CN217895414U - Sludge demercuration processing system - Google Patents

Sludge demercuration processing system Download PDF

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Publication number
CN217895414U
CN217895414U CN202222348828.9U CN202222348828U CN217895414U CN 217895414 U CN217895414 U CN 217895414U CN 202222348828 U CN202222348828 U CN 202222348828U CN 217895414 U CN217895414 U CN 217895414U
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China
Prior art keywords
cavity
demercuration
sludge
mixed liquid
liquid phase
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CN202222348828.9U
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Chinese (zh)
Inventor
杨启才
王希红
黄磊
李畅
李璐
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Guizhou Meiruite Environmental Protection Technology Co ltd
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Guizhou Meiruite Environmental Protection Technology Co ltd
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Abstract

The utility model provides a sludge demercuration treatment system, which comprises a primary mixed liquid phase cavity, a secondary beam demercuration cavity and a tertiary overflow demercuration cavity, wherein the primary mixed liquid phase cavity is provided with a sewage inlet, a filtering device and a mixing stirrer; the secondary beam demercuration cavity comprises a beam device and an air explosion device; the beam device comprises a beam straight cylinder, a spiral spray head and a conical dispersion plate; the beam straight cylinder is connected with the primary mixed liquid phase cavity through a pipeline and a 1# lift pump; the bottom of the secondary beam demercuration cavity is connected with a mercury collecting tank through a pipeline, and an overflow port is arranged above the mercury collecting tank and connected with the tertiary overflow demercuration cavity; the three-level overflow demercuration cavity is connected with a solid-liquid separator through a 2# circulating pump, the solid-liquid separator is connected with a water tank and a sludge tank, and the sludge tank is connected with the one-level mixed liquid phase cavity through a 3# lifting pump. The utility model discloses a closed low temperature environment demercuration reduces and touches dangerous and the environmental pollution of mercury.

Description

Sludge demercuration processing system
Technical Field
The utility model relates to a sludge treatment technical field, concretely relates to mud demercuration processing system.
Background
At present, mercury is extracted by adopting a high-temperature mercury pyrolysis mode aiming at extraction of mercury-containing sludge, however, mercury is easy to volatilize during high-temperature mercury removal, and once mercury vapor is leaked, environmental pollution and human harm are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mud demercuration processing system adopts closed low temperature environment demercuration, reduces and touches dangerous and the environmental pollution of mercury.
The technical scheme is as follows:
a sludge demercuration treatment system comprises a demercuration device and a solid-liquid separation device;
the demercuration device comprises a primary mixed liquid phase cavity, a secondary beam demercuration cavity and a tertiary overflow demercuration cavity, wherein the primary mixed liquid phase cavity is provided with a dirt inlet and a filtering device and is connected with the secondary beam demercuration cavity through a No. 1 lift pump; the secondary beam demercuration cavity is internally provided with a beam device and an air explosion device, the bottom of the secondary beam demercuration cavity is connected with a mercury collecting tank through a pipeline, and the upper part of the secondary beam demercuration cavity is provided with an overflow port connected with the tertiary overflow demercuration cavity; the three-stage overflow demercuration cavity is connected with a solid-liquid separation device through a 2# circulating pump, and the solid-liquid separation device is connected with the first-stage mixed liquid phase cavity through a 3# lifting pump.
The beam device comprises a beam straight cylinder, a spiral spray nozzle and a conical dispersion plate; the beam straight barrel is fixedly connected with the conical dispersion plate, and the spiral spray head is arranged between the conical dispersion plate and the beam straight barrel and is connected with the high-pressure water pipe; the beam straight cylinder is connected with a 1# lift pump through a pipeline.
The gas explosion device comprises an aeration pipe and an external gas generator which are paved in the secondary beam demercuration cavity.
The solid-liquid separation device comprises a solid-liquid separator, a water tank and a sludge tank which are connected with the solid-liquid separator, and the sludge tank is connected with the first-stage mixed liquid phase cavity through a 3# lifting pump.
The waste gas treatment device is connected with the primary mixed liquid phase cavity and the secondary beam demercuration cavity; the waste gas treatment device comprises a gas treatment device and a draught fan.
And a mixing stirrer is also arranged in the primary mixed liquid phase cavity.
The utility model has the advantages that:
1. and an integrated demercuration device is adopted, so that the occupied area of equipment is greatly reduced, and the integrated demercuration device is convenient to transport and operate.
2. The whole sludge demercuration treatment system operates at normal temperature and in a closed environment for demercuration, so that the risks of mercury vapor generation and volatilization are avoided;
3. high-pressure water columns are sprayed through spiral nozzles in the beam current device, so that mercury attached to particle suspended matters in sludge water is scattered, drops onto the conical dispersion plate and is scattered all around.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1, a sludge demercuration treatment system comprises a demercuration device and a solid-liquid separation device; the demercuration device comprises a primary mixed liquid phase cavity 1, a secondary beam demercuration cavity 2 and a tertiary overflow demercuration cavity 3, wherein the primary mixed liquid phase cavity 1 is provided with a dirt inlet 11, a filtering device 12 and a mixing stirrer 13; the secondary beam demercuration 2 cavity comprises a beam device and an air explosion device; the beam device comprises a beam straight cylinder 21, a spiral spray nozzle 22 and a conical dispersion plate 23; the beam straight cylinder 23 is fixedly connected with the conical dispersion plate 23, the spiral spray nozzle 22 is arranged between the conical dispersion plate 23 and the beam straight cylinder 21 and is connected with a high-pressure water pipe, and the beam straight cylinder 21 is connected with the primary mixed liquid phase cavity 1 through a pipeline and a 1# lift pump 41; the gas explosion device comprises an aerator pipe 24 and an external gas generator 25 which are laid in the secondary beam demercuration cavity; the bottom of the second-stage beam demercuration cavity 2 is connected with a mercury collecting tank 5 through a pipeline, and an overflow port 26 is arranged above the second-stage beam demercuration cavity and connected with the third-stage overflow demercuration cavity 3; the three-level overflow demercuration cavity 3 is connected with the solid-liquid separator 6 through a 2# circulating pump 42, the solid-liquid separator 6 is connected with a water tank 71 and a sludge box 72, and the sludge box 72 is connected with the first-level mixed liquid phase cavity 1 through a 3# lifting pump 43.
The sludge demercuration treatment system also comprises a waste gas treatment device which is connected with the primary mixed liquid phase cavity 1 and the secondary beam demercuration cavity 2; the exhaust gas treatment device includes a gas treatment device 81 and an induced draft fan 82.
Mercury-containing sludge enters from a dirt inlet 11 of a primary mixed liquid phase cavity 1 of a demercuration device, the sludge is filtered by a filtering device 12 to remove solid particles and then enters the primary mixed liquid phase cavity 1, the sludge is uniformly dispersed under the stirring of a mixing stirrer 13, the sludge is dispersed into a beam straight cylinder 21 of a beam device in a secondary beam demercuration cavity 2 through a pipeline and a # 1 lifting pump 41, the reverse high-speed water column of a spiral spray head 22 under the beam straight cylinder 21 is used for washing, the elemental mercury attached to particle suspended matters in the sludge water is dispersed and falls onto a conical dispersion plate 23 at the lower part, the mercury is dispersed into a secondary beam demercuration cavity 2 to the periphery, the particle suspended matters in the water float to the top of the secondary beam demercuration cavity 2 under the action of explosion of an aeration pipe 24 and then flow to a tertiary overflow demercuration cavity 3 from an overflow port 26, and the mercury is precipitated to the bottom of the secondary demercuration cavity 2 under the action of gravity due to the high density of the elemental mercury, and then flows to a mercury collecting tank 5 through a pipeline. For sludge water containing particle suspended matters overflowing from the three-stage overflow demercuration cavity 3, the sludge water passes through a No. 2 circulating pump 42 to the solid-liquid separator 6, separated water enters a water tank 71, and solid waste sludge enters a sludge tank 72; water in the water tank 71 can be circularly used in the primary mixed liquid phase cavity 1 and the secondary beam demercuration cavity 2 through pipelines; if a small amount of mercury still exists in the solid waste sludge in the sludge box 72, the solid waste sludge enters the primary mixed liquid phase cavity 1 through the 3# lifting pump 43, mercury is removed in a circulating mode again, and if the solid waste sludge reaches the discharge standard, the solid waste sludge is directly discharged from a drain outlet of the sludge box 72 for disposal.
And the waste gas generated in the primary mixed liquid phase cavity 1 and the secondary beam demercuration cavity 2 is treated by a gas treatment device 81 and a draught fan 82 and is discharged after reaching the standard.
It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.

Claims (6)

1. A sludge demercuration treatment system is characterized by comprising a demercuration device and a solid-liquid separation device;
the demercuration device comprises a primary mixed liquid phase cavity, a secondary beam demercuration cavity and a tertiary overflow demercuration cavity, wherein the primary mixed liquid phase cavity is provided with a dirt inlet and a filtering device and is connected with the secondary beam demercuration cavity through a No. 1 lift pump; the secondary beam demercuration cavity is internally provided with a beam device and an air explosion device, the bottom of the secondary beam demercuration cavity is connected with a mercury collecting tank through a pipeline, and the upper part of the secondary beam demercuration cavity is provided with an overflow port connected with the tertiary overflow demercuration cavity; the three-stage overflow demercuration cavity is connected with a solid-liquid separation device through a No. 2 circulating pump, and the solid-liquid separation device is connected with the one-stage mixed liquid cavity through a No. 3 lifting pump.
2. The sludge mercury removal treatment system as claimed in claim 1, wherein the beam device comprises a beam straight cylinder, a spiral spray nozzle and a conical dispersion plate; the beam straight barrel is fixedly connected with the conical dispersion plate, and the spiral spray head is arranged between the conical dispersion plate and the beam straight barrel and is connected with the high-pressure water pipe; the beam straight cylinder is connected with a 1# lift pump through a pipeline.
3. The system of claim 1, wherein the aeration device comprises an aeration pipe and an external gas generator, which are laid in the secondary beam demercuration cavity.
4. The sludge demercuration treatment system according to claim 1, wherein the solid-liquid separation device comprises a solid-liquid separator, a water tank and a sludge tank which are connected with the solid-liquid separator, and the sludge tank is connected with the primary mixed liquid phase cavity through a # 3 lift pump.
5. The sludge mercury removal treatment system according to claim 1, further comprising a waste gas treatment device connected with the primary mixed liquid phase cavity and the secondary beam mercury removal cavity; the waste gas treatment device comprises a gas treatment device and a draught fan.
6. The system of claim 1, wherein a mixer-agitator is further disposed in the primary mixed liquid phase chamber.
CN202222348828.9U 2022-09-05 2022-09-05 Sludge demercuration processing system Active CN217895414U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222348828.9U CN217895414U (en) 2022-09-05 2022-09-05 Sludge demercuration processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222348828.9U CN217895414U (en) 2022-09-05 2022-09-05 Sludge demercuration processing system

Publications (1)

Publication Number Publication Date
CN217895414U true CN217895414U (en) 2022-11-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222348828.9U Active CN217895414U (en) 2022-09-05 2022-09-05 Sludge demercuration processing system

Country Status (1)

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CN (1) CN217895414U (en)

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