CN210457916U

CN210457916U - Take tail gas treatment mud low temperature constant temperature drying equipment

Info

Publication number: CN210457916U
Application number: CN201921040415.6U
Authority: CN
Inventors: 方刚明
Original assignee: Hangzhou Chuan'en Environmental Protection Technology Co ltd
Current assignee: Hangzhou Chuan'en Environmental Protection Technology Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-05-05
Anticipated expiration: 2029-07-05

Abstract

The utility model belongs to the technical field of the environmental protection, concretely relates to take tail gas treatment mud low temperature constant temperature drying equipment. The existing equipment does not treat tail gas generated in the sludge drying process, and certain influence is caused on the environment. The utility model discloses a dry room, hydrofuge fan, cold and hot exchanger, tail gas purification processing apparatus and air compressor, characteristics are: the drying room and the air compressor are internally provided with a condensing plate for liquefying tail gas and a self-cleaning device for cleaning the condensing plate, the moisture exhaust fan, the cold-heat exchanger and the tail gas purification treatment device are positioned in the drying room, so that the tail gas is led to the air compressor from the drying room and is discharged from air outlets on two sides of the air compressor, the cold-heat exchanger also plays a role in air inlet and temperature stability in the drying room, and the tail gas purification treatment device can adsorb the tail gas and reduce the discharge amount. The utility model provides a simple efficient sludge drying equipment has also handled the tail gas that produces when dry, accords with the environmental protection requirement more.

Description

Take tail gas treatment mud low temperature constant temperature drying equipment

Technical Field

The utility model belongs to the technical field of the environmental protection, concretely relates to take tail gas treatment mud low temperature constant temperature drying equipment.

Background

Sludge is a product after sewage treatment, generally contains harmful chemical substances, heavy metals and the like, and easily causes secondary pollution to the environment if the sludge is not properly treated. Because the water content of the sludge is high, the sludge needs to be dried firstly in order to realize harmless and resource utilization. Practice shows that the sludge is dried in constant-temperature drying equipment with the temperature of 52-65 ℃ to be a relatively effective treatment means, but the method has the problems that part of harmful substances contained in the sludge are easy to volatilize along with water in the drying process, and certain environmental pollution can be caused if the generated tail gas is not treated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a low-temperature constant-temperature drying equipment with tail gas treatment for sludge, which has reasonable structural design, high drying efficiency and convenient use.

The utility model provides a technical scheme that above-mentioned problem adopted is: this take tail gas treatment mud low temperature constant temperature drying equipment, including dry room, hydrofuge fan, cold and hot exchanger, tail gas purification processing apparatus and air compressor, its characterized in that: front side between the drying is the dodge gate, passes through hinge connection between dodge gate and drying, and the condensation plate is installed to left side inner wall between the drying, the condensation plate passes through tubule and pipe connection, and self-cleaning device is installed on the right side of condensation plate, hydrofuge fan, cold and hot interchanger and tail gas purification processing apparatus all are located the lower right corner between the drying and with the laminating of the right side inner wall between the drying, the inside intercommunication of three and according to hydrofuge fan in the front, cold and hot interchanger is in, the order inseparable range of tail gas purification processing apparatus after, air compressor is located the rear between the drying, air compressor and tail gas purification processing apparatus intercommunication, air compressor's inside rear side also is equipped with condensation plate and self-cleaning device, and air compressor's the left and right sides. When the equipment works, wet tail gas volatilized by sludge flows along the directions of the moisture exhaust fan, the cold-heat exchanger, the tail gas purification treatment device and the air compressor under the action of the moisture exhaust fan, and is finally discharged from the air outlets on two sides of the air compressor.

As preferred, the utility model discloses an one deck heat preservation is installed to the inner wall between the drying. Because the drying room is made of metal materials, and the metal has good heat dissipation, if there is no heat-insulating layer, it is difficult to keep the constant temperature environment in the drying room.

As preferred, the utility model discloses an inside of condenser plate is horizontal regular spread's copper condenser pipe, and the entry and the export of condenser pipe all link to each other with the tubule, and the both sides of condenser plate are the conducting strip. Copper's condenser pipe and conducting strip's heat-conduction performance is excellent, and the entry and the export of condenser pipe are connected the back with the tubule, and the refrigerant can be in condenser pipe internal loop flow, makes the condensing panel be in the low temperature state, and the conducting strip of condensing panel both sides is used for the area of contact of increase and tail gas, makes tail gas change and receives cold liquefaction in condensing panel department.

As preferred, the utility model discloses an outside cover of pipeline has the rubber and plastic heat preservation, and the expansion valve is installed with the junction of tubule to the pipeline. The temperature in the drying room is higher, and the rubber and plastic heat preservation layer can prevent that the refrigerant in the pipeline from rising temperature too early, influencing the condensation effect of condenser plate, and the expansion valve plays the effect of throttle step-down.

As preferred, the utility model discloses a self-cleaning device includes that 1 standpipe and 3 violently manage, violently manage and pass through three way connection on the standpipe, violently be equipped with 5 round holes on the pipe, the round hole is towards the condenser plate, the port cover of violently managing has the tube head. When the equipment stops working, the self-cleaning device is filled with water to enable water to be sprayed on the condensation plate from the round hole on the transverse pipe to wash the condensation plate, and the round hole can be provided with a spray head to improve the washing effect.

Preferably, the right side of the heat exchanger is an air inlet, and the outside air enters the drying room from the louver after passing through the heat exchanger by the air inlet. The temperature of the outside air and the exhausted tail gas is exchanged in the cold-heat exchanger through the heat transfer plate, so that the temperature in the drying room is kept stable.

As preferred, the utility model discloses an air compressor and exhaust purification processing apparatus intercommunication department, the air outlet department of the air compressor left and right sides and the air inlet department on cold and heat exchanger right side all install the gauze. The gauze can prevent that the great debris of volume from getting into inside the equipment, influencing the normal work of equipment.

Compared with the prior art, the utility model, have following advantage and effect:

(1) the structural design is reasonable. The utility model discloses a maintain the constant temperature environment in the drying room, the heat preservation all is equipped with in the outside of the inner wall of drying room and pipeline to be provided with the gaseous and exhaust tail gas exchange temperature that cold and hot exchanger made the entering, further ensure the temperature stability.

(2) Has the function of tail gas treatment. The condensing plates are arranged on the left side of the drying room and the rear side of the air compressor, so that the tail gas can be fully contacted with the condensing plates before being discharged out of the equipment and is removed in a liquefying mode; the inside air purification processing apparatus that still installs of equipment can adsorb tail gas, reduces the exhaust emission volume.

(3) The cleaning is convenient. Self-cleaning device is installed to the condensation plate front side, can wash the condensation plate fast when equipment stop work, and air purification processing apparatus can pull out from the right side of equipment, can push in the middle of the equipment again after with its inside clean up.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic top view of an embodiment of the present invention.

Fig. 3 is a schematic perspective view of a condensation plate according to an embodiment of the present invention.

Fig. 4 is a schematic perspective view of a self-cleaning device according to an embodiment of the present invention.

Description of reference numerals: 1. a drying room; 2. a moisture removal fan; 3. a cold-heat exchanger; 4. a tail gas purification treatment device; 5. a movable door; 6. a condensing plate; 7. a self-cleaning device; 8. a pipeline; 9. a thin tube; 10. an air compressor; 11. a heat-insulating layer; 12. a vertical tube; 13. a transverse tube; 14. a tee joint; 15. a pipe head; 16. a circular hole; 17. a condenser tube; 18. a heat conductive sheet; 19. an expansion valve; 20. a screen; 21. a hinge; 22. a louver opening.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1 to 4, the low-temperature constant-temperature drying equipment for sludge with tail gas treatment of the embodiment includes a drying room 1, a dehumidifying fan 2, a cold-heat exchanger 3, a tail gas purifying treatment device 4 and an air compressor 10.

The front side of 1 in the drying room of this embodiment is dodge gate 5, and the drying room 1 rotates through hinge 21 with dodge gate 5 to be connected, and when dodge gate 5 closed, closed department has good leakproofness, and 1 inner wall cladding in the drying room has one deck heat preservation 11 for maintain the temperature stability in the drying room, condensing panel 6 is installed to the left side inner wall in the drying room 1.

The inside condenser pipe 17 that is copper of condensation plate 6 of this embodiment, both sides are conducting strip 18, copper's condenser pipe 17 and conducting strip 18's heat-conduction performance are excellent, the entry and the export of condenser pipe 17 are connected the back with tubule 9, the refrigerant can be at condenser pipe 17 inner loop flow, make condensation plate 6 be in the low temperature state, the conducting strip 18 of condensation plate both sides is used for the increase and the area of contact of tail gas, make tail gas change and receive cold liquefaction in condensation plate 6 department. Self-cleaning device 7 is installed on condenser pipe 17's right side, and self-cleaning device 7 includes that 1 standpipe 12 violently manages 13 with 3, violently manages 13 and passes through tee bend 14 connection on standpipe 12, violently is equipped with 5 round holes 16 on managing 13, and the round hole 16 is towards condenser plate 6, and when equipment stop work, self-cleaning device 7 leads to water and makes hydroenergy spray on condenser plate 6 from the round hole 16 department on violently managing 13 and wash it, and this round hole 16 department also can install the shower nozzle and improve the washing effect.

The dehumidifying fan 2, the cold-heat exchanger 3 and the tail gas purifying and processing device 4 of the embodiment are all located at the lower right corner of the drying room 1 and attached to the inner wall of the right side of the drying room 1, the three are equal in height and equal in width, the dehumidifying fan 2 is arranged in front, the cold-heat exchanger 3 is arranged in the middle, and the tail gas purifying and processing device 4 is arranged behind and communicated with the inside, the dehumidifying fan 2 sucks tail gas, the tail gas sequentially passes through the dehumidifying fan 2, the cold-heat exchanger 3 and the tail gas purifying and processing device 4, then the tail gas is discharged into the air compressor 10 from the gauze at the rear of the tail gas purifying and processing device 4, and then the tail gas is liquefied by the condensing plate 6 at the rear of the air compressor 10 and discharged from the gauze at two.

The air compressor 10 of this embodiment plays the effect of compression drive refrigerant, and the refrigerant becomes liquid after the pressurization of air compressor 10, in pipeline 8 transports to drying room 1, the outside cladding of pipeline 8 has the heat preservation, prevents that the refrigerant from evaporating prematurely. An expansion valve 19 is arranged between the pipeline 8 and the thin pipe 9, the expansion valve 19 plays a role in throttling and pressure reduction and controls the flow of the refrigerant entering the thin pipe 9, after the refrigerant flows to the condensation pipe 17, the pressure drops suddenly due to the increase of the pipe diameter, the refrigerant is changed from a liquid state to a gaseous state, and a large amount of heat absorption enables the temperature of the condensation pipe 17 to be reduced, so that the condensation effect can be achieved.

The air intake of the embodiment is controlled by the cold-heat exchanger 3, the external air enters from the air inlet at the right side of the cold-heat exchanger 3, exchanges temperature with the exhaust gas inside the cold-heat exchanger 3 through the heat transfer plates to keep the temperature in the drying room 1 stable, and then enters into the drying room 1 from the louver 22 at the left side of the cold-heat exchanger 3.

The present embodiment utilizes a tail gas purification treatment device 4 and two condensation plates 6 to treat the tail gas, wherein the tail gas purification treatment device 4 is installed in the exhaust path of the equipment and absorbs the tail gas by an adsorption method, and the condensation plates 6 reduce the emission of the tail gas by liquefying the tail gas.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a take tail gas treatment mud low temperature constant temperature drying equipment, includes drying room (1), hydrofuge fan (2), cold and heat exchanger (3), tail gas purification processing apparatus (4) and air compressor (10), its characterized in that: the front side of the drying room (1) is a movable door (5), the movable door (5) is connected with the drying room (1) through a hinge (21), a condensing plate (6) is installed on the inner wall of the left side of the drying room (1), the condensing plate (6) is connected with a pipeline (8) through a thin pipe (9), a self-cleaning device (7) is installed on the right side of the condensing plate (6), the dehumidifying fan (2), the cold-heat exchanger (3) and the tail gas purification treatment device (4) are all located at the lower right corner of the drying room (1) and are attached to the inner wall of the right side of the drying room (1), the three are equal in height and equal in width, and are closely arranged according to the sequence that the dehumidifying fan (2) is in the front, the cold-heat exchanger (3) is in the middle and the tail gas purification treatment device (4) is arranged behind, the air compressor (10) is located at the rear of the drying room (1), and the air, the rear side of the interior of the air compressor (10) is also provided with a condensation plate (6) and a self-cleaning device (7), and the left side and the right side of the air compressor (10) are air outlets.

2. The low-temperature constant-temperature drying equipment for sludge with tail gas treatment according to claim 1, which is characterized in that: and a heat-insulating layer (11) is arranged on the inner wall of the drying room (1).

3. The low-temperature constant-temperature drying equipment for sludge with tail gas treatment according to claim 1, which is characterized in that: the inside of condensing panel (6) is copper condenser pipe (17) of horizontal regular array, and the entry and the export of condenser pipe (17) all link to each other with tubule (9), and the both sides of condensing panel (6) are conducting strip (18).

4. The low-temperature constant-temperature drying equipment for sludge with tail gas treatment according to claim 1, which is characterized in that: the outside cover of pipeline (8) has the rubber and plastic heat preservation, and expansion valve (19) are installed to the junction of pipeline (8) and tubule (9).

5. The low-temperature constant-temperature drying equipment for sludge with tail gas treatment according to claim 1, which is characterized in that: self-cleaning device (7) are including 1 standpipe (12) and 3 violently pipes (13), violently manage (13) and connect on standpipe (12) through tee bend (14), are equipped with 5 round holes (16) on violently managing (13), round hole (16) are towards condenser plate (6), the port cover of violently managing (13) has tube head (15).

6. The low-temperature constant-temperature drying equipment for sludge with tail gas treatment according to claim 1, which is characterized in that: the right side of the cold-heat exchanger (3) is provided with an air inlet, and outside air enters the drying room (1) from the louver opening (22) after passing through the cold-heat exchanger (3).

7. The low-temperature constant-temperature drying equipment for sludge with tail gas treatment according to claim 1, which is characterized in that: gauze (20) are respectively arranged at the communication position of the air compressor (10) and the tail gas purification treatment device (4), the air outlets at the left side and the right side of the air compressor (10) and the air inlet at the right side of the cold-heat exchanger (3).