CN209116697U - A kind of energy-saving enclosed heat pump sludge drying dehumidification equipment - Google Patents
A kind of energy-saving enclosed heat pump sludge drying dehumidification equipment Download PDFInfo
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- CN209116697U CN209116697U CN201821764920.0U CN201821764920U CN209116697U CN 209116697 U CN209116697 U CN 209116697U CN 201821764920 U CN201821764920 U CN 201821764920U CN 209116697 U CN209116697 U CN 209116697U
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Abstract
The utility model discloses a kind of energy-saving enclosed heat pump sludge drying dehumidification equipment, belong to drying sludge technical field.A kind of energy-saving enclosed heat pump sludge drying dehumidification equipment of the utility model, comprising: wet mud molding equipment, drying room, humid air cycle blower, heat pump dehumidifier, condensed water catch basin, heated dry air circulating fan, dewatered sludge conveying equipment, conveying device, evaporator, condenser；The utility model is by increasing surface air cooler and cooling tower, intelligent flow valve control system, U-shaped heat exchange of heat pipe, and make part circulated air by U-tube heat exchanger, surface air cooler and evaporator when designing, the substantially moisture removal of unit, keep the wet-out property ratio of unit higher, and air is recycled in drying room and heat pump dehumidifier, emission-free discharge avoids the pollution to environment.
Description
Technical field
The present invention relates to a kind of energy-saving enclosed heat pump sludge drying dehumidification equipment, belong to drying sludge technical field.
Background technique
Sludge is the inevitable outcome after sewage treatment plant and sewage plant sewage treatment, without the dirt of perfect processing disposition
After mud enters environment, secondary pollution directly can be caused to water body and atmosphere, constituted a threat to ecological environment.Sludge drying dehumidification is set
It is standby be it is a kind of flow through Sludge Surface using high temperature dry air and sludge carries out hot and humid area, make in sludge absorption high temperature dry air
Heat after moisture constantly evaporate, while the equipment that the air that is flowed through of vapor is taken away；Its working principle is that: blower is by environment
In air sucking, be sent into firing chamber after pressurization, after the wet heating such as firing chamber, become high temperature dry air, the high temperature after heating
Dry air enters mud drying chamber, becomes the higher humid air of water capacity with drying after indoor sludge carries out hot and humid area, wet
Air drying room outlet drain so recycles into atmosphere, eliminates most moisture in sludge.
The current sludge drying dehumidification equipment in China is mainly the following pattern: one is the thermal energy of heating room to be added by electricity
Heat pipe provides, and directly converts electrical energy into thermal energy, the advantages of sludge drying dehumidification equipment of the pattern be it is simple and reliable, to blower
And heating room does not have particular/special requirement, the disadvantage is that energy consumption is high, operating cost is high, and air flows through after mud drying chamber by sludge pollution,
If direct emission, atmosphere can be polluted, the air capacity that need to be handled is too big, and cost is too high if discharged after processing；One is heating
The advantages of thermal energy of room is provided by high-temperature steam or hot water by heat exchanger, the sludge drying dehumidification equipment of the pattern be it is reliable and
Equipment is simpler, does not have particular/special requirement to blower and heating room, the disadvantage is that energy consumption is larger, need to there is vapour source or thermal water source, run
Higher cost, air flow through after mud drying chamber by sludge pollution, if direct emission, can pollute atmosphere, if processing heel row
Put that the air capacity that need to be handled is too big, and cost is too high.
Therefore, it needs to have developed a kind of new sludge drying apparatus.
Summary of the invention
To overcome existing sludge drying dehumidification equipment energy consumption big, operating cost is high, pollutes the problem of environment, and the present invention passes through
Increase U-tube heat exchanger, surface air cooler and evaporator and solves the disadvantage that existing sludge drying dehumidification equipment.
The first purpose of the invention is to provide a kind of enclosed heat pump sludge drying dehumidification equipment, comprising: drying room, wet sky
Gas circulating fan, heat pump dehumidifier, heated dry air circulating fan, conveying device；The humid air cycle blower, heat-pump dehumidification
Machine, heated dry air circulating fan are cascaded；
The wet mud is transported in conveying device, and conveying device conveys wet mud, wet mud and baking in drying room
Dry chamber heated dry air carries out hot and humid area, after hot and humid area is repeated with air on a conveyor in wet mud, becomes aqueous
Lesser dewatered sludge is measured, drying room is discharged from conveying device tail end in dewatered sludge, and heated dry air becomes low temperature humid air in drying room,
Humid air cycle blower pumps low temperature humid air in drying room to heat pump dehumidifier；Heat pump dehumidifier heats low temperature humid air
Dehumidifying, low temperature humid air become heated dry air, and heated dry air circulating fan, which pumps heated dry air to drying room, to be continued and wet dirt
Mud carries out hot and humid area.
In one embodiment, heat pump dehumidifier includes evaporator, surface air cooler, cooling tower, condenser, compressor, table
Cooler and cooling tower are set to before evaporator, and compressor is connected with evaporator and condenser respectively, humid air cycle blower, table
Cooler, cooling tower, condenser, evaporator, heated dry air circulating fan are sequentially connected；Surface air cooler is compressor, humid air cycle
Waste heat caused by the electrical equipments wasted works such as blower, heated dry air circulating fan is taken away, and is scattered in atmosphere by cooling tower,
First cool down to humid air, improves moisture removal；The low temperature humid air come out from drying room, by cool-down dehumidification, is dropped through evaporator surface
Low temperature humid air after temperature dehumidifying becomes the lower heated dry air of relative humidity after the wet heating such as condenser.
In one embodiment, including wet mud molding equipment, wet mud molding equipment are connect with drying room, wet mud
Molding equipment is located at the front end of conveying device；Wet mud is squeezed into after stripe shape feeding conveyer again by wet mud molding equipment,
The exchange rate of wet mud can be improved.
In one embodiment, conveying device includes first layer sludge tiling mesh belt, second layer sludge tiling mesh belt, and the
One layer of sludge tiling net is located at second layer sludge tiling mesh belt top, and the tail end and second layer sludge of first layer sludge tiling net are flat
The front end of lapping is connected, and first layer sludge tiling net is opposite with the rotation direction of second layer sludge tiling net；Wet mud molding is set
Standby wet mud is squeezed into after stripe shape feeds first layer sludge tiling mesh belt first, as first layer sludge tiling mesh belt is mobile,
The heated dry air of wet mud and surrounding carries out hot and humid area, the moisture evaporation of Sludge Surface, and the moisture content inside wet mud is to wet dirt
Mud surface penetration, the wet mud surface moisture contacted at this time with air is lower than wet mud interior humidity, and sludge is through first layer sludge
Tiling net tail end enters second layer sludge tiling net, because of the rotation direction of first layer sludge tiling net and second layer sludge tiling net
On the contrary, directly being contacted with air in the wet mud that the tiling of second layer sludge can not directly contact on the net with air, through first layer dirt
The dewatered sludge that the wet mud for the hot and humid area that mud tiling net has carried out becomes can be overturn, and dewatered sludge can be located at wet mud lower part,
Efficiency of damp and hot exchanging can be substantially provided, sludge Drying Rates are improved.
In one embodiment, cooling tower includes cooling water inlet and cooling water outlet, and heat pump dehumidifier includes condensation
Water catch basin；Cooling water after exchanging heat, is discharged through cooling water inlet from cooling water outlet；Low temperature humid air stream is through evaporator surface
By cool-down dehumidification, the part moisture content in low temperature humid air condenses into condensed water and is collected into condensed water catch basin.
In one embodiment, the surface air cooler or cooling tower are provided with intelligent flow valve control system, cold according to table
The surface air cooler or cooling tower of the pressure size of device or cooling tower automatic adjustment set water flow, to guarantee that heat pump sludge drying dehumidification is set
Standby self-energy conservation, keeps the temperature of circulation air throughout relatively stable, unit is made to be applicable to different environment temperatures, make to dry
The water condensation amount done in indoor evaporated quantity of water and heat pump dehumidifier improves as far as possible.
In one embodiment, U-shaped heat pipe heat exchanging is provided between the evaporator and surface air cooler of the heat pump dehumidifier
Device, U type heat exchange of heat pipe includes evaporation side and condensation side；The low temperature humid air that drying room comes out first passes through U-shaped heat exchange of heat pipe
Evaporation side, the refrigerant liquid evaporation endothermic in U-shaped heat exchange of heat pipe, absorption flows through humid air on the outside of U-shaped heat exchange of heat pipe
Heat, give Low Temperature Wet air cooling-down, again pass through surface air cooler and evaporator cool-down dehumidification, cool-down dehumidification after Low Temperature Wet air cooling-down
Cryogenic air afterwards flows through the condensation side of U-shaped heat pipe, absorbs the heat heating in U-shaped heat exchange of heat pipe condensation side refrigerant, U-shaped
The evaporation side and condensation side of heat exchange of heat pipe are in heat pump dehumidifier, heat that U-shaped heat exchange of heat pipe evaporation side absorbs and U-shaped
The heat of heat exchange of heat pipe condensation side release is equal, and unit does not have extra power consumption, increases heat pipe in unit equipment, does not influence heat
Balance.
In one embodiment, heat pump dehumidifier includes interior circulating fan, interior circulating fan and U-tube heat exchanger, table
Cooler and evaporator are connected；Internal circulating fan extraction section circulated air, circulated air pass through U-tube heat exchanger, surface air cooler and steaming
Device is sent out, keeps unit moisture removal under certain cooling capacity bigger；Although the humid air water capacity come out from drying room is higher, do not have far
Reach saturation, although the cooling of the evaporation side by surface air cooler and U-shaped heat exchange of heat pipe, is still not achieved dew-point temperature, in order to make
The humid air come out from drying room is divided into two parts by refrigeration unit dehumidifying as much as possible under certain refrigerating capacity, and one
After lease making is crossed and surface air cooler cools down in advance, then through refrigeration unit evaporator cool-down dehumidification, since surface air cooler can only be compressor, blower
Etc. waste heat caused by electrical equipments wasted work take away, so the heat exchange amount of surface air cooler be it is constant, make a part circulation empty
Air-flow can flow through the circulation air of surface air cooler closer to dew-point temperature, the refrigerating capacity of refrigeration unit is made to lack portion through surface air cooler
Divide the cooling with air, is mostly used in the condensation of water vapour, effectively increases the moisture removal of unit, make the wet-out property of unit
Than higher.
In one embodiment, second layer sludge tiling net tail portion is provided with dewatered sludge conveying equipment, drying operation
Wet mud afterwards becomes dewatered sludge, and dewatered sludge enters dewatered sludge conveying equipment from second layer sludge tiling net tail portion, through dewatered sludge
Conveying equipment is transported to specified place.
Advantages of the present invention and effect:
The invention has the following advantages that
1. increasing surface air cooler and cooling tower before the evaporator of heat pump warm removing mechine, surface air cooler is compressor, humid air cycle wind
Waste heat caused by the electrical equipments wasted works such as machine, heated dry air circulating fan is taken away；Waste heat is scattered to greatly by cooling tower
In gas, realizes that humid air first cools down, ensure that the temperature of heat pump sludge drying dehumidification machine inner circulating air throughout is relatively stable
While, effectively improve moisture removal.
2. be equipped with intelligent flow valve control system in the water lines between cooling tower and surface air cooler, according to surface air cooler or cold
But the aperture of the pressure size automatic adjustment intelligent flow valve control system of tower, guarantees heat pump sludge drying dehumidification equipment self-energy
Weighing apparatus is kept, keeps the temperature of circulation air throughout relatively stable, unit is made to be applicable to different environment temperatures, make to dry indoor
Water condensation amount in evaporated quantity of water and heat pump dehumidifier improves as far as possible.
3. U-shaped heat exchange of heat pipe is arranged, the Cryogenic air after cool-down dehumidification flows through the condensation side of U-shaped heat pipe, absorbs U-shaped heat
Heat in heat exchange of heat pipe condensation side refrigerant, Cryogenic air heating；Since the evaporation side and condensation side of U-shaped heat exchange of heat pipe are equal
In heat pump dehumidifier, the heat phase of heat and the release of U-shaped heat exchange of heat pipe condensation side that U-shaped heat exchange of heat pipe evaporation side absorbs
There is no extra power consumption Deng, unit, increase heat pipe in unit equipment, do not influence heat balance, reduces energy consumption.
4. heat pump dehumidifier includes interior circulating fan, internal circulating fan extraction section circulated air, circulated air passes through U-tube
Heat exchanger, surface air cooler and evaporator keep unit moisture removal under certain cooling capacity bigger, keep the wet-out property ratio of unit higher.
5. air is recycled in drying room and heat pump dehumidifier, emission-free discharge, the pollution to environment is avoided, is had
There is environmental protection；Heat energy source needed for sludge moisture evaporation is removed in the condensation heat of air conditioner and heat pump unit in unit drying room
Wet performance ratio can save energy up to 3kg water/(kWh), opposite traditional sludge drying dehumidification (with coal-fired manufacture hot water or steam)
40%, opposite traditional sludge drying dehumidification (with electric heating direct-furnish heat) is saved more, has the advantages that energy conservation；Circulation is empty in unit
Temperature degree is run under lower temperature (40~75 DEG C), can inhibit escaping gas volatilization, and safety is good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Fig. 1 enclosed heat pump sludge drying dehumidification equipment working principle diagram.
Figure label: 1- condensed water catch basin, 2- cooling water inlet, 3- cooling water outlet, 4- heat pump dehumidifier, 5-U type
Heat exchange of heat pipe, 6- surface air cooler, 7- evaporator, 8- condenser, 9- compressor, 10- heated dry air circulating fan, 11- drying room,
12- first layer sludge tiling mesh belt, 13- second layer sludge tiling mesh belt, 14- humid air cycle blower, the molding of 15- wet mud
Equipment, 16- dewatered sludge conveying equipment；
Specific embodiment
The technical solution of invention is described in detail with reference to the accompanying drawing:
Embodiment one
As shown in Figure 1, a kind of enclosed heat pump sludge drying dehumidification equipment, wet mud in drying room 11 and heated dry air into
The damp and hot exchange of row, wet mud become dewatered sludge, and heated dry air becomes humid air.
Further, wet mud is squeezed into stripe shape and is uniformly laid in first layer sludge and put down by wet mud molding equipment 15
In lapping 12, as first layer sludge tiling 12 band 12 of net is mobile, the heated dry air of wet mud and surrounding carries out hot and humid area,
The moisture of Sludge Surface evaporates, and the moisture inside wet mud is to wet mud surface penetration, the wet mud table that contacts at this time with air
Surface humidity is lower than wet mud interior humidity, and sludge enters second layer sludge tiling net 13 through first layer sludge tiling 12 tail end of net,
Because of the rotation direction of first layer sludge tiling net 12 and second layer sludge tiling net 13 on the contrary, on second layer sludge tiling net 13
The wet mud that can not directly contact with air is directly contacted with air, the wet friendship of heat carried out through first layer sludge tiling net 12
The dewatered sludge that the wet mud changed becomes can be overturn, and dewatered sludge can be located at wet mud lower part.
Further, second layer sludge tiling 13 tail portion of net is provided with dewatered sludge conveying equipment 16, and drying is post-job
Wet mud becomes dewatered sludge, and dewatered sludge enters dewatered sludge conveying equipment 16 from second layer sludge tiling 13 tail portion of net, through dewatered sludge
Conveying equipment 16 is transported to specified place.
Further, drying room 11, humid air cycle blower 14, heat pump dehumidifier 4, heated dry air circulating fan 10 are connected
Together, the circulation of air is realized；
Further, heat pump dehumidifier 4 includes evaporator 7, surface air cooler 6, cooling tower, condenser 8, compressor 9, surface air cooler
Waste heat caused by the electrical equipments wasted works such as 6 compressors 9, humid air cycle blower 14, heated dry air circulating fan 10
It takes away, is scattered in atmosphere by cooling tower, first cooled down to humid air, improve moisture removal；The Low Temperature Wet come out from drying room 11 is empty
Gas, by cool-down dehumidification, becomes opposite after the wet heating such as condenser 8 by the low temperature humid air after cool-down dehumidification through 7 surface of evaporator
The lower heated dry air of humidity.
Further, wet mud is squeezed into after stripe shape feeding conveyer again by wet mud molding equipment 15, can be improved
The exchange rate of wet mud.
Further, cooling tower includes cooling water inlet 2 and cooling water outlet 3, and heat pump dehumidifier 4 catchments including condensed water
Slot 1；Cooling water after exchanging heat, is discharged through cooling water inlet 2 from cooling water outlet 3；Low temperature humid air stream is through 7 surface quilt of evaporator
Cool-down dehumidification, the partial moisture in low temperature humid air condense into condensed water and are collected into condensed water catch basin 1.
Further, the surface air cooler 6 or cooling tower are provided with intelligent flow valve control system, according to surface air cooler 6 or cold
But the surface air cooler 6 or cooling tower of the pressure size automatic adjustment of tower set water flow, to guarantee in heat pump sludge drying dehumidification equipment
Energy conservation.
Further, U-shaped heat exchange of heat pipe 5, U is provided between the evaporator 7 and surface air cooler 6 of the heat pump dehumidifier 4
Type heat exchange of heat pipe 5 includes evaporation side and condensation side；The low temperature humid air that drying room 11 comes out first passes through U-shaped heat exchange of heat pipe 5
Evaporation side, the refrigerant liquid evaporation endothermic in U-shaped heat exchange of heat pipe 5, absorption flows through the U-shaped 5 wet sky in outside of heat exchange of heat pipe
The heat of gas gives Low Temperature Wet air cooling-down, again passes through 7 cool-down dehumidification of surface air cooler 6 and evaporator after Low Temperature Wet air cooling-down, cools down
Cryogenic air after dehumidifying flows through the condensation side of U-shaped heat pipe, absorbs the heat liter in U-shaped 5 condensation side refrigerant of heat exchange of heat pipe
Temperature, the evaporation side and condensation side of U-shaped heat exchange of heat pipe 5 in heat pump dehumidifier 4, what U-shaped 5 evaporation side of heat exchange of heat pipe absorbed
Heat and the heat of 5 condensation side of U-shaped heat exchange of heat pipe release are equal, and unit does not have extra power consumption, increase heat pipe in unit equipment,
Do not influence heat balance.
Further, heat pump dehumidifier 4 includes interior circulating fan, internal circulating fan extraction section circulated air, circulated air
By U-tube heat exchanger, surface air cooler 6 and evaporator 7, keeps unit moisture removal under certain cooling capacity bigger, effectively increase machine
The moisture removal of group, keeps the wet-out property ratio of unit higher.
Although the present invention has been described by way of example and in terms of the preferred embodiments, it is not intended to limit the invention, any to be familiar with this skill
The people of art can do various change and modification, therefore protection model of the invention without departing from the spirit and scope of the present invention
Enclosing subject to the definition of the claims.
Claims (9)
1. a kind of enclosed heat pump sludge drying dehumidification equipment characterized by comprising drying room, humid air cycle blower, heat pump
Dehumidifier, heated dry air circulating fan, conveying device；The conveying device is located in drying room, drying room, humid air cycle wind
Machine, heat pump dehumidifier, heated dry air circulating fan are sequentially connected in series together.
2. a kind of enclosed heat pump sludge drying dehumidification equipment as described in claim 1, which is characterized in that the heat pump dehumidifier
Including evaporator, surface air cooler, cooling tower, condenser, compressor, surface air cooler and cooling tower are set to before evaporator, compressor
It is connected respectively at evaporator and condenser, humid air cycle blower, surface air cooler, cooling tower, condenser, evaporator, heated dry air
Circulating fan is sequentially connected.
3. a kind of enclosed heat pump sludge drying dehumidification equipment as described in claim 1, which is characterized in that enclosed heat pump sludge dries
Dry dehumidification equipment includes wet mud molding equipment, and wet mud molding equipment is connect with drying room, and wet mud molding equipment is located at defeated
Send the front end of device.
4. a kind of enclosed heat pump sludge drying dehumidification equipment as described in claim 1, which is characterized in that the conveying device packet
First layer sludge tiling mesh belt, second layer sludge tiling mesh belt are included, first layer sludge tiling net is located at second layer sludge tiling net
The front end on band top, tail end and the second layer sludge tiling net of first layer sludge tiling net is connected, first layer sludge tiling net and
The rotation direction of second layer sludge tiling net is opposite.
5. a kind of enclosed heat pump sludge drying dehumidification equipment as claimed in claim 2, which is characterized in that the cooling tower includes
Cooling water inlet and cooling water outlet, heat pump dehumidifier include condensed water catch basin.
6. a kind of enclosed heat pump sludge drying dehumidification equipment as described in claim 2 or 5 is any, which is characterized in that the table
Cooler or cooling tower are provided with intelligent flow valve control system.
7. a kind of enclosed heat pump sludge drying dehumidification equipment as claimed in claim 2, which is characterized in that the heat pump dehumidifier
Evaporator and surface air cooler between be provided with U-shaped heat exchange of heat pipe, U-shaped heat exchange of heat pipe includes evaporation side and condensation side.
8. a kind of enclosed heat pump sludge drying dehumidification equipment as claimed in claim 7, which is characterized in that the heat pump dehumidifier
Including interior circulating fan, interior circulating fan is connected with U-tube heat exchanger, surface air cooler and evaporator.
9. a kind of enclosed heat pump sludge drying dehumidification equipment as claimed in claim 4, which is characterized in that the second layer sludge
Tiling mesh belt tail portion is provided with dewatered sludge conveying equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821764920.0U CN209116697U (en) | 2018-10-26 | 2018-10-26 | A kind of energy-saving enclosed heat pump sludge drying dehumidification equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821764920.0U CN209116697U (en) | 2018-10-26 | 2018-10-26 | A kind of energy-saving enclosed heat pump sludge drying dehumidification equipment |
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| CN209116697U true CN209116697U (en) | 2019-07-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237910A (en) * | 2018-10-26 | 2019-01-18 | 江南大学 | A kind of energy-saving enclosed heat pump sludge drying dehumidification system and technique |
| CN113121085A (en) * | 2019-12-31 | 2021-07-16 | 广东蓝创能源设备有限公司 | Novel sludge equipment |
| CN116518701A (en) * | 2023-07-05 | 2023-08-01 | 中建环能科技股份有限公司 | Method for improving dehumidification performance of evaporator of heat pump low-temperature drying equipment and electronic equipment |
-
2018
- 2018-10-26 CN CN201821764920.0U patent/CN209116697U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237910A (en) * | 2018-10-26 | 2019-01-18 | 江南大学 | A kind of energy-saving enclosed heat pump sludge drying dehumidification system and technique |
| CN113121085A (en) * | 2019-12-31 | 2021-07-16 | 广东蓝创能源设备有限公司 | Novel sludge equipment |
| CN116518701A (en) * | 2023-07-05 | 2023-08-01 | 中建环能科技股份有限公司 | Method for improving dehumidification performance of evaporator of heat pump low-temperature drying equipment and electronic equipment |
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