CN114810569A - Control method for automatically following water consumption for pigsty waste gas treatment - Google Patents
Control method for automatically following water consumption for pigsty waste gas treatment Download PDFInfo
- Publication number
- CN114810569A CN114810569A CN202210401437.0A CN202210401437A CN114810569A CN 114810569 A CN114810569 A CN 114810569A CN 202210401437 A CN202210401437 A CN 202210401437A CN 114810569 A CN114810569 A CN 114810569A
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- China
- Prior art keywords
- water consumption
- gas treatment
- waste gas
- water pump
- frequency
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 239000002912 waste gas Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 26
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 3
- 239000011344 liquid material Substances 0.000 claims 3
- 239000002253 acid Substances 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000001877 deodorizing effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
- A61L9/145—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes air-liquid contact processes, e.g. scrubbing
Abstract
The invention relates to a control method for automatically following water consumption in pigsty waste gas treatment, which comprises a waste gas treatment controller and an environment controller, and is characterized in that: a wind speed sensor, a differential pressure sensor and a waste gas concentration sensor are arranged in a front cavity of a box body, a constant speed water pump is changed into a variable frequency water pump, a flowmeter and a pH value sensor are arranged on an outlet pipeline of the variable frequency water pump, and a waste gas treatment controller carries out control according to the following 5 steps. Compared with the prior art, the water consumption required by the pigsty ventilation is calculated through the actual ventilation of the pigsty, the frequency conversion pump works in an optimal state along with the water consumption, and the power consumption and the water consumption are reduced.
Description
Technical Field
The invention relates to a data processing method specially suitable for the purpose of controlling water consumption, in particular to a control method for automatically following water consumption in pigsty waste gas treatment.
Background
As shown in fig. 1, a typical conventional pigsty deodorizing device with an axial flow fan directly connected to a waste gas treatment tank mainly comprises a tank body 1, wherein the tank body 1 is communicated with a pigsty 100 through a high negative pressure axial flow fan 2 in summer, and the tank body 1 is communicated with the pigsty 100 through a trench axial flow fan 3 in winter; the box body 1 is communicated with the acid solution pool 200 through the water collecting layer 4, the waste gas treatment layer 5 divides the box body 1 into three parts to form a front cavity, a rear cavity and an upper cavity, the waste gas treatment controller controls the constant-speed water pump 6 to pump pickling solution out of the acid solution pool 200 and then spray the pickling solution out of the acid solution atomizing spray heads 7 arranged in the front cavity and the upper cavity, and waste gas is reacted with the pickling solution through the waste gas treatment layer 5 to remove odor and reach the rear cavity and then is discharged through the defogging layer 8.
However, in the prior art, after the deodorization device is started, the constant-speed water pump 6 continuously atomizes and sprays according to the set power, and does not change with the air volume of the high-negative-pressure axial flow fan 2 or the trench axial flow fan 3, and even if a defogging layer is arranged to prevent water mist from scattering into the atmosphere, the power consumption and water consumption are still huge, so that many enterprises are overwhelmed.
Disclosure of Invention
In order to overcome one of the defects or shortcomings of the prior art, the invention provides a control method for automatically following water consumption in pigsty waste gas treatment, which adopts the following technical scheme:
the utility model provides a control method that pig house exhaust-gas treatment water consumption was followed automatically, includes exhaust-gas treatment controller, environmental controller, its characterized in that: install wind speed sensor, differential pressure sensor in the front chamber of box, waste gas concentration sensor, the constant speed water pump changes into the frequency conversion water pump to install flowmeter, pH value sensor on the export pipeline of frequency conversion water pump, the exhaust-gas treatment controller is controlled according to following step:
firstly, acquiring running quantity data of a fan from an environment controller by a waste gas treatment controller, and acquiring an air pressure value transmitted from a negative pressure sensor and an air pressure value transmitted from a waste gas concentration sensor;
secondly, the exhaust gas treatment controller calculates the current ventilation quantity according to the running quantity of the fans and the negative pressure value;
thirdly, the exhaust gas treatment controller obtains an ammonia gas concentration value from the exhaust gas concentration sensor, obtains a solution concentration value from the pH value sensor, and calculates target water consumption according to the water consumption ventilation quantity, the ammonia gas concentration value and the solution concentration value;
fourthly, the waste gas treatment controller obtains water flow data from the flowmeter and calculates the current water consumption;
judging the relation between target water consumption and current water consumption by the waste gas treatment controller, and controlling the working frequency of the variable frequency water pump.
Compared with the prior art, the water consumption required by the pigsty ventilation is calculated through the actual ventilation of the pigsty, the frequency conversion pump works in an optimal state along with the water consumption, and the power consumption and the water consumption are reduced.
Drawings
Fig. 1 is a schematic view showing the construction of a conventional pigsty deodorizing apparatus.
Fig. 2 is a control flow chart of the exhaust treatment controller of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The utility model provides a control method that pig house exhaust-gas treatment water consumption was followed automatically, includes exhaust-gas treatment controller, environmental controller, at the ante-chamber installation wind speed sensor of box 1, differential pressure sensor, waste gas concentration sensor, constant speed water pump change into the frequency conversion water pump to install flowmeter, pH value sensor on the export pipeline of frequency conversion water pump, exhaust-gas treatment controller controls according to following step:
firstly, acquiring running quantity data of a fan from an environment controller by a waste gas treatment controller, and acquiring an air pressure value transmitted from a negative pressure sensor and an air pressure value transmitted from a waste gas concentration sensor;
secondly, the exhaust gas treatment controller calculates the current ventilation quantity according to the running quantity of the fans and the negative pressure value;
thirdly, the exhaust gas treatment controller obtains an ammonia concentration value from the exhaust gas concentration sensor and a solution concentration value from the pH value sensor, and calculates target water consumption according to the water consumption ventilation quantity, the ammonia concentration value and the solution concentration value;
fourthly, the waste gas treatment controller obtains water flow data from the flowmeter and calculates the current water consumption;
judging the relation between target water consumption and current water consumption by the waste gas treatment controller, and controlling the working frequency of the variable frequency water pump.
In the second step, the ventilation rate = the number of fans and the ventilation rate of a single fan and the negative pressure loss coefficient, wherein the negative pressure loss coefficient = the actual ventilation rate of the fan under a certain negative pressure/the ventilation rate when the negative pressure is 0.
In the third step, the water consumption = liquid-gas ratio ventilation ammonia concentration value/solution concentration value, wherein the liquid-gas ratio is the ratio of the solution used for treating the exhaust gas to the exhaust gas, and the value is 0.3 measured by experiments.
In the fifth step, if the current water consumption is less than the target water consumption, the waste gas treatment controller increases the analog output signal of the variable frequency water pump, the working frequency of the variable frequency water pump is increased, and then the relation between the target water consumption and the current water consumption is judged again; if the current water consumption is equal to the target water consumption, the waste gas treatment controller keeps the analog quantity output signal of the variable-frequency water pump, and the variable-frequency water pump keeps the current working frequency; if the current water consumption is larger than the target water consumption, the waste gas treatment controller reduces an analog quantity output signal of the variable-frequency water pump, the working frequency of the variable-frequency water pump is reduced, and then the relation between the target water consumption and the current water consumption is judged again.
Parts of the invention not referred to or described in detail are prior art or common general knowledge in the art.
Claims (4)
1. The utility model provides a control method that pig house exhaust-gas treatment water consumption was followed automatically, includes exhaust-gas treatment controller, environmental controller, its characterized in that: install wind speed sensor, differential pressure sensor in the front chamber of box (1), waste gas concentration sensor, the constant speed water pump changes into the frequency conversion water pump to install flowmeter, pH value sensor on the export pipeline of frequency conversion water pump, the exhaust-gas treatment controller is controlled according to following step:
firstly, acquiring running quantity data of a fan from an environment controller by a waste gas treatment controller, and acquiring an air pressure value transmitted from a negative pressure sensor and an air pressure value transmitted from a waste gas concentration sensor;
secondly, the exhaust gas treatment controller calculates the current ventilation quantity according to the running quantity of the fans and the negative pressure value;
thirdly, the exhaust gas treatment controller obtains an ammonia concentration value from the exhaust gas concentration sensor and a solution concentration value from the pH value sensor, and calculates target water consumption according to the water consumption ventilation quantity, the ammonia concentration value and the solution concentration value;
fourthly, the waste gas treatment controller obtains water flow data from the flowmeter and calculates the current water consumption;
judging the relation between target water consumption and current water consumption by the waste gas treatment controller, and controlling the working frequency of the variable frequency water pump.
2. The automatic control method for high-pressure cleaning of the liquid material pipeline according to claim 1, characterized in that: in the second step, the ventilation rate = the number of fans and the ventilation rate of a single fan and the negative pressure loss coefficient, wherein the negative pressure loss coefficient = the actual ventilation rate of the fan under a certain negative pressure/the ventilation rate when the negative pressure is 0.
3. The automatic control method for high-pressure cleaning of the liquid material pipeline according to claim 1, characterized in that: in the third step, the water consumption = liquid-gas ratio ventilation ammonia concentration value/solution concentration value, wherein the liquid-gas ratio is the ratio of the solution used for treating the exhaust gas to the exhaust gas, and the value is 0.3 measured by experiments.
4. The automatic control method for high-pressure cleaning of the liquid material pipeline according to claim 1, characterized in that: in the fifth step, if the current water consumption is less than the target water consumption, the waste gas treatment controller increases the analog output signal of the variable frequency water pump, the working frequency of the variable frequency water pump is increased, and then the relation between the target water consumption and the current water consumption is judged again; if the current water consumption is equal to the target water consumption, the waste gas treatment controller keeps an analog quantity output signal of the variable-frequency water pump, and the variable-frequency water pump keeps the current working frequency; if the current water consumption is larger than the target water consumption, the waste gas treatment controller reduces an analog quantity output signal of the variable-frequency water pump, the working frequency of the variable-frequency water pump is reduced, and then the relation between the target water consumption and the current water consumption is judged again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401437.0A CN114810569A (en) | 2022-04-18 | 2022-04-18 | Control method for automatically following water consumption for pigsty waste gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401437.0A CN114810569A (en) | 2022-04-18 | 2022-04-18 | Control method for automatically following water consumption for pigsty waste gas treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114810569A true CN114810569A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210401437.0A Pending CN114810569A (en) | 2022-04-18 | 2022-04-18 | Control method for automatically following water consumption for pigsty waste gas treatment |
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| CN (1) | CN114810569A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001145690A (en) * | 1999-11-19 | 2001-05-29 | Toshiba Corp | Ozone treatment system and method for controlling suction of waste ozone |
| CN102019142A (en) * | 2009-09-18 | 2011-04-20 | 三菱重工环境·化学工程株式会社 | Exhaust treatment method |
| CN106933279A (en) * | 2017-05-05 | 2017-07-07 | 安徽国农畜牧科技有限公司 | A kind of intelligent control system of pig house environment |
| CN107203239A (en) * | 2017-07-31 | 2017-09-26 | 东北农业大学 | A kind of closed livestock and poultry cultivation environment decoupling slowly-releasing regulation and control method |
| CN207626358U (en) * | 2017-12-21 | 2018-07-20 | 江西省惠大实业有限公司 | A kind of Ningchang decoction cultivation henhouse ammonia emission device |
| CN108816037A (en) * | 2018-07-04 | 2018-11-16 | 青岛大牧人机械股份有限公司 | A kind of microbe treatment system and processing method for farm's exhaust gas |
| CN109876606A (en) * | 2019-02-27 | 2019-06-14 | 温氏食品集团股份有限公司 | A kind of ammonia emission reduction device for pig house |
| CN110833034A (en) * | 2019-11-29 | 2020-02-25 | 东北农业大学 | Ammonia-removing air purification device in pickling water curtain type pigsty |
| CN112136711A (en) * | 2020-09-29 | 2020-12-29 | 大牧人机械(胶州)有限公司 | Delivery house integrated control method and system |
| CN112705022A (en) * | 2020-12-14 | 2021-04-27 | 华南农业大学 | Open-loop deodorization control method based on livestock and poultry house environment control mechanism |
-
2022
- 2022-04-18 CN CN202210401437.0A patent/CN114810569A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001145690A (en) * | 1999-11-19 | 2001-05-29 | Toshiba Corp | Ozone treatment system and method for controlling suction of waste ozone |
| CN102019142A (en) * | 2009-09-18 | 2011-04-20 | 三菱重工环境·化学工程株式会社 | Exhaust treatment method |
| CN106933279A (en) * | 2017-05-05 | 2017-07-07 | 安徽国农畜牧科技有限公司 | A kind of intelligent control system of pig house environment |
| CN107203239A (en) * | 2017-07-31 | 2017-09-26 | 东北农业大学 | A kind of closed livestock and poultry cultivation environment decoupling slowly-releasing regulation and control method |
| CN207626358U (en) * | 2017-12-21 | 2018-07-20 | 江西省惠大实业有限公司 | A kind of Ningchang decoction cultivation henhouse ammonia emission device |
| CN108816037A (en) * | 2018-07-04 | 2018-11-16 | 青岛大牧人机械股份有限公司 | A kind of microbe treatment system and processing method for farm's exhaust gas |
| CN109876606A (en) * | 2019-02-27 | 2019-06-14 | 温氏食品集团股份有限公司 | A kind of ammonia emission reduction device for pig house |
| CN110833034A (en) * | 2019-11-29 | 2020-02-25 | 东北农业大学 | Ammonia-removing air purification device in pickling water curtain type pigsty |
| CN112136711A (en) * | 2020-09-29 | 2020-12-29 | 大牧人机械(胶州)有限公司 | Delivery house integrated control method and system |
| CN112705022A (en) * | 2020-12-14 | 2021-04-27 | 华南农业大学 | Open-loop deodorization control method based on livestock and poultry house environment control mechanism |
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