CN210125209U - Waste water separating device of vacuum belt dehydrator - Google Patents
Waste water separating device of vacuum belt dehydrator Download PDFInfo
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- CN210125209U CN210125209U CN201920309329.4U CN201920309329U CN210125209U CN 210125209 U CN210125209 U CN 210125209U CN 201920309329 U CN201920309329 U CN 201920309329U CN 210125209 U CN210125209 U CN 210125209U
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Abstract
The utility model aims at providing a vacuum belt hydroextractor effluent separation plant, include: vacuum belt hydroextractor, first vacuum tank, second vacuum tank, filtrating house steward, corrosion-resistant baffle, gypsum slurry advance the pipe, filter cake wash water pipe, filter cake washing terminals, first vapour and liquid separator, first drain pipe, filtrate jar, waste water stand-off, second vapour and liquid separator, waste water collecting box and drain pipe, its characterized in that: the filtrate main pipe is arranged at the lower end of the first vacuum groove of the vacuum belt dehydrator, the filtrate main pipe is communicated with the first vacuum groove of the vacuum belt dehydrator, the corrosion-resistant partition plate is arranged in the vacuum belt dehydrator, and the corrosion-resistant partition plate is mutually inserted into the vacuum groove of the vacuum belt dehydrator. The utility model discloses can separate the waste water of high concentration and draw forth before mixing with low concentration waste water, discharge follow-up effluent disposal system to reduce the production volume that reduces waste water swirler supernatant even by a wide margin, and then reduce the production working costs.
Description
Technical Field
The utility model relates to a desulfurization technical field especially relates to vacuum belt hydroextractor effluent separation plant.
Background
Currently, in a desulfurization system, gypsum slurry is fed into a gypsum hydrocyclone station for concentration, and the concentrated gypsum slurry enters a vacuum belt dehydrator. One part of overflow slurry from the gypsum water conservancy cyclone station returns to a desulfurization system for recycling, and the other part of overflow slurry enters a wastewater cyclone; the bottom flow of the wastewater cyclone returns to the desulfurization system for recycling, and the supernatant enters a wastewater collecting tank, is flocculated and clarified and then enters a subsequent wastewater treatment system. The gypsum slurry is uniformly dispersed on the surface of the filter cloth of the vacuum belt dehydrator under the action of the slurry distributor. The surface of the belt of the vacuum belt dehydrator is covered with filter cloth, the filter cloth is supported by a porous belt, a vacuum groove is fixedly arranged below the belt, and the solid-liquid separation is realized by utilizing the negative pressure generated by the vacuum pump in the vacuum groove. The gypsum slurry entering the vacuum belt dehydrator is dehydrated and leached and then is sent to a gypsum storage room for storage and comprehensive utilization, and water in the gypsum slurry is converged with water generated by gypsum leaching and belt flushing regeneration and then returns to the desulfurization system for recycling.
In order to discharge a certain amount of waste water for the concentration of chloride ions in slurry in a desulfurization system, the prior art discharges the waste water from a waste water cyclone, and the waste water is comprehensively utilized or discharged after being treated to meet the standard. The concentration of suspended matters in the supernatant of the wastewater cyclone usually reaches more than 10000mg/l, the addition amount of a medicament for treating the wastewater is large, the amount of generated sludge is large, and the operation and treatment cost is high. The content of suspended matters in the wastewater generated in the vacuum belt dehydrator is low (the content of chloride ions is high), and the suspended matters are mixed with other water sources (gypsum leaching and belt flushing regeneration) and then return to a desulfurization system for recycling, so that the problems of high treatment capacity and high cost of the supernatant of the wastewater cyclone are caused.
There is therefore a need for a vacuum belt dehydrator waste water separation apparatus that can solve the above problems.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims at providing a vacuum belt hydroextractor waste water separator can separate the waste water of high concentration before mixing with low concentration waste water, the utility model discloses vacuum tank under the vacuum belt reforms transform, adds and is equipped with corrosion-resistant baffle, will carry out physical isolation and independent collection with subsequent gypsum sparge water through the waste water behind the filter cloth, the utility model discloses draw the waste water after collecting alone to system such as supporting vapour and liquid separator, vacuum exhaust tube, waste water collecting box draws the waste water and puts into subsequent waste water treatment system side by side, thereby reduces the production volume of eliminating waste water swirler supernatant even by a wide margin, and then reduces production working costs.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: vacuum belt hydroextractor effluent separation plant includes: vacuum belt hydroextractor, first vacuum tank, second vacuum tank, filtrating house steward, corrosion-resistant baffle, gypsum slurry advance the pipe, filter cake wash water pipe, filter cake washing terminals, first vapour and liquid separator, first drain pipe, filtrate jar, waste water stand-off, second vapour and liquid separator, waste water collecting box and drain pipe, its characterized in that: the corrosion-resistant baffle is arranged in the vacuum groove of the vacuum belt dehydrator, the corrosion-resistant baffle divides the vacuum groove in the vacuum belt dehydrator into a first vacuum groove and a second vacuum groove, the first vacuum groove and the second vacuum groove are not communicated, the filtrate header pipe is arranged at the lower end of the first vacuum groove of the vacuum belt dehydrator, the filtrate header pipe is communicated with the first vacuum groove of the vacuum belt dehydrator, the first gas-liquid separator is arranged at one side of the filtrate header pipe and is communicated with the first vacuum groove through the filtrate header pipe, the filtrate tank is arranged at the lower end of the gas-liquid separator, the filtrate tank is communicated with the gas-liquid separator through a first liquid outlet pipe, the gypsum slurry inlet pipe and the filter cake flushing water pipe are vertically arranged at the upper end of the vacuum belt dehydrator, and the wastewater outlet pipe is arranged at the lower end of the second vacuum groove of the belt dehydrator, the second gas-liquid separator is arranged on one side of the wastewater eduction tube, the second gas-liquid separator is communicated with the second vacuum groove through the wastewater eduction tube, the wastewater collection box is arranged at the lower end of the second gas-liquid separator, and the second gas-liquid separator is communicated with the wastewater collection box through a drain pipe.
Furthermore, the upper end of the first gas-liquid separator is connected with a first vacuum extraction pipe, and the upper end of the second gas-liquid separator is connected with a second vacuum extraction pipe.
Further, a filter cake flushing nozzle is installed at the lower end of the filter cake flushing water pipe.
The utility model has the advantages that: the utility model provides a vacuum belt hydroextractor waste water separator, the utility model discloses with being equipped with corrosion-resistant baffle, can carry out the physics with waste water after passing through the filter cloth and subsequent gypsum sparge water and keep apart, the utility model provides a suspended solid concentration in the present waste water swirler supernatant reaches more than 10000mg/l usually, and it is big to handle this waste water medicament addition, and the mud volume that produces simultaneously is great, the high problem of operation treatment cost, the utility model discloses a vacuum tank to vacuum belt hydroextractor lower part is reformed transform and is supporting have filtrate jar and vapour and liquid separator, can separate the waste water of high concentration before mixing with low concentration waste water, discharges waste water treatment system to reduce the production volume of eliminating waste water swirler supernatant even by a wide margin, and then reduce production working costs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Wherein:
1-vacuum belt dewatering machine; 2-filtrate header pipe; 3-corrosion resistant partition board;
4-feeding gypsum slurry into a pipe; 5-washing the water pipe with filter cake; 6-filter cake flushing nozzle;
7-a first gas-liquid separator; 8-a flexible joint; 9-a first vacuum exhaust tube;
10-a first liquid outlet pipe; 11-a filtrate tank; 12-a wastewater outlet pipe;
13-a second gas-liquid separator; 14-a second vacuum exhaust tube; 15-a wastewater collection tank;
16-a drain pipe; 17-filter cloth flushing water pipe; 18-filter cloth flushing water pump
19-first vacuum tank 20-second vacuum tank
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
fig. 1 is the structure diagram of the utility model, the vacuum belt dewaterer wastewater separation device shown in fig. 1 comprises: vacuum belt hydroextractor 1, filtrate header 2, corrosion-resistant baffle 3, gypsum slurry advance pipe 4, filter cake wash water pipe 5, filter cake washing spray head 6, vapour and liquid separator 7, flexible joint 8, first vacuum exhaust tube 9, first drain pipe 10, filtrate jar 11, waste water eduction tube 12, second vapour and liquid separator 13, second vacuum exhaust tube 14, waste water collecting box 15, drain pipe 16, filter cloth wash water pipe 17 filter cloth wash water pump 18, first vacuum tank 19, second vacuum tank 20, filtrate header 2 sets up the lower extreme at the first vacuum tank 19 of vacuum belt hydroextractor, filtrate header 2 with the first vacuum tank 19 of vacuum belt hydroextractor 1 communicates each other, corrosion-resistant baffle 3 sets up the inside of vacuum belt hydroextractor 1, corrosion-resistant baffle 3 with the vacuum tank of fixed mounting pegs graft each other on the vacuum belt hydroextractor 1, the vacuum tank is separated into a first vacuum tank 19 and a second vacuum tank 20, the corrosion-resistant partition plate 3 can physically separate the waste water passing through the filter cloth from the subsequent gypsum flushing water, the gypsum slurry inlet pipe 4 and the filter cake flushing water pipe 5 are both arranged at the upper end of the vacuum belt dehydrator 1, the first gas-liquid separator 7 is arranged at one side of the filtrate header pipe 2, the filtrate tank 11 is arranged at the lower end of the first gas-liquid separator 7, the second gas-liquid separator 13 is communicated with the second vacuum tank 20 of the vacuum belt dehydrator through a waste water outlet pipe 12, the second gas-liquid separator 13 can discharge the collected high-concentration waste water into a waste water collecting tank 15 through a drain pipe 16 and discharge the waste water into a waste water treatment system, the waste water outlet pipe 12 is arranged at the lower end of the second vacuum tank of the vacuum belt dehydrator, and the waste water outlet pipe 12 is not directly communicated with the filtrate header pipe 2, the second gas-liquid separator 13 is arranged on one side of the wastewater outlet pipe 12, the second gas-liquid separator 13 is communicated with the wastewater outlet pipe 12, the wastewater collection box 15 is arranged at the lower end of the second gas-liquid separator 13, and the second gas-liquid separator 13 is communicated with the wastewater collection box 15 through a drain pipe 16.
The working mode is as follows: the utility model provides a vacuum belt dehydrator wastewater separation device, which is characterized in that when in operation, concentrated gypsum slurry enters a vacuum belt dehydrator through a gypsum slurry inlet pipe, the gypsum slurry is uniformly dispersed on the surface of a filter cloth of the vacuum belt dehydrator, a gypsum filter cake is intercepted by the filter cloth, filtrate is collected through the filter cloth, after the gypsum filter cake intercepted on the filter cloth is washed by a filter cake washing nozzle, washing water enters a filtrate header pipe at the lower part of the vacuum belt dehydrator, the utility model is provided with a corrosion-resistant baffle plate inside the vacuum belt dehydrator, can physically isolate the wastewater passing through the filter cloth from subsequent gypsum washing water, solves the problems of higher concentration of suspended matters in the supernatant of the prior wastewater cyclone, large addition amount of chemicals for treating the wastewater, large amount of sludge generated at the same time and high operation treatment cost, after the wastewater passes through the vacuum belt dehydrator, a part of filtrate (filter cake flushing water and filter cloth flushing water) enters the first gas-liquid separator through the filtrate header pipe for gas-liquid separation treatment, the filtrate after the first gas-liquid separation enters the filtrate tank for collection and recycling, the other part of filtrate, namely the wastewater, enters the second gas-liquid separator through the wastewater lead-out pipe for gas-liquid separation, the wastewater after the gas-liquid separation treatment enters the wastewater collection tank for collection, and the wastewater after the gas-liquid separation treatment is discharged into a subsequent wastewater treatment system for advanced treatment.
The utility model adds the corrosion-resistant clapboard in the vacuum groove under the vacuum belt, and physically isolates the waste water (filtrate) after passing through the filter cloth from the subsequent gypsum flushing water, the corrosion-resistant clapboard can be a high-tightness backing plate formed by expanding polytetrafluoroethylene, and the corrosion-resistant clapboard has extremely strong chemical corrosion resistance; have fine pliability, compression resilience, high low temperature resistance, non-ageing nature, self-lubricity, can effectually carry out the physics with waste water after passing through the filter cloth and subsequent gypsum sparge water and keep apart, the utility model discloses reform transform the device of vacuum belt dehydrator lower part, set up dedicated waste water separator and header tank to collect the waste water of the high concentration in the gypsum slurry, draw forth waste water to second water gas separator alone, water flows to waste water collection box after, sends into follow-up desulfurization effluent disposal system, thereby has reduced the suspended solid content in the waste water by a wide margin, and then has reduced the addition of medicament and solid waste's production volume.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. Vacuum belt hydroextractor effluent separation plant includes: vacuum belt hydroextractor, first vacuum tank, second vacuum tank, filtrating house steward, corrosion-resistant baffle, gypsum slurry advance the pipe, filter cake wash water pipe, filter cake washing terminals, first vapour and liquid separator, first drain pipe, filtrate jar, waste water stand-off, second vapour and liquid separator, waste water collecting box and drain pipe, its characterized in that: the corrosion-resistant baffle is arranged in the vacuum groove of the vacuum belt dehydrator, the corrosion-resistant baffle divides the vacuum groove in the vacuum belt dehydrator into a first vacuum groove and a second vacuum groove, the first vacuum groove and the second vacuum groove are not communicated, the filtrate header pipe is arranged at the lower end of the first vacuum groove of the vacuum belt dehydrator, the filtrate header pipe is communicated with the first vacuum groove of the vacuum belt dehydrator, the first gas-liquid separator is arranged at one side of the filtrate header pipe and is communicated with the first vacuum groove through the filtrate header pipe, the filtrate tank is arranged at the lower end of the gas-liquid separator, the filtrate tank is communicated with the gas-liquid separator through a first liquid outlet pipe, the gypsum slurry inlet pipe and the filter cake flushing water pipe are vertically arranged at the upper end of the vacuum belt dehydrator, and the wastewater outlet pipe is arranged at the lower end of the second vacuum groove of the belt dehydrator, the second gas-liquid separator is arranged on one side of the wastewater eduction tube, the second gas-liquid separator is communicated with the second vacuum groove through the wastewater eduction tube, the wastewater collection box is arranged at the lower end of the second gas-liquid separator, and the second gas-liquid separator is communicated with the wastewater collection box through a drain pipe.
2. The wastewater separation apparatus of a vacuum belt dehydrator of claim 1, wherein: the upper end of the first gas-liquid separator is connected with a first vacuum extraction pipe, and the upper end of the second gas-liquid separator is connected with a second vacuum extraction pipe.
3. The wastewater separation apparatus of a vacuum belt dehydrator of claim 1, wherein: and a filter cake flushing nozzle is arranged at the lower end of the filter cake flushing water pipe.
4. The wastewater separation apparatus of a vacuum belt dehydrator of claim 1, wherein: the filtrate main pipe is not directly communicated with the wastewater outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920309329.4U CN210125209U (en) | 2019-03-12 | 2019-03-12 | Waste water separating device of vacuum belt dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920309329.4U CN210125209U (en) | 2019-03-12 | 2019-03-12 | Waste water separating device of vacuum belt dehydrator |
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| Publication Number | Publication Date |
|---|---|
| CN210125209U true CN210125209U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920309329.4U Active CN210125209U (en) | 2019-03-12 | 2019-03-12 | Waste water separating device of vacuum belt dehydrator |
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| Country | Link |
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| CN (1) | CN210125209U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659661A (en) * | 2020-06-15 | 2020-09-15 | 中国计量大学 | Efficient water-saving gypsum chloride ion control system and method |
| CN111847494A (en) * | 2020-07-31 | 2020-10-30 | 孙晋麟 | Solid waste reduction and gypsum dechlorination combined treatment device in desulfurization wastewater |
-
2019
- 2019-03-12 CN CN201920309329.4U patent/CN210125209U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659661A (en) * | 2020-06-15 | 2020-09-15 | 中国计量大学 | Efficient water-saving gypsum chloride ion control system and method |
| CN111847494A (en) * | 2020-07-31 | 2020-10-30 | 孙晋麟 | Solid waste reduction and gypsum dechlorination combined treatment device in desulfurization wastewater |
| CN111847494B (en) * | 2020-07-31 | 2024-04-26 | 孙晋麟 | Combined treatment device for reducing solid waste in desulfurization wastewater and dechlorinating gypsum |
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