U (en) | 2021-08-23 | 2021-08-23 | Low-temperature preheating recovery device at top of deamination tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121985585.9U CN216336699U (en) | 2021-08-23 | 2021-08-23 | Low-temperature preheating recovery device at top of deamination tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216336699U true CN216336699U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121985585.9U Expired - Fee Related CN216336699U (en) | 2021-08-23 | 2021-08-23 | Low-temperature preheating recovery device at top of deamination tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216336699U (en) |
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2021
- 2021-08-23 CN CN202121985585.9U patent/CN216336699U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |