CN220788134U - Heating device for wastewater collection tank - Google Patents

Abstract

The utility model provides a heating device for a wastewater collection tank, which comprises a heating mechanism, a sealing mechanism and an air extraction mechanism, wherein the heating mechanism comprises a steam pipeline, a water-steam separator and a drainage pipeline which are sequentially communicated; the sealing mechanism comprises a sealing cover fixedly connected to the outer wall of the drainage pipeline, and a sealing opening is formed in the bottom of the sealing cover; the air extraction mechanism comprises an air extraction pipeline arranged on the sealing cover and an exhaust pipeline communicated with the exhaust port of the water-vapor separator, and the air inlet end of the air extraction pipeline protrudes out of the lower part of the sealing cover. According to the heating device for the wastewater collection tank, provided by the utility model, the hot water can be used for heating the wastewater collection tank by arranging the steam pipeline and the water-vapor separator, so that the secondary utilization of the wastewater steam is realized; through setting up sealing mechanism and bleed mechanism, can prevent that the peculiar smell in the collection tank from outwards dispersing to make the whole emission process of waste water collection tank accord with green and energy saving and emission reduction's advanced theory.

Description

Heating device for wastewater collection tank

Technical Field

The utility model belongs to the field of sewage treatment, and particularly relates to a heating device for a wastewater collection tank.

Background

The sewage tank truck is a transport apparatus for transporting sewage or hazardous waste water, and mainly includes a collection tank for collecting sewage and a transport vehicle for transporting the collection tank, and generally, a water suction pipeline for sucking sewage to transfer the sewage to a vacuum pump in the collection tank, and a water discharge port for discharging the sewage are further provided at the vehicle body.

However, the existing sewage tank truck has the following disadvantages: when the external temperature of the collecting tank is low (lower than-4 ℃), the viscosity coefficient of sewage or hazardous waste liquid in the collecting tank can be increased, and even ice is formed, and in this case, the sewage or hazardous waste liquid in the sewage pipe cannot flow out through the water outlet. Aiming at the problem, an operator of the sewage treatment station needs to fill hot water into the collecting tank, dilute sewage or dangerous waste water while raising the temperature in the collecting tank, so that liquid in the collecting tank can flow out through the water outlet of the collecting tank, however, in the operation process of the discharging mode, the liquid in the collecting tank can emit strong peculiar smell due to the rise of the temperature, serious pollution is caused to the working environment, and improvement is needed.

Disclosure of Invention

The utility model aims to provide a heating device for a wastewater collection tank, which aims to solve the problem that the existing wastewater collection tank emits strong peculiar smell due to heating in the sewage disposal process.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a heating device for a wastewater collection tank, comprising:

the heating mechanism comprises a steam pipeline, a water-vapor separator and a drainage pipeline which are sequentially communicated;

the sealing mechanism comprises a sealing cover connected to the outlet end of the drainage pipeline, and a sealing connecting piece capable of being in sealing butt joint with the tank opening of the wastewater collection tank is arranged at the bottom of the sealing cover;

the air exhaust mechanism comprises an air exhaust pipeline and an exhaust pipeline, the air exhaust pipeline is arranged on the sealing cover, the air inlet end of the air exhaust pipeline protrudes out of the lower surface of the sealing cover, and the outlet end of the exhaust pipeline is communicated with the outlet end of the air exhaust pipeline through a three-way joint so as to guide the air in the exhaust pipeline and the air exhaust pipeline to the waste gas treatment equipment.

Further, the sealing connecting piece comprises a connecting part which is connected with the sealing cover opening in a sealing way, the connecting part is a cylinder body, the lower end of the connecting part can be sleeved at the tank opening of the wastewater collecting tank, and the lower end of the connecting part is sleeved with a tightening part.

Further, the tightening part comprises an elastic rubber ring sleeved on the outer peripheral surface of the connecting part.

Further, a one-way valve is arranged at the position of the air extraction pipeline, which is close to the three-way joint.

Further, the water-vapor separator further comprises a liquid collecting box, the liquid collecting box is arranged below the water outlet of the water-vapor separator and is communicated with the drainage pipeline, the liquid collecting box is used for collecting hot water separated by the water-vapor separator, and a pressure pump is arranged on the drainage pipeline.

Further, the outer surface of the liquid collecting box is wrapped with an insulating layer.

Further, the heating mechanism further comprises a liquid separating plate arranged at the water outlet of the drainage pipeline, the liquid separating plate is provided with a plurality of through holes, and the depth direction of each through hole is parallel to the thickness of the liquid separating plate.

Further, heating device for waste water collection jar still includes the support body, the support body includes pipeline installation department, maintenance platform, stand and base, the stand has from last to having connected gradually down pipeline installation department maintenance platform with the base, bleed pipeline exhaust pipe way drainage pipe way with vapor separator all locates on the pipeline installation department, the collection box is located on the maintenance platform, the base is used for fixing the stand.

Further, the frame body further comprises a cat ladder arranged between the upright post and the base, and the upper end and the lower end of the cat ladder are respectively connected with the maintenance platform and the base.

Further, the upright post is hollow, and the steam pipeline is arranged inside the upright post.

Compared with the prior art, the heating device for the wastewater collection tank has the following beneficial effects:

firstly, the heating device for the wastewater collection tank can separate the wastewater vapor discharged by the steam pipeline into hot water and air by arranging the steam pipeline and the water vapor separator, and the hot water is used for heating the wastewater collection tank, so that the secondary utilization of the wastewater vapor is realized.

Secondly, the sealing mechanism and the air extraction mechanism are arranged, so that the odor in the collection tank can be prevented from being dispersed outside the tank, and the air separated by the water-vapor separator and the odor gas dispersed in the collection tank due to temperature rise can be collected by the air extraction of the air extraction mechanism, so that the whole discharge process of the wastewater collection tank accords with the advanced concepts of environmental protection, energy conservation and emission reduction.

In addition, the exhaust pipeline and the exhaust gas exhausted by the exhaust pipeline are integrated on the same pipeline by arranging the three-way joint, so that the exhaust gas generated by the utility model is conveniently and intensively treated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In the drawings:

FIG. 1 is a front view of a heating device for a wastewater collection tank according to the present utility model;

FIG. 2 is a schematic diagram illustrating a connection relationship between a sealing mechanism and a drain line and a suction line according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a sealing cover according to another embodiment of the present utility model.

In the figure:

1. a heating mechanism; 11. a steam line; 12. a water-vapor separator; 121. an air inlet; 122. an exhaust port; 123. a water outlet; 124. a liquid collecting box; 13. a drainage pipeline; 131. a liquid separation plate; 14. a three-way joint;

2. a sealing mechanism; 21. sealing cover; 22. sealing the connection member; 221. a connection part; 222. a tightening part; 23. sealing grooves; 231. a seal ring; 24. a seal assembly; 241. a connecting cylinder; 242. a clamping block; 243. a screw cap; 244. a sealing gasket; 25. a clamping piece; 251. a right angle-shaped clamping block; 252. an operating handle;

3. an air extraction mechanism; 31. an air extraction pipeline; 311. an air inlet end; 32. an exhaust line;

4. a frame body; 41. a pipeline installation part; 42. a maintenance platform; 43. a ladder stand; 44. a column; 45. a base;

5. and a collection tank.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an azimuth or a positional relationship such as "upper", "lower", "inner", "back", and the like are presented, they are based on the azimuth or the positional relationship shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 and 2 together, a description will now be given of a heating device for a wastewater collection tank according to the present utility model. The heating device for the wastewater collection tank comprises a heating mechanism 1, a sealing mechanism 2 and an air extraction mechanism 3, wherein the heating mechanism 1 comprises a steam pipeline 11, a water-vapor separator 12 and a drainage pipeline 13 which are sequentially communicated; the sealing mechanism 2 comprises a sealing cover 21 connected to the outlet end of the drainage pipeline 13, and a sealing connecting piece 22 which can be in butt joint with the tank opening of the wastewater collection tank is arranged at the bottom of the sealing cover 21; the air extraction mechanism 3 comprises an air extraction pipeline 31 and an air exhaust pipeline 32, wherein the air extraction pipeline 31 is arranged on the sealing cover 21, the air inlet end 311 of the air extraction pipeline 31 protrudes out of the lower surface of the sealing cover 21, and the outlet end of the air exhaust pipeline 32 is communicated with the outlet end of the air extraction pipeline 31 through a three-way joint 14 so as to guide the air in the air exhaust pipeline 32 and the air extraction pipeline 31 to the waste gas treatment equipment.

Compared with the prior art, the heating device for the wastewater collection tank has the beneficial effects that: according to the heating device for the wastewater collection tank, the steam pipeline 11 and the water-vapor separator 12 are arranged, so that the waste steam discharged by the steam pipeline 11 can be separated into hot water and air, and the hot water is used for heating the wastewater collection tank 5, and the secondary utilization of the waste steam is realized; in addition, through setting up sealing mechanism 2 and air extraction mechanism 3, when can prevent that the peculiar smell in the collection tank 5 from dispersing outside the jar, also can collect the peculiar smell gas that air and collection tank 5 in the air that vapor separator 12 separated and collection tank 5 are interior because of the intensification through the air extraction of air extraction mechanism 3 to make the whole emission process of waste water collection tank 5 accord with green and energy saving and emission reduction's advanced theory.

Furthermore, the three-way joint 14 is arranged, so that the exhaust gas exhausted by the exhaust pipeline 32 and the exhaust pipeline 31 are integrated on the same pipeline, and the exhaust gas generated by the utility model is conveniently and intensively treated.

In the present utility model, the steam in the steam line 11 is derived from the surplus steam generated by the garbage disposal plant due to the garbage power generation or the waste steam having a certain temperature (> 35 °), the steam line 11 is connected to the air inlet 121 of the water-vapor separator 12, the drain line 13 is connected to the drain port 123 of the water-vapor separator 12, and the exhaust line 32 is connected to the exhaust port 122 of the water-vapor separator 12. .

Optionally, the steam pipeline 11 in this embodiment is a spheroidal graphite cast iron pipeline, which has high self structural strength and is installed at a predetermined position through a connecting flange, the water-vapor separator 12 also communicates with the steam pipeline 11 through the connecting flange, and for a drain pipe, the outer wall of the drain pipe forms a sealing connection with the sealing cover 21 in a screwed manner. In addition, a sealing groove 23 is formed at the edge of the sealing cover 21, a sealing ring 231 is provided in the sealing groove 23, a plurality of clamping pieces 25 for clamping the sealing cover 21 at the tank opening of the collecting tank 5 are provided on the upper end surface of the sealing cover 21, and the clamping pieces 25 and the sealing ring 231 are matched together to form a sealing connection among the drainage pipeline 13, the air extraction pipeline 31 and the tank opening of the collecting tank 5.

Specifically, referring to fig. 3, the engaging member 25 includes a right-angle-shaped latch 251 swingably provided on the outer peripheral surface of the seal cap 21, and an operation handle 252 fixedly connected to the right-angle-shaped latch 251, and the right-angle-shaped latch 251 is engaged with the mouth of the collection tank 5 by swinging the operation handle 252 to a side close to the collection tank 5 to form a sealed connection between the seal cap 21 and the mouth, and in addition, the sealed connection between the seal cap 21 and the mouth can be released by swinging the operation handle 252 to a side away from the collection tank 5.

Optionally, the sealing mechanism 2 further includes a sealing component 24 for forming sealing connection between the drain pipeline 13 and the sealing cover 21, where the structure of the sealing component 24 is shown as the figure, and specifically includes a connecting cylinder 241, a clamping block 242, a sealing ring 231 and a nut 243, where one end of the connecting cylinder 241 is correspondingly communicated with a preset opening of the sealing cover 21, the number of the clamping blocks 242 is multiple, each clamping block 242 is disposed around an axial center of the connecting cylinder 241 and on an end surface of the other end of the connecting cylinder 241, the clamping blocks 242 are all disposed on the end surface of the connecting cylinder 241 along a radial line coincident with the clamping blocks 242, an outer surface of the connecting cylinder 241 is in threaded fit with an inner surface of the nut 243, a sealing pad 244 is connected on one surface of the clamping block 242 facing the axis of the connecting cylinder 241, and in addition, an avoidance hole for passing through the drain pipeline 13 is provided on a cap of the nut 243.

Optionally, the thickness of the portion where the clamping block 242 is connected to the connecting cylinder 241 is the greatest thickness of the clamping block, so that the clamping block 242 can be drawn toward the axis of the connecting cylinder 241 under compression. The inner side of the portion of the engagement piece 242 having a small thickness is also provided with a seal ring 231.

In a specific real-time process, as the nut 243 is tightened on the connecting cylinder 241, the respective clamping blocks 242 are brought close to each other, and the gasket 244 on the inner surface of the clamping block 242 forms a sealing connection between the sealing cover 21 and the drain pipe 13. Compared with the prior art, the embodiment has the advantages that the swing angle of the clamping blocks 242 on the connecting cylinder 241 can be adjusted by adjusting the screwing depth of the screw cap 243 in the connecting cylinder 241 so as to adjust the inner diameter of the clamping interface formed by the clamping blocks 242 together, so that the sealing mechanism 2 of the utility model can be used for sealing and connecting the drain pipelines 13 with different diameters on the sealing cover 21.

Of course, from the viewpoint of production cost, it is also possible to communicate the drain line 13 with the sealing cap 21 by means of a conventional plug-in fitting.

In some embodiments, in order to adapt the sealing cover 21 to the tank mouth of the collection tank 5 with different specifications, the sealing connector 22 comprises a connecting part 221 which is connected to the bottom cover mouth of the sealing cover 21 in a sealing manner, the connecting part 221 is a cylinder, the lower end of the connecting part 221 can be sleeved on the tank mouth of the waste water collection tank 5, and the lower end of the connecting part 221 is sleeved with a tightening part 222.

Optionally, the material of connecting portion 221 is soft connecting tube 241 of rubber material, the clamping portion 222 then includes fixed cover, clamping band and inside the cutting ferrule that is formed with the latch, wherein, the quantity of fixed cover is a plurality of, and encircle the setting on the lower extreme outer peripheral surface of connecting portion 221, the clamping band passes each fixed cover, the ascending one end of clamping band length direction and cutting ferrule fixed connection, the middle part of clamping band is provided with a plurality of latches along length direction, the clamping band is passed to the other end of clamping band, and tighten up soft connecting tube 241 through the joint adaptation of latch and cutting ferrule, and then form sealing connection between soft connecting tube 241 and the jar mouth of collection tank 5, prevent that waste water in the collection tank 5 from giving off everywhere in the heating process.

In some embodiments, an alternative real-time manner is provided, in which the tightening portion 222 includes an elastic rubber ring sleeved on the outer peripheral surface of the connecting portion 221. In a specific real-time process, the elastic rubber ring may be sleeved on the outer circumferential surface of the connection part 221 through the above fixing sleeve, and the elastic rubber ring is configured to have an elastic force for shrinking the caliber of the flexible connection cylinder 241 so as to tighten the bottom of the connection part 221 at the tank opening part of the collection tank 5, thereby forming a sealing connection between the sealing cover 21 and the tank opening of the collection tank 5.

In some embodiments, to prevent the exhaust gas from the exhaust line 32 from entering the wastewater collection tank 5 through the suction line 31, a one-way valve is provided in the suction line 31 near the three-way connection 14.

In some embodiments, referring to fig. 1, the water-vapor separator 12 further includes a header 124, where the header 124 is disposed below the drain port 123 of the water-vapor separator 12 and is in communication with the drain line 13, and the header 124 is used for collecting the hot water separated by the water-vapor separator 12, and a pressure pump is mounted on a portion of the drain line 13 near the header 124.

In this embodiment, the header tank 124 is provided to collect the hot water separated by the water-vapor separator 12, so as to increase the hot water reserve, thereby improving the technical problem that the heating effect of the heating mechanism 1 on the collecting tank 5 is poor due to insufficient hot water reserve.

Meanwhile, the pressure pump is arranged, so that the gas in the drainage pipeline 13 can be pressurized, and further the hot water in the drainage pipeline 13 can flush the sewage in the collecting tank 5 in a flushing mode, so that the dilution speed of sticky or frozen waste in the collecting tank 5 is accelerated, and the sewage and dangerous waste water in the collecting tank 5 can be smoothly discharged.

In some embodiments, to keep the header tank 124 warm, an insulation layer is wrapped around the outer surface of the header tank 124.

In some embodiments, as shown in fig. 2, the heating mechanism 1 further includes a liquid separating plate 131 disposed at the water outlet of the water drain pipeline 13, the liquid separating plate 131 is provided with a plurality of through holes, and the hole depth direction of the through holes is parallel to the plate thickness of the liquid separating plate 131.

In this embodiment, by setting the liquid separating plate 131, hot water in the water draining pipeline 13 can be sprayed on different surfaces in the collecting tank 5 at the same time, so as to facilitate improving the technical problem that frozen sewage in the collecting tank 5 cannot be quickly ablated when local high-temperature flushing is performed.

In some embodiments, referring to fig. 1, in order to more reasonably arrange the relative positions of the above mechanisms, the heating device for a wastewater collection tank of the present utility model further comprises a frame 4 for mounting the heating mechanism 1, the sealing mechanism 2 and the air extraction mechanism 3.

Specifically, the frame body 4 includes a pipe mounting portion 41, a maintenance platform 42, a column 44, and a base 45, and the column 44 is connected to the pipe mounting portion 41, the maintenance platform 42, and the base 45 in this order from top to bottom. More specifically, the header tank 124 in the above is provided on the maintenance platform 42 in the present embodiment, and the drain pipe 13, the water-vapor separator 12, the exhaust pipe 32, and the suction pipe 31 are provided on the pipe mounting portion 41 in the present embodiment.

The beneficial effects of this embodiment lie in that locate the maintenance platform 42 below the pipeline installation department 41, make things convenient for the operating personnel to overhaul pipeline or other structures in the utility model on the maintenance platform 42. Further, by providing the pipe attachment portion 41, the pipe and the water-vapor separator 12 can be fixed.

Optionally, in order to facilitate the operator to mount the maintenance platform 42, the frame body 4 further includes a ladder stand 43 disposed between the upright post 44 and the base 45, the upper and lower ends of the ladder stand 43 are respectively connected to the upright post 44 and the base 45, and the top end of the ladder stand 43 is flush with the table top of the maintenance platform 42.

In some embodiments, in order to make the arrangement of various pipes on the frame 4 more reasonable, as shown in fig. 1, the upright 44 is hollow, and the steam pipe 11 is disposed inside the upright 44.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A heating device for a wastewater collection tank, comprising:

the heating mechanism comprises a steam pipeline, a water-vapor separator and a drainage pipeline which are sequentially communicated;

the sealing mechanism comprises a sealing cover connected to the outlet end of the drainage pipeline, and a sealing connecting piece capable of being in sealing butt joint with the tank opening of the wastewater collection tank is arranged at the bottom of the sealing cover;

the air exhaust mechanism comprises an air exhaust pipeline and an exhaust pipeline, the air exhaust pipeline is arranged on the sealing cover, the air inlet end of the air exhaust pipeline protrudes out of the lower surface of the sealing cover, and the outlet end of the exhaust pipeline is communicated with the outlet end of the air exhaust pipeline through a three-way joint so as to guide the air in the exhaust pipeline and the air exhaust pipeline to the waste gas treatment equipment.

2. The heating device for a wastewater collection tank according to claim 1, wherein the sealing connection member comprises a connection part which is connected to the cover opening of the sealing cover in a sealing manner, the connection part is a cylinder, the lower end of the connection part can be sleeved at the tank opening of the wastewater collection tank, and the lower end of the connection part is sleeved with a tightening part.

3. The heating device for a wastewater collection tank according to claim 2, wherein the tightening part comprises an elastic rubber ring fitted over an outer peripheral surface of the connecting part.

4. A heating device for a wastewater collection tank as claimed in claim 3, wherein a one-way valve is arranged at a position of the pumping pipeline close to the three-way joint.

5. The heating device for a wastewater collection tank according to claim 1, wherein the water-vapor separator further comprises a header tank provided below a water outlet of the water-vapor separator and communicated with the water discharge line, the header tank being for collecting hot water separated by the water-vapor separator, and a pressure pump being provided on the water discharge line.

6. The heating device for a wastewater collection tank of claim 5, wherein an outer surface of the header tank is covered with a heat insulating layer.

7. The heating device for a wastewater collection tank according to claim 1, wherein the heating mechanism further comprises a liquid separation plate provided at a water outlet of the water discharge pipeline, the liquid separation plate is provided with a plurality of through holes, and a depth direction of each through hole is parallel to a plate thickness of the liquid separation plate.

8. The heating device for a wastewater collection tank according to claim 6, further comprising a frame body, wherein the frame body comprises a pipeline installation part, a maintenance platform, a stand column and a base, the stand column is sequentially connected with the pipeline installation part, the maintenance platform and the base from top to bottom, the air suction pipeline, the air exhaust pipeline, the water drainage pipeline and the water vapor separator are all arranged on the pipeline installation part, the liquid collection tank is arranged on the maintenance platform, and the base is used for fixing the stand column.

9. The heating device for a wastewater collection tank of claim 8, wherein the frame further comprises a ladder disposed between the upright and the base, and upper and lower ends of the ladder are respectively connected to the maintenance platform and the base.

10. The heating device for a wastewater collection tank of claim 8, wherein the column is hollow and the steam line is provided inside the column.