CN201485368U

CN201485368U - Sludge cake drying device

Info

Publication number: CN201485368U
Application number: CN2009201546277U
Authority: CN
Inventors: 姜志忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-15
Filing date: 2009-05-15
Publication date: 2010-05-26
Anticipated expiration: 2019-05-15

Abstract

The utility model provides a sludge cake drying device. In the technical scheme, a movable trolley which is used for bearing sludge cakes is connected with a matching drying machine body through a return air pipe to form a closed loop system, moisture is delivered into a temperature control chamber in the machine body through circulating airflow to be treated so as to reduce the humidity of the airflow, and sludge cakes are directly carried away and abandoned through the trolley after reaching the preset degree of dryness. The trolley has the dual functions of the sludge cake storage tank and carrier, and the sludge cakes are not required to be repeatedly loaded and unloaded prior to and after the treatment. The utility model satisfies the requirements of ergonomics for the operating height, operating efficiency and operational safety, and prevents the dropping of the sludge wastewater, the dissolution of the sludge cakes and the secondary pollution caused by the leakage of the dust or contaminating gases generated during the drying process.

Description

The sludge cake drying plant

Technical field

It is rigorous that the utility model relates to a kind of structure, and energy-conservation saving of labor is seated in sludge cake fully and does cyclic drying in the chassis of sealing and handle and transport, and avoids the environmental protection facility of secondary pollution, specifically, is a kind of sludge cake drying plant.

Background technology

Human civilization improves because of industrial expansion, but incident problem of environmental pollution impels the extremely serious threat in space of whole earth existence! Institute thinks and takes into account environment protection and quality of the life, certainly will efforts at environmental protection definitely will be carried out.

In the conventional art field, mostly processing for mud is to make the crowded pie (processing of mud preliminarily dried) that is dehydrated into of high pressure by the plate and frame sludge dewatering equipment, the mud of handling this stage remains 70～90% water ratio, so the sludge cake of high-moisture percentage can improve the cost (existing calculating rate: 6～8 yuan of nontoxic mud per unit weights, 12～14 yuan of poisonous mud per unit weights) of transportation and the expense of processing removing (being difficult for incinerating or solidifying burying) of throwing aside.

And the mud of high-moisture percentage has the situation that mud waste water drips and sludge cake is separated branch easily in transporting the process of processing, and the public hazards of secondary pollution take place! If can make moisture percentage in sewage sludge reduce to 10～30%, mud weight is reduced more than 60% relatively, sludge volume reduces more than 50%, can reduce the space of stacking mud, significantly reduces sludge cake and throws aside processing costs.

Though lower the drippage that the sludge cake water content can be avoided mud waste water slightly, but because of the traditional sludge water extracter all is directly to finish processed on board, need climb up to climb down by the staff again and move mud to container and carrying ride, so take place sludge cake separate the situation that branchs drop will be very frequent, to processing operation program and personal healthy and safely just can't ensure.

The utility model content

In view of this, main purpose of the present utility model, provide a kind of sludge cake drying plant, be can take up the movable chassis of sludge cake, the utilization return air duct connects the circuit system that the dry body of collocation constitutes sealing, through circulating current the temperature controlled compartment that moisture brings to internal body is handled the humidity that reduces in the air-flow, make sludge cake reach predetermined degree of drying gradually after, can directly throw aside by chassis delivery.

An of the present utility model purpose; the sludge cake drying plant that is provided; be that chassis has the function of sludge cake storage tanks and carrier simultaneously; can be built into the circuit system of sealing with dry body; the Circulation of the utilization air-flow sludge cake of ordering reaches the purpose that reduces water content; avoid drippage, the sludge cake of mud waste water separate that branch drops and the exsiccant process in the dust that produces or have pollution gas to leak, the problem of the secondary pollution environmental protection that causes.

A purpose more of the present utility model, the sludge cake drying plant that is provided, because of chassis in whole sludge cake drying program, all be the height of handling at operating personnel's most convenient, so conform with considering of work safety and ergonomics fully.

Description of drawings

Fig. 1 is the assembly structure figure of the utility model one preferred embodiment.

Fig. 2 is the chassis delivery use figure of the utility model one preferred embodiment.

Fig. 3 is the use schema of the utility model one preferred embodiment.

The main element nomenclature:

10 chassis

11 air inlet ports, 12 web plates, 13 wheels

14 cappings, 15 lower floors, 141 venting holes

20 bodies

The greenhouse, back on the greenhouse 23 of going forward, 21 times greenhouses 22

24 refrigerant condensers, 25 radiator fans, 26 refrigerant emanator

27 after-condensers, 28 heat exchangers, 29 fans

211 blowholes, 212 production wells, 221 suction holes

231 venting holes, 232 return-air holes, 261 water legs

30 air-flows

40 sludge cakes

50 return air ducts

51 filtering nets

Embodiment

Further structure of the present utility model, feature and purpose after hereinafter enumerating the detailed description of preferred embodiment and conjunction with figs., will can be those skilled in the art institute and understand fully.

Existing conjunction with figs. is described in detail as follows preferred embodiment of the present utility model:

At first please understand the utility model is can take up the movable chassis 10 of sludge cake 40, the dry body 20 of arranging in pairs or groups is combined into the circuit system of sealing, through round-robin air-flow 30 temperature controlled compartment that moisture (aqueous vapor) brings to body 20 inside is handled the humidity that reduces in the air-flow 30, after making sludge cake 40 reach predetermined degree of drying gradually, can directly throw aside by chassis 10 deliveries.

Seeing also Fig. 1, is that the utility model is the assembly structure figure of an embodiment with the temperature dehydrating unit.Its main composition be by:

Chassis 10, bottom side are provided with air inlet port 11, and the centre is a porous web plate 12, and the bottom is provided with movable wheel 13, and the movable airtight capping 14 in upper strata has venting hole 141.

Body 20, be arranged with down greenhouse 21, the greenhouse 22 of going forward, go up the square casing in greenhouse 23, back, it is provided with blowhole 211 and side production well 212 in 21 tops, greenhouse down, 22 sides, greenhouse of going forward are provided with suction hole 221 and condensed

water water leg

261, and 23 tops, greenhouse, last back are provided with venting hole 231 and side return-air hole 232;

Refrigerant condenser 24 is located at 23 outer tops, greenhouse, back, and its function is the liquefaction refrigerant, and makes the compressor high-pressure maintain optimal scope;

Radiator fan 25 is located at 23 refrigerant condensers, 24 tops, greenhouse, back, and its function is that the heat energy that refrigerant condenser 24 is produced is got rid of;

Refrigerant emanator 26 is located at suction hole 221 ports of 22 inside, greenhouse of going forward, and its function is with air-flow 30 coolings of the heat of humidity, and moisture condensation Cheng Shui is discharged by water leg 261;

Refrigerant after-condenser 27 is located at down greenhouse 21 inner blowhole 211 ports, and its function is to utilize the greenhouse cold air-flow 30 of 22 inner exsiccant of going forward to cool off refrigerant;

Refrigerant heat exchanger 28 is located at down under the greenhouse 21 inner after-condensers 27, and its function is to utilize the heat of compressor in exsiccant air-flow 30, makes heat energy be able to recycling.

Multiple wing type fan 29 is located at down greenhouse 21 inner production well 212 ports, and its function is with the exsiccant air-flow 30 after the heating, sends into chassis 10 lower floors 15 via air inlet port 11.

The go forward suction hole 221 in greenhouse 22 of return air duct 50, the airstrainer 51 that assembling can be replaced for dismounting, the venting hole 141 of chassis 10 cappings 14 of ining succession and body 20.

Feature with said elements and device, it uses operation steps as follows:

Please continue to consult Fig. 3, be the use schema of the utility model one preferred embodiment, as shown in the figure,

A: the made sludge cake 40 of mud preliminary hydro-extraction directly or via conveying belt (figure does not show) is fallen in the chassis 10, capping 14 is covered;

B: connect the go forward suction hole 221 in greenhouse 22 of capping 14 venting holes 141 and body 20 with return air duct 50, the outlet of body 20 fans 29 then connects is establishing chassis 10 air inlet ports 11;

C: the air of body 20 loop inside, the quilt refrigerant heat exchanger 28 of greenhouse 21 blowholes 211 down acts on and the raising temperature, being subjected to fan 29 simultaneously agitates 30 of hot gas flows that produced constantly to blow to chassis 10 lower floors 15, blast and convection action make exsiccant hot gas flow 30 just touch moist mud by the hole rising of web plate 12, because the humidity of dry air is very low by about 10%, and the humidity of moist mud high about 80～90%, by different saturation vapour pressures, thereby dry air can be taken the moisture content of moist mud out of gradually;

D: moist air-flow 30 rises and imports return air ducts 50, after being filtered net 51 and filtering out impurities, enters body 20 greenhouse 22 of going forward by suction hole 221, and refrigerant emanator 26 is with air-flow 30 quick cooling of humidity, and moisture condensation Cheng Shui is discharged by water leg 261;

E: air-flow 30 becomes cryogenic exsiccant air-flow 30 after descending greenhouse 21 after-condensers 27, making gas-water separation once more;

F: exsiccant air-flow 30 is via heat exchanger 28, air-flow 30 with temperature increase to 45～50 ℃ exsiccant heat, be back to chassis 10 lower floors 15 (being returned to step B) again by return air duct 50, form an airtight circulation, the sludge cake 40 in chassis 10 reaches predetermined humidity;

G: will finish the sludge cake 40 of drying treatment at last, removal connects the return air duct 50 of chassis 10, just can topple over sludge cake 40 to equipment by wheel 13 mobile trolley used 10 and concentrate packing, is stored or transports and throw aside.

Comprehensively above-mentioned, sludge cake drying plant of the present utility model is through every rigorous tectonic analysis and actual field use test, and usefulness and the characteristics that can specifically conclude are as follows:

One, avoid secondary pollution: chassis 10 of the present utility model has the dual-use function of sludge cake 40 storage tankss and carrier, and sludge cake 40 need not be placed and be taken out repeatedly in the front and back of drying treatment; Hereat, do not have conventional apparatus have drippage, the sludge cake of mud waste water separate that branch drops and the exsiccant process in the dust that produces or the phenomenon that has pollution gas to leak.

Two, conform with ergonomics: this case chassis 10 all be height with the work of operator's most convenient for considering, travel to and fro between storage tanks and service platform so need not climb up to climb down, and have the requirement of working efficiency and job safety concurrently.

Though in this specification sheets with regard to the utility model preferred embodiment and conjunction with figs. explanation; obviously the those skilled in the art that are familiar with this type of technology can be engaged in modification with regard to this embodiment; should be that all equalizations of doing according to the utility model change and modification, all should still belong in the scope of patent protection of the present utility model.

Claims

1. a sludge cake drying plant is characterized in that, comprises the movable chassis that can take up sludge cake, connects the circuit system that the dry body of collocation constitutes sealing by return air duct, and described internal body is provided with temperature controlled compartment.

2. according to the described sludge cake drying plant of claim 1, it is characterized in that described chassis is provided with air inlet port at bottom side, the centre is the porous web plate, and the bottom is provided with movable wheel, and the upper strata is provided with movable airtight capping, has venting hole in the capping.

3. according to the described sludge cake drying plant of claim 1, it is characterized in that described return air duct is equipped can be for the airstrainer of dismounting replacement.

4. according to the described sludge cake drying plant of claim 1, it is characterized in that, the temperature dehydrating unit of described body, it mainly includes: be arranged with down the greenhouse, the greenhouse of going forward, go up the square casing in greenhouse, back, top, described greenhouse down is provided with blowhole and side production well, the side, greenhouse of going forward is provided with suction hole and condensed water water leg, and top, greenhouse, last back is provided with venting hole and side return-air hole;

The refrigerant condenser is located at top outside the greenhouse, back;

Radiator fan is located at refrigerant condenser top, greenhouse, back;

The refrigerant emanator is located at the suction hole port of the inside, greenhouse of going forward;

The refrigerant after-condenser is located at down the inner blowhole port in greenhouse;

Refrigerant heat exchanger is located at down under the inner after-condenser in greenhouse;

The multiple wing type fan is located at down the inner production well port in greenhouse.