CN205152699U - Pulping and paper -making alkali recovery system - Google Patents
Pulping and paper -making alkali recovery system Download PDFInfo
- Publication number
- CN205152699U CN205152699U CN201520901024.4U CN201520901024U CN205152699U CN 205152699 U CN205152699 U CN 205152699U CN 201520901024 U CN201520901024 U CN 201520901024U CN 205152699 U CN205152699 U CN 205152699U
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- Prior art keywords
- pipeline
- port
- tower
- heat exchanger
- pulping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model belongs to the technical field of pulping and paper -making. This pulping and paper -making alkali recovery system, it includes: monosulfide entrapment tower, it is through the pipeline foul smell after the burning of collecting in the torch, a white cistern, a port of this white cistern pass through the pipeline with sulphide entrapment tower connect, another port of this white cistern pass through the pipeline with sulphide entrapment tower connect, a lye pump, this lye pump pass through the pipeline and are connected with white cistern, a heat exchanger, this heat exchanger's first port passes through the pipeline and is connected with the lye pump, this heat exchanger's second port pass through the pipeline with sulphide entrapment tower connect, this heat exchanger's third port is connected with sending warm rinse tank through the pipeline, this heat exchanger's fourth port passes through the pipeline and is connected with cooling water generating device. The utility model discloses a recovery system carries out displacement reaction through the foul smell after utilizing naoh to the torch burning, retrieves the sulphide in the foul smell to reach reducing pollutants, cost -effective mesh.
Description
Technical field
The utility model relates to pulp and paper technology field, particularly relates to a kind of pulping and paper-making chemical recovery system.
Background technology
Pulping and papermaking industry is very large on the impact of environmental protection, in the flow process of pulping and papermaking industry, the mode process of current evaporation foul smell (foul smell namely after torch burning) direct high altitude discharge after generally adopting burning, wherein, containing a large amount of unburned hydrogen sulfide, oxysulfide, organic sulfide in foul smell, very large pollution can be caused to environment.Very large impact and puzzlement are brought on the resident around Pulp And Papermaking Mill.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide a kind of pulping and paper-making chemical recovery system, and the foul smell after the recyclable torch burning of this pulping and paper-making chemical recovery system, has the features such as energy-conserving and environment-protective.
The purpose of this utility model is achieved through the following technical solutions:
A kind of pulping and paper-making chemical recovery system, comprising:
Monosulfide trapping tower, described sulfide trapping tower collects the foul smell after from burning in torch by pipeline;
One white liquid bath, a port of described white liquid bath traps tower by pipeline and described sulfide and is connected; Another port of described white liquid bath traps tower by pipeline and described sulfide and is connected;
One lye pump, described lye pump is connected with white liquid bath by pipeline;
One heat exchanger, the first port of described heat exchanger is connected with lye pump by pipeline; Second port of described heat exchanger traps tower by pipeline and described sulfide and is connected; 3rd port of described heat exchanger is connected with sending warm water tank by pipeline; 4th port of described heat exchanger is connected with cooling water generating means by pipeline.
By above-mentioned the technical solution of the utility model, pulping and paper-making chemical recovery system of the present utility model, for the foul smell after burning in torch, is effectively collected and processes, and reclaims the heat after foul smell burning simultaneously, reduces the loss of the energy.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment structural representation of the utility model pulping and paper-making chemical recovery system;
Fig. 2 is a kind of embodiment structural representation of sulfide of the present utility model trapping tower.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail;
As shown in Figure 1, a kind of pulping and paper-making chemical recovery system, for the foul smell reclaiming clean process in papermaking.This pulping and paper-making chemical recovery system comprises: a foul smell collecting hood 6, and monosulfide trapping white liquid bath 2, lye pump 3, heat exchanger 4 of tower 1, one and explosion-proof fan 5, connected by pipeline between these devices.Connection herein, is namely connected by pipeline or port is connected with pipeline and connection between port with port has the meaning be communicated with.
As depicted in figs. 1 and 2, wherein, described sulfide trapping tower 1 collects the foul smell after from burning in torch 7 by pipeline.Described foul smell collecting hood 6 is located at torch 7 and sulfide traps between tower 1.Foul smell in torch 7 after burning is first collected by foul smell collecting hood 6, is then entered in sulfide trapping tower 1 by the port one 4 be located on sulfide trapping tower 1 tower body.
A port of described white liquid bath 2 traps tower 1 by pipeline and described sulfide and is connected.Port one 5 on sulfide trapping tower 1 tower body is connected with a port of white liquid bath 2.Now, gas, liquid and solidfied material in sulfide trapping tower 1 are entered in white liquid bath 2 by the port of multiple pipeline through white liquid bath 2.
Another port of described white liquid bath 2 traps tower 1 by pipeline and described sulfide and is connected.Port one 3 on sulfide trapping tower 1 tower body is connected with another port of white liquid bath 2.Now, the gas in white liquid bath 2 is back in sulfide trapping tower 1 by pipeline and port one 3.
Meanwhile, described white liquid bath 2 is also provided with the 3rd port, evaporation is carried out strong white liquor and is entered in white liquid bath 2 by pipeline and the 3rd port.
Described lye pump 3 is connected with white liquid bath 2 by pipeline.
First port of described heat exchanger 4 is connected with lye pump 2 by pipeline, and namely the first port of heat exchanger 4 is connected by the outlet of pipeline with lye pump 2.
Second port of described heat exchanger 4 traps tower 1 by pipeline and described sulfide and is connected.Port one 2 on sulfide trapping tower 1 tower body is connected with the second port of heat exchanger 4.Now, the high-temperature gas in heat exchanger 4 is entered in sulfide trapping tower 1 by pipeline and port one 2.
3rd port of described heat exchanger 4 is connected with sending warm water tank by pipeline.
4th port of described heat exchanger 4 is connected with cooling water generating means by pipeline.
Wherein, the top port 11 that described explosion-proof fan 5 traps tower 1 by pipeline and described sulfide is connected, and the top port 11 of described sulfide trapping tower 1 is connected with the pipeline of shower water.
As shown in Figure 2, described sulfide trapping tower comprises tower body, and the inside of described tower body is isolated into the multiple cavitys be interconnected.Preferably, the tower body of described sulfide trapping tower is provided with six from the top to the bottom successively and is isolated and the cavity 81,82,83,84,85 and 86 be interconnected.Wherein six cavitys 81,82,83,84, be provided with dividing plate 16 between 85 and 86.The same side is located at by cavity 81, dividing plate 16 between 82 and 83, and the passage namely between cavity is in side.Cavity 83,84, dividing plate between 85 and 86 is oppositely arranged, even if cavity 83,84, passage between 85 and 86 becomes cross-like.
Wherein, port one 1 is located at the outside top of cavity 81.Port one 2 is located at the outside side of cavity 82.Port one 3 is located at the outside side of cavity 84.Port one 4,15 is located at the outside side of cavity 86, and port one 4 is located at the top of port one 5.
By above-mentioned the technical solution of the utility model, pulping and paper-making chemical recovery system of the present utility model is for the foul smell after burning in torch 7, sulfide trapping tower 1 is entered by foul smell collecting hood 6, react with strong white liquor convective exchange in sulfide trapping tower 1, sulfide is become sulfate, reacted gas is drawn out of at trapping tower 1 top by explosion-proof fan 5, directly discharges after separator.The heat of the foul smell after burning is also absorbed by white liquid simultaneously, utilizes heat exchanger 4 and clear water to exchange, reaches the object reclaiming heat energy.
The technical solution of the utility model has following technique effect:
1, the investment of this cover system is little, and treatment effect is obvious.Through five in one gas-detecting device on-line checkingi sulfide trapping tower entrance concentration more than 500ppm (maximum range is 500ppm), exit concentration is 25ppm, and sulfide clearance is more than 95%.
2, can sulfide be reclaimed, reduce sodium sulphate magnitude of recruitment, cost-saving.
3, reduce foul smell discharge capacity, reduce the pollution to environment and nearby residents.
4, reclaim the heat after foul smell burning, reduce the loss of the energy.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (5)
1. a pulping and paper-making chemical recovery system, is characterized in that, comprising:
Monosulfide trapping tower, described sulfide trapping tower collects the foul smell after from burning in torch by pipeline;
One white liquid bath, a port of described white liquid bath traps tower by pipeline and described sulfide and is connected; Another port of described white liquid bath traps tower by pipeline and described sulfide and is connected;
One lye pump, described lye pump is connected with white liquid bath by pipeline;
One heat exchanger, the first port of described heat exchanger is connected with lye pump by pipeline; Second port of described heat exchanger traps tower by pipeline and described sulfide and is connected; 3rd port of described heat exchanger is connected with sending warm water tank by pipeline; 4th port of described heat exchanger is connected with cooling water generating means by pipeline.
2. pulping and paper-making chemical recovery system according to claim 1, it is characterized in that, also comprise explosion-proof fan, the top port that described explosion-proof fan traps tower by pipeline and described sulfide is connected, and the described sulfide trapping top port of tower is connected with the pipeline of shower water.
3. pulping and paper-making chemical recovery system according to claim 1, is characterized in that, also comprises foul smell collecting hood, and described foul smell collecting hood is located at torch and sulfide traps between tower.
4. the pulping and paper-making chemical recovery system according to claim 1,2 or 3, is characterized in that, described sulfide trapping tower comprises tower body, and the inside of described tower body is isolated into the multiple cavitys be interconnected.
5. pulping and paper-making chemical recovery system according to claim 4, is characterized in that, the tower body of described sulfide trapping tower is provided with six from the top to the bottom successively and is isolated and the cavity be interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901024.4U CN205152699U (en) | 2015-11-10 | 2015-11-10 | Pulping and paper -making alkali recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901024.4U CN205152699U (en) | 2015-11-10 | 2015-11-10 | Pulping and paper -making alkali recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205152699U true CN205152699U (en) | 2016-04-13 |
Family
ID=55688414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520901024.4U Expired - Fee Related CN205152699U (en) | 2015-11-10 | 2015-11-10 | Pulping and paper -making alkali recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205152699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893652A (en) * | 2021-09-27 | 2022-01-07 | 四川永丰浆纸股份有限公司 | System and method for treating odor of spraying pot |
-
2015
- 2015-11-10 CN CN201520901024.4U patent/CN205152699U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893652A (en) * | 2021-09-27 | 2022-01-07 | 四川永丰浆纸股份有限公司 | System and method for treating odor of spraying pot |
| CN113893652B (en) * | 2021-09-27 | 2024-01-19 | 四川永丰浆纸股份有限公司 | System and method for treating odor of spraying pot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20201110 |