CN113636615A - Low-temperature preheating recovery device at top of deamination tower and application method thereof - Google Patents
Low-temperature preheating recovery device at top of deamination tower and application method thereof Download PDFInfo
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- CN113636615A CN113636615A CN202110968747.6A CN202110968747A CN113636615A CN 113636615 A CN113636615 A CN 113636615A CN 202110968747 A CN202110968747 A CN 202110968747A CN 113636615 A CN113636615 A CN 113636615A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/043—Details
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
- F28D7/085—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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Abstract
The invention discloses a low-temperature preheating recovery device at the top of a deamination tower and a use method thereof, and the device 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. Thereby greatly improving the energy utilization rate of the equipment and being beneficial to practical use.
Description
Technical Field
The invention belongs to the field of recovery devices, and particularly relates to a low-temperature preheating recovery device for the top of a deamination tower and a use method thereof.
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 invention content is as follows:
the invention aims to solve the problems in the prior art by providing a low-temperature preheating recovery device at the top of a deamination tower and a use method thereof.
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.
Preferably, the heat exchange tubes are all made of copper-aluminum alloy materials.
A use method of a low-temperature preheating recovery device at the top of a deamination tower comprises the following steps:
s1, firstly, the device is installed on the outer side of a specified deamination tower, then an electric heating pipe is electrically connected with external control equipment, in normal operation, a first valve and a second valve are opened, a third valve is closed at the same time, steam rising inside the deamination tower enters the interiors of a second connecting pipe and a third connecting pipe through a first connecting pipe, the steam entering the interior of the third connecting pipe is introduced into the interior of a heating box, the steam introduced into the interior of the heating box is preheated at low temperature through the electric heating pipe, then the steam is introduced into the interior of a fifth connecting pipe through a fourth connecting pipe, and the steam entering the interior of the fifth connecting pipe is introduced into the interior of the deamination tower again for secondary utilization through the action of a check valve;
s2, when the steam pressure in the equipment is too high, the steam entering the second connecting pipe pushes the baffle and the connecting rod to move upwards, the sliding plate is driven to move in the contraction groove, the return spring is extruded by the baffle, the steam in the second connecting pipe enters the buffer groove and is discharged through the first discharge pipe, and therefore the pressure relief operation is completed;
s3, after deamination tower work was accomplished, unnecessary steam will rise to the inside of a connecting pipe, open first valve and third valve this moment, close the second valve simultaneously, and close electric heating pipe, steam is through a connecting pipe, No. three connecting pipes, the heating cabinet, No. four connecting pipes and No. six connecting pipes get into the inside of discharging the case, the water source that needs to carry out the heating to the external world through inlet tube and drain pipe carries out the circulation simultaneously and carries, the steam that gets into to discharge incasement portion pushes the axis of rotation and rotates under the effect of the flabellum in the axis of rotation outside, thereby accomplish the dispersion, the even water source to the inside flow of heat exchange pipe heats, last steam discharges through the second delivery pipe.
The invention 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 of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying 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:
as shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment:
example (b):
a low-temperature preheating recovery device at the top of a deamination tower 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 guiding steam rising inside the deamination tower 1 better; 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, and steam can be conveniently and 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 better 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, and heated steam can be conveniently introduced into the deamination tower 1 again through the fifth connecting pipe 14; one end, far away from the second three-way joint 13, of the fifth connecting pipe 14 is fixedly connected with the deamination tower 1, one end, far away from the fifth connecting pipe 14, of the second three-way joint 13 is fixedly connected with a sixth connecting pipe 17, one end, far away from the second three-way joint 13, of the sixth connecting pipe 17 is fixedly connected with a discharge box 19, and steam can be conveniently 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.
Wherein, the pressure relief mechanism 6 comprises a buffer groove 61, the buffer groove 61 is arranged in the pressure relief box 5, an 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 to the inside of the air inlet groove 62, a contraction groove 63 is arranged in the pressure relief box 5 and above the buffer groove 61, a sliding plate 64 is slidably connected in the contraction groove 63, a connecting rod 65 is fixedly connected at the bottom of the sliding plate 64, the bottom of the connecting rod 65 extends to the inside of the buffer groove 61 and is fixedly connected with a baffle 66, the bottom of the baffle 66 extends to the inside of 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, and a first discharge pipe 68 is fixedly connected at one side of the pressure relief box 5 far away from the deamination tower 1, one end of the first exhaust pipe 68 extends to the inside of the buffer groove 61, and the pressure relief mechanism 6 is arranged, so that steam can be exhausted timely under the condition that the steam pressure of the equipment is too large, and normal operation of the equipment is guaranteed.
Wherein, the waste heat utilization mechanism 20 comprises a support rod 201, the two sides of the bottom of the inner wall of the discharge box 19 are fixedly connected with support rods 201, two of the support rods 201 are rotatably connected with a rotation shaft 202 between the tops thereof, the outside equidistance of the rotation shaft 202 is fixedly connected with fan blades 203, one side of the bottom of the discharge box 19 is fixedly connected with a water inlet pipe 204, the bottom of the discharge box 19 is far away from one end of the water inlet pipe 204 and is fixedly connected with a drain pipe 206, one ends of the water inlet pipe 204 and the drain pipe 206 are extended into the discharge box 19, the top equidistance of the water inlet pipe 204 is fixedly connected with a heat exchange pipe 205, one end of the heat exchange pipe 205 far away from the water inlet pipe 204 is fixedly connected with the top of the drain pipe 206, one end of the top of the discharge box 19 is fixedly connected with a second discharge pipe 207, and by arranging the waste heat utilization mechanism 20, the waste heat utilization mechanism is convenient for better utilizing steam to heat external water sources, thereby further improving the utilization rate of the steam.
Wherein, the one end fixed mounting that the outside of No. three connecting pipe 7 is close to first three way connection 3 has first valve 8, is convenient for better the break-make to No. three connecting pipe 7 through first valve 8 and controls.
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.
Wherein, 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 inside steam of the better assurance deamination tower 1 of being convenient for can not the refluence get into the inside of No. five connecting pipes 14.
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.
The heat exchange tube 205 is made of copper-aluminum alloy, which is convenient for better increasing heat exchange effect.
A use method of a low-temperature preheating recovery device at the top of a deamination tower comprises the following steps:
s1, firstly, the device is installed on the outer side of a designated deamination tower 1, then, an electric heating tube 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 inside the deamination tower 1 enters the insides of a second connecting tube 4 and a third connecting tube 7 through a first connecting tube 2, the steam entering the inside of the third connecting tube 7 is introduced into a heating box 9, the steam introduced into the heating box 9 is preheated at low temperature through the electric heating tube 10, then the steam is introduced into a fifth connecting tube 14 through a fourth connecting tube 12, and the steam entering the inside the fifth connecting tube 14 is introduced into the inside of the deamination tower 1 again for secondary utilization through the action of a one-way valve 16;
s2, when the steam pressure in the equipment is too high, the steam entering the second connecting pipe 4 pushes the baffle 66 and the 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 extruded by the baffle 66, the steam in the second connecting pipe 4 enters the buffer groove 61 and is discharged through the first discharge pipe 68, and therefore the pressure relief operation is completed;
s3, after the deamination tower 1 finishes working, the redundant steam will rise to the inside of the first connecting pipe 2, at this time, the first valve 8 and the third valve 18 are opened, the second valve 15 is closed, and the electric heating pipe 10 is closed, the steam enters the inside of the discharging 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, and meanwhile, the water source which needs to be heated from the outside is circularly conveyed through the water inlet pipe 204 and the water discharging pipe 206, the steam entering the inside of the discharging box 19 pushes the rotating shaft 202 to rotate under the action of the fan blades 203 outside the rotating shaft 202, so as to complete dispersion, uniformly heat the water source flowing inside the heat exchanging pipe 205, and finally the steam is discharged 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
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).
8. The low-temperature preheating recovery device at the top of the deamination tower as claimed in claim 3, wherein the heat exchange tubes (205) are made of copper-aluminum alloy.
9. The use method of the low-temperature preheating recovery device at the top of the deamination tower as claimed in any one of claims 1 to 8, characterized by comprising the following steps:
s1, firstly, the equipment is arranged at the outer side of the appointed deamination tower (1), then the 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 from the inside of the deamination tower (1) enters the insides of a second connecting pipe (4) and a third connecting pipe (7) through a first connecting pipe (2), the steam entering the inside of the third connecting pipe (7) is introduced into the inside of a heating box (9), the steam introduced into the heating box (9) is preheated at low temperature through the electric heating pipe (10), then the steam enters the interior of the fifth connecting pipe (14) through the fourth connecting pipe (12), and the steam entering the interior of the fifth connecting pipe (14) enters the interior of the deamination tower (1) again for secondary utilization under the action of the one-way valve (16);
s2, when the steam pressure in the equipment is too high, the steam entering the second connecting pipe (4) can push the baffle (66) and the 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 extruded through the baffle (66), the steam inside the second connecting pipe (4) enters the buffer groove (61), and then is discharged through the first discharge pipe (68), so that the pressure relief operation is completed;
s3, when the work of the deamination tower (1) is finished, the redundant steam will rise to the inside of the first connecting pipe (2), at the moment, the first valve (8) and the third valve (18) are opened, simultaneously closing the second valve (15) and closing the electric heating pipe (10), the steam enters 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), meanwhile, a water source which needs to be heated outside is circularly conveyed through the water inlet pipe (204) and the water outlet pipe (206), the steam which enters the discharge box (19) pushes the rotating shaft (202) to rotate under the action of the fan blades (203) on the outer side of the rotating shaft (202), thereby completing the dispersion, uniformly heating the water source flowing inside the heat exchange pipe (205), and finally discharging the steam through the second discharge pipe (207).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968747.6A CN113636615A (en) | 2021-08-23 | 2021-08-23 | Low-temperature preheating recovery device at top of deamination tower and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968747.6A CN113636615A (en) | 2021-08-23 | 2021-08-23 | Low-temperature preheating recovery device at top of deamination tower and application method thereof |
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| CN113636615A true CN113636615A (en) | 2021-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117069346A (en) * | 2023-10-16 | 2023-11-17 | 天津市创举科技股份有限公司 | Residual ammonia water distillation benzene removal device and application method thereof |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117069346A (en) * | 2023-10-16 | 2023-11-17 | 天津市创举科技股份有限公司 | Residual ammonia water distillation benzene removal device and application method thereof |
| CN117069346B (en) * | 2023-10-16 | 2024-02-02 | 天津市创举科技股份有限公司 | Residual ammonia water distillation benzene removal device and application method thereof |
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