CN113955917A - Novel structure of water-cooled heat pump sludge drying machine - Google Patents
Novel structure of water-cooled heat pump sludge drying machine Download PDFInfo
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- CN113955917A CN113955917A CN202111402322.5A CN202111402322A CN113955917A CN 113955917 A CN113955917 A CN 113955917A CN 202111402322 A CN202111402322 A CN 202111402322A CN 113955917 A CN113955917 A CN 113955917A
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- 239000010802 sludge Substances 0.000 title claims abstract description 35
- 238000001035 drying Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000000428 dust Substances 0.000 claims abstract description 48
- 238000005507 spraying Methods 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 10
- 238000005485 electric heating Methods 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 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
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a structure of a novel water-cooled heat pump sludge drying machine, and relates to the technical field of sludge drying treatment equipment. The conveying device is located on one side of the heat pump system, the feed inlet is arranged above one side of the conveying device, the cutting machine is arranged inside the feed inlet, the dust removal device is arranged above the heat pump system, the main fan is arranged above the outer portion of the conveying device, the conveying device comprises an upper conveying belt and a lower conveying belt, variable frequency speed reducers are arranged on the opposite sides of the upper conveying belt and the lower conveying belt, the discharge opening is arranged below the lower conveying belt, the spraying system is located above the inner portion of the dust removal device, water film dust removal is achieved through the dust removal device and the spraying system, fins inside the dust removal device do not need to be manually cleaned, and the content of dust entering the inner portion of the heat pump system is effectively reduced; the probability of fan breakdown is reduced, the initial input of part is reduced simultaneously, saves original at heat pump system internally mounted cooling coil, save material.
Description
Technical Field
The invention relates to the technical field of sludge drying treatment equipment, in particular to a structure of a novel water-cooled heat pump sludge drying machine.
Background
With the further promotion of the national requirement on the water content of the sludge, the existing mechanical dehydration, such as a belt filter press, a screw stacking machine is difficult to achieve the purpose that the water content is lower than 60 percent, and the hot forced drying is required.
The low-temperature heat pump drying of the sludge is a method for further reducing the water content of the sludge by using electric energy after the sludge is dehydrated. After the drying treatment, the water content of the sludge can be reduced to 10-40%, and the volume of the sludge can be effectively reduced.
The problems mainly encountered in the use of the existing sludge low-temperature heat pump drying machine are as follows:
1. filth blockage of the wind system: with the application of the low-temperature heat pump technology in the field of sludge drying, the problem of waste gas pollution in the sludge heat drying process is better solved, but the finned heat exchanger in the heat pump system, especially an evaporator, is extremely easy to be blocked by fine dust under a wet working condition, so that the fault of the heat pump system is caused.
2. Fan a1 fault is high: because the fan is placed in the higher heat pump air-out temperature region, the fault rate is higher.
3. A heat-radiating water-cooling coil A2 is additionally arranged in the heat pump to cool the hot air in the return air pipeline.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the structure of the novel water-cooled heat pump sludge drying machine, water film dust removal is realized through a dust removal device and a spraying system, fins in the dust removal device do not need to be cleaned manually, and meanwhile, multi-stage dust removal is carried out, so that the content of dust entering the heat pump system is effectively reduced; after the fan is placed at the top instead of being built-in, the probability of the fan breaking down is reduced, meanwhile, the initial investment of components is reduced, when the heat pump system breaks down, and only the electric heating is started for heating, the cooling dust remover can also be used as a dehumidifying coil, so that the production pause caused by the failure of the heat pump system is avoided; the fin is connected with the water cooling tower, and the pre-cooling treatment is carried out on the dedusting hot air, so that a cooling coil is not installed in the heat pump system originally, and the material is saved.
(II) technical scheme
In order to realize the advantages, the invention adopts the following specific technical scheme: it contains heat pump system, sprinkler system, dust collector, feed inlet, stock cutter, conveyer, main fan, discharge opening, conveyer is located one side of heat pump system, one side top at conveyer is installed to the feed inlet, the inside at the feed inlet is installed to the stock cutter, dust collector installs the top at heat pump system, main fan installs the outside top at conveyer, conveyer contains conveyer belt and lower conveyer belt, and the opposite one side of going up conveyer belt and lower conveyer belt all is provided with the frequency conversion speed reducer, the discharge opening is installed in the below of conveyer belt down, and discharge opening and feed inlet are located same one side, sprinkler system is located dust collector's inside top.
Furthermore, the dust removing device comprises a shell, a first fin, a second fin, a third fin, a water baffle, a water collecting tank, a partition plate and a baffle, wherein the first fin is installed at one end of the left side inside the shell, the third fin is installed at one end of the right side inside the shell, the second fin is installed below the middle position of the first fin and the middle position of the third fin, the partition plate is arranged between the first fin and the second fin and between the second fin and the third fin to form a first air cavity, a second air cavity and a third air cavity, the water baffle is installed on one side of the partition plate and is located right above the third air cavity, the water collecting tank is installed at the bottom of the inner side of the shell, the baffle is installed above the inside of the shell, a connecting hole is formed in the position where the baffle vertically corresponds to the third fin, and the water baffle is installed inside the connecting hole.
Further, the spraying system contains water pump, connecting pipe, shower and spray nozzle, the inside top at the shell is installed to the shower, the upper portion and the shower of connecting pipe are connected, the water pump is installed in the outside one side of shell, and the one end of water pump and the sub-unit connection of connecting pipe, and the other end and the water catch bowl of water pump are connected, and a plurality of spray nozzles are evenly installed respectively in the both sides of shower.
Further, the spray nozzle is a spiral nozzle.
Furthermore, a drain valve is arranged on one side of the water collecting tank opposite to the water pump.
Furthermore, an electric heating device is arranged in the heat pump system, and a total return air dry-wet ball is installed on a return air pipeline of the heat pump system.
Furthermore, the air inlet of the main fan is connected with the upper shell of the conveying device, and the air outlet of the main fan is connected with the first air cavity.
Furthermore, an air return pipe is arranged on the outer side of the shell, one end of the air return pipe is communicated with the upper part of the baffle plate inside the shell, and the other end of the air return pipe is connected with an air return pipeline of the heat pump system.
Furthermore, the upper part of the heat pump system is provided with an air return bin, the side surface of the air return bin is provided with a plurality of axial flow fans corresponding to the conveying device, and the axial flow fans are positioned between the upper conveying belt and the lower conveying belt.
Furthermore, the inside of first fin, second fin and third fin all is provided with the cooling tube, and the cooling tube links to each other with the cooling tower.
(III) advantageous effects
Compared with the prior art, the invention provides a novel structure of a water-cooled heat pump sludge drier, which has the following beneficial effects:
1. the water film dedusting is realized through the dedusting device and the spraying system, fins in the dedusting device do not need to be cleaned manually, and meanwhile, the multistage dedusting is carried out, so that the content of dust entering the heat pump system is effectively reduced;
2. after the fan is placed at the top instead of being built-in, the use environment temperature of the fan is changed from the original temperature of more than 55 ℃ to the environment temperature, a special high-temperature-resistant and corrosion-resistant fan needs to be configured originally, only a common centrifugal fan needs to be selected under a new structure, and the initial investment of parts is saved;
3. when the heat pump system breaks down, only the electric heating is started, the cooling dust remover can also be used as a dehumidifying coil, and production pause caused by the failure of the heat pump system is avoided;
4. the fin is connected with the water cooling tower, and the pre-cooling treatment is carried out on the dedusting hot air, so that a cooling coil is not installed in the heat pump system originally, and the material is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view corresponding to FIG. 1;
FIG. 3 is a schematic view showing the construction of a dust removing device 3 according to the present invention;
fig. 4 is a schematic view of the internal structure of the heat pump system 1 in the present invention;
FIG. 5 is a schematic view showing the internal structure of the transfer device 6 of the present invention;
FIG. 6 is a schematic view showing a connection structure of a shower pipe 23 and a shower nozzle 24 according to the present invention;
FIG. 7 is a schematic diagram of the spray system 2 of the present invention;
fig. 8 is a schematic structural diagram of a drying machine in the prior art.
In the figure: the heat pump system 1, the spraying system 2, the dust removing device 3, the feed inlet 4, the cutting machine 5, the conveying device 6, the main fan 7, the discharge opening 8, the upper conveying belt 61, the lower conveying belt 62, the variable frequency speed reducer 63, the shell 31, the first fin 32, the second fin 33, the third fin 34, the water baffle 35, the water collecting tank 36, the partition plate 37, the baffle 41, the water pump 21, the connecting pipe 22, the spraying pipe 23, the spraying nozzle 24, the blow-off valve 9, the electric heating device 10, the total return air dry and wet ball 11, the return air pipe 311, the return air bin 14, the axial flow fan 12, the radiating pipe 13 and the connecting hole 411.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to the embodiment of the invention, the structure of the novel water-cooled heat pump sludge drying machine is provided.
Referring to the drawings and the detailed description, as shown in fig. 1-7, according to an embodiment of the present invention, a structure of a novel water-cooled heat pump sludge drying machine includes a heat pump system 1, a spraying system 2, a dust removing device 3, a feed inlet 4, a material cutting machine 5, a conveying device 6, a main blower 7, and a discharge outlet 8, wherein the conveying device 6 is located at one side of the heat pump system 1, the feed inlet 4 is installed above one side of the conveying device 6, the material cutting machine 5 is installed inside the feed inlet 4, the dust removing device 3 is installed above the heat pump system 1, the main blower 7 is installed above the outside of the conveying device 6, the conveying device 6 includes an upper conveying belt 61 and a lower conveying belt 62, opposite sides of the upper conveying belt 61 and the lower conveying belt 62 are both provided with a variable frequency reducer 63, and the discharge outlet 8 is installed below the lower conveying belt 62, and the discharge opening 8 and the feed opening 4 are positioned on the same side, and the spraying system 2 is positioned above the interior of the dust removal device 3.
In one embodiment, the dust removing device 3 comprises a housing 31, a first fin 32, a second fin 33, a third fin 34, a water baffle 35, a water collecting tank 36, a partition 37 and a baffle 41, wherein the first fin 32 is installed at one end of the left side in the housing 31, the third fin 34 is installed at one end of the right side in the housing 31, the second fin 33 is installed below the middle position of the first fin 32 and the third fin 34, the partition 37 is respectively arranged between the first fin 32 and the second fin 33 and between the second fin 33 and the third fin 34, and forms a first air cavity 38, a second air cavity 39 and a third air cavity 40, the water baffle 35 is installed at one side of the partition 37 and is positioned right above the third air cavity 40, the water collecting tank 36 is installed at the bottom of the inner side of the housing 31, the baffle 41 is installed above the inner part of the housing 31, and the baffle 41 and the third fin 34 are vertically provided with a connecting hole 411, the water guard plate 35 is installed inside the connection hole 411.
In one embodiment, the spraying system 2 comprises a water pump 21, a connecting pipe 22, a spraying pipe 23 and spraying nozzles 24, the spraying pipe 23 is installed above the inside of the housing 31, the upper part of the connecting pipe 22 is connected with the spraying pipe 23, the water pump 21 is installed on one side of the outside of the housing 31, one end of the water pump 21 is connected with the lower part of the connecting pipe 22, the other end of the water pump 21 is connected with a water collecting tank 36, the spraying nozzles 24 are respectively and uniformly installed on two sides of the spraying pipe 23, the spraying nozzles 24 continuously spray while dedusting, water from the spraying nozzles 24 is sprinkled on the first fins 32, the second fins 33 and the third fins 34 to form water films, the water films are in contact with dust to adsorb the dust, and then fall into the water collecting tank 36 under the influence of gravity, and the water pump 21 provides hydrodynamic circulation for the spraying nozzles 24.
In one embodiment, the spray nozzle 24 is a spiral nozzle, a vane is arranged inside a conventional solid nozzle, the liquid flows clockwise or counterclockwise through the guide effect of the vane, the centrifugal force is generated by the liquid due to the water pressure, so that a conical spray is generated, the spiral nozzle is different, the spiral nozzle is a typical impact type dispersed spray, no structure is arranged inside the nozzle, the nozzle is an unobstructed channel, the water flow is through a layered interface of an impact spiral, so that the product is sprayed in layers, and because the spiral nozzle has no internal structure, impurities in the waste gas and the waste water can pass through the nozzle in a large amount without blockage.
In one embodiment, the side of the water collection tank 36 opposite to the water pump 21 is provided with a blowoff valve 9, and dust inside the water collection tank 36 can be discharged through the blowoff valve 9.
In one embodiment, the heat pump system 1 is internally provided with an electric heating device 10, when the heat pump system is in failure and only starts electric heating for heating, the cooling dust remover can also be used as a dehumidifying coil to avoid production stop caused by the failure of the heat pump system, a return air pipeline of the heat pump system 1 is provided with a total return air dry-wet bulb 11, the total return air dry-wet bulb 11 is used for detecting the dry bulb temperature and the wet bulb temperature of return air, the dry bulb and the wet bulb hygrometer are composed of two same thermometers, one is called a dry bulb thermometer and exposed to the air for measuring the ambient temperature, the other is a wet bulb thermometer, temperature bubbles of which are wrapped by a wet bulb gauze cover and connected with a container filled with pure water, water on the gauze cover is continuously evaporated, the temperature of the wet bulb is lower because the water evaporation needs to absorb heat, the temperature of the wet bulb is expressed by TW, and the difference between the dry bulb temperature Ta and the wet bulb temperature TW is generally called dry-wet difference, and (3) converting a humidity value by using a dry-bulb and wet-bulb equation, starting a cooling tower cold water pump when the return air humidity is greater than the set return air humidity, and simultaneously starting a cooling tower fan to cool and dehumidify the first fin 32, the second fin 33 and the third fin 34.
In one embodiment, the air inlet of the main blower 7 is connected with the upper shell of the conveying device 6, the air outlet of the main blower 7 is connected with the first air cavity 38, and the main blower 7 is positioned outside the conveying device and connected with the upper part of the conveying device 6 and the first air cavity 38, so that the main blower 7 is prevented from being used in equipment with higher temperature for a long time, and the failure rate of the main blower 7 is reduced.
In one embodiment, a return air pipe 311 is disposed outside the housing 31, one end of the return air pipe 311 is communicated with the upper side of the baffle 41 inside the housing 31, and the other end of the return air pipe 311 is connected to the return air pipe of the heat pump system 1.
In one embodiment, the upper portion of the heat pump system 1 is provided with a return air bin 14, the side surface of the return air bin 14 and the corresponding position of the conveyor 6 are provided with a plurality of axial fans 12, and the plurality of axial fans 12 are located between the upper conveyor 61 and the lower conveyor 62.
In one embodiment, the heat dissipation pipes 13 are disposed inside the first fins 32, the second fins 33 and the third fins 34, and the heat dissipation pipes 13 are connected to the cooling tower, so that the hot air passing through the interior of the dust removing device 3 can be pre-cooled, and the original installation of cooling coils inside the heat pump system 1 is omitted.
The working principle is as follows: sludge is conveyed into a forming machine through a conveying belt from a wet material bin, the sludge is firstly broken into an arch, then enters a feeding hole 4 and passes through a cutting machine 5, is cut into 5mm long strips and then falls onto an upper conveying belt 61, the upper conveying belt 61 is driven by an upper layer variable frequency speed reducer 63 to rotate so as to convey the strip-shaped sludge to a lower conveying belt 62, the lower conveying belt 62 is driven by a lower layer variable frequency speed reducer 63 to rotate so as to convey the strip-shaped sludge to a discharge opening 8 for discharging, in the conveying process, a heat pump system 1 heats and blows hot air to the strip-shaped sludge to be dried through a plurality of axial flow fans 12, the strip-shaped sludge is easy to generate dust to block the heat pump system 1 in the drying process, a main fan 7 works, an air inlet of the main fan 7 is connected with the upper part of the conveying device 6, an air outlet of the main fan 7 is connected with a first air cavity 38, the main fan 7 sucks high-humidity gas at about 55 ℃ from the upper layer of the upper conveying belt 61 and conveys the high-humidity gas into a dust removal device 3 for dust removal, the high-humidity gas firstly passes through the first fins 32 for first dust removal, then passes through the second fins 33 for second dust removal, and finally passes through the third fins 34 for third dust removal, the heat dissipation pipes 13 are arranged inside the first fins 32, the second fins 33 and the third fins 34, the heat dissipation pipes 13 are connected with a cooling tower, and dehumidification is carried out while dust removal is carried out; spraying system 2 is located dust collector 3's inside top, in the dust removal, spray nozzle 24 constantly sprays, the water spray that spray nozzle 24 came out is at first fin 32, form the water film on second fin 33 and the third fin 34, the water film adsorbs the dust with the dust contact, then receive the influence of gravity and drop the inside of water catch bowl 36, simultaneously to first fin 32, second fin 33 and third fin 34 wash, water pump 21 provides hydrodynamic force circulation for spray nozzle 24, wind through the dust removal is entering into heat pump system 1 through return air pipe 311 and is dehumidified and heat up, blow off realization closed circulation by a plurality of axial fan 12 again.
In summary, with the above technical solution of the present invention, the following beneficial effects are achieved: the water film dedusting is realized through the dedusting device and the spraying system, fins in the dedusting device do not need to be cleaned manually, and meanwhile, the multistage dedusting is carried out, so that the content of dust entering the heat pump system is effectively reduced; after the fan is placed at the top instead of being built-in, the use environment temperature of the fan is changed from the original temperature of more than 55 ℃ to the environment temperature, a special high-temperature-resistant and corrosion-resistant fan needs to be configured originally, only a common centrifugal fan needs to be selected under a new structure, and the initial investment of parts is saved; when the heat pump system breaks down, only the electric heating is started, the cooling dust remover can also be used as a dehumidifying coil, and production pause caused by the failure of the heat pump system is avoided; the fin is connected with the water cooling tower, and the pre-cooling treatment is carried out on the dedusting hot air, so that a cooling coil is not installed in the heat pump system originally, and the material is saved.
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.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The structure of the novel water-cooled heat pump sludge drier is characterized by comprising a heat pump system (1), a spraying system (2), a dust removal device (3), a feed inlet (4), a material cutting machine (5), a conveying device (6), a main fan (7) and a discharge opening (8), wherein the conveying device (6) is positioned at one side of the heat pump system (1), the feed inlet (4) is arranged above one side of the conveying device (6), the material cutting machine (5) is arranged inside the feed inlet (4), the dust removal device (3) is arranged above the heat pump system (1), the main fan (7) is arranged above the outer part of the conveying device (6), the conveying device (6) comprises an upper conveying belt (61) and a lower conveying belt (62), and a variable frequency speed reducer (63) is arranged at the opposite side of the upper conveying belt (61) and the lower conveying belt (62), the discharge opening (8) is arranged below the lower conveying belt (62), the discharge opening (8) and the feed opening (4) are located on the same side, and the spraying system (2) is located above the interior of the dust removal device (3).
2. The structure of the novel water-cooled heat pump sludge drying machine according to claim 1, wherein the dust removing device (3) comprises a housing (31), a first fin (32), a second fin (33), a third fin (34), a water baffle (35), a water collecting tank (36), a partition (37) and a baffle (41), the first fin (32) is installed at one end of the left side inside the housing (31), the third fin (34) is installed at one end of the right side inside the housing (31), the second fin (33) is installed below the middle positions of the first fin (32) and the third fin (34), the partition (37) is respectively arranged between the first fin (32) and the second fin (33) and between the second fin (33) and the third fin (34), and a first air cavity (38), a second air cavity (39) and a third air cavity (40) are formed, the water baffle (35) is installed on one side of the partition plate (37) and located right above the third air cavity (40), the water collecting tank (36) is installed at the bottom of the inner side of the shell (31), the baffle (41) is installed above the inner portion of the shell (31), the baffle (41) and the third fin (34) are vertically arranged in a corresponding position to form a connecting hole (411), and the water baffle (35) is installed inside the connecting hole (411).
3. The structure of the novel water-cooled heat pump sludge drying machine according to claim 1, wherein the spraying system (2) comprises a water pump (21), a connecting pipe (22), a spraying pipe (23) and spraying nozzles (24), the spraying pipe (23) is installed above the inside of the housing (31), the upper part of the connecting pipe (22) is connected with the spraying pipe (23), the water pump (21) is installed on one side of the outside of the housing (31), one end of the water pump (21) is connected with the lower part of the connecting pipe (22), the other end of the water pump (21) is connected with a water collecting tank (36), and the spraying nozzles (24) are respectively and uniformly installed on two sides of the spraying pipe (23).
4. The structure of the novel water-cooled heat pump sludge drying machine according to claim 3, wherein the spray nozzle (24) is a spiral nozzle.
5. The structure of the novel water-cooled heat pump sludge dryer according to claim 2, wherein a blowdown valve (9) is arranged on the side of the water collecting tank (36) opposite to the water pump (21).
6. The structure of the novel water-cooled heat pump sludge drying machine according to claim 1, wherein an electric heating device (10) is arranged inside the heat pump system (1), and a total return air dry-wet ball (11) is installed on a return air pipeline of the heat pump system (1).
7. The structure of the novel water-cooled heat pump sludge drying machine according to claim 1, wherein the air inlet of the main blower (7) is connected with the upper shell of the conveying device (6), and the air outlet of the main blower (7) is connected with the first air chamber (38).
8. The structure of the novel water-cooled heat pump sludge drying machine according to claim 2, wherein an air return pipe (311) is arranged outside the housing (31), one end of the air return pipe (311) is communicated with the upper part of the internal baffle (41) of the housing (31), and the other end of the air return pipe (311) is connected with an air return pipeline of the heat pump system (1).
9. The structure of the novel water-cooled heat pump sludge drying machine according to claim 1, wherein an air return bin (14) is arranged at the upper part of the heat pump system (1), a plurality of axial fans (12) are arranged at the side surface of the air return bin (14) and the corresponding position of the conveying device (6), and the axial fans (12) are positioned between the upper conveying belt (61) and the lower conveying belt (62).
10. The structure of the novel water-cooled heat pump sludge drying machine according to claim 2, wherein the first fin (32), the second fin (33) and the third fin (34) are all provided with a heat dissipation pipe (13) inside, and the heat dissipation pipe (13) is connected with a cooling tower.
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| CN112777913A (en) * | 2021-01-11 | 2021-05-11 | 可迪尔能源装备(天津)有限公司 | Mud low temperature mummification water film dust removal testing arrangement |
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Application publication date: 20220121 |