CN112777913A - Mud low temperature mummification water film dust removal testing arrangement - Google Patents
Mud low temperature mummification water film dust removal testing arrangement Download PDFInfo
- Publication number
- CN112777913A CN112777913A CN202110027824.8A CN202110027824A CN112777913A CN 112777913 A CN112777913 A CN 112777913A CN 202110027824 A CN202110027824 A CN 202110027824A CN 112777913 A CN112777913 A CN 112777913A
- Authority
- CN
- China
- Prior art keywords
- heat pump
- water
- dryer
- sludge
- water film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a sludge low-temperature drying water film dedusting test device, and relates to the technical field of sludge treatment.A heat pump condenser is arranged at the inner bottom of a dryer and is positioned between a lower-layer mesh belt and a material distributor in the dryer; the input port of water film deduster link up the setting with the headspace of desiccator, and the delivery outlet and the heat pump regenerator through connection of water film deduster, the delivery outlet and the heat pump evaporator through connection of heat pump regenerator, and the liquid delivery outlet and the water collector in the water film deduster of heat pump evaporator are connected, and the gas delivery outlet and the heat pump regenerator through connection of heat pump evaporator, the gas delivery outlet and the input port through connection of heat pump condenser of heat pump regenerator. The multifunctional dehumidifying heat pump unit has multiple functions of sludge dehumidification, dust removal, desalination, deodorization and the like, shows the capability of the dehumidifying heat pump unit not to be subjected to electrochemical corrosion of acid, alkali, salt and the like for research personnel, marketing personnel and clients, and can test data such as the overall operation reliability time.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to a sludge low-temperature drying water film dedusting testing device.
Background
With the increasing market demand of sludge drying, the low-temperature sludge drying machine is accepted by more and more customers due to the advantages of cleanness, neatness, sealing, no odor emission to the outside and the like. On the basis of fully analyzing the properties of dust and odor released after sludge drying, a water film dedusting technology is developed, and the large and small particle dust, odor gas and high salt gas which are wrapped by wet air are washed once when circulating air circulates through a water film deduster every time, the particles collide with the water film for thousands of times, the particle dust, the odor gas and the high salt gas are taken away in the water film, the high-humidity air washed at an outlet is ensured to be in a clean state, and an evaporator copper pipe and heat exchanger fins are ensured not to be corroded electrochemically any more. Not only ensures that the material is not changed and the service life of the heat pump is not influenced to be prolonged, but also realizes the sealing without odor in the true sense of the low-temperature sludge drier. In order to show a sludge low-temperature drying machine dust removal system to a client, control odor concentration and control the actual data of the heat pump system free from electrochemical corrosion, a sludge low-temperature drying water film dust removal testing device is needed.
Disclosure of Invention
The invention aims to provide a sludge low-temperature drying water film dedusting test device with reasonable design aiming at the defects and shortcomings of the prior art, which has multiple functions of sludge dehumidification, dedusting, desalting, deodorization and the like, shows the capability of a dehumidification heat pump unit not to be subjected to electrochemical corrosion of acid, alkali, salt and the like for research personnel, marketing personnel and clients, and can test data such as the whole operation reliability time and the like.
In order to achieve the purpose, the invention adopts the following technical scheme: the system comprises a centrifugal fan, a circulating fan, a heat pump condenser, a water film dust remover, a heat pump heat regenerator, a heat pump evaporator and a dryer; a heat pump evaporator, a heat pump heat regenerator and a water film dust remover are fixed at the top of the dryer, and a heat pump condenser is arranged at the inner bottom of the dryer and is positioned between a lower mesh belt and a material distributor in the dryer; the input port of the water film dust collector is communicated with the top space of the dryer, the output port of the water film dust collector is communicated with the heat pump heat regenerator, the output port of the heat pump heat regenerator is communicated with the heat pump evaporator, the liquid output port of the heat pump evaporator is connected with a water receiving disc in the water film dust collector, the gas output port of the heat pump evaporator is communicated with the heat pump heat regenerator, the gas output port of the heat pump heat regenerator is communicated with the input port of the heat pump condenser, the output port of the heat pump condenser is communicated with the input port of the centrifugal fan, and the output port of the centrifugal fan is communicated with the air inlet at the bottom of the dryer through a pipeline; the circulating fan is arranged at the bottom in the dryer; the upper part of the lower mesh belt in the dryer is sequentially provided with a middle mesh belt and an upper mesh belt from the right bottom to the top, and the upper mesh belt, the middle mesh belt and the lower mesh belt are distributed in a Z shape.
Furthermore, one side of the drying machine is provided with a discharging machine, and the input end of the discharging machine is communicated with a discharging port in the drying machine.
Furthermore, the water film dust collector also comprises an air inlet, a spray pipe, a water inlet pipe, an air outlet, multi-blade PP plastic hollow balls, a stainless steel shell, a water tank, a circulating water pump, a water outlet pipe, a settling tank and a water drain pipe; the air intake has been seted up to stainless steel casing's lateral wall, the air outlet has been seted up on the stainless steel casing's that is adjacent with the air intake lateral wall, the air outlet upper shield is equipped with stainless steel mesh plate, stainless steel casing is inside to be filled up and is equipped with multi-leaf PP plastics clean shot, the top is equipped with the shower in the stainless steel casing, shower and inlet tube through connection, the other end and the circulating water pump of inlet tube are connected, circulating water pump's input port utilizes pipeline and water tank through connection, utilize the baffle branch to be equipped with the precipitation tank in the water tank, through connection has the outlet pipe on the water tank that is located the precipitation tank bottom, utilize drain pipe and water collector through connection on the water tank that is located.
The working principle of the invention is as follows:
firstly, removing impurities from sludge with various water contents, then sending the sludge into a low-temperature dryer slitter, uniformly distributing the sludge into strips with the thickness of 80mm, then sending the strips into an upper layer mesh belt in a dryer in sequence, sending the strips onto a middle layer mesh belt and a lower layer mesh belt in sequence through Z-shaped transmission, and performing gradient drying layer by layer;
step two, a heat pump condenser, a water film dust collector, a heat pump heat regenerator, a heat pump evaporator and a drying unit are combined into a single air channel system, dry air with the relative humidity of 10-15% is heated to 65-67 ℃, and is sent to the lower mesh belt of the drying machine from an air inlet at the bottom of the drying machine at positive pressure 2000pa through a circulating fan with the speed of 2000-3000 m/h, and uniformly passes through a wet sludge cloth layer with the thickness of 80mm through mesh belt ventilation meshes, and the air speed is 2-3 m/s; because the water film on the surface of the sludge particles and the surrounding air interface have a relative humidity gradient to generate steam partial pressure, the hot air takes out the diffused steam on the surface of the wet sludge, the steam continuously flows to the upper mesh belt, the wet steam of the sludge is continuously taken out, and finally more steam is taken out from the uppermost layer, namely the third layer, and flows through the three mesh belts, the wind speed is reduced to 0.5-1m/s, the temperature of the steam is reduced to 35-45 ℃ layer by layer, and the cumulative relative humidity is 92-98 percent and is close to saturation; the dry air continuously flows through the three layers and carries a large amount of steam, dust, hydrogen sulfide, ammonia gas, acid, alkali, salt and the like;
step three, sucking a large amount of near-saturated steam wrapped with water vapor, dust, hydrogen sulfide, ammonia gas, acid, alkali, salt and the like into an air inlet of a water film dust remover, arranging 3-5 rows of spray pipes at the top of the water film dust remover, spraying uniform water columns to the inner surface and the outer surface of the accumulated multi-leaf PP plastic hollow spheres by 2mm nozzles connected to the spray pipes to form uniform water films, accumulating the water films in each water film dust remover to form a large 300 square meter specific surface area, rapidly absorbing dust and a large amount of foul gases such as ammonia gas, hydrogen sulfide and the like, and discharging the washed clean saturated steam into a heat pump regenerator through a wire mesh demister;
step four, clean air of saturated vapor enters the surface of a heat pump evaporator after heat exchange of a heat pump heat regenerator, the saturated vapor is condensed into condensed water when meeting the condensation, the condensed water is collected by a water receiving disc, enters a precipitation tank through a drain pipe 12 and is finally discharged into a pipe network through a water outlet pipe; the condensed dry air enters a heat pump heat regenerator to absorb heat, then enters the surface of a heat pump condenser to be heated to 65 ℃ for the second time, is sent into the air distribution chamber at the bottom of the dryer through an air inlet at the bottom of the dryer under the negative pressure suction effect of a centrifugal fan, is distributed with air at an upward uniform positive pressure of 2000pa, flows through the mesh plate at the lowest layer and the sludge material layer, continues to flow through the mesh belt at the upper layer to carry out water vapor on the surface of sludge particles, reaches the third layer, flows through the water film dust collector to carry out water vapor with relative humidity of 92-98% close to saturation, enters a heat pump, and circulates in a reciprocating manner.
After adopting the structure, the invention has the beneficial effects that: the invention provides a sludge low-temperature drying water film dust removal testing device which has multiple functions of sludge dehumidification, dust removal, desalination, deodorization and the like, shows the capability of a dehumidification heat pump unit not to be subjected to electrochemical corrosion of acid, alkali, salt and the like for research personnel, marketing personnel and clients, and can test data such as the reliability time of the whole operation.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram showing the construction of a water dust scrubber according to the present invention.
Description of reference numerals:
the device comprises a centrifugal fan 1, an upper-layer mesh belt 2, a middle-layer mesh belt 3, a lower-layer mesh belt 4, a material distributor 5, a circulating fan 6, a material outlet machine 7, a heat pump condenser 8, a water film dust collector 9, an air inlet 9-1, a spray pipe 9-2, a water inlet pipe 9-3, an air outlet 9-4, multi-blade PP plastic hollow balls 9-5, a stainless steel shell 9-6, a water pan 9-7, a water tank 9-8, a circulating water pump 9-9, a water outlet pipe 9-10, a settling tank 9-11, a water outlet pipe 9-12, a heat pump heat regenerator 10, a heat pump evaporator 11 and a dryer 12.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: the system comprises a centrifugal fan 1, a circulating fan 6, a heat pump condenser 8, a water film dust remover 9, a heat pump heat regenerator 10, a heat pump evaporator 11 and a dryer 12; a heat pump evaporator 11, a heat pump heat regenerator 10 and a water film dust collector 9 are fixed at the top of the dryer 12, and a heat pump condenser 8 is arranged at the inner bottom of the dryer 12 and is positioned between the lower mesh belt 4 and the distributing machine 5 in the dryer 12; the water film deduster 9 comprises an air inlet 9-1, a spray pipe 9-2, a water inlet pipe 9-3, an air outlet 9-4, multi-blade PP plastic hollow balls 9-5, a stainless steel shell 9-6, a water pan 9-7, a water tank 9-8, a circulating water pump 9-9, a water outlet pipe 9-10, a settling tank 9-11 and a water outlet pipe 9-12; an air inlet 9-1 is formed in the side wall of a stainless steel shell 9-6, an air outlet 9-4 is formed in the side wall of the stainless steel shell 9-6 adjacent to the air inlet 9-1, a stainless steel screen plate is covered on the air outlet 9-4, multi-blade PP plastic hollow balls 9-5 are filled in the stainless steel shell 9-6, a spray pipe 9-2 is arranged at the top of the stainless steel shell 9-6, the spray pipe 9-2 is communicated with an inlet pipe 9-3, the other end of the inlet pipe 9-3 is connected with a circulating water pump 9-9, an input port of the circulating water pump 9-9 is communicated with a water tank 9-8 through a pipeline, a sedimentation tank 9-11 is formed in the water tank 9-8 through a partition plate, a water outlet pipe 9-10 is communicated with the water tank 9-8 at the bottom of the sedimentation tank 9, a water tank 9-8 positioned at the top of the settling tank 9-11 is communicated with a water receiving tray 9-7 by using a water discharging pipe 9-12, and the water receiving tray 9-7 is fixed at the top of the stainless steel shell 9-6; the air inlet 9-1 is communicated with the top space of the dryer 12, the air outlet 9-4 is communicated with the heat pump heat regenerator 10, the output port of the heat pump heat regenerator 10 is communicated with the heat pump evaporator 11, and the liquid output port of the heat pump evaporator 11 is connected with the water pan 9-7 in the water film dust collector 9; the gas output port of the heat pump evaporator 11 is communicated with the heat pump heat regenerator 10, the gas output port of the heat pump heat regenerator 10 is communicated with the input port of the heat pump condenser 8, the output port of the heat pump condenser 8 is communicated with the input port of the centrifugal fan 1, and the output port of the centrifugal fan 1 is communicated with the air inlet at the bottom of the dryer 12 by a pipeline; the circulating fan 6 is arranged at the bottom in the dryer 12; a middle layer mesh belt 3 and an upper layer mesh belt 2 are sequentially arranged above the lower layer mesh belt 4 in the drying machine 12 from the right lower part to the upper part, and the upper layer mesh belt 2, the middle layer mesh belt 3 and the lower layer mesh belt 4 are distributed in a Z shape; one side of the dryer 12 is provided with a discharging machine 7, and the input end of the discharging machine 7 is communicated with the discharging port in the dryer 12.
The working principle of the specific embodiment is as follows:
firstly, removing impurities from sludge with various water contents, then sending the sludge into a low-temperature drying machine slitter, uniformly slitting the sludge into strips, uniformly distributing the sludge with the thickness of 80mm, then sending the sludge onto an upper mesh belt 2 in a dryer 12 in sequence, sending the sludge onto a middle mesh belt 3 and a lower mesh belt 4 in sequence through Z-shaped transmission, and performing gradient drying layer by layer;
step two, combining a heat pump condenser 8, a water film dust collector 9, a heat pump heat regenerator 10, a heat pump evaporator 11 and a dryer 12 into a single air duct system, heating dry air with the relative humidity of 10-15% to 65-67 ℃, carrying out thin film evaporation by a circulating fan 6 at 2000-3000 m/h from an air inlet at the bottom of the dryer 12 to the position below a lower mesh belt 4 in the dryer 12 at positive pressure 2000pa, and uniformly passing through a wet sludge cloth layer with the thickness of 80mm through mesh belt ventilation holes at the wind speed of 2-3 m/s; because the water film on the surface of the sludge particles and the surrounding air interface have a relative humidity gradient to generate steam partial pressure, the hot air takes out the diffused steam on the surface of the wet sludge, the steam continuously flows to the upper mesh belt, the wet steam of the sludge is continuously taken out, and finally more steam is taken out from the uppermost layer, namely the third layer, and flows through the three mesh belts, the wind speed is reduced to 0.5-1m/s, the temperature of the steam is reduced to 35-45 ℃ layer by layer, and the cumulative relative humidity is 92-98 percent and is close to saturation; the dry air continuously flows through the three layers and carries a large amount of steam, dust, hydrogen sulfide, ammonia gas, acid, alkali, salt and the like;
step three, sucking the wrapped and carried large amount of nearly saturated steam such as steam, dust, hydrogen sulfide, ammonia gas, acid, alkali and salt and the like into an air inlet 9-1 of a water film dust remover 9, arranging 3-5 rows of spray pipes 9-2 at the top of the water film dust remover 9, spraying uniform water columns from 2mm nozzles connected to the spray pipes 9-2 to the inner and outer surfaces of the accumulated multi-blade PP plastic hollow spheres 9-5 to form uniform water films, accumulating the huge specific surface area of 300 square meters by water films in each water film dust remover 9, rapidly absorbing the dust and large amount of foul gases such as ammonia gas, hydrogen sulfide and the like, and discharging the washed clean saturated steam into a heat pump regenerator 10 through a wire mesh demister;
step four, clean air of saturated vapor enters the surface of a heat pump evaporator 11 after heat exchange of a heat pump heat regenerator 10, the saturated vapor is condensed into condensed water when meeting condensation, the condensed water is collected by a water pan 9-7, enters a precipitation tank 9-11 through a drain pipe 12, and finally is discharged into a pipe network through a water outlet pipe 9-10; the condensed dry air enters a heat pump heat regenerator 10 to absorb heat, then enters the surface of a heat pump condenser 8 to be heated to 65 ℃ for the second time, is sent into the air distribution chamber at the lowest part of the dryer 12 through the air inlet at the bottom of the dryer 12 under the negative pressure suction action of the centrifugal fan 1, is distributed with air at the upward uniform positive pressure of 2000pa, flows through the mesh plate at the lowest layer and the sludge material layer, continues to flow through the mesh belt at the upper layer to carry out the surface vapor of sludge particles, reaches the third layer to carry out the relative humidity of the vapor to 92-98% and is close to saturation, passes through a water film dust collector, enters a heat pump, and circulates in a reciprocating manner.
After adopting the structure, the invention has the beneficial effects that: the invention provides a sludge low-temperature drying water film dust removal testing device which has multiple functions of sludge dehumidification, dust removal, desalination, deodorization and the like, shows the capability of a dehumidification heat pump unit not to be subjected to electrochemical corrosion of acid, alkali, salt and the like for research personnel, marketing personnel and clients, and can test data such as the reliability time of the whole operation.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a mud low temperature mummification water film dust removal testing arrangement which characterized in that: the system comprises a centrifugal fan (1), a circulating fan (6), a heat pump condenser (8), a water film deduster (9), a heat pump heat regenerator (10), a heat pump evaporator (11) and a dryer (12); a heat pump evaporator (11), a heat pump heat regenerator (10) and a water film dust remover (9) are fixed at the top of the dryer (12), and a heat pump condenser (8) is arranged at the inner bottom of the dryer (12) and is positioned between a lower mesh belt (4) and a material distributor (5) in the dryer (12); an input port of the water film dust collector (9) is communicated with the top space of the dryer (12), an output port of the water film dust collector (9) is communicated with a heat pump heat regenerator (10), an output port of the heat pump heat regenerator (10) is communicated with a heat pump evaporator (11), a liquid output port of the heat pump evaporator (11) is connected with a water receiving tray (9-7) in the water film dust collector (9), a gas output port of the heat pump evaporator (11) is communicated with the heat pump heat regenerator (10), a gas output port of the heat pump heat regenerator (10) is communicated with an input port of a heat pump condenser (8), an output port of the heat pump condenser (8) is communicated with an input port of the centrifugal fan (1), and an output port of the centrifugal fan (1) is communicated with an air inlet at the bottom of the dryer (12) by a pipeline; the circulating fan (6) is arranged at the bottom in the dryer (12); the middle layer mesh belt (3) and the upper layer mesh belt (2) are sequentially arranged above the lower layer mesh belt (4) in the dryer (12) from the right lower part to the upper part, and the upper layer mesh belt (2), the middle layer mesh belt (3) and the lower layer mesh belt (4) are distributed in a Z shape.
2. The device for testing the dust removal of the sludge low-temperature drying water film according to claim 1, which is characterized in that: one side of the dryer (12) is provided with a discharging machine (7), and the input end of the discharging machine (7) is communicated with the discharging port in the dryer (12).
3. The device for testing the dust removal of the sludge low-temperature drying water film according to claim 1, which is characterized in that: the water film dust collector (9) further comprises an air inlet (9-1), a spray pipe (9-2), a water inlet pipe (9-3), an air outlet (9-4), multi-blade PP plastic hollow balls (9-5), a stainless steel shell (9-6), a water tank (9-8), a circulating water pump (9-9), a water outlet pipe (9-10), a settling tank (9-11) and a water outlet pipe (9-12); an air inlet (9-1) is formed in the side wall of a stainless steel shell (9-6), an air outlet (9-4) is formed in the side wall of the stainless steel shell (9-6) adjacent to the air inlet (9-1), a stainless steel screen plate is covered on the air outlet (9-4), multi-blade PP plastic hollow balls (9-5) are filled in the stainless steel shell (9-6), a spray pipe (9-2) is arranged at the top of the stainless steel shell (9-6), the spray pipe (9-2) is in through connection with a water inlet pipe (9-3), the other end of the water inlet pipe (9-3) is connected with a circulating water pump (9-9), an input port of the circulating water pump (9-9) is in through connection with a water tank (9-8) through a pipeline, sedimentation tanks (9-11) are formed in the water tank (9-8) through partition plates, a water outlet pipe (9-10) is connected on the water tank (9-8) positioned at the bottom of the sedimentation tank (9-11) in a run-through way, the water tank (9-8) positioned at the top of the sedimentation tank (9-11) is connected with a water receiving disc (9-7) in a run-through way by using a water outlet pipe (9-12), and the water receiving disc (9-7) is fixed at the top of the stainless steel shell (9-6).
4. The device for testing the dust removal of the sludge low-temperature drying water film according to claim 1, which is characterized in that: the working principle is as follows:
step one, removing impurities from sludge with various water contents, sending the sludge into a low-temperature drying machine slitter, uniformly distributing the sludge with the thickness of 80mm in slitting, sequentially sending the sludge onto an upper layer mesh belt (2) in a dryer (12), sequentially sending the sludge onto a middle layer mesh belt (3) and a lower layer mesh belt (4) through Z-shaped transmission, and performing gradient drying layer by layer;
step (II), combining a heat pump condenser (8), a water film dust collector (9), a heat pump heat regenerator (10), a heat pump evaporator (11) and a dryer (12) into a single air duct system, heating dry air with the relative humidity of 10-15% to 65-67 ℃ by the heat pump condenser (8), carrying out power transmission through a circulating fan (6) at 2000-3000 m/h, sending the dry air into the lower layer mesh belt (4) in the dryer (12) from an air inlet at the bottom of the dryer (12) at positive pressure 2000pa, and uniformly passing through a wet sludge cloth layer with the thickness of 80mm through mesh belt ventilation holes, wherein the air speed is 2-3 m/s; because the water film on the surface of the sludge particles and the surrounding air interface have a relative humidity gradient to generate steam partial pressure, the hot air takes out the diffused steam on the surface of the wet sludge, the steam continuously flows to the upper mesh belt, the wet steam of the sludge is continuously taken out, and finally more steam is taken out from the uppermost layer, namely the third layer, and flows through the three mesh belts, the wind speed is reduced to 0.5-1m/s, the temperature of the steam is reduced to 35-45 ℃ layer by layer, and the cumulative relative humidity is 92-98 percent and is close to saturation; the dry air continuously flows through the three layers and carries a large amount of steam, dust, hydrogen sulfide, ammonia gas, acid, alkali, salt and the like;
absorbing a large amount of nearly saturated steam such as steam, dust, hydrogen sulfide, ammonia gas, acid, alkali and salt and the like wrapped and carried in the water film into an air inlet (9-1) of a water film dust remover (9), arranging 3-5 rows of spray pipes (9-2) at the top of the water film dust remover (9), spraying uniform water columns from 2mm nozzles connected to the spray pipes (9-2) to the inner and outer surfaces of the accumulated multi-blade PP plastic hollow spheres (9-5) to form uniform water films, accumulating the water films in each water film dust remover (9) to 300 square meters of specific surface area, rapidly absorbing dust and a large amount of malodorous gas such as ammonia gas, hydrogen sulfide and the like, and discharging the washed clean saturated steam into a heat pump heat regenerator (10) through a wire mesh demister;
step four, clean air of saturated vapor enters the surface of a heat pump evaporator (11) after heat exchange of a heat pump heat regenerator (10), the saturated vapor is condensed into condensate water when meeting the condensation, the condensate water is collected by a water receiving disc (9-7), enters a settling tank (9-11) through a drain pipe (12), and finally is discharged into a pipe network through a water outlet pipe (9-10); the condensed dry air enters a heat pump heat regenerator (10) to absorb heat, then enters the surface of a heat pump condenser (8) to be heated to 65 ℃ for the second time, is sent into a bottommost air distribution chamber of a dryer (12) through an air inlet at the bottom of the dryer (12) under the negative pressure suction action of a centrifugal fan (1), is uniformly distributed with air at the positive pressure of 2000pa upwards, flows through a bottommost screen plate and a sludge material layer, continues to flow through an upper layer of screen belt to carry out water vapor on the surface of sludge particles, reaches a third layer of flow-through air to bring out water vapor with the relative humidity of 92-98% close to saturation, passes through a water film dust collector, enters a heat pump, and circulates in a reciprocating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110027824.8A CN112777913A (en) | 2021-01-11 | 2021-01-11 | Mud low temperature mummification water film dust removal testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110027824.8A CN112777913A (en) | 2021-01-11 | 2021-01-11 | Mud low temperature mummification water film dust removal testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112777913A true CN112777913A (en) | 2021-05-11 |
Family
ID=75756283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110027824.8A Pending CN112777913A (en) | 2021-01-11 | 2021-01-11 | Mud low temperature mummification water film dust removal testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112777913A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955917A (en) * | 2021-11-24 | 2022-01-21 | 江苏天舒电器有限公司 | Novel structure of water-cooled heat pump sludge drying machine |
| CN114291995A (en) * | 2021-12-27 | 2022-04-08 | 中科鼎实环境工程有限公司 | Sludge dewatering and drying device and construction method |
| CN115521041A (en) * | 2022-09-21 | 2022-12-27 | 广东吉康环境系统科技有限公司 | Sludge low-temperature drying and deodorizing system and control method |
-
2021
- 2021-01-11 CN CN202110027824.8A patent/CN112777913A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955917A (en) * | 2021-11-24 | 2022-01-21 | 江苏天舒电器有限公司 | Novel structure of water-cooled heat pump sludge drying machine |
| CN114291995A (en) * | 2021-12-27 | 2022-04-08 | 中科鼎实环境工程有限公司 | Sludge dewatering and drying device and construction method |
| CN115521041A (en) * | 2022-09-21 | 2022-12-27 | 广东吉康环境系统科技有限公司 | Sludge low-temperature drying and deodorizing system and control method |
| CN115521041B (en) * | 2022-09-21 | 2023-09-22 | 佛山吉康智能设备制造有限公司 | Sludge low-temperature drying deodorization system and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112777913A (en) | Mud low temperature mummification water film dust removal testing arrangement | |
| CN105042726B (en) | A kind of internally cooled falling-film plate type dehumidifier | |
| CN112777901A (en) | Sludge low-temperature belt type drying system | |
| CN205182478U (en) | Device of flue gas super -heated rate behind improvement wet flue gas desulfurization | |
| CN210107949U (en) | Fruit vegetables drying device | |
| CN109351117A (en) | A kind of wet flue gas demisting and water saving integrated apparatus | |
| CN101368798A (en) | Gas-gas heat exchange purifier for waste heat air heat pipe of heat-setting machine | |
| CN102674491B (en) | Seawater desalination device | |
| CN207270730U (en) | Evaporating, concentrating and crystallizing system | |
| CN214693847U (en) | Mud low temperature mummification water film dust removal testing arrangement | |
| CN214300905U (en) | Shell structure of clothes dryer moisture removing device, moisture removing device and clothes dryer | |
| WO2021097760A1 (en) | Sludge drying device with spraying and dust removal functions | |
| CN214693829U (en) | Sludge low-temperature belt type drying system | |
| CN207160133U (en) | The air water fetching device that multistage runner and refrigerating plant combine | |
| CN107036407A (en) | Natural dehumidifying drying system | |
| CN114804578A (en) | Water film dust removal system of sludge low-temperature belt type drying machine | |
| CN109812913A (en) | Indirect evaporation internally-cooled solution fresh air dehumidification device | |
| CN105180316B (en) | Electrostatic field freezes haze heating plant | |
| CN113566552A (en) | Heat recovery drying airflow duct structure | |
| RU150526U1 (en) | SALT WATER TREATMENT PLANT | |
| CN108826483A (en) | Sensible dehumidification clearing machine | |
| CN209286999U (en) | A kind of organic exhaust gas dehumidification equipment | |
| CN217677257U (en) | Water film dust removal system of sludge low-temperature belt type drying machine | |
| CN202328529U (en) | Labyrinth-type rectifying solution refrigerating and dehumidifying device | |
| CN220802423U (en) | Pulse type efficient filter cylinder dust removal device for sludge drying equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220520 Address after: 065200 industrial new area, liqizhuang Town, Sanhe City, Langfang City, Hebei Province Applicant after: Cordier Environmental Technology (Hebei) Co.,Ltd. Address before: Room 103, 3 / F, complex building, 1065 Huashan Road, Tanggu Marine Science Park, Binhai New Area, Tianjin Applicant before: Kedil energy equipment (Tianjin) Co.,Ltd. |
|
| TA01 | Transfer of patent application right |