CN202849227U - Sludge screening dehydration device - Google Patents
Sludge screening dehydration device Download PDFInfo
- Publication number
- CN202849227U CN202849227U CN 201220472076 CN201220472076U CN202849227U CN 202849227 U CN202849227 U CN 202849227U CN 201220472076 CN201220472076 CN 201220472076 CN 201220472076 U CN201220472076 U CN 201220472076U CN 202849227 U CN202849227 U CN 202849227U
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- tank
- dewatering
- screening
- mud
- separation sieve
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Abstract
The utility model discloses a sludge screening dehydration device. The device comprises a screening device, a separation sieve, screens, a sludge collection tank, a horizontal screw type sedimentation centrifuge, a screw pump, a hot air dehydrator, an air heater, an induced draft fan and a stirring dehydration tank, wherein the separation sieve is a hollow cone, multiple layers of screens are horizontally arranged in the separation sieve, and the sludge collection tank is arranged on the lower part of the separation sieve and communicated with the separation sieve; the screening device is connected with the horizontal screw type sedimentation centrifuge through the screw pump, a material in the sludge collection tank is pumped into the horizontal screw type sedimentation centrifuge for centrifugal concentration, and the concentrated material is added into the stirring dehydration tank in the hot air dehydrator; and the air heater is connected with the hot air dehydrator, and generated hot air circularly flows in the hot air dehydrator, so that the material in the stirring dehydration tank can be dried and dehydrated. According to the sludge screening dehydration device, rotten fermented sludge is subjected to screening and dehydrating pre-treatment, so that the sludge is in the best state in the rotting and fermenting treatment, and the effect of fermentation can be improved.
Description
Technical field
The utility model relates to the preconditioning technique field of mud recycling, especially relates to a kind of mud screening and dewatering device.
Background technology
The whole world is improved Soil structure and soil micro-ecosystem system at present, and rehabilitating soil, the essential measure of Development of Organic Agriculture, green husbandry are to increase to use bio-organic fertilizer.Utilize water sludge to produce biological organic fertilizer, that country advocates energy-saving and emission-reduction always, one of important measures of resource reutilization, can create beneficial result, it can be eliminated to greatest extent again to the pollution of environment, the unification of resources effective utilization and ecological environment treatment, Economic development and social benefit can be realized.
Mud is because its water ratio major part is higher than 80%, and it is large to have viscosity, and nuisance is many, and the characteristics such as stench extremely are difficult to process.The resourcefulness that utilizes mud to produce bio-feritlizer with aerobic processing mode at present adopts composting mode, because the compost means also only rest on the mode that adopts traditional agricultural waste gurry processing, add that there are certain physicochemical property difference in mud and agricultural waste gurry, so, develop efficient sludge aerobic biological treatment mode, become the emphasis of many processing units and R﹠D institution research.The difficult point that the sludge aerobic mode is processed mainly is: viscosity is large, and water ratio is high, causes ventilation aeration poor effect in the treating processes.So how to improve ventilation aeration efficient in the Aerobic, it is the key of mud success quick aerobic fermentation.
General drying technology is too high because of bake out temperature, and drying time is long, often reduces the survival rate of microorganism in the material, thereby affects the quality of bio-feritlizer; If single reduction bake out temperature can affect again the speed of oven dry.
The utility model content
The purpose of this utility model is the deficiency for the preconditioning technique of general mud recycling, a kind of mud screening and dewatering device is provided, water content that not only can fast reducing mud, remove impurity, and dewater by the controlled hot-air dewatering machine of use temperature, make mud reach that water content is low, oxygen level is high, the uniform optimum regime of gas distribution, and can not reduce microbic activity in the mud, thereby carry out aerobic fermentation.
The technical solution of the utility model is:
A kind of mud screening and dewatering device comprises:
Screening plant, described screening plant comprise separation sieve and mud receiving tank, and described separation sieve is a hollow cone, opening for feed is positioned at the top of described separation sieve, the inside of described separation sieve is equipped with screen cloth, and described mud receiving tank is positioned at the bottom of described separation sieve, and the bottom of separation sieve is communicated with;
The horizontal helical type settling centrifuge, described horizontal helical type settling centrifuge by spiral pump be connected the mud receiving tank and connect, discharge port is arranged at the bottom of described horizontal helical type settling centrifuge;
The hot-air dewatering machine, it comprises the tank body that stirs dewatering tank, calorifier, induced draft fan and a sealing, wherein, it is inner that described stirring dewatering tank is arranged at described closed tank, and form a cavity around the described stirring dewatering tank and between the described closed tank, described calorifier is connected to the top of described closed tank, be communicated with described cavity, described induced draft fan is connected to the bottom of described closed tank, also be communicated with described cavity, the top of described stirring dewatering tank is communicated with the discharge port of described horizontal helical type settling centrifuge.。
Preferably, in the described mud screening and dewatering device, described screen cloth is multilayer, and all level is installed, and is parallel to each other between each layer screen cloth.
Preferably, in the described mud screening and dewatering device, described each layer screen cloth is all with a plurality of holes, and the diameter of the hole of described each layer screen cloth reduces gradually from top to bottom.
Preferably, in the described mud screening and dewatering device, the air outlet is arranged at the top of described stirring dewatering tank.
Preferably, in the described mud screening and dewatering device, in the described stirring dewatering tank spiral stirrer is installed, described spiral stirrer with is connected motor and connects, rotated by described electric motor driving.
Preferably, in the described mud screening and dewatering device, described stirring dewatering tank is fixed in the described mud screening and dewatering device by fixed leg, described fixed leg includes fixed leg and lower fixed leg, wherein, the fixed post is fixedly connected with the top of described stirring dewatering tank and the top of described closed tank, described lower fixed leg is fixedly connected with the bottom of described stirring dewatering tank and the bottom of described closed tank, the length of fixed post and described lower fixed leg is 10～20cm, and the width of described cavity is 10～20cm.
Preferably, in the described mud screening and dewatering device, described hot-air dewatering machine also includes temperature sensing device and temperature-control device, wherein, described temperature sensing device is arranged at the top of described stirring dewatering tank, described temperature sensing device is connected with described temperature-control device, and described temperature-control device is connected with calorifier.
The utlity model has following beneficial effect: mud screening and dewatering device of the present utility model, not only can effectively remove the impurity such as stone in the mud, sandstone, and can in drying course, realize control to bake out temperature, can not reduce microbic activity in the mud in the time of the water content of fast reducing mud, make mud reach that water content is low, oxygen level is high, the uniform best fermentation state of gas distribution.
Description of drawings
Fig. 1 is the structural representation of mud screening and dewatering device described in the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated, after making those of ordinary skills consult this specification sheets, can implement according to this.
As shown in Figure 1, mud screening and dewatering device described in the utility model, comprise: screening plant 1, described screening plant comprises separation sieve 2 and mud receiving tank 3, described separation sieve 2 is a hollow cone, and opening for feed 5 is positioned at the top of described separation sieve 2, and the inside of described separation sieve 2 is equipped with screen cloth 4, described mud receiving tank 3 is positioned at the bottom of described separation sieve 2, and the bottom of separation sieve 2 is communicated with.Horizontal helical type settling centrifuge 7, described horizontal helical type settling centrifuge 7 pass through spiral pump 6 and are connected 3 connections of mud receiving tank, and discharge port 13 is arranged at the bottom of described horizontal helical type settling centrifuge 7.The hot-air dewatering machine, it comprises the tank body 8 that stirs dewatering tank 11, calorifier 9, induced draft fan 10 and a sealing, wherein, described stirring dewatering tank 11 is arranged at described closed tank 8 inside, and form a cavity around the described stirring dewatering tank 11 and between the described closed tank 8, described calorifier 9 is connected to the top of described closed tank 8, be communicated with described cavity, described induced draft fan 10 is connected to the bottom of described closed tank 8, also be communicated with described cavity, the top of described stirring dewatering tank 11 is communicated with the discharge port 13 of described horizontal helical type settling centrifuge 7.
In the described mud screening and dewatering device, described screen cloth 4 is multilayer, and all level is installed, and is parallel to each other between each layer screen cloth 4.
In the described mud screening and dewatering device, described each layer screen cloth 4 is all with a plurality of holes, the diameter of the hole of described each layer screen cloth 4 reduces gradually from top to bottom, be installed near screen cloth 4 apertures of described opening for feed 5 positions larger, in order to hold back the larger impurity such as sandstone of volume.Be installed near screen cloth 4 apertures of described mud collection device 3 positions littlely, further hold back the impurity of small volume.
In the described mud screening and dewatering device, air outlet 14 is arranged at the top of described stirring dewatering tank 11, is used for discharging the steam that fecund is given birth in the hot-air seasoning process.
In the described mud screening and dewatering device, in the described stirring dewatering tank 11 spiral stirrer 15 is installed, described spiral stirrer with is connected motor and connects, rotated by described electric motor driving.Described spiral stirrer 15 is comprised of stir shaft and a plurality of blade, increases contacting of described stirring dewatering tank 11 interior mud and hot blast by Stirring, and increases the oxygen level of mud.
In the described mud screening and dewatering device, described stirring dewatering tank 11 is fixed in the described mud screening and dewatering device by fixed leg 17, described fixed leg 17 includes fixed leg and lower fixed leg, wherein, the fixed post is fixedly connected with the top of described stirring dewatering tank 11 and the top of described closed tank 8, described lower fixed leg is fixedly connected with the bottom of described stirring dewatering tank 11 and the bottom of described closed tank 8, the length of fixed post and described lower fixed leg is 10～20cm, the width of described cavity is 10～20cm, forms the connected space that hot air circulation is flowed outside described stirring dewatering tank 11.
In the described mud screening and dewatering device, described hot-air dewatering machine also includes temperature sensing device 18 and temperature-control device 19, wherein, described temperature sensing device 18 is arranged at the top of described stirring dewatering tank 11, described temperature sensing device 18 is connected with described temperature-control device 19, and described temperature-control device 19 is connected connection with calorifier.Set certain temperature by temperature sensing device 18, when the excess Temperature in the hot-air dewatering machine, reduce hot blast rate by temperature-control device 19, thereby reduce the temperature in the described hot-air dewatering machine.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification sheets and the embodiment, it can be applied to the various fields of the present utility model that are fit to fully, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (7)
1. a mud screening and dewatering device is characterized in that, comprising:
Screening plant, described screening plant comprise separation sieve and mud receiving tank, and described separation sieve is a hollow cone, opening for feed is positioned at the top of described separation sieve, the inside of described separation sieve is equipped with screen cloth, and described mud receiving tank is positioned at the bottom of described separation sieve, and the bottom of separation sieve is communicated with;
The horizontal helical type settling centrifuge, described horizontal helical type settling centrifuge by spiral pump be connected the mud receiving tank and connect, discharge port is arranged at the bottom of described horizontal helical type settling centrifuge;
The hot-air dewatering machine, it comprises the tank body that stirs dewatering tank, calorifier, induced draft fan and a sealing, wherein, it is inner that described stirring dewatering tank is arranged at described closed tank, and form a cavity around the described stirring dewatering tank and between the described closed tank, described calorifier is connected to the top of described closed tank, be communicated with described cavity, described induced draft fan is connected to the bottom of described closed tank, also be communicated with described cavity, the top of described stirring dewatering tank is communicated with the discharge port of described horizontal helical type settling centrifuge.
2. mud screening and dewatering device as claimed in claim 1 is characterized in that, described screen cloth is multilayer, and all level is installed, and is parallel to each other between each layer screen cloth.
3. mud screening and dewatering device as claimed in claim 2 is characterized in that, described each layer screen cloth is all with a plurality of holes, and the diameter of the hole of described each layer screen cloth reduces gradually from top to bottom.
4. mud screening and dewatering device as claimed in claim 1 is characterized in that the air outlet is arranged at the top of described stirring dewatering tank.
5. mud screening and dewatering device as claimed in claim 1 is characterized in that, in the described stirring dewatering tank spiral stirrer is installed, described spiral stirrer with is connected motor and connects, rotated by described electric motor driving.
6. such as claim 1 or 5 described mud screening and dewatering devices, it is characterized in that, described stirring dewatering tank is fixed in the described mud screening and dewatering device by fixed leg, described fixed leg includes fixed leg and lower fixed leg, wherein, the fixed post is fixedly connected with the top of described stirring dewatering tank and the top of described closed tank, described lower fixed leg is fixedly connected with the bottom of described stirring dewatering tank and the bottom of described closed tank, the length of fixed post and described lower fixed leg is 10 ~ 20cm, and the width of described cavity is 10 ~ 20cm.
7. such as claim 1,4 or 5 described mud screening and dewatering devices, it is characterized in that, described hot-air dewatering machine also includes temperature sensing device and temperature-control device, wherein, described temperature sensing device is arranged at the top of described stirring dewatering tank, described temperature sensing device is connected with described temperature-control device, and described temperature-control device is connected with calorifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220472076 CN202849227U (en) | 2012-09-14 | 2012-09-14 | Sludge screening dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220472076 CN202849227U (en) | 2012-09-14 | 2012-09-14 | Sludge screening dehydration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202849227U true CN202849227U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220472076 Expired - Fee Related CN202849227U (en) | 2012-09-14 | 2012-09-14 | Sludge screening dehydration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202849227U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242237A (en) * | 2016-10-20 | 2016-12-21 | 湖南野森环保科技有限责任公司 | A kind of dual sludge dewatering environmental protection equipment with drying function |
| CN116217043A (en) * | 2023-03-28 | 2023-06-06 | 江苏格兰特干燥浓缩设备有限公司 | Sludge treatment process and treatment system for spiral wringer |
-
2012
- 2012-09-14 CN CN 201220472076 patent/CN202849227U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242237A (en) * | 2016-10-20 | 2016-12-21 | 湖南野森环保科技有限责任公司 | A kind of dual sludge dewatering environmental protection equipment with drying function |
| CN116217043A (en) * | 2023-03-28 | 2023-06-06 | 江苏格兰特干燥浓缩设备有限公司 | Sludge treatment process and treatment system for spiral wringer |
| CN116217043B (en) * | 2023-03-28 | 2023-11-24 | 江苏格兰特干燥浓缩设备有限公司 | Sludge treatment process and treatment system for spiral wringer |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20140914 |
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| EXPY | Termination of patent right or utility model |